FINALLY, the nq and qw renderers are merged. the view and particle subsystems

are not yet merged due to their dependence on the client, but that will come
soon.

configure.in

@@ -1536,6 +1536,9 @@ AC_OUTPUT(
 	libs/models/sprite/Makefile
 	libs/util/Makefile
 	libs/video/Makefile
+	libs/video/renderer/Makefile
+	libs/video/renderer/gl/Makefile
+	libs/video/renderer/sw/Makefile
 	libs/video/targets/Makefile
 
 	qw/Makefile

libs/video/Makefile.am

@@ -1,4 +1,4 @@
-SUBDIRS=	targets
+SUBDIRS=	renderer targets
 
 clean-local:
 	rm -f *.a

libs/video/renderer/.gitignore

@@ -0,0 +1,9 @@
+*.la
+*.lo
+.deps
+.libs
+.vimrc
+Makefile
+Makefile.in
+fbset_modes_y.[ch]
+fbset_modes_l.c

libs/video/renderer/Makefile.am

@@ -0,0 +1,30 @@
+SUBDIRS= gl sw
+INCLUDES= -I$(top_srcdir)/include
+
+if BUILD_GL
+RENDERER_GL = libQFrenderer_gl.la
+else
+RENDERER_GL =
+endif
+
+if BUILD_SW
+RENDERER_SW = libQFrenderer_sw.la
+else
+RENDERER_SW =
+endif
+
+lib_LTLIBRARIES = $(RENDERER_GL) $(RENDERER_SW)
+
+common_SOURCES = r_cvar.c r_efrag.c r_ent.c r_graph.c r_main.c
+
+libQFrenderer_gl_la_LDFLAGS = -version-info 1:0:0
+libQFrenderer_gl_la_LIBADD = gl/libgl.la
+libQFrenderer_gl_la_SOURCES = $(common_SOURCES)
+libQFrenderer_gl_la_DEPENDENCIES = gl/libgl.la
+
+libQFrenderer_sw_la_LDFLAGS = -version-info 1:0:0
+libQFrenderer_sw_la_LIBADD = sw/libsw.la
+libQFrenderer_sw_la_SOURCES = $(common_SOURCES)
+libQFrenderer_sw_la_DEPENDENCIES = sw/libsw.la
+
+LIBLIST = libQFrenderer_gl.la libQFrenderer_sw.la

libs/video/renderer/gl/.gitignore

@@ -0,0 +1,9 @@
+*.la
+*.lo
+.deps
+.libs
+.vimrc
+Makefile
+Makefile.in
+fbset_modes_y.[ch]
+fbset_modes_l.c

libs/video/renderer/gl/Makefile.am

@@ -0,0 +1,14 @@
+INCLUDES= -I$(top_srcdir)/include
+
+if BUILD_GL
+GL = libgl.la
+else
+GL =
+endif
+
+noinst_LTLIBRARIES = $(GL)
+
+libgl_la_LDFLAGS = -version-info 1:0:0
+libgl_la_SOURCES = gl_draw.c gl_dyn_fires.c gl_dyn_textures.c gl_graph.c \
+    gl_rlight.c gl_rmain.c gl_rmisc.c gl_rsurf.c gl_screen.c gl_skin.c \
+    gl_sky.c gl_sky_clip.c gl_textures.c gl_warp.c noisetextures.c

libs/video/renderer/gl/gl_screen.c

@@ -52,7 +52,6 @@
 #include "QF/tga.h"
 
 #include "glquake.h"
-#include "host.h"
 #include "r_cvar.h"
 #include "r_local.h"
 #include "sbar.h"
@@ -232,7 +231,7 @@ SCR_CheckDrawCenterString (int swap)
 	if (scr_center_lines > scr_erase_lines)
 		scr_erase_lines = scr_center_lines;
 
-	scr_centertime_off -= host_frametime;
+	scr_centertime_off -= r_frametime;
 
 	if (scr_centertime_off <= 0 && !r_force_fullscreen /*FIXME better test*/)
 		return;
@@ -400,7 +399,7 @@ SCR_DrawTurtle (int swap)
 	if (!scr_showturtle->int_val)
 		return;
 
-	if (host_frametime < 0.1) {
+	if (r_frametime < 0.1) {
 		count = 0;
 		return;
 	}
@@ -523,12 +522,12 @@ SCR_SetUpToDrawConsole (void)
 		scr_conlines = 0;				// none visible
 
 	if (scr_conlines < scr_con_current) {
-		scr_con_current -= scr_conspeed->value * host_frametime;
+		scr_con_current -= scr_conspeed->value * r_frametime;
 		if (scr_conlines > scr_con_current)
 			scr_con_current = scr_conlines;
 
 	} else if (scr_conlines > scr_con_current) {
-		scr_con_current += scr_conspeed->value * host_frametime;
+		scr_con_current += scr_conspeed->value * r_frametime;
 		if (scr_conlines < scr_con_current)
 			scr_con_current = scr_conlines;
 	}

libs/video/renderer/gl/noisetextures.c

@@ -0,0 +1,130 @@
+/*
+	noisetextures.c
+
+	Noise texture generators
+
+	noise_plasma
+	Copyright (C) 2001 Ragnvald `Despair` Maartmann-Moe IV.
+
+	noise_diamondsquare (originally fractalnoise)
+	Copyright (C) 2000 Forest `LordHavoc` Hale.
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+	See the GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+	$Id$
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#include <stdlib.h>
+
+#include "QF/mathlib.h"
+
+void
+noise_diamondsquare (unsigned char *noise, int size)
+{
+	int         x, y, g, g2, amplitude, min, max, size1 = size - 1;
+	int        *noisebuf;
+
+#define n(x,y) noisebuf[((y)&size1)*size+((x)&size1)]
+	noisebuf = calloc (size * size, sizeof (int));
+
+	amplitude = 32767;
+	g2 = size;
+	n (0, 0) = 0;
+	for (; (g = g2 >> 1) >= 1; g2 >>= 1) {
+		// subdivide, diamond-square algorythm (really this has little
+		// to do with squares)
+		// diamond
+		for (y = 0; y < size; y += g2)
+			for (x = 0; x < size; x += g2)
+				n (x + g, y + g) =
+					(n (x, y) + n (x + g2, y) + n (x, y + g2) +
+					 n (x + g2, y + g2)) >> 2;
+		// square
+		for (y = 0; y < size; y += g2)
+			for (x = 0; x < size; x += g2) {
+				n (x + g, y) =
+					(n (x, y) + n (x + g2, y) + n (x + g, y - g) +
+					 n (x + g, y + g)) >> 2;
+				n (x, y + g) =
+					(n (x, y) + n (x, y + g2) + n (x - g, y + g) +
+					 n (x + g, y + g)) >> 2;
+			}
+		// Brownian motion ( at every smaller level, random behavior )
+		amplitude >>= 1;
+		for (y = 0; y < size; y += g)
+			for (x = 0; x < size; x += g)
+				n (x, y) += (rand () & amplitude);
+	}
+	// find range of noise values
+	min = max = 0;
+	for (y = 0; y < size; y++)
+		for (x = 0; x < size; x++) {
+			if (n (x, y) < min)
+				min = n (x, y);
+			if (n (x, y) > max)
+				max = n (x, y);
+		}
+	max -= min;
+	// normalize noise and copy to output
+	for (y = 0; y < size; y++)
+		for (x = 0; x < size; x++)
+			*noise++ = (n (x, y) - min) * 255 / max;
+	free (noisebuf);
+	#undef n
+}
+
+
+void
+noise_plasma (unsigned char *noise, int size)
+{
+	int a, b, c, d, i, j, k;
+
+	if (128 >= size)
+		d = 64 / size;
+	else
+		d = -size / 64;
+
+	memset(noise, 128, sizeof (*noise));
+
+	for (i=size; i > 0; i/=2) {
+		for (j=0; j < size; j+=i) {
+			for (k=0; k < size; k+=i) {
+				if (d>=0)
+				        c = i * d;
+				else
+					c = -i / d;
+
+				c=lhrandom(-c, c);
+
+				for (a=j; a < j+i; a++)
+					for (b=k; b < k+i; b++)
+						noise[a*size+b] += c;
+			}
+		}
+	}
+}

libs/video/renderer/r_main.c

@@ -7,6 +7,7 @@ qboolean    r_inhibit_viewmodel;
 qboolean    r_force_fullscreen;
 qboolean    r_paused;
 double      r_realtime;
+double      r_frametime;
 dlight_t    r_dlights[MAX_DLIGHTS];
 entity_t   *r_view_model;
 entity_t   *r_player_entity;

libs/video/renderer/sw/.gitignore

@@ -0,0 +1,9 @@
+*.la
+*.lo
+.deps
+.libs
+.vimrc
+Makefile
+Makefile.in
+fbset_modes_y.[ch]
+fbset_modes_l.c

libs/video/renderer/sw/Makefile.am

@@ -0,0 +1,19 @@
+INCLUDES= -I$(top_srcdir)/include
+
+if BUILD_SW
+SW = libsw.la
+else
+SW =
+endif
+
+noinst_LTLIBRARIES = $(SW)
+
+libsw_la_LDFLAGS = -version-info 1:0:0
+libsw_la_SOURCES = d_edge.c d_fill.c d_init.c d_modech.c d_part.c d_polyse.c \
+    d_scan.c d_sky.c d_sprite.c d_surf.c d_vars.c d_zpoint.c draw.c screen.c \
+    sw_graph.c sw_raclip.c sw_ralias.c sw_rbsp.c sw_rdraw.c sw_redge.c \
+    sw_rlight.c sw_rmain.c sw_rmisc.c sw_rsky.c sw_rsprite.c sw_rsurf.c \
+    sw_skin.c \
+    d_draw.S d_draw16.S d_parta.S d_polysa.S d_scana.S d_spr8.S \
+    d_varsa.S surf16.S surf8.S sw_raclipa.S sw_raliasa.S sw_rdrawa.S \
+    sw_redgea.S sw_rvarsa.S

libs/video/renderer/sw/d_init.c

@@ -32,11 +32,11 @@
 
 #include "QF/compat.h"
 #include "QF/cvar.h"
+#include "QF/render.h"
 #include "QF/vid.h"
 
 #include "d_local.h"
 #include "r_cvar.h"
-#include "QF/render.h"
 
 #define NUM_MIPS	4
 

libs/video/renderer/sw/d_vars.c

@@ -32,7 +32,7 @@
 # include "config.h"
 #endif
 
-#include "host.h"
+#include "QF/qtypes.h"
 
 // all global and static refresh variables are collected in a contiguous block
 // to avoid cache conflicts.

libs/video/renderer/sw/draw.c

@@ -42,7 +42,6 @@
 #include "QF/sound.h"
 #include "QF/sys.h"
 
-#include "client.h"
 #include "d_iface.h"
 #include "r_cvar.h"
 

libs/video/renderer/sw/screen.c

@@ -1,5 +1,5 @@
 /*
-	gl_screen.c
+	screen.c
 
 	master for refresh, status bar, console, chat, notify, etc
 
@@ -44,15 +44,14 @@
 #include "QF/draw.h"
 #include "QF/keys.h"
 #include "QF/pcx.h"
-#include "QF/quakefs.h" // MAX_OSPATH
+#include "QF/quakefs.h"
-#include "QF/render.h"  // r_refdef
+#include "QF/render.h"
 #include "QF/screen.h"
 #include "QF/sys.h"
 #include "QF/texture.h"
-#include "QF/tga.h"
+#include "QF/vid.h"
 
-#include "glquake.h"
+#include "d_iface.h"
-#include "host.h"
 #include "r_cvar.h"
 #include "r_local.h"
 #include "sbar.h"
@@ -95,20 +94,16 @@ Con_Printf ();
 net 
 turn off messages option
 
-the refresh is allways rendered, unless the console is full screen
+the refresh is always rendered, unless the console is full screen
 
 
 console is:
 	notify lines
 	half
 	full
-	
-
 */
 
 
-int         glx, gly, glwidth, glheight;
-
 // only the refresh window will be updated unless these variables are flagged 
 int         scr_copytop;
 int         scr_copyeverything;
@@ -134,10 +129,12 @@ extern int  sb_lines;
 
 viddef_t    vid;						// global video state
 
+vrect_t    *pconupdate;
 vrect_t     scr_vrect;
 
 qboolean    scr_disabled_for_loading;
-float       scr_disabled_time;
+
+qboolean    scr_skipupdate;
 
 qboolean    block_drawing;
 
@@ -158,8 +155,8 @@ int         scr_erase_center;
 /*
 	SCR_CenterPrint
 
-	Called for important messages that should stay in the center of the screen
+	Called for important messages that should stay in the center of the
-	for a few moments
+	screen for a few moments
 */
 void
 SCR_CenterPrint (char *str)
@@ -188,7 +185,7 @@ SCR_DrawCenterString (void)
 	int         remaining;
 
 	// the finale prints the characters one at a time
-	if (r_force_fullscreen /*FIXME better test*/)
+	if (r_force_fullscreen /*FIXME*/)
 		remaining = scr_printspeed->value * (r_realtime - scr_centertime_start);
 	else
 		remaining = 9999;
@@ -232,9 +229,9 @@ SCR_CheckDrawCenterString (int swap)
 	if (scr_center_lines > scr_erase_lines)
 		scr_erase_lines = scr_center_lines;
 
-	scr_centertime_off -= host_frametime;
+	scr_centertime_off -= r_frametime;
 
-	if (scr_centertime_off <= 0 && !r_force_fullscreen /*FIXME better test*/)
+	if (scr_centertime_off <= 0 && !r_force_fullscreen /*FIXME*/)
 		return;
 	if (key_dest != key_game)
 		return;
@@ -243,6 +240,9 @@ SCR_CheckDrawCenterString (int swap)
 }
 
 
+//=============================================================================
+
+
 float
 CalcFov (float fov_x, float width, float height)
 {
@@ -271,6 +271,7 @@ CalcFov (float fov_x, float width, float height)
 static void
 SCR_CalcRefdef (void)
 {
+	vrect_t     vrect;
 	float       size;
 	int         h;
 	qboolean    full = false;
@@ -281,6 +282,8 @@ SCR_CalcRefdef (void)
 	// force the status bar to redraw
 	Sbar_Changed ();
 
+//========================================
+
 	// bound viewsize
 	Cvar_SetValue (scr_viewsize, bound (30, scr_viewsize->int_val, 120));
 
@@ -301,7 +304,7 @@ SCR_CalcRefdef (void)
 		size = scr_viewsize->int_val;
 	}
 	// intermission is always full screen
-	if (r_force_fullscreen /*FIXME better test*/) {
+	if (r_force_fullscreen /*FIXME*/) {
 		full = true;
 		size = 100.0;
 		sb_lines = 0;
@@ -330,6 +333,23 @@ SCR_CalcRefdef (void)
 		CalcFov (r_refdef.fov_x, r_refdef.vrect.width, r_refdef.vrect.height);
 
 	scr_vrect = r_refdef.vrect;
+
+	// these calculations mirror those in R_Init() for r_refdef, but take no
+	// account of water warping
+	vrect.x = 0;
+	vrect.y = 0;
+	vrect.width = vid.width;
+	vrect.height = vid.height;
+
+	R_SetVrect (&vrect, &scr_vrect, r_lineadj);
+
+	// guard against going from one mode to another that's less than half the
+	// vertical resolution
+	if (scr_con_current > vid.height)
+		scr_con_current = vid.height;
+
+	// notify the refresh of the change
+	R_ViewChanged (&vrect, r_lineadj, vid.aspect);
 }
 
 
@@ -361,15 +381,18 @@ SCR_SizeDown_f (void)
 }
 
 
+//============================================================================
+
+
 void
 SCR_Init (void)
 {
 	//
 	// register our commands
 	//
-	Cmd_AddCommand ("screenshot", SCR_ScreenShot_f, "Take a screenshot, saves as qfxxx.tga in the current directory");
+	Cmd_AddCommand ("screenshot", SCR_ScreenShot_f, "Take a screenshot and write it as qfxxx.tga in the current directory");
-	Cmd_AddCommand ("sizeup", SCR_SizeUp_f, "Increases the screen size");
+	Cmd_AddCommand ("sizeup", SCR_SizeUp_f, "Increase the size of the screen");
-	Cmd_AddCommand ("sizedown", SCR_SizeDown_f, "Decreases the screen size");
+	Cmd_AddCommand ("sizedown", SCR_SizeDown_f, "Decrease the size of the screen");
 
 	scr_ram = Draw_PicFromWad ("ram");
 	scr_net = Draw_PicFromWad ("net");
@@ -400,7 +423,7 @@ SCR_DrawTurtle (int swap)
 	if (!scr_showturtle->int_val)
 		return;
 
-	if (host_frametime < 0.1) {
+	if (r_frametime < 0.1) {
 		count = 0;
 		return;
 	}
@@ -413,8 +436,8 @@ SCR_DrawTurtle (int swap)
 }
 
 
-extern cvar_t *show_time;
 extern cvar_t *show_fps;
+extern cvar_t *show_time;
 
 void
 SCR_DrawFPS (int swap)
@@ -436,9 +459,9 @@ SCR_DrawFPS (int swap)
 		lastframetime = t;
 	}
 	snprintf (st, sizeof (st), "%3d FPS", lastfps);
-
+	/* Misty: New trick! (for me) the ? makes this work like a if then else - 
-	// FIXME! This is evil. -- Deek
+	   IE: if cl_hudswap->int_val is not null, do first case, else (else is a 
-	// calculate the location of the clock
+	   : here) do second case. Deek taught me this trick */
 	if (show_time->int_val <= 0) {
 		i = 8;
 	} else if (show_time->int_val == 1) {
@@ -446,9 +469,8 @@ SCR_DrawFPS (int swap)
 	} else {
 		i = 80;
 	}
-
 	x = swap ? vid.width - ((strlen (st) * 8) + i) : i;
-	y = vid.height - sb_lines - 8;
+	y = vid.height - (sb_lines + 8);
 	Draw_String8 (x, y, st);
 }
 
@@ -457,7 +479,7 @@ SCR_DrawFPS (int swap)
 	SCR_DrawTime
 
 	Draw a clock on the screen
-	Written by Misty, rewritten by Deek.
+	Written by Misty, rewritten by Deek
 */
 void
 SCR_DrawTime (int swap)
@@ -482,9 +504,9 @@ SCR_DrawTime (int swap)
 	} else if (show_time->int_val >= 2) {	// US AM/PM display
 		timefmt = "%l:%M %P";
 	}
-	strftime (st, sizeof (st), timefmt, local);
 
-	// Print it at far left/right of screen
+	// Print it next to the fps meter
+	strftime (st, sizeof (st), timefmt, local);
 	x = swap ? (vid.width - ((strlen (st) * 8) + 8)) : 8;
 	y = vid.height - (sb_lines + 8);
 	Draw_String8 (x, y, st);
@@ -508,6 +530,9 @@ SCR_DrawPause (int swap)
 }
 
 
+//=============================================================================
+
+
 void
 SCR_SetUpToDrawConsole (void)
 {
@@ -523,12 +548,12 @@ SCR_SetUpToDrawConsole (void)
 		scr_conlines = 0;				// none visible
 
 	if (scr_conlines < scr_con_current) {
-		scr_con_current -= scr_conspeed->value * host_frametime;
+		scr_con_current -= scr_conspeed->value * r_frametime;
 		if (scr_conlines > scr_con_current)
 			scr_con_current = scr_conlines;
 
 	} else if (scr_conlines > scr_con_current) {
-		scr_con_current += scr_conspeed->value * host_frametime;
+		scr_con_current += scr_conspeed->value * r_frametime;
 		if (scr_conlines < scr_con_current)
 			scr_con_current = scr_conlines;
 	}
@@ -572,12 +597,8 @@ SCR_ScreenShot (int width, int height)
 	float       fracw, frach;
 	tex_t      *tex;
 
-	tex = Hunk_TempAlloc (sizeof (tex_t) + vid.width * vid.height * 3);
+	// enable direct drawing of console to back buffer
-	if (!tex)
+	D_EnableBackBufferAccess ();
-		return 0;
-
-	glReadPixels (glx, gly, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE,
-				  tex->data + vid.width * vid.height);
 
 	w = (vid.width < width) ? vid.width : width;
 	h = (vid.height < height) ? vid.height : height;
@@ -585,8 +606,12 @@ SCR_ScreenShot (int width, int height)
 	fracw = (float) vid.width / (float) w;
 	frach = (float) vid.height / (float) h;
 
+	tex = Hunk_TempAlloc (sizeof (tex_t) + w * h);
+	if (!tex)
+		return 0;
+
 	for (y = 0; y < h; y++) {
-		dest = tex->data + (w * 3 * y);
+		dest = tex->data + (w * y);
 
 		for (x = 0; x < w; x++) {
 			r = g = b = 0;
@@ -602,33 +627,23 @@ SCR_ScreenShot (int width, int height)
 
 			count = 0;
 			for ( /* */ ; dy < dey; dy++) {
-				src = tex->data + (vid.width * 3 * dy) + dx * 3;
+				src = vid.buffer + (vid.rowbytes * dy) + dx;
 				for (nx = dx; nx < dex; nx++) {
-					r += *src++;
+					r += vid_basepal[*src * 3];
-					g += *src++;
+					g += vid_basepal[*src * 3 + 1];
-					b += *src++;
+					b += vid_basepal[*src * 3 + 2];
+					src++;
 					count++;
 				}
 			}
 			r /= count;
 			g /= count;
 			b /= count;
-			*dest++ = r;
+			*dest++ = MipColor (r, g, b);
-			*dest++ = b;
-			*dest++ = g;
-		}
-	}
-
-	// convert to eight bit
-	for (y = 0; y < h; y++) {
-		src = tex->data + (w * 3 * y);
-		dest = tex->data + (w * y);
-
-		for (x = 0; x < w; x++) {
-			*dest++ = MipColor (src[0], src[1], src[2]);
-			src += 3;
 		}
 	}
+	// for adapters that can't stay mapped in for linear writes all the time
+	D_DisableBackBufferAccess ();
 
 	return tex;
 }
@@ -636,21 +651,28 @@ SCR_ScreenShot (int width, int height)
 void
 SCR_ScreenShot_f (void)
 {
-	byte       *buffer;
 	char        pcxname[MAX_OSPATH];
+	pcx_t      *pcx;
+	int         pcx_len;
 
-	// 
 	// find a file name to save it to 
-	// 
+	if (!COM_NextFilename (pcxname, "qf", ".pcx")) {
-	if (!COM_NextFilename (pcxname, "qf", ".tga")) {
+		Con_Printf ("SCR_ScreenShot_f: Couldn't create a PCX");
-		Con_Printf ("SCR_ScreenShot_f: Couldn't create a TGA file\n");
 		return;
 	}
-	buffer = malloc (glwidth * glheight * 3);
+
-	glReadPixels (glx, gly, glwidth, glheight, GL_BGR_EXT, GL_UNSIGNED_BYTE,
+	// enable direct drawing of console to back buffer
-				  buffer);
+	D_EnableBackBufferAccess ();
-	WriteTGAfile (pcxname, buffer, glwidth, glheight);
+
-	free (buffer);
+	// save the pcx file
+	pcx = EncodePCX (vid.buffer, vid.width, vid.height, vid.rowbytes,
+					 vid_basepal, false, &pcx_len);
+	COM_WriteFile (pcxname, pcx, pcx_len);
+
+
+	// for adapters that can't stay mapped in for linear writes all the time
+	D_DisableBackBufferAccess ();
+
 	Con_Printf ("Wrote %s\n", pcxname);
 }
 
@@ -692,7 +714,7 @@ MipColor (int r, int g, int b)
 }
 
 
-// in gl_draw.c
+// in draw.c
 extern byte *draw_chars;				// 8*8 graphic characters
 
 void
@@ -716,7 +738,7 @@ SCR_DrawCharToSnap (int num, byte * dest, int width)
 			else
 				dest[x] = 98;
 		source += 128;
-		dest -= width;
+		dest += width;
 	}
 
 }
@@ -740,6 +762,9 @@ SCR_DrawStringToSnap (const char *s, tex_t *tex, int x, int y)
 }
 
 
+//=============================================================================
+
+
 char       *scr_notifystring;
 
 void
@@ -775,39 +800,9 @@ SCR_DrawNotifyString (void)
 }
 
 
-void
+//=============================================================================
-SCR_TileClear (void)
-{
-	if (r_refdef.vrect.x > 0) {
-		// left
-		Draw_TileClear (0, 0, r_refdef.vrect.x, vid.height - sb_lines);
-		// right
-		Draw_TileClear (r_refdef.vrect.x + r_refdef.vrect.width, 0,
-						vid.width - r_refdef.vrect.x + r_refdef.vrect.width,
-						vid.height - sb_lines);
-	}
-	if (r_refdef.vrect.y > 0) {
-		// top
-		Draw_TileClear (r_refdef.vrect.x, 0,
-						r_refdef.vrect.x + r_refdef.vrect.width,
-						r_refdef.vrect.y);
-		// bottom
-		Draw_TileClear (r_refdef.vrect.x,
-						r_refdef.vrect.y + r_refdef.vrect.height,
-						r_refdef.vrect.width,
-						vid.height - sb_lines -
-						(r_refdef.vrect.height + r_refdef.vrect.y));
-	}
-}
 
 
-extern void R_ForceLightUpdate (void);
-
-int 			oldviewsize = 0;
-unsigned char	lighthalf_v[3];
-qboolean		lighthalf;
-extern cvar_t	*gl_lightmode;
-
 /*
 	SCR_UpdateScreen
 
@@ -820,66 +815,84 @@ extern cvar_t	*gl_lightmode;
 void
 SCR_UpdateScreen (double realtime, SCR_Func *scr_funcs, int swap)
 {
-	double      time1 = 0, time2;
+	static int  oldscr_viewsize;
-	float       f;
+	vrect_t     vrect;
 
-	if (block_drawing)
+	if (scr_skipupdate || block_drawing)
 		return;
 
-	r_realtime = realtime;
+	if (scr_disabled_for_loading)
+		return;
 
-	vid.numpages = 2 + gl_triplebuffer->int_val;
+#ifdef _WIN32
+	{									// don't suck up any cpu if minimized
+		extern qboolean Minimized;
+
+		if (Minimized)
+			return;
+	}
+#endif
+
+	r_realtime = realtime;
 
 	scr_copytop = 0;
 	scr_copyeverything = 0;
 
-	if (scr_disabled_for_loading) {
+	if (!scr_initialized || !con_initialized)
-		if (r_realtime - scr_disabled_time > 60) {
+		return;							// not initialized yet
-			scr_disabled_for_loading = false;
-			Con_Printf ("load failed.\n");
-		} else {
-			return;
-		}
-	}
 
-	if (!scr_initialized || !con_initialized)	// not initialized yet
+	if (scr_viewsize->int_val != oldscr_viewsize) {
-		return;
+		oldscr_viewsize = scr_viewsize->int_val;
-
+		vid.recalc_refdef = 1;
-	if (oldviewsize != scr_viewsize->int_val) {
+	}
-		oldviewsize = scr_viewsize->int_val;
+	//
+	// check for vid changes
+	//
+	if (oldfov != scr_fov->int_val) {
+		oldfov = scr_fov->int_val;
 		vid.recalc_refdef = true;
 	}
 
-	GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
+	if (oldscreensize != scr_viewsize->int_val) {
-
+		oldscreensize = scr_viewsize->int_val;
-	if (r_speeds->int_val) {
-		time1 = Sys_DoubleTime ();
-		c_brush_polys = 0;
-		c_alias_polys = 0;
-	}
-
-	if (oldfov != scr_fov->value) {		// determine size of refresh window
-		oldfov = scr_fov->value;
 		vid.recalc_refdef = true;
 	}
 
-	if (vid.recalc_refdef)
+	if (vid.recalc_refdef) {
+		// something changed, so reorder the screen
 		SCR_CalcRefdef ();
-
+	}
+	//
 	// do 3D refresh drawing, and then update the screen
+	//
+	D_EnableBackBufferAccess ();		// of all overlay stuff if drawing
+	// directly
+
+	if (scr_fullupdate++ < vid.numpages) {	// clear the entire screen
+		scr_copyeverything = 1;
+		Draw_TileClear (0, 0, vid.width, vid.height);
+		Sbar_Changed ();
+	}
+
+	pconupdate = NULL;
+
 
 	SCR_SetUpToDrawConsole ();
 
+	D_DisableBackBufferAccess ();		// for adapters that can't stay
+	// mapped in
+	// for linear writes all the time
+
+	VID_LockBuffer ();
 	V_RenderView ();
+	VID_UnlockBuffer ();
 
-	GL_Set2D ();
+	D_EnableBackBufferAccess ();		// of all overlay stuff if drawing
+	// directly
 
-	// draw any areas not covered by the refresh
+	if (r_force_fullscreen /*FIXME*/ == 1 && key_dest == key_game) {
-	SCR_TileClear ();
-
-	if (r_force_fullscreen /*FIXME better test*/ == 1 && key_dest == key_game) {
 		Sbar_IntermissionOverlay ();
-	} else if (r_force_fullscreen /*FIXME better test*/ == 2 && key_dest == key_game) {
+	} else if (r_force_fullscreen /*FIXME*/ == 2 && key_dest == key_game) {
 		Sbar_FinaleOverlay ();
 		SCR_CheckDrawCenterString (swap);
 	} else {
@@ -889,59 +902,42 @@ SCR_UpdateScreen (double realtime, SCR_Func *scr_funcs, int swap)
 		}
 	}
 
-	// also makes polyblend apply to whole screen
-	glDisable (GL_TEXTURE_2D);
 
-	if (lighthalf) {		// LordHavoc: render was done at half brightness
+	D_DisableBackBufferAccess ();		// for adapters that can't stay
-		f = 2;
+	// mapped in
-	} else {
+	// for linear writes all the time
-		f = 1;
+	if (pconupdate) {
+		D_UpdateRects (pconupdate);
 	}
 
-	if (f >= 1.002) {		// Make sure we don't get bit by roundoff errors
-		glBlendFunc (GL_DST_COLOR, GL_ONE);
-		glBegin (GL_QUADS);
-		while (f >= 1.002) {			// precision
-			if (f >= 2)
-				glColor3f (1, 1, 1);
-			else
-				glColor3f (f - 1, f - 1, f - 1);
-			glVertex2f (0, 0);
-			glVertex2f (vid.width, 0);
-			glVertex2f (vid.width, vid.height);
-			glVertex2f (0, vid.height);
-			f *= 0.5;
-		}
-		glEnd ();
-		glColor3ubv (lighthalf_v);
-		glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	}
-
-	if (v_blend[3]) {
-		glBegin (GL_QUADS);
-
-		glColor4fv (v_blend);
-		glVertex2f (0, 0);
-		glVertex2f (vid.width, 0);
-		glVertex2f (vid.width, vid.height);
-		glVertex2f (0, vid.height);
-
-		glEnd ();
-		glColor3ubv (lighthalf_v);
-	}
-
-	glEnable (GL_TEXTURE_2D);
-
 	V_UpdatePalette ();
 
-	if (r_speeds->int_val) {
+	//
-//      glFinish ();
+	// update one of three areas
-		time2 = Sys_DoubleTime ();
+	//
-		Con_Printf ("%3i ms  %4i wpoly %4i epoly\n",
+	if (scr_copyeverything) {
-					(int) ((time2 - time1) * 1000), c_brush_polys,
+		vrect.x = 0;
-					c_alias_polys);
+		vrect.y = 0;
-	}
+		vrect.width = vid.width;
+		vrect.height = vid.height;
+		vrect.pnext = 0;
 
-	glFinish ();
+		VID_Update (&vrect);
-	GL_EndRendering ();
+	} else if (scr_copytop) {
+		vrect.x = 0;
+		vrect.y = 0;
+		vrect.width = vid.width;
+		vrect.height = vid.height - sb_lines;
+		vrect.pnext = 0;
+
+		VID_Update (&vrect);
+	} else {
+		vrect.x = scr_vrect.x;
+		vrect.y = scr_vrect.y;
+		vrect.width = scr_vrect.width;
+		vrect.height = scr_vrect.height;
+		vrect.pnext = 0;
+
+		VID_Update (&vrect);
+	}
 }

libs/video/renderer/sw/surf16.S

@@ -0,0 +1,179 @@
+/*
+	surf16.S
+
+	x86 assembly-language 16 bpp surface block drawing code.
+
+	Copyright (C) 1996-1997  Id Software, Inc.
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+	See the GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+	$Id$
+*/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+#include "QF/asm_i386.h"
+#include "quakeasm.h"
+#include "asm_draw.h"
+
+#ifdef USE_INTEL_ASM
+
+//----------------------------------------------------------------------
+// Surface block drawer
+//----------------------------------------------------------------------
+
+	.data
+
+k:			.long	0
+loopentry:	.long	0
+
+	.align	4
+blockjumptable16:
+	.long	LEnter2_16
+	.long	LEnter4_16
+	.long	0, LEnter8_16
+	.long	0, 0, 0, LEnter16_16
+
+
+	.text
+
+	.align 4
+.globl C(R_Surf16Start)
+C(R_Surf16Start):
+
+	.align 4
+.globl C(R_DrawSurfaceBlock16)
+C(R_DrawSurfaceBlock16):
+	pushl	%ebp				// preserve caller's stack frame
+	pushl	%edi
+	pushl	%esi				// preserve register variables
+	pushl	%ebx
+
+	movl	C(blocksize),%eax
+	movl	C(prowdestbase),%edi
+	movl	C(pbasesource),%esi
+	movl	C(sourcesstep),%ebx
+	movl	blockjumptable16-4(,%eax,2),%ecx
+	movl	%eax,k
+	movl	%ecx,loopentry
+	movl	C(lightleft),%edx
+	movl	C(lightright),%ebp
+
+Lblockloop16:
+
+	subl	%edx,%ebp
+	movb	C(blockdivshift),%cl
+	sarl	%cl,%ebp
+	jns		Lp1_16
+	testl	C(blockdivmask),%ebp
+	jz		Lp1_16
+	incl	%ebp
+Lp1_16:
+
+	subl	%eax,%eax
+	subl	%ecx,%ecx	// high words must be 0 in loop for addressing
+
+	jmp		*loopentry
+
+	.align	4
+
+#include "block16.h"
+
+	movl	C(pbasesource),%esi
+	movl	C(lightleft),%edx
+	movl	C(lightright),%ebp
+	movl	C(sourcetstep),%eax
+	movl	C(lightrightstep),%ecx
+	movl	C(prowdestbase),%edi
+
+	addl	%eax,%esi
+	addl	%ecx,%ebp
+
+	movl	C(lightleftstep),%eax
+	movl	C(surfrowbytes),%ecx
+
+	addl	%eax,%edx
+	addl	%ecx,%edi
+
+	movl	%esi,C(pbasesource)
+	movl	%ebp,C(lightright)
+	movl	k,%eax
+	movl	%edx,C(lightleft)
+	decl	%eax
+	movl	%edi,C(prowdestbase)
+	movl	%eax,k
+	jnz		Lblockloop16
+
+	popl	%ebx				// restore register variables
+	popl	%esi
+	popl	%edi
+	popl	%ebp				// restore the caller's stack frame
+	ret
+
+.globl C(R_Surf16End)
+C(R_Surf16End):
+
+//----------------------------------------------------------------------
+// Code patching routines
+//----------------------------------------------------------------------
+	.data
+
+	.align 4
+LPatchTable16:
+	.long	LBPatch0-4
+	.long	LBPatch1-4
+	.long	LBPatch2-4
+	.long	LBPatch3-4
+	.long	LBPatch4-4
+	.long	LBPatch5-4
+	.long	LBPatch6-4
+	.long	LBPatch7-4
+	.long	LBPatch8-4
+	.long	LBPatch9-4
+	.long	LBPatch10-4
+	.long	LBPatch11-4
+	.long	LBPatch12-4
+	.long	LBPatch13-4
+	.long	LBPatch14-4
+	.long	LBPatch15-4
+
+	.text
+
+	.align 4
+.globl C(R_Surf16Patch)
+C(R_Surf16Patch):
+	pushl	%ebx
+
+	movl	C(colormap),%eax
+	movl	$LPatchTable16,%ebx
+	movl	$16,%ecx
+LPatchLoop16:
+	movl	(%ebx),%edx
+	addl	$4,%ebx
+	movl	%eax,(%edx)
+	decl	%ecx
+	jnz		LPatchLoop16
+
+	popl	%ebx
+
+	ret
+
+
+#endif	// USE_INTEL_ASM

libs/video/renderer/sw/surf8.S

@@ -0,0 +1,791 @@
+/*
+	surf8.S
+
+	Intel x86 assembly-language 8bpp surface block drawing code
+
+	Copyright (C) 1996-1997  Id Software, Inc.
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+	See the GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+	$Id$
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "QF/asm_i386.h"
+#include "quakeasm.h"
+#include "asm_draw.h"
+
+#ifdef USE_INTEL_ASM
+
+	.data
+
+sb_v:		.long	0
+
+	.text
+
+	.align 4
+.globl C(R_Surf8Start)
+C(R_Surf8Start):
+
+//----------------------------------------------------------------------
+// Surface block drawer for mip level 0
+//----------------------------------------------------------------------
+
+	.align 4
+.globl C(R_DrawSurfaceBlock8_mip0)
+C(R_DrawSurfaceBlock8_mip0):
+	pushl	%ebp				// preserve caller's stack frame
+	pushl	%edi
+	pushl	%esi				// preserve register variables
+	pushl	%ebx
+
+//		for (v=0 ; v<numvblocks ; v++)
+//		{
+	movl	C(r_lightptr),%ebx
+	movl	C(r_numvblocks),%eax
+
+	movl	%eax,sb_v
+	movl	C(prowdestbase),%edi
+
+	movl	C(pbasesource),%esi
+
+Lv_loop_mip0:
+
+//			lightleft = lightptr[0];
+//			lightright = lightptr[1];
+//			lightdelta = (lightleft - lightright) & 0xFFFFF;
+	movl	(%ebx),%eax			// lightleft
+	movl	4(%ebx),%edx		// lightright
+
+	movl	%eax,%ebp
+	movl	C(r_lightwidth),%ecx
+
+	movl	%edx,C(lightright)
+	subl	%edx,%ebp
+
+	andl	$0xFFFFF,%ebp
+	leal	(%ebx,%ecx,4),%ebx
+
+//			lightptr += lightwidth;
+	movl	%ebx,C(r_lightptr)
+
+//			lightleftstep = (lightptr[0] - lightleft) >> blockdivshift;
+//			lightrightstep = (lightptr[1] - lightright) >> blockdivshift;
+//			lightdeltastep = ((lightleftstep - lightrightstep) & 0xFFFFF) |
+//					0xF0000000;
+	movl	4(%ebx),%ecx	// lightptr[1]
+	movl	(%ebx),%ebx		// lightptr[0]
+
+	subl	%eax,%ebx
+	subl	%edx,%ecx
+
+	sarl	$4,%ecx
+	orl		$0xF0000000,%ebp
+
+	sarl	$4,%ebx
+	movl	%ecx,C(lightrightstep)
+
+	subl	%ecx,%ebx
+	andl	$0xFFFFF,%ebx
+
+	orl		$0xF0000000,%ebx
+	subl	%ecx,%ecx	// high word must be 0 in loop for addressing
+
+	movl	%ebx,C(lightdeltastep)
+	subl	%ebx,%ebx	// high word must be 0 in loop for addressing
+
+Lblockloop8_mip0:
+	movl	%ebp,C(lightdelta)
+	movb	14(%esi),%cl
+
+	sarl	$4,%ebp
+	movb	%dh,%bh
+
+	movb	15(%esi),%bl
+	addl	%ebp,%edx
+
+	movb	%dh,%ch
+	addl	%ebp,%edx
+
+	movb	0x12345678(%ebx),%ah
+LBPatch0:
+	movb	13(%esi),%bl
+
+	movb	0x12345678(%ecx),%al
+LBPatch1:
+	movb	12(%esi),%cl
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	rorl	$16,%eax
+	movb	%dh,%ch
+
+	addl	%ebp,%edx
+	movb	0x12345678(%ebx),%ah
+LBPatch2:
+
+	movb	11(%esi),%bl
+	movb	0x12345678(%ecx),%al
+LBPatch3:
+
+	movb	10(%esi),%cl
+	movl	%eax,12(%edi)
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	movb	%dh,%ch
+	addl	%ebp,%edx
+
+	movb	0x12345678(%ebx),%ah
+LBPatch4:
+	movb	9(%esi),%bl
+
+	movb	0x12345678(%ecx),%al
+LBPatch5:
+	movb	8(%esi),%cl
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	rorl	$16,%eax
+	movb	%dh,%ch
+
+	addl	%ebp,%edx
+	movb	0x12345678(%ebx),%ah
+LBPatch6:
+
+	movb	7(%esi),%bl
+	movb	0x12345678(%ecx),%al
+LBPatch7:
+
+	movb	6(%esi),%cl
+	movl	%eax,8(%edi)
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	movb	%dh,%ch
+	addl	%ebp,%edx
+
+	movb	0x12345678(%ebx),%ah
+LBPatch8:
+	movb	5(%esi),%bl
+
+	movb	0x12345678(%ecx),%al
+LBPatch9:
+	movb	4(%esi),%cl
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	rorl	$16,%eax
+	movb	%dh,%ch
+
+	addl	%ebp,%edx
+	movb	0x12345678(%ebx),%ah
+LBPatch10:
+
+	movb	3(%esi),%bl
+	movb	0x12345678(%ecx),%al
+LBPatch11:
+
+	movb	2(%esi),%cl
+	movl	%eax,4(%edi)
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	movb	%dh,%ch
+	addl	%ebp,%edx
+
+	movb	0x12345678(%ebx),%ah
+LBPatch12:
+	movb	1(%esi),%bl
+
+	movb	0x12345678(%ecx),%al
+LBPatch13:
+	movb	(%esi),%cl
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	rorl	$16,%eax
+	movb	%dh,%ch
+
+	movb	0x12345678(%ebx),%ah
+LBPatch14:
+	movl	C(lightright),%edx
+
+	movb	0x12345678(%ecx),%al
+LBPatch15:
+	movl	C(lightdelta),%ebp
+
+	movl	%eax,(%edi)
+
+	addl	C(sourcetstep),%esi
+	addl	C(surfrowbytes),%edi
+
+	addl	C(lightrightstep),%edx
+	addl	C(lightdeltastep),%ebp
+
+	movl	%edx,C(lightright)
+	jc		Lblockloop8_mip0
+
+//			if (pbasesource >= r_sourcemax)
+//				pbasesource -= stepback;
+
+	cmpl	C(r_sourcemax),%esi
+	jb		LSkip_mip0
+	subl	C(r_stepback),%esi
+LSkip_mip0:
+
+	movl	C(r_lightptr),%ebx
+	decl	sb_v
+
+	jnz		Lv_loop_mip0
+
+	popl	%ebx				// restore register variables
+	popl	%esi
+	popl	%edi
+	popl	%ebp				// restore the caller's stack frame
+	ret
+
+
+//----------------------------------------------------------------------
+// Surface block drawer for mip level 1
+//----------------------------------------------------------------------
+
+	.align 4
+.globl C(R_DrawSurfaceBlock8_mip1)
+C(R_DrawSurfaceBlock8_mip1):
+	pushl	%ebp				// preserve caller's stack frame
+	pushl	%edi
+	pushl	%esi				// preserve register variables
+	pushl	%ebx
+
+//		for (v=0 ; v<numvblocks ; v++)
+//		{
+	movl	C(r_lightptr),%ebx
+	movl	C(r_numvblocks),%eax
+
+	movl	%eax,sb_v
+	movl	C(prowdestbase),%edi
+
+	movl	C(pbasesource),%esi
+
+Lv_loop_mip1:
+
+//			lightleft = lightptr[0];
+//			lightright = lightptr[1];
+//			lightdelta = (lightleft - lightright) & 0xFFFFF;
+	movl	(%ebx),%eax			// lightleft
+	movl	4(%ebx),%edx		// lightright
+
+	movl	%eax,%ebp
+	movl	C(r_lightwidth),%ecx
+
+	movl	%edx,C(lightright)
+	subl	%edx,%ebp
+
+	andl	$0xFFFFF,%ebp
+	leal	(%ebx,%ecx,4),%ebx
+
+//			lightptr += lightwidth;
+	movl	%ebx,C(r_lightptr)
+
+//			lightleftstep = (lightptr[0] - lightleft) >> blockdivshift;
+//			lightrightstep = (lightptr[1] - lightright) >> blockdivshift;
+//			lightdeltastep = ((lightleftstep - lightrightstep) & 0xFFFFF) |
+//					0xF0000000;
+	movl	4(%ebx),%ecx	// lightptr[1]
+	movl	(%ebx),%ebx		// lightptr[0]
+
+	subl	%eax,%ebx
+	subl	%edx,%ecx
+
+	sarl	$3,%ecx
+	orl		$0x70000000,%ebp
+
+	sarl	$3,%ebx
+	movl	%ecx,C(lightrightstep)
+
+	subl	%ecx,%ebx
+	andl	$0xFFFFF,%ebx
+
+	orl		$0xF0000000,%ebx
+	subl	%ecx,%ecx	// high word must be 0 in loop for addressing
+
+	movl	%ebx,C(lightdeltastep)
+	subl	%ebx,%ebx	// high word must be 0 in loop for addressing
+
+Lblockloop8_mip1:
+	movl	%ebp,C(lightdelta)
+	movb	6(%esi),%cl
+
+	sarl	$3,%ebp
+	movb	%dh,%bh
+
+	movb	7(%esi),%bl
+	addl	%ebp,%edx
+
+	movb	%dh,%ch
+	addl	%ebp,%edx
+
+	movb	0x12345678(%ebx),%ah
+LBPatch22:
+	movb	5(%esi),%bl
+
+	movb	0x12345678(%ecx),%al
+LBPatch23:
+	movb	4(%esi),%cl
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	rorl	$16,%eax
+	movb	%dh,%ch
+
+	addl	%ebp,%edx
+	movb	0x12345678(%ebx),%ah
+LBPatch24:
+
+	movb	3(%esi),%bl
+	movb	0x12345678(%ecx),%al
+LBPatch25:
+
+	movb	2(%esi),%cl
+	movl	%eax,4(%edi)
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	movb	%dh,%ch
+	addl	%ebp,%edx
+
+	movb	0x12345678(%ebx),%ah
+LBPatch26:
+	movb	1(%esi),%bl
+
+	movb	0x12345678(%ecx),%al
+LBPatch27:
+	movb	(%esi),%cl
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	rorl	$16,%eax
+	movb	%dh,%ch
+
+	movb	0x12345678(%ebx),%ah
+LBPatch28:
+	movl	C(lightright),%edx
+
+	movb	0x12345678(%ecx),%al
+LBPatch29:
+	movl	C(lightdelta),%ebp
+
+	movl	%eax,(%edi)
+	movl	C(sourcetstep),%eax
+
+	addl	%eax,%esi
+	movl	C(surfrowbytes),%eax
+
+	addl	%eax,%edi
+	movl	C(lightrightstep),%eax
+
+	addl	%eax,%edx
+	movl	C(lightdeltastep),%eax
+
+	addl	%eax,%ebp
+	movl	%edx,C(lightright)
+
+	jc		Lblockloop8_mip1
+
+//			if (pbasesource >= r_sourcemax)
+//				pbasesource -= stepback;
+
+	cmpl	C(r_sourcemax),%esi
+	jb		LSkip_mip1
+	subl	C(r_stepback),%esi
+LSkip_mip1:
+
+	movl	C(r_lightptr),%ebx
+	decl	sb_v
+
+	jnz		Lv_loop_mip1
+
+	popl	%ebx				// restore register variables
+	popl	%esi
+	popl	%edi
+	popl	%ebp				// restore the caller's stack frame
+	ret
+
+
+//----------------------------------------------------------------------
+// Surface block drawer for mip level 2
+//----------------------------------------------------------------------
+
+	.align 4
+.globl C(R_DrawSurfaceBlock8_mip2)
+C(R_DrawSurfaceBlock8_mip2):
+	pushl	%ebp				// preserve caller's stack frame
+	pushl	%edi
+	pushl	%esi				// preserve register variables
+	pushl	%ebx
+
+//		for (v=0 ; v<numvblocks ; v++)
+//		{
+	movl	C(r_lightptr),%ebx
+	movl	C(r_numvblocks),%eax
+
+	movl	%eax,sb_v
+	movl	C(prowdestbase),%edi
+
+	movl	C(pbasesource),%esi
+
+Lv_loop_mip2:
+
+//			lightleft = lightptr[0];
+//			lightright = lightptr[1];
+//			lightdelta = (lightleft - lightright) & 0xFFFFF;
+	movl	(%ebx),%eax			// lightleft
+	movl	4(%ebx),%edx		// lightright
+
+	movl	%eax,%ebp
+	movl	C(r_lightwidth),%ecx
+
+	movl	%edx,C(lightright)
+	subl	%edx,%ebp
+
+	andl	$0xFFFFF,%ebp
+	leal	(%ebx,%ecx,4),%ebx
+
+//			lightptr += lightwidth;
+	movl	%ebx,C(r_lightptr)
+
+//			lightleftstep = (lightptr[0] - lightleft) >> blockdivshift;
+//			lightrightstep = (lightptr[1] - lightright) >> blockdivshift;
+//			lightdeltastep = ((lightleftstep - lightrightstep) & 0xFFFFF) |
+//					0xF0000000;
+	movl	4(%ebx),%ecx	// lightptr[1]
+	movl	(%ebx),%ebx		// lightptr[0]
+
+	subl	%eax,%ebx
+	subl	%edx,%ecx
+
+	sarl	$2,%ecx
+	orl		$0x30000000,%ebp
+
+	sarl	$2,%ebx
+	movl	%ecx,C(lightrightstep)
+
+	subl	%ecx,%ebx
+
+	andl	$0xFFFFF,%ebx
+
+	orl		$0xF0000000,%ebx
+	subl	%ecx,%ecx	// high word must be 0 in loop for addressing
+
+	movl	%ebx,C(lightdeltastep)
+	subl	%ebx,%ebx	// high word must be 0 in loop for addressing
+
+Lblockloop8_mip2:
+	movl	%ebp,C(lightdelta)
+	movb	2(%esi),%cl
+
+	sarl	$2,%ebp
+	movb	%dh,%bh
+
+	movb	3(%esi),%bl
+	addl	%ebp,%edx
+
+	movb	%dh,%ch
+	addl	%ebp,%edx
+
+	movb	0x12345678(%ebx),%ah
+LBPatch18:
+	movb	1(%esi),%bl
+
+	movb	0x12345678(%ecx),%al
+LBPatch19:
+	movb	(%esi),%cl
+
+	movb	%dh,%bh
+	addl	%ebp,%edx
+
+	rorl	$16,%eax
+	movb	%dh,%ch
+
+	movb	0x12345678(%ebx),%ah
+LBPatch20:
+	movl	C(lightright),%edx
+
+	movb	0x12345678(%ecx),%al
+LBPatch21:
+	movl	C(lightdelta),%ebp
+
+	movl	%eax,(%edi)
+	movl	C(sourcetstep),%eax
+
+	addl	%eax,%esi
+	movl	C(surfrowbytes),%eax
+
+	addl	%eax,%edi
+	movl	C(lightrightstep),%eax
+
+	addl	%eax,%edx
+	movl	C(lightdeltastep),%eax
+
+	addl	%eax,%ebp
+	movl	%edx,C(lightright)
+
+	jc		Lblockloop8_mip2
+
+//			if (pbasesource >= r_sourcemax)
+//				pbasesource -= stepback;
+
+	cmpl	C(r_sourcemax),%esi
+	jb		LSkip_mip2
+	subl	C(r_stepback),%esi
+LSkip_mip2:
+
+	movl	C(r_lightptr),%ebx
+	decl	sb_v
+
+	jnz		Lv_loop_mip2
+
+	popl	%ebx				// restore register variables
+	popl	%esi
+	popl	%edi
+	popl	%ebp				// restore the caller's stack frame
+	ret
+
+
+//----------------------------------------------------------------------
+// Surface block drawer for mip level 3
+//----------------------------------------------------------------------
+
+	.align 4
+.globl C(R_DrawSurfaceBlock8_mip3)
+C(R_DrawSurfaceBlock8_mip3):
+	pushl	%ebp				// preserve caller's stack frame
+	pushl	%edi
+	pushl	%esi				// preserve register variables
+	pushl	%ebx
+
+//		for (v=0 ; v<numvblocks ; v++)
+//		{
+	movl	C(r_lightptr),%ebx
+	movl	C(r_numvblocks),%eax
+
+	movl	%eax,sb_v
+	movl	C(prowdestbase),%edi
+
+	movl	C(pbasesource),%esi
+
+Lv_loop_mip3:
+
+//			lightleft = lightptr[0];
+//			lightright = lightptr[1];
+//			lightdelta = (lightleft - lightright) & 0xFFFFF;
+	movl	(%ebx),%eax			// lightleft
+	movl	4(%ebx),%edx		// lightright
+
+	movl	%eax,%ebp
+	movl	C(r_lightwidth),%ecx
+
+	movl	%edx,C(lightright)
+	subl	%edx,%ebp
+
+	andl	$0xFFFFF,%ebp
+	leal	(%ebx,%ecx,4),%ebx
+
+	movl	%ebp,C(lightdelta)
+//			lightptr += lightwidth;
+	movl	%ebx,C(r_lightptr)
+
+//			lightleftstep = (lightptr[0] - lightleft) >> blockdivshift;
+//			lightrightstep = (lightptr[1] - lightright) >> blockdivshift;
+//			lightdeltastep = ((lightleftstep - lightrightstep) & 0xFFFFF) |
+//					0xF0000000;
+	movl	4(%ebx),%ecx	// lightptr[1]
+	movl	(%ebx),%ebx		// lightptr[0]
+
+	subl	%eax,%ebx
+	subl	%edx,%ecx
+
+	sarl	$1,%ecx
+
+	sarl	$1,%ebx
+	movl	%ecx,C(lightrightstep)
+
+	subl	%ecx,%ebx
+	andl	$0xFFFFF,%ebx
+
+	sarl	$1,%ebp
+	orl		$0xF0000000,%ebx
+
+	movl	%ebx,C(lightdeltastep)
+	subl	%ebx,%ebx	// high word must be 0 in loop for addressing
+
+	movb	1(%esi),%bl
+	subl	%ecx,%ecx	// high word must be 0 in loop for addressing
+
+	movb	%dh,%bh
+	movb	(%esi),%cl
+
+	addl	%ebp,%edx
+	movb	%dh,%ch
+
+	movb	0x12345678(%ebx),%al
+LBPatch16:
+	movl	C(lightright),%edx
+
+	movb	%al,1(%edi)
+	movb	0x12345678(%ecx),%al
+LBPatch17:
+
+	movb	%al,(%edi)
+	movl	C(sourcetstep),%eax
+
+	addl	%eax,%esi
+	movl	C(surfrowbytes),%eax
+
+	addl	%eax,%edi
+	movl	C(lightdeltastep),%eax
+
+	movl	C(lightdelta),%ebp
+	movb	(%esi),%cl
+
+	addl	%eax,%ebp
+	movl	C(lightrightstep),%eax
+
+	sarl	$1,%ebp
+	addl	%eax,%edx
+
+	movb	%dh,%bh
+	movb	1(%esi),%bl
+
+	addl	%ebp,%edx
+	movb	%dh,%ch
+
+	movb	0x12345678(%ebx),%al
+LBPatch30:
+	movl	C(sourcetstep),%edx
+
+	movb	%al,1(%edi)
+	movb	0x12345678(%ecx),%al
+LBPatch31:
+
+	movb	%al,(%edi)
+	movl	C(surfrowbytes),%ebp
+
+	addl	%edx,%esi
+	addl	%ebp,%edi
+
+//			if (pbasesource >= r_sourcemax)
+//				pbasesource -= stepback;
+
+	cmpl	C(r_sourcemax),%esi
+	jb		LSkip_mip3
+	subl	C(r_stepback),%esi
+LSkip_mip3:
+
+	movl	C(r_lightptr),%ebx
+	decl	sb_v
+
+	jnz		Lv_loop_mip3
+
+	popl	%ebx				// restore register variables
+	popl	%esi
+	popl	%edi
+	popl	%ebp				// restore the caller's stack frame
+	ret
+
+
+.globl C(R_Surf8End)
+C(R_Surf8End):
+
+//----------------------------------------------------------------------
+// Code patching routines
+//----------------------------------------------------------------------
+	.data
+
+	.align 4
+LPatchTable8:
+	.long	LBPatch0-4
+	.long	LBPatch1-4
+	.long	LBPatch2-4
+	.long	LBPatch3-4
+	.long	LBPatch4-4
+	.long	LBPatch5-4
+	.long	LBPatch6-4
+	.long	LBPatch7-4
+	.long	LBPatch8-4
+	.long	LBPatch9-4
+	.long	LBPatch10-4
+	.long	LBPatch11-4
+	.long	LBPatch12-4
+	.long	LBPatch13-4
+	.long	LBPatch14-4
+	.long	LBPatch15-4
+	.long	LBPatch16-4
+	.long	LBPatch17-4
+	.long	LBPatch18-4
+	.long	LBPatch19-4
+	.long	LBPatch20-4
+	.long	LBPatch21-4
+	.long	LBPatch22-4
+	.long	LBPatch23-4
+	.long	LBPatch24-4
+	.long	LBPatch25-4
+	.long	LBPatch26-4
+	.long	LBPatch27-4
+	.long	LBPatch28-4
+	.long	LBPatch29-4
+	.long	LBPatch30-4
+	.long	LBPatch31-4
+
+	.text
+
+	.align 4
+.globl C(R_Surf8Patch)
+C(R_Surf8Patch):
+	pushl	%ebx
+
+	movl	C(colormap),%eax
+	movl	$LPatchTable8,%ebx
+	movl	$32,%ecx
+LPatchLoop8:
+	movl	(%ebx),%edx
+	addl	$4,%ebx
+	movl	%eax,(%edx)
+	decl	%ecx
+	jnz		LPatchLoop8
+
+	popl	%ebx
+
+	ret
+
+#endif	// USE_INTEL_ASM

libs/video/renderer/sw/sw_rmisc.c

@@ -37,9 +37,7 @@
 #include "QF/render.h"
 #include "QF/sys.h"
 
-#include "host.h"
 #include "r_local.h"
-#include "sbar.h"
 
 void
 R_CheckVariables (void)

nq/source/Makefile.am

@@ -41,9 +41,6 @@ EXTRA_PROGRAMS= nq-3dfx nq-fbdev nq-glx nq-mgl nq-sdl \
 noinst_LIBRARIES= libqfnet.a
 
 math_ASM= 	cl_math.S
-soft_ASM=	d_draw.S d_draw16.S d_parta.S d_polysa.S d_scana.S d_spr8.S \
-		d_varsa.S sw_raclipa.S sw_raliasa.S sw_rdrawa.S sw_redgea.S \
-		sw_rvarsa.S surf16.S surf8.S
 common_ASM=	sys_ia32.S worlda.S $(math_ASM)
 
 common_SOURCES=	game.c host_skin.c skin.c wad.c world.c com.c $(common_ASM)
@@ -74,7 +71,7 @@ client_LIB_DEPS=	libqfnet.a $(qf_client_LIBS)
 
 client_SOURCES=	cl_cam.c cl_cmd.c cl_demo.c cl_input.c cl_main.c cl_screen.c \
 		cl_parse.c cl_tent.c \
-		console.c keys.c sbar.c r_cvar.c r_efrag.c r_ent.c r_graph.c r_main.c \
+		console.c keys.c sbar.c \
 		r_part.c r_view.c nonintel.c locs.c pcx.c tga.c
 
 server_SOURCES= host.c host_cmd.c pr_cmds.c sv_cvar.c sv_main.c \
@@ -86,66 +83,57 @@ combined_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(server_SOURCES) \
 # Software-rendering targets
 #
 # ... Common stuff
-soft_SOURCES=	d_edge.c d_fill.c d_init.c d_modech.c d_part.c d_polyse.c \
+soft_SOURCES=	sw_rpart.c sw_view.c
-		d_scan.c d_sky.c d_sprite.c d_surf.c d_vars.c d_zpoint.c \
-		draw.c screen.c sw_graph.c sw_raclip.c sw_ralias.c sw_rbsp.c \
-		sw_rdraw.c \
-		sw_redge.c sw_rlight.c sw_rmain.c sw_rmisc.c sw_rpart.c \
-		sw_rsky.c sw_rsprite.c sw_rsurf.c sw_skin.c sw_view.c \
-		$(soft_ASM)
 
 # ... Linux FBDev
 nq_fbdev_SOURCES= $(combined_SOURCES) $(soft_SOURCES)
-nq_fbdev_LDADD= ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la $(client_LIBS)
+nq_fbdev_LDADD= ../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la $(client_LIBS)
-nq_fbdev_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la $(client_LIB_DEPS)
+nq_fbdev_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la $(client_LIB_DEPS)
 
 # ... SciTech MGL
 nq_mgl_SOURCES=	$(combined_SOURCES) $(soft_SOURCES)
-nq_mgl_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIBS) $(MGL_LIBS)
+nq_mgl_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIBS) $(MGL_LIBS)
-nq_mgl_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIB_DEPS)
+nq_mgl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIB_DEPS)
 
 # ... Sam Lantinga's Simple DirectMedia Layer, version 1.0 and higher
 nq_sdl_SOURCES=	$(combined_SOURCES) $(soft_SOURCES)
-nq_sdl_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIBS) $(SDL_LIBS)
+nq_sdl_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIBS) $(SDL_LIBS)
-nq_sdl_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIB_DEPS)
+nq_sdl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIB_DEPS)
 
 # ... Linux SVGAlib
 nq_svga_SOURCES=	$(combined_SOURCES) $(soft_SOURCES)
-nq_svga_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIBS) $(SVGA_LIBS)
+nq_svga_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIBS) $(SVGA_LIBS)
-nq_svga_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIB_DEPS)
+nq_svga_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIB_DEPS)
 
 # ... X11
 nq_x11_SOURCES=	$(combined_SOURCES) $(soft_SOURCES)
-nq_x11_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(X_SHM_LIB)
+nq_x11_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(X_SHM_LIB)
-nq_x11_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIB_DEPS)
+nq_x11_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIB_DEPS)
 
 
 # OpenGL-using targets
 # ... Common stuff
-ogl_SOURCES=	noisetextures.c gl_textures.c gl_draw.c gl_dyn_fires.c	\
+ogl_SOURCES=	gl_dyn_part.c gl_view.c
-		gl_dyn_part.c gl_dyn_textures.c gl_graph.c gl_rlight.c \
-		gl_rmain.c gl_rmisc.c gl_rsurf.c gl_screen.c gl_skin.c \
-		gl_sky.c gl_sky_clip.c gl_view.c gl_warp.c
 
 # ... 3Dfx Voodoo 1 and 2 SVGAlib-based console GL
 nq_3dfx_SOURCES=	$(combined_SOURCES) $(ogl_SOURCES)
-nq_3dfx_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIBS) $(TDFXGL_LIBS) $(SVGA_LIBS) $(DL_LIBS)
+nq_3dfx_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIBS) $(TDFXGL_LIBS) $(SVGA_LIBS) $(DL_LIBS)
-nq_3dfx_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIB_DEPS)
+nq_3dfx_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIB_DEPS)
 
 # ... OpenGL in X Window
 nq_glx_SOURCES=	$(combined_SOURCES) $(ogl_SOURCES)
-nq_glx_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIBS) $(GLX_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(DL_LIBS)
+nq_glx_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIBS) $(GLX_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(DL_LIBS)
-nq_glx_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIB_DEPS)
+nq_glx_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIB_DEPS)
 
 # ... Simple Directmedia Layer, version 1.1 and higher, in GL mode
 nq_sgl_SOURCES=	$(combined_SOURCES) $(ogl_SOURCES)
-nq_sgl_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIBS) $(X_LIBS) $(SDL_LIBS) $(GLX_LIBS) $(DL_LIBS)
+nq_sgl_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIBS) $(X_LIBS) $(SDL_LIBS) $(GLX_LIBS) $(DL_LIBS)
-nq_sgl_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIB_DEPS)
+nq_sgl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIB_DEPS)
 
 # ... SGI/Microsoft WGL (Windows OpenGL)
 nq_wgl_SOURCES=	$(combined_SOURCES) $(ogl_SOURCES) conproc.c
-nq_wgl_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIBS) $(GLX_LIBS) -lgdi32 -lcomctl32 -lwinmm
+nq_wgl_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIBS) $(GLX_LIBS) -lgdi32 -lcomctl32 -lwinmm
-nq_wgl_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIB_DEPS)
+nq_wgl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIB_DEPS)
 
 # Dedicated Server
 ded_SOURCES=	sys_unixd.c sv_ded.c

nq/source/d_copy.S

@@ -1,176 +0,0 @@
-/*
-	d_copy.S
-	
-	x86 assembly-language screen copying code.
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "QF/asm_i386.h"
-#include "quakeasm.h"
-#include "asm_draw.h"
-
-#ifdef USE_INTEL_ASM
-	.data
-
-LCopyWidth:		.long	0
-LBlockSrcStep:	.long	0
-LBlockDestStep:	.long	0
-LSrcDelta:		.long	0
-LDestDelta:		.long	0
-
-#define bufptr	4+16
-
-// copies 16 rows per plane at a pop; idea is that 16*512 = 8k, and since
-// no Mode X mode is wider than 360, all the data should fit in the cache for
-// the passes for the next 3 planes
-
-	.text
-
-.globl C(VGA_UpdatePlanarScreen)
-C(VGA_UpdatePlanarScreen):
-	pushl	%ebp				// preserve caller's stack frame
-	pushl	%edi
-	pushl	%esi				// preserve register variables
-	pushl	%ebx
-
-	movl	C(VGA_bufferrowbytes),%eax
-	shll	$1,%eax
-	movl	%eax,LBlockSrcStep
-	movl	C(VGA_rowbytes),%eax
-	shll	$1,%eax
-	movl	%eax,LBlockDestStep
-
-	movl	$0x3C4,%edx
-	movb	$2,%al
-	outb	%al,%dx		// point the SC to the Map Mask
-	incl	%edx
-
-	movl	bufptr(%esp),%esi
-	movl	C(VGA_pagebase),%edi
-	movl	C(VGA_height),%ebp
-	shrl	$1,%ebp
-
-	movl	C(VGA_width),%ecx
-	movl	C(VGA_bufferrowbytes),%eax
-	subl	%ecx,%eax
-	movl	%eax,LSrcDelta
-	movl	C(VGA_rowbytes),%eax
-	shll	$2,%eax
-	subl	%ecx,%eax
-	movl	%eax,LDestDelta
-	shrl	$4,%ecx
-	movl	%ecx,LCopyWidth
-
-LRowLoop:
-	movb	$1,%al
-
-LPlaneLoop:
-	outb	%al,%dx
-	movb	$2,%ah
-
-	pushl	%esi
-	pushl	%edi
-LRowSetLoop:
-	movl	LCopyWidth,%ecx
-LColumnLoop:
-	movb	12(%esi),%bh
-	movb	8(%esi),%bl
-	shll	$16,%ebx
-	movb	4(%esi),%bh
-	movb	(%esi),%bl
-	movl	%ebx,(%edi)
-	addl	$16,%esi
-	addl	$4,%edi
-	decl	%ecx
-	jnz		LColumnLoop
-
-	addl	LDestDelta,%edi
-	addl	LSrcDelta,%esi
-	decb	%ah
-	jnz		LRowSetLoop
-
-	popl	%edi
-	popl	%esi
-	incl	%esi
-
-	shlb	$1,%al
-	cmpb	$16,%al
-	jnz		LPlaneLoop
-
-	subl	$4,%esi
-	addl	LBlockSrcStep,%esi
-	addl	LBlockDestStep,%edi
-	decl	%ebp
-	jnz		LRowLoop
-
-	popl	%ebx				// restore register variables
-	popl	%esi
-	popl	%edi
-	popl	%ebp				// restore the caller's stack frame
-
-	ret
-
-
-#define srcptr			4+16
-#define destptr			8+16
-#define width			12+16
-#define height			16+16
-#define srcrowbytes		20+16
-#define destrowbytes	24+16
-
-.globl C(VGA_UpdateLinearScreen)
-C(VGA_UpdateLinearScreen):
-	pushl	%ebp				// preserve caller's stack frame
-	pushl	%edi
-	pushl	%esi				// preserve register variables
-	pushl	%ebx
-
-	cld
-	movl	srcptr(%esp),%esi
-	movl	destptr(%esp),%edi
-	movl	width(%esp),%ebx
-	movl	srcrowbytes(%esp),%eax
-	subl	%ebx,%eax
-	movl	destrowbytes(%esp),%edx
-	subl	%ebx,%edx
-	shrl	$2,%ebx
-	movl	height(%esp),%ebp
-LLRowLoop:
-	movl	%ebx,%ecx
-	rep/movsl	(%esi),(%edi)
-	addl	%eax,%esi
-	addl	%edx,%edi
-	decl	%ebp
-	jnz		LLRowLoop
-
-	popl	%ebx				// restore register variables
-	popl	%esi
-	popl	%edi
-	popl	%ebp				// restore the caller's stack frame
-
-	ret
-#endif /* USE_INTEL_ASM */

nq/source/d_scan.c

@@ -1,422 +0,0 @@
-/*
-	d_scan.c
-
-	Portable C scan-level rasterization code, all pixel depths.
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "client.h"
-#include "d_local.h"
-#include "r_local.h"
-#include "QF/render.h"
-
-unsigned char *r_turb_pbase, *r_turb_pdest;
-fixed16_t   r_turb_s, r_turb_t, r_turb_sstep, r_turb_tstep;
-int        *r_turb_turb;
-int         r_turb_spancount;
-
-void        D_DrawTurbulent8Span (void);
-
-
-/*
-	D_WarpScreen
-
-	this performs a slight compression of the screen at the same time as
-	the sine warp, to keep the edges from wrapping
-*/
-void
-D_WarpScreen (void)
-{
-	int         w, h;
-	int         u, v;
-	byte       *dest;
-	int        *turb;
-	int        *col;
-	byte      **row;
-	byte       *rowptr[1024];
-	int         column[1280];
-	float       wratio, hratio;
-
-	w = r_refdef.vrect.width;
-	h = r_refdef.vrect.height;
-
-	wratio = w / (float) scr_vrect.width;
-	hratio = h / (float) scr_vrect.height;
-
-	for (v = 0; v < scr_vrect.height + AMP2 * 2; v++) {
-		rowptr[v] = d_viewbuffer + (r_refdef.vrect.y * screenwidth) +
-			(screenwidth * (int) ((float) v * hratio * h / (h + AMP2 * 2)));
-	}
-
-	for (u = 0; u < scr_vrect.width + AMP2 * 2; u++) {
-		column[u] = r_refdef.vrect.x +
-			(int) ((float) u * wratio * w / (w + AMP2 * 2));
-	}
-
-	turb = intsintable + ((int) (cl.time * SPEED) & (CYCLE - 1));
-	dest = vid.buffer + scr_vrect.y * vid.rowbytes + scr_vrect.x;
-
-	for (v = 0; v < scr_vrect.height; v++, dest += vid.rowbytes) {
-		col = &column[turb[v]];
-		row = &rowptr[v];
-		for (u = 0; u < scr_vrect.width; u += 4) {
-			dest[u + 0] = row[turb[u + 0]][col[u + 0]];
-			dest[u + 1] = row[turb[u + 1]][col[u + 1]];
-			dest[u + 2] = row[turb[u + 2]][col[u + 2]];
-			dest[u + 3] = row[turb[u + 3]][col[u + 3]];
-		}
-	}
-}
-
-
-#ifndef USE_INTEL_ASM
-void
-D_DrawTurbulent8Span (void)
-{
-	int         sturb, tturb;
-
-	do {
-		sturb =
-			((r_turb_s + r_turb_turb[(r_turb_t >> 16) & (CYCLE - 1)]) >> 16) &
-			63;
-		tturb =
-			((r_turb_t + r_turb_turb[(r_turb_s >> 16) & (CYCLE - 1)]) >> 16) &
-			63;
-		*r_turb_pdest++ = *(r_turb_pbase + (tturb << 6) + sturb);
-		r_turb_s += r_turb_sstep;
-		r_turb_t += r_turb_tstep;
-	} while (--r_turb_spancount > 0);
-}
-#endif // !USE_INTEL_ASM
-
-
-void
-Turbulent8 (espan_t *pspan)
-{
-	int         count;
-	fixed16_t   snext, tnext;
-	float       sdivz, tdivz, zi, z, du, dv, spancountminus1;
-	float       sdivz16stepu, tdivz16stepu, zi16stepu;
-
-	r_turb_turb = sintable + ((int) (cl.time * SPEED) & (CYCLE - 1));
-
-	r_turb_sstep = 0;					// keep compiler happy
-	r_turb_tstep = 0;					// ditto
-
-	r_turb_pbase = (unsigned char *) cacheblock;
-
-	sdivz16stepu = d_sdivzstepu * 16;
-	tdivz16stepu = d_tdivzstepu * 16;
-	zi16stepu = d_zistepu * 16;
-
-	do {
-		r_turb_pdest = (unsigned char *) ((byte *) d_viewbuffer +
-										  (screenwidth * pspan->v) + pspan->u);
-
-		count = pspan->count;
-
-		// calculate the initial s/z, t/z, 1/z, s, and t and clamp
-		du = (float) pspan->u;
-		dv = (float) pspan->v;
-
-		sdivz = d_sdivzorigin + dv * d_sdivzstepv + du * d_sdivzstepu;
-		tdivz = d_tdivzorigin + dv * d_tdivzstepv + du * d_tdivzstepu;
-		zi = d_ziorigin + dv * d_zistepv + du * d_zistepu;
-		z = (float) 0x10000 / zi;		// prescale to 16.16 fixed-point
-
-		r_turb_s = (int) (sdivz * z) + sadjust;
-		if (r_turb_s > bbextents)
-			r_turb_s = bbextents;
-		else if (r_turb_s < 0)
-			r_turb_s = 0;
-
-		r_turb_t = (int) (tdivz * z) + tadjust;
-		if (r_turb_t > bbextentt)
-			r_turb_t = bbextentt;
-		else if (r_turb_t < 0)
-			r_turb_t = 0;
-
-		do {
-			// calculate s and t at the far end of the span
-			if (count >= 16)
-				r_turb_spancount = 16;
-			else
-				r_turb_spancount = count;
-
-			count -= r_turb_spancount;
-
-			if (count) {
-				// calculate s/z, t/z, zi->fixed s and t at far end of span,
-				// calculate s and t steps across span by shifting
-				sdivz += sdivz16stepu;
-				tdivz += tdivz16stepu;
-				zi += zi16stepu;
-				z = (float) 0x10000 / zi;	// prescale to 16.16 fixed-point
-
-				snext = (int) (sdivz * z) + sadjust;
-				if (snext > bbextents)
-					snext = bbextents;
-				else if (snext < 16)
-					snext = 16;			// prevent round-off error on <0
-										// steps from
-				// from causing overstepping & running off the
-				// edge of the texture
-
-				tnext = (int) (tdivz * z) + tadjust;
-				if (tnext > bbextentt)
-					tnext = bbextentt;
-				else if (tnext < 16)
-					tnext = 16;			// guard against round-off error on
-										// <0 steps
-
-				r_turb_sstep = (snext - r_turb_s) >> 4;
-				r_turb_tstep = (tnext - r_turb_t) >> 4;
-			} else {
-				// calculate s/z, t/z, zi->fixed s and t at last pixel in
-				// span (so can't step off polygon), clamp, calculate s and t
-				// steps across span by division, biasing steps low so we
-				// don't run off the texture
-				spancountminus1 = (float) (r_turb_spancount - 1);
-				sdivz += d_sdivzstepu * spancountminus1;
-				tdivz += d_tdivzstepu * spancountminus1;
-				zi += d_zistepu * spancountminus1;
-				z = (float) 0x10000 / zi;	// prescale to 16.16 fixed-point
-				snext = (int) (sdivz * z) + sadjust;
-				if (snext > bbextents)
-					snext = bbextents;
-				else if (snext < 16)
-					snext = 16;			// prevent round-off error on <0 steps
-										// from causing overstepping & running
-										// off the edge of the texture
-
-				tnext = (int) (tdivz * z) + tadjust;
-				if (tnext > bbextentt)
-					tnext = bbextentt;
-				else if (tnext < 16)
-					tnext = 16;			// guard against round-off error on
-										// <0 steps
-
-				if (r_turb_spancount > 1) {
-					r_turb_sstep = (snext - r_turb_s) / (r_turb_spancount - 1);
-					r_turb_tstep = (tnext - r_turb_t) / (r_turb_spancount - 1);
-				}
-			}
-
-			r_turb_s = r_turb_s & ((CYCLE << 16) - 1);
-			r_turb_t = r_turb_t & ((CYCLE << 16) - 1);
-
-			D_DrawTurbulent8Span ();
-
-			r_turb_s = snext;
-			r_turb_t = tnext;
-
-		} while (count > 0);
-
-	} while ((pspan = pspan->pnext) != NULL);
-}
-
-
-#ifndef USE_INTEL_ASM
-void
-D_DrawSpans8 (espan_t *pspan)
-{
-	int         count, spancount;
-	unsigned char *pbase, *pdest;
-	fixed16_t   s, t, snext, tnext, sstep, tstep;
-	float       sdivz, tdivz, zi, z, du, dv, spancountminus1;
-	float       sdivz8stepu, tdivz8stepu, zi8stepu;
-
-	sstep = 0;							// keep compiler happy
-	tstep = 0;							// ditto
-
-	pbase = (unsigned char *) cacheblock;
-
-	sdivz8stepu = d_sdivzstepu * 8;
-	tdivz8stepu = d_tdivzstepu * 8;
-	zi8stepu = d_zistepu * 8;
-
-	do {
-		pdest = (unsigned char *) ((byte *) d_viewbuffer +
-								   (screenwidth * pspan->v) + pspan->u);
-
-		count = pspan->count;
-
-		// calculate the initial s/z, t/z, 1/z, s, and t and clamp
-		du = (float) pspan->u;
-		dv = (float) pspan->v;
-
-		sdivz = d_sdivzorigin + dv * d_sdivzstepv + du * d_sdivzstepu;
-		tdivz = d_tdivzorigin + dv * d_tdivzstepv + du * d_tdivzstepu;
-		zi = d_ziorigin + dv * d_zistepv + du * d_zistepu;
-		z = (float) 0x10000 / zi;		// prescale to 16.16 fixed-point
-
-		s = (int) (sdivz * z) + sadjust;
-		if (s > bbextents)
-			s = bbextents;
-		else if (s < 0)
-			s = 0;
-
-		t = (int) (tdivz * z) + tadjust;
-		if (t > bbextentt)
-			t = bbextentt;
-		else if (t < 0)
-			t = 0;
-
-		do {
-			// calculate s and t at the far end of the span
-			if (count >= 8)
-				spancount = 8;
-			else
-				spancount = count;
-
-			count -= spancount;
-
-			if (count) {
-				// calculate s/z, t/z, zi->fixed s and t at far end of span,
-				// calculate s and t steps across span by shifting
-				sdivz += sdivz8stepu;
-				tdivz += tdivz8stepu;
-				zi += zi8stepu;
-				z = (float) 0x10000 / zi;	// prescale to 16.16 fixed-point
-
-				snext = (int) (sdivz * z) + sadjust;
-				if (snext > bbextents)
-					snext = bbextents;
-				else if (snext < 8)
-					snext = 8;			// prevent round-off error on <0
-										// steps from
-				// from causing overstepping & running off the
-				// edge of the texture
-
-				tnext = (int) (tdivz * z) + tadjust;
-				if (tnext > bbextentt)
-					tnext = bbextentt;
-				else if (tnext < 8)
-					tnext = 8;			// guard against round-off error on
-										// <0 steps
-
-				sstep = (snext - s) >> 3;
-				tstep = (tnext - t) >> 3;
-			} else {
-				// calculate s/z, t/z, zi->fixed s and t at last pixel in span
-				// (so can't step off polygon), clamp, calculate s and t steps
-				// across span by division, biasing steps low so we don't run
-				// off the texture
-				spancountminus1 = (float) (spancount - 1);
-				sdivz += d_sdivzstepu * spancountminus1;
-				tdivz += d_tdivzstepu * spancountminus1;
-				zi += d_zistepu * spancountminus1;
-				z = (float) 0x10000 / zi;	// prescale to 16.16 fixed-point
-				snext = (int) (sdivz * z) + sadjust;
-				if (snext > bbextents)
-					snext = bbextents;
-				else if (snext < 8)
-					snext = 8;			// prevent round-off error on <0 steps
-										// from from causing overstepping &
-										// running off the edge of the texture
-
-				tnext = (int) (tdivz * z) + tadjust;
-				if (tnext > bbextentt)
-					tnext = bbextentt;
-				else if (tnext < 8)
-					tnext = 8;			// guard against round-off error on
-										// <0 steps
-
-				if (spancount > 1) {
-					sstep = (snext - s) / (spancount - 1);
-					tstep = (tnext - t) / (spancount - 1);
-				}
-			}
-
-			do {
-				*pdest++ = *(pbase + (s >> 16) + (t >> 16) * cachewidth);
-				s += sstep;
-				t += tstep;
-			} while (--spancount > 0);
-
-			s = snext;
-			t = tnext;
-
-		} while (count > 0);
-
-	} while ((pspan = pspan->pnext) != NULL);
-}
-#endif
-
-
-#ifndef USE_INTEL_ASM
-void
-D_DrawZSpans (espan_t *pspan)
-{
-	int         count, doublecount, izistep;
-	int         izi;
-	short      *pdest;
-	unsigned int ltemp;
-	double      zi;
-	float       du, dv;
-
-// FIXME: check for clamping/range problems
-// we count on FP exceptions being turned off to avoid range problems
-	izistep = (int) (d_zistepu * 0x8000 * 0x10000);
-
-	do {
-		pdest = d_pzbuffer + (d_zwidth * pspan->v) + pspan->u;
-
-		count = pspan->count;
-
-		// calculate the initial 1/z
-		du = (float) pspan->u;
-		dv = (float) pspan->v;
-
-		zi = d_ziorigin + dv * d_zistepv + du * d_zistepu;
-		// we count on FP exceptions being turned off to avoid range problems
-		izi = (int) (zi * 0x8000 * 0x10000);
-
-		if ((long) pdest & 0x02) {
-			*pdest++ = (short) (izi >> 16);
-			izi += izistep;
-			count--;
-		}
-
-		if ((doublecount = count >> 1) > 0) {
-			do {
-				ltemp = izi >> 16;
-				izi += izistep;
-				ltemp |= izi & 0xFFFF0000;
-				izi += izistep;
-				*(int *) pdest = ltemp;
-				pdest += 2;
-			} while (--doublecount > 0);
-		}
-
-		if (count & 1)
-			*pdest = (short) (izi >> 16);
-
-	} while ((pspan = pspan->pnext) != NULL);
-}
-#endif

nq/source/d_vars.c

@@ -1,58 +0,0 @@
-/*
-	d_vars.c
-
-	global refresh variables
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifndef USE_INTEL_ASM
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "host.h"
-
-// all global and static refresh variables are collected in a contiguous block
-// to avoid cache conflicts.
-
-// global refresh variables -----------------------------
-
-// FIXME: make into one big structure, like cl or sv
-// FIXME: do separately for refresh engine and driver
-
-float       d_sdivzstepu, d_tdivzstepu, d_zistepu;
-float       d_sdivzstepv, d_tdivzstepv, d_zistepv;
-float       d_sdivzorigin, d_tdivzorigin, d_ziorigin;
-
-fixed16_t   sadjust, tadjust, bbextents, bbextentt;
-
-pixel_t    *cacheblock;
-int         cachewidth;
-pixel_t    *d_viewbuffer;
-short      *d_pzbuffer;
-unsigned int d_zrowbytes;
-unsigned int d_zwidth;
-
-#endif // !USE_INTEL_ASM

nq/source/draw.c

@@ -1,834 +0,0 @@
-/*
-	draw.c
-
-	this is the only file outside the refresh that touches the vid buffer
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-
-#include "QF/console.h"
-#include "QF/draw.h"
-#include "QF/quakefs.h"
-#include "QF/sound.h"
-#include "QF/sys.h"
-
-#include "client.h"
-#include "d_iface.h"
-#include "r_cvar.h"
-
-typedef struct {
-	vrect_t     rect;
-	int         width;
-	int         height;
-	byte       *ptexbytes;
-	int         rowbytes;
-} rectdesc_t;
-
-static rectdesc_t r_rectdesc;
-
-byte       *draw_chars;					// 8*8 graphic characters
-qpic_t     *draw_disc;
-qpic_t     *draw_backtile;
-
-
-/* Support Routines */
-
-typedef struct cachepic_s {
-	char        name[MAX_QPATH];
-	cache_user_t cache;
-} cachepic_t;
-
-#define	MAX_CACHED_PICS		128
-cachepic_t  cachepics[MAX_CACHED_PICS];
-int         numcachepics;
-
-
-qpic_t *
-Draw_PicFromWad (char *name)
-{
-	return W_GetLumpName (name);
-}
-
-
-/*
-	Draw_ClearCache
-
-	This is a no-op in software targets
-*/
-void
-Draw_ClearCache (void)
-{
-}
-
-
-qpic_t *
-Draw_CachePic (char *path, qboolean alpha)
-{
-	cachepic_t *pic;
-	int         i;
-	qpic_t     *dat;
-
-	for (pic = cachepics, i = 0; i < numcachepics; pic++, i++)
-		if (!strcmp (path, pic->name))
-			break;
-
-	if (i == numcachepics) {
-		if (numcachepics == MAX_CACHED_PICS)
-			Sys_Error ("menu_numcachepics == MAX_CACHED_PICS");
-		numcachepics++;
-		strcpy (pic->name, path);
-	}
-
-	dat = Cache_Check (&pic->cache);
-
-	if (dat)
-		return dat;
-
-	// load the pic from disk
-	COM_LoadCacheFile (path, &pic->cache);
-
-	dat = (qpic_t *) pic->cache.data;
-	if (!dat) {
-		Sys_Error ("Draw_CachePic: failed to load %s", path);
-	}
-
-	SwapPic (dat);
-
-	return dat;
-}
-
-
-void
-Draw_TextBox (int x, int y, int width, int lines)
-{
-	qpic_t     *p;
-	int         cx, cy;
-	int         n;
-
-	// draw left side
-	cx = x;
-	cy = y;
-	p = Draw_CachePic ("gfx/box_tl.lmp", true);
-	Draw_Pic (cx, cy, p);
-	p = Draw_CachePic ("gfx/box_ml.lmp", true);
-	for (n = 0; n < lines; n++) {
-		cy += 8;
-		Draw_Pic (cx, cy, p);
-	}
-	p = Draw_CachePic ("gfx/box_bl.lmp", true);
-	Draw_Pic (cx, cy + 8, p);
-
-	// draw middle
-	cx += 8;
-	while (width > 0) {
-		cy = y;
-		p = Draw_CachePic ("gfx/box_tm.lmp", true);
-		Draw_Pic (cx, cy, p);
-		p = Draw_CachePic ("gfx/box_mm.lmp", true);
-		for (n = 0; n < lines; n++) {
-			cy += 8;
-			if (n == 1)
-				p = Draw_CachePic ("gfx/box_mm2.lmp", true);
-			Draw_Pic (cx, cy, p);
-		}
-		p = Draw_CachePic ("gfx/box_bm.lmp", true);
-		Draw_Pic (cx, cy + 8, p);
-		width -= 2;
-		cx += 16;
-	}
-
-	// draw right side
-	cy = y;
-	p = Draw_CachePic ("gfx/box_tr.lmp", true);
-	Draw_Pic (cx, cy, p);
-	p = Draw_CachePic ("gfx/box_mr.lmp", true);
-	for (n = 0; n < lines; n++) {
-		cy += 8;
-		Draw_Pic (cx, cy, p);
-	}
-	p = Draw_CachePic ("gfx/box_br.lmp", true);
-	Draw_Pic (cx, cy + 8, p);
-}
-
-
-void
-Draw_Init (void)
-{
-	draw_chars = W_GetLumpName ("conchars");
-	draw_disc = W_GetLumpName ("disc");
-	draw_backtile = W_GetLumpName ("backtile");
-
-	r_rectdesc.width = draw_backtile->width;
-	r_rectdesc.height = draw_backtile->height;
-	r_rectdesc.ptexbytes = draw_backtile->data;
-	r_rectdesc.rowbytes = draw_backtile->width;
-}
-
-
-/*
-	Draw_Character8
-
-	Draws one 8*8 graphics character with 0 being transparent.
-	It can be clipped to the top of the screen to allow the console to be
-	smoothly scrolled off.
-*/
-void
-Draw_Character8 (int x, int y, int num)
-{
-	byte       *dest;
-	byte       *source;
-	unsigned short *pusdest;
-	int         drawline;
-	int         row, col;
-
-	num &= 255;
-
-	if (y <= -8)
-		return;							// totally off screen
-
-	if (y > vid.height - 8 || x < 0 || x > vid.width - 8)
-		return;
-	if (num < 0 || num > 255)
-		return;
-
-	row = num >> 4;
-	col = num & 15;
-	source = draw_chars + (row << 10) + (col << 3);
-
-	if (y < 0) {						// clipped
-		drawline = 8 + y;
-		source -= 128 * y;
-		y = 0;
-	} else
-		drawline = 8;
-
-
-	if (r_pixbytes == 1) {
-		dest = vid.conbuffer + y * vid.conrowbytes + x;
-
-		while (drawline--) {
-			if (source[0])
-				dest[0] = source[0];
-			if (source[1])
-				dest[1] = source[1];
-			if (source[2])
-				dest[2] = source[2];
-			if (source[3])
-				dest[3] = source[3];
-			if (source[4])
-				dest[4] = source[4];
-			if (source[5])
-				dest[5] = source[5];
-			if (source[6])
-				dest[6] = source[6];
-			if (source[7])
-				dest[7] = source[7];
-			source += 128;
-			dest += vid.conrowbytes;
-		}
-	} else {
-// FIXME: pre-expand to native format?
-		pusdest = (unsigned short *)
-			((byte *) vid.conbuffer + y * vid.conrowbytes + (x << 1));
-
-		while (drawline--) {
-			if (source[0])
-				pusdest[0] = d_8to16table[source[0]];
-			if (source[1])
-				pusdest[1] = d_8to16table[source[1]];
-			if (source[2])
-				pusdest[2] = d_8to16table[source[2]];
-			if (source[3])
-				pusdest[3] = d_8to16table[source[3]];
-			if (source[4])
-				pusdest[4] = d_8to16table[source[4]];
-			if (source[5])
-				pusdest[5] = d_8to16table[source[5]];
-			if (source[6])
-				pusdest[6] = d_8to16table[source[6]];
-			if (source[7])
-				pusdest[7] = d_8to16table[source[7]];
-
-			source += 128;
-			pusdest += (vid.conrowbytes >> 1);
-		}
-	}
-}
-
-
-void
-Draw_String8 (int x, int y, char *str)
-{
-	while (*str) {
-		Draw_Character8 (x, y, *str);
-		str++;
-		x += 8;
-	}
-}
-
-
-void
-Draw_AltString8 (int x, int y, char *str)
-{
-	while (*str) {
-		Draw_Character8 (x, y, (*str) | 0x80);
-		str++;
-		x += 8;
-	}
-}
-
-
-void
-Draw_Pixel (int x, int y, byte color)
-{
-	byte       *dest;
-	unsigned short *pusdest;
-
-	if (r_pixbytes == 1) {
-		dest = vid.conbuffer + y * vid.conrowbytes + x;
-		*dest = color;
-	} else {
-// FIXME: pre-expand to native format?
-		pusdest = (unsigned short *)
-			((byte *) vid.conbuffer + y * vid.conrowbytes + (x << 1));
-		*pusdest = d_8to16table[color];
-	}
-}
-
-
-void
-Draw_Crosshair (int swap)
-{
-	int         x, y;
-	extern cvar_t *crosshair, *cl_crossx, *cl_crossy, *crosshaircolor;
-	extern vrect_t scr_vrect;
-	byte        c = crosshaircolor->int_val;
-
-	if (crosshair->int_val == 2) {
-		x = scr_vrect.x + scr_vrect.width / 2 + cl_crossx->int_val;
-		y = scr_vrect.y + scr_vrect.height / 2 + cl_crossy->int_val;
-		Draw_Pixel (x - 1, y, c);
-		Draw_Pixel (x - 3, y, c);
-		Draw_Pixel (x + 1, y, c);
-		Draw_Pixel (x + 3, y, c);
-		Draw_Pixel (x, y - 1, c);
-		Draw_Pixel (x, y - 3, c);
-		Draw_Pixel (x, y + 1, c);
-		Draw_Pixel (x, y + 3, c);
-	} else if (crosshair->int_val)
-		Draw_Character8 (scr_vrect.x + scr_vrect.width / 2 - 4 +
-						 cl_crossx->int_val,
-						 scr_vrect.y + scr_vrect.height / 2 - 4 +
-						 cl_crossy->int_val, '+');
-}
-
-
-void
-Draw_Pic (int x, int y, qpic_t *pic)
-{
-	byte       *dest, *source, tbyte;
-	unsigned short *pusdest;
-	int         v, u;
-
-	if (x < 0 || (unsigned int) (x + pic->width) > vid.width || y < 0 ||
-		(unsigned int) (y + pic->height) > vid.height) {
-		Sys_Error ("Draw_Pic: bad coordinates");
-	}
-
-	source = pic->data;
-
-	if (r_pixbytes == 1) {
-		dest = vid.buffer + y * vid.rowbytes + x;
-
-		if (pic->width & 7) {			// general
-			for (v = 0; v < pic->height; v++) {
-				for (u = 0; u < pic->width; u++)
-					if ((tbyte = source[u]) != TRANSPARENT_COLOR)
-						dest[u] = tbyte;
-
-				dest += vid.rowbytes;
-				source += pic->width;
-			}
-		} else {						// unwound
-			for (v = 0; v < pic->height; v++) {
-				for (u = 0; u < pic->width; u += 8) {
-					if ((tbyte = source[u]) != TRANSPARENT_COLOR)
-						dest[u] = tbyte;
-					if ((tbyte = source[u + 1]) != TRANSPARENT_COLOR)
-						dest[u + 1] = tbyte;
-					if ((tbyte = source[u + 2]) != TRANSPARENT_COLOR)
-						dest[u + 2] = tbyte;
-					if ((tbyte = source[u + 3]) != TRANSPARENT_COLOR)
-						dest[u + 3] = tbyte;
-					if ((tbyte = source[u + 4]) != TRANSPARENT_COLOR)
-						dest[u + 4] = tbyte;
-					if ((tbyte = source[u + 5]) != TRANSPARENT_COLOR)
-						dest[u + 5] = tbyte;
-					if ((tbyte = source[u + 6]) != TRANSPARENT_COLOR)
-						dest[u + 6] = tbyte;
-					if ((tbyte = source[u + 7]) != TRANSPARENT_COLOR)
-						dest[u + 7] = tbyte;
-				}
-				dest += vid.rowbytes;
-				source += pic->width;
-			}
-		}
-	} else {
-// FIXME: pretranslate at load time?
-		pusdest = (unsigned short *) vid.buffer + y * (vid.rowbytes >> 1) + x;
-
-		for (v = 0; v < pic->height; v++) {
-			for (u = 0; u < pic->width; u++) {
-				tbyte = source[u];
-
-				if (tbyte != TRANSPARENT_COLOR) {
-					pusdest[u] = d_8to16table[tbyte];
-				}
-			}
-
-			pusdest += vid.rowbytes >> 1;
-			source += pic->width;
-		}
-	}
-}
-
-
-void
-Draw_SubPic (int x, int y, qpic_t *pic, int srcx, int srcy, int width,
-			 int height)
-{
-	byte       *dest, *source;
-	unsigned short *pusdest;
-	int         v, u;
-
-	if ((x < 0) ||
-		(x + width > vid.width) || (y < 0) || (y + height > vid.height)) {
-		Sys_Error ("Draw_Pic: bad coordinates");
-	}
-
-	source = pic->data + srcy * pic->width + srcx;
-
-	if (r_pixbytes == 1) {
-		dest = vid.buffer + y * vid.rowbytes + x;
-
-		for (v = 0; v < height; v++) {
-			memcpy (dest, source, width);
-			dest += vid.rowbytes;
-			source += pic->width;
-		}
-	} else {
-// FIXME: pretranslate at load time?
-		pusdest = (unsigned short *) vid.buffer + y * (vid.rowbytes >> 1) + x;
-
-		for (v = 0; v < height; v++) {
-			for (u = srcx; u < (srcx + width); u++) {
-				pusdest[u] = d_8to16table[source[u]];
-			}
-
-			pusdest += vid.rowbytes >> 1;
-			source += pic->width;
-		}
-	}
-}
-
-
-void
-Draw_TransPicTranslate (int x, int y, qpic_t *pic, byte * translation)
-{
-	byte       *dest, *source, tbyte;
-	unsigned short *pusdest;
-	int         v, u;
-
-	if (x < 0 || (unsigned int) (x + pic->width) > vid.width || y < 0 ||
-		(unsigned int) (y + pic->height) > vid.height) {
-		Sys_Error ("Draw_TransPic: bad coordinates");
-	}
-
-	source = pic->data;
-
-	if (r_pixbytes == 1) {
-		dest = vid.buffer + y * vid.rowbytes + x;
-
-		if (pic->width & 7) {			// general
-			for (v = 0; v < pic->height; v++) {
-				for (u = 0; u < pic->width; u++)
-					if ((tbyte = source[u]) != TRANSPARENT_COLOR)
-						dest[u] = translation[tbyte];
-
-				dest += vid.rowbytes;
-				source += pic->width;
-			}
-		} else {						// unwound
-			for (v = 0; v < pic->height; v++) {
-				for (u = 0; u < pic->width; u += 8) {
-					if ((tbyte = source[u]) != TRANSPARENT_COLOR)
-						dest[u] = translation[tbyte];
-					if ((tbyte = source[u + 1]) != TRANSPARENT_COLOR)
-						dest[u + 1] = translation[tbyte];
-					if ((tbyte = source[u + 2]) != TRANSPARENT_COLOR)
-						dest[u + 2] = translation[tbyte];
-					if ((tbyte = source[u + 3]) != TRANSPARENT_COLOR)
-						dest[u + 3] = translation[tbyte];
-					if ((tbyte = source[u + 4]) != TRANSPARENT_COLOR)
-						dest[u + 4] = translation[tbyte];
-					if ((tbyte = source[u + 5]) != TRANSPARENT_COLOR)
-						dest[u + 5] = translation[tbyte];
-					if ((tbyte = source[u + 6]) != TRANSPARENT_COLOR)
-						dest[u + 6] = translation[tbyte];
-					if ((tbyte = source[u + 7]) != TRANSPARENT_COLOR)
-						dest[u + 7] = translation[tbyte];
-				}
-				dest += vid.rowbytes;
-				source += pic->width;
-			}
-		}
-	} else {
-// FIXME: pretranslate at load time?
-		pusdest = (unsigned short *) vid.buffer + y * (vid.rowbytes >> 1) + x;
-
-		for (v = 0; v < pic->height; v++) {
-			for (u = 0; u < pic->width; u++) {
-				tbyte = source[u];
-
-				if (tbyte != TRANSPARENT_COLOR) {
-					pusdest[u] = d_8to16table[tbyte];
-				}
-			}
-
-			pusdest += vid.rowbytes >> 1;
-			source += pic->width;
-		}
-	}
-}
-
-
-void
-Draw_ConsoleBackground (int lines)
-{
-	int         x, y, v;
-	byte       *src, *dest;
-	unsigned short *pusdest;
-	int         f, fstep;
-	qpic_t     *conback;
-
-	conback = Draw_CachePic ("gfx/conback.lmp", false);
-
-	// draw the pic
-	if (r_pixbytes == 1) {
-		dest = vid.conbuffer;
-
-		for (y = 0; y < lines; y++, dest += vid.conrowbytes) {
-			v = (vid.conheight - lines + y) * 200 / vid.conheight;
-			src = conback->data + v * 320;
-			if (vid.conwidth == 320)
-				memcpy (dest, src, vid.conwidth);
-			else {
-				f = 0;
-				fstep = 320 * 0x10000 / vid.conwidth;
-				for (x = 0; x < vid.conwidth; x += 4) {
-					dest[x] = src[f >> 16];
-					f += fstep;
-					dest[x + 1] = src[f >> 16];
-					f += fstep;
-					dest[x + 2] = src[f >> 16];
-					f += fstep;
-					dest[x + 3] = src[f >> 16];
-					f += fstep;
-				}
-			}
-		}
-	} else {
-		pusdest = (unsigned short *) vid.conbuffer;
-
-		for (y = 0; y < lines; y++, pusdest += (vid.conrowbytes >> 1)) {
-// FIXME: pre-expand to native format?
-// FIXME: does the endian switching go away in production?
-			v = (vid.conheight - lines + y) * 200 / vid.conheight;
-			src = conback->data + v * 320;
-			f = 0;
-			fstep = 320 * 0x10000 / vid.conwidth;
-			for (x = 0; x < vid.conwidth; x += 4) {
-				pusdest[x] = d_8to16table[src[f >> 16]];
-				f += fstep;
-				pusdest[x + 1] = d_8to16table[src[f >> 16]];
-				f += fstep;
-				pusdest[x + 2] = d_8to16table[src[f >> 16]];
-				f += fstep;
-				pusdest[x + 3] = d_8to16table[src[f >> 16]];
-				f += fstep;
-			}
-		}
-	}
-
-	Draw_AltString8 (vid.conwidth - strlen (cl_verstring->string)
-			 * 8 - 11, lines - 14, cl_verstring->string);
-}
-
-
-void
-R_DrawRect8 (vrect_t *prect, int rowbytes, byte * psrc, int transparent)
-{
-	byte        t;
-	int         i, j, srcdelta, destdelta;
-	byte       *pdest;
-
-	pdest = vid.buffer + (prect->y * vid.rowbytes) + prect->x;
-
-	srcdelta = rowbytes - prect->width;
-	destdelta = vid.rowbytes - prect->width;
-
-	if (transparent) {
-		for (i = 0; i < prect->height; i++) {
-			for (j = 0; j < prect->width; j++) {
-				t = *psrc;
-				if (t != TRANSPARENT_COLOR) {
-					*pdest = t;
-				}
-
-				psrc++;
-				pdest++;
-			}
-
-			psrc += srcdelta;
-			pdest += destdelta;
-		}
-	} else {
-		for (i = 0; i < prect->height; i++) {
-			memcpy (pdest, psrc, prect->width);
-			psrc += rowbytes;
-			pdest += vid.rowbytes;
-		}
-	}
-}
-
-
-void
-R_DrawRect16 (vrect_t *prect, int rowbytes, byte * psrc, int transparent)
-{
-	byte        t;
-	int         i, j, srcdelta, destdelta;
-	unsigned short *pdest;
-
-// FIXME: would it be better to pre-expand native-format versions?
-
-	pdest = (unsigned short *) vid.buffer +
-		(prect->y * (vid.rowbytes >> 1)) + prect->x;
-
-	srcdelta = rowbytes - prect->width;
-	destdelta = (vid.rowbytes >> 1) - prect->width;
-
-	if (transparent) {
-		for (i = 0; i < prect->height; i++) {
-			for (j = 0; j < prect->width; j++) {
-				t = *psrc;
-				if (t != TRANSPARENT_COLOR) {
-					*pdest = d_8to16table[t];
-				}
-
-				psrc++;
-				pdest++;
-			}
-
-			psrc += srcdelta;
-			pdest += destdelta;
-		}
-	} else {
-		for (i = 0; i < prect->height; i++) {
-			for (j = 0; j < prect->width; j++) {
-				*pdest = d_8to16table[*psrc];
-				psrc++;
-				pdest++;
-			}
-
-			psrc += srcdelta;
-			pdest += destdelta;
-		}
-	}
-}
-
-
-/*
-	Draw_TileClear
-
-	This repeats a 64*64 tile graphic to fill the screen around a sized down
-	refresh window.
-*/
-void
-Draw_TileClear (int x, int y, int w, int h)
-{
-	int         width, height, tileoffsetx, tileoffsety;
-	byte       *psrc;
-	vrect_t     vr;
-
-	r_rectdesc.rect.x = x;
-	r_rectdesc.rect.y = y;
-	r_rectdesc.rect.width = w;
-	r_rectdesc.rect.height = h;
-
-	vr.y = r_rectdesc.rect.y;
-	height = r_rectdesc.rect.height;
-
-	tileoffsety = vr.y % r_rectdesc.height;
-
-	while (height > 0) {
-		vr.x = r_rectdesc.rect.x;
-		width = r_rectdesc.rect.width;
-
-		if (tileoffsety != 0)
-			vr.height = r_rectdesc.height - tileoffsety;
-		else
-			vr.height = r_rectdesc.height;
-
-		if (vr.height > height)
-			vr.height = height;
-
-		tileoffsetx = vr.x % r_rectdesc.width;
-
-		while (width > 0) {
-			if (tileoffsetx != 0)
-				vr.width = r_rectdesc.width - tileoffsetx;
-			else
-				vr.width = r_rectdesc.width;
-
-			if (vr.width > width)
-				vr.width = width;
-
-			psrc = r_rectdesc.ptexbytes +
-				(tileoffsety * r_rectdesc.rowbytes) + tileoffsetx;
-
-			if (r_pixbytes == 1) {
-				R_DrawRect8 (&vr, r_rectdesc.rowbytes, psrc, 0);
-			} else {
-				R_DrawRect16 (&vr, r_rectdesc.rowbytes, psrc, 0);
-			}
-
-			vr.x += vr.width;
-			width -= vr.width;
-			tileoffsetx = 0;	// only the left tile can be left-clipped
-		}
-
-		vr.y += vr.height;
-		height -= vr.height;
-		tileoffsety = 0;		// only the top tile can be top-clipped
-	}
-}
-
-
-/*
-	Draw_Fill
-
-	Fills a box of pixels with a single color
-*/
-void
-Draw_Fill (int x, int y, int w, int h, int c)
-{
-	byte       *dest;
-	unsigned short *pusdest;
-	unsigned int uc;
-	int         u, v;
-
-	if (x < 0 || x + w > vid.width || y < 0 || y + h > vid.height) {
-		Con_Printf ("Bad Draw_Fill(%d, %d, %d, %d, %c)\n", x, y, w, h, c);
-		return;
-	}
-
-	if (r_pixbytes == 1) {
-		dest = vid.buffer + y * vid.rowbytes + x;
-		for (v = 0; v < h; v++, dest += vid.rowbytes)
-			for (u = 0; u < w; u++)
-				dest[u] = c;
-	} else {
-		uc = d_8to16table[c];
-
-		pusdest = (unsigned short *) vid.buffer + y * (vid.rowbytes >> 1) + x;
-		for (v = 0; v < h; v++, pusdest += (vid.rowbytes >> 1))
-			for (u = 0; u < w; u++)
-				pusdest[u] = uc;
-	}
-}
-
-
-void
-Draw_FadeScreen (void)
-{
-	int         x, y;
-	byte       *pbuf;
-
-	VID_UnlockBuffer ();
-	S_ExtraUpdate ();
-	VID_LockBuffer ();
-
-	for (y = 0; y < vid.height; y++) {
-		int         t;
-
-		pbuf = (byte *) (vid.buffer + vid.rowbytes * y);
-		t = (y & 1) << 1;
-
-		for (x = 0; x < vid.width; x++) {
-			if ((x & 3) != t)
-				pbuf[x] = 0;
-		}
-	}
-
-	VID_UnlockBuffer ();
-	S_ExtraUpdate ();
-	VID_LockBuffer ();
-}
-
-
-/*
-	Draw_BeginDisc
-
-	Draws the little blue disc in the corner of the screen.
-	Call before beginning any disc IO.
-*/
-void
-Draw_BeginDisc (void)
-{
-
-	D_BeginDirectRect (vid.width - 24, 0, draw_disc->data, 24, 24);
-}
-
-
-/*
-	Draw_EndDisc
-
-	Erases the disc icon.
-	Call after completing any disc IO
-*/
-void
-Draw_EndDisc (void)
-{
-
-	D_EndDirectRect (vid.width - 24, 0, 24, 24);
-}

nq/source/host.c

@@ -712,6 +712,7 @@ _Host_Frame (float time)
 	r_paused = cl.paused;
 	r_active = cls.state == ca_active;
 	r_view_model = &cl.viewent;
+	r_frametime = host_frametime;
 
 	CL_UpdateScreen (cl.time);
 

qw/source/Makefile.am

@@ -97,78 +97,66 @@ client_LIB_DEPS=	libqfnet.a $(qf_client_LIBS)
 client_SOURCES= cl_cam.c cl_cmd.c cl_cvar.c cl_demo.c cl_ents.c cl_input.c \
 		cl_main.c cl_misc.c cl_ngraph.c cl_parse.c cl_screen.c cl_pred.c \
 		cl_skin.c cl_slist.c cl_tent.c \
-		console.c keys.c locs.c nonintel.c pcx.c r_cvar.c r_efrag.c \
+		console.c keys.c locs.c nonintel.c pcx.c \
-		r_ent.c r_graph.c r_main.c r_view.c sbar.c skin.c teamplay.c tga.c \
+		r_view.c sbar.c skin.c teamplay.c tga.c \
 		wad.c cl_math.S $(syscl_SRC)
 
 # Software-rendering clients
 #
 # ... Common stuff
 
-soft_SOURCES=	d_edge.c d_fill.c d_init.c d_modech.c \
+soft_SOURCES=	sw_rpart.c sw_view.c
-		d_part.c d_polyse.c d_scan.c d_sky.c d_sprite.c d_surf.c \
-		d_vars.c d_zpoint.c draw.c sw_graph.c sw_raclip.c sw_ralias.c sw_rbsp.c \
-		sw_rdraw.c sw_redge.c sw_rlight.c sw_rmain.c sw_rmisc.c \
-		sw_rpart.c sw_rsky.c sw_rsprite.c sw_rsurf.c sw_skin.c \
-		sw_view.c screen.c \
-		\
-		d_draw.S d_draw16.S d_parta.S d_polysa.S d_scana.S d_spr8.S \
-		d_varsa.S sw_raclipa.S sw_raliasa.S sw_rdrawa.S sw_redgea.S \
-		sw_rvarsa.S surf16.S surf8.S
 
 # ... Linux FBDev
 qw_client_fbdev_SOURCES= $(common_SOURCES) $(client_SOURCES) $(soft_SOURCES)
-qw_client_fbdev_LDADD= ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la $(client_LIBS)
+qw_client_fbdev_LDADD= ../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la $(client_LIBS)
-qw_client_fbdev_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la  $(client_LIB_DEPS)
+qw_client_fbdev_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFfbdev.la  $(client_LIB_DEPS)
 
 # ... SciTech MGL
 qw_client_mgl_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(soft_SOURCES)
-qw_client_mgl_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIBS) $(MGL_LIBS)
+qw_client_mgl_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIBS) $(MGL_LIBS)
-qw_client_mgl_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIB_DEPS)
+qw_client_mgl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFmgl.la $(client_LIB_DEPS)
 
 # ... Simple DirectMedia Layer, version 1.0 and higher
 qw_client_sdl_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(soft_SOURCES)
-qw_client_sdl_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIBS) $(SDL_LIBS)
+qw_client_sdl_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIBS) $(SDL_LIBS)
-qw_client_sdl_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIB_DEPS)
+qw_client_sdl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsdl.la $(client_LIB_DEPS)
 
 # ... Linux SVGAlib
 qw_client_svga_SOURCES= $(common_SOURCES) $(client_SOURCES) $(soft_SOURCES)
-qw_client_svga_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIBS) $(SVGA_LIBS)
+qw_client_svga_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIBS) $(SVGA_LIBS)
-qw_client_svga_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIB_DEPS)
+qw_client_svga_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFsvga.la $(client_LIB_DEPS)
 
 # ... X11
 qw_client_x11_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(soft_SOURCES)
-qw_client_x11_LDADD=	../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(X_SHM_LIB)
+qw_client_x11_LDADD=	../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(X_SHM_LIB)
-qw_client_x11_DEPENDENCIES=../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIB_DEPS)
+qw_client_x11_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_sw.la ../../libs/models/libQFmodels_sw.la ../../libs/video/targets/libQFx11.la $(client_LIB_DEPS)
 
 
 # OpenGL-using clients
 #
 # ... Common stuff
-ogl_SOURCES=	noisetextures.c gl_textures.c gl_draw.c gl_dyn_fires.c \
+ogl_SOURCES=	gl_dyn_part.c gl_view.c
-		gl_dyn_part.c gl_dyn_textures.c gl_graph.c gl_rlight.c	\
-		gl_rmain.c gl_rmisc.c gl_rsurf.c gl_screen.c gl_skin.c \
-		gl_sky.c gl_sky_clip.c gl_view.c gl_warp.c
 
 # ... 3Dfx Voodoo 1 and 2 SVGAlib-based console GL
 qw_client_3dfx_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(ogl_SOURCES)
-qw_client_3dfx_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIBS) $(TDFXGL_LIBS) $(SVGA_LIBS) $(DL_LIBS)
+qw_client_3dfx_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIBS) $(TDFXGL_LIBS) $(SVGA_LIBS) $(DL_LIBS)
-qw_client_3dfx_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIB_DEPS)
+qw_client_3dfx_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFtdfx.la $(client_LIB_DEPS)
 
 # ... OpenGL in X Window
 qw_client_glx_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(ogl_SOURCES)
-qw_client_glx_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIBS) $(GLX_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(DL_LIBS)
+qw_client_glx_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIBS) $(GLX_LIBS) $(X_PRE_LIBS) $(VIDMODE_LIBS) $(DGA_LIBS) $(X_LIBS) -lX11 $(X_EXTRA_LIBS) $(DL_LIBS)
-qw_client_glx_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIB_DEPS)
+qw_client_glx_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFglx.la $(client_LIB_DEPS)
 
 # ... Simple DirectMedia Layer, version 1.1 and higher, in GL mode
 qw_client_sgl_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(ogl_SOURCES)
-qw_client_sgl_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIBS) $(SDL_LIBS) $(X_LIBS) $(GLX_LIBS) $(DL_LIBS)
+qw_client_sgl_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIBS) $(SDL_LIBS) $(X_LIBS) $(GLX_LIBS) $(DL_LIBS)
-qw_client_sgl_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIB_DEPS)
+qw_client_sgl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFsgl.la $(client_LIB_DEPS)
 
 # ... SGI/Microsoft WGL (Windows OpenGL)
 qw_client_wgl_SOURCES=	$(common_SOURCES) $(client_SOURCES) $(ogl_SOURCES)
-qw_client_wgl_LDADD=	../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIBS) $(GLX_LIBS) -lgdi32 -lwinmm
+qw_client_wgl_LDADD=	../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIBS) $(GLX_LIBS) -lgdi32 -lwinmm
-qw_client_wgl_DEPENDENCIES=../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIB_DEPS)
+qw_client_wgl_DEPENDENCIES=../../libs/video/renderer/libQFrenderer_gl.la ../../libs/models/libQFmodels_gl.la ../../libs/video/targets/libQFwgl.la $(client_LIB_DEPS)
 
 # Stuff that doesn't get linked into an executable NEEDS to be mentioned here,
 # or it won't be distributed with 'make dist'

qw/source/cl_main.c

@@ -1496,6 +1496,7 @@ Host_Frame (float time)
 	r_paused = cl.paused;
 	r_active = cls.state == ca_active;
 	r_view_model = &cl.viewent;
+	r_frametime = host_frametime;
 
 	// don't allow cheats in multiplayer
 	if (!atoi (Info_ValueForKey (cl.serverinfo, "watervis")))

qw/source/d_copy.S

@@ -1,176 +0,0 @@
-/*
-	d_copy.S
-	
-	x86 assembly-language screen copying code.
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "QF/asm_i386.h"
-#include "quakeasm.h"
-#include "asm_draw.h"
-
-#ifdef USE_INTEL_ASM
-	.data
-
-LCopyWidth:		.long	0
-LBlockSrcStep:	.long	0
-LBlockDestStep:	.long	0
-LSrcDelta:		.long	0
-LDestDelta:		.long	0
-
-#define bufptr	4+16
-
-// copies 16 rows per plane at a pop; idea is that 16*512 = 8k, and since
-// no Mode X mode is wider than 360, all the data should fit in the cache for
-// the passes for the next 3 planes
-
-	.text
-
-.globl C(VGA_UpdatePlanarScreen)
-C(VGA_UpdatePlanarScreen):
-	pushl	%ebp				// preserve caller's stack frame
-	pushl	%edi
-	pushl	%esi				// preserve register variables
-	pushl	%ebx
-
-	movl	C(VGA_bufferrowbytes),%eax
-	shll	$1,%eax
-	movl	%eax,LBlockSrcStep
-	movl	C(VGA_rowbytes),%eax
-	shll	$1,%eax
-	movl	%eax,LBlockDestStep
-
-	movl	$0x3C4,%edx
-	movb	$2,%al
-	outb	%al,%dx		// point the SC to the Map Mask
-	incl	%edx
-
-	movl	bufptr(%esp),%esi
-	movl	C(VGA_pagebase),%edi
-	movl	C(VGA_height),%ebp
-	shrl	$1,%ebp
-
-	movl	C(VGA_width),%ecx
-	movl	C(VGA_bufferrowbytes),%eax
-	subl	%ecx,%eax
-	movl	%eax,LSrcDelta
-	movl	C(VGA_rowbytes),%eax
-	shll	$2,%eax
-	subl	%ecx,%eax
-	movl	%eax,LDestDelta
-	shrl	$4,%ecx
-	movl	%ecx,LCopyWidth
-
-LRowLoop:
-	movb	$1,%al
-
-LPlaneLoop:
-	outb	%al,%dx
-	movb	$2,%ah
-
-	pushl	%esi
-	pushl	%edi
-LRowSetLoop:
-	movl	LCopyWidth,%ecx
-LColumnLoop:
-	movb	12(%esi),%bh
-	movb	8(%esi),%bl
-	shll	$16,%ebx
-	movb	4(%esi),%bh
-	movb	(%esi),%bl
-	movl	%ebx,(%edi)
-	addl	$16,%esi
-	addl	$4,%edi
-	decl	%ecx
-	jnz		LColumnLoop
-
-	addl	LDestDelta,%edi
-	addl	LSrcDelta,%esi
-	decb	%ah
-	jnz		LRowSetLoop
-
-	popl	%edi
-	popl	%esi
-	incl	%esi
-
-	shlb	$1,%al
-	cmpb	$16,%al
-	jnz		LPlaneLoop
-
-	subl	$4,%esi
-	addl	LBlockSrcStep,%esi
-	addl	LBlockDestStep,%edi
-	decl	%ebp
-	jnz		LRowLoop
-
-	popl	%ebx				// restore register variables
-	popl	%esi
-	popl	%edi
-	popl	%ebp				// restore the caller's stack frame
-
-	ret
-
-
-#define srcptr			4+16
-#define destptr			8+16
-#define width			12+16
-#define height			16+16
-#define srcrowbytes		20+16
-#define destrowbytes	24+16
-
-.globl C(VGA_UpdateLinearScreen)
-C(VGA_UpdateLinearScreen):
-	pushl	%ebp				// preserve caller's stack frame
-	pushl	%edi
-	pushl	%esi				// preserve register variables
-	pushl	%ebx
-
-	cld
-	movl	srcptr(%esp),%esi
-	movl	destptr(%esp),%edi
-	movl	width(%esp),%ebx
-	movl	srcrowbytes(%esp),%eax
-	subl	%ebx,%eax
-	movl	destrowbytes(%esp),%edx
-	subl	%ebx,%edx
-	shrl	$2,%ebx
-	movl	height(%esp),%ebp
-LLRowLoop:
-	movl	%ebx,%ecx
-	rep/movsl	(%esi),(%edi)
-	addl	%eax,%esi
-	addl	%edx,%edi
-	decl	%ebp
-	jnz		LLRowLoop
-
-	popl	%ebx				// restore register variables
-	popl	%esi
-	popl	%edi
-	popl	%ebp				// restore the caller's stack frame
-
-	ret
-#endif /* USE_INTEL_ASM */

qw/source/d_draw16.S

@@ -1,981 +0,0 @@
-/*
-	d_draw16.S
-
-	x86 assembly-language horizontal 8-bpp span-drawing code, with
-	16-pixel subdivision.
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "QF/asm_i386.h"
-#include "quakeasm.h"
-#include "asm_draw.h"
-#include "d_ifacea.h"
-
-#ifdef USE_INTEL_ASM
-
-//----------------------------------------------------------------------
-// 8-bpp horizontal span drawing code for polygons, with no transparency and
-// 16-pixel subdivision.
-//
-// Assumes there is at least one span in pspans, and that every span
-// contains at least one pixel
-//----------------------------------------------------------------------
-
-	.data
-
-	.text
-
-// out-of-line, rarely-needed clamping code
-
-LClampHigh0:
-	movl	C(bbextents),%esi
-	jmp		LClampReentry0
-LClampHighOrLow0:
-	jg		LClampHigh0
-	xorl	%esi,%esi
-	jmp		LClampReentry0
-
-LClampHigh1:
-	movl	C(bbextentt),%edx
-	jmp		LClampReentry1
-LClampHighOrLow1:
-	jg		LClampHigh1
-	xorl	%edx,%edx
-	jmp		LClampReentry1
-
-LClampLow2:
-	movl	$4096,%ebp
-	jmp		LClampReentry2
-LClampHigh2:
-	movl	C(bbextents),%ebp
-	jmp		LClampReentry2
-
-LClampLow3:
-	movl	$4096,%ecx
-	jmp		LClampReentry3
-LClampHigh3:
-	movl	C(bbextentt),%ecx
-	jmp		LClampReentry3
-
-LClampLow4:
-	movl	$4096,%eax
-	jmp		LClampReentry4
-LClampHigh4:
-	movl	C(bbextents),%eax
-	jmp		LClampReentry4
-
-LClampLow5:
-	movl	$4096,%ebx
-	jmp		LClampReentry5
-LClampHigh5:
-	movl	C(bbextentt),%ebx
-	jmp		LClampReentry5
-
-
-#define pspans	4+16
-
-	.align 4
-.globl C(D_DrawSpans16)
-C(D_DrawSpans16):
-	pushl	%ebp				// preserve caller's stack frame
-	pushl	%edi
-	pushl	%esi				// preserve register variables
-	pushl	%ebx
-
-//
-// set up scaled-by-16 steps, for 16-long segments; also set up cacheblock
-// and span list pointers
-//
-// TODO: any overlap from rearranging?
-	flds	C(d_sdivzstepu)
-	fmuls	fp_16
-	movl	C(cacheblock),%edx
-	flds	C(d_tdivzstepu)
-	fmuls	fp_16
-	movl	pspans(%esp),%ebx	// point to the first span descriptor
-	flds	C(d_zistepu)
-	fmuls	fp_16
-	movl	%edx,pbase			// pbase = cacheblock
-	fstps	zi16stepu
-	fstps	tdivz16stepu
-	fstps	sdivz16stepu
-
-LSpanLoop:
-//
-// set up the initial s/z, t/z, and 1/z on the FP stack, and generate the
-// initial s and t values
-//
-// FIXME: pipeline FILD?
-	fildl	espan_t_v(%ebx)
-	fildl	espan_t_u(%ebx)
-
-	fld		%st(1)			// dv | du | dv
-	fmuls	C(d_sdivzstepv)	// dv*d_sdivzstepv | du | dv
-	fld		%st(1)			// du | dv*d_sdivzstepv | du | dv
-	fmuls	C(d_sdivzstepu)	// du*d_sdivzstepu | dv*d_sdivzstepv | du | dv
-	fld		%st(2)			// du | du*d_sdivzstepu | dv*d_sdivzstepv | du | dv
-	fmuls	C(d_tdivzstepu)	// du*d_tdivzstepu | du*d_sdivzstepu |
-							//  dv*d_sdivzstepv | du | dv
-	fxch	%st(1)			// du*d_sdivzstepu | du*d_tdivzstepu |
-							//  dv*d_sdivzstepv | du | dv
-	faddp	%st(0),%st(2)	// du*d_tdivzstepu |
-							//  du*d_sdivzstepu + dv*d_sdivzstepv | du | dv
-	fxch	%st(1)			// du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  du*d_tdivzstepu | du | dv
-	fld		%st(3)			// dv | du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  du*d_tdivzstepu | du | dv
-	fmuls	C(d_tdivzstepv)	// dv*d_tdivzstepv |
-							//  du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  du*d_tdivzstepu | du | dv
-	fxch	%st(1)			// du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  dv*d_tdivzstepv | du*d_tdivzstepu | du | dv
-	fadds	C(d_sdivzorigin)	// sdivz = d_sdivzorigin + dv*d_sdivzstepv +
-							//  du*d_sdivzstepu; stays in %st(2) at end
-	fxch	%st(4)			// dv | dv*d_tdivzstepv | du*d_tdivzstepu | du |
-							//  s/z
-	fmuls	C(d_zistepv)		// dv*d_zistepv | dv*d_tdivzstepv |
-							//  du*d_tdivzstepu | du | s/z
-	fxch	%st(1)			// dv*d_tdivzstepv |  dv*d_zistepv |
-							//  du*d_tdivzstepu | du | s/z
-	faddp	%st(0),%st(2)	// dv*d_zistepv |
-							//  dv*d_tdivzstepv + du*d_tdivzstepu | du | s/z
-	fxch	%st(2)			// du | dv*d_tdivzstepv + du*d_tdivzstepu |
-							//  dv*d_zistepv | s/z
-	fmuls	C(d_zistepu)		// du*d_zistepu |
-							//  dv*d_tdivzstepv + du*d_tdivzstepu |
-							//  dv*d_zistepv | s/z
-	fxch	%st(1)			// dv*d_tdivzstepv + du*d_tdivzstepu |
-							//  du*d_zistepu | dv*d_zistepv | s/z
-	fadds	C(d_tdivzorigin)	// tdivz = d_tdivzorigin + dv*d_tdivzstepv +
-							//  du*d_tdivzstepu; stays in %st(1) at end
-	fxch	%st(2)			// dv*d_zistepv | du*d_zistepu | t/z | s/z
-	faddp	%st(0),%st(1)	// dv*d_zistepv + du*d_zistepu | t/z | s/z
-
-	flds	fp_64k			// fp_64k | dv*d_zistepv + du*d_zistepu | t/z | s/z
-	fxch	%st(1)			// dv*d_zistepv + du*d_zistepu | fp_64k | t/z | s/z
-	fadds	C(d_ziorigin)		// zi = d_ziorigin + dv*d_zistepv +
-							//  du*d_zistepu; stays in %st(0) at end
-							// 1/z | fp_64k | t/z | s/z
-//
-// calculate and clamp s & t
-//
-	fdivr	%st(0),%st(1)	// 1/z | z*64k | t/z | s/z
-
-//
-// point %edi to the first pixel in the span
-//
-	movl	C(d_viewbuffer),%ecx
-	movl	espan_t_v(%ebx),%eax
-	movl	%ebx,pspantemp	// preserve spans pointer
-
-	movl	C(tadjust),%edx
-	movl	C(sadjust),%esi
-	movl	C(d_scantable)(,%eax,4),%edi	// v * screenwidth
-	addl	%ecx,%edi
-	movl	espan_t_u(%ebx),%ecx
-	addl	%ecx,%edi				// pdest = &pdestspan[scans->u];
-	movl	espan_t_count(%ebx),%ecx
-
-//
-// now start the FDIV for the end of the span
-//
-	cmpl	$16,%ecx
-	ja		LSetupNotLast1
-
-	decl	%ecx
-	jz		LCleanup1		// if only one pixel, no need to start an FDIV
-	movl	%ecx,spancountminus1
-
-// finish up the s and t calcs
-	fxch	%st(1)			// z*64k | 1/z | t/z | s/z
-
-	fld		%st(0)			// z*64k | z*64k | 1/z | t/z | s/z
-	fmul	%st(4),%st(0)	// s | z*64k | 1/z | t/z | s/z
-	fxch	%st(1)			// z*64k | s | 1/z | t/z | s/z
-	fmul	%st(3),%st(0)	// t | s | 1/z | t/z | s/z
-	fxch	%st(1)			// s | t | 1/z | t/z | s/z
-	fistpl	s				// 1/z | t | t/z | s/z
-	fistpl	t				// 1/z | t/z | s/z
-
-	fildl	spancountminus1
-
-	flds	C(d_tdivzstepu)	// C(d_tdivzstepu) | spancountminus1
-	flds	C(d_zistepu)		// C(d_zistepu) | C(d_tdivzstepu) | spancountminus1
-	fmul	%st(2),%st(0)	// C(d_zistepu)*scm1 | C(d_tdivzstepu) | scm1
-	fxch	%st(1)			// C(d_tdivzstepu) | C(d_zistepu)*scm1 | scm1
-	fmul	%st(2),%st(0)	// C(d_tdivzstepu)*scm1 | C(d_zistepu)*scm1 | scm1
-	fxch	%st(2)			// scm1 | C(d_zistepu)*scm1 | C(d_tdivzstepu)*scm1
-	fmuls	C(d_sdivzstepu)	// C(d_sdivzstepu)*scm1 | C(d_zistepu)*scm1 |
-							//  C(d_tdivzstepu)*scm1
-	fxch	%st(1)			// C(d_zistepu)*scm1 | C(d_sdivzstepu)*scm1 |
-							//  C(d_tdivzstepu)*scm1
-	faddp	%st(0),%st(3)	// C(d_sdivzstepu)*scm1 | C(d_tdivzstepu)*scm1
-	fxch	%st(1)			// C(d_tdivzstepu)*scm1 | C(d_sdivzstepu)*scm1
-	faddp	%st(0),%st(3)	// C(d_sdivzstepu)*scm1
-	faddp	%st(0),%st(3)
-
-	flds	fp_64k
-	fdiv	%st(1),%st(0)	// this is what we've gone to all this trouble to
-							//  overlap
-	jmp		LFDIVInFlight1
-
-LCleanup1:
-// finish up the s and t calcs
-	fxch	%st(1)			// z*64k | 1/z | t/z | s/z
-
-	fld		%st(0)			// z*64k | z*64k | 1/z | t/z | s/z
-	fmul	%st(4),%st(0)	// s | z*64k | 1/z | t/z | s/z
-	fxch	%st(1)			// z*64k | s | 1/z | t/z | s/z
-	fmul	%st(3),%st(0)	// t | s | 1/z | t/z | s/z
-	fxch	%st(1)			// s | t | 1/z | t/z | s/z
-	fistpl	s				// 1/z | t | t/z | s/z
-	fistpl	t				// 1/z | t/z | s/z
-	jmp		LFDIVInFlight1
-
-	.align	4
-LSetupNotLast1:
-// finish up the s and t calcs
-	fxch	%st(1)			// z*64k | 1/z | t/z | s/z
-
-	fld		%st(0)			// z*64k | z*64k | 1/z | t/z | s/z
-	fmul	%st(4),%st(0)	// s | z*64k | 1/z | t/z | s/z
-	fxch	%st(1)			// z*64k | s | 1/z | t/z | s/z
-	fmul	%st(3),%st(0)	// t | s | 1/z | t/z | s/z
-	fxch	%st(1)			// s | t | 1/z | t/z | s/z
-	fistpl	s				// 1/z | t | t/z | s/z
-	fistpl	t				// 1/z | t/z | s/z
-
-	fadds	zi16stepu
-	fxch	%st(2)
-	fadds	sdivz16stepu
-	fxch	%st(2)
-	flds	tdivz16stepu
-	faddp	%st(0),%st(2)
-	flds	fp_64k
-	fdiv	%st(1),%st(0)	// z = 1/1/z
-							// this is what we've gone to all this trouble to
-							//  overlap
-LFDIVInFlight1:
-
-	addl	s,%esi
-	addl	t,%edx
-	movl	C(bbextents),%ebx
-	movl	C(bbextentt),%ebp
-	cmpl	%ebx,%esi
-	ja		LClampHighOrLow0
-LClampReentry0:
-	movl	%esi,s
-	movl	pbase,%ebx
-	shll	$16,%esi
-	cmpl	%ebp,%edx
-	movl	%esi,sfracf
-	ja		LClampHighOrLow1
-LClampReentry1:
-	movl	%edx,t
-	movl	s,%esi					// sfrac = scans->sfrac;
-	shll	$16,%edx
-	movl	t,%eax					// tfrac = scans->tfrac;
-	sarl	$16,%esi
-	movl	%edx,tfracf
-
-//
-// calculate the texture starting address
-//
-	sarl	$16,%eax
-	movl	C(cachewidth),%edx
-	imull	%edx,%eax				// (tfrac >> 16) * cachewidth
-	addl	%ebx,%esi
-	addl	%eax,%esi				// psource = pbase + (sfrac >> 16) +
-									//           ((tfrac >> 16) * cachewidth);
-//
-// determine whether last span or not
-//
-	cmpl	$16,%ecx
-	jna		LLastSegment
-
-//
-// not the last segment; do full 16-wide segment
-//
-LNotLastSegment:
-
-//
-// advance s/z, t/z, and 1/z, and calculate s & t at end of span and steps to
-// get there
-//
-
-// pick up after the FDIV that was left in flight previously
-
-	fld		%st(0)			// duplicate it
-	fmul	%st(4),%st(0)	// s = s/z * z
-	fxch	%st(1)
-	fmul	%st(3),%st(0)	// t = t/z * z
-	fxch	%st(1)
-	fistpl	snext
-	fistpl	tnext
-	movl	snext,%eax
-	movl	tnext,%edx
-
-	movb	(%esi),%bl	// get first source texel
-	subl	$16,%ecx		// count off this segments' pixels
-	movl	C(sadjust),%ebp
-	movl	%ecx,counttemp	// remember count of remaining pixels
-
-	movl	C(tadjust),%ecx
-	movb	%bl,(%edi)	// store first dest pixel
-
-	addl	%eax,%ebp
-	addl	%edx,%ecx
-
-	movl	C(bbextents),%eax
-	movl	C(bbextentt),%edx
-
-	cmpl	$4096,%ebp
-	jl		LClampLow2
-	cmpl	%eax,%ebp
-	ja		LClampHigh2
-LClampReentry2:
-
-	cmpl	$4096,%ecx
-	jl		LClampLow3
-	cmpl	%edx,%ecx
-	ja		LClampHigh3
-LClampReentry3:
-
-	movl	%ebp,snext
-	movl	%ecx,tnext
-
-	subl	s,%ebp
-	subl	t,%ecx
-	
-//
-// set up advancetable
-//
-	movl	%ecx,%eax
-	movl	%ebp,%edx
-	sarl	$20,%eax			// tstep >>= 16;
-	jz		LZero
-	sarl	$20,%edx			// sstep >>= 16;
-	movl	C(cachewidth),%ebx
-	imull	%ebx,%eax
-	jmp		LSetUp1
-
-LZero:
-	sarl	$20,%edx			// sstep >>= 16;
-	movl	C(cachewidth),%ebx
-
-LSetUp1:
-
-	addl	%edx,%eax			// add in sstep
-								// (tstep >> 16) * cachewidth + (sstep >> 16);
-	movl	tfracf,%edx
-	movl	%eax,advancetable+4	// advance base in t
-	addl	%ebx,%eax			// ((tstep >> 16) + 1) * cachewidth +
-								//  (sstep >> 16);
-	shll	$12,%ebp			// left-justify sstep fractional part
-	movl	sfracf,%ebx
-	shll	$12,%ecx			// left-justify tstep fractional part
-	movl	%eax,advancetable	// advance extra in t
-
-	movl	%ecx,tstep
-	addl	%ecx,%edx			// advance tfrac fractional part by tstep frac
-
-	sbbl	%ecx,%ecx			// turn tstep carry into -1 (0 if none)
-	addl	%ebp,%ebx			// advance sfrac fractional part by sstep frac
-	adcl	advancetable+4(,%ecx,4),%esi	// point to next source texel
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	(%esi),%al
-	addl	%ebp,%ebx
-	movb	%al,1(%edi)
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,2(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,3(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,4(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,5(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,6(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,7(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-
-//
-// start FDIV for end of next segment in flight, so it can overlap
-//
-	movl	counttemp,%ecx
-	cmpl	$16,%ecx			// more than one segment after this?
-	ja		LSetupNotLast2	// yes
-
-	decl	%ecx
-	jz		LFDIVInFlight2	// if only one pixel, no need to start an FDIV
-	movl	%ecx,spancountminus1
-	fildl	spancountminus1
-
-	flds	C(d_zistepu)		// C(d_zistepu) | spancountminus1
-	fmul	%st(1),%st(0)	// C(d_zistepu)*scm1 | scm1
-	flds	C(d_tdivzstepu)	// C(d_tdivzstepu) | C(d_zistepu)*scm1 | scm1
-	fmul	%st(2),%st(0)	// C(d_tdivzstepu)*scm1 | C(d_zistepu)*scm1 | scm1
-	fxch	%st(1)			// C(d_zistepu)*scm1 | C(d_tdivzstepu)*scm1 | scm1
-	faddp	%st(0),%st(3)	// C(d_tdivzstepu)*scm1 | scm1
-	fxch	%st(1)			// scm1 | C(d_tdivzstepu)*scm1
-	fmuls	C(d_sdivzstepu)	// C(d_sdivzstepu)*scm1 | C(d_tdivzstepu)*scm1
-	fxch	%st(1)			// C(d_tdivzstepu)*scm1 | C(d_sdivzstepu)*scm1
-	faddp	%st(0),%st(3)	// C(d_sdivzstepu)*scm1
-	flds	fp_64k			// 64k | C(d_sdivzstepu)*scm1
-	fxch	%st(1)			// C(d_sdivzstepu)*scm1 | 64k
-	faddp	%st(0),%st(4)	// 64k
-
-	fdiv	%st(1),%st(0)	// this is what we've gone to all this trouble to
-							//  overlap
-	jmp		LFDIVInFlight2
-
-	.align	4
-LSetupNotLast2:
-	fadds	zi16stepu
-	fxch	%st(2)
-	fadds	sdivz16stepu
-	fxch	%st(2)
-	flds	tdivz16stepu
-	faddp	%st(0),%st(2)
-	flds	fp_64k
-	fdiv	%st(1),%st(0)	// z = 1/1/z
-							// this is what we've gone to all this trouble to
-							//  overlap
-LFDIVInFlight2:
-	movl	%ecx,counttemp
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,8(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,9(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,10(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,11(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,12(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,13(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,14(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	$16,%edi
-	movl	%edx,tfracf
-	movl	snext,%edx
-	movl	%ebx,sfracf
-	movl	tnext,%ebx
-	movl	%edx,s
-	movl	%ebx,t
-
-	movl	counttemp,%ecx		// retrieve count
-
-//
-// determine whether last span or not
-//
-	cmpl	$16,%ecx				// are there multiple segments remaining?
-	movb	%al,-1(%edi)
-	ja		LNotLastSegment		// yes
-
-//
-// last segment of scan
-//
-LLastSegment:
-
-//
-// advance s/z, t/z, and 1/z, and calculate s & t at end of span and steps to
-// get there. The number of pixels left is variable, and we want to land on the
-// last pixel, not step one past it, so we can't run into arithmetic problems
-//
-	testl	%ecx,%ecx
-	jz		LNoSteps		// just draw the last pixel and we're done
-
-// pick up after the FDIV that was left in flight previously
-
-
-	fld		%st(0)			// duplicate it
-	fmul	%st(4),%st(0)	// s = s/z * z
-	fxch	%st(1)
-	fmul	%st(3),%st(0)	// t = t/z * z
-	fxch	%st(1)
-	fistpl	snext
-	fistpl	tnext
-
-	movb	(%esi),%al		// load first texel in segment
-	movl	C(tadjust),%ebx
-	movb	%al,(%edi)		// store first pixel in segment
-	movl	C(sadjust),%eax
-
-	addl	snext,%eax
-	addl	tnext,%ebx
-
-	movl	C(bbextents),%ebp
-	movl	C(bbextentt),%edx
-
-	cmpl	$4096,%eax
-	jl		LClampLow4
-	cmpl	%ebp,%eax
-	ja		LClampHigh4
-LClampReentry4:
-	movl	%eax,snext
-
-	cmpl	$4096,%ebx
-	jl		LClampLow5
-	cmpl	%edx,%ebx
-	ja		LClampHigh5
-LClampReentry5:
-
-	cmpl	$1,%ecx			// don't bother 
-	je		LOnlyOneStep	// if two pixels in segment, there's only one step,
-							//  of the segment length
-	subl	s,%eax
-	subl	t,%ebx
-
-	addl	%eax,%eax		// convert to 15.17 format so multiply by 1.31
-	addl	%ebx,%ebx		//  reciprocal yields 16.48
-
-	imull	reciprocal_table_16-8(,%ecx,4)	// sstep = (snext - s) /
-											//  (spancount-1)
-	movl	%edx,%ebp
-
-	movl	%ebx,%eax
-	imull	reciprocal_table_16-8(,%ecx,4)	// tstep = (tnext - t) /
-											//  (spancount-1)
-LSetEntryvec:
-//
-// set up advancetable
-//
-	movl	entryvec_table_16(,%ecx,4),%ebx
-	movl	%edx,%eax
-	movl	%ebx,jumptemp		// entry point into code for RET later
-	movl	%ebp,%ecx
-	sarl	$16,%edx			// tstep >>= 16;
-	movl	C(cachewidth),%ebx
-	sarl	$16,%ecx			// sstep >>= 16;
-	imull	%ebx,%edx
-
-	addl	%ecx,%edx			// add in sstep
-								// (tstep >> 16) * cachewidth + (sstep >> 16);
-	movl	tfracf,%ecx
-	movl	%edx,advancetable+4	// advance base in t
-	addl	%ebx,%edx			// ((tstep >> 16) + 1) * cachewidth +
-								//  (sstep >> 16);
-	shll	$16,%ebp			// left-justify sstep fractional part
-	movl	sfracf,%ebx
-	shll	$16,%eax			// left-justify tstep fractional part
-	movl	%edx,advancetable	// advance extra in t
-
-	movl	%eax,tstep
-	movl	%ecx,%edx
-	addl	%eax,%edx
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	jmp		*jumptemp			// jump to the number-of-pixels handler
-
-//----------------------------------------
-
-LNoSteps:
-	movb	(%esi),%al		// load first texel in segment
-	subl	$15,%edi			// adjust for hardwired offset
-	jmp		LEndSpan
-
-
-LOnlyOneStep:
-	subl	s,%eax
-	subl	t,%ebx
-	movl	%eax,%ebp
-	movl	%ebx,%edx
-	jmp		LSetEntryvec
-
-//----------------------------------------
-
-.globl	Entry2_16, Entry3_16, Entry4_16, Entry5_16
-.globl	Entry6_16, Entry7_16, Entry8_16, Entry9_16
-.globl	Entry10_16, Entry11_16, Entry12_16, Entry13_16
-.globl	Entry14_16, Entry15_16, Entry16_16
-
-Entry2_16:
-	subl	$14,%edi		// adjust for hardwired offsets
-	movb	(%esi),%al
-	jmp		LEntry2_16
-
-//----------------------------------------
-
-Entry3_16:
-	subl	$13,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	jmp		LEntry3_16
-
-//----------------------------------------
-
-Entry4_16:
-	subl	$12,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry4_16
-
-//----------------------------------------
-
-Entry5_16:
-	subl	$11,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry5_16
-
-//----------------------------------------
-
-Entry6_16:
-	subl	$10,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry6_16
-
-//----------------------------------------
-
-Entry7_16:
-	subl	$9,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry7_16
-
-//----------------------------------------
-
-Entry8_16:
-	subl	$8,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry8_16
-
-//----------------------------------------
-
-Entry9_16:
-	subl	$7,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry9_16
-
-//----------------------------------------
-
-Entry10_16:
-	subl	$6,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry10_16
-
-//----------------------------------------
-
-Entry11_16:
-	subl	$5,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry11_16
-
-//----------------------------------------
-
-Entry12_16:
-	subl	$4,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry12_16
-
-//----------------------------------------
-
-Entry13_16:
-	subl	$3,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry13_16
-
-//----------------------------------------
-
-Entry14_16:
-	subl	$2,%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry14_16
-
-//----------------------------------------
-
-Entry15_16:
-	decl	%edi		// adjust for hardwired offsets
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-	jmp		LEntry15_16
-
-//----------------------------------------
-
-Entry16_16:
-	addl	%eax,%edx
-	movb	(%esi),%al
-	sbbl	%ecx,%ecx
-	addl	%ebp,%ebx
-	adcl	advancetable+4(,%ecx,4),%esi
-
-	addl	tstep,%edx
-	sbbl	%ecx,%ecx
-	movb	%al,1(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry15_16:
-	sbbl	%ecx,%ecx
-	movb	%al,2(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry14_16:
-	sbbl	%ecx,%ecx
-	movb	%al,3(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry13_16:
-	sbbl	%ecx,%ecx
-	movb	%al,4(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry12_16:
-	sbbl	%ecx,%ecx
-	movb	%al,5(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry11_16:
-	sbbl	%ecx,%ecx
-	movb	%al,6(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry10_16:
-	sbbl	%ecx,%ecx
-	movb	%al,7(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry9_16:
-	sbbl	%ecx,%ecx
-	movb	%al,8(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry8_16:
-	sbbl	%ecx,%ecx
-	movb	%al,9(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry7_16:
-	sbbl	%ecx,%ecx
-	movb	%al,10(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry6_16:
-	sbbl	%ecx,%ecx
-	movb	%al,11(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry5_16:
-	sbbl	%ecx,%ecx
-	movb	%al,12(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-	addl	tstep,%edx
-LEntry4_16:
-	sbbl	%ecx,%ecx
-	movb	%al,13(%edi)
-	addl	%ebp,%ebx
-	movb	(%esi),%al
-	adcl	advancetable+4(,%ecx,4),%esi
-LEntry3_16:
-	movb	%al,14(%edi)
-	movb	(%esi),%al
-LEntry2_16:
-
-LEndSpan:
-
-//
-// clear s/z, t/z, 1/z from FP stack
-//
-	fstp %st(0)
-	fstp %st(0)
-	fstp %st(0)
-
-	movl	pspantemp,%ebx				// restore spans pointer
-	movl	espan_t_pnext(%ebx),%ebx	// point to next span
-	testl	%ebx,%ebx			// any more spans?
-	movb	%al,15(%edi)
-	jnz		LSpanLoop			// more spans
-
-	popl	%ebx				// restore register variables
-	popl	%esi
-	popl	%edi
-	popl	%ebp				// restore the caller's stack frame
-	ret
-
-#endif	// USE_INTEL_ASM

qw/source/d_edge.c

@@ -1,294 +0,0 @@
-/*
-	d_edge.c
-
-	(description)
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "d_local.h"
-#include "r_local.h"
-#include "QF/render.h"
-
-static int  miplevel;
-
-float       scale_for_mip;
-extern int  screenwidth;
-int         ubasestep, errorterm, erroradjustup, erroradjustdown;
-int         vstartscan;
-
-vec3_t      transformed_modelorg;
-
-
-void
-D_DrawPoly (void)
-{
-// this driver takes spans, not polygons
-}
-
-
-int
-D_MipLevelForScale (float scale)
-{
-	int         lmiplevel;
-
-	if (scale >= d_scalemip[0])
-		lmiplevel = 0;
-	else if (scale >= d_scalemip[1])
-		lmiplevel = 1;
-	else if (scale >= d_scalemip[2])
-		lmiplevel = 2;
-	else
-		lmiplevel = 3;
-
-	if (lmiplevel < d_minmip)
-		lmiplevel = d_minmip;
-
-	return lmiplevel;
-}
-
-
-// FIXME: clean this up
-void
-D_DrawSolidSurface (surf_t *surf, int color)
-{
-	espan_t    *span;
-	byte       *pdest;
-	int         u, u2, pix;
-
-	pix = (color << 24) | (color << 16) | (color << 8) | color;
-	for (span = surf->spans; span; span = span->pnext) {
-		pdest = (byte *) d_viewbuffer + screenwidth * span->v;
-		u = span->u;
-		u2 = span->u + span->count - 1;
-		((byte *) pdest)[u] = pix;
-
-		if (u2 - u < 8) {
-			for (u++; u <= u2; u++)
-				((byte *) pdest)[u] = pix;
-		} else {
-			for (u++; u & 3; u++)
-				((byte *) pdest)[u] = pix;
-
-			u2 -= 4;
-			for (; u <= u2; u += 4)
-				*(int *) ((byte *) pdest + u) = pix;
-			u2 += 4;
-			for (; u <= u2; u++)
-				((byte *) pdest)[u] = pix;
-		}
-	}
-}
-
-
-void
-D_CalcGradients (msurface_t *pface)
-{
-	mplane_t   *pplane;
-	float       mipscale;
-	vec3_t      p_temp1;
-	vec3_t      p_saxis, p_taxis;
-	float       t;
-
-	pplane = pface->plane;
-
-	mipscale = 1.0 / (float) (1 << miplevel);
-
-	TransformVector (pface->texinfo->vecs[0], p_saxis);
-	TransformVector (pface->texinfo->vecs[1], p_taxis);
-
-	t = xscaleinv * mipscale;
-	d_sdivzstepu = p_saxis[0] * t;
-	d_tdivzstepu = p_taxis[0] * t;
-
-	t = yscaleinv * mipscale;
-	d_sdivzstepv = -p_saxis[1] * t;
-	d_tdivzstepv = -p_taxis[1] * t;
-
-	d_sdivzorigin = p_saxis[2] * mipscale - xcenter * d_sdivzstepu -
-		ycenter * d_sdivzstepv;
-	d_tdivzorigin = p_taxis[2] * mipscale - xcenter * d_tdivzstepu -
-		ycenter * d_tdivzstepv;
-
-	VectorScale (transformed_modelorg, mipscale, p_temp1);
-
-	t = 0x10000 * mipscale;
-	sadjust = ((fixed16_t) (DotProduct (p_temp1, p_saxis) * 0x10000 + 0.5)) -
-		((pface->texturemins[0] << 16) >> miplevel)
-		+ pface->texinfo->vecs[0][3] * t;
-	tadjust = ((fixed16_t) (DotProduct (p_temp1, p_taxis) * 0x10000 + 0.5)) -
-		((pface->texturemins[1] << 16) >> miplevel)
-		+ pface->texinfo->vecs[1][3] * t;
-
-	// -1 (-epsilon) so we never wander off the edge of the texture
-	bbextents = ((pface->extents[0] << 16) >> miplevel) - 1;
-	bbextentt = ((pface->extents[1] << 16) >> miplevel) - 1;
-}
-
-
-void
-D_DrawSurfaces (void)
-{
-	surf_t     *s;
-	msurface_t *pface;
-	surfcache_t *pcurrentcache;
-	vec3_t      world_transformed_modelorg;
-	vec3_t      local_modelorg;
-
-	currententity = &r_worldentity;
-	TransformVector (modelorg, transformed_modelorg);
-	VectorCopy (transformed_modelorg, world_transformed_modelorg);
-
-	// TODO: could preset a lot of this at mode set time
-	if (r_drawflat->int_val) {
-		for (s = &surfaces[1]; s < surface_p; s++) {
-			if (!s->spans)
-				continue;
-
-			d_zistepu = s->d_zistepu;
-			d_zistepv = s->d_zistepv;
-			d_ziorigin = s->d_ziorigin;
-
-			D_DrawSolidSurface (s, (int) ((long) s->data & 0xFF));
-			D_DrawZSpans (s->spans);
-		}
-	} else {
-		for (s = &surfaces[1]; s < surface_p; s++) {
-			if (!s->spans)
-				continue;
-
-			r_drawnpolycount++;
-
-			d_zistepu = s->d_zistepu;
-			d_zistepv = s->d_zistepv;
-			d_ziorigin = s->d_ziorigin;
-
-			if (s->flags & SURF_DRAWSKY) {
-				if (!r_skymade) {
-					R_MakeSky ();
-				}
-
-				D_DrawSkyScans8 (s->spans);
-				D_DrawZSpans (s->spans);
-			} else if (s->flags & SURF_DRAWBACKGROUND) {
-				// set up a gradient for the background surface that places
-				// it
-				// effectively at infinity distance from the viewpoint
-				d_zistepu = 0;
-				d_zistepv = 0;
-				d_ziorigin = -0.9;
-
-				D_DrawSolidSurface (s, r_clearcolor->int_val & 0xFF);
-				D_DrawZSpans (s->spans);
-			} else if (s->flags & SURF_DRAWTURB) {
-				pface = s->data;
-				miplevel = 0;
-				cacheblock = (pixel_t *)
-					((byte *) pface->texinfo->texture +
-					 pface->texinfo->texture->offsets[0]);
-				cachewidth = 64;
-
-				if (s->insubmodel) {
-					// FIXME: we don't want to do all this for every polygon!
-					// TODO: store once at start of frame
-					currententity = s->entity;	// FIXME: make this passed in 
-												// to R_RotateBmodel ()
-					VectorSubtract (r_origin, currententity->origin,
-									local_modelorg);
-					TransformVector (local_modelorg, transformed_modelorg);
-
-					R_RotateBmodel ();	// FIXME: don't mess with the
-										// frustum, make entity passed in
-				}
-
-				D_CalcGradients (pface);
-
-				Turbulent8 (s->spans);
-				D_DrawZSpans (s->spans);
-
-				if (s->insubmodel) {
-					// restore the old drawing state
-					// FIXME: we don't want to do this every time!
-					// TODO: speed up
-
-					currententity = &r_worldentity;
-					VectorCopy (world_transformed_modelorg,
-								transformed_modelorg);
-					VectorCopy (base_vpn, vpn);
-					VectorCopy (base_vup, vup);
-					VectorCopy (base_vright, vright);
-					VectorCopy (base_modelorg, modelorg);
-					R_TransformFrustum ();
-				}
-			} else {
-				if (s->insubmodel) {
-					// FIXME: we don't want to do all this for every polygon!
-					// TODO: store once at start of frame
-					currententity = s->entity;	// FIXME: make this passed in 
-												// to R_RotateBmodel ()
-					VectorSubtract (r_origin, currententity->origin,
-									local_modelorg);
-					TransformVector (local_modelorg, transformed_modelorg);
-
-					R_RotateBmodel ();	// FIXME: don't mess with the
-										// frustum, make entity passed in
-				}
-
-				pface = s->data;
-				miplevel = D_MipLevelForScale (s->nearzi * scale_for_mip
-											   * pface->texinfo->mipadjust);
-
-				// FIXME: make this passed in to D_CacheSurface
-				pcurrentcache = D_CacheSurface (pface, miplevel);
-
-				cacheblock = (pixel_t *) pcurrentcache->data;
-				cachewidth = pcurrentcache->width;
-
-				D_CalcGradients (pface);
-
-				(*d_drawspans) (s->spans);
-
-				D_DrawZSpans (s->spans);
-
-				if (s->insubmodel) {
-					// restore the old drawing state
-					// FIXME: we don't want to do this every time!
-					// TODO: speed up
-
-					VectorCopy (world_transformed_modelorg,
-								transformed_modelorg);
-					VectorCopy (base_vpn, vpn);
-					VectorCopy (base_vup, vup);
-					VectorCopy (base_vright, vright);
-					VectorCopy (base_modelorg, modelorg);
-					R_TransformFrustum ();
-					currententity = &r_worldentity;
-				}
-			}
-		}
-	}
-}

qw/source/d_fill.c

@@ -1,87 +0,0 @@
-/*
-	d_fill.c
-
-	clears a specified rectangle to the specified color
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "d_iface.h"
-
-
-void
-D_FillRect (vrect_t *rect, int color)
-{
-	int         rx, ry, rwidth, rheight;
-	unsigned char *dest;
-	unsigned int *ldest;
-
-	rx = rect->x;
-	ry = rect->y;
-	rwidth = rect->width;
-	rheight = rect->height;
-
-	if (rx < 0) {
-		rwidth += rx;
-		rx = 0;
-	}
-	if (ry < 0) {
-		rheight += ry;
-		ry = 0;
-	}
-	if (rx + rwidth > vid.width)
-		rwidth = vid.width - rx;
-	if (ry + rheight > vid.height)
-		rheight = vid.height - rx;
-
-	if (rwidth < 1 || rheight < 1)
-		return;
-
-	dest = ((byte *) vid.buffer + ry * vid.rowbytes + rx);
-
-	if (((rwidth & 0x03) == 0) && (((long) dest & 0x03) == 0)) {
-		// faster aligned dword clear
-		ldest = (unsigned int *) dest;
-		color += color << 16;
-
-		rwidth >>= 2;
-		color += color << 8;
-
-		for (ry = 0; ry < rheight; ry++) {
-			for (rx = 0; rx < rwidth; rx++)
-				ldest[rx] = color;
-			ldest = (unsigned int *) ((byte *) ldest + vid.rowbytes);
-		}
-	} else {
-		// slower byte-by-byte clear for unaligned cases
-		for (ry = 0; ry < rheight; ry++) {
-			for (rx = 0; rx < rwidth; rx++)
-				dest[rx] = color;
-			dest += vid.rowbytes;
-		}
-	}
-}

qw/source/d_init.c

@@ -1,150 +0,0 @@
-/*
-	d_init.c
-
-	rasterization driver initialization
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "QF/compat.h"
-#include "QF/cvar.h"
-#include "QF/vid.h"
-
-#include "bothdefs.h"
-#include "d_local.h"
-#include "r_cvar.h"
-#include "QF/render.h"
-
-#define NUM_MIPS	4
-
-surfcache_t *d_initial_rover;
-qboolean    d_roverwrapped;
-int         d_minmip;
-float       d_scalemip[NUM_MIPS - 1];
-
-static float basemip[NUM_MIPS - 1] = { 1.0, 0.5 * 0.8, 0.25 * 0.8 };
-
-extern int  d_aflatcolor;
-
-void        (*d_drawspans) (espan_t *pspan);
-
-
-void
-D_Init (void)
-{
-	r_skydirect = 1;
-
-	r_drawpolys = false;
-	r_worldpolysbacktofront = false;
-	r_recursiveaffinetriangles = true;
-	r_pixbytes = 1;
-	r_aliasuvscale = 1.0;
-
-	vid.surf_cache_size = D_SurfaceCacheForRes;
-	vid.flush_caches = D_FlushCaches;
-	vid.init_caches = D_InitCaches;
-
-	VID_InitBuffers ();
-}
-
-
-void
-D_CopyRects (vrect_t *prects, int transparent)
-{
-
-// this function is only required if the CPU doesn't have direct access to the
-// back buffer, and there's some driver interface function that the driver
-// doesn't support and requires Quake to do in software (such as drawing the
-// console); Quake will then draw into wherever the driver points vid.buffer
-// and will call this function before swapping buffers
-
-}
-
-
-void
-D_EnableBackBufferAccess (void)
-{
-
-	VID_LockBuffer ();
-}
-
-
-void
-D_TurnZOn (void)
-{
-// not needed for software version
-}
-
-
-void
-D_DisableBackBufferAccess (void)
-{
-	VID_UnlockBuffer ();
-}
-
-
-void
-D_SetupFrame (void)
-{
-	int         i;
-
-	if (r_dowarp)
-		d_viewbuffer = r_warpbuffer;
-	else
-		d_viewbuffer = (void *) (byte *) vid.buffer;
-
-	if (r_dowarp)
-		screenwidth = WARP_WIDTH;
-	else
-		screenwidth = vid.rowbytes;
-
-	d_roverwrapped = false;
-	d_initial_rover = sc_rover;
-
-	d_minmip = bound (0, d_mipcap->value, 3);
-
-	for (i = 0; i < (NUM_MIPS - 1); i++)
-		d_scalemip[i] = basemip[i] * d_mipscale->value;
-
-#ifdef USE_INTEL_ASM
-	if (d_subdiv16->int_val)
-		d_drawspans = D_DrawSpans16;
-	else
-		d_drawspans = D_DrawSpans8;
-#else
-	d_drawspans = D_DrawSpans8;
-#endif
-
-	d_aflatcolor = 0;
-}
-
-
-void
-D_UpdateRects (vrect_t *prect)
-{
-	// the software driver draws these directly to the vid buffer
-}

qw/source/d_modech.c

@@ -1,110 +0,0 @@
-/*
-	d_modech.c
-
-	called when mode has just changed
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "QF/sys.h"
-
-#include "d_local.h"
-#include "QF/render.h"
-
-int         d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle;
-
-int         d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift;
-
-int         d_scantable[MAXHEIGHT];
-short      *zspantable[MAXHEIGHT];
-
-
-void
-D_Patch (void)
-{
-#ifdef USE_INTEL_ASM
-
-	static qboolean protectset8 = false;
-
-	if (!protectset8) {
-		Sys_MakeCodeWriteable ((int) D_PolysetAff8Start,
-							   (int) D_PolysetAff8End -
-							   (int) D_PolysetAff8Start);
-		protectset8 = true;
-	}
-#endif // USE_INTEL_ASM
-}
-
-
-void
-D_ViewChanged (void)
-{
-	int         rowbytes;
-
-	if (r_dowarp)
-		rowbytes = WARP_WIDTH;
-	else
-		rowbytes = vid.rowbytes;
-
-	scale_for_mip = xscale;
-	if (yscale > xscale)
-		scale_for_mip = yscale;
-
-	d_zrowbytes = vid.width * 2;
-	d_zwidth = vid.width;
-
-	d_pix_min = r_refdef.vrect.width / 320;
-	if (d_pix_min < 1)
-		d_pix_min = 1;
-
-	d_pix_max = (int) ((float) r_refdef.vrect.width / (320.0 / 4.0) + 0.5);
-	d_pix_shift = 8 - (int) ((float) r_refdef.vrect.width / 320.0 + 0.5);
-	if (d_pix_max < 1)
-		d_pix_max = 1;
-
-	if (pixelAspect > 1.4)
-		d_y_aspect_shift = 1;
-	else
-		d_y_aspect_shift = 0;
-
-	d_vrectx = r_refdef.vrect.x;
-	d_vrecty = r_refdef.vrect.y;
-	d_vrectright_particle = r_refdef.vrectright - d_pix_max;
-	d_vrectbottom_particle =
-		r_refdef.vrectbottom - (d_pix_max << d_y_aspect_shift);
-
-	{
-		int         i;
-
-		for (i = 0; i < vid.height; i++) {
-			d_scantable[i] = i * rowbytes;
-			zspantable[i] = d_pzbuffer + i * d_zwidth;
-		}
-	}
-
-	D_Patch ();
-}

qw/source/d_part.c

@@ -1,176 +0,0 @@
-/*
-	d_part.c
-
-	software driver module for drawing particles
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "d_local.h"
-
-
-void
-D_EndParticles (void)
-{
-// not used by software driver
-}
-
-
-void
-D_StartParticles (void)
-{
-// not used by software driver
-}
-
-
-#ifndef USE_INTEL_ASM
-void
-D_DrawParticle (particle_t *pparticle)
-{
-	vec3_t      local, transformed;
-	float       zi;
-	byte       *pdest;
-	short      *pz;
-	int         i, izi, pix, count, u, v;
-
-	// transform point
-	VectorSubtract (pparticle->org, r_origin, local);
-
-	transformed[0] = DotProduct (local, r_pright);
-	transformed[1] = DotProduct (local, r_pup);
-	transformed[2] = DotProduct (local, r_ppn);
-
-	if (transformed[2] < PARTICLE_Z_CLIP)
-		return;
-
-	// project the point
-	// FIXME: preadjust xcenter and ycenter
-	zi = 1.0 / transformed[2];
-	u = (int) (xcenter + zi * transformed[0] + 0.5);
-	v = (int) (ycenter - zi * transformed[1] + 0.5);
-
-	if ((v > d_vrectbottom_particle) ||
-		(u > d_vrectright_particle) || (v < d_vrecty) || (u < d_vrectx)) {
-		return;
-	}
-
-	pz = d_pzbuffer + (d_zwidth * v) + u;
-	pdest = d_viewbuffer + d_scantable[v] + u;
-	izi = (int) (zi * 0x8000);
-
-	pix = izi >> d_pix_shift;
-
-	if (pix < d_pix_min)
-		pix = d_pix_min;
-	else if (pix > d_pix_max)
-		pix = d_pix_max;
-
-	switch (pix) {
-	case 1:
-		count = 1 << d_y_aspect_shift;
-		for (; count; count--, pz += d_zwidth, pdest += screenwidth) {
-			if (pz[0] <= izi) {
-				pz[0] = izi;
-				pdest[0] = pparticle->color;
-			}
-		}
-		break;
-
-	case 2:
-		count = 2 << d_y_aspect_shift;
-		for (; count; count--, pz += d_zwidth, pdest += screenwidth) {
-			if (pz[0] <= izi) {
-				pz[0] = izi;
-				pdest[0] = pparticle->color;
-			}
-
-			if (pz[1] <= izi) {
-				pz[1] = izi;
-				pdest[1] = pparticle->color;
-			}
-		}
-		break;
-
-	case 3:
-		count = 3 << d_y_aspect_shift;
-		for (; count; count--, pz += d_zwidth, pdest += screenwidth) {
-			if (pz[0] <= izi) {
-				pz[0] = izi;
-				pdest[0] = pparticle->color;
-			}
-
-			if (pz[1] <= izi) {
-				pz[1] = izi;
-				pdest[1] = pparticle->color;
-			}
-
-			if (pz[2] <= izi) {
-				pz[2] = izi;
-				pdest[2] = pparticle->color;
-			}
-		}
-		break;
-
-	case 4:
-		count = 4 << d_y_aspect_shift;
-		for (; count; count--, pz += d_zwidth, pdest += screenwidth) {
-			if (pz[0] <= izi) {
-				pz[0] = izi;
-				pdest[0] = pparticle->color;
-			}
-
-			if (pz[1] <= izi) {
-				pz[1] = izi;
-				pdest[1] = pparticle->color;
-			}
-
-			if (pz[2] <= izi) {
-				pz[2] = izi;
-				pdest[2] = pparticle->color;
-			}
-
-			if (pz[3] <= izi) {
-				pz[3] = izi;
-				pdest[3] = pparticle->color;
-			}
-		}
-		break;
-
-	default:
-		count = pix << d_y_aspect_shift;
-		for (; count; count--, pz += d_zwidth, pdest += screenwidth) {
-			for (i = 0; i < pix; i++) {
-				if (pz[i] <= izi) {
-					pz[i] = izi;
-					pdest[i] = pparticle->color;
-				}
-			}
-		}
-		break;
-	}
-}
-#endif // !USE_INTEL_ASM

qw/source/d_parta.S

@@ -1,484 +0,0 @@
-/*
-	d_parta.S
-
-	x86 assembly-language 8-bpp particle-drawing code.
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "QF/asm_i386.h"
-#include "quakeasm.h"
-#include "d_ifacea.h"
-#include "asm_draw.h"
-
-#ifdef USE_INTEL_ASM
-
-//----------------------------------------------------------------------
-// 8-bpp particle drawing code.
-//----------------------------------------------------------------------
-
-//FIXME: comments, full optimization
-
-//----------------------------------------------------------------------
-// 8-bpp particle queueing code.
-//----------------------------------------------------------------------
-
-	.text
-
-#define P	12+4
-
-	.align 4
-.globl C(D_DrawParticle)
-C(D_DrawParticle):
-	pushl	%ebp				// preserve caller's stack frame
-	pushl	%edi				// preserve register variables
-	pushl	%ebx
-
-	movl	P(%esp),%edi
-
-// FIXME: better FP overlap in general here
-
-// transform point
-//	VectorSubtract (p->org, r_origin, local);
-	flds	C(r_origin)
-	fsubrs	pt_org(%edi)
-	flds	pt_org+4(%edi)
-	fsubs	C(r_origin)+4
-	flds	pt_org+8(%edi)
-	fsubs	C(r_origin)+8
-	fxch	%st(2)			// local[0] | local[1] | local[2]
-
-//	transformed[2] = DotProduct(local, r_ppn);		
-	flds	C(r_ppn)		// r_ppn[0] | local[0] | local[1] | local[2]
-	fmul	%st(1),%st(0)	// dot0 | local[0] | local[1] | local[2]
-	flds	C(r_ppn)+4	// r_ppn[1] | dot0 | local[0] | local[1] | local[2]
-	fmul	%st(3),%st(0)	// dot1 | dot0 | local[0] | local[1] | local[2]
-	flds	C(r_ppn)+8	// r_ppn[2] | dot1 | dot0 | local[0] |
-						//  local[1] | local[2]
-	fmul	%st(5),%st(0)	// dot2 | dot1 | dot0 | local[0] | local[1] | local[2]
-	fxch	%st(2)		// dot0 | dot1 | dot2 | local[0] | local[1] | local[2]
-	faddp	%st(0),%st(1) // dot0 + dot1 | dot2 | local[0] | local[1] |
-						  //  local[2]
-	faddp	%st(0),%st(1) // z | local[0] | local[1] | local[2]
-	fld		%st(0)		// z | z | local[0] | local[1] |
-						//  local[2]
-	fdivrs	float_1		// 1/z | z | local[0] | local[1] | local[2]
-	fxch	%st(1)		// z | 1/z | local[0] | local[1] | local[2]
-
-//	if (transformed[2] < PARTICLE_Z_CLIP)
-//		return;
-	fcomps	float_particle_z_clip	// 1/z | local[0] | local[1] | local[2]
-	fxch	%st(3)					// local[2] | local[0] | local[1] | 1/z
-
-	flds	C(r_pup)	// r_pup[0] | local[2] | local[0] | local[1] | 1/z
-	fmul	%st(2),%st(0)	// dot0 | local[2] | local[0] | local[1] | 1/z 
-	flds	C(r_pup)+4	// r_pup[1] | dot0 | local[2] | local[0] |
-						//  local[1] | 1/z 
-
-	fnstsw	%ax
-	testb	$1,%ah
-	jnz		LPop6AndDone
-
-//	transformed[1] = DotProduct(local, r_pup);
-	fmul	%st(4),%st(0)	// dot1 | dot0 | local[2] | local[0] | local[1] | 1/z 
-	flds	C(r_pup)+8	// r_pup[2] | dot1 | dot0 | local[2] |
-						//  local[0] | local[1] | 1/z 
-	fmul	%st(3),%st(0)	// dot2 | dot1 | dot0 | local[2] | local[0] |
-						//  local[1] | 1/z 
-	fxch	%st(2)		// dot0 | dot1 | dot2 | local[2] | local[0] |
-						//  local[1] | 1/z 
-	faddp	%st(0),%st(1) // dot0 + dot1 | dot2 | local[2] | local[0] |
-						//  local[1] | 1/z 
-	faddp	%st(0),%st(1) // y | local[2] | local[0] | local[1] | 1/z 
-	fxch	%st(3)		// local[1] | local[2] | local[0] | y | 1/z 
-
-//	transformed[0] = DotProduct(local, r_pright);
-	fmuls	C(r_pright)+4	// dot1 | local[2] | local[0] | y | 1/z
-	fxch	%st(2)		// local[0] | local[2] | dot1 | y | 1/z
-	fmuls	C(r_pright)	// dot0 | local[2] | dot1 | y | 1/z
-	fxch	%st(1)		// local[2] | dot0 | dot1 | y | 1/z
-	fmuls	C(r_pright)+8	// dot2 | dot0 | dot1 | y | 1/z
-	fxch	%st(2)		// dot1 | dot0 | dot2 | y | 1/z
-	faddp	%st(0),%st(1) // dot1 + dot0 | dot2 | y | 1/z
-
-	faddp	%st(0),%st(1)	// x | y | 1/z
-	fxch	%st(1)			// y | x | 1/z
-
-// project the point
-	fmul	%st(2),%st(0)	// y/z | x | 1/z
-	fxch	%st(1)			// x | y/z | 1/z
-	fmul	%st(2),%st(0)	// x/z | y/z | 1/z
-	fxch	%st(1)			// y/z | x/z | 1/z
-	fsubrs	C(ycenter)		// v | x/z | 1/z
-	fxch	%st(1)			// x/z | v | 1/z
-	fadds	C(xcenter)		// u | v | 1/z
-// FIXME: preadjust xcenter and ycenter
-	fxch	%st(1)			// v | u | 1/z
-	fadds	float_point5	// v | u | 1/z
-	fxch	%st(1)			// u | v | 1/z
-	fadds	float_point5	// u | v | 1/z
-	fxch	%st(2)			// 1/z | v | u
-	fmuls	DP_32768		// 1/z * 0x8000 | v | u
-	fxch	%st(2)			// u | v | 1/z * 0x8000
-
-// FIXME: use Terje's fp->int trick here?
-// FIXME: check we're getting proper rounding here
-	fistpl	DP_u			// v | 1/z * 0x8000
-	fistpl	DP_v			// 1/z * 0x8000
-
-	movl	DP_u,%eax
-	movl	DP_v,%edx
-
-// if ((v > d_vrectbottom_particle) || 
-// 	(u > d_vrectright_particle) ||
-// 	(v < d_vrecty) ||
-// 	(u < d_vrectx))
-// {
-// 	continue;
-// }
-
-	movl	C(d_vrectbottom_particle),%ebx
-	movl	C(d_vrectright_particle),%ecx
-	cmpl	%ebx,%edx
-	jg		LPop1AndDone
-	cmpl	%ecx,%eax
-	jg		LPop1AndDone
-	movl	C(d_vrecty),%ebx
-	movl	C(d_vrectx),%ecx
-	cmpl	%ebx,%edx
-	jl		LPop1AndDone
-
-	cmpl	%ecx,%eax
-	jl		LPop1AndDone
-
-	flds	pt_color(%edi)	// color | 1/z * 0x8000
-// FIXME: use Terje's fast fp->int trick?
-	fistpl	DP_Color		// 1/z * 0x8000
-
-	movl	C(d_viewbuffer),%ebx
-
-	addl	%eax,%ebx
-	movl	C(d_scantable)(,%edx,4),%edi		// point to the pixel
-
-	imull	C(d_zrowbytes),%edx		// point to the z pixel
-
-	leal	(%edx,%eax,2),%edx
-	movl	C(d_pzbuffer),%eax
-
-	fistpl	izi
-
-	addl	%ebx,%edi
-	addl	%eax,%edx
-
-// pix = izi >> d_pix_shift;
-
-	movl	izi,%eax
-	movl	C(d_pix_shift),%ecx
-	shrl	%cl,%eax
-	movl	izi,%ebp
-
-// if (pix < d_pix_min)
-// 		pix = d_pix_min;
-// else if (pix > d_pix_max)
-//  	pix = d_pix_max;
-
-	movl	C(d_pix_min),%ebx
-	movl	C(d_pix_max),%ecx
-	cmpl	%ebx,%eax
-	jnl		LTestPixMax
-	movl	%ebx,%eax
-	jmp		LTestDone
-
-LTestPixMax:
-	cmpl	%ecx,%eax
-	jng		LTestDone
-	movl	%ecx,%eax
-LTestDone:
-
-	movb	DP_Color,%ch
-
-	movl	C(d_y_aspect_shift),%ebx
-	testl	%ebx,%ebx
-	jnz		LDefault
-
-	cmpl	$4,%eax
-	ja		LDefault
-
-	jmp		*DP_EntryTable-4(,%eax,4)
-
-// 1x1
-.globl	DP_1x1
-DP_1x1:
-	cmpw	%bp,(%edx)		// just one pixel to do
-	jg		LDone
-	movw	%bp,(%edx)
-	movb	%ch,(%edi)
-	jmp		LDone
-
-// 2x2
-.globl	DP_2x2
-DP_2x2:
-	pushl	%esi
-	movl	C(screenwidth),%ebx
-	movl	C(d_zrowbytes),%esi
-
-	cmpw	%bp,(%edx)
-	jg		L2x2_1
-	movw	%bp,(%edx)
-	movb	%ch,(%edi)
-L2x2_1:
-	cmpw	%bp,2(%edx)
-	jg		L2x2_2
-	movw	%bp,2(%edx)
-	movb	%ch,1(%edi)
-L2x2_2:
-	cmpw	%bp,(%edx,%esi,1)
-	jg		L2x2_3
-	movw	%bp,(%edx,%esi,1)
-	movb	%ch,(%edi,%ebx,1)
-L2x2_3:
-	cmpw	%bp,2(%edx,%esi,1)
-	jg		L2x2_4
-	movw	%bp,2(%edx,%esi,1)
-	movb	%ch,1(%edi,%ebx,1)
-L2x2_4:
-
-	popl	%esi
-	jmp		LDone
-
-// 3x3
-.globl	DP_3x3
-DP_3x3:
-	pushl	%esi
-	movl	C(screenwidth),%ebx
-	movl	C(d_zrowbytes),%esi
-
-	cmpw	%bp,(%edx)
-	jg		L3x3_1
-	movw	%bp,(%edx)
-	movb	%ch,(%edi)
-L3x3_1:
-	cmpw	%bp,2(%edx)
-	jg		L3x3_2
-	movw	%bp,2(%edx)
-	movb	%ch,1(%edi)
-L3x3_2:
-	cmpw	%bp,4(%edx)
-	jg		L3x3_3
-	movw	%bp,4(%edx)
-	movb	%ch,2(%edi)
-L3x3_3:
-
-	cmpw	%bp,(%edx,%esi,1)
-	jg		L3x3_4
-	movw	%bp,(%edx,%esi,1)
-	movb	%ch,(%edi,%ebx,1)
-L3x3_4:
-	cmpw	%bp,2(%edx,%esi,1)
-	jg		L3x3_5
-	movw	%bp,2(%edx,%esi,1)
-	movb	%ch,1(%edi,%ebx,1)
-L3x3_5:
-	cmpw	%bp,4(%edx,%esi,1)
-	jg		L3x3_6
-	movw	%bp,4(%edx,%esi,1)
-	movb	%ch,2(%edi,%ebx,1)
-L3x3_6:
-
-	cmpw	%bp,(%edx,%esi,2)
-	jg		L3x3_7
-	movw	%bp,(%edx,%esi,2)
-	movb	%ch,(%edi,%ebx,2)
-L3x3_7:
-	cmpw	%bp,2(%edx,%esi,2)
-	jg		L3x3_8
-	movw	%bp,2(%edx,%esi,2)
-	movb	%ch,1(%edi,%ebx,2)
-L3x3_8:
-	cmpw	%bp,4(%edx,%esi,2)
-	jg		L3x3_9
-	movw	%bp,4(%edx,%esi,2)
-	movb	%ch,2(%edi,%ebx,2)
-L3x3_9:
-
-	popl	%esi
-	jmp		LDone
-
-
-// 4x4
-.globl	DP_4x4
-DP_4x4:
-	pushl	%esi
-	movl	C(screenwidth),%ebx
-	movl	C(d_zrowbytes),%esi
-
-	cmpw	%bp,(%edx)
-	jg		L4x4_1
-	movw	%bp,(%edx)
-	movb	%ch,(%edi)
-L4x4_1:
-	cmpw	%bp,2(%edx)
-	jg		L4x4_2
-	movw	%bp,2(%edx)
-	movb	%ch,1(%edi)
-L4x4_2:
-	cmpw	%bp,4(%edx)
-	jg		L4x4_3
-	movw	%bp,4(%edx)
-	movb	%ch,2(%edi)
-L4x4_3:
-	cmpw	%bp,6(%edx)
-	jg		L4x4_4
-	movw	%bp,6(%edx)
-	movb	%ch,3(%edi)
-L4x4_4:
-
-	cmpw	%bp,(%edx,%esi,1)
-	jg		L4x4_5
-	movw	%bp,(%edx,%esi,1)
-	movb	%ch,(%edi,%ebx,1)
-L4x4_5:
-	cmpw	%bp,2(%edx,%esi,1)
-	jg		L4x4_6
-	movw	%bp,2(%edx,%esi,1)
-	movb	%ch,1(%edi,%ebx,1)
-L4x4_6:
-	cmpw	%bp,4(%edx,%esi,1)
-	jg		L4x4_7
-	movw	%bp,4(%edx,%esi,1)
-	movb	%ch,2(%edi,%ebx,1)
-L4x4_7:
-	cmpw	%bp,6(%edx,%esi,1)
-	jg		L4x4_8
-	movw	%bp,6(%edx,%esi,1)
-	movb	%ch,3(%edi,%ebx,1)
-L4x4_8:
-
-	leal	(%edx,%esi,2),%edx
-	leal	(%edi,%ebx,2),%edi
-
-	cmpw	%bp,(%edx)
-	jg		L4x4_9
-	movw	%bp,(%edx)
-	movb	%ch,(%edi)
-L4x4_9:
-	cmpw	%bp,2(%edx)
-	jg		L4x4_10
-	movw	%bp,2(%edx)
-	movb	%ch,1(%edi)
-L4x4_10:
-	cmpw	%bp,4(%edx)
-	jg		L4x4_11
-	movw	%bp,4(%edx)
-	movb	%ch,2(%edi)
-L4x4_11:
-	cmpw	%bp,6(%edx)
-	jg		L4x4_12
-	movw	%bp,6(%edx)
-	movb	%ch,3(%edi)
-L4x4_12:
-
-	cmpw	%bp,(%edx,%esi,1)
-	jg		L4x4_13
-	movw	%bp,(%edx,%esi,1)
-	movb	%ch,(%edi,%ebx,1)
-L4x4_13:
-	cmpw	%bp,2(%edx,%esi,1)
-	jg		L4x4_14
-	movw	%bp,2(%edx,%esi,1)
-	movb	%ch,1(%edi,%ebx,1)
-L4x4_14:
-	cmpw	%bp,4(%edx,%esi,1)
-	jg		L4x4_15
-	movw	%bp,4(%edx,%esi,1)
-	movb	%ch,2(%edi,%ebx,1)
-L4x4_15:
-	cmpw	%bp,6(%edx,%esi,1)
-	jg		L4x4_16
-	movw	%bp,6(%edx,%esi,1)
-	movb	%ch,3(%edi,%ebx,1)
-L4x4_16:
-
-	popl	%esi
-	jmp		LDone
-
-// default case, handling any size particle
-LDefault:
-
-// count = pix << d_y_aspect_shift;
-
-	movl	%eax,%ebx
-	movl	%eax,DP_Pix
-	movb	C(d_y_aspect_shift),%cl
-	shll	%cl,%ebx
-
-// for ( ; count ; count--, pz += d_zwidth, pdest += screenwidth)
-// {
-// 	for (i=0 ; i<pix ; i++)
-// 	{
-// 		if (pz[i] <= izi)
-// 		{
-// 			pz[i] = izi;
-// 			pdest[i] = color;
-// 		}
-// 	}
-// }
-
-LGenRowLoop:
-	movl	DP_Pix,%eax
-
-LGenColLoop:
-	cmpw	%bp,-2(%edx,%eax,2)
-	jg		LGSkip
-	movw	%bp,-2(%edx,%eax,2)
-	movb	%ch,-1(%edi,%eax,1)
-LGSkip:
-	decl	%eax			// --pix
-	jnz		LGenColLoop
-
-	addl	C(d_zrowbytes),%edx
-	addl	C(screenwidth),%edi
-
-	decl	%ebx			// --count
-	jnz		LGenRowLoop
-
-LDone:
-	popl	%ebx				// restore register variables
-	popl	%edi
-	popl	%ebp				// restore the caller's stack frame
-	ret
-
-LPop6AndDone:
-	fstp	%st(0)
-	fstp	%st(0)
-	fstp	%st(0)
-	fstp	%st(0)
-	fstp	%st(0)
-LPop1AndDone:
-	fstp	%st(0)
-	jmp		LDone
-
-#endif	// USE_INTEL_ASM

qw/source/d_polyse.c

@@ -1,965 +0,0 @@
-/*
-	d_polyse.c
-
-	routines for drawing sets of polygons sharing the same texture
-	(used for Alias models)
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "r_local.h"
-#include "d_local.h"
-
-// TODO: put in span spilling to shrink list size
-// !!! if this is changed, it must be changed in d_polysa.s too !!!
-#define DPS_MAXSPANS			MAXHEIGHT+1
-									// 1 extra for spanpackage that marks end
-
-// !!! if this is changed, it must be changed in asm_draw.h too !!!
-typedef struct {
-	void       *pdest;
-	short      *pz;
-	int         count;
-	byte       *ptex;
-	int         sfrac, tfrac, light, zi;
-} spanpackage_t;
-
-typedef struct {
-	int         isflattop;
-	int         numleftedges;
-	int        *pleftedgevert0;
-	int        *pleftedgevert1;
-	int        *pleftedgevert2;
-	int         numrightedges;
-	int        *prightedgevert0;
-	int        *prightedgevert1;
-	int        *prightedgevert2;
-} edgetable;
-
-int         r_p0[6], r_p1[6], r_p2[6];
-
-byte       *d_pcolormap;
-
-int         d_aflatcolor;
-int         d_xdenom;
-
-edgetable  *pedgetable;
-
-edgetable   edgetables[12] = {
-	{0, 1, r_p0, r_p2, NULL, 2, r_p0, r_p1, r_p2},
-	{0, 2, r_p1, r_p0, r_p2, 1, r_p1, r_p2, NULL},
-	{1, 1, r_p0, r_p2, NULL, 1, r_p1, r_p2, NULL},
-	{0, 1, r_p1, r_p0, NULL, 2, r_p1, r_p2, r_p0},
-	{0, 2, r_p0, r_p2, r_p1, 1, r_p0, r_p1, NULL},
-	{0, 1, r_p2, r_p1, NULL, 1, r_p2, r_p0, NULL},
-	{0, 1, r_p2, r_p1, NULL, 2, r_p2, r_p0, r_p1},
-	{0, 2, r_p2, r_p1, r_p0, 1, r_p2, r_p0, NULL},
-	{0, 1, r_p1, r_p0, NULL, 1, r_p1, r_p2, NULL},
-	{1, 1, r_p2, r_p1, NULL, 1, r_p0, r_p1, NULL},
-	{1, 1, r_p1, r_p0, NULL, 1, r_p2, r_p0, NULL},
-	{0, 1, r_p0, r_p2, NULL, 1, r_p0, r_p1, NULL},
-};
-
-// FIXME: some of these can become statics
-int         a_sstepxfrac, a_tstepxfrac, r_lstepx, a_ststepxwhole;
-int         r_sstepx, r_tstepx, r_lstepy, r_sstepy, r_tstepy;
-int         r_zistepx, r_zistepy;
-int         d_aspancount, d_countextrastep;
-
-spanpackage_t *a_spans;
-spanpackage_t *d_pedgespanpackage;
-static int  ystart;
-byte       *d_pdest, *d_ptex;
-short      *d_pz;
-int         d_sfrac, d_tfrac, d_light, d_zi;
-int         d_ptexextrastep, d_sfracextrastep;
-int         d_tfracextrastep, d_lightextrastep, d_pdestextrastep;
-int         d_lightbasestep, d_pdestbasestep, d_ptexbasestep;
-int         d_sfracbasestep, d_tfracbasestep;
-int         d_ziextrastep, d_zibasestep;
-int         d_pzextrastep, d_pzbasestep;
-
-typedef struct {
-	int         quotient;
-	int         remainder;
-} adivtab_t;
-
-static adivtab_t adivtab[32 * 32] = {
-#include "adivtab.h"
-};
-
-byte       *skintable[MAX_LBM_HEIGHT];
-int         skinwidth;
-byte       *skinstart;
-
-void        D_PolysetDrawSpans8 (spanpackage_t * pspanpackage);
-void        D_PolysetCalcGradients (int skinwidth);
-void        D_DrawSubdiv (void);
-void        D_DrawNonSubdiv (void);
-void        D_PolysetRecursiveTriangle (int *p1, int *p2, int *p3);
-void        D_PolysetSetEdgeTable (void);
-void        D_RasterizeAliasPolySmooth (void);
-void        D_PolysetScanLeftEdge (int height);
-
-#ifndef USE_INTEL_ASM
-
-void
-D_PolysetDraw (void)
-{
-	spanpackage_t spans[DPS_MAXSPANS + 1 +
-						((CACHE_SIZE - 1) / sizeof (spanpackage_t)) + 1];
-
-	// one extra because of cache line pretouching
-
-	a_spans = (spanpackage_t *)
-		(((long) &spans[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
-
-	if (r_affinetridesc.drawtype) {
-		D_DrawSubdiv ();
-	} else {
-		D_DrawNonSubdiv ();
-	}
-}
-
-
-void
-D_PolysetDrawFinalVerts (finalvert_t *fv, int numverts)
-{
-	int         i, z;
-	short      *zbuf;
-
-	for (i = 0; i < numverts; i++, fv++) {
-		// valid triangle coordinates for filling can include the bottom and
-		// right clip edges, due to the fill rule; these shouldn't be drawn
-		if ((fv->v[0] < r_refdef.vrectright) &&
-			(fv->v[1] < r_refdef.vrectbottom)) {
-			z = fv->v[5] >> 16;
-			zbuf = zspantable[fv->v[1]] + fv->v[0];
-			if (z >= *zbuf) {
-				int         pix;
-
-				*zbuf = z;
-				pix = skintable[fv->v[3] >> 16][fv->v[2] >> 16];
-				pix = ((byte *) acolormap)[pix + (fv->v[4] & 0xFF00)];
-				d_viewbuffer[d_scantable[fv->v[1]] + fv->v[0]] = pix;
-			}
-		}
-	}
-}
-
-
-void
-D_DrawSubdiv (void)
-{
-	mtriangle_t *ptri;
-	finalvert_t *pfv, *index0, *index1, *index2;
-	int         i;
-	int         lnumtriangles;
-
-	pfv = r_affinetridesc.pfinalverts;
-	ptri = r_affinetridesc.ptriangles;
-	lnumtriangles = r_affinetridesc.numtriangles;
-
-	for (i = 0; i < lnumtriangles; i++) {
-		index0 = pfv + ptri[i].vertindex[0];
-		index1 = pfv + ptri[i].vertindex[1];
-		index2 = pfv + ptri[i].vertindex[2];
-
-		if (((index0->v[1] - index1->v[1]) *
-			 (index0->v[0] - index2->v[0]) -
-			 (index0->v[0] - index1->v[0]) *
-			 (index0->v[1] - index2->v[1])) >= 0) {
-			continue;
-		}
-
-		d_pcolormap = &((byte *) acolormap)[index0->v[4] & 0xFF00];
-
-		if (ptri[i].facesfront) {
-			D_PolysetRecursiveTriangle (index0->v, index1->v, index2->v);
-		} else {
-			int         s0, s1, s2;
-
-			s0 = index0->v[2];
-			s1 = index1->v[2];
-			s2 = index2->v[2];
-
-			if (index0->flags & ALIAS_ONSEAM)
-				index0->v[2] += r_affinetridesc.seamfixupX16;
-			if (index1->flags & ALIAS_ONSEAM)
-				index1->v[2] += r_affinetridesc.seamfixupX16;
-			if (index2->flags & ALIAS_ONSEAM)
-				index2->v[2] += r_affinetridesc.seamfixupX16;
-
-			D_PolysetRecursiveTriangle (index0->v, index1->v, index2->v);
-
-			index0->v[2] = s0;
-			index1->v[2] = s1;
-			index2->v[2] = s2;
-		}
-	}
-}
-
-
-void
-D_DrawNonSubdiv (void)
-{
-	mtriangle_t *ptri;
-	finalvert_t *pfv, *index0, *index1, *index2;
-	int         i;
-	int         lnumtriangles;
-
-	pfv = r_affinetridesc.pfinalverts;
-	ptri = r_affinetridesc.ptriangles;
-	lnumtriangles = r_affinetridesc.numtriangles;
-
-	for (i = 0; i < lnumtriangles; i++, ptri++) {
-		index0 = pfv + ptri->vertindex[0];
-		index1 = pfv + ptri->vertindex[1];
-		index2 = pfv + ptri->vertindex[2];
-
-		d_xdenom = (index0->v[1] - index1->v[1]) *
-			(index0->v[0] - index2->v[0]) -
-			(index0->v[0] - index1->v[0]) * (index0->v[1] - index2->v[1]);
-
-		if (d_xdenom >= 0) {
-			continue;
-		}
-
-		r_p0[0] = index0->v[0];			// u
-		r_p0[1] = index0->v[1];			// v
-		r_p0[2] = index0->v[2];			// s
-		r_p0[3] = index0->v[3];			// t
-		r_p0[4] = index0->v[4];			// light
-		r_p0[5] = index0->v[5];			// iz
-
-		r_p1[0] = index1->v[0];
-		r_p1[1] = index1->v[1];
-		r_p1[2] = index1->v[2];
-		r_p1[3] = index1->v[3];
-		r_p1[4] = index1->v[4];
-		r_p1[5] = index1->v[5];
-
-		r_p2[0] = index2->v[0];
-		r_p2[1] = index2->v[1];
-		r_p2[2] = index2->v[2];
-		r_p2[3] = index2->v[3];
-		r_p2[4] = index2->v[4];
-		r_p2[5] = index2->v[5];
-
-		if (!ptri->facesfront) {
-			if (index0->flags & ALIAS_ONSEAM)
-				r_p0[2] += r_affinetridesc.seamfixupX16;
-			if (index1->flags & ALIAS_ONSEAM)
-				r_p1[2] += r_affinetridesc.seamfixupX16;
-			if (index2->flags & ALIAS_ONSEAM)
-				r_p2[2] += r_affinetridesc.seamfixupX16;
-		}
-
-		D_PolysetSetEdgeTable ();
-		D_RasterizeAliasPolySmooth ();
-	}
-}
-
-
-void
-D_PolysetRecursiveTriangle (int *lp1, int *lp2, int *lp3)
-{
-	int        *temp;
-	int         d;
-	int         new[6];
-	int         z;
-	short      *zbuf;
-
-	d = lp2[0] - lp1[0];
-	if (d < -1 || d > 1)
-		goto split;
-	d = lp2[1] - lp1[1];
-	if (d < -1 || d > 1)
-		goto split;
-
-	d = lp3[0] - lp2[0];
-	if (d < -1 || d > 1)
-		goto split2;
-	d = lp3[1] - lp2[1];
-	if (d < -1 || d > 1)
-		goto split2;
-
-	d = lp1[0] - lp3[0];
-	if (d < -1 || d > 1)
-		goto split3;
-	d = lp1[1] - lp3[1];
-	if (d < -1 || d > 1) {
-	  split3:
-		temp = lp1;
-		lp1 = lp3;
-		lp3 = lp2;
-		lp2 = temp;
-
-		goto split;
-	}
-
-	return;								// entire tri is filled
-
-  split2:
-	temp = lp1;
-	lp1 = lp2;
-	lp2 = lp3;
-	lp3 = temp;
-
-  split:
-	// split this edge
-	new[0] = (lp1[0] + lp2[0]) >> 1;
-	new[1] = (lp1[1] + lp2[1]) >> 1;
-	new[2] = (lp1[2] + lp2[2]) >> 1;
-	new[3] = (lp1[3] + lp2[3]) >> 1;
-	new[5] = (lp1[5] + lp2[5]) >> 1;
-
-	// draw the point if splitting a leading edge
-	if (lp2[1] > lp1[1])
-		goto nodraw;
-	if ((lp2[1] == lp1[1]) && (lp2[0] < lp1[0]))
-		goto nodraw;
-
-
-	z = new[5] >> 16;
-	zbuf = zspantable[new[1]] + new[0];
-	if (z >= *zbuf) {
-		int         pix;
-
-		*zbuf = z;
-		pix = d_pcolormap[skintable[new[3] >> 16][new[2] >> 16]];
-		d_viewbuffer[d_scantable[new[1]] + new[0]] = pix;
-	}
-
-  nodraw:
-	// recursively continue
-	D_PolysetRecursiveTriangle (lp3, lp1, new);
-	D_PolysetRecursiveTriangle (lp3, new, lp2);
-}
-
-#endif // !USE_INTEL_ASM
-
-
-void
-D_PolysetUpdateTables (void)
-{
-	int         i;
-	byte       *s;
-
-	if (r_affinetridesc.skinwidth != skinwidth ||
-		r_affinetridesc.pskin != skinstart) {
-		skinwidth = r_affinetridesc.skinwidth;
-		skinstart = r_affinetridesc.pskin;
-		s = skinstart;
-		for (i = 0; i < MAX_LBM_HEIGHT; i++, s += skinwidth)
-			skintable[i] = s;
-	}
-}
-
-
-#ifndef USE_INTEL_ASM
-void
-D_PolysetScanLeftEdge (int height)
-{
-
-	do {
-		d_pedgespanpackage->pdest = d_pdest;
-		d_pedgespanpackage->pz = d_pz;
-		d_pedgespanpackage->count = d_aspancount;
-		d_pedgespanpackage->ptex = d_ptex;
-
-		d_pedgespanpackage->sfrac = d_sfrac;
-		d_pedgespanpackage->tfrac = d_tfrac;
-
-		// FIXME: need to clamp l, s, t, at both ends?
-		d_pedgespanpackage->light = d_light;
-		d_pedgespanpackage->zi = d_zi;
-
-		d_pedgespanpackage++;
-
-		errorterm += erroradjustup;
-		if (errorterm >= 0) {
-			d_pdest += d_pdestextrastep;
-			d_pz += d_pzextrastep;
-			d_aspancount += d_countextrastep;
-			d_ptex += d_ptexextrastep;
-			d_sfrac += d_sfracextrastep;
-			d_ptex += d_sfrac >> 16;
-
-			d_sfrac &= 0xFFFF;
-			d_tfrac += d_tfracextrastep;
-			if (d_tfrac & 0x10000) {
-				d_ptex += r_affinetridesc.skinwidth;
-				d_tfrac &= 0xFFFF;
-			}
-			d_light += d_lightextrastep;
-			d_zi += d_ziextrastep;
-			errorterm -= erroradjustdown;
-		} else {
-			d_pdest += d_pdestbasestep;
-			d_pz += d_pzbasestep;
-			d_aspancount += ubasestep;
-			d_ptex += d_ptexbasestep;
-			d_sfrac += d_sfracbasestep;
-			d_ptex += d_sfrac >> 16;
-			d_sfrac &= 0xFFFF;
-			d_tfrac += d_tfracbasestep;
-			if (d_tfrac & 0x10000) {
-				d_ptex += r_affinetridesc.skinwidth;
-				d_tfrac &= 0xFFFF;
-			}
-			d_light += d_lightbasestep;
-			d_zi += d_zibasestep;
-		}
-	} while (--height);
-}
-#endif // !USE_INTEL_ASM
-
-
-void
-D_PolysetSetUpForLineScan (fixed8_t startvertu, fixed8_t startvertv,
-						   fixed8_t endvertu, fixed8_t endvertv)
-{
-	double      dm, dn;
-	int         tm, tn;
-	adivtab_t  *ptemp;
-
-// TODO: implement x86 version
-
-	errorterm = -1;
-
-	tm = endvertu - startvertu;
-	tn = endvertv - startvertv;
-
-	if (((tm <= 16) && (tm >= -15)) && ((tn <= 16) && (tn >= -15))) {
-		ptemp = &adivtab[((tm + 15) << 5) + (tn + 15)];
-		ubasestep = ptemp->quotient;
-		erroradjustup = ptemp->remainder;
-		erroradjustdown = tn;
-	} else {
-		dm = (double) tm;
-		dn = (double) tn;
-
-		FloorDivMod (dm, dn, &ubasestep, &erroradjustup);
-
-		erroradjustdown = dn;
-	}
-}
-
-
-#ifndef USE_INTEL_ASM
-void
-D_PolysetCalcGradients (int skinwidth)
-{
-	float       xstepdenominv, ystepdenominv, t0, t1;
-	float       p01_minus_p21, p11_minus_p21, p00_minus_p20, p10_minus_p20;
-
-	p00_minus_p20 = r_p0[0] - r_p2[0];
-	p01_minus_p21 = r_p0[1] - r_p2[1];
-	p10_minus_p20 = r_p1[0] - r_p2[0];
-	p11_minus_p21 = r_p1[1] - r_p2[1];
-
-	xstepdenominv = 1.0 / (float) d_xdenom;
-
-	ystepdenominv = -xstepdenominv;
-
-// ceil () for light so positive steps are exaggerated, negative steps
-// diminished,  pushing us away from underflow toward overflow. Underflow is
-// very visible, overflow is very unlikely, because of ambient lighting
-	t0 = r_p0[4] - r_p2[4];
-	t1 = r_p1[4] - r_p2[4];
-	r_lstepx = (int)
-		ceil ((t1 * p01_minus_p21 - t0 * p11_minus_p21) * xstepdenominv);
-	r_lstepy = (int)
-		ceil ((t1 * p00_minus_p20 - t0 * p10_minus_p20) * ystepdenominv);
-
-	t0 = r_p0[2] - r_p2[2];
-	t1 = r_p1[2] - r_p2[2];
-	r_sstepx = (int) ((t1 * p01_minus_p21 - t0 * p11_minus_p21) *
-					  xstepdenominv);
-	r_sstepy = (int) ((t1 * p00_minus_p20 - t0 * p10_minus_p20) *
-					  ystepdenominv);
-
-	t0 = r_p0[3] - r_p2[3];
-	t1 = r_p1[3] - r_p2[3];
-	r_tstepx = (int) ((t1 * p01_minus_p21 - t0 * p11_minus_p21) *
-					  xstepdenominv);
-	r_tstepy = (int) ((t1 * p00_minus_p20 - t0 * p10_minus_p20) *
-					  ystepdenominv);
-
-	t0 = r_p0[5] - r_p2[5];
-	t1 = r_p1[5] - r_p2[5];
-	r_zistepx = (int) ((t1 * p01_minus_p21 - t0 * p11_minus_p21) *
-					   xstepdenominv);
-	r_zistepy = (int) ((t1 * p00_minus_p20 - t0 * p10_minus_p20) *
-					   ystepdenominv);
-
-#ifdef USE_INTEL_ASM
-	a_sstepxfrac = r_sstepx << 16;
-	a_tstepxfrac = r_tstepx << 16;
-#else
-	a_sstepxfrac = r_sstepx & 0xFFFF;
-	a_tstepxfrac = r_tstepx & 0xFFFF;
-#endif
-
-	a_ststepxwhole = skinwidth * (r_tstepx >> 16) + (r_sstepx >> 16);
-}
-#endif // !USE_INTEL_ASM
-
-
-byte        gelmap[256];
-
-void
-InitGel (byte * palette)
-{
-	int         i;
-	int         r;
-
-	for (i = 0; i < 256; i++) {
-//      r = (palette[i*3]>>4);
-		r =
-			(palette[i * 3] + palette[i * 3 + 1] +
-			 palette[i * 3 + 2]) / (16 * 3);
-		gelmap[i] = /* 64 */ 0 + r;
-	}
-}
-
-
-#ifndef USE_INTEL_ASM
-void
-D_PolysetDrawSpans8 (spanpackage_t * pspanpackage)
-{
-	int         lcount;
-	byte       *lpdest;
-	byte       *lptex;
-	int         lsfrac, ltfrac;
-	int         llight;
-	int         lzi;
-	short      *lpz;
-
-	do {
-		lcount = d_aspancount - pspanpackage->count;
-
-		errorterm += erroradjustup;
-		if (errorterm >= 0) {
-			d_aspancount += d_countextrastep;
-			errorterm -= erroradjustdown;
-		} else {
-			d_aspancount += ubasestep;
-		}
-
-		if (lcount) {
-			lpdest = pspanpackage->pdest;
-			lptex = pspanpackage->ptex;
-			lpz = pspanpackage->pz;
-			lsfrac = pspanpackage->sfrac;
-			ltfrac = pspanpackage->tfrac;
-			llight = pspanpackage->light;
-			lzi = pspanpackage->zi;
-
-			do {
-				if ((lzi >> 16) >= *lpz) {
-					*lpdest = ((byte *) acolormap)[*lptex + (llight & 0xFF00)];
-// gel mapping                  *lpdest = gelmap[*lpdest];
-					*lpz = lzi >> 16;
-				}
-				lpdest++;
-				lzi += r_zistepx;
-				lpz++;
-				llight += r_lstepx;
-				lptex += a_ststepxwhole;
-				lsfrac += a_sstepxfrac;
-				lptex += lsfrac >> 16;
-				lsfrac &= 0xFFFF;
-				ltfrac += a_tstepxfrac;
-				if (ltfrac & 0x10000) {
-					lptex += r_affinetridesc.skinwidth;
-					ltfrac &= 0xFFFF;
-				}
-			} while (--lcount);
-		}
-
-		pspanpackage++;
-	} while (pspanpackage->count != -999999);
-}
-#endif // !USE_INTEL_ASM
-
-
-void
-D_PolysetFillSpans8 (spanpackage_t * pspanpackage)
-{
-	int         color;
-
-// FIXME: do z buffering
-
-	color = d_aflatcolor++;
-
-	while (1) {
-		int         lcount;
-		byte       *lpdest;
-
-		lcount = pspanpackage->count;
-
-		if (lcount == -1)
-			return;
-
-		if (lcount) {
-			lpdest = pspanpackage->pdest;
-
-			do {
-				*lpdest++ = color;
-			} while (--lcount);
-		}
-
-		pspanpackage++;
-	}
-}
-
-
-void
-D_RasterizeAliasPolySmooth (void)
-{
-	int         initialleftheight, initialrightheight;
-	int        *plefttop, *prighttop, *pleftbottom, *prightbottom;
-	int         working_lstepx, originalcount;
-
-	plefttop = pedgetable->pleftedgevert0;
-	prighttop = pedgetable->prightedgevert0;
-
-	pleftbottom = pedgetable->pleftedgevert1;
-	prightbottom = pedgetable->prightedgevert1;
-
-	initialleftheight = pleftbottom[1] - plefttop[1];
-	initialrightheight = prightbottom[1] - prighttop[1];
-
-	// set the s, t, and light gradients, which are consistent across the
-	// triangle, because being a triangle, things are affine
-	D_PolysetCalcGradients (r_affinetridesc.skinwidth);
-
-// rasterize the polygon
-
-	// scan out the top (and possibly only) part of the left edge
-	D_PolysetSetUpForLineScan (plefttop[0], plefttop[1],
-							   pleftbottom[0], pleftbottom[1]);
-
-	d_pedgespanpackage = a_spans;
-
-	ystart = plefttop[1];
-	d_aspancount = plefttop[0] - prighttop[0];
-
-	d_ptex = (byte *) r_affinetridesc.pskin + (plefttop[2] >> 16) +
-		(plefttop[3] >> 16) * r_affinetridesc.skinwidth;
-#ifdef USE_INTEL_ASM
-	d_sfrac = (plefttop[2] & 0xFFFF) << 16;
-	d_tfrac = (plefttop[3] & 0xFFFF) << 16;
-	d_pzbasestep = (d_zwidth + ubasestep) << 1;
-	d_pzextrastep = d_pzbasestep + 2;
-#else
-	d_sfrac = plefttop[2] & 0xFFFF;
-	d_tfrac = plefttop[3] & 0xFFFF;
-	d_pzbasestep = d_zwidth + ubasestep;
-	d_pzextrastep = d_pzbasestep + 1;
-#endif
-	d_light = plefttop[4];
-	d_zi = plefttop[5];
-
-	d_pdestbasestep = screenwidth + ubasestep;
-	d_pdestextrastep = d_pdestbasestep + 1;
-	d_pdest = (byte *) d_viewbuffer + ystart * screenwidth + plefttop[0];
-	d_pz = d_pzbuffer + ystart * d_zwidth + plefttop[0];
-
-// TODO: can reuse partial expressions here
-
-	// for negative steps in x along left edge, bias toward overflow rather
-	// than underflow (sort of turning the floor () we did in the gradient
-	// calcs into ceil (), but plus a little bit)
-	if (ubasestep < 0)
-		working_lstepx = r_lstepx - 1;
-	else
-		working_lstepx = r_lstepx;
-
-	d_countextrastep = ubasestep + 1;
-	d_ptexbasestep = ((r_sstepy + r_sstepx * ubasestep) >> 16) +
-		((r_tstepy + r_tstepx * ubasestep) >> 16) * r_affinetridesc.skinwidth;
-#ifdef USE_INTEL_ASM
-	d_sfracbasestep = (r_sstepy + r_sstepx * ubasestep) << 16;
-	d_tfracbasestep = (r_tstepy + r_tstepx * ubasestep) << 16;
-#else
-	d_sfracbasestep = (r_sstepy + r_sstepx * ubasestep) & 0xFFFF;
-	d_tfracbasestep = (r_tstepy + r_tstepx * ubasestep) & 0xFFFF;
-#endif
-	d_lightbasestep = r_lstepy + working_lstepx * ubasestep;
-	d_zibasestep = r_zistepy + r_zistepx * ubasestep;
-
-	d_ptexextrastep = ((r_sstepy + r_sstepx * d_countextrastep) >> 16) +
-		((r_tstepy + r_tstepx * d_countextrastep) >> 16) *
-		r_affinetridesc.skinwidth;
-#ifdef USE_INTEL_ASM
-	d_sfracextrastep = (r_sstepy + r_sstepx * d_countextrastep) << 16;
-	d_tfracextrastep = (r_tstepy + r_tstepx * d_countextrastep) << 16;
-#else
-	d_sfracextrastep = (r_sstepy + r_sstepx * d_countextrastep) & 0xFFFF;
-	d_tfracextrastep = (r_tstepy + r_tstepx * d_countextrastep) & 0xFFFF;
-#endif
-	d_lightextrastep = d_lightbasestep + working_lstepx;
-	d_ziextrastep = d_zibasestep + r_zistepx;
-
-	D_PolysetScanLeftEdge (initialleftheight);
-
-	// scan out the bottom part of the left edge, if it exists
-	if (pedgetable->numleftedges == 2) {
-		int         height;
-
-		plefttop = pleftbottom;
-		pleftbottom = pedgetable->pleftedgevert2;
-
-		D_PolysetSetUpForLineScan (plefttop[0], plefttop[1],
-								   pleftbottom[0], pleftbottom[1]);
-
-		height = pleftbottom[1] - plefttop[1];
-
-// TODO: make this a function; modularize this function in general
-
-		ystart = plefttop[1];
-		d_aspancount = plefttop[0] - prighttop[0];
-		d_ptex = (byte *) r_affinetridesc.pskin + (plefttop[2] >> 16) +
-			(plefttop[3] >> 16) * r_affinetridesc.skinwidth;
-		d_sfrac = 0;
-		d_tfrac = 0;
-		d_light = plefttop[4];
-		d_zi = plefttop[5];
-
-		d_pdestbasestep = screenwidth + ubasestep;
-		d_pdestextrastep = d_pdestbasestep + 1;
-		d_pdest = (byte *) d_viewbuffer + ystart * screenwidth + plefttop[0];
-#ifdef USE_INTEL_ASM
-		d_pzbasestep = (d_zwidth + ubasestep) << 1;
-		d_pzextrastep = d_pzbasestep + 2;
-#else
-		d_pzbasestep = d_zwidth + ubasestep;
-		d_pzextrastep = d_pzbasestep + 1;
-#endif
-		d_pz = d_pzbuffer + ystart * d_zwidth + plefttop[0];
-
-		if (ubasestep < 0)
-			working_lstepx = r_lstepx - 1;
-		else
-			working_lstepx = r_lstepx;
-
-		d_countextrastep = ubasestep + 1;
-		d_ptexbasestep = ((r_sstepy + r_sstepx * ubasestep) >> 16) +
-			((r_tstepy + r_tstepx * ubasestep) >> 16) *
-			r_affinetridesc.skinwidth;
-#ifdef USE_INTEL_ASM
-		d_sfracbasestep = (r_sstepy + r_sstepx * ubasestep) << 16;
-		d_tfracbasestep = (r_tstepy + r_tstepx * ubasestep) << 16;
-#else
-		d_sfracbasestep = (r_sstepy + r_sstepx * ubasestep) & 0xFFFF;
-		d_tfracbasestep = (r_tstepy + r_tstepx * ubasestep) & 0xFFFF;
-#endif
-		d_lightbasestep = r_lstepy + working_lstepx * ubasestep;
-		d_zibasestep = r_zistepy + r_zistepx * ubasestep;
-
-		d_ptexextrastep = ((r_sstepy + r_sstepx * d_countextrastep) >> 16) +
-			((r_tstepy + r_tstepx * d_countextrastep) >> 16) *
-			r_affinetridesc.skinwidth;
-#ifdef USE_INTEL_ASM
-		d_sfracextrastep =
-			((r_sstepy + r_sstepx * d_countextrastep) & 0xFFFF) << 16;
-		d_tfracextrastep =
-			((r_tstepy + r_tstepx * d_countextrastep) & 0xFFFF) << 16;
-#else
-		d_sfracextrastep = (r_sstepy + r_sstepx * d_countextrastep) & 0xFFFF;
-		d_tfracextrastep = (r_tstepy + r_tstepx * d_countextrastep) & 0xFFFF;
-#endif
-		d_lightextrastep = d_lightbasestep + working_lstepx;
-		d_ziextrastep = d_zibasestep + r_zistepx;
-
-		D_PolysetScanLeftEdge (height);
-	}
-	// scan out the top (and possibly only) part of the right edge, updating
-	// the count field
-	d_pedgespanpackage = a_spans;
-
-	D_PolysetSetUpForLineScan (prighttop[0], prighttop[1],
-							   prightbottom[0], prightbottom[1]);
-	d_aspancount = 0;
-	d_countextrastep = ubasestep + 1;
-	originalcount = a_spans[initialrightheight].count;
-	a_spans[initialrightheight].count = -999999;	// mark end of the
-													// spanpackages
-	D_PolysetDrawSpans8 (a_spans);
-
-	// scan out the bottom part of the right edge, if it exists
-	if (pedgetable->numrightedges == 2) {
-		int         height;
-		spanpackage_t *pstart;
-
-		pstart = a_spans + initialrightheight;
-		pstart->count = originalcount;
-
-		d_aspancount = prightbottom[0] - prighttop[0];
-
-		prighttop = prightbottom;
-		prightbottom = pedgetable->prightedgevert2;
-
-		height = prightbottom[1] - prighttop[1];
-
-		D_PolysetSetUpForLineScan (prighttop[0], prighttop[1],
-								   prightbottom[0], prightbottom[1]);
-
-		d_countextrastep = ubasestep + 1;
-		a_spans[initialrightheight + height].count = -999999;
-		// mark end of the spanpackages
-		D_PolysetDrawSpans8 (pstart);
-	}
-}
-
-
-void
-D_PolysetSetEdgeTable (void)
-{
-	int         edgetableindex;
-
-	edgetableindex = 0;					// assume the vertices are already in
-										// top to bottom order
-
-	// determine which edges are right & left, and the order in which
-	// to rasterize them
-	if (r_p0[1] >= r_p1[1]) {
-		if (r_p0[1] == r_p1[1]) {
-			if (r_p0[1] < r_p2[1])
-				pedgetable = &edgetables[2];
-			else
-				pedgetable = &edgetables[5];
-
-			return;
-		} else {
-			edgetableindex = 1;
-		}
-	}
-
-	if (r_p0[1] == r_p2[1]) {
-		if (edgetableindex)
-			pedgetable = &edgetables[8];
-		else
-			pedgetable = &edgetables[9];
-
-		return;
-	} else if (r_p1[1] == r_p2[1]) {
-		if (edgetableindex)
-			pedgetable = &edgetables[10];
-		else
-			pedgetable = &edgetables[11];
-
-		return;
-	}
-
-	if (r_p0[1] > r_p2[1])
-		edgetableindex += 2;
-
-	if (r_p1[1] > r_p2[1])
-		edgetableindex += 4;
-
-	pedgetable = &edgetables[edgetableindex];
-}
-
-
-#if 0
-
-void
-D_PolysetRecursiveDrawLine (int *lp1, int *lp2)
-{
-	int         d;
-	int         new[6];
-	int         ofs;
-
-	d = lp2[0] - lp1[0];
-	if (d < -1 || d > 1)
-		goto split;
-	d = lp2[1] - lp1[1];
-	if (d < -1 || d > 1)
-		goto split;
-
-	return;								// line is completed
-
-  split:
-	// split this edge
-	new[0] = (lp1[0] + lp2[0]) >> 1;
-	new[1] = (lp1[1] + lp2[1]) >> 1;
-	new[5] = (lp1[5] + lp2[5]) >> 1;
-	new[2] = (lp1[2] + lp2[2]) >> 1;
-	new[3] = (lp1[3] + lp2[3]) >> 1;
-	new[4] = (lp1[4] + lp2[4]) >> 1;
-
-	// draw the point
-	ofs = d_scantable[new[1]] + new[0];
-	if (new[5] > d_pzbuffer[ofs]) {
-		int         pix;
-
-		d_pzbuffer[ofs] = new[5];
-		pix = skintable[new[3] >> 16][new[2] >> 16];
-//		pix = ((byte *)acolormap)[pix + (new[4] & 0xFF00)];
-		d_viewbuffer[ofs] = pix;
-	}
-	// recursively continue
-	D_PolysetRecursiveDrawLine (lp1, new);
-	D_PolysetRecursiveDrawLine (new, lp2);
-}
-
-
-void
-D_PolysetRecursiveTriangle2 (int *lp1, int *lp2, int *lp3)
-{
-	int         d;
-	int         new[4];
-
-	d = lp2[0] - lp1[0];
-	if (d < -1 || d > 1)
-		goto split;
-	d = lp2[1] - lp1[1];
-	if (d < -1 || d > 1)
-		goto split;
-	return;
-
-  split:
-	// split this edge
-	new[0] = (lp1[0] + lp2[0]) >> 1;
-	new[1] = (lp1[1] + lp2[1]) >> 1;
-	new[5] = (lp1[5] + lp2[5]) >> 1;
-	new[2] = (lp1[2] + lp2[2]) >> 1;
-	new[3] = (lp1[3] + lp2[3]) >> 1;
-	new[4] = (lp1[4] + lp2[4]) >> 1;
-
-	D_PolysetRecursiveDrawLine (new, lp3);
-
-	// recursively continue
-	D_PolysetRecursiveTriangle (lp1, new, lp3);
-	D_PolysetRecursiveTriangle (new, lp2, lp3);
-}
-
-#endif

qw/source/d_scana.S

@@ -1,96 +0,0 @@
-/*
-	d_scana.S
-
-	x86 assembly-language turbulent texture mapping code
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "QF/asm_i386.h"
-#include "quakeasm.h"
-#include "asm_draw.h"
-#include "d_ifacea.h"
-
-#ifdef USE_INTEL_ASM
-
-	.data
-
-	.text
-
-//----------------------------------------------------------------------
-// turbulent texture mapping code
-//----------------------------------------------------------------------
-
-	.align 4
-.globl C(D_DrawTurbulent8Span)
-C(D_DrawTurbulent8Span):
-	pushl	%ebp				// preserve caller's stack frame pointer
-	pushl	%esi				// preserve register variables
-	pushl	%edi
-	pushl	%ebx
-
-	movl	C(r_turb_s),%esi
-	movl	C(r_turb_t),%ecx
-	movl	C(r_turb_pdest),%edi
-	movl	C(r_turb_spancount),%ebx
-
-Llp:
-	movl	%ecx,%eax
-	movl	%esi,%edx
-	sarl	$16,%eax
-	movl	C(r_turb_turb),%ebp
-	sarl	$16,%edx
-	andl	$(CYCLE-1),%eax
-	andl	$(CYCLE-1),%edx
-	movl	(%ebp,%eax,4),%eax
-	movl	(%ebp,%edx,4),%edx
-	addl	%esi,%eax
-	sarl	$16,%eax
-	addl	%ecx,%edx
-	sarl	$16,%edx
-	andl	$(TURB_TEX_SIZE-1),%eax
-	andl	$(TURB_TEX_SIZE-1),%edx
-	shll	$6,%edx
-	movl	C(r_turb_pbase),%ebp
-	addl	%eax,%edx
-	incl	%edi
-	addl	C(r_turb_sstep),%esi
-	addl	C(r_turb_tstep),%ecx
-	movb	(%ebp,%edx,1),%dl
-	decl	%ebx
-	movb	%dl,-1(%edi)
-	jnz		Llp
-
-	movl	%edi,C(r_turb_pdest)
-
-	popl	%ebx				// restore register variables
-	popl	%edi
-	popl	%esi
-	popl	%ebp				// restore caller's stack frame pointer
-	ret
-
-#endif	// USE_INTEL_ASM
-

qw/source/d_sky.c

@@ -1,134 +0,0 @@
-/*
-	d_sky.c
-
-	(description)
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "d_local.h"
-#include "r_local.h"
-#include "QF/render.h"
-
-#define SKY_SPAN_SHIFT	5
-#define SKY_SPAN_MAX	(1 << SKY_SPAN_SHIFT)
-
-
-void
-D_Sky_uv_To_st (int u, int v, fixed16_t *s, fixed16_t *t)
-{
-	float       wu, wv, temp;
-	vec3_t      end;
-
-	if (r_refdef.vrect.width >= r_refdef.vrect.height)
-		temp = (float) r_refdef.vrect.width;
-	else
-		temp = (float) r_refdef.vrect.height;
-
-	wu = 8192.0 * (float) (u - ((int) vid.width >> 1)) / temp;
-	wv = 8192.0 * (float) (((int) vid.height >> 1) - v) / temp;
-
-	end[0] = 4096 * vpn[0] + wu * vright[0] + wv * vup[0];
-	end[1] = 4096 * vpn[1] + wu * vright[1] + wv * vup[1];
-	end[2] = 4096 * vpn[2] + wu * vright[2] + wv * vup[2];
-	end[2] *= 3;
-	VectorNormalize (end);
-
-	temp = skytime * skyspeed;			// TODO: add D_SetupFrame & set this
-										// there
-	*s = (int) ((temp + 6 * (SKYSIZE / 2 - 1) * end[0]) * 0x10000);
-	*t = (int) ((temp + 6 * (SKYSIZE / 2 - 1) * end[1]) * 0x10000);
-}
-
-
-void
-D_DrawSkyScans8 (espan_t *pspan)
-{
-	int         count, spancount, u, v;
-	unsigned char *pdest;
-	fixed16_t   s, t, snext, tnext, sstep, tstep;
-	int         spancountminus1;
-
-	sstep = 0;							// keep compiler happy
-	tstep = 0;							// ditto
-
-	do {
-		pdest = (unsigned char *) ((byte *) d_viewbuffer +
-								   (screenwidth * pspan->v) + pspan->u);
-
-		count = pspan->count;
-
-		// calculate the initial s & t
-		u = pspan->u;
-		v = pspan->v;
-		D_Sky_uv_To_st (u, v, &s, &t);
-
-		do {
-			if (count >= SKY_SPAN_MAX)
-				spancount = SKY_SPAN_MAX;
-			else
-				spancount = count;
-
-			count -= spancount;
-
-			if (count) {
-				u += spancount;
-
-				// calculate s and t at far end of span,
-				// calculate s and t steps across span by shifting
-				D_Sky_uv_To_st (u, v, &snext, &tnext);
-
-				sstep = (snext - s) >> SKY_SPAN_SHIFT;
-				tstep = (tnext - t) >> SKY_SPAN_SHIFT;
-			} else {
-				// calculate s and t at last pixel in span,
-				// calculate s and t steps across span by division
-				spancountminus1 = (float) (spancount - 1);
-
-				if (spancountminus1 > 0) {
-					u += spancountminus1;
-					D_Sky_uv_To_st (u, v, &snext, &tnext);
-
-					sstep = (snext - s) / spancountminus1;
-					tstep = (tnext - t) / spancountminus1;
-				}
-			}
-
-			do {
-				*pdest++ = r_skysource[((t & R_SKY_TMASK) >> 8) +
-									   ((s & R_SKY_SMASK) >> 16)];
-				s += sstep;
-				t += tstep;
-			} while (--spancount > 0);
-
-			s = snext;
-			t = tnext;
-
-		} while (count > 0);
-
-	} while ((pspan = pspan->pnext) != NULL);
-}

qw/source/d_spr8.S

@@ -1,907 +0,0 @@
-/*
-	d_spr8.S
-
-	x86 assembly-language horizontal 8-bpp transparent span-drawing code.
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "QF/asm_i386.h"
-#include "quakeasm.h"
-#include "asm_draw.h"
-
-#ifdef USE_INTEL_ASM
-
-//----------------------------------------------------------------------
-// 8-bpp horizontal span drawing code for polygons, with transparency.
-//----------------------------------------------------------------------
-
-	.text
-
-// out-of-line, rarely-needed clamping code
-
-LClampHigh0:
-	movl	C(bbextents),%esi
-	jmp		LClampReentry0
-LClampHighOrLow0:
-	jg		LClampHigh0
-	xorl	%esi,%esi
-	jmp		LClampReentry0
-
-LClampHigh1:
-	movl	C(bbextentt),%edx
-	jmp		LClampReentry1
-LClampHighOrLow1:
-	jg		LClampHigh1
-	xorl	%edx,%edx
-	jmp		LClampReentry1
-
-LClampLow2:
-	movl	$2048,%ebp
-	jmp		LClampReentry2
-LClampHigh2:
-	movl	C(bbextents),%ebp
-	jmp		LClampReentry2
-
-LClampLow3:
-	movl	$2048,%ecx
-	jmp		LClampReentry3
-LClampHigh3:
-	movl	C(bbextentt),%ecx
-	jmp		LClampReentry3
-
-LClampLow4:
-	movl	$2048,%eax
-	jmp		LClampReentry4
-LClampHigh4:
-	movl	C(bbextents),%eax
-	jmp		LClampReentry4
-
-LClampLow5:
-	movl	$2048,%ebx
-	jmp		LClampReentry5
-LClampHigh5:
-	movl	C(bbextentt),%ebx
-	jmp		LClampReentry5
-
-
-#define pspans	4+16
-
-	.align 4
-.globl C(D_SpriteDrawSpans)
-C(D_SpriteDrawSpans):
-	pushl	%ebp				// preserve caller's stack frame
-	pushl	%edi
-	pushl	%esi				// preserve register variables
-	pushl	%ebx
-
-//
-// set up scaled-by-8 steps, for 8-long segments; also set up cacheblock
-// and span list pointers, and 1/z step in 0.32 fixed-point
-//
-// FIXME: any overlap from rearranging?
-	flds	C(d_sdivzstepu)
-	fmuls	fp_8
-	movl	C(cacheblock),%edx
-	flds	C(d_tdivzstepu)
-	fmuls	fp_8
-	movl	pspans(%esp),%ebx	// point to the first span descriptor
-	flds	C(d_zistepu)
-	fmuls	fp_8
-	movl	%edx,pbase			// pbase = cacheblock
-	flds	C(d_zistepu)
-	fmuls	fp_64kx64k
-	fxch	%st(3)
-	fstps	sdivz8stepu
-	fstps	zi8stepu
-	fstps	tdivz8stepu
-	fistpl	izistep
-	movl	izistep,%eax
-	rorl	$16,%eax		// put upper 16 bits in low word
-	movl	sspan_t_count(%ebx),%ecx
-	movl	%eax,izistep
-
-	cmpl	$0,%ecx
-	jle		LNextSpan
-
-LSpanLoop:
-
-//
-// set up the initial s/z, t/z, and 1/z on the FP stack, and generate the
-// initial s and t values
-//
-// FIXME: pipeline FILD?
-	fildl	sspan_t_v(%ebx)
-	fildl	sspan_t_u(%ebx)
-
-	fld		%st(1)			// dv | du | dv
-	fmuls	C(d_sdivzstepv)	// dv*d_sdivzstepv | du | dv
-	fld		%st(1)			// du | dv*d_sdivzstepv | du | dv
-	fmuls	C(d_sdivzstepu)	// du*d_sdivzstepu | dv*d_sdivzstepv | du | dv
-	fld		%st(2)			// du | du*d_sdivzstepu | dv*d_sdivzstepv | du | dv
-	fmuls	C(d_tdivzstepu)	// du*d_tdivzstepu | du*d_sdivzstepu |
-							//  dv*d_sdivzstepv | du | dv
-	fxch	%st(1)			// du*d_sdivzstepu | du*d_tdivzstepu |
-							//  dv*d_sdivzstepv | du | dv
-	faddp	%st(0),%st(2)	// du*d_tdivzstepu |
-							//  du*d_sdivzstepu + dv*d_sdivzstepv | du | dv
-	fxch	%st(1)			// du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  du*d_tdivzstepu | du | dv
-	fld		%st(3)			// dv | du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  du*d_tdivzstepu | du | dv
-	fmuls	C(d_tdivzstepv)	// dv*d_tdivzstepv |
-							//  du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  du*d_tdivzstepu | du | dv
-	fxch	%st(1)			// du*d_sdivzstepu + dv*d_sdivzstepv |
-							//  dv*d_tdivzstepv | du*d_tdivzstepu | du | dv
-	fadds	C(d_sdivzorigin) // sdivz = d_sdivzorigin + dv*d_sdivzstepv +
-							//  du*d_sdivzstepu; stays in %st(2) at end
-	fxch	%st(4)			// dv | dv*d_tdivzstepv | du*d_tdivzstepu | du |
-							//  s/z
-	fmuls	C(d_zistepv)		// dv*d_zistepv | dv*d_tdivzstepv |
-							//  du*d_tdivzstepu | du | s/z
-	fxch	%st(1)			// dv*d_tdivzstepv |  dv*d_zistepv |
-							//  du*d_tdivzstepu | du | s/z
-	faddp	%st(0),%st(2)	// dv*d_zistepv |
-							//  dv*d_tdivzstepv + du*d_tdivzstepu | du | s/z
-	fxch	%st(2)			// du | dv*d_tdivzstepv + du*d_tdivzstepu |
-							//  dv*d_zistepv | s/z
-	fmuls	C(d_zistepu)		// du*d_zistepu |
-							//  dv*d_tdivzstepv + du*d_tdivzstepu |
-							//  dv*d_zistepv | s/z
-	fxch	%st(1)			// dv*d_tdivzstepv + du*d_tdivzstepu |
-							//  du*d_zistepu | dv*d_zistepv | s/z
-	fadds	C(d_tdivzorigin)	// tdivz = d_tdivzorigin + dv*d_tdivzstepv +
-							//  du*d_tdivzstepu; stays in %st(1) at end
-	fxch	%st(2)			// dv*d_zistepv | du*d_zistepu | t/z | s/z
-	faddp	%st(0),%st(1)	// dv*d_zistepv + du*d_zistepu | t/z | s/z
-
-	flds	fp_64k			// fp_64k | dv*d_zistepv + du*d_zistepu | t/z | s/z
-	fxch	%st(1)			// dv*d_zistepv + du*d_zistepu | fp_64k | t/z | s/z
-	fadds	C(d_ziorigin)		// zi = d_ziorigin + dv*d_zistepv +
-							//  du*d_zistepu; stays in %st(0) at end
-							// 1/z | fp_64k | t/z | s/z
-
-	fld		%st(0)			// FIXME: get rid of stall on FMUL?
-	fmuls	fp_64kx64k
-	fxch	%st(1)
-
-//
-// calculate and clamp s & t
-//
-	fdivr	%st(0),%st(2)	// 1/z | z*64k | t/z | s/z
-	fxch	%st(1)
-
-	fistpl	izi				// 0.32 fixed-point 1/z
-	movl	izi,%ebp
-
-//
-// set pz to point to the first z-buffer pixel in the span
-//
-	rorl	$16,%ebp		// put upper 16 bits in low word
-	movl	sspan_t_v(%ebx),%eax
-	movl	%ebp,izi
-	movl	sspan_t_u(%ebx),%ebp
-	imull	C(d_zrowbytes)
-	shll	$1,%ebp					// a word per pixel
-	addl	C(d_pzbuffer),%eax
-	addl	%ebp,%eax
-	movl	%eax,pz
-
-//
-// point %edi to the first pixel in the span
-//
-	movl	C(d_viewbuffer),%ebp
-	movl	sspan_t_v(%ebx),%eax
-	pushl	%ebx		// preserve spans pointer
-	movl	C(tadjust),%edx
-	movl	C(sadjust),%esi
-	movl	C(d_scantable)(,%eax,4),%edi	// v * screenwidth
-	addl	%ebp,%edi
-	movl	sspan_t_u(%ebx),%ebp
-	addl	%ebp,%edi				// pdest = &pdestspan[scans->u];
-
-//
-// now start the FDIV for the end of the span
-//
-	cmpl	$8,%ecx
-	ja		LSetupNotLast1
-
-	decl	%ecx
-	jz		LCleanup1		// if only one pixel, no need to start an FDIV
-	movl	%ecx,spancountminus1
-
-// finish up the s and t calcs
-	fxch	%st(1)			// z*64k | 1/z | t/z | s/z
-
-	fld		%st(0)			// z*64k | z*64k | 1/z | t/z | s/z
-	fmul	%st(4),%st(0)	// s | z*64k | 1/z | t/z | s/z
-	fxch	%st(1)			// z*64k | s | 1/z | t/z | s/z
-	fmul	%st(3),%st(0)	// t | s | 1/z | t/z | s/z
-	fxch	%st(1)			// s | t | 1/z | t/z | s/z
-	fistpl	s				// 1/z | t | t/z | s/z
-	fistpl	t				// 1/z | t/z | s/z
-
-	fildl	spancountminus1
-
-	flds	C(d_tdivzstepu)	// _d_tdivzstepu | spancountminus1
-	flds	C(d_zistepu)	// _d_zistepu | _d_tdivzstepu | spancountminus1
-	fmul	%st(2),%st(0)	// _d_zistepu*scm1 | _d_tdivzstepu | scm1
-	fxch	%st(1)			// _d_tdivzstepu | _d_zistepu*scm1 | scm1
-	fmul	%st(2),%st(0)	// _d_tdivzstepu*scm1 | _d_zistepu*scm1 | scm1
-	fxch	%st(2)			// scm1 | _d_zistepu*scm1 | _d_tdivzstepu*scm1
-	fmuls	C(d_sdivzstepu)	// _d_sdivzstepu*scm1 | _d_zistepu*scm1 |
-							//  _d_tdivzstepu*scm1
-	fxch	%st(1)			// _d_zistepu*scm1 | _d_sdivzstepu*scm1 |
-							//  _d_tdivzstepu*scm1
-	faddp	%st(0),%st(3)	// _d_sdivzstepu*scm1 | _d_tdivzstepu*scm1
-	fxch	%st(1)			// _d_tdivzstepu*scm1 | _d_sdivzstepu*scm1
-	faddp	%st(0),%st(3)	// _d_sdivzstepu*scm1
-	faddp	%st(0),%st(3)
-
-	flds	fp_64k
-	fdiv	%st(1),%st(0)	// this is what we've gone to all this trouble to
-							//  overlap
-	jmp		LFDIVInFlight1
-
-LCleanup1:
-// finish up the s and t calcs
-	fxch	%st(1)			// z*64k | 1/z | t/z | s/z
-
-	fld		%st(0)			// z*64k | z*64k | 1/z | t/z | s/z
-	fmul	%st(4),%st(0)	// s | z*64k | 1/z | t/z | s/z
-	fxch	%st(1)			// z*64k | s | 1/z | t/z | s/z
-	fmul	%st(3),%st(0)	// t | s | 1/z | t/z | s/z
-	fxch	%st(1)			// s | t | 1/z | t/z | s/z
-	fistpl	s				// 1/z | t | t/z | s/z
-	fistpl	t				// 1/z | t/z | s/z
-	jmp		LFDIVInFlight1
-
-	.align	4
-LSetupNotLast1:
-// finish up the s and t calcs
-	fxch	%st(1)			// z*64k | 1/z | t/z | s/z
-
-	fld		%st(0)			// z*64k | z*64k | 1/z | t/z | s/z
-	fmul	%st(4),%st(0)	// s | z*64k | 1/z | t/z | s/z
-	fxch	%st(1)			// z*64k | s | 1/z | t/z | s/z
-	fmul	%st(3),%st(0)	// t | s | 1/z | t/z | s/z
-	fxch	%st(1)			// s | t | 1/z | t/z | s/z
-	fistpl	s				// 1/z | t | t/z | s/z
-	fistpl	t				// 1/z | t/z | s/z
-
-	fadds	zi8stepu
-	fxch	%st(2)
-	fadds	sdivz8stepu
-	fxch	%st(2)
-	flds	tdivz8stepu
-	faddp	%st(0),%st(2)
-	flds	fp_64k
-	fdiv	%st(1),%st(0)	// z = 1/1/z
-							// this is what we've gone to all this trouble to
-							//  overlap
-LFDIVInFlight1:
-
-	addl	s,%esi
-	addl	t,%edx
-	movl	C(bbextents),%ebx
-	movl	C(bbextentt),%ebp
-	cmpl	%ebx,%esi
-	ja		LClampHighOrLow0
-LClampReentry0:
-	movl	%esi,s
-	movl	pbase,%ebx
-	shll	$16,%esi
-	cmpl	%ebp,%edx
-	movl	%esi,sfracf
-	ja		LClampHighOrLow1
-LClampReentry1:
-	movl	%edx,t
-	movl	s,%esi					// sfrac = scans->sfrac;
-	shll	$16,%edx
-	movl	t,%eax					// tfrac = scans->tfrac;
-	sarl	$16,%esi
-	movl	%edx,tfracf
-
-//
-// calculate the texture starting address
-//
-	sarl	$16,%eax
-	addl	%ebx,%esi
-	imull	C(cachewidth),%eax		// (tfrac >> 16) * cachewidth
-	addl	%eax,%esi				// psource = pbase + (sfrac >> 16) +
-									//           ((tfrac >> 16) * cachewidth);
-
-//
-// determine whether last span or not
-//
-	cmpl	$8,%ecx
-	jna		LLastSegment
-
-//
-// not the last segment; do full 8-wide segment
-//
-LNotLastSegment:
-
-//
-// advance s/z, t/z, and 1/z, and calculate s & t at end of span and steps to
-// get there
-//
-
-// pick up after the FDIV that was left in flight previously
-
-	fld		%st(0)			// duplicate it
-	fmul	%st(4),%st(0)	// s = s/z * z
-	fxch	%st(1)
-	fmul	%st(3),%st(0)	// t = t/z * z
-	fxch	%st(1)
-	fistpl	snext
-	fistpl	tnext
-	movl	snext,%eax
-	movl	tnext,%edx
-
-	subl	$8,%ecx		// count off this segments' pixels
-	movl	C(sadjust),%ebp
-	pushl	%ecx		// remember count of remaining pixels
-	movl	C(tadjust),%ecx
-
-	addl	%eax,%ebp
-	addl	%edx,%ecx
-
-	movl	C(bbextents),%eax
-	movl	C(bbextentt),%edx
-
-	cmpl	$2048,%ebp
-	jl		LClampLow2
-	cmpl	%eax,%ebp
-	ja		LClampHigh2
-LClampReentry2:
-
-	cmpl	$2048,%ecx
-	jl		LClampLow3
-	cmpl	%edx,%ecx
-	ja		LClampHigh3
-LClampReentry3:
-
-	movl	%ebp,snext
-	movl	%ecx,tnext
-
-	subl	s,%ebp
-	subl	t,%ecx
-	
-//
-// set up advancetable
-//
-	movl	%ecx,%eax
-	movl	%ebp,%edx
-	sarl	$19,%edx			// sstep >>= 16;
-	movl	C(cachewidth),%ebx
-	sarl	$19,%eax			// tstep >>= 16;
-	jz		LIsZero
-	imull	%ebx,%eax			// (tstep >> 16) * cachewidth;
-LIsZero:
-	addl	%edx,%eax			// add in sstep
-								// (tstep >> 16) * cachewidth + (sstep >> 16);
-	movl	tfracf,%edx
-	movl	%eax,advancetable+4	// advance base in t
-	addl	%ebx,%eax			// ((tstep >> 16) + 1) * cachewidth +
-								//  (sstep >> 16);
-	shll	$13,%ebp			// left-justify sstep fractional part
-	movl	%ebp,sstep
-	movl	sfracf,%ebx
-	shll	$13,%ecx			// left-justify tstep fractional part
-	movl	%eax,advancetable	// advance extra in t
-	movl	%ecx,tstep
-
-	movl	pz,%ecx
-	movl	izi,%ebp
-
-	cmpw	(%ecx),%bp
-	jl		Lp1
-	movb	(%esi),%al			// get first source texel
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp1
-	movw	%bp,(%ecx)
-	movb	%al,(%edi)			// store first dest pixel
-Lp1:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx			// advance tfrac fractional part by tstep frac
-
-	sbbl	%eax,%eax			// turn tstep carry into -1 (0 if none)
-	addl	sstep,%ebx			// advance sfrac fractional part by sstep frac
-	adcl	advancetable+4(,%eax,4),%esi	// point to next source texel
-
-	cmpw	2(%ecx),%bp
-	jl		Lp2
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp2
-	movw	%bp,2(%ecx)
-	movb	%al,1(%edi)
-Lp2:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-	cmpw	4(%ecx),%bp
-	jl		Lp3
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp3
-	movw	%bp,4(%ecx)
-	movb	%al,2(%edi)
-Lp3:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-	cmpw	6(%ecx),%bp
-	jl		Lp4
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp4
-	movw	%bp,6(%ecx)
-	movb	%al,3(%edi)
-Lp4:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-	cmpw	8(%ecx),%bp
-	jl		Lp5
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp5
-	movw	%bp,8(%ecx)
-	movb	%al,4(%edi)
-Lp5:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-//
-// start FDIV for end of next segment in flight, so it can overlap
-//
-	popl	%eax
-	cmpl	$8,%eax			// more than one segment after this?
-	ja		LSetupNotLast2	// yes
-
-	decl	%eax
-	jz		LFDIVInFlight2	// if only one pixel, no need to start an FDIV
-	movl	%eax,spancountminus1
-	fildl	spancountminus1
-
-	flds	C(d_zistepu)		// _d_zistepu | spancountminus1
-	fmul	%st(1),%st(0)	// _d_zistepu*scm1 | scm1
-	flds	C(d_tdivzstepu)	// _d_tdivzstepu | _d_zistepu*scm1 | scm1
-	fmul	%st(2),%st(0)	// _d_tdivzstepu*scm1 | _d_zistepu*scm1 | scm1
-	fxch	%st(1)			// _d_zistepu*scm1 | _d_tdivzstepu*scm1 | scm1
-	faddp	%st(0),%st(3)	// _d_tdivzstepu*scm1 | scm1
-	fxch	%st(1)			// scm1 | _d_tdivzstepu*scm1
-	fmuls	C(d_sdivzstepu)	// _d_sdivzstepu*scm1 | _d_tdivzstepu*scm1
-	fxch	%st(1)			// _d_tdivzstepu*scm1 | _d_sdivzstepu*scm1
-	faddp	%st(0),%st(3)	// _d_sdivzstepu*scm1
-	flds	fp_64k			// 64k | _d_sdivzstepu*scm1
-	fxch	%st(1)			// _d_sdivzstepu*scm1 | 64k
-	faddp	%st(0),%st(4)	// 64k
-
-	fdiv	%st(1),%st(0)	// this is what we've gone to all this trouble to
-							//  overlap
-	jmp		LFDIVInFlight2
-
-	.align	4
-LSetupNotLast2:
-	fadds	zi8stepu
-	fxch	%st(2)
-	fadds	sdivz8stepu
-	fxch	%st(2)
-	flds	tdivz8stepu
-	faddp	%st(0),%st(2)
-	flds	fp_64k
-	fdiv	%st(1),%st(0)	// z = 1/1/z
-							// this is what we've gone to all this trouble to
-							//  overlap
-LFDIVInFlight2:
-	pushl	%eax
-
-	cmpw	10(%ecx),%bp
-	jl		Lp6
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp6
-	movw	%bp,10(%ecx)
-	movb	%al,5(%edi)
-Lp6:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-	cmpw	12(%ecx),%bp
-	jl		Lp7
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp7
-	movw	%bp,12(%ecx)
-	movb	%al,6(%edi)
-Lp7:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-	cmpw	14(%ecx),%bp
-	jl		Lp8
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp8
-	movw	%bp,14(%ecx)
-	movb	%al,7(%edi)
-Lp8:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-	addl	$8,%edi
-	addl	$16,%ecx
-	movl	%edx,tfracf
-	movl	snext,%edx
-	movl	%ebx,sfracf
-	movl	tnext,%ebx
-	movl	%edx,s
-	movl	%ebx,t
-
-	movl	%ecx,pz
-	movl	%ebp,izi
-
-	popl	%ecx				// retrieve count
-
-//
-// determine whether last span or not
-//
-	cmpl	$8,%ecx				// are there multiple segments remaining?
-	ja		LNotLastSegment		// yes
-
-//
-// last segment of scan
-//
-LLastSegment:
-
-//
-// advance s/z, t/z, and 1/z, and calculate s & t at end of span and steps to
-// get there. The number of pixels left is variable, and we want to land on the
-// last pixel, not step one past it, so we can't run into arithmetic problems
-//
-	testl	%ecx,%ecx
-	jz		LNoSteps		// just draw the last pixel and we're done
-
-// pick up after the FDIV that was left in flight previously
-
-
-	fld		%st(0)			// duplicate it
-	fmul	%st(4),%st(0)	// s = s/z * z
-	fxch	%st(1)
-	fmul	%st(3),%st(0)	// t = t/z * z
-	fxch	%st(1)
-	fistpl	snext
-	fistpl	tnext
-
-	movl	C(tadjust),%ebx
-	movl	C(sadjust),%eax
-
-	addl	snext,%eax
-	addl	tnext,%ebx
-
-	movl	C(bbextents),%ebp
-	movl	C(bbextentt),%edx
-
-	cmpl	$2048,%eax
-	jl		LClampLow4
-	cmpl	%ebp,%eax
-	ja		LClampHigh4
-LClampReentry4:
-	movl	%eax,snext
-
-	cmpl	$2048,%ebx
-	jl		LClampLow5
-	cmpl	%edx,%ebx
-	ja		LClampHigh5
-LClampReentry5:
-
-	cmpl	$1,%ecx			// don't bother 
-	je		LOnlyOneStep	// if two pixels in segment, there's only one step,
-							//  of the segment length
-	subl	s,%eax
-	subl	t,%ebx
-
-	addl	%eax,%eax		// convert to 15.17 format so multiply by 1.31
-	addl	%ebx,%ebx		//  reciprocal yields 16.48
-	imull	reciprocal_table-8(,%ecx,4) // sstep = (snext - s) / (spancount-1)
-	movl	%edx,%ebp
-
-	movl	%ebx,%eax
-	imull	reciprocal_table-8(,%ecx,4) // tstep = (tnext - t) / (spancount-1)
-
-LSetEntryvec:
-//
-// set up advancetable
-//
-	movl	spr8entryvec_table(,%ecx,4),%ebx
-	movl	%edx,%eax
-	pushl	%ebx				// entry point into code for RET later
-	movl	%ebp,%ecx
-	sarl	$16,%ecx			// sstep >>= 16;
-	movl	C(cachewidth),%ebx
-	sarl	$16,%edx			// tstep >>= 16;
-	jz		LIsZeroLast
-	imull	%ebx,%edx			// (tstep >> 16) * cachewidth;
-LIsZeroLast:
-	addl	%ecx,%edx			// add in sstep
-								// (tstep >> 16) * cachewidth + (sstep >> 16);
-	movl	tfracf,%ecx
-	movl	%edx,advancetable+4	// advance base in t
-	addl	%ebx,%edx			// ((tstep >> 16) + 1) * cachewidth +
-								//  (sstep >> 16);
-	shll	$16,%ebp			// left-justify sstep fractional part
-	movl	sfracf,%ebx
-	shll	$16,%eax			// left-justify tstep fractional part
-	movl	%edx,advancetable	// advance extra in t
-
-	movl	%eax,tstep
-	movl	%ebp,sstep
-	movl	%ecx,%edx
-
-	movl	pz,%ecx
-	movl	izi,%ebp
-
-	ret							// jump to the number-of-pixels handler
-
-//----------------------------------------
-
-LNoSteps:
-	movl	pz,%ecx
-	subl	$7,%edi			// adjust for hardwired offset
-	subl	$14,%ecx
-	jmp		LEndSpan
-
-
-LOnlyOneStep:
-	subl	s,%eax
-	subl	t,%ebx
-	movl	%eax,%ebp
-	movl	%ebx,%edx
-	jmp		LSetEntryvec
-
-//----------------------------------------
-
-.globl	Spr8Entry2_8
-Spr8Entry2_8:
-	subl	$6,%edi		// adjust for hardwired offsets
-	subl	$12,%ecx
-	movb	(%esi),%al
-	jmp		LLEntry2_8
-
-//----------------------------------------
-
-.globl	Spr8Entry3_8
-Spr8Entry3_8:
-	subl	$5,%edi		// adjust for hardwired offsets
-	subl	$10,%ecx
-	jmp		LLEntry3_8
-
-//----------------------------------------
-
-.globl	Spr8Entry4_8
-Spr8Entry4_8:
-	subl	$4,%edi		// adjust for hardwired offsets
-	subl	$8,%ecx
-	jmp		LLEntry4_8
-
-//----------------------------------------
-
-.globl	Spr8Entry5_8
-Spr8Entry5_8:
-	subl	$3,%edi		// adjust for hardwired offsets
-	subl	$6,%ecx
-	jmp		LLEntry5_8
-
-//----------------------------------------
-
-.globl	Spr8Entry6_8
-Spr8Entry6_8:
-	subl	$2,%edi		// adjust for hardwired offsets
-	subl	$4,%ecx
-	jmp		LLEntry6_8
-
-//----------------------------------------
-
-.globl	Spr8Entry7_8
-Spr8Entry7_8:
-	decl	%edi		// adjust for hardwired offsets
-	subl	$2,%ecx
-	jmp		LLEntry7_8
-
-//----------------------------------------
-
-.globl	Spr8Entry8_8
-Spr8Entry8_8:
-	cmpw	(%ecx),%bp
-	jl		Lp9
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp9
-	movw	%bp,(%ecx)
-	movb	%al,(%edi)
-Lp9:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-LLEntry7_8:
-	cmpw	2(%ecx),%bp
-	jl		Lp10
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp10
-	movw	%bp,2(%ecx)
-	movb	%al,1(%edi)
-Lp10:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-LLEntry6_8:
-	cmpw	4(%ecx),%bp
-	jl		Lp11
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp11
-	movw	%bp,4(%ecx)
-	movb	%al,2(%edi)
-Lp11:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-LLEntry5_8:
-	cmpw	6(%ecx),%bp
-	jl		Lp12
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp12
-	movw	%bp,6(%ecx)
-	movb	%al,3(%edi)
-Lp12:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-LLEntry4_8:
-	cmpw	8(%ecx),%bp
-	jl		Lp13
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp13
-	movw	%bp,8(%ecx)
-	movb	%al,4(%edi)
-Lp13:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-LLEntry3_8:
-	cmpw	10(%ecx),%bp
-	jl		Lp14
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp14
-	movw	%bp,10(%ecx)
-	movb	%al,5(%edi)
-Lp14:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-LLEntry2_8:
-	cmpw	12(%ecx),%bp
-	jl		Lp15
-	movb	(%esi),%al
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp15
-	movw	%bp,12(%ecx)
-	movb	%al,6(%edi)
-Lp15:
-	addl	izistep,%ebp
-	adcl	$0,%ebp
-	addl	tstep,%edx
-	sbbl	%eax,%eax
-	addl	sstep,%ebx
-	adcl	advancetable+4(,%eax,4),%esi
-
-LEndSpan:
-	cmpw	14(%ecx),%bp
-	jl		Lp16
-	movb	(%esi),%al		// load first texel in segment
-	cmpb	$(TRANSPARENT_COLOR),%al
-	jz		Lp16
-	movw	%bp,14(%ecx)
-	movb	%al,7(%edi)
-Lp16:
-
-//
-// clear s/z, t/z, 1/z from FP stack
-//
-	fstp %st(0)
-	fstp %st(0)
-	fstp %st(0)
-
-	popl	%ebx				// restore spans pointer
-LNextSpan:
-	addl	$(sspan_t_size),%ebx // point to next span
-	movl	sspan_t_count(%ebx),%ecx
-	cmpl	$0,%ecx				// any more spans?
-	jg		LSpanLoop			// yes
-	jz		LNextSpan			// yes, but this one's empty
-
-	popl	%ebx				// restore register variables
-	popl	%esi
-	popl	%edi
-	popl	%ebp				// restore the caller's stack frame
-	ret
-
-#endif	// USE_INTEL_ASM

qw/source/d_sprite.c

@@ -1,416 +0,0 @@
-/*
-	d_sprite.c
-
-	software top-level rasterization driver module for drawing sprites
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "d_local.h"
-#include "QF/render.h"
-
-static int  sprite_height;
-static int  minindex, maxindex;
-static sspan_t *sprite_spans;
-
-
-#ifndef USE_INTEL_ASM
-
-void
-D_SpriteDrawSpans (sspan_t *pspan)
-{
-	int         count, spancount, izistep;
-	int         izi;
-	byte       *pbase, *pdest;
-	fixed16_t   s, t, snext, tnext, sstep, tstep;
-	float       sdivz, tdivz, zi, z, du, dv, spancountminus1;
-	float       sdivz8stepu, tdivz8stepu, zi8stepu;
-	byte        btemp;
-	short      *pz;
-
-	sstep = 0;							// keep compiler happy
-	tstep = 0;							// ditto
-
-	pbase = cacheblock;
-
-	sdivz8stepu = d_sdivzstepu * 8;
-	tdivz8stepu = d_tdivzstepu * 8;
-	zi8stepu = d_zistepu * 8;
-
-// we count on FP exceptions being turned off to avoid range problems
-	izistep = (int) (d_zistepu * 0x8000 * 0x10000);
-
-	do {
-		pdest = (byte *) d_viewbuffer + (screenwidth * pspan->v) + pspan->u;
-		pz = d_pzbuffer + (d_zwidth * pspan->v) + pspan->u;
-
-		count = pspan->count;
-
-		if (count <= 0)
-			goto NextSpan;
-
-		// calculate the initial s/z, t/z, 1/z, s, and t and clamp
-		du = (float) pspan->u;
-		dv = (float) pspan->v;
-
-		sdivz = d_sdivzorigin + dv * d_sdivzstepv + du * d_sdivzstepu;
-		tdivz = d_tdivzorigin + dv * d_tdivzstepv + du * d_tdivzstepu;
-		zi = d_ziorigin + dv * d_zistepv + du * d_zistepu;
-		z = (float) 0x10000 / zi;		// prescale to 16.16 fixed-point
-		// we count on FP exceptions being turned off to avoid range problems
-		izi = (int) (zi * 0x8000 * 0x10000);
-
-		s = (int) (sdivz * z) + sadjust;
-		if (s > bbextents)
-			s = bbextents;
-		else if (s < 0)
-			s = 0;
-
-		t = (int) (tdivz * z) + tadjust;
-		if (t > bbextentt)
-			t = bbextentt;
-		else if (t < 0)
-			t = 0;
-
-		do {
-			// calculate s and t at the far end of the span
-			if (count >= 8)
-				spancount = 8;
-			else
-				spancount = count;
-
-			count -= spancount;
-
-			if (count) {
-				// calculate s/z, t/z, zi->fixed s and t at far end of span,
-				// calculate s and t steps across span by shifting
-				sdivz += sdivz8stepu;
-				tdivz += tdivz8stepu;
-				zi += zi8stepu;
-				z = (float) 0x10000 / zi;	// prescale to 16.16 fixed-point
-
-				snext = (int) (sdivz * z) + sadjust;
-				if (snext > bbextents)
-					snext = bbextents;
-				else if (snext < 8)
-					snext = 8;			// prevent round-off error on <0
-										// steps from
-				// from causing overstepping & running off the
-				// edge of the texture
-
-				tnext = (int) (tdivz * z) + tadjust;
-				if (tnext > bbextentt)
-					tnext = bbextentt;
-				else if (tnext < 8)
-					tnext = 8;			// guard against round-off error on
-										// <0 steps
-
-				sstep = (snext - s) >> 3;
-				tstep = (tnext - t) >> 3;
-			} else {
-				// calculate s/z, t/z, zi->fixed s and t at last pixel in
-				// span (so can't step off polygon), clamp, calculate s and t
-				// steps across span by division, biasing steps low so we
-				// don't run off the texture
-				spancountminus1 = (float) (spancount - 1);
-				sdivz += d_sdivzstepu * spancountminus1;
-				tdivz += d_tdivzstepu * spancountminus1;
-				zi += d_zistepu * spancountminus1;
-				z = (float) 0x10000 / zi;	// prescale to 16.16 fixed-point
-				snext = (int) (sdivz * z) + sadjust;
-				if (snext > bbextents)
-					snext = bbextents;
-				else if (snext < 8)
-					snext = 8;			// prevent round-off error on <0 steps
-										// from from causing overstepping &
-										// running off the edge of the texture
-
-				tnext = (int) (tdivz * z) + tadjust;
-				if (tnext > bbextentt)
-					tnext = bbextentt;
-				else if (tnext < 8)
-					tnext = 8;			// guard against round-off error on
-										// <0 steps
-
-				if (spancount > 1) {
-					sstep = (snext - s) / (spancount - 1);
-					tstep = (tnext - t) / (spancount - 1);
-				}
-			}
-
-			do {
-				btemp = *(pbase + (s >> 16) + (t >> 16) * cachewidth);
-				if (btemp != 255) {
-					if (*pz <= (izi >> 16)) {
-						*pz = izi >> 16;
-						*pdest = btemp;
-					}
-				}
-
-				izi += izistep;
-				pdest++;
-				pz++;
-				s += sstep;
-				t += tstep;
-			} while (--spancount > 0);
-
-			s = snext;
-			t = tnext;
-
-		} while (count > 0);
-
-	  NextSpan:
-		pspan++;
-
-	} while (pspan->count != DS_SPAN_LIST_END);
-}
-#endif
-
-
-void
-D_SpriteScanLeftEdge (void)
-{
-	int         i, v, itop, ibottom, lmaxindex;
-	emitpoint_t *pvert, *pnext;
-	sspan_t    *pspan;
-	float       du, dv, vtop, vbottom, slope;
-	fixed16_t   u, u_step;
-
-	pspan = sprite_spans;
-	i = minindex;
-	if (i == 0)
-		i = r_spritedesc.nump;
-
-	lmaxindex = maxindex;
-	if (lmaxindex == 0)
-		lmaxindex = r_spritedesc.nump;
-
-	vtop = ceil (r_spritedesc.pverts[i].v);
-
-	do {
-		pvert = &r_spritedesc.pverts[i];
-		pnext = pvert - 1;
-
-		vbottom = ceil (pnext->v);
-
-		if (vtop < vbottom) {
-			du = pnext->u - pvert->u;
-			dv = pnext->v - pvert->v;
-			slope = du / dv;
-			u_step = (int) (slope * 0x10000);
-			// adjust u to ceil the integer portion
-			u = (int) ((pvert->u + (slope * (vtop - pvert->v))) * 0x10000) +
-				(0x10000 - 1);
-			itop = (int) vtop;
-			ibottom = (int) vbottom;
-
-			for (v = itop; v < ibottom; v++) {
-				pspan->u = u >> 16;
-				pspan->v = v;
-				u += u_step;
-				pspan++;
-			}
-		}
-
-		vtop = vbottom;
-
-		i--;
-		if (i == 0)
-			i = r_spritedesc.nump;
-
-	} while (i != lmaxindex);
-}
-
-
-void
-D_SpriteScanRightEdge (void)
-{
-	int         i, v, itop, ibottom;
-	emitpoint_t *pvert, *pnext;
-	sspan_t    *pspan;
-	float       du, dv, vtop, vbottom, slope, uvert, unext, vvert, vnext;
-	fixed16_t   u, u_step;
-
-	pspan = sprite_spans;
-	i = minindex;
-
-	vvert = r_spritedesc.pverts[i].v;
-	if (vvert < r_refdef.fvrecty_adj)
-		vvert = r_refdef.fvrecty_adj;
-	if (vvert > r_refdef.fvrectbottom_adj)
-		vvert = r_refdef.fvrectbottom_adj;
-
-	vtop = ceil (vvert);
-
-	do {
-		pvert = &r_spritedesc.pverts[i];
-		pnext = pvert + 1;
-
-		vnext = pnext->v;
-		if (vnext < r_refdef.fvrecty_adj)
-			vnext = r_refdef.fvrecty_adj;
-		if (vnext > r_refdef.fvrectbottom_adj)
-			vnext = r_refdef.fvrectbottom_adj;
-
-		vbottom = ceil (vnext);
-
-		if (vtop < vbottom) {
-			uvert = pvert->u;
-			if (uvert < r_refdef.fvrectx_adj)
-				uvert = r_refdef.fvrectx_adj;
-			if (uvert > r_refdef.fvrectright_adj)
-				uvert = r_refdef.fvrectright_adj;
-
-			unext = pnext->u;
-			if (unext < r_refdef.fvrectx_adj)
-				unext = r_refdef.fvrectx_adj;
-			if (unext > r_refdef.fvrectright_adj)
-				unext = r_refdef.fvrectright_adj;
-
-			du = unext - uvert;
-			dv = vnext - vvert;
-			slope = du / dv;
-			u_step = (int) (slope * 0x10000);
-			// adjust u to ceil the integer portion
-			u = (int) ((uvert + (slope * (vtop - vvert))) * 0x10000) +
-				(0x10000 - 1);
-			itop = (int) vtop;
-			ibottom = (int) vbottom;
-
-			for (v = itop; v < ibottom; v++) {
-				pspan->count = (u >> 16) - pspan->u;
-				u += u_step;
-				pspan++;
-			}
-		}
-
-		vtop = vbottom;
-		vvert = vnext;
-
-		i++;
-		if (i == r_spritedesc.nump)
-			i = 0;
-
-	} while (i != maxindex);
-
-	pspan->count = DS_SPAN_LIST_END;	// mark the end of the span list 
-}
-
-
-void
-D_SpriteCalculateGradients (void)
-{
-	vec3_t      p_normal, p_saxis, p_taxis, p_temp1;
-	float       distinv;
-
-	TransformVector (r_spritedesc.vpn, p_normal);
-	TransformVector (r_spritedesc.vright, p_saxis);
-	TransformVector (r_spritedesc.vup, p_taxis);
-	VectorInverse (p_taxis);
-
-	distinv = 1.0 / (-DotProduct (modelorg, r_spritedesc.vpn));
-
-	d_sdivzstepu = p_saxis[0] * xscaleinv;
-	d_tdivzstepu = p_taxis[0] * xscaleinv;
-
-	d_sdivzstepv = -p_saxis[1] * yscaleinv;
-	d_tdivzstepv = -p_taxis[1] * yscaleinv;
-
-	d_zistepu = p_normal[0] * xscaleinv * distinv;
-	d_zistepv = -p_normal[1] * yscaleinv * distinv;
-
-	d_sdivzorigin = p_saxis[2] - xcenter * d_sdivzstepu -
-		ycenter * d_sdivzstepv;
-	d_tdivzorigin = p_taxis[2] - xcenter * d_tdivzstepu -
-		ycenter * d_tdivzstepv;
-	d_ziorigin = p_normal[2] * distinv - xcenter * d_zistepu -
-		ycenter * d_zistepv;
-
-	TransformVector (modelorg, p_temp1);
-
-	sadjust = ((fixed16_t) (DotProduct (p_temp1, p_saxis) * 0x10000 + 0.5)) -
-		(-(cachewidth >> 1) << 16);
-	tadjust = ((fixed16_t) (DotProduct (p_temp1, p_taxis) * 0x10000 + 0.5)) -
-		(-(sprite_height >> 1) << 16);
-
-	// -1 (-epsilon) so we never wander off the edge of the texture
-	bbextents = (cachewidth << 16) - 1;
-	bbextentt = (sprite_height << 16) - 1;
-}
-
-
-void
-D_DrawSprite (void)
-{
-	int         i, nump;
-	float       ymin, ymax;
-	emitpoint_t *pverts;
-	sspan_t     spans[MAXHEIGHT + 1];
-
-	sprite_spans = spans;
-
-	// find the top and bottom vertices, and make sure there's at least one
-	// scan to draw
-	ymin = 999999.9;
-	ymax = -999999.9;
-	pverts = r_spritedesc.pverts;
-
-	for (i = 0; i < r_spritedesc.nump; i++) {
-		if (pverts->v < ymin) {
-			ymin = pverts->v;
-			minindex = i;
-		}
-
-		if (pverts->v > ymax) {
-			ymax = pverts->v;
-			maxindex = i;
-		}
-
-		pverts++;
-	}
-
-	ymin = ceil (ymin);
-	ymax = ceil (ymax);
-
-	if (ymin >= ymax)
-		return;							// doesn't cross any scans at all
-
-	cachewidth = r_spritedesc.pspriteframe->width;
-	sprite_height = r_spritedesc.pspriteframe->height;
-	cacheblock = (byte *) & r_spritedesc.pspriteframe->pixels[0];
-
-	// copy the first vertex to the last vertex, so we don't have to deal with
-	// wrapping
-	nump = r_spritedesc.nump;
-	pverts = r_spritedesc.pverts;
-	pverts[nump] = pverts[0];
-
-	D_SpriteCalculateGradients ();
-	D_SpriteScanLeftEdge ();
-	D_SpriteScanRightEdge ();
-	D_SpriteDrawSpans (sprite_spans);
-}

qw/source/d_surf.c

@@ -1,325 +0,0 @@
-/*
-	d_surf.c
-
-	rasterization driver surface heap manager
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdlib.h>
-
-#include "d_local.h"
-#include "QF/qargs.h"
-#include "r_local.h"
-#include "QF/sys.h"
-
-float       surfscale;
-qboolean    r_cache_thrash;				// set if surface cache is thrashing
-
-int         sc_size;
-surfcache_t *sc_rover, *sc_base;
-
-#define GUARDSIZE       4
-
-
-void *
-D_SurfaceCacheAddress (void)
-{
-	return sc_base;
-}
-
-
-int
-D_SurfaceCacheForRes (int width, int height)
-{
-	int         size, pix;
-
-	if (COM_CheckParm ("-surfcachesize")) {
-		size = atoi (com_argv[COM_CheckParm ("-surfcachesize") + 1]) * 1024;
-		return size;
-	}
-
-	size = SURFCACHE_SIZE_AT_320X200;
-
-	pix = width * height;
-	if (pix > 64000)
-		size += (pix - 64000) * 3;
-
-
-	return size;
-}
-
-
-void
-D_CheckCacheGuard (void)
-{
-	byte       *s;
-	int         i;
-
-	s = (byte *) sc_base + sc_size;
-	for (i = 0; i < GUARDSIZE; i++)
-		if (s[i] != (byte) i)
-			Sys_Error ("D_CheckCacheGuard: failed");
-}
-
-
-void
-D_ClearCacheGuard (void)
-{
-	byte       *s;
-	int         i;
-
-	s = (byte *) sc_base + sc_size;
-	for (i = 0; i < GUARDSIZE; i++)
-		s[i] = (byte) i;
-}
-
-
-void
-D_InitCaches (void *buffer, int size)
-{
-//	if (!msg_suppress_1)
-//	Con_Printf ("%ik surface cache\n", size/1024);
-
-	sc_size = size - GUARDSIZE;
-	sc_base = (surfcache_t *) buffer;
-	sc_rover = sc_base;
-
-	sc_base->next = NULL;
-	sc_base->owner = NULL;
-	sc_base->size = sc_size;
-
-	d_pzbuffer = vid.zbuffer;
-
-	D_ClearCacheGuard ();
-}
-
-
-void
-D_FlushCaches (void)
-{
-	surfcache_t *c;
-
-	if (!sc_base)
-		return;
-
-	for (c = sc_base; c; c = c->next) {
-		if (c->owner)
-			*c->owner = NULL;
-	}
-
-	sc_rover = sc_base;
-	sc_base->next = NULL;
-	sc_base->owner = NULL;
-	sc_base->size = sc_size;
-}
-
-
-surfcache_t *
-D_SCAlloc (int width, int size)
-{
-	surfcache_t *new;
-	qboolean    wrapped_this_time;
-
-	if ((width < 0) || (width > 256))
-		Sys_Error ("D_SCAlloc: bad cache width %d\n", width);
-
-	if ((size <= 0) || (size > 0x10000))
-		Sys_Error ("D_SCAlloc: bad cache size %d\n", size);
-
-	/* This adds the offset of data[0] in the surfcache_t struct. */
-	size += (int) ((surfcache_t *) 0)->data;
-
-#define SIZE_ALIGN	(sizeof(surfcache_t*)-1)
-	size = (size + SIZE_ALIGN) & ~SIZE_ALIGN;
-#undef SIZE_ALIGN
-	size = (size + 3) & ~3;
-	if (size > sc_size)
-		Sys_Error ("D_SCAlloc: %i > cache size", size);
-
-	// if there is not size bytes after the rover, reset to the start
-	wrapped_this_time = false;
-
-	if (!sc_rover || (byte *) sc_rover - (byte *) sc_base > sc_size - size) {
-		if (sc_rover) {
-			wrapped_this_time = true;
-		}
-		sc_rover = sc_base;
-	}
-	// colect and free surfcache_t blocks until the rover block is large enough
-	new = sc_rover;
-	if (sc_rover->owner)
-		*sc_rover->owner = NULL;
-
-	while (new->size < size) {
-		// free another
-		sc_rover = sc_rover->next;
-		if (!sc_rover)
-			Sys_Error ("D_SCAlloc: hit the end of memory");
-		if (sc_rover->owner)
-			*sc_rover->owner = NULL;
-
-		new->size += sc_rover->size;
-		new->next = sc_rover->next;
-	}
-
-	// create a fragment out of any leftovers
-	if (new->size - size > 256) {
-		sc_rover = (surfcache_t *) ((byte *) new + size);
-		sc_rover->size = new->size - size;
-		sc_rover->next = new->next;
-		sc_rover->width = 0;
-		sc_rover->owner = NULL;
-		new->next = sc_rover;
-		new->size = size;
-	} else
-		sc_rover = new->next;
-
-	new->width = width;
-// DEBUG
-	if (width > 0)
-		new->height = (size - sizeof (*new) + sizeof (new->data)) / width;
-
-	new->owner = NULL;					// should be set properly after return
-
-	if (d_roverwrapped) {
-		if (wrapped_this_time || (sc_rover >= d_initial_rover))
-			r_cache_thrash = true;
-	} else if (wrapped_this_time) {
-		d_roverwrapped = true;
-	}
-
-	D_CheckCacheGuard ();				// DEBUG
-	return new;
-}
-
-
-void
-D_SCDump (void)
-{
-	surfcache_t *test;
-
-	for (test = sc_base; test; test = test->next) {
-		if (test == sc_rover)
-			Sys_Printf ("ROVER:\n");
-		Sys_Printf ("%p : %i bytes     %i width\n", test, test->size,
-					test->width);
-	}
-}
-
-
-// if the num is not a power of 2, assume it will not repeat
-int
-MaskForNum (int num)
-{
-	if (num == 128)
-		return 127;
-	if (num == 64)
-		return 63;
-	if (num == 32)
-		return 31;
-	if (num == 16)
-		return 15;
-	return 255;
-}
-
-
-int
-D_log2 (int num)
-{
-	int         c;
-
-	c = 0;
-
-	while (num >>= 1)
-		c++;
-	return c;
-}
-
-
-surfcache_t *
-D_CacheSurface (msurface_t *surface, int miplevel)
-{
-	surfcache_t *cache;
-
-	// if the surface is animating or flashing, flush the cache
-	r_drawsurf.texture = R_TextureAnimation (surface->texinfo->texture);
-	r_drawsurf.lightadj[0] = d_lightstylevalue[surface->styles[0]];
-	r_drawsurf.lightadj[1] = d_lightstylevalue[surface->styles[1]];
-	r_drawsurf.lightadj[2] = d_lightstylevalue[surface->styles[2]];
-	r_drawsurf.lightadj[3] = d_lightstylevalue[surface->styles[3]];
-
-	// see if the cache holds apropriate data
-	cache = surface->cachespots[miplevel];
-
-	if (cache && !cache->dlight && surface->dlightframe != r_framecount
-		&& cache->texture == r_drawsurf.texture
-		&& cache->lightadj[0] == r_drawsurf.lightadj[0]
-		&& cache->lightadj[1] == r_drawsurf.lightadj[1]
-		&& cache->lightadj[2] == r_drawsurf.lightadj[2]
-		&& cache->lightadj[3] == r_drawsurf.lightadj[3])
-		return cache;
-
-	// determine shape of surface
-	surfscale = 1.0 / (1 << miplevel);
-	r_drawsurf.surfmip = miplevel;
-	r_drawsurf.surfwidth = surface->extents[0] >> miplevel;
-	r_drawsurf.rowbytes = r_drawsurf.surfwidth;
-	r_drawsurf.surfheight = surface->extents[1] >> miplevel;
-
-	// allocate memory if needed
-	if (!cache)							// if a texture just animated, don't
-										// reallocate it
-	{
-		cache = D_SCAlloc (r_drawsurf.surfwidth,
-						   r_drawsurf.surfwidth * r_drawsurf.surfheight);
-		surface->cachespots[miplevel] = cache;
-		cache->owner = &surface->cachespots[miplevel];
-		cache->mipscale = surfscale;
-	}
-
-	if (surface->dlightframe == r_framecount)
-		cache->dlight = 1;
-	else
-		cache->dlight = 0;
-
-	r_drawsurf.surfdat = (pixel_t *) cache->data;
-
-	cache->texture = r_drawsurf.texture;
-	cache->lightadj[0] = r_drawsurf.lightadj[0];
-	cache->lightadj[1] = r_drawsurf.lightadj[1];
-	cache->lightadj[2] = r_drawsurf.lightadj[2];
-	cache->lightadj[3] = r_drawsurf.lightadj[3];
-
-	// draw and light the surface texture
-	r_drawsurf.surf = surface;
-
-	c_surf++;
-	R_DrawSurface ();
-
-	return surface->cachespots[miplevel];
-}

qw/source/d_varsa.S

@@ -1,221 +0,0 @@
-/*
-	d_varsa.S
-
-	(description)
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-#include "QF/asm_i386.h"
-#include "quakeasm.h"
-#include "asm_draw.h"
-#include "d_ifacea.h"
-
-#ifdef USE_INTEL_ASM
-
-	.data
-
-//-------------------------------------------------------
-// global refresh variables
-//-------------------------------------------------------
-
-// FIXME: put all refresh variables into one contiguous block. Make into one
-// big structure, like cl or sv?
-
-	.align	4
-.globl	C(d_sdivzstepu)
-.globl	C(d_tdivzstepu)
-.globl	C(d_zistepu)
-.globl	C(d_sdivzstepv)
-.globl	C(d_tdivzstepv)
-.globl	C(d_zistepv)
-.globl	C(d_sdivzorigin)
-.globl	C(d_tdivzorigin)
-.globl	C(d_ziorigin)
-C(d_sdivzstepu):	.single	0
-C(d_tdivzstepu):	.single	0
-C(d_zistepu):		.single	0
-C(d_sdivzstepv):	.single	0
-C(d_tdivzstepv):	.single	0
-C(d_zistepv):		.single	0
-C(d_sdivzorigin):	.single	0
-C(d_tdivzorigin):	.single	0
-C(d_ziorigin):		.single	0
-
-.globl	C(sadjust)
-.globl	C(tadjust)
-.globl	C(bbextents)
-.globl	C(bbextentt)
-C(sadjust):			.long	0
-C(tadjust):			.long	0
-C(bbextents):		.long	0
-C(bbextentt):		.long	0
-
-.globl	C(cacheblock)
-.globl	C(d_viewbuffer)
-.globl	C(cachewidth)
-.globl	C(d_pzbuffer)
-.globl	C(d_zrowbytes)
-.globl	C(d_zwidth)
-C(cacheblock):		.long	0
-C(cachewidth):		.long	0
-C(d_viewbuffer):	.long	0
-C(d_pzbuffer):		.long	0
-C(d_zrowbytes):		.long	0
-C(d_zwidth):		.long	0
-
-
-//-------------------------------------------------------
-// ASM-only variables
-//-------------------------------------------------------
-.globl	izi
-izi:			.long	0
-
-.globl	pbase, s, t, sfracf, tfracf, snext, tnext
-.globl	spancountminus1, zi16stepu, sdivz16stepu, tdivz16stepu
-.globl	zi8stepu, sdivz8stepu, tdivz8stepu, pz
-s:				.long	0
-t:				.long	0
-snext:			.long	0
-tnext:			.long	0
-sfracf:			.long	0
-tfracf:			.long	0
-pbase:			.long	0
-zi8stepu:		.long	0
-sdivz8stepu:	.long	0
-tdivz8stepu:	.long	0
-zi16stepu:		.long	0
-sdivz16stepu:	.long	0
-tdivz16stepu:	.long	0
-spancountminus1: .long	0
-pz:				.long	0
-
-.globl	izistep
-izistep:				.long	0
-
-//-------------------------------------------------------
-// local variables for d_draw16.s
-//-------------------------------------------------------
-
-.globl	reciprocal_table_16, entryvec_table_16
-// 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/9, 1/10, 1/11, 1/12, 1/13,
-// 1/14, and 1/15 in 0.32 form
-reciprocal_table_16:	.long	0x40000000, 0x2aaaaaaa, 0x20000000
-						.long	0x19999999, 0x15555555, 0x12492492
-						.long	0x10000000, 0xe38e38e, 0xccccccc, 0xba2e8ba
-						.long	0xaaaaaaa, 0x9d89d89, 0x9249249, 0x8888888
-
-#ifndef NeXT
-	.extern Entry2_16
-	.extern Entry3_16
-	.extern Entry4_16
-	.extern Entry5_16
-	.extern Entry6_16
-	.extern Entry7_16
-	.extern Entry8_16
-	.extern Entry9_16
-	.extern Entry10_16
-	.extern Entry11_16
-	.extern Entry12_16
-	.extern Entry13_16
-	.extern Entry14_16
-	.extern Entry15_16
-	.extern Entry16_16
-#endif
-
-entryvec_table_16:	.long	0, Entry2_16, Entry3_16, Entry4_16
-					.long	Entry5_16, Entry6_16, Entry7_16, Entry8_16
-					.long	Entry9_16, Entry10_16, Entry11_16, Entry12_16
-					.long	Entry13_16, Entry14_16, Entry15_16, Entry16_16
-
-//-------------------------------------------------------
-// local variables for d_parta.s
-//-------------------------------------------------------
-.globl	DP_Count, DP_u, DP_v, DP_32768, DP_Color, DP_Pix, DP_EntryTable
-DP_Count:		.long	0
-DP_u:			.long	0
-DP_v:			.long	0
-DP_32768:		.single	32768.0
-DP_Color:		.long	0
-DP_Pix:			.long	0
-
-
-#ifndef NeXT
-	.extern DP_1x1
-	.extern DP_2x2
-	.extern DP_3x3
-	.extern DP_4x4
-#endif
-
-DP_EntryTable:	.long	DP_1x1, DP_2x2, DP_3x3, DP_4x4
-
-//
-// advancetable is 8 bytes, but points to the middle of that range so negative
-// offsets will work
-//
-.globl	advancetable, sstep, tstep, pspantemp, counttemp, jumptemp
-advancetable:	.long	0, 0
-sstep:			.long	0
-tstep:			.long	0
-
-pspantemp:		.long	0
-counttemp:		.long	0
-jumptemp:		.long	0
-
-// 1/2, 1/3, 1/4, 1/5, 1/6, and 1/7 in 0.32 form
-.globl	reciprocal_table, entryvec_table
-reciprocal_table:	.long	0x40000000, 0x2aaaaaaa, 0x20000000
-					.long	0x19999999, 0x15555555, 0x12492492
-
-#ifndef NeXT
-	.extern Entry2_8
-	.extern Entry3_8
-	.extern Entry4_8
-	.extern Entry5_8
-	.extern Entry6_8
-	.extern Entry7_8
-	.extern Entry8_8
-#endif
-
-entryvec_table:	.long	0, Entry2_8, Entry3_8, Entry4_8
-				.long	Entry5_8, Entry6_8, Entry7_8, Entry8_8
-
-#ifndef NeXT
-	.extern Spr8Entry2_8
-	.extern Spr8Entry3_8
-	.extern Spr8Entry4_8
-	.extern Spr8Entry5_8
-	.extern Spr8Entry6_8
-	.extern Spr8Entry7_8
-	.extern Spr8Entry8_8
-#endif
-	
-.globl spr8entryvec_table
-spr8entryvec_table:	.long	0, Spr8Entry2_8, Spr8Entry3_8, Spr8Entry4_8
-					.long	Spr8Entry5_8, Spr8Entry6_8, Spr8Entry7_8, Spr8Entry8_8
-
-#endif	// USE_INTEL_ASM
-

qw/source/d_zpoint.c

@@ -1,51 +0,0 @@
-/*
-	d_zpoint.c
-
-	software driver module for drawing z-buffered points
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "d_local.h"
-
-
-void
-D_DrawZPoint (void)
-{
-	byte       *pdest;
-	short      *pz;
-	int         izi;
-
-	pz = d_pzbuffer + (d_zwidth * r_zpointdesc.v) + r_zpointdesc.u;
-	pdest = d_viewbuffer + d_scantable[r_zpointdesc.v] + r_zpointdesc.u;
-	izi = (int) (r_zpointdesc.zi * 0x8000);
-
-	if (*pz <= izi) {
-		*pz = izi;
-		*pdest = r_zpointdesc.color;
-	}
-}

qw/source/gl_draw.c

@@ -1,735 +0,0 @@
-/*
-	gl_draw.c
-
-	Draw functions for chars, textures, etc
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-
-#include <stdio.h>
-
-#include "QF/cmd.h"
-#include "QF/console.h"
-#include "QF/draw.h"
-#include "QF/quakefs.h"
-#include "QF/render.h"
-#include "QF/screen.h"
-#include "QF/sys.h"
-#include "QF/vid.h"
-#include "QF/va.h"
-
-#include "glquake.h"
-#include "r_cvar.h"
-#include "sbar.h"
-
-extern byte *vid_basepal;
-extern cvar_t *crosshair, *cl_crossx, *cl_crossy, *crosshaircolor,
-	*gl_lightmap_components;
-
-byte *draw_chars;						// 8*8 graphic characters
-qpic_t     *draw_disc;
-qpic_t     *draw_backtile;
-
-static int  translate_texture;
-static int  char_texture;
-static int  cs_texture;					// crosshair texturea
-
-static byte cs_data[64] = {
-	0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff,
-	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-	0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff,
-	0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xff,
-	0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff,
-	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-	0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff, 0xff,
-	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
-};
-
-typedef struct {
-	int         texnum;
-	int         bytesperpixel;
-	float       sl, tl, sh, th;
-} glpic_t;
-
-extern int gl_filter_min, gl_filter_max;
-
-typedef struct cachepic_s {
-	char        name[MAX_QPATH];
-	qboolean    dirty;
-	qpic_t      pic;
-	byte        padding[32];			// for appended glpic
-} cachepic_t;
-
-#define	MAX_CACHED_PICS		128
-static cachepic_t cachepics[MAX_CACHED_PICS];
-static int  numcachepics;
-
-static byte menuplyr_pixels[4096];
-
-
-qpic_t *
-Draw_PicFromWad (char *name)
-{
-	qpic_t     *p;
-	glpic_t    *gl;
-
-	p = W_GetLumpName (name);
-	gl = (glpic_t *) p->data;
-
-	gl->texnum = GL_LoadTexture ("", p->width, p->height, p->data, false, true, 1);
-	gl->sl = 0;
-	gl->sh = 1;
-	gl->tl = 0;
-	gl->th = 1;
-
-	return p;
-}
-
-
-void
-Draw_ClearCache (void)
-{
-	cachepic_t *pic;
-	int         i;
-
-	for (pic = cachepics, i = 0; i < numcachepics; pic++, i++)
-		pic->dirty = true;
-}
-
-
-qpic_t *
-Draw_CachePic (char *path, qboolean alpha)
-{
-	cachepic_t *pic;
-	int         i;
-	qpic_t     *dat;
-	glpic_t    *gl;
-
-	// First, check if its cached..
-	for (pic = cachepics, i = 0; i < numcachepics; pic++, i++)
-		if ((!strcmp (path, pic->name)) && !pic->dirty)
-			return &pic->pic;
-
-	// Its not cached, lets make sure we have space in the cache..
-	if (numcachepics == MAX_CACHED_PICS)
-		Sys_Error ("menu_numcachepics == MAX_CACHED_PICS");
-
-	// Load the picture..
-	dat = (qpic_t *) COM_LoadTempFile (path);
-	if (!dat)
-		Sys_Error ("Draw_CachePic: failed to load %s", path);
-
-	// Adjust for endian..
-	SwapPic (dat);
-
-	// Ok, the image is here, lets load it up into the cache..
-
-	// First the image name..
-	strncpy (pic->name, path, sizeof (pic->name));
-
-	// Now the width and height.
-	pic->pic.width = dat->width;
-	pic->pic.height = dat->height;
-
-	// Now feed it to the GL stuff and get a texture number..
-	gl = (glpic_t *) pic->pic.data;
-	gl->texnum = GL_LoadTexture ("", dat->width, dat->height, dat->data, false, alpha, 1);
-
-	// Alignment stuff..
-	gl->sl = 0;
-	gl->sh = 1;
-	gl->tl = 0;
-	gl->th = 1;
-
-	// Now lets mark this cache entry as used..
-	pic->dirty = false;
-	numcachepics++;
-
-	// FIXME:
-	// A really ugly kluge, keep a specific image in memory
-	//  for the menu system.
-	// Some days I really dislike legacy support..
-
-	if (!strcmp (path, "gfx/menuplyr.lmp"))
-		memcpy (menuplyr_pixels, dat->data, dat->width * dat->height);
-
-	// And now we are done, return what was asked for..
-	return &pic->pic;
-}
-
-
-void
-Draw_TextBox (int x, int y, int width, int lines)
-{
-	qpic_t     *p;
-	int         cx, cy;
-	int         n;
-
-	// draw left side
-	cx = x;
-	cy = y;
-	p = Draw_CachePic ("gfx/box_tl.lmp", true);
-	Draw_Pic (cx, cy, p);
-	p = Draw_CachePic ("gfx/box_ml.lmp", true);
-	for (n = 0; n < lines; n++) {
-		cy += 8;
-		Draw_Pic (cx, cy, p);
-	}
-	p = Draw_CachePic ("gfx/box_bl.lmp", true);
-	Draw_Pic (cx, cy + 8, p);
-
-	// draw middle
-	cx += 8;
-	while (width > 0) {
-		cy = y;
-		p = Draw_CachePic ("gfx/box_tm.lmp", true);
-		Draw_Pic (cx, cy, p);
-		p = Draw_CachePic ("gfx/box_mm.lmp", true);
-		for (n = 0; n < lines; n++) {
-			cy += 8;
-			if (n == 1)
-				p = Draw_CachePic ("gfx/box_mm2.lmp", true);
-			Draw_Pic (cx, cy, p);
-		}
-		p = Draw_CachePic ("gfx/box_bm.lmp", true);
-		Draw_Pic (cx, cy + 8, p);
-		width -= 2;
-		cx += 16;
-	}
-
-	// draw right side
-	cy = y;
-	p = Draw_CachePic ("gfx/box_tr.lmp", true);
-	Draw_Pic (cx, cy, p);
-	p = Draw_CachePic ("gfx/box_mr.lmp", true);
-	for (n = 0; n < lines; n++) {
-		cy += 8;
-		Draw_Pic (cx, cy, p);
-	}
-	p = Draw_CachePic ("gfx/box_br.lmp", true);
-	Draw_Pic (cx, cy + 8, p);
-}
-
-
-extern void glrmain_init (void);
-extern void glrsurf_init (void);
-extern void GL_TextureMode_f (void);
-
-
-void
-Draw_Init (void)
-{
-	int         i;
-	GLint		texSize;
-
-	// Some cards have a texture size limit.
-	glGetIntegerv(GL_MAX_TEXTURE_SIZE, &texSize);
-	Cvar_Set (gl_max_size, va("%d", texSize));
-
-	// LordHavoc: 3DFX's dithering has terrible artifacts with lightmode 1
-	if (strstr (gl_renderer, "3dfx") || strstr (gl_renderer, "Mesa Glide"))
-	{
-		Cvar_Set (gl_lightmode, "0");
-	}
-
-	Cmd_AddCommand ("gl_texturemode", &GL_TextureMode_f, "Texture mipmap quality.");
-
-	// load the console background and the charset
-	// by hand, because we need to write the version
-	// string into the background before turning
-	// it into a texture
-	draw_chars = W_GetLumpName ("conchars");
-	for (i = 0; i < 256 * 64; i++)
-		if (draw_chars[i] == 0)
-			draw_chars[i] = 255;		// proper transparent color
-
-	// now turn them into textures
-	char_texture = GL_LoadTexture ("charset", 128, 128, draw_chars, false, true, 1);	// 1999-12-27 Conwidth/height charset fix by TcT
-	cs_texture = GL_LoadTexture ("crosshair", 8, 8, cs_data, false, true, 1);
-
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-
-	// save a texture slot for translated picture
-	translate_texture = texture_extension_number++;
-
-	// get the other pics we need
-	draw_disc = Draw_PicFromWad ("disc");
-	draw_backtile = Draw_PicFromWad ("backtile");
-
-	// LordHavoc: call init code for other GL renderer modules;
-	glrmain_init ();
-	glrsurf_init ();
-}
-
-
-/*
-	Draw_Character8
-
-	Draws one 8*8 graphics character with 0 being transparent.
-	It can be clipped to the top of the screen to allow the console to be
-	smoothly scrolled off.
-*/
-void
-Draw_Character8 (int x, int y, int num)
-{
-	int         row, col;
-	float       frow, fcol, size;
-
-	if (num == 32)
-		return;							// space
-
-	num &= 255;
-
-	if (y <= -8)
-		return;							// totally off screen
-
-	row = num >> 4;
-	col = num & 15;
-
-	frow = row * 0.0625;
-	fcol = col * 0.0625;
-	size = 0.0625;
-
-	glBindTexture (GL_TEXTURE_2D, char_texture);
-
-	glBegin (GL_QUADS);
-	glTexCoord2f (fcol, frow);
-	glVertex2f (x, y);
-	glTexCoord2f (fcol + size, frow);
-	glVertex2f (x + 8, y);
-	glTexCoord2f (fcol + size, frow + size);
-	glVertex2f (x + 8, y + 8);
-	glTexCoord2f (fcol, frow + size);
-	glVertex2f (x, y + 8);
-	glEnd ();
-}
-
-
-void
-Draw_String8 (int x, int y, char *str)
-{
-	while (*str) {
-		Draw_Character8 (x, y, *str);
-		str++;
-		x += 8;
-	}
-}
-
-
-void
-Draw_AltString8 (int x, int y, char *str)
-{
-	while (*str) {
-		Draw_Character8 (x, y, (*str) | 0x80);
-		str++;
-		x += 8;
-	}
-}
-
-
-void
-Draw_Crosshair (int swap)
-{
-	int         x, y;
-	extern vrect_t scr_vrect;
-	unsigned char *pColor;
-
-	switch (crosshair->int_val) {
-		case 0:
-			break;
-		case 1:
-		default:
-			Draw_Character8 (scr_vrect.x + scr_vrect.width / 2 - 4 +
-							 cl_crossx->int_val,
-							 scr_vrect.y + scr_vrect.height / 2 - 4 +
-							 cl_crossy->int_val, '+');
-			break;
-		case 2:
-			x = scr_vrect.x + scr_vrect.width / 2 - 3 + cl_crossx->int_val;
-			y = scr_vrect.y + scr_vrect.height / 2 - 3 + cl_crossy->int_val;
-
-			pColor = (unsigned char *) &d_8to24table[crosshaircolor->int_val];
-			if (lighthalf)
-				glColor4ub ((byte) ((int) pColor[0] >> 1),
-							(byte) ((int) pColor[1] >> 1),
-							(byte) ((int) pColor[2] >> 1), pColor[3]);
-			else
-				glColor4ubv (pColor);
-			glBindTexture (GL_TEXTURE_2D, cs_texture);
-
-			glBegin (GL_QUADS);
-			glTexCoord2f (0, 0);
-			glVertex2f (x - 4, y - 4);
-			glTexCoord2f (1, 0);
-			glVertex2f (x + 12, y - 4);
-			glTexCoord2f (1, 1);
-			glVertex2f (x + 12, y + 12);
-			glTexCoord2f (0, 1);
-			glVertex2f (x - 4, y + 12);
-			glEnd ();
-			glColor3ubv (lighthalf_v);
-			break;
-	}
-}
-
-
-void
-Draw_Pic (int x, int y, qpic_t *pic)
-{
-	glpic_t    *gl;
-
-	gl = (glpic_t *) pic->data;
-
-	glBindTexture (GL_TEXTURE_2D, gl->texnum);
-	glBegin (GL_QUADS);
-	glTexCoord2f (gl->sl, gl->tl);
-	glVertex2f (x, y);
-	glTexCoord2f (gl->sh, gl->tl);
-	glVertex2f (x + pic->width, y);
-	glTexCoord2f (gl->sh, gl->th);
-	glVertex2f (x + pic->width, y + pic->height);
-	glTexCoord2f (gl->sl, gl->th);
-	glVertex2f (x, y + pic->height);
-	glEnd ();
-}
-
-
-void
-Draw_SubPic (int x, int y, qpic_t *pic, int srcx, int srcy, int width,
-			 int height)
-{
-	glpic_t    *gl;
-	float       newsl, newtl, newsh, newth;
-	float       oldglwidth, oldglheight;
-
-	gl = (glpic_t *) pic->data;
-
-	oldglwidth = gl->sh - gl->sl;
-	oldglheight = gl->th - gl->tl;
-
-	newsl = gl->sl + (srcx * oldglwidth) / pic->width;
-	newsh = newsl + (width * oldglwidth) / pic->width;
-
-	newtl = gl->tl + (srcy * oldglheight) / pic->height;
-	newth = newtl + (height * oldglheight) / pic->height;
-
-	if (lighthalf)
-		glColor3f (0.4, 0.4, 0.4);
-	else
-		glColor3f (0.8, 0.8, 0.8);
-	glBindTexture (GL_TEXTURE_2D, gl->texnum);
-	glBegin (GL_QUADS);
-	glTexCoord2f (newsl, newtl);
-	glVertex2f (x, y);
-	glTexCoord2f (newsh, newtl);
-	glVertex2f (x + width, y);
-	glTexCoord2f (newsh, newth);
-	glVertex2f (x + width, y + height);
-	glTexCoord2f (newsl, newth);
-	glVertex2f (x, y + height);
-	glEnd ();
-	glColor3ubv (lighthalf_v);
-}
-
-
-/*
-	Draw_TransPicTranslate
-
-	Only used for the player color selection menu
-*/
-void
-Draw_TransPicTranslate (int x, int y, qpic_t *pic, byte * translation)
-{
-	int         v, u, c;
-	unsigned int trans[64 * 64], *dest;
-	byte       *src;
-	int         p;
-
-	glBindTexture (GL_TEXTURE_2D, translate_texture);
-
-	c = pic->width * pic->height;
-
-	dest = trans;
-	for (v = 0; v < 64; v++, dest += 64) {
-		src = &menuplyr_pixels[((v * pic->height) >> 6) * pic->width];
-		for (u = 0; u < 64; u++) {
-			p = src[(u * pic->width) >> 6];
-			if (p == 255)
-				dest[u] = p;
-			else
-				dest[u] = d_8to24table[translation[p]];
-		}
-	}
-
-	glTexImage2D (GL_TEXTURE_2D, 0, gl_alpha_format, 64, 64, 0, GL_RGBA,
-				  GL_UNSIGNED_BYTE, trans);
-
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max);
-
-	if (lighthalf)
-		glColor3f (0.4, 0.4, 0.4);
-	else
-		glColor3f (0.8, 0.8, 0.8);
-	glBegin (GL_QUADS);
-	glTexCoord2f (0, 0);
-	glVertex2f (x, y);
-	glTexCoord2f (1, 0);
-	glVertex2f (x + pic->width, y);
-	glTexCoord2f (1, 1);
-	glVertex2f (x + pic->width, y + pic->height);
-	glTexCoord2f (0, 1);
-	glVertex2f (x, y + pic->height);
-	glEnd ();
-	glColor3ubv (lighthalf_v);
-}
-
-
-/*
-	Draw_ConsoleBackground
-
-	Draws console background (obviously!)  Completely rewritten to use
-	several simple yet very cool GL effects.  --KB
-*/
-void
-Draw_ConsoleBackground (int lines)
-{
-	int         y;
-	qpic_t     *conback;
-	glpic_t    *gl;
-	float       ofs;
-	float       alpha;
-
-	// This can be a CachePic now, just like in software
-	conback = Draw_CachePic ("gfx/conback.lmp", false);
-	gl = (glpic_t *) conback->data;
-
-	// spin the console? - effect described in a QER tutorial
-	if (gl_conspin->value) {
-		static float xangle = 0;
-		static float xfactor = .3f;
-		static float xstep = .005f;
-
-		glPushMatrix ();
-		glMatrixMode (GL_TEXTURE);
-		glPushMatrix ();
-		glLoadIdentity ();
-		xangle += gl_conspin->value;
-		xfactor += xstep;
-		if (xfactor > 8 || xfactor < .3f)
-			xstep = -xstep;
-		glRotatef (xangle, 0, 0, 1);
-		glScalef (xfactor, xfactor, xfactor);
-	}
-	// slide console up/down or stretch it?
-	if (gl_constretch->int_val)
-		ofs = 0;
-	else
-		ofs = (vid.conheight - lines) / (float) vid.conheight;
-
-	y = vid.height * scr_consize->value;
-	if (!r_active || lines > y) {
-		alpha = 1.0;
-	} else {
-		// set up to draw alpha console
-		alpha = (float) (gl_conalpha->value * lines) / y;
-	}
-
-	if (lighthalf)
-		glColor4f (0.4, 0.4, 0.4, alpha);
-	else
-		glColor4f (0.8, 0.8, 0.8, alpha);
-
-	// draw the console texture
-	glBindTexture (GL_TEXTURE_2D, gl->texnum);
-	glBegin (GL_QUADS);
-	glTexCoord2f (gl->sl, gl->tl + ofs);
-	glVertex2f (0, 0);
-	glTexCoord2f (gl->sh, gl->tl + ofs);
-	glVertex2f (vid.conwidth, 0);
-	glTexCoord2f (gl->sh, gl->th);
-	glVertex2f (vid.conwidth, lines);
-	glTexCoord2f (gl->sl, gl->th);
-	glVertex2f (0, lines);
-	glEnd ();
-
-	// turn off alpha blending
-	if (alpha < 1.0) {
-		if (lighthalf)
-			glColor3f (0.4, 0.4, 0.4);
-		else
-			glColor3f (0.8, 0.8, 0.8);
-	}
-
-	if (gl_conspin->value) {
-		glPopMatrix ();
-		glMatrixMode (GL_MODELVIEW);
-		glPopMatrix ();
-	}
-
-	Draw_AltString8 (vid.conwidth - strlen (cl_verstring->string) * 8 - 11,
-			 lines - 14, cl_verstring->string);
-	glColor3ubv (lighthalf_v);
-}
-
-
-/*
-	Draw_TileClear
-
-	This repeats a 64*64 tile graphic to fill the screen around a sized down
-	refresh window.
-*/
-void
-Draw_TileClear (int x, int y, int w, int h)
-{
-	if (lighthalf)
-		glColor3f (0.4, 0.4, 0.4);
-	else
-		glColor3f (0.8, 0.8, 0.8);
-	glBindTexture (GL_TEXTURE_2D, *(int *) draw_backtile->data);
-	glBegin (GL_QUADS);
-	glTexCoord2f (x / 64.0, y / 64.0);
-	glVertex2f (x, y);
-	glTexCoord2f ((x + w) / 64.0, y / 64.0);
-	glVertex2f (x + w, y);
-	glTexCoord2f ((x + w) / 64.0, (y + h) / 64.0);
-	glVertex2f (x + w, y + h);
-	glTexCoord2f (x / 64.0, (y + h) / 64.0);
-	glVertex2f (x, y + h);
-	glEnd ();
-	glColor3ubv (lighthalf_v);
-}
-
-
-/*
-	Draw_Fill
-
-	Fills a box of pixels with a single color
-*/
-void
-Draw_Fill (int x, int y, int w, int h, int c)
-{
-	glDisable (GL_TEXTURE_2D);
-	if (lighthalf)
-		glColor3f (vid_basepal[c * 3] / 510.0, vid_basepal[c * 3 + 1] / 510.0,
-				   vid_basepal[c * 3 + 2] / 510.0);
-	else
-		glColor3f (vid_basepal[c * 3] / 255.0, vid_basepal[c * 3 + 1] / 255.0,
-				   vid_basepal[c * 3 + 2] / 255.0);
-
-	glBegin (GL_QUADS);
-
-	glVertex2f (x, y);
-	glVertex2f (x + w, y);
-	glVertex2f (x + w, y + h);
-	glVertex2f (x, y + h);
-
-	glEnd ();
-	glColor3ubv (lighthalf_v);
-	glEnable (GL_TEXTURE_2D);
-}
-
-
-//=============================================================================
-
-
-void
-Draw_FadeScreen (void)
-{
-	glDisable (GL_TEXTURE_2D);
-	glColor4f (0, 0, 0, 0.7);
-	glBegin (GL_QUADS);
-
-	glVertex2f (0, 0);
-	glVertex2f (vid.width, 0);
-	glVertex2f (vid.width, vid.height);
-	glVertex2f (0, vid.height);
-
-	glEnd ();
-	glColor3ubv (lighthalf_v);
-	glEnable (GL_TEXTURE_2D);
-
-	Sbar_Changed ();
-}
-
-
-//=============================================================================
-
-
-/*
-	Draw_BeginDisc
-
-	Draws the little blue disc in the corner of the screen.
-	Call before beginning any disc IO.
-*/
-void
-Draw_BeginDisc (void)
-{
-}
-
-
-/*
-	Draw_EndDisc
-
-	Erases the disc icon.
-	Call after completing any disc IO
-*/
-void
-Draw_EndDisc (void)
-{
-}
-
-
-/*
-	GL_Set2D
-
-	Setup as if the screen was 320*200
-*/
-void
-GL_Set2D (void)
-{
-	glViewport (glx, gly, glwidth, glheight);
-
-	glMatrixMode (GL_PROJECTION);
-	glLoadIdentity ();
-	glOrtho (0, vid.width, vid.height, 0, -99999, 99999);
-
-	glMatrixMode (GL_MODELVIEW);
-	glLoadIdentity ();
-
-	glDisable (GL_DEPTH_TEST);
-	glDisable (GL_CULL_FACE);
-
-	glColor3ubv (lighthalf_v);
-}

qw/source/gl_dyn_fires.c

@@ -1,210 +0,0 @@
-/*
-	gl_dyn_fires.c
-
-	dynamic fires
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-
-#include <stdlib.h>
-
-#include "QF/cmd.h"
-#include "QF/console.h"
-#include "QF/render.h"
-
-#include "glquake.h"
-#include "r_shared.h"
-
-#define MAX_FIRES				128		// rocket flames
-
-static fire_t r_fires[MAX_FIRES];
-extern cvar_t *gl_fires;
-extern cvar_t *r_firecolor;
-
-
-/*
-	R_AddFire
-
-	Nifty ball of fire GL effect.  Kinda a meshing of the dlight and
-	particle engine code.
-*/
-void
-R_AddFire (vec3_t start, vec3_t end, entity_t *ent)
-{
-	float       len;
-	fire_t     *f;
-	vec3_t      vec;
-	int         key;
-
-	if (!gl_fires->int_val)
-		return;
-
-	VectorSubtract (end, start, vec);
-	len = VectorNormalize (vec);
-	key = ent->keynum;
-
-	if (len) {
-		f = R_AllocFire (key);
-		VectorCopy (end, f->origin);
-		VectorCopy (start, f->owner);
-		f->size = 10;
-		f->die = r_realtime + 0.5;
-		f->decay = 1;
-		VectorCopy (r_firecolor->vec, f->color);
-	}
-}
-
-
-/*
-	R_AllocFire
-
-	Clears out and returns a new fireball
-*/
-fire_t     *
-R_AllocFire (int key)
-{
-	int         i;
-	fire_t     *f;
-
-	if (key)							// first try to find/reuse a keyed
-										// spot
-	{
-		f = r_fires;
-		for (i = 0; i < MAX_FIRES; i++, f++)
-			if (f->key == key) {
-				memset (f, 0, sizeof (*f));
-				f->key = key;
-				return f;
-			}
-	}
-
-	f = r_fires;						// no match, look for a free spot
-	for (i = 0; i < MAX_FIRES; i++, f++) {
-		if (f->die < r_realtime) {
-			memset (f, 0, sizeof (*f));
-			f->key = key;
-			return f;
-		}
-	}
-
-	f = &r_fires[0];
-	memset (f, 0, sizeof (*f));
-	f->key = key;
-	return f;
-}
-
-
-/*
-	R_DrawFire
-
-	draws one fireball - probably never need to call this directly
-*/
-void
-R_DrawFire (fire_t *f)
-{
-	int         i, j;
-	vec3_t      vec, vec2;
-	float       radius;
-	float      *b_sin, *b_cos;
-
-	b_sin = bubble_sintable;
-	b_cos = bubble_costable;
-
-	radius = f->size - 0.5;
-
-	// figure out if we're inside the area of effect
-	VectorSubtract (f->origin, r_origin, vec);
-	if (Length (vec) < radius) {
-		AddLightBlend (f->color[0], f->color[1], f->color[2], f->size * 0.0003);	// we are
-		return;
-	}
-	// we're not - draw it
-	glBegin (GL_TRIANGLE_FAN);
-	if (lighthalf)
-		glColor3f (f->color[0] * 0.5, f->color[1] * 0.5, f->color[2] * 0.5);
-	else
-		glColor3fv (f->color);
-	for (i = 0; i < 3; i++)
-		vec[i] = f->origin[i] - vpn[i] * radius;
-	glVertex3fv (vec);
-	glColor3f (0.0, 0.0, 0.0);
-
-	// don't panic, this just draws a bubble...
-	for (i = 16; i >= 0; i--) {
-		for (j = 0; j < 3; j++) {
-			vec[j] = f->origin[j] + (*b_cos * vright[j]
-									 + vup[j] * (*b_sin)) * radius;
-			vec2[j] = f->owner[j] + (*b_cos * vright[j]
-									 + vup[j] * (*b_sin)) * radius;
-		}
-		glVertex3fv (vec);
-		glVertex3fv (vec2);
-
-		b_sin += 2;
-		b_cos += 2;
-	}
-	glEnd ();
-	glColor3ubv (lighthalf_v);
-}
-
-
-/*
-	R_UpdateFires
-
-	Draws each fireball in sequence
-*/
-void
-R_UpdateFires (void)
-{
-	int         i;
-	fire_t     *f;
-
-	if (!gl_fires->int_val)
-		return;
-
-	glDepthMask (GL_FALSE);
-	glDisable (GL_TEXTURE_2D);
-	glBlendFunc (GL_ONE, GL_ONE);
-
-	f = r_fires;
-	for (i = 0; i < MAX_FIRES; i++, f++) {
-		if (f->die < r_realtime || !f->size)
-			continue;
-		f->size += f->decay;
-		R_DrawFire (f);
-	}
-
-	glEnable (GL_TEXTURE_2D);
-	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	glDepthMask (GL_TRUE);
-}

qw/source/gl_dyn_textures.c

@@ -1,203 +0,0 @@
-/*
-	gl_dyn_textures.c
-
-	Dynamic texture generation.
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdlib.h>
-
-#include "glquake.h"
-
-extern void noise_diamondsquare(unsigned char *noise, int size);
-extern void noise_plasma(unsigned char *noise, int size);
-
-static void GDT_InitDotParticleTexture (void);
-static void GDT_InitSparkParticleTexture (void);
-static void GDT_InitSmokeParticleTexture (void);
-static void GDT_InitSmokeRingParticleTexture (void);
-
-int         part_tex_dot;
-int         part_tex_spark;
-int         part_tex_smoke[8];
-int         part_tex_smoke_ring[8];
-
-
-void
-GDT_Init (void)
-{
-	GDT_InitDotParticleTexture ();
-	GDT_InitSparkParticleTexture ();
-	GDT_InitSmokeParticleTexture ();
-	GDT_InitSmokeRingParticleTexture ();
-}
-
-
-static void
-GDT_InitDotParticleTexture (void)
-{
-	int         x, y, dx2, dy, d;
-	byte        data[16][16][2];
-
-	for (x = 0; x < 16; x++) {
-		dx2 = x - 8;
-		dx2 *= dx2;
-		for (y = 0; y < 16; y++) {
-			dy = y - 8;
-			d = 255 - 4 * (dx2 + (dy * dy));
-			if (d<=0) {
-				d = 0;
-				data[y][x][0] = 0;
-			} else
-				data[y][x][0] = 255;
-
-			data[y][x][1] = (byte) d;
-		}
-	}
-	part_tex_dot = texture_extension_number++;
-	glBindTexture (GL_TEXTURE_2D, part_tex_dot);
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glTexImage2D (GL_TEXTURE_2D, 0, 2, 16, 16, 0, GL_LUMINANCE_ALPHA,
-		      GL_UNSIGNED_BYTE, data);
-}
-
-
-static void
-GDT_InitSparkParticleTexture (void)
-{
-	int         x, y, dx2, dy, d;
-	byte        data[16][16][2];
-
-	for (x = 0; x < 16; x++) {
-		dx2 = 8 - abs(x - 8);
-		dx2 *= dx2;
-		for (y = 0; y < 16; y++) {
-			dy = 8 - abs(y - 8);
-			d = 3 * (dx2 + dy * dy) - 100;
-			if (d>255)
-				d = 255;
-			if (d<1) {
-				d = 0;
-				data[y][x][0] = 0;
-			} else
-				data[y][x][0] = 255;
-
-			data[y][x][1] = (byte) d;
-		}
-	}
-	part_tex_spark = texture_extension_number++;
-	glBindTexture (GL_TEXTURE_2D, part_tex_spark);
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glTexImage2D (GL_TEXTURE_2D, 0, 2, 16, 16, 0, GL_LUMINANCE_ALPHA,
-		      GL_UNSIGNED_BYTE, data);
-}
-
-
-static void
-GDT_InitSmokeParticleTexture (void)
-{
-	int         i, x, y, c;
-	float       dx, dy2;
-	byte        d, data[32][32][2], noise1[32][32], noise2[32][32];
-
-	for (i = 0; i < 8; i++) {
-		noise_plasma (&noise1[0][0], 32);
-		noise_diamondsquare (&noise2[0][0], 32);
-		for (y = 0; y < 32; y++)
-		{
-			dy2 = y - 16;
-			dy2 *= dy2;
-			for (x = 0; x < 32; x++) {
-				dx = x - 16;
-				c = 255 - (dx*dx + dy2);
-				if (c < 1)
-					c = 0;
-				d = (noise1[y][x] + noise2[y][x]) / 2;
-				if (d > 0) {
-					data[y][x][0] = 255;
-					data[y][x][1] = (d * c)/255;
-				} else {
-					data[y][x][0] = 255;
-					data[y][x][1] = 0;
-				}
-			}
-		}
-		part_tex_smoke[i] = texture_extension_number++;
-		glBindTexture (GL_TEXTURE_2D, part_tex_smoke[i]);
-		glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-		glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-		glTexImage2D (GL_TEXTURE_2D, 0, 2, 32, 32, 0, GL_LUMINANCE_ALPHA,
-			      GL_UNSIGNED_BYTE, data);
-	}
-}
-
-
-static void
-GDT_InitSmokeRingParticleTexture (void)
-{
-	int         i, x, y, b;
-	float       dx, dy, c, c2;
-	byte        d, data[32][32][2], noise1[32][32], noise2[32][32];
-
-	for (i = 0; i < 8; i++) {
-		noise_diamondsquare (&noise1[0][0], 32);
-		noise_plasma (&noise2[0][0], 32);
-		for (y = 0; y < 32; y++)
-		{
-			dy = y - 16;
-			dy *= dy;
-			for (x = 0; x < 32; x++) {
-				dx = x - 16;
-				dx *= dx;
-				c = 255 - (dx + dy);
-				c2 = (dx + dy);
-				if (c < 1) c = 0;
-				if (c2 < 1) c2 = 0;
-				//b = ((c / 255) * (c2 / 255)) * 512;
-				b = (c * c2) * 512 / (255*255);
-				if (b < 1) b = 0;
-				d = (noise1[y][x] + noise2[y][x]) / 2;
-				if (d > 0) {
-					data[y][x][0] = 255;
-					data[y][x][1] = (d * b)/255;
-				} else {
-					data[y][x][0] = 255;
-					data[y][x][1] = 0;
-				}
-			}
-		}
-		part_tex_smoke_ring[i] = texture_extension_number++;
-		glBindTexture (GL_TEXTURE_2D, part_tex_smoke_ring[i]);
-		glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-		glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-		glTexImage2D (GL_TEXTURE_2D, 0, 2, 32, 32, 0, GL_LUMINANCE_ALPHA,
-			      GL_UNSIGNED_BYTE, data);
-	}
-}

qw/source/gl_graph.c

@@ -1,140 +0,0 @@
-/*
-	gl_ngraph.c
-
-	(description)
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "QF/cvar.h"
-#include "QF/draw.h"
-#include "QF/sys.h"
-
-#include "glquake.h"
-#include "r_cvar.h"
-
-extern byte 	*draw_chars;	// 8*8 graphic characters
-extern qboolean lighthalf;
-
-extern cvar_t	*r_netgraph;
-extern cvar_t	*r_netgraph_alpha;
-extern cvar_t	*r_netgraph_box;
-
-static int graph_index;
-static int graph_size[NUM_GRAPH_TEXTURES];
-static int graph_width[NUM_GRAPH_TEXTURES];
-static byte *graph_texels[NUM_GRAPH_TEXTURES];
-int 	graph_texture[NUM_GRAPH_TEXTURES];
-
-int
-R_InitGraphTextures (int base)
-{
-	int i;
-
-	for (i = 0; i < NUM_GRAPH_TEXTURES; i++)
-		graph_texture[i] = base++;
-	return base;
-}
-
-void
-R_LineGraph (int x, int y, int *h_vals, int count)
-{
-	int         i, j;
-	int         h;
-	int         s;
-	byte        color;
-	int			size;
-	byte        *dest;
-
-	if (!count)
-		return;
-
-	s = r_graphheight->int_val;
-
-	size = s * count;
-	if (size > graph_size[graph_index]) {
-		graph_size[graph_index] = size;
-		graph_texels[graph_index] = realloc (graph_texels[graph_index], size);
-	}
-	graph_width[graph_index] = count;
-
-	if (!graph_texels[graph_index])
-		Sys_Error ("R_LineGraph: failed to allocate texture buffer\n");
-
-	i = 0;
-	while (count--) {
-		dest = graph_texels[graph_index] + i++;
-
-		h = *h_vals++;
-
-		if (h == 10000)
-			color = 0x6f;					// yellow
-		else if (h == 9999)
-			color = 0x4f;					// red
-		else if (h == 9998)
-			color = 0xd0;					// blue
-		else
-			color = 0xfe;					// white
-
-		if (h > s)
-			h = s;
-
-		for (j = 0; j < h; j++, dest += graph_width[graph_index])
-			dest[0] = color;
-
-		for (; j < s; j++, dest += graph_width[graph_index])
-			dest[0] = 0xff;
-	}
-
-	glBindTexture (GL_TEXTURE_2D, graph_texture[graph_index]);
-
-	GL_Upload8 (graph_texels[graph_index], graph_width[graph_index], s, 0, 1);
-
-	glBegin (GL_QUADS);
-	glTexCoord2f (0, 0);
-	glVertex2f (x, y);
-	glTexCoord2f (1, 0);
-	glVertex2f (x + graph_width[graph_index], y);
-	glTexCoord2f (1, 1);
-	glVertex2f (x + graph_width[graph_index], y - s);
-	glTexCoord2f (0, 1);
-	glVertex2f (x, y - s);
-	glEnd ();
-
-	glColor3ubv (lighthalf_v);
-
-	graph_index = (graph_index + 1) % NUM_GRAPH_TEXTURES;
-}

qw/source/gl_rlight.c

@@ -1,429 +0,0 @@
-/*
-	gl_rlight.c
-
-	@description@
-
-	Copyright (C) 1996-1997  Id Software, Inc.
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-	See the GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to:
-
-		Free Software Foundation, Inc.
-		59 Temple Place - Suite 330
-		Boston, MA  02111-1307, USA
-
-	$Id$
-*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif
-
-#include <math.h>
-#include <stdio.h>
-
-#include "QF/render.h"
-
-#include "glquake.h"
-#include "r_shared.h"
-
-
-void
-R_AnimateLight (void)
-{
-	int         i, j, k;
-
-// light animations
-// 'm' is normal light, 'a' is no light, 'z' is double bright
-	i = (int) (r_realtime * 10);
-	for (j = 0; j < MAX_LIGHTSTYLES; j++) {
-		if (!r_lightstyle[j].length) {
-			d_lightstylevalue[j] = 256;
-			continue;
-		}
-		k = i % r_lightstyle[j].length;
-		k = r_lightstyle[j].map[k] - 'a';
-		k = k * 22;
-		d_lightstylevalue[j] = k;
-	}
-}
-
-
-/*
-	DYNAMIC LIGHTS BLEND RENDERING
-*/
-
-
-void
-AddLightBlend (float r, float g, float b, float a2)
-{
-	float       a;
-
-	v_blend[3] = a = v_blend[3] + a2 * (1 - v_blend[3]);
-
-	a2 = a2 / a;
-
-	v_blend[0] = v_blend[0] * (1 - a2) + r * a2;
-	v_blend[1] = v_blend[1] * (1 - a2) + g * a2;
-	v_blend[2] = v_blend[2] * (1 - a2) + b * a2;
-//Con_Printf("AddLightBlend(): %4.2f %4.2f %4.2f %4.6f\n", v_blend[0], v_blend[1], v_blend[2], v_blend[3]);
-}
-
-
-float       bubble_sintable[33], bubble_costable[33];
-
-void
-R_InitBubble ()
-{
-	int         i;
-	float       a;
-	float      *bub_sin, *bub_cos;
-
-	bub_sin = bubble_sintable;
-	bub_cos = bubble_costable;
-
-	for (i = 32; i >= 0; i--) {
-		a = i / 32.0 * M_PI * 2;
-		*bub_sin++ = sin (a);
-		*bub_cos++ = cos (a);
-	}
-}
-
-
-void
-R_RenderDlight (dlight_t *light)
-{
-	int         i, j;
-	vec3_t      v;
-	float       rad;
-	float      *bub_sin, *bub_cos;
-
-	bub_sin = bubble_sintable;
-	bub_cos = bubble_costable;
-	rad = light->radius * 0.35;
-
-	VectorSubtract (light->origin, r_origin, v);
-	if (Length (v) < rad) {				// view is inside the dlight
-		return;
-	}
-
-	glBegin (GL_TRIANGLE_FAN);
-
-	if (lighthalf)
-		glColor3f (light->color[0] * 0.5, light->color[1] * 0.5,
-				   light->color[2] * 0.5);
-	else
-		glColor3fv (light->color);
-
-	VectorSubtract (r_origin, light->origin, v);
-	VectorNormalize (v);
-
-	for (i = 0; i < 3; i++)
-		v[i] = light->origin[i] + v[i] * rad;
-
-	glVertex3fv (v);
-	glColor3f (0, 0, 0);
-
-	for (i = 16; i >= 0; i--) {
-		for (j = 0; j < 3; j++)
-			v[j] = light->origin[j] + (vright[j] * (*bub_cos) +
-						   vup[j] * (*bub_sin)) * rad;
-		bub_sin += 2;
-		bub_cos += 2;
-		glVertex3fv (v);
-	}
-
-	glEnd ();
-}
-
-
-void
-R_RenderDlights (void)
-{
-	int         i;
-	dlight_t   *l;
-
-	if (!gl_dlight_polyblend->int_val)
-		return;
-
-	glDepthMask (GL_FALSE);
-	glDisable (GL_TEXTURE_2D);
-	glBlendFunc (GL_ONE, GL_ONE);
-	glShadeModel (GL_SMOOTH);
-
-	l = r_dlights;
-	for (i = 0; i < MAX_DLIGHTS; i++, l++) {
-		if (l->die < r_realtime || !l->radius)
-			continue;
-		R_RenderDlight (l);
-	}
-
-	if (!gl_dlight_smooth->int_val)
-		glShadeModel (GL_FLAT);
-	glColor3ubv (lighthalf_v);
-	glEnable (GL_TEXTURE_2D);
-	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	glDepthMask (GL_TRUE);
-}
-
-
-/*
-	DYNAMIC LIGHTS
-*/
-
-
-// LordHavoc: heavily modified, to eliminate unnecessary texture uploads,
-//            and support bmodel lighting better
-void
-R_MarkLights (vec3_t lightorigin, dlight_t *light, int bit, mnode_t *node)
-{
-	mplane_t   *splitplane;
-	float       ndist, maxdist;
-	msurface_t *surf;
-	int         i;
-
-	maxdist = light->radius * light->radius;
-
-loc0:
-	if (node->contents < 0)
-		return;
-
-	splitplane = node->plane;
-	ndist = DotProduct (lightorigin, splitplane->normal) - splitplane->dist;
-
-	if (ndist > light->radius) {
-		// Save time by not pushing another stack frame.
-		if (node->children[0]->contents >= 0) {
-			node = node->children[0];
-			goto loc0;
-		}
-		return;
-	}
-	if (ndist < -light->radius) {
-		// Save time by not pushing another stack frame.
-		if (node->children[1]->contents >= 0) {
-			node = node->children[1];
-			goto loc0;
-		}
-		return;
-	}
-
-// mark the polygons
-	surf = r_worldentity.model->surfaces + node->firstsurface;
-	for (i = 0; i < node->numsurfaces; i++, surf++) {
-		int s, t;
-		float l, dist, dist2;
-		vec3_t	impact;
-
-		dist = ndist;
-
-		dist2 = dist * dist;
-		if (dist2 >= maxdist)
-			continue;
-
-		impact[0] = light->origin[0] - surf->plane->normal[0] * dist;
-		impact[1] = light->origin[1] - surf->plane->normal[1] * dist;
-		impact[2] = light->origin[2] - surf->plane->normal[2] * dist;
-
-		l = DotProduct (impact, surf->texinfo->vecs[0]) +
-			surf->texinfo->vecs[0][3] - surf->texturemins[0];
-		s = l + 0.5;
-		if (s < 0)
-			s = 0;
-		else if (s > surf->extents[0])
-			s = surf->extents[0];
-		s = l - s;
-		l = DotProduct (impact, surf->texinfo->vecs[1]) +
-			surf->texinfo->vecs[1][3] - surf->texturemins[1];
-		t = l + 0.5;
-		if (t < 0)
-			t = 0;
-		else if (t > surf->extents[1])
-			t = surf->extents[1];
-		t = l - t;
-
-		if ((s * s + t * t + dist * dist) < maxdist) {
-			if (surf->dlightframe != r_framecount) {
-				surf->dlightframe = r_framecount;
-				surf->dlightbits = bit;
-			} else {
-				surf->dlightbits |= bit;
-			}
-		}
-	}
-
-	if (node->children[0]->contents >= 0) {
-		if (node->children[1]->contents >= 0)
-			R_MarkLights (lightorigin, light, bit, node->children[1]);
-
-		node = node->children[0];
-		goto loc0;
-	} else if (node->children[1]->contents >= 0) {
-		node = node->children[1];
-		goto loc0;
-	}
-}
-
-
-void
-R_PushDlights (vec3_t entorigin)
-{
-	int         i;
-	dlight_t   *l;
-	vec3_t      lightorigin;
-
-	if (!gl_dlight_lightmap->int_val)
-		return;
-
-	l = r_dlights;
-
-	for (i = 0; i < MAX_DLIGHTS; i++, l++) {
-		if (l->die < r_realtime || !l->radius)
-			continue;
-		VectorSubtract (l->origin, entorigin, lightorigin);
-		R_MarkLights (lightorigin, l, 1 << i, r_worldentity.model->nodes);
-	}
-}
-
-
-/*
-	LIGHT SAMPLING
-*/
-
-mplane_t   *lightplane;
-vec3_t      lightspot;
-
-int
-RecursiveLightPoint (mnode_t *node, vec3_t start, vec3_t end)
-{
-	int         r;
-	float       front, back, frac;
-	int         side;
-	mplane_t   *plane;
-	vec3_t      mid;
-	msurface_t *surf;
-	int         s, t, ds, dt;
-	int         i;
-	mtexinfo_t *tex;
-	byte       *lightmap;
-	unsigned int scale;
-	int         maps;
-
-	if (node->contents < 0)
-		return -1;						// didn't hit anything
-
-// calculate mid point
-
-// FIXME: optimize for axial
-	plane = node->plane;
-	front = DotProduct (start, plane->normal) - plane->dist;
-	back = DotProduct (end, plane->normal) - plane->dist;
-	side = front < 0;
-
-	if ((back < 0) == side)
-		return RecursiveLightPoint (node->children[side], start, end);
-
-	frac = front / (front - back);
-	mid[0] = start[0] + (end[0] - start[0]) * frac;
-	mid[1] = start[1] + (end[1] - start[1]) * frac;
-	mid[2] = start[2] + (end[2] - start[2]) * frac;
-
-// go down front side   
-	r = RecursiveLightPoint (node->children[side], start, mid);
-	if (r >= 0)
-		return r;						// hit something
-
-	if ((back < 0) == side)
-		return -1;						// didn't hit anything
-
-// check for impact on this node
-	VectorCopy (mid, lightspot);
-	lightplane = plane;
-
-	surf = r_worldentity.model->surfaces + node->firstsurface;
-	for (i = 0; i < node->numsurfaces; i++, surf++) {
-		if (surf->flags & SURF_DRAWTILED)
-			continue;					// no lightmaps
-
-		tex = surf->texinfo;
-
-		s = DotProduct (mid, tex->vecs[0]) + tex->vecs[0][3];
-		t = DotProduct (mid, tex->vecs[1]) + tex->vecs[1][3];;
-
-		if (s < surf->texturemins[0] || t < surf->texturemins[1])
-			continue;
-
-		ds = s - surf->texturemins[0];
-		dt = t - surf->texturemins[1];
-
-		if (ds > surf->extents[0] || dt > surf->extents[1])
-			continue;
-
-		if (!surf->samples)
-			return 0;
-
-		ds >>= 4;
-		dt >>= 4;
-
-		lightmap = surf->samples;
-		r = 0;
-		if (lightmap) {
-
-			lightmap += dt * ((surf->extents[0] >> 4) + 1) + ds;
-
-			for (maps = 0; maps < MAXLIGHTMAPS && surf->styles[maps] != 255;
-				 maps++) {
-				scale = d_lightstylevalue[surf->styles[maps]];
-				r += *lightmap * scale;
-				lightmap += ((surf->extents[0] >> 4) + 1) *
-					((surf->extents[1] >> 4) + 1);
-			}
-
-			r >>= 8;
-		}
-
-		return r;
-	}
-
-// go down back side
-	return RecursiveLightPoint (node->children[!side], mid, end);
-}
-
-
-int
-R_LightPoint (vec3_t p)
-{
-	vec3_t      end;
-	int         r;
-
-	if (!r_worldentity.model->lightdata)
-		return 255;
-
-	end[0] = p[0];
-	end[1] = p[1];
-	end[2] = p[2] - 2048;
-
-	r = RecursiveLightPoint (r_worldentity.model->nodes, p, end);
-
-	if (r == -1)
-		r = 0;
-
-	return r;
-}