Merge R_MarkLeaves from gl, sw, and sw32.

Other than novis, they're functionally identical. Now sw and sw32 have
novis as well.

libs/video/renderer/Makefile.am

@@ -10,8 +10,8 @@ EXTRA_LTLIBRARIES=	libQFrenderer_sw.la libQFrenderer_sw32.la \
 					libQFrenderer_gl.la libQFrenderer_glsl.la
 
 common_sources= \
-	crosshair.c r_alias.c r_cvar.c r_efrag.c r_ent.c r_graph.c r_light.c \
+	crosshair.c r_alias.c r_bsp.c r_cvar.c r_efrag.c r_ent.c r_graph.c \
-	r_main.c r_part.c r_progs.c r_screen.c
+	r_light.c r_main.c r_part.c r_progs.c r_screen.c
 
 libQFrenderer_gl_la_LDFLAGS=		-version-info $(QUAKE_LIBRARY_VERSION_INFO) -rpath $(libdir)
 libQFrenderer_gl_la_LIBADD=			gl/libgl.la

libs/video/renderer/gl/gl_rmain.c

@@ -97,8 +97,6 @@ float       r_base_world_matrix[16];
 // screen size info
 VISIBLE refdef_t    r_refdef;
 
-mleaf_t    *r_viewleaf, *r_oldviewleaf;
-
 int         d_lightstylevalue[256];		// 8.8 fraction of base light value
 
 vec3_t		shadecolor;					// Ender (Extend) Colormod

libs/video/renderer/gl/gl_rsurf.c

@@ -836,50 +836,6 @@ R_DrawWorld (void)
 	clear_texture_chains ();
 }
 
-void
-R_MarkLeaves (void)
-{
-	byte         solid[4096];
-	byte        *vis;
-	int			 c;
-	unsigned int i;
-	mleaf_t     *leaf;
-	mnode_t     *node;
-	msurface_t **mark;
-
-	if (r_oldviewleaf == r_viewleaf && !r_novis->int_val)
-		return;
-
-	r_visframecount++;
-	r_oldviewleaf = r_viewleaf;
-
-	if (r_novis->int_val) {
-		vis = solid;
-		memset (solid, 0xff, (r_worldentity.model->numleafs + 7) >> 3);
-	} else
-		vis = Mod_LeafPVS (r_viewleaf, r_worldentity.model);
-
-	for (i = 0; (int) i < r_worldentity.model->numleafs; i++) {
-		if (vis[i >> 3] & (1 << (i & 7))) {
-			leaf = &r_worldentity.model->leafs[i + 1];
-			if ((c = leaf->nummarksurfaces)) {
-				mark = leaf->firstmarksurface;
-				do {
-					(*mark)->visframe = r_visframecount;
-					mark++;
-				} while (--c);
-			}
-			node = (mnode_t *) leaf;
-			do {
-				if (node->visframe == r_visframecount)
-					break;
-				node->visframe = r_visframecount;
-				node = node->parent;
-			} while (node);
-		}
-	}
-}
-
 int         nColinElim;
 model_t    *currentmodel;
 mvertex_t  *r_pcurrentvertbase;

libs/video/renderer/r_bsp.c

@@ -0,0 +1,90 @@
+/*
+	r_bsp.c
+
+	Common bsp rendering.
+
+	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
+
+*/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+static __attribute__ ((used)) const char rcsid[] = "$Id$";
+
+#ifdef HAVE_STRING_H
+# include "string.h"
+#endif
+#ifdef HAVE_STRINGS_H
+# include "strings.h"
+#endif
+
+#include "QF/cvar.h"
+
+#include "r_cvar.h"
+#include "r_local.h"
+#include "r_shared.h"
+
+mleaf_t    *r_viewleaf, *r_oldviewleaf;
+
+void
+R_MarkLeaves (void)
+{
+	byte         solid[8192];
+	byte        *vis;
+	int			 c;
+	unsigned int i;
+	mleaf_t     *leaf;
+	mnode_t     *node;
+	msurface_t **mark;
+
+	if (r_oldviewleaf == r_viewleaf && !r_novis->int_val)
+		return;
+
+	r_visframecount++;
+	r_oldviewleaf = r_viewleaf;
+
+	if (r_novis->int_val) {
+		vis = solid;
+		memset (solid, 0xff, (r_worldentity.model->numleafs + 7) >> 3);
+	} else
+		vis = Mod_LeafPVS (r_viewleaf, r_worldentity.model);
+
+	for (i = 0; (int) i < r_worldentity.model->numleafs; i++) {
+		if (vis[i >> 3] & (1 << (i & 7))) {
+			leaf = &r_worldentity.model->leafs[i + 1];
+			if ((c = leaf->nummarksurfaces)) {
+				mark = leaf->firstmarksurface;
+				do {
+					(*mark)->visframe = r_visframecount;
+					mark++;
+				} while (--c);
+			}
+			node = (mnode_t *) leaf;
+			do {
+				if (node->visframe == r_visframecount)
+					break;
+				node->visframe = r_visframecount;
+				node = node->parent;
+			} while (node);
+		}
+	}
+}

libs/video/renderer/sw/sw_rmain.c

@@ -133,8 +133,6 @@ int         reinit_surfcache = 1;	// if 1, surface cache is currently empty
 									// and must be reinitialized for current
 									// cache size
 
-mleaf_t    *r_viewleaf, *r_oldviewleaf;
-
 float       r_aliastransition, r_resfudge;
 
 int         d_lightstylevalue[256];		// 8.8 fraction of base light value
@@ -367,47 +365,6 @@ R_ViewChanged (float aspect)
 	D_ViewChanged ();
 }
 
-void
-R_MarkLeaves (void)
-{
-	byte       *vis;
-	mnode_t    *node;
-	mleaf_t    *leaf;
-	msurface_t **mark;
-	int         c;
-	int         i;
-
-	if (r_oldviewleaf == r_viewleaf)
-		return;
-
-	r_visframecount++;
-	r_oldviewleaf = r_viewleaf;
-
-	vis = Mod_LeafPVS (r_viewleaf, r_worldentity.model);
-
-	for (i = 0; i < r_worldentity.model->numleafs; i++) {
-		if (vis[i >> 3] & (1 << (i & 7))) {
-			leaf = &r_worldentity.model->leafs[i + 1];
-			mark = leaf->firstmarksurface;
-			c = leaf->nummarksurfaces;
-			if (c) {
-				do {
-					(*mark)->visframe = r_visframecount;
-					mark++;
-				} while (--c);
-			}
-
-			node = (mnode_t *) leaf;
-			do {
-				if (node->visframe == r_visframecount)
-					break;
-				node->visframe = r_visframecount;
-				node = node->parent;
-			} while (node);
-		}
-	}
-}
-
 static void
 R_DrawEntitiesOnList (void)
 {

libs/video/renderer/sw32/sw32_rmain.c

@@ -127,8 +127,6 @@ int         reinit_surfcache = 1;	// if 1, surface cache is currently empty
 									// and must be reinitialized for current
 									// cache size
 
-mleaf_t    *r_viewleaf, *r_oldviewleaf;
-
 float       r_aliastransition, r_resfudge;
 
 int         d_lightstylevalue[256];		// 8.8 fraction of base light value
@@ -387,47 +385,6 @@ R_ViewChanged (float aspect)
 	D_ViewChanged ();
 }
 
-void
-R_MarkLeaves (void)
-{
-	byte       *vis;
-	mnode_t    *node;
-	mleaf_t    *leaf;
-	msurface_t **mark;
-	int         c;
-	int         i;
-
-	if (r_oldviewleaf == r_viewleaf)
-		return;
-
-	r_visframecount++;
-	r_oldviewleaf = r_viewleaf;
-
-	vis = Mod_LeafPVS (r_viewleaf, r_worldentity.model);
-
-	for (i = 0; i < r_worldentity.model->numleafs; i++) {
-		if (vis[i >> 3] & (1 << (i & 7))) {
-			leaf = &r_worldentity.model->leafs[i + 1];
-			mark = leaf->firstmarksurface;
-			c = leaf->nummarksurfaces;
-			if (c) {
-				do {
-					(*mark)->visframe = r_visframecount;
-					mark++;
-				} while (--c);
-			}
-
-			node = (mnode_t *) leaf;
-			do {
-				if (node->visframe == r_visframecount)
-					break;
-				node->visframe = r_visframecount;
-				node = node->parent;
-			} while (node);
-		}
-	}
-}
-
 static void
 R_DrawEntitiesOnList (void)
 {