mirror of
https://git.code.sf.net/p/quake/newtree
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Whitespace, optimizations to VID_Update()
This commit is contained in:
Jeff Teunissen
parent
979a5b7e47
commit
ded66b1bde
1 changed files with 336 additions and 314 deletions
312
source/vid_x11.c
312
source/vid_x11.c
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@ -1,7 +1,7 @@
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/*
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vid_x11.c
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general x11 video driver
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General X11 video driver
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 1999-2000 contributors of the QuakeForge project
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@ -31,52 +31,54 @@
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*/
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#define _BSD
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#include <config.h>
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#include <config.h>
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#include <ctype.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/keysym.h>
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#include <X11/extensions/XShm.h>
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#include "qendian.h"
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#include "qargs.h"
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#include "quakedef.h"
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#include "d_local.h"
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#include "keys.h"
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#include "cvar.h"
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#include "menu.h"
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#include "sys.h"
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#include "cmd.h"
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#include "input.h"
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#include "draw.h"
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#include "console.h"
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#include "va.h"
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#include "client.h"
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#include "input.h"
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#include "context_x11.h"
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#ifdef HAVE_VIDMODE
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# include <X11/extensions/xf86vmode.h>
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#endif
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#include "dga_check.h"
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/extensions/XShm.h>
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#ifdef HAVE_VIDMODE
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# include <X11/extensions/xf86vmode.h>
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#endif
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#include "client.h"
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#include "cmd.h"
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#include "console.h"
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#include "context_x11.h"
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#include "cvar.h"
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#include "d_local.h"
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#include "dga_check.h"
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#include "draw.h"
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#include "input.h"
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#include "input.h"
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#include "keys.h"
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#include "menu.h"
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#include "qargs.h"
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#include "qendian.h"
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#include "quakedef.h"
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#include "sys.h"
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#include "va.h"
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extern viddef_t vid; // global video state
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unsigned short d_8to16table[256];
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@ -86,7 +88,7 @@ static GC x_gc;
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int XShmQueryExtension (Display *);
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int XShmGetEventBase (Display *);
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qboolean doShm;
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static qboolean doShm;
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static XShmSegmentInfo x_shminfo[2];
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static int current_framebuffer;
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@ -100,6 +102,7 @@ static byte current_palette[768];
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typedef unsigned short PIXEL16;
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typedef unsigned long PIXEL24;
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static PIXEL16 st2d_8to16table[256];
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static PIXEL24 st2d_8to24table[256];
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static int shiftmask_fl = 0;
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@ -117,37 +120,53 @@ shiftmask_init( void )
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r_mask = x_vis->red_mask;
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g_mask = x_vis->green_mask;
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b_mask = x_vis->blue_mask;
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for (r_shift=-8,x=1; x<r_mask; x <<= 1) r_shift++;
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for (g_shift=-8,x=1; x<g_mask; x <<= 1) g_shift++;
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for (b_shift=-8,x=1; x<b_mask; x <<= 1) b_shift++;
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for (r_shift = -8, x = 1; x < r_mask; x <<= 1)
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r_shift++;
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for (g_shift = -8, x = 1; x < g_mask; x <<= 1)
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g_shift++;
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for (b_shift = -8, x = 1; x < b_mask; x <<= 1)
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b_shift++;
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shiftmask_fl = 1;
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}
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static PIXEL16
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xlib_rgb16(int r, int g, int b)
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{
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PIXEL16 p = 0;
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if (shiftmask_fl==0) shiftmask_init();
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if (!shiftmask_fl)
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shiftmask_init ();
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if (r_shift > 0) {
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p=(r << (r_shift)) & r_mask;
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} else if (r_shift<0) {
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} else {
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if (r_shift < 0) {
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p =(r >> (-r_shift)) & r_mask;
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} else p|=(r&r_mask);
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} else {
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p |= (r & r_mask);
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}
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}
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if (g_shift > 0) {
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p |= (g << (g_shift)) & g_mask;
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} else if (g_shift<0) {
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} else {
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if (g_shift < 0) {
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p |= (g >> (-g_shift)) & g_mask;
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} else p|=(g&g_mask);
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} else {
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p |= (g & g_mask);
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}
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}
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if (b_shift > 0) {
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p |= (b << (b_shift)) & b_mask;
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} else if (b_shift<0) {
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} else {
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if (b_shift < 0) {
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p |= (b >> (-b_shift)) & b_mask;
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} else p|=(b&b_mask);
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} else {
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p |= (b & b_mask);
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}
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}
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return p;
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}
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@ -158,30 +177,42 @@ xlib_rgb24(int r,int g,int b)
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{
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PIXEL24 p = 0;
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if (shiftmask_fl==0) shiftmask_init();
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if (!shiftmask_fl)
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shiftmask_init ();
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if (r_shift > 0) {
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p = (r << (r_shift)) & r_mask;
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} else if (r_shift<0) {
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} else {
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if (r_shift < 0) {
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p = (r >> (-r_shift)) & r_mask;
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} else p|=(r&r_mask);
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} else {
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p |= (r & r_mask);
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}
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}
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if (g_shift > 0) {
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p |= (g << (g_shift)) & g_mask;
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} else if (g_shift<0) {
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} else {
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if (g_shift < 0) {
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p |= (g >> (-g_shift)) & g_mask;
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} else p|=(g&g_mask);
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} else {
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p |= (g & g_mask);
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}
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}
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if (b_shift > 0) {
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p |= (b << (b_shift)) & b_mask;
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} else if (b_shift<0) {
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} else {
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if (b_shift < 0) {
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p |= (b >> (-b_shift)) & b_mask;
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} else p|=(b&b_mask);
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} else {
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p |= (b & b_mask);
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}
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}
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return p;
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}
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static void
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st2_fixup (XImage *framebuf, int x, int y, int width, int height)
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{
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@ -189,7 +220,8 @@ st2_fixup(XImage *framebuf, int x, int y, int width, int height)
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unsigned char *src;
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PIXEL16 *dest;
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if (x < 0 || y < 0) return;
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if (x < 0 || y < 0)
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return;
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for (yi = y; yi < (y + height); yi++) {
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src = &framebuf->data[yi * framebuf->bytes_per_line];
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@ -243,7 +275,8 @@ st3_fixup(XImage *framebuf, int x, int y, int width, int height)
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D_BeginDirectRect
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================
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*/
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void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
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void
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D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
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{
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// direct drawing of the "accessing disk" icon isn't supported
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}
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@ -254,7 +287,8 @@ void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
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D_EndDirectRect
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================
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*/
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void D_EndDirectRect (int x, int y, int width, int height)
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void
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D_EndDirectRect (int x, int y, int width, int height)
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{
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// direct drawing of the "accessing disk" icon isn't supported
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}
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@ -270,7 +304,8 @@ Keybinding command
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byte vid_gamma[256];
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void VID_Gamma_f (void)
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void
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VID_Gamma_f (void)
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{
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float g, f, inf;
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@ -282,8 +317,7 @@ void VID_Gamma_f (void)
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for (i = 0; i < 255; i++) {
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f = pow ((i + 1) / 256.0, g);
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inf = f*255 + 0.5;
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if (inf < 0) inf = 0;
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if (inf > 255) inf = 255;
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inf = bound (0, inf, 255);
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vid_gamma[i] = inf;
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}
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@ -341,21 +375,20 @@ ResetFrameBuffer(void)
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D_InitCaches (vid_surfcache, tcachesize);
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pwidth = x_visinfo->depth / 8;
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if (pwidth == 3) pwidth = 4;
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if (pwidth == 3)
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pwidth = 4;
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mem = ((vid.width * pwidth + 7) &~ 7) * vid.height;
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x_framebuffer[0] = XCreateImage (x_disp, x_vis, x_visinfo->depth,
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ZPixmap, 0,
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malloc(mem),
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vid.width, vid.height,
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32, 0);
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ZPixmap, 0, malloc (mem), vid.width,
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vid.height, 32, 0);
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if (!x_framebuffer[0]) {
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Sys_Error ("VID: XCreateImage failed\n");
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}
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}
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static void
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ResetSharedFrameBuffers (void)
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{
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@ -411,18 +444,12 @@ ResetSharedFrameBuffers(void)
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}
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// create the image
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x_framebuffer[frm] = XShmCreateImage (x_disp,
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x_vis,
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x_visinfo->depth,
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ZPixmap,
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0,
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&x_shminfo[frm],
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vid.width,
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vid.height );
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x_framebuffer[frm] = XShmCreateImage (x_disp, x_vis, x_visinfo->depth,
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ZPixmap, 0, &x_shminfo[frm],
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vid.width, vid.height );
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// grab shared memory
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size = x_framebuffer[frm]->bytes_per_line
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* x_framebuffer[frm]->height;
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size = x_framebuffer[frm]->bytes_per_line * x_framebuffer[frm]->height;
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if (size < minsize)
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Sys_Error ("VID: Window must use at least %d bytes\n", minsize);
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@ -433,8 +460,7 @@ ResetSharedFrameBuffers(void)
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Sys_Error ("VID: Could not get any shared memory\n");
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// attach to the shared memory segment
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x_shminfo[frm].shmaddr =
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(void *) shmat(x_shminfo[frm].shmid, 0, 0);
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x_shminfo[frm].shmaddr = (void *) shmat (x_shminfo[frm].shmid, 0, 0);
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printf ("VID: shared memory id=%d, addr=0x%lx\n", x_shminfo[frm].shmid,
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(long) x_shminfo[frm].shmaddr);
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@ -451,17 +477,22 @@ ResetSharedFrameBuffers(void)
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}
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static void event_shm(XEvent *event)
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static void
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event_shm (XEvent *event)
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{
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if (doShm)
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oktodraw = true;
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}
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// Called at startup to set up translation tables, takes 256 8 bit RGB values
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// the palette data will go away after the call, so it must be copied off if
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// the video driver will need it again
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/*
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VID_Init
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void VID_Init (unsigned char *palette)
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Set up color translation tables and the window. Takes a 256-color 8-bit
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palette. Palette data will go away after the call, so copy it if you'll
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need it later.
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*/
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void
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VID_Init (unsigned char *palette)
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{
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int pnum, i;
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XVisualInfo template;
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@ -489,52 +520,46 @@ void VID_Init (unsigned char *palette)
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// open the display
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x11_open_display ();
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// check for command-line window size
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template_mask = 0;
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// specify a visual id
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if ((pnum=COM_CheckParm("-visualid")))
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{
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if ((pnum = COM_CheckParm ("-visualid"))) {
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if (pnum >= com_argc-1)
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Sys_Error ("VID: -visualid <id#>\n");
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template.visualid = atoi (com_argv[pnum+1]);
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template_mask = VisualIDMask;
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}
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// If not specified, use default visual
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else
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{
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} else { // If not specified, use default visual
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template.visualid =
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XVisualIDFromVisual (XDefaultVisual (x_disp, x_screen));
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template_mask = VisualIDMask;
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}
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// pick a visual- warn if more than one was available
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// pick a visual -- warn if more than one was available
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x_visinfo = XGetVisualInfo (x_disp, template_mask, &template, &num_visuals);
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x_vis = x_visinfo->visual;
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if (num_visuals > 1) {
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printf ("Found more than one visual id at depth %d:\n", template.depth);
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for (i = 0; i < num_visuals; i++)
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printf(" -visualid %d\n", (int)(x_visinfo[i].visualid));
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} else if (num_visuals == 0) {
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if (template_mask == VisualIDMask) {
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Sys_Error("VID: Bad visual id %ld\n",
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template.visualid);
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printf (" -visualid %d\n", (int) x_visinfo[i].visualid);
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} else {
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Sys_Error("VID: No visuals at depth %d\n",
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template.depth);
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if (num_visuals == 0) {
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if (template_mask == VisualIDMask) {
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Sys_Error ("VID: Bad visual ID %ld\n", template.visualid);
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} else {
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Sys_Error ("VID: No visuals at depth %d\n", template.depth);
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}
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}
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}
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if (verbose) {
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printf("Using visualid %d:\n", (int)(x_visinfo->visualid));
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printf ("Using visualid %d:\n", (int) x_visinfo->visualid);
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printf (" class %d\n", x_visinfo->class);
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printf (" screen %d\n", x_visinfo->screen);
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printf (" depth %d\n", x_visinfo->depth);
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printf(" red_mask 0x%x\n", (int)(x_visinfo->red_mask));
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printf(" green_mask 0x%x\n", (int)(x_visinfo->green_mask));
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printf(" blue_mask 0x%x\n", (int)(x_visinfo->blue_mask));
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printf (" red_mask 0x%x\n", (int) x_visinfo->red_mask);
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printf (" green_mask 0x%x\n", (int) x_visinfo->green_mask);
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printf (" blue_mask 0x%x\n", (int) x_visinfo->blue_mask);
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printf (" colormap_size %d\n",x_visinfo->colormap_size);
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printf (" bits_per_rgb %d\n", x_visinfo->bits_per_rgb);
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}
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@ -551,8 +576,7 @@ void VID_Init (unsigned char *palette)
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if (x_visinfo->depth == 8) {
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/* Create and upload the palette */
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if (x_visinfo->class == PseudoColor) {
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x_cmap = XCreateColormap(x_disp, x_win,
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x_vis, AllocAll);
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x_cmap = XCreateColormap (x_disp, x_win, x_vis, AllocAll);
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VID_SetPalette (palette);
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XSetWindowColormap (x_disp, x_win, x_cmap);
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}
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@ -562,6 +586,7 @@ void VID_Init (unsigned char *palette)
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{
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XGCValues xgcvalues;
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int valuemask = GCGraphicsExposures;
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xgcvalues.graphics_exposures = False;
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x_gc = XCreateGC (x_disp, x_win, valuemask, &xgcvalues );
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}
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@ -571,8 +596,7 @@ void VID_Init (unsigned char *palette)
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// wait for first exposure event
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{
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XEvent event;
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do
|
||||
{
|
||||
do {
|
||||
XNextEvent (x_disp, &event);
|
||||
if (event.type == Expose && !event.xexpose.count)
|
||||
oktodraw = true;
|
||||
|
|
@ -581,29 +605,27 @@ void VID_Init (unsigned char *palette)
|
|||
// now safe to draw
|
||||
|
||||
// even if MITSHM is available, make sure it's a local connection
|
||||
if (XShmQueryExtension(x_disp))
|
||||
//if (0)
|
||||
{
|
||||
if (XShmQueryExtension (x_disp)) {
|
||||
char *displayname;
|
||||
char *d;
|
||||
|
||||
doShm = true;
|
||||
displayname = (char *) getenv("DISPLAY");
|
||||
if (displayname)
|
||||
{
|
||||
char *d = displayname;
|
||||
while (*d && (*d != ':')) d++;
|
||||
if (*d) *d = 0;
|
||||
|
||||
if ((displayname = XDisplayName (NULL))) {
|
||||
if ((d = strchr (displayname, ':')))
|
||||
*d = '\0';
|
||||
|
||||
if (!(!strcasecmp(displayname, "unix") || !*displayname))
|
||||
doShm = false;
|
||||
}
|
||||
}
|
||||
|
||||
if (doShm)
|
||||
{
|
||||
if (doShm) {
|
||||
x_shmeventtype = XShmGetEventBase (x_disp) + ShmCompletion;
|
||||
ResetSharedFrameBuffers ();
|
||||
}
|
||||
else
|
||||
} else {
|
||||
ResetFrameBuffer ();
|
||||
}
|
||||
|
||||
current_framebuffer = 0;
|
||||
vid.rowbytes = x_framebuffer[0]->bytes_per_line;
|
||||
|
|
@ -663,7 +685,9 @@ VID_SetPalette(unsigned char *palette)
|
|||
|
||||
|
||||
/*
|
||||
Called at shutdown
|
||||
VID_Shutdown
|
||||
|
||||
Restore video mode
|
||||
*/
|
||||
void
|
||||
VID_Shutdown (void)
|
||||
|
|
@ -680,7 +704,9 @@ static int config_notify_width;
|
|||
static int config_notify_height;
|
||||
|
||||
/*
|
||||
Flushes the given rectangles from the view buffer to the screen.
|
||||
VID_Update
|
||||
|
||||
Flush the given rectangles from the view buffer to the screen.
|
||||
*/
|
||||
void
|
||||
VID_Update (vrect_t *rects)
|
||||
|
|
@ -691,10 +717,12 @@ VID_Update(vrect_t *rects)
|
|||
config_notify = 0;
|
||||
vid.width = config_notify_width &~ 7;
|
||||
vid.height = config_notify_height;
|
||||
|
||||
if (doShm)
|
||||
ResetSharedFrameBuffers ();
|
||||
else
|
||||
ResetFrameBuffer ();
|
||||
|
||||
vid.rowbytes = x_framebuffer[0]->bytes_per_line;
|
||||
vid.buffer = x_framebuffer[current_framebuffer]->data;
|
||||
vid.conbuffer = vid.buffer;
|
||||
|
|
@ -707,60 +735,54 @@ VID_Update(vrect_t *rects)
|
|||
return;
|
||||
}
|
||||
|
||||
if (doShm) {
|
||||
while (rects) {
|
||||
if (x_visinfo->depth == 16) {
|
||||
switch (x_visinfo->depth) {
|
||||
case 16:
|
||||
st2_fixup (x_framebuffer[current_framebuffer],
|
||||
rects->x, rects->y, rects->width,
|
||||
rects->height);
|
||||
} else if (x_visinfo->depth == 24) {
|
||||
break;
|
||||
case 24:
|
||||
st3_fixup (x_framebuffer[current_framebuffer],
|
||||
rects->x, rects->y, rects->width,
|
||||
rects->height);
|
||||
break;
|
||||
}
|
||||
if (doShm) {
|
||||
if (!XShmPutImage (x_disp, x_win, x_gc,
|
||||
x_framebuffer[current_framebuffer],
|
||||
rects->x, rects->y,
|
||||
rects->x, rects->y,
|
||||
rects->x, rects->y, rects->x, rects->y,
|
||||
rects->width, rects->height, True)) {
|
||||
Sys_Error ("VID_Update: XShmPutImage failed\n");
|
||||
}
|
||||
oktodraw = false;
|
||||
while (!oktodraw) x11_process_event();
|
||||
while (!oktodraw)
|
||||
x11_process_event ();
|
||||
rects = rects->pnext;
|
||||
}
|
||||
|
||||
current_framebuffer = !current_framebuffer;
|
||||
vid.buffer = x_framebuffer[current_framebuffer]->data;
|
||||
vid.conbuffer = vid.buffer;
|
||||
XSync(x_disp, False);
|
||||
} else {
|
||||
while (rects) {
|
||||
if (x_visinfo->depth == 16) {
|
||||
st2_fixup(x_framebuffer[current_framebuffer],
|
||||
rects->x, rects->y, rects->width,
|
||||
rects->height);
|
||||
} else if (x_visinfo->depth == 24) {
|
||||
st3_fixup(x_framebuffer[current_framebuffer],
|
||||
rects->x, rects->y, rects->width,
|
||||
rects->height);
|
||||
}
|
||||
XPutImage(x_disp, x_win, x_gc, x_framebuffer[0],
|
||||
if (!XPutImage (x_disp, x_win, x_gc, x_framebuffer[0],
|
||||
rects->x, rects->y, rects->x, rects->y,
|
||||
rects->width, rects->height);
|
||||
rects->width, rects->height)) {
|
||||
Sys_Error ("VID_Update: XPutImage failed\n");
|
||||
}
|
||||
rects = rects->pnext;
|
||||
}
|
||||
}
|
||||
XSync (x_disp, False);
|
||||
}
|
||||
}
|
||||
|
||||
static int dither;
|
||||
static qboolean dither;
|
||||
|
||||
void
|
||||
VID_DitherOn (void)
|
||||
{
|
||||
if (dither == 0) {
|
||||
if (!dither) {
|
||||
vid.recalc_refdef = 1;
|
||||
dither = 1;
|
||||
dither = true;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -770,7 +792,7 @@ VID_DitherOff (void)
|
|||
{
|
||||
if (dither) {
|
||||
vid.recalc_refdef = 1;
|
||||
dither = 0;
|
||||
dither = false;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue