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Diffstat (limited to 'src/glut/fbdev/gamemode.c')
-rw-r--r--src/glut/fbdev/gamemode.c306
1 files changed, 0 insertions, 306 deletions
diff --git a/src/glut/fbdev/gamemode.c b/src/glut/fbdev/gamemode.c
deleted file mode 100644
index 30be36a..0000000
--- a/src/glut/fbdev/gamemode.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- * Copyright (C) 1995-2006 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/*
- * Library for glut using mesa fbdev driver
- *
- * Written by Sean D'Epagnier (c) 2006
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <linux/fb.h>
-
-#include <GL/glut.h>
-
-#include "internal.h"
-
-int GameMode;
-
-static int ModePossible, DispChanged;
-static struct fb_var_screeninfo NormVarInfo, GameVarInfo;
-
-static GLFBDevContextPtr GameContext;
-static GLFBDevVisualPtr NormVisual;
-
-/* storage for non-gamemode callbacks */
-void (*KeyFuncs[2])(unsigned char key, int x, int y);
-static void (*NormFuncs[8])();
-
-static const char*SetOpers(const char *p, unsigned int *min, unsigned int *max)
-{
- char *endptr;
- int comp = *p, val, neq = 0;
-
- if(p[1] == '=') {
- neq = 0;
- p++;
- }
-
- val = strtol(p+1, &endptr, 10);
- if(endptr == p+1)
- return p;
-
- switch(comp) {
- case '=':
- *min = *max = val;
- break;
- case '!':
- *min = val + 1;
- *max = val - 1;
- break;
- case '<':
- *max = val - neq;
- break;
- case '>':
- *min = val + neq;
- break;
- }
- return endptr;
-}
-
-void glutGameModeString(const char *string)
-{
- const char *p = string;
- unsigned int minb = 15, maxb = 32;
- unsigned int minw = 0, maxw = -1;
- unsigned int minh, maxh = -1;
- unsigned int minf = 0, maxf = MAX_VSYNC;
- char *endptr;
- int count = -1, val;
-
- ModePossible = 0;
-
- if(DisplayMode & GLUT_INDEX)
- minb = maxb = 8;
-
- again:
- count++;
- if((val = strtol(p, &endptr, 10)) && *endptr=='x') {
- maxw = minw = val;
- p = endptr + 1;
- maxh = minh = strtol(p, &endptr, 10);
- p = endptr;
- goto again;
- }
-
- if(*p == ':') {
- minb = strtol(p+1, &endptr, 10);
- p = endptr;
- if(DisplayMode & GLUT_INDEX) {
- if(minb != 8)
- return;
- } else
- if(minb != 15 && minb != 16 && minb != 24 && minb != 32)
- return;
- maxb = minb;
- goto again;
- }
-
- if(*p == '@') {
- minf = strtol(p+1, &endptr, 10) - 5;
- maxf = minf + 10;
- p = endptr;
- goto again;
- }
-
- if(count == 0)
- while(*p) {
- if(*p == ' ')
- p++;
- else
- if(memcmp(p, "bpp", 3) == 0)
- p = SetOpers(p+3, &minb, &maxb);
- else
- if(memcmp(p, "height", 6) == 0)
- p = SetOpers(p+6, &minh, &maxh);
- else
- if(memcmp(p, "hertz", 5) == 0)
- p = SetOpers(p+5, &minf, &maxf);
- else
- if(memcmp(p, "width", 5) == 0)
- p = SetOpers(p+5, &minw, &maxw);
- else
- if(p = strchr(p, ' '))
- p++;
- else
- break;
- }
-
- NormVarInfo = VarInfo;
- if(!ParseFBModes(minw, maxw, minh, maxh, minf, maxf))
- return;
-
- GameVarInfo = VarInfo;
- VarInfo = NormVarInfo;
-
- /* determine optimal bitdepth, make sure we have enough video memory */
- if(VarInfo.bits_per_pixel && VarInfo.bits_per_pixel <= maxb)
- GameVarInfo.bits_per_pixel = VarInfo.bits_per_pixel;
- else
- GameVarInfo.bits_per_pixel = maxb;
-
- while(FixedInfo.smem_len < GameVarInfo.xres * GameVarInfo.yres
- * GameVarInfo.bits_per_pixel / 8) {
- if(GameVarInfo.bits_per_pixel < minb)
- return;
- GameVarInfo.bits_per_pixel = ((GameVarInfo.bits_per_pixel+1)/8)*8-8;
- }
-
- ModePossible = 1;
-}
-
-int glutEnterGameMode(void)
-{
- if(ActiveMenu)
- return 0;
-
- if(!ModePossible)
- return 0;
-
- if(GameMode) {
- if(!memcmp(&GameVarInfo, &VarInfo, sizeof VarInfo)) {
- DispChanged = 0;
- return 1;
- }
- glutLeaveGameMode();
- }
-
- if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &GameVarInfo))
- return 0;
-
- NormVarInfo = VarInfo;
- VarInfo = GameVarInfo;
-
- NormVisual = Visual;
- SetVideoMode();
- CreateVisual();
- CreateBuffer();
-
- if(!(GameContext = glFBDevCreateContext(Visual, NULL))) {
- sprintf(exiterror, "Failure to create Context\n");
- exit(0);
- }
-
- if(!glFBDevMakeCurrent( GameContext, Buffer, Buffer )) {
- sprintf(exiterror, "Failure to Make Game Current\n");
- exit(0);
- }
-
- InitializeCursor();
-
- KeyFuncs[0] = KeyboardFunc;
- KeyFuncs[1] = KeyboardUpFunc;
-
- NormFuncs[0] = DisplayFunc;
- NormFuncs[1] = ReshapeFunc;
- NormFuncs[2] = MouseFunc;
- NormFuncs[3] = MotionFunc;
- NormFuncs[4] = PassiveMotionFunc;
- NormFuncs[5] = VisibilityFunc;
- NormFuncs[6] = SpecialFunc;
- NormFuncs[7] = SpecialUpFunc;
-
- DisplayFunc = NULL;
- ReshapeFunc = NULL;
- KeyboardFunc = NULL;
- KeyboardUpFunc = NULL;
- MouseFunc = NULL;
- MotionFunc = NULL;
- PassiveMotionFunc = NULL;
- VisibilityFunc = NULL;
- SpecialFunc = SpecialUpFunc = NULL;
-
- DispChanged = 1;
- GameMode = 1;
- Visible = 1;
- VisibleSwitch = 1;
- Redisplay = 1;
- return 1;
-}
-
-void glutLeaveGameMode(void)
-{
- if(!GameMode)
- return;
-
- glFBDevDestroyContext(GameContext);
- glFBDevDestroyVisual(Visual);
-
- VarInfo = NormVarInfo;
- Visual = NormVisual;
-
- if(Visual) {
- SetVideoMode();
- CreateBuffer();
-
- if(!glFBDevMakeCurrent( Context, Buffer, Buffer )) {
- sprintf(exiterror, "Failure to Make Current\n");
- exit(0);
- }
-
- Redisplay = 1;
- }
-
- KeyboardFunc = KeyFuncs[0];
- KeyboardUpFunc = KeyFuncs[1];
-
- DisplayFunc = NormFuncs[0];
- ReshapeFunc = NormFuncs[1];
- MouseFunc = NormFuncs[2];
- MotionFunc = NormFuncs[3];
- PassiveMotionFunc = NormFuncs[4];
- VisibilityFunc = NormFuncs[5];
- SpecialFunc = NormFuncs[6];
- SpecialUpFunc = NormFuncs[7];
-
- GameMode = 0;
-}
-
-int glutGameModeGet(GLenum mode) {
- switch(mode) {
- case GLUT_GAME_MODE_ACTIVE:
- return GameMode;
- case GLUT_GAME_MODE_POSSIBLE:
- return ModePossible;
- case GLUT_GAME_MODE_DISPLAY_CHANGED:
- return DispChanged;
- }
-
- if(!ModePossible)
- return -1;
-
- switch(mode) {
- case GLUT_GAME_MODE_WIDTH:
- return GameVarInfo.xres;
- case GLUT_GAME_MODE_HEIGHT:
- return GameVarInfo.yres;
- case GLUT_GAME_MODE_PIXEL_DEPTH:
- return GameVarInfo.bits_per_pixel;
- case GLUT_GAME_MODE_REFRESH_RATE:
- return 1E12/GameVarInfo.pixclock
- / (GameVarInfo.left_margin + GameVarInfo.xres
- + GameVarInfo.right_margin + GameVarInfo.hsync_len)
- / (GameVarInfo.upper_margin + GameVarInfo.yres
- + GameVarInfo.lower_margin + GameVarInfo.vsync_len);
- }
-}
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