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Diffstat (limited to 'src/glut/fbdev/fbdev.c')
-rw-r--r--src/glut/fbdev/fbdev.c940
1 files changed, 0 insertions, 940 deletions
diff --git a/src/glut/fbdev/fbdev.c b/src/glut/fbdev/fbdev.c
deleted file mode 100644
index 80237f5bc7..0000000000
--- a/src/glut/fbdev/fbdev.c
+++ /dev/null
@@ -1,940 +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
- *
- * To improve on this library, maybe support subwindows or overlays,
- * I (sean at depagnier dot com) will do my best to help.
- */
-
-#include <errno.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <inttypes.h>
-
-#include <sys/mman.h>
-#include <sys/time.h>
-#include <sys/kd.h>
-
-#include <linux/fb.h>
-#include <linux/vt.h>
-
-#include <GL/gl.h>
-#include <GL/glut.h>
-
-#include "internal.h"
-
-#define FBMODES "/etc/fb.modes"
-
-struct fb_fix_screeninfo FixedInfo;
-struct fb_var_screeninfo VarInfo;
-static struct fb_var_screeninfo OrigVarInfo;
-
-static int DesiredDepth = 0;
-
-int FrameBufferFD = -1;
-unsigned char *FrameBuffer;
-unsigned char *BackBuffer = NULL;
-int DisplayMode;
-
-struct GlutTimer *GlutTimers = NULL;
-
-struct timeval StartTime;
-
-/* per window data */
-GLFBDevContextPtr Context;
-GLFBDevBufferPtr Buffer;
-GLFBDevVisualPtr Visual;
-
-int Redisplay;
-int Visible;
-int VisibleSwitch;
-int Active;
-static int Resized;
-/* we have to poll to see if we are visible
- on a framebuffer that is not active */
-int VisiblePoll;
-int Swapping, VTSwitch;
-static int FramebufferIndex;
-
-static int Initialized;
-
-char exiterror[256];
-
-/* test if the active console is attached to the same framebuffer */
-void TestVisible(void) {
- struct fb_con2fbmap confb;
- struct vt_stat st;
- int ret;
- ioctl(ConsoleFD, VT_GETSTATE, &st);
- confb.console = st.v_active;
-
- ret = ioctl(FrameBufferFD, FBIOGET_CON2FBMAP, &confb);
-
- if(ret == -1 || confb.framebuffer == FramebufferIndex) {
- VisibleSwitch = 1;
- Visible = 0;
- VisiblePoll = 0;
- }
-}
-
-static void Cleanup(void)
-{
- /* do not handle this signal when cleaning up */
- signal(SIGWINCH, SIG_IGN);
-
- if(GameMode)
- glutLeaveGameMode();
-
- if(ConsoleFD != -1)
- RestoreVT();
-
- /* close mouse */
- CloseMouse();
-
- if(Visual)
- glutDestroyWindow(1);
-
- /* restore original variable screen info */
- if(FrameBufferFD != -1) {
- OrigVarInfo.xoffset = 0;
- OrigVarInfo.yoffset = 0;
-
- if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &OrigVarInfo))
- fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
- strerror(errno));
-
- if(FrameBuffer)
- munmap(FrameBuffer, FixedInfo.smem_len);
- close(FrameBufferFD);
-
- }
-
- /* free allocated back buffer */
- if(DisplayMode & GLUT_DOUBLE)
- free(BackBuffer);
-
- /* free menu items */
- FreeMenus();
-
- if(exiterror[0])
- fprintf(stderr, "[glfbdev glut] %s", exiterror);
- }
-
-static void CrashHandler(int sig)
-{
- sprintf(exiterror, "Caught signal %d, cleaning up\n", sig);
- exit(0);
-}
-
-static void removeArgs(int *argcp, char **argv, int num)
-{
- int i;
- for (i = 0; argv[i+num]; i++)
- argv[i] = argv[i+num];
-
- argv[i] = NULL;
- *argcp -= num;
-}
-
-#define REQPARAM(PARAM) \
- if (i >= *argcp - 1) { \
- fprintf(stderr, PARAM" requires a parameter\n"); \
- exit(0); \
- }
-
-void glutInit (int *argcp, char **argv)
-{
- int i, nomouse = 0, nokeyboard = 0, usestdin = 0;
- int RequiredWidth = 0, RequiredHeight;
- char *fbdev;
-
- stack_t stack;
- struct sigaction sa;
-
- /* parse out args */
- for (i = 1; i < *argcp;) {
- if (!strcmp(argv[i], "-geometry")) {
- REQPARAM("geometry");
- if(sscanf(argv[i+1], "%dx%d", &RequiredWidth,
- &RequiredHeight) != 2) {
- fprintf(stderr,"Please specify geometry as widthxheight\n");
- exit(0);
- }
- removeArgs(argcp, &argv[i], 2);
- } else
- if (!strcmp(argv[i], "-bpp")) {
- REQPARAM("bpp");
- if(sscanf(argv[i+1], "%d", &DesiredDepth) != 1) {
- fprintf(stderr, "Please specify a parameter for bpp\n");
- exit(0);
- }
- removeArgs(argcp, &argv[i], 2);
- } else
- if (!strcmp(argv[i], "-vt")) {
- REQPARAM("vt");
- if(sscanf(argv[i+1], "%d", &CurrentVT) != 1) {
- fprintf(stderr, "Please specify a parameter for vt\n");
- exit(0);
- }
- removeArgs(argcp, &argv[i], 2);
- } else
- if (!strcmp(argv[i], "-mousespeed")) {
- REQPARAM("mousespeed");
- if(sscanf(argv[i+1], "%lf", &MouseSpeed) != 1) {
- fprintf(stderr, "Please specify a mouse speed, eg: 2.5\n");
- exit(0);
- }
- removeArgs(argcp, &argv[i], 2);
- } else
- if (!strcmp(argv[i], "-nomouse")) {
- nomouse = 1;
- removeArgs(argcp, &argv[i], 1);
- } else
- if (!strcmp(argv[i], "-nokeyboard")) {
- nokeyboard = 1;
- removeArgs(argcp, &argv[i], 1);
- } else
- if (!strcmp(argv[i], "-stdin")) {
- usestdin = 1;
- removeArgs(argcp, &argv[i], 1);
- } else
- if (!strcmp(argv[i], "-gpmmouse")) {
-#ifdef HAVE_GPM
- GpmMouse = 1;
-#else
- fprintf(stderr, "gpm support not compiled\n");
- exit(0);
-#endif
- removeArgs(argcp, &argv[i], 1);
- } else
- if (!strcmp(argv[i], "--")) {
- removeArgs(argcp, &argv[i], 1);
- break;
- } else
- i++;
- }
-
- gettimeofday(&StartTime, 0);
- atexit(Cleanup);
-
- /* set up SIGSEGV to use alternate stack */
- stack.ss_flags = 0;
- stack.ss_size = SIGSTKSZ;
- if(!(stack.ss_sp = malloc(SIGSTKSZ)))
- sprintf(exiterror, "Failed to allocate alternate stack for SIGSEGV!\n");
-
- sigaltstack(&stack, NULL);
-
- sa.sa_handler = CrashHandler;
- sa.sa_flags = SA_ONSTACK;
- sigemptyset(&sa.sa_mask);
- sigaction(SIGSEGV, &sa, NULL);
-
- signal(SIGINT, CrashHandler);
- signal(SIGTERM, CrashHandler);
- signal(SIGABRT, CrashHandler);
-
- if(nomouse == 0)
- InitializeMouse();
- if(nokeyboard == 0)
- InitializeVT(usestdin);
-
- fbdev = getenv("FRAMEBUFFER");
- if(fbdev) {
-#ifdef MULTIHEAD
- if(!sscanf(fbdev, "/dev/fb%d", &FramebufferIndex))
- if(!sscanf(fbdev, "/dev/fb/%d", &FramebufferIndex))
- sprintf(exiterror, "Could not determine Framebuffer index!\n");
-#endif
- } else {
- static char fb[128];
- struct fb_con2fbmap confb;
- int fd = open("/dev/fb0", O_RDWR);
-
- FramebufferIndex = 0;
-
- confb.console = CurrentVT;
- if(ioctl(fd, FBIOGET_CON2FBMAP, &confb) != -1)
- FramebufferIndex = confb.framebuffer;
- sprintf(fb, "/dev/fb%d", FramebufferIndex);
- fbdev = fb;
- close(fd);
- }
-
- /* open the framebuffer device */
- FrameBufferFD = open(fbdev, O_RDWR);
- if (FrameBufferFD < 0) {
- sprintf(exiterror, "Error opening %s: %s\n", fbdev, strerror(errno));
- exit(0);
- }
-
- /* get the fixed screen info */
- if (ioctl(FrameBufferFD, FBIOGET_FSCREENINFO, &FixedInfo)) {
- sprintf(exiterror, "error: ioctl(FBIOGET_FSCREENINFO) failed: %s\n",
- strerror(errno));
- exit(0);
- }
-
- /* get the variable screen info */
- if (ioctl(FrameBufferFD, FBIOGET_VSCREENINFO, &OrigVarInfo)) {
- sprintf(exiterror, "error: ioctl(FBIOGET_VSCREENINFO) failed: %s\n",
- strerror(errno));
- exit(0);
- }
-
- /* operate on a copy */
- VarInfo = OrigVarInfo;
-
- /* set the depth, resolution, etc */
- if(RequiredWidth)
- if(!ParseFBModes(RequiredWidth, RequiredWidth, RequiredHeight,
- RequiredHeight, 0, MAX_VSYNC)) {
- sprintf(exiterror, "No mode (%dx%d) found in "FBMODES"\n",
- RequiredWidth, RequiredHeight);
- exit(0);
- }
-
- Initialized = 1;
-}
-
-void glutInitDisplayMode (unsigned int mode)
-{
- DisplayMode = mode;
-}
-
-static const char *GetStrVal(const char *p, int *set, int min, int max)
-{
- char *endptr;
- int comp = *p, val;
-
- if(p[1] == '=')
- p++;
-
- if(*p == '\0')
- return p;
-
- val = strtol(p+1, &endptr, 10);
-
- if(endptr == p+1)
- return p;
-
- switch(comp) {
- case '!':
- if(val == min)
- val = max;
- else
- val = min;
- break;
- case '<':
- val = min;
- break;
- case '>':
- val = max;
- break;
- }
-
- if(val < min || val > max) {
- sprintf(exiterror, "display string value out of range\n");
- exit(0);
- }
-
- *set = val;
-
- return endptr;
-}
-
-static void SetAttrib(int val, int attr)
-{
- if(val)
- DisplayMode |= attr;
- else
- DisplayMode &= ~attr;
-}
-
-void glutInitDisplayString(const char *string)
-{
- const char *p = string;
- int val;
- while(*p) {
- if(*p == ' ')
- p++;
- else
- if(memcmp(p, "acca", 4) == 0) {
- p = GetStrVal(p+4, &AccumSize, 1, 32);
- SetAttrib(AccumSize, GLUT_ACCUM);
- } else
- if(memcmp(p, "acc", 3) == 0) {
- p = GetStrVal(p+3, &AccumSize, 1, 32);
- SetAttrib(AccumSize, GLUT_ACCUM);
- } else
- if(memcmp(p, "depth", 5) == 0) {
- p = GetStrVal(p+5, &DepthSize, 12, 32);
- SetAttrib(DepthSize, GLUT_DEPTH);
- } else
- if(memcmp(p, "double", 6) == 0) {
- val = 1;
- p = GetStrVal(p+6, &val, 0, 1);
- SetAttrib(val, GLUT_DOUBLE);
- } else
- if(memcmp(p, "index", 5) == 0) {
- val = 1;
- p = GetStrVal(p+5, &val, 0, 1);
- SetAttrib(val, GLUT_INDEX);
- } else
- if(memcmp(p, "stencil", 7) == 0) {
- p = GetStrVal(p+7, &StencilSize, 0, 1);
- SetAttrib(StencilSize, GLUT_STENCIL);
- } else
- if(memcmp(p, "samples", 7) == 0) {
- NumSamples = 1;
- p = GetStrVal(p+7, &NumSamples, 0, 16);
- SetAttrib(NumSamples, GLUT_MULTISAMPLE);
- } else
- if(p = strchr(p, ' '))
- p++;
- else
- break;
- }
-}
-
-void glutInitWindowPosition (int x, int y)
-{
-}
-
-void glutInitWindowSize (int width, int height)
-{
-}
-
-static void ProcessTimers(void)
-{
- while(GlutTimers && GlutTimers->time <= glutGet(GLUT_ELAPSED_TIME)) {
- struct GlutTimer *timer = GlutTimers;
- GlutTimers = timer->next;
- timer->func(timer->value);
- free(timer);
- }
-}
-
-void glutMainLoop(void)
-{
- int idleiters;
-
- if(ReshapeFunc)
- ReshapeFunc(VarInfo.xres, VarInfo.yres);
-
- if(!DisplayFunc) {
- sprintf(exiterror, "Fatal Error: No Display Function registered\n");
- exit(0);
- }
-
- for(;;) {
- ProcessTimers();
-
- if(Active)
- ReceiveInput();
- else
- if(VisiblePoll)
- TestVisible();
-
- if(IdleFunc)
- IdleFunc();
-
- if(VisibleSwitch) {
- VisibleSwitch = 0;
- if(VisibilityFunc)
- VisibilityFunc(Visible ? GLUT_VISIBLE : GLUT_NOT_VISIBLE);
- }
-
- if(Resized) {
- SetVideoMode();
- CreateBuffer();
-
- if(!glFBDevMakeCurrent( Context, Buffer, Buffer )) {
- sprintf(exiterror, "Failure to Make Current\n");
- exit(0);
- }
-
- InitializeMenus();
-
- if(ReshapeFunc)
- ReshapeFunc(VarInfo.xres, VarInfo.yres);
-
- Redisplay = 1;
- Resized = 0;
- }
-
- if(Visible && Redisplay) {
- Redisplay = 0;
- EraseCursor();
- DisplayFunc();
- if(!(DisplayMode & GLUT_DOUBLE)) {
- if(ActiveMenu)
- DrawMenus();
- DrawCursor();
- }
- idleiters = 0;
- } else {
- /* we sleep if not receiving redisplays, and
- the main loop is running faster than 2khz */
-
- static int lasttime;
- int time = glutGet(GLUT_ELAPSED_TIME);
- if(time > lasttime) {
- if(idleiters >= 2)
- usleep(100);
-
- idleiters = 0;
- lasttime = time;
- }
- idleiters++;
- }
- }
-}
-
-int ParseFBModes(int minw, int maxw, int minh, int maxh, int minf, int maxf)
-{
- char buf[1024];
- struct fb_var_screeninfo vi = VarInfo;
-
- FILE *fbmodes = fopen(FBMODES, "r");
-
- if(!fbmodes) {
- sprintf(exiterror, "Warning: could not open "FBMODES"\n");
- return 0;
- }
-
- while(fgets(buf, sizeof buf, fbmodes)) {
- char *c;
- int v, bpp, freq;
-
- if(!(c = strstr(buf, "geometry")))
- continue;
- v = sscanf(c, "geometry %d %d %d %d %d", &vi.xres, &vi.yres,
- &vi.xres_virtual, &vi.yres_virtual, &bpp);
- if(v != 5)
- continue;
-
- if(maxw < minw) {
- if(maxw < vi.xres && minw > vi.xres)
- continue;
- } else
- if(maxw < vi.xres || minw > vi.xres)
- continue;
-
- if(maxh < minh) {
- if(maxh < vi.yres && minh > vi.yres)
- continue;
- } else
- if(maxh < vi.yres || minh > vi.yres)
- continue;
-
- fgets(buf, sizeof buf, fbmodes);
- if(!(c = strstr(buf, "timings")))
- continue;
-
- v = sscanf(c, "timings %d %d %d %d %d %d %d", &vi.pixclock,
- &vi.left_margin, &vi.right_margin, &vi.upper_margin,
- &vi.lower_margin, &vi.hsync_len, &vi.vsync_len);
-
- if(v != 7)
- continue;
-
- freq = 1E12/vi.pixclock
- /(vi.left_margin + vi.xres + vi.right_margin + vi.hsync_len)
- /(vi.upper_margin + vi.yres + vi.lower_margin + vi.vsync_len);
-
- if(maxf < minf) {
- if(maxf < freq && minf > freq)
- continue;
- } else
- if(maxf < freq || minf > freq)
- continue;
-
- VarInfo = vi;
- fclose(fbmodes);
- return 1;
- }
-
- fclose(fbmodes);
-
- return 0;
-}
-
-void SetVideoMode(void)
-{
- /* set new variable screen info */
- if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo)) {
- sprintf(exiterror, "FBIOPUT_VSCREENINFO failed: %s\n", strerror(errno));
- strcat(exiterror, "Perhaps the device does not support the selected mode\n");
- exit(0);
- }
-
- /* reload the screen info to update rgb bits */
- if (ioctl(FrameBufferFD, FBIOGET_VSCREENINFO, &VarInfo)) {
- sprintf(exiterror, "error: ioctl(FBIOGET_VSCREENINFO) failed: %s\n",
- strerror(errno));
- exit(0);
- }
-
- /* reload the fixed info to update color mode */
- if (ioctl(FrameBufferFD, FBIOGET_FSCREENINFO, &FixedInfo)) {
- sprintf(exiterror, "error: ioctl(FBIOGET_FSCREENINFO) failed: %s\n",
- strerror(errno));
- exit(0);
- }
-
- if (DesiredDepth && DesiredDepth != VarInfo.bits_per_pixel) {
- sprintf(exiterror, "error: Could not set set %d bpp\n", DesiredDepth);
- exit(0);
- }
-
- if(DisplayMode & GLUT_INDEX && FixedInfo.visual == FB_VISUAL_DIRECTCOLOR) {
- sprintf(exiterror, "error: Could not set 8 bit color mode\n");
- exit(0);
- }
-
- /* initialize colormap */
- LoadColorMap();
-}
-
-void CreateBuffer(void)
-{
- int size = VarInfo.xres_virtual * VarInfo.yres_virtual
- * VarInfo.bits_per_pixel / 8;
-
- /* mmap the framebuffer into our address space */
- if(FrameBuffer)
- munmap(FrameBuffer, FixedInfo.smem_len);
- FrameBuffer = mmap(0, FixedInfo.smem_len, PROT_READ | PROT_WRITE,
- MAP_SHARED, FrameBufferFD, 0);
- if (FrameBuffer == MAP_FAILED) {
- sprintf(exiterror, "error: unable to mmap framebuffer: %s\n",
- strerror(errno));
- exit(0);
- }
-
- if(DisplayMode & GLUT_DOUBLE) {
- free(BackBuffer);
- if(!(BackBuffer = malloc(size))) {
- sprintf(exiterror, "Failed to allocate double buffer\n");
- exit(0);
- }
- } else
- BackBuffer = FrameBuffer;
-
- if(Buffer)
- glFBDevDestroyBuffer(Buffer);
-
- if(!(Buffer = glFBDevCreateBuffer( &FixedInfo, &VarInfo, Visual,
- FrameBuffer, BackBuffer, size))) {
- sprintf(exiterror, "Failure to create Buffer\n");
- exit(0);
- }
-}
-
-void CreateVisual(void)
-{
- int i, mask = DisplayMode;
- int attribs[20];
- for(i=0; i<sizeof(attribs)/sizeof(*attribs) && mask; i++) {
- if(mask & GLUT_DOUBLE) {
- attribs[i] = GLFBDEV_DOUBLE_BUFFER;
- mask &= ~GLUT_DOUBLE;
- continue;
- }
-
- if(mask & GLUT_INDEX) {
- attribs[i] = GLFBDEV_COLOR_INDEX;
- mask &= ~GLUT_INDEX;
- continue;
- }
-
- if(mask & GLUT_DEPTH) {
- attribs[i] = GLFBDEV_DEPTH_SIZE;
- attribs[++i] = DepthSize;
- mask &= ~GLUT_DEPTH;
- continue;
- }
-
- if(mask & GLUT_STENCIL) {
- attribs[i] = GLFBDEV_STENCIL_SIZE;
- attribs[++i] = StencilSize;
- mask &= ~GLUT_STENCIL;
- continue;
- }
-
- if(mask & GLUT_ACCUM) {
- attribs[i] = GLFBDEV_ACCUM_SIZE;
- attribs[++i] = AccumSize;
- mask &= ~GLUT_ACCUM;
- continue;
- }
-
- if(mask & GLUT_ALPHA)
- if(!(DisplayMode & GLUT_INDEX)) {
- mask &= ~GLUT_ALPHA;
- i--;
- continue;
- }
-
- if(mask & GLUT_MULTISAMPLE) {
- attribs[i] = GLFBDEV_MULTISAMPLE;
- attribs[++i] = NumSamples;
- mask &= ~GLUT_MULTISAMPLE;
- continue;
- }
-
- sprintf(exiterror, "Invalid mode from glutInitDisplayMode\n");
- exit(0);
- }
-
- attribs[i] = GLFBDEV_NONE;
-
- if(!(Visual = glFBDevCreateVisual( &FixedInfo, &VarInfo, attribs ))) {
- sprintf(exiterror, "Failure to create Visual\n");
- exit(0);
- }
-}
-
-static void SignalWinch(int arg)
-{
- /* we can't change bitdepth without destroying the visual */
- int bits_per_pixel = VarInfo.bits_per_pixel;
- struct fb_bitfield red = VarInfo.red, green = VarInfo.green,
- blue = VarInfo.blue, transp = VarInfo.transp;
-
- /* get the variable screen info */
- if (ioctl(FrameBufferFD, FBIOGET_VSCREENINFO, &VarInfo)) {
- sprintf(exiterror, "error: ioctl(FBIOGET_VSCREENINFO) failed: %s\n",
- strerror(errno));
- exit(0);
- }
-
- /* restore bitdepth and color masks only */
- VarInfo.bits_per_pixel = bits_per_pixel;
- VarInfo.red = red;
- VarInfo.green = green;
- VarInfo.blue = blue;
- VarInfo.transp = transp;
-
- Resized = 1;
-}
-
-int glutCreateWindow (const char *title)
-{
- if(Initialized == 0) {
- int argc = 0;
- char *argv[] = {NULL};
- glutInit(&argc, argv);
- }
-
- if(Context)
- return 0;
-
- if(DisplayMode & GLUT_INDEX)
- VarInfo.bits_per_pixel = 8;
- else
- if(VarInfo.bits_per_pixel == 8)
- VarInfo.bits_per_pixel = 32;
-
- if (DesiredDepth)
- VarInfo.bits_per_pixel = DesiredDepth;
-
- VarInfo.xoffset = 0;
- VarInfo.yoffset = 0;
- VarInfo.nonstd = 0;
- VarInfo.vmode &= ~FB_VMODE_YWRAP; /* turn off scrolling */
-
- SetVideoMode();
- CreateVisual();
- CreateBuffer();
-
- if(!(Context = glFBDevCreateContext(Visual, NULL))) {
- sprintf(exiterror, "Failure to create Context\n");
- exit(0);
- }
-
- if(!glFBDevMakeCurrent( Context, Buffer, Buffer )) {
- sprintf(exiterror, "Failure to Make Current\n");
- exit(0);
- }
-
- InitializeCursor();
- InitializeMenus();
-
- glutSetWindowTitle(title);
-
- signal(SIGWINCH, SignalWinch);
-
- Visible = 1;
- VisibleSwitch = 1;
- Redisplay = 1;
- return 1;
-}
-
-int glutCreateSubWindow(int win, int x, int y, int width, int height)
-{
- return 0;
-}
-
-void glutSetWindow(int win)
-{
-}
-
-int glutGetWindow(void)
-{
- return 1;
-}
-
-void glutDestroyWindow(int win)
-{
- glFBDevMakeCurrent( NULL, NULL, NULL);
- glFBDevDestroyContext(Context);
- glFBDevDestroyBuffer(Buffer);
- glFBDevDestroyVisual(Visual);
-
- Visual = NULL;
-}
-
-void glutPostRedisplay(void)
-{
- Redisplay = 1;
-}
-
-void glutPostWindowRedisplay(int win)
-{
- Redisplay = 1;
-}
-
-void glutSwapBuffers(void)
-{
- glFlush();
-
- if(!(DisplayMode & GLUT_DOUBLE))
- return;
-
- if(ActiveMenu)
- DrawMenus();
- DrawCursor();
-
- if(Visible) {
- Swapping = 1;
- glFBDevSwapBuffers(Buffer);
- Swapping = 0;
- }
-
- /* if there was a vt switch while swapping, switch now */
- if(VTSwitch) {
- if(ioctl(ConsoleFD, VT_ACTIVATE, VTSwitch) < 0)
- sprintf(exiterror, "Error switching console\n");
- VTSwitch = 0;
- }
-}
-
-void glutPositionWindow(int x, int y)
-{
-}
-
-void glutReshapeWindow(int width, int height)
-{
- if(GameMode)
- return;
-
- if(!ParseFBModes(width, width, height, height, 0, MAX_VSYNC))
- return;
-
- signal(SIGWINCH, SIG_IGN);
-
- SetVideoMode();
- signal(SIGWINCH, SignalWinch);
- Resized = 1;
-}
-
-void glutFullScreen(void)
-{
-}
-
-void glutPopWindow(void)
-{
-}
-
-void glutPushWindow(void)
-{
-}
-
-void glutShowWindow(void)
-{
- Visible = 1;
-}
-
-void glutHideWindow(void)
-{
- Visible = 0;
-}
-
-static void UnIconifyWindow(int sig)
-{
- if(ConsoleFD == 0)
- InitializeVT(1);
- else
- if(ConsoleFD > 0)
- InitializeVT(0);
- if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo)) {
- sprintf(exiterror, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
- strerror(errno));
- exit(0);
- }
-
- RestoreColorMap();
-
- Redisplay = 1;
- VisibleSwitch = 1;
- Visible = 1;
-}
-
-void glutIconifyWindow(void)
-{
- RestoreVT();
- signal(SIGCONT, UnIconifyWindow);
- if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &OrigVarInfo))
- fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
- strerror(errno));
-
- raise(SIGSTOP);
-}
-
-void glutSetWindowTitle(const char *name)
-{
- /* escape code to set title in screen */
- if(getenv("TERM") && memcmp(getenv("TERM"), "screen", 6) == 0)
- printf("\033k%s\033\\", name);
-}
-
-void glutSetIconTitle(const char *name)
-{
-}