diff options
Diffstat (limited to 'src/glut/fbdev/fbdev.c')
| -rw-r--r-- | src/glut/fbdev/fbdev.c | 940 |
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 80237f5..0000000 --- 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) -{ -} |