+++ /dev/null
-/*
- * 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 <assert.h>
-#include <errno.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <termios.h>
-#include <inttypes.h>
-
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/poll.h>
-#include <sys/types.h>
-#include <sys/kd.h>
-
-#include <linux/fb.h>
-#include <linux/keyboard.h>
-#include <linux/vt.h>
-
-#include <GL/gl.h>
-#include <GL/glfbdev.h>
-#include <GL/glut.h>
-
-#include <math.h>
-
-#include "../../mesa/main/config.h"
-
-#define MULTIHEAD /* enable multihead hacks,
- it allows the program to continue drawing
- without reading input when a second fbdev
- has keyboard focus it can cause
- screen corruption that requires C-l to fix */
-
-#define FBMODES "/etc/fb.modes"
-
-#define HAVE_GPM
-
-#ifdef HAVE_GPM
-#include <gpm.h>
-static int GpmMouse;
-#endif
-
-#define MOUSEDEV "/dev/gpmdata"
-
-static int CurrentVT;
-static int ConsoleFD = - 1;
-
-/* save settings to restore on exit */
-static int OldKDMode = -1;
-static int OldMode;
-struct vt_mode OldVTMode;
-struct termios OldTermios;
-
-static struct fb_fix_screeninfo FixedInfo;
-static struct fb_var_screeninfo VarInfo, OrigVarInfo;
-struct fb_cmap ColorMap;
-
-static int DesiredDepth = 0;
-
-static int FrameBufferFD = -1;
-static caddr_t FrameBuffer = (caddr_t) -1;
-static caddr_t BackBuffer = NULL;
-static int DisplayMode;
-
-static int AccumSize = 16; /* per channel size of accumulation buffer */
-static int DepthSize = DEFAULT_SOFTWARE_DEPTH_BITS;
-static int StencilSize = STENCIL_BITS;
-
-#define MENU_FONT_WIDTH 9
-#define MENU_FONT_HEIGHT 15
-#define MENU_FONT GLUT_BITMAP_9_BY_15
-#define SUBMENU_OFFSET 20
-
-static int AttachedMenus[3];
-static int ActiveMenu;
-static int SelectedMenu;
-static int CurrentMenu;
-static int NumMenus = 1;
-
-static struct {
- int NumItems;
- int x, y;
- int width;
- int selected;
- struct {
- int value;
- int submenu;
- char *name;
- } *Items;
- void (*func)(int);
-} *Menus = NULL;
-
-struct GlutTimer {
- int time;
- void (*func)(int);
- int value;
- struct GlutTimer *next;
-};
-
-struct GlutTimer *GlutTimers = NULL;
-
-static struct timeval StartTime;
-
-static int KeyboardModifiers;
-static int KeyboardLedState;
-
-static int MouseFD;
-static int NumMouseButtons;
-static int MouseX;
-static int MouseY;
-static double MouseSpeed = 0;
-static int CurrentCursor = GLUT_CURSOR_LEFT_ARROW;
-/* only display the mouse if there is a registered callback for it */
-static int MouseEnabled = 0;
-
-/* per window data */
-static GLFBDevContextPtr Context;
-static GLFBDevBufferPtr Buffer;
-static GLFBDevVisualPtr Visual;
-static void (*DisplayFunc)(void) = NULL;
-static void (*ReshapeFunc)(int width, int height) = NULL;
-static void (*KeyboardFunc)(unsigned char key, int x, int y) = NULL;
-static void (*MouseFunc)(int key, int state, int x, int y) = NULL;
-static void (*MotionFunc)(int x, int y) = NULL;
-static void (*PassiveMotionFunc)(int x, int y) = NULL;
-static void (*VisibilityFunc)(int state) = NULL;
-static void (*SpecialFunc)(int key, int x, int y) = NULL;
-static void (*IdleFunc)(void) = NULL;
-static void (*MenuStatusFunc)(int state, int x, int y) = NULL;
-static void (*MenuStateFunc)(int state) = NULL;
-
-static int Redisplay;
-static int Visible;
-static int VisibleSwitch;
-static int Active;
-/* we have to poll to see if we are visible
- on a framebuffer that is not active */
-static int VisiblePoll;
-static int FramebufferIndex;
-
-static int RequiredWidth;
-static int RequiredHeight;
-static int InitialWidthHint;
-static int InitialHeightHint;
-
-static char exiterror[256];
-
-/* --------- Initialization ------------*/
-/* test if the active console is attached to the same framebuffer */
-static 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 VTSwitchHandler(int sig)
-{
- struct vt_stat st;
- switch(sig) {
- case SIGUSR1:
- ioctl(ConsoleFD, VT_RELDISP, 1);
- Active = 0;
-#ifdef MULTIHEAD
- VisiblePoll = 1;
- TestVisible();
-#else
- VisibleSwitch = 1;
- Visible = 0;
-#endif
- break;
- case SIGUSR2:
- ioctl(ConsoleFD, VT_GETSTATE, &st);
- if(st.v_active)
- ioctl(ConsoleFD, VT_RELDISP, VT_ACKACQ);
-
- /* this is a hack to turn the cursor off */
- ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo);
-
- /* restore color map */
- if(DisplayMode & GLUT_INDEX) {
- ColorMap.start = 0;
- ColorMap.len = 256;
-
- if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &ColorMap) < 0)
- fprintf(stderr, "ioctl(FBIOPUTCMAP) failed!\n");
- }
-
- Active = 1;
- Visible = 1;
- VisibleSwitch = 1;
-
- Redisplay = 1;
-
- break;
- }
-}
-
-static void Cleanup(void)
-{
- if(ConsoleFD >= 0)
- if (tcsetattr(0, TCSANOW, &OldTermios) < 0)
- fprintf(stderr, "tcsetattr failed\n");
-
- if(ConsoleFD > 0) {
- /* restore keyboard state */
- if (ioctl(ConsoleFD, VT_SETMODE, &OldVTMode) < 0)
- fprintf(stderr, "Failed to set vtmode\n");
-
- if (ioctl(ConsoleFD, KDSKBMODE, OldKDMode) < 0)
- fprintf(stderr, "ioctl KDSKBMODE failed!\n");
-
- if(ioctl(ConsoleFD, KDSETMODE, OldMode) < 0)
- fprintf(stderr, "ioctl KDSETMODE failed!\n");
-
- close(ConsoleFD);
- }
-
- /* close mouse */
-#ifdef HAVE_GPM
- if(GpmMouse) {
- if(NumMouseButtons)
- Gpm_Close();
- } else
-#endif
- if(MouseFD >= 0)
- close(MouseFD);
-
- glFBDevMakeCurrent( NULL, NULL, NULL);
-
- glFBDevDestroyContext(Context);
- glFBDevDestroyBuffer(Buffer);
- glFBDevDestroyVisual(Visual);
-
- struct vt_mode VT;
-
- /* restore original variable screen info */
- if(FrameBufferFD != -1) {
- if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &OrigVarInfo))
- fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
- strerror(errno));
-
- munmap(FrameBuffer, FixedInfo.smem_len);
- close(FrameBufferFD);
- }
-
- /* free allocated back buffer */
- if(DisplayMode & GLUT_DOUBLE)
- free(BackBuffer);
-
- /* free menu items */
- int i, j;
-
- for(i = 1; i<NumMenus; i++) {
- for(i = 1; i<Menus[i].NumItems; i++)
- free(Menus[i].Items[j].name);
- free(Menus[i].Items);
- }
- free(Menus);
-
- 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 InitializeVT(int usestdin)
-{
- /* terminos settings for straight-through mode */
- if (tcgetattr(0, &OldTermios) < 0) {
- sprintf(exiterror, "tcgetattr failed\n");
- exit(0);
- }
-
- struct termios tio = OldTermios;
-
- tio.c_lflag &= ~(ICANON | ECHO | ISIG);
- tio.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
- tio.c_iflag |= IGNBRK;
- tio.c_cc[VMIN] = 0;
- tio.c_cc[VTIME] = 0;
-
- if (tcsetattr(0, TCSANOW, &tio) < 0) {
- sprintf(exiterror, "tcsetattr failed\n");
- exit(0);
- }
-
- if(fcntl(0, F_SETFL, O_NONBLOCK) < 0) {
- sprintf(exiterror, "Failed to set keyboard to non-blocking\n");
- exit(0);
- }
-
- Active = 1;
-
- if(usestdin) {
- ConsoleFD = 0;
- return;
- }
-
- /* detect the current vt if it was not specified */
- if(CurrentVT == 0) {
- int fd = open("/dev/tty", O_RDWR | O_NDELAY, 0);
- struct vt_stat st;
- if(fd == -1) {
- sprintf(exiterror, "Failed to open /dev/tty\n");
- exit(0);
- }
- if(ioctl(fd, VT_GETSTATE, &st) == -1) {
- fprintf(stderr, "Could not detect current vt, specify with -vt\n");
- fprintf(stderr, "Defaulting to stdin input\n");
- ConsoleFD = 0;
- close(fd);
- return;
- } else
- CurrentVT = st.v_active;
-
- close(fd);
- }
-
- /* open the console tty */
- char console[128];
- sprintf(console, "/dev/tty%d", CurrentVT);
- ConsoleFD = open(console, O_RDWR | O_NDELAY, 0);
- if (ConsoleFD < 0) {
- sprintf(exiterror, "error couldn't open %s,"
- " defaulting to stdin \n", console);
- ConsoleFD = 0;
- return;
- }
-
- signal(SIGUSR1, VTSwitchHandler);
- signal(SIGUSR2, VTSwitchHandler);
-
- struct vt_mode vt;
-
- if (ioctl(ConsoleFD, VT_GETMODE, &OldVTMode) < 0) {
- sprintf(exiterror,"Failed to grab %s, defaulting to stdin\n", console);
- close(ConsoleFD);
- ConsoleFD = 0;
- return;
- }
-
- vt = OldVTMode;
-
- vt.mode = VT_PROCESS;
- vt.waitv = 0;
- vt.relsig = SIGUSR1;
- vt.acqsig = SIGUSR2;
- if (ioctl(ConsoleFD, VT_SETMODE, &vt) < 0) {
- sprintf(exiterror, "error: ioctl(VT_SETMODE) failed: %s\n",
- strerror(errno));
- close(ConsoleFD);
- ConsoleFD = 0;
- exit(1);
- }
-
- if (ioctl(ConsoleFD, KDGKBMODE, &OldKDMode) < 0) {
- fprintf(stderr, "warning: ioctl KDGKBMODE failed!\n");
- OldKDMode = K_XLATE;
- }
-
- if(ioctl(ConsoleFD, KDGETMODE, &OldMode) < 0)
- sprintf(exiterror, "Warning: Failed to get terminal mode\n");
-
-#ifdef HAVE_GPM
- if(!GpmMouse)
-#endif
- if(ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0)
- sprintf(exiterror,"Warning: Failed to set terminal to graphics\n");
-
-
- if (ioctl(ConsoleFD, KDSKBMODE, K_MEDIUMRAW) < 0) {
- sprintf(exiterror, "ioctl KDSKBMODE failed!\n");
- tcsetattr(0, TCSANOW, &OldTermios);
- exit(0);
- }
-
- if( ioctl(ConsoleFD, KDGKBLED, &KeyboardLedState) < 0) {
- sprintf(exiterror, "ioctl KDGKBLED failed!\n");
- exit(0);
- }
-}
-
-static void InitializeMouse(void)
-{
-#ifdef HAVE_GPM
- if(GpmMouse) {
- Gpm_Connect conn;
- int c;
- conn.eventMask = ~0; /* Want to know about all the events */
- conn.defaultMask = 0; /* don't handle anything by default */
- conn.minMod = 0; /* want everything */
- conn.maxMod = ~0; /* all modifiers included */
- if(Gpm_Open(&conn, 0) == -1) {
- fprintf(stderr, "Cannot open gpmctl. Continuing without Mouse\n");
- return;
- }
-
- if(!MouseSpeed)
- MouseSpeed = 5;
- } else
-#endif
- {
- const char *mousedev = getenv("MOUSE");
- if(!mousedev)
- mousedev = MOUSEDEV;
- if((MouseFD = open(mousedev, O_RDONLY)) < 0) {
- fprintf(stderr,"Cannot open %s.\n"
- "Continuing without Mouse\n", MOUSEDEV);
- return;
- }
-
- if(!MouseSpeed)
- MouseSpeed = 1;
- }
-
- NumMouseButtons = 3;
-}
-
-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;
- int nomouse = 0;
- int nokeyboard = 0;
- int usestdin = 0;
-
- /* 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 was 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);
-
- signal(SIGSEGV, CrashHandler);
- signal(SIGINT, CrashHandler);
- signal(SIGTERM, CrashHandler);
-
- if(nomouse == 0)
- InitializeMouse();
- if(nokeyboard == 0)
- InitializeVT(usestdin);
-}
-
-void glutInitDisplayMode (unsigned int mode)
-{
- DisplayMode = mode;
-}
-
-void glutInitWindowPosition (int x, int y)
-{
-}
-
-void glutInitWindowSize (int width, int height)
-{
- InitialWidthHint = width;
- InitialHeightHint = height;
-}
-
-/* --------- Mouse Rendering ------------*/
-#include "cursors.h"
-static int LastMouseX;
-static int LastMouseY;
-static unsigned char *MouseBuffer;
-
-static void EraseCursor(void)
-{
- int off = LastMouseY * FixedInfo.line_length
- + LastMouseX * VarInfo.bits_per_pixel / 8;
- int stride = CURSOR_WIDTH * VarInfo.bits_per_pixel / 8;
- int i;
-
- unsigned char *src = MouseBuffer;
-
- for(i = 0; i<CURSOR_HEIGHT; i++) {
- memcpy(BackBuffer + off, src, stride);
- src += stride;
- off += FixedInfo.line_length;
- }
-}
-
-static void SaveCursor(int x, int y)
-{
- if(x < 0)
- LastMouseX = 0;
- else
- if(x > (int)VarInfo.xres - CURSOR_WIDTH)
- LastMouseX = VarInfo.xres - CURSOR_WIDTH;
- else
- LastMouseX = x;
-
- if(y < 0)
- LastMouseY = 0;
- else
- if(y > (int)VarInfo.yres - CURSOR_HEIGHT)
- LastMouseY = VarInfo.yres - CURSOR_HEIGHT;
- else
- LastMouseY = y;
-
- int off = LastMouseY * FixedInfo.line_length
- + LastMouseX * VarInfo.bits_per_pixel / 8;
- int stride = CURSOR_WIDTH * VarInfo.bits_per_pixel / 8;
- int i;
- unsigned char *src = MouseBuffer;
- for(i = 0; i<CURSOR_HEIGHT; i++) {
- memcpy(src, BackBuffer + off, stride);
- src += stride;
- off += FixedInfo.line_length;
- }
-}
-
-static void DrawCursor(void)
-{
- if(CurrentCursor < 0 || CurrentCursor >= NUM_CURSORS)
- return;
-
- int px = MouseX - CursorsXOffset[CurrentCursor];
- int py = MouseY - CursorsYOffset[CurrentCursor];
-
- SaveCursor(px, py);
-
- int xoff = 0;
- if(px < 0)
- xoff = -px;
-
- int xlen = CURSOR_WIDTH;
- if(px + CURSOR_WIDTH > VarInfo.xres)
- xlen = VarInfo.xres - px;
-
- int yoff = 0;
- if(py < 0)
- yoff = -py;
-
- int ylen = CURSOR_HEIGHT;
- if(py + CURSOR_HEIGHT > VarInfo.yres)
- ylen = VarInfo.yres - py;
-
- int bypp = VarInfo.bits_per_pixel / 8;
-
- unsigned char *c = BackBuffer + FixedInfo.line_length * (py + yoff)
- + (px + xoff) * bypp;
-
- unsigned char *d = Cursors[CurrentCursor] + (CURSOR_WIDTH * yoff + xoff)*4;
- int i, j;
-
- int dstride = (CURSOR_WIDTH - xlen + xoff) * 4;
- int cstride = FixedInfo.line_length - bypp * (xlen - xoff);
-
- switch(bypp) {
- case 1: /* no support for 8bpp mouse yet */
- break;
- case 2:
- {
- uint16_t *e = (void*)c;
- cstride /= 2;
- for(i = yoff; i < ylen; i++) {
- for(j = xoff; j < xlen; j++) {
- e[0] = ((((d[0] + (((int)(((e[0] >> 8) & 0xf8)
- | ((c[0] >> 11) & 0x7)) * d[3]) >> 8)) & 0xf8) << 8)
- | (((d[1] + (((int)(((e[0] >> 3) & 0xfc)
- | ((e[0] >> 5) & 0x3)) * d[3]) >> 8)) & 0xfc) << 3)
- | ((d[2] + (((int)(((e[0] << 3) & 0xf8)
- | (e[0] & 0x7)) * d[3]) >> 8)) >> 3));
-
- e++;
- d+=4;
- }
- d += dstride;
- e += cstride;
- }
- }
- break;
- case 3:
- case 4:
- for(i = yoff; i < ylen; i++) {
- for(j = xoff; j < xlen; j++) {
- c[0] = d[0] + (((int)c[0] * d[3]) >> 8);
- c[1] = d[1] + (((int)c[1] * d[3]) >> 8);
- c[2] = d[2] + (((int)c[2] * d[3]) >> 8);
-
- c+=bypp;
- d+=4;
- }
- d += dstride;
- c += cstride;
- } break;
- }
-}
-
-#define MIN(x, y) x < y ? x : y
-static void SwapCursor(void)
-{
- int px = MouseX - CursorsXOffset[CurrentCursor];
- int py = MouseY - CursorsYOffset[CurrentCursor];
-
- int minx = MIN(px, LastMouseX);
- int sizex = abs(px - LastMouseX);
-
- int miny = MIN(py, LastMouseY);
- int sizey = abs(py - LastMouseY);
-
- DrawCursor();
- /* now update the portion of the screen that has changed */
-
- if(DisplayMode & GLUT_DOUBLE && (sizex || sizey)) {
- if(minx < 0)
- minx = 0;
- if(miny < 0)
- miny = 0;
-
- if(minx + sizex > VarInfo.xres)
- sizex = VarInfo.xres - minx;
- if(miny + sizey > VarInfo.yres)
- sizey = VarInfo.yres - miny;
- int off = FixedInfo.line_length * miny
- + minx * VarInfo.bits_per_pixel / 8;
- int stride = (sizex + CURSOR_WIDTH) * VarInfo.bits_per_pixel / 8;
- int i;
- for(i = 0; i< sizey + CURSOR_HEIGHT; i++) {
- memcpy(FrameBuffer+off, BackBuffer+off, stride);
- off += FixedInfo.line_length;
- }
- }
-}
-
-/* --------- Menu Rendering ------------*/
-static double MenuProjection[16];
-static double MenuModelview[16];
-
-static void InitMenuMatrices(void)
-{
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluOrtho2D(0.0,VarInfo.xres,VarInfo.yres,0.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glViewport(0,0,VarInfo.xres,VarInfo.yres);
- glGetDoublev(GL_PROJECTION_MATRIX, MenuProjection);
- glGetDoublev(GL_MODELVIEW_MATRIX, MenuModelview);
-}
-
-static int DrawMenu(int menu, int x, int *y)
-{
- int i;
- int ret = 1;
- for(i=0; i < Menus[menu].NumItems; i++) {
- char *s = Menus[menu].Items[i].name;
- int a =0;
- if(MouseY >= *y && MouseY < *y + MENU_FONT_HEIGHT &&
- MouseX >= x && MouseX < x + Menus[menu].width) {
- a = 1;
- SelectedMenu = menu;
- ret = 0;
- Menus[menu].selected = i;
- glColor3f(1,0,0);
- } else
- glColor3f(0,0,1);
-
- *y += MENU_FONT_HEIGHT;
- glRasterPos2i(x, *y);
- for(; *s; s++)
- glutBitmapCharacter(MENU_FONT, *s);
-
- if(Menus[menu].selected == i)
- if(Menus[menu].Items[i].submenu)
- if(DrawMenu(Menus[menu].Items[i].submenu, x
- + SUBMENU_OFFSET, y)) {
- if(!a)
- Menus[menu].selected = -1;
- } else
- ret = 0;
- }
- return ret;
-}
-
-static void DrawMenus(void)
-{
- /* save old settings */
- glPushAttrib(-1);
-
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
- glLoadMatrixd(MenuModelview);
- glMatrixMode(GL_PROJECTION);
- glPushMatrix();
- glLoadMatrixd(MenuProjection);
-
- glDisable(GL_DEPTH_TEST);
- glDisable(GL_ALPHA_TEST);
- glDisable(GL_LIGHTING);
- glDisable(GL_FOG);
- glDisable(GL_TEXTURE_2D);
- // glEnable(GL_LOGIC_OP);
- //glEnable(GL_COLOR_LOGIC_OP);
- // glLogicOp(GL_XOR);
-
- int x = Menus[ActiveMenu].x;
- int y = Menus[ActiveMenu].y;
-
- if(DrawMenu(ActiveMenu, x, &y))
- Menus[ActiveMenu].selected = -1;
-
- /* restore settings */
-
- glPopMatrix();
- glMatrixMode(GL_MODELVIEW);
- glPopMatrix();
-
- glPopAttrib();
-}
-
-/* --------- Event Processing ------------*/
-#define MODIFIER(mod) \
- KeyboardModifiers = release ? KeyboardModifiers & ~mod \
- : KeyboardModifiers | mod;
-
-#define READKEY read(ConsoleFD, &code, 1)
-
-static void LedModifier(int led, int release)
-{
- static int releaseflag = K_CAPS | K_NUM;
- if(release)
- releaseflag |= led;
- else
- if(releaseflag & led) {
- KeyboardLedState ^= led;
- releaseflag &= ~led;
- }
- ioctl(ConsoleFD, KDSKBLED, KeyboardLedState);
- ioctl(ConsoleFD, KDSETLED, 0x80);
-}
-
-static int ReadKey(void)
-{
- int x;
- unsigned char code;
- int specialkey = 0;
- if(READKEY == 0)
- return 0;
-
- if(code == 0)
- return 0;
-
- /* stdin input escape code based */
- if(ConsoleFD == 0) {
- KeyboardModifiers = 0;
- altset:
- if(code == 27 && READKEY == 1) {
- switch(code) {
- case 79: /* function key */
- READKEY;
- if(code == 50) {
- READKEY;
- shiftfunc:
- KeyboardModifiers |= GLUT_ACTIVE_SHIFT;
- specialkey = GLUT_KEY_F1 + code - 53;
- READKEY;
- } else {
- READKEY;
- specialkey = GLUT_KEY_F1 + code - 80;
- }
- break;
- case 91:
- READKEY;
- switch(code) {
- case 68:
- specialkey = GLUT_KEY_LEFT; break;
- case 65:
- specialkey = GLUT_KEY_UP; break;
- case 67:
- specialkey = GLUT_KEY_RIGHT; break;
- case 66:
- specialkey = GLUT_KEY_DOWN; break;
- case 53:
- specialkey = GLUT_KEY_PAGE_UP; READKEY; break;
- case 54:
- specialkey = GLUT_KEY_PAGE_DOWN; READKEY; break;
- case 49:
- specialkey = GLUT_KEY_HOME; READKEY; break;
- case 52:
- specialkey = GLUT_KEY_END; READKEY; break;
- case 50:
- READKEY;
- if(code != 126)
- goto shiftfunc;
- specialkey = GLUT_KEY_INSERT;
- break;
- case 51:
- code = '\b'; goto stdkey;
- case 91:
- READKEY;
- specialkey = GLUT_KEY_F1 + code - 65;
- break;
- default:
- return 0;
- }
- break;
- default:
- KeyboardModifiers |= GLUT_ACTIVE_ALT;
- goto altset;
- }
- }
- stdkey:
- if(specialkey) {
- if(SpecialFunc)
- SpecialFunc(specialkey, MouseX, MouseY);
- } else {
- if(code >= 1 && code <= 26) {
- KeyboardModifiers |= GLUT_ACTIVE_CTRL;
- code += 'a' - 1;
- }
- if((code >= 43 && code <= 34) || (code == 60)
- || (code >= 62 && code <= 90) || (code == 94)
- || (code == 95) || (code >= 123 && code <= 126))
- KeyboardModifiers |= GLUT_ACTIVE_SHIFT;
-
- if(KeyboardFunc)
- KeyboardFunc(code, MouseX, MouseY);
- }
- return 1;
- }
-
- /* linux kbd reading */
- struct kbentry entry;
- entry.kb_table = 0;
- if(KeyboardModifiers & GLUT_ACTIVE_SHIFT)
- entry.kb_table |= K_SHIFTTAB;
-
- int release = code & 0x80;
- code &= 0x7F;
-
- entry.kb_index = code;
-
- if (ioctl(ConsoleFD, KDGKBENT, &entry) < 0) {
- sprintf(exiterror, "ioctl(KDGKBENT) failed.\n");
- exit(0);
- }
-
- int labelval = entry.kb_value;
-
- switch(labelval) {
- case K_SHIFT:
- case K_SHIFTL:
- MODIFIER(GLUT_ACTIVE_SHIFT);
- return 0;
- case K_CTRL:
- MODIFIER(GLUT_ACTIVE_CTRL);
- return 0;
- case K_ALT:
- case K_ALTGR:
- MODIFIER(GLUT_ACTIVE_ALT);
- return 0;
- }
-
- if(!release && labelval >= K_F1 && labelval <= K_F12)
- if(KeyboardModifiers & GLUT_ACTIVE_ALT) {
- /* VT switch, we must do it */
- if(ioctl(ConsoleFD, VT_ACTIVATE, labelval - K_F1 + 1) < 0)
- sprintf(exiterror, "Error switching console\n");
- return 0;
- }
-
- switch(labelval) {
- case K_CAPS:
- LedModifier(LED_CAP, release);
- return 0;
- case K_NUM:
- LedModifier(LED_NUM, release);
- return 0;
- case K_HOLD: /* scroll lock suspends glut */
- LedModifier(LED_SCR, release);
- while(KeyboardLedState & LED_SCR) {
- usleep(10000);
- ReadKey();
- }
- return 0;
- }
-
- /* we could queue keypresses here */
- if(KeyboardLedState & LED_SCR)
- return 0;
-
- if(release)
- return 0;
-
- if(labelval >= K_F1 && labelval <= K_F12)
- specialkey = GLUT_KEY_F1 + labelval - K_F1;
- else
- switch(labelval) {
- case K_LEFT:
- specialkey = GLUT_KEY_LEFT; break;
- case K_UP:
- specialkey = GLUT_KEY_UP; break;
- case K_RIGHT:
- specialkey = GLUT_KEY_RIGHT; break;
- case K_DOWN:
- specialkey = GLUT_KEY_DOWN; break;
- case K_PGUP:
- specialkey = GLUT_KEY_PAGE_UP; break;
- case K_PGDN:
- specialkey = GLUT_KEY_PAGE_DOWN; break;
- case K_FIND:
- specialkey = GLUT_KEY_HOME; break;
- case K_SELECT:
- specialkey = GLUT_KEY_END; break;
- case K_INSERT:
- specialkey = GLUT_KEY_INSERT; break;
- case K_REMOVE:
- labelval = '\b'; break;
- case K_ENTER:
- labelval = '\n'; break;
- }
-
- if(specialkey) {
- if(SpecialFunc)
- SpecialFunc(specialkey, MouseX, MouseY);
- } else
- if(KeyboardFunc) {
- char c = labelval;
- if(KeyboardLedState & LED_CAP) {
- if(c >= 'A' && c <= 'Z')
- c += 'a' - 'A';
- else
- if(c >= 'a' && c <= 'z')
- c += 'A' - 'a';
- }
- KeyboardFunc(c, MouseX, MouseY);
- }
- return 1;
-}
-
-static void HandleMousePress(int button, int pressed)
-{
- if(ActiveMenu && !pressed) {
- if(MenuStatusFunc)
- MenuStatusFunc(GLUT_MENU_NOT_IN_USE, MouseX, MouseY);
- if(MenuStateFunc)
- MenuStateFunc(GLUT_MENU_NOT_IN_USE);
- if(SelectedMenu > 0) {
- int selected = Menus[SelectedMenu].selected;
- if(selected >= 0)
- if(Menus[SelectedMenu].Items[selected].submenu == 0)
- Menus[SelectedMenu].func(Menus[SelectedMenu].Items
- [selected].value);
- }
- ActiveMenu = 0;
- Redisplay = 1;
- return;
- }
-
- if(AttachedMenus[button] && pressed) {
- ActiveMenu = AttachedMenus[button];
- if(MenuStatusFunc)
- MenuStatusFunc(GLUT_MENU_IN_USE, MouseX, MouseY);
- if(MenuStateFunc)
- MenuStateFunc(GLUT_MENU_IN_USE);
- Menus[ActiveMenu].x = MouseX - Menus[ActiveMenu].width/2;
- Menus[ActiveMenu].y = MouseY - Menus[ActiveMenu].NumItems*MENU_FONT_HEIGHT/2;
- Menus[ActiveMenu].selected = -1;
- Redisplay = 1;
- return;
- }
-
- if(MouseFunc)
- MouseFunc(button, pressed ? GLUT_DOWN : GLUT_UP, MouseX, MouseY);
-}
-
-static int ReadMouse(void)
-{
- int l, r, m;
- static int ll, lm, lr;
- signed char dx, dy;
-
-#ifdef HAVE_GPM
- if(GpmMouse) {
- Gpm_Event event;
- struct pollfd pfd;
- pfd.fd = gpm_fd;
- pfd.events = POLLIN;
- if(poll(&pfd, 1, 1) != 1)
- return 0;
-
- if(Gpm_GetEvent(&event) != 1)
- return 0;
-
- l = event.buttons & GPM_B_LEFT;
- m = event.buttons & GPM_B_MIDDLE;
- r = event.buttons & GPM_B_RIGHT;
-
- /* gpm is weird in that it gives a button number when the button
- is released, with type set to GPM_UP, this is only a problem
- if it is the last button released */
-
- if(event.type & GPM_UP)
- if(event.buttons == GPM_B_LEFT || event.buttons == GPM_B_MIDDLE ||
- event.buttons == GPM_B_RIGHT || event.buttons == GPM_B_FOURTH)
- l = m = r = 0;
-
- dx = event.dx;
- dy = event.dy;
- } else
-#endif
- {
- if(MouseFD == -1)
- return 0;
-
- if(fcntl(MouseFD, F_SETFL, O_NONBLOCK) == -1) {
- close(MouseFD);
- MouseFD = -1;
- return 0;
- }
-
- char data[4];
- if(read(MouseFD, data, 4) != 4)
- return 0;
-
- l = ((data[0] & 0x20) >> 3);
- m = ((data[3] & 0x10) >> 3);
- r = ((data[0] & 0x10) >> 4);
-
- dx = (((data[0] & 0x03) << 6) | (data[1] & 0x3F));
- dy = (((data[0] & 0x0C) << 4) | (data[2] & 0x3F));
- }
-
- MouseX += dx * MouseSpeed;
- if(MouseX < 0)
- MouseX = 0;
- else
- if(MouseX >= VarInfo.xres)
- MouseX = VarInfo.xres - 1;
-
- MouseY += dy * MouseSpeed;
- if(MouseY < 0)
- MouseY = 0;
- else
- if(MouseY >= VarInfo.yres)
- MouseY = VarInfo.yres - 1;
-
- if(l != ll)
- HandleMousePress(GLUT_LEFT_BUTTON, l);
- if(m != lm)
- HandleMousePress(GLUT_MIDDLE_BUTTON, m);
- if(r != lr)
- HandleMousePress(GLUT_RIGHT_BUTTON, r);
-
- ll = l, lm = m, lr = r;
-
- if(dx || dy) {
- if(l || m || r) {
- if(MotionFunc)
- MotionFunc(MouseX, MouseY);
- } else
- if(PassiveMotionFunc)
- PassiveMotionFunc(MouseX, MouseY);
-
- EraseCursor();
- if(ActiveMenu)
- Redisplay = 1;
- else
- SwapCursor();
- }
-
- return 1;
-}
-
-static void RecieveEvents(void)
-{
- while(ReadKey());
-
- if(MouseEnabled)
- while(ReadMouse());
-}
-
-static void ProcessTimers(void)
-{
- if(GlutTimers && GlutTimers->time < glutGet(GLUT_ELAPSED_TIME)) {
- struct GlutTimer *timer = GlutTimers;
- timer->func(timer->value);
- GlutTimers = timer->next;
- free(timer);
- }
-}
-
-void glutMainLoop(void)
-{
- if(ReshapeFunc)
- ReshapeFunc(VarInfo.xres, VarInfo.yres);
-
- if(!DisplayFunc) {
- sprintf(exiterror, "Fatal Error: No Display Function registered\n");
- exit(0);
- }
-
- for(;;) {
- ProcessTimers();
-
- if(Active)
- RecieveEvents();
- else
- if(VisiblePoll)
- TestVisible();
-
- if(IdleFunc)
- IdleFunc();
-
- if(VisibleSwitch) {
- VisibleSwitch = 0;
- if(VisibilityFunc)
- VisibilityFunc(Visible ? GLUT_VISIBLE : GLUT_NOT_VISIBLE);
- }
-
- if(Visible && Redisplay) {
- Redisplay = 0;
- if(MouseEnabled)
- EraseCursor();
- DisplayFunc();
- if(!(DisplayMode & GLUT_DOUBLE)) {
- if(ActiveMenu)
- DrawMenus();
- if(MouseEnabled)
- DrawCursor();
- }
- }
- }
-}
-
-/* ---------- Window Management ----------*/
-static void ParseFBModes(void)
-{
- char buf[1024];
- struct fb_var_screeninfo vi = VarInfo;
-
- FILE *fbmodes = fopen(FBMODES, "r");
-
- if(!fbmodes) {
- sprintf(exiterror, "Warning: could not open "
- FBMODES" using current mode\n");
- return;
- }
-
- if(InitialWidthHint == 0 && InitialHeightHint == 0
- && RequiredWidth == 0)
- return; /* use current mode */
-
- while(fgets(buf, sizeof buf, fbmodes)) {
- char *c;
- int v;
-
- 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, &vi.bits_per_pixel);
- if(v != 5)
- continue;
-
- /* now we have to decide what is best */
- if(RequiredWidth) {
- if(RequiredWidth != vi.xres || RequiredHeight != vi.yres)
- continue;
- } else {
- if(VarInfo.xres < vi.xres && VarInfo.xres < InitialWidthHint)
- v++;
- if(VarInfo.xres > vi.xres && vi.xres > InitialWidthHint)
- v++;
-
- if(VarInfo.yres < vi.yres && VarInfo.yres < InitialHeightHint)
- v++;
- if(VarInfo.yres > vi.yres && vi.yres > InitialHeightHint)
- v++;
-
- if(v < 7)
- 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;
-
- VarInfo = vi; /* finally found a better mode */
- if(RequiredWidth) {
- fclose(fbmodes);
- return;
- }
- }
-
- fclose(fbmodes);
-
- if(RequiredWidth) {
- sprintf(exiterror, "No mode (%dx%d) found in "FBMODES"\n",
- RequiredWidth, RequiredHeight);
- exit(0);
- }
-}
-
-int glutCreateWindow (const char *title)
-{
- if(ConsoleFD == -1) {
- int argc = 0;
- char *argv[] = {NULL};
- glutInit(&argc, argv);
- }
-
- if(Context)
- return 0;
-
- char *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];
- FramebufferIndex = 0;
- struct fb_con2fbmap confb;
- int fd = open("/dev/fb0", O_RDWR);
- 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 */
- ParseFBModes();
-
- 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 */
-
- /* set new variable screen info */
- if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo)) {
- sprintf(exiterror, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n",
- strerror(errno));
- exit(0);
- }
-
- /* reload the screen info to update offsets */
- 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(DisplayMode & GLUT_INDEX) {
- /* initialize colormap */
- if (FixedInfo.visual != FB_VISUAL_DIRECTCOLOR) {
- static unsigned short red[256], green[256], blue[256];
- /* we're assuming 256 entries here */
-
- ColorMap.start = 0;
- ColorMap.len = 256;
- ColorMap.red = red;
- ColorMap.green = green;
- ColorMap.blue = blue;
- ColorMap.transp = NULL;
-
- if (ioctl(FrameBufferFD, FBIOGETCMAP, (void *) &ColorMap) < 0)
- sprintf(exiterror, "ioctl(FBIOGETCMAP) failed!\n");
-
- } else {
- sprintf(exiterror, "error: Could not set 8 bit color mode\n");
- exit(0);
- }
- }
-
- /* mmap the framebuffer into our address space */
- 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);
- }
-
- int attribs[9];
- int i;
-
- int mask = DisplayMode;
- for(i=0; i<8 && 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;
- }
-
- 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);
- }
-
- int size = VarInfo.xres_virtual * VarInfo.yres_virtual
- * VarInfo.bits_per_pixel / 8;
- if(DisplayMode & GLUT_DOUBLE) {
- if(!(BackBuffer = malloc(size))) {
- sprintf(exiterror, "Failed to allocate double buffer\n");
- exit(0);
- }
- } else
- BackBuffer = FrameBuffer;
-
- if(!(Buffer = glFBDevCreateBuffer( &FixedInfo, &VarInfo, Visual,
- FrameBuffer, BackBuffer, size))) {
- sprintf(exiterror, "Failure to create Buffer\n");
- exit(0);
- }
-
- 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);
- }
-
- Visible = 1;
- VisibleSwitch = 1;
- Redisplay = 1;
-
- /* set up mouse */
- if((MouseBuffer = malloc(CURSOR_WIDTH * CURSOR_HEIGHT
- * VarInfo.bits_per_pixel / 8)) == NULL) {
- sprintf(exiterror, "malloc failure\n");
- exit(0);
- }
-
- MouseX = VarInfo.xres / 2;
- MouseY = VarInfo.yres / 2;
-
- /* set up menus */
- InitMenuMatrices();
- 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)
-{
-}
-
-void glutPostRedisplay(void)
-{
- Redisplay = 1;
-}
-
-void glutSwapBuffers(void)
-{
- glFlush();
-
- if(DisplayMode & GLUT_DOUBLE) {
- if(ActiveMenu)
- DrawMenus();
- if(MouseEnabled)
- DrawCursor();
- glFBDevSwapBuffers(Buffer);
- }
-}
-
-void glutPositionWindow(int x, int y)
-{
-}
-
-void glutReshapeWindow(int width, int height)
-{
-}
-
-void glutFullScreen(void)
-{
-}
-
-void glutPopWindow(void)
-{
-}
-
-void glutPushWindow(void)
-{
-}
-
-void glutShowWindow(void)
-{
-}
-
-void glutHideWindow(void)
-{
-}
-
-void glutIconifyWindow(void)
-{
-}
-
-void glutSetWindowTitle(const char *name)
-{
-}
-
-void glutSetIconTitle(const char *name)
-{
-}
-
-void glutSetCursor(int cursor)
-{
- if(cursor == GLUT_CURSOR_FULL_CROSSHAIR)
- cursor = GLUT_CURSOR_CROSSHAIR;
- CurrentCursor = cursor;
- MouseEnabled = 1;
- EraseCursor();
- SwapCursor();
-}
-
-/* --------- Overlays ------------*/
-void glutEstablishOverlay(void)
-{
- exit(0);
-}
-
-void glutUseLayer(GLenum layer)
-{
-}
-
-void glutRemoveOverlay(void)
-{
-}
-
-void glutPostOverlayRedisplay(void)
-{
-}
-
-void glutShowOverlay(void)
-{
-}
-
-void glutHideOverlay(void)
-{
-}
-
-/* --------- Menus ------------*/
-int glutCreateMenu(void (*func)(int value))
-{
- MouseEnabled = 1;
- CurrentMenu = NumMenus;
- NumMenus++;
- Menus = realloc(Menus, sizeof(*Menus) * NumMenus);
- Menus[CurrentMenu].NumItems = 0;
- Menus[CurrentMenu].Items = NULL;
- Menus[CurrentMenu].func = func;
- Menus[CurrentMenu].width = 0;
- return CurrentMenu;
-}
-
-void glutSetMenu(int menu)
-{
- CurrentMenu = menu;
-}
-
-int glutGetMenu(void)
-{
- return CurrentMenu;
-}
-
-void glutDestroyMenu(int menu)
-{
- if(menu == CurrentMenu)
- CurrentMenu = 0;
-}
-
-static void NameMenuEntry(int entry, const char *name)
-{
- int cm = CurrentMenu;
- if(!(Menus[cm].Items[entry-1].name = realloc(Menus[cm].Items[entry-1].name,
- strlen(name) + 1))) {
- sprintf(exiterror, "realloc failed in NameMenuEntry\n");
- exit(0);
- }
- strcpy(Menus[cm].Items[entry-1].name, name);
- if(strlen(name) * MENU_FONT_WIDTH > Menus[cm].width)
- Menus[cm].width = strlen(name) * MENU_FONT_WIDTH;
-}
-
-static int AddMenuItem(const char *name)
-{
- int cm = CurrentMenu;
- int item = Menus[cm].NumItems++;
- if(!(Menus[cm].Items = realloc(Menus[cm].Items,
- Menus[cm].NumItems * sizeof(*Menus[0].Items)))) {
- sprintf(exiterror, "realloc failed in AddMenuItem\n");
- exit(0);
- }
- Menus[cm].Items[item].name = NULL;
- NameMenuEntry(item+1, name);
- return item;
-}
-
-void glutAddMenuEntry(const char *name, int value)
-{
- int item = AddMenuItem(name);
- Menus[CurrentMenu].Items[item].value = value;
- Menus[CurrentMenu].Items[item].submenu = 0;
-}
-
-void glutAddSubMenu(const char *name, int menu)
-{
- int item = AddMenuItem(name);
- if(menu == CurrentMenu) {
- sprintf(exiterror, "Recursive menus not supported\n");
- exit(0);
- }
- Menus[CurrentMenu].Items[item].submenu = menu;
-}
-
-void glutChangeToMenuEntry(int entry, const char *name, int value)
-{
- NameMenuEntry(entry, name);
- Menus[CurrentMenu].Items[entry-1].value = value;
- Menus[CurrentMenu].Items[entry-1].submenu = 0;
-}
-
-void glutChangeToSubMenu(int entry, const char *name, int menu)
-{
- NameMenuEntry(entry, name);
- Menus[CurrentMenu].Items[entry-1].submenu = menu;
-}
-
-void glutRemoveMenuItem(int entry)
-{
- memmove(Menus[CurrentMenu].Items + entry - 1,
- Menus[CurrentMenu].Items + entry,
- sizeof(*Menus[0].Items) * (Menus[CurrentMenu].NumItems - entry));
- Menus[CurrentMenu].NumItems--;
-}
-
-void glutAttachMenu(int button)
-{
- AttachedMenus[button] = CurrentMenu;
-}
-
-void glutDetachMenu(int button)
-{
- AttachedMenus[button] = 0;
-}
-
-/* --------- Callbacks ------------ */
-void glutDisplayFunc(void (*func)(void))
-{
- DisplayFunc = func;
-}
-
-void glutOverlayDisplayFunc(void (*func)(void))
-{
-}
-
-void glutReshapeFunc(void (*func)(int width, int height))
-{
- ReshapeFunc = func;
-}
-
-void glutKeyboardFunc(void (*func)(unsigned char key, int x, int y))
-{
- KeyboardFunc = func;
-}
-
-void glutMouseFunc(void (*func)(int button, int state, int x, int y))
-{
- MouseEnabled = 1;
- MouseFunc = func;
-}
-
-void glutMotionFunc(void (*func)(int x, int y))
-{
- MouseEnabled = 1;
- MotionFunc = func;
-}
-
-void glutPassiveMotionFunc(void (*func)(int x, int y))
-{
- MouseEnabled = 1;
- PassiveMotionFunc = func;
-}
-
-void glutVisibilityFunc(void (*func)(int state))
-{
- VisibilityFunc = func;
-}
-
-void glutEntryFunc(void (*func)(int state))
-{
-}
-
-void glutSpecialFunc(void (*func)(int key, int x, int y))
-{
- SpecialFunc = func;
-}
-
-void glutSpaceballMotionFunc(void (*func)(int x, int y, int z))
-{
-}
-
-void glutSpaceballRotateFunc(void (*func)(int x, int y, int z))
-{
-}
-
-void glutButtonBoxFunc(void (*func)(int button, int state))
-{
-}
-
-void glutDialsFunc(void (*func)(int dial, int value))
-{
-}
-
-void glutTabletMotionFunc(void (*func)(int x, int y))
-{
-}
-
-void glutTabletButtonFunc(void (*func)(int button, int state,
- int x, int y))
-{
-}
-
-void glutMenuStatusFunc(void (*func)(int status, int x, int y))
-{
- MenuStatusFunc = func;
-}
-
-void glutMenuStateFunc(void (*func)(int status))
-{
- MenuStateFunc = func;
-}
-
-void glutIdleFunc(void (*func)(void))
-{
- IdleFunc = func;
-}
-
-void glutTimerFunc(unsigned int msecs,
- void (*func)(int value), int value)
-{
- struct GlutTimer *timer = malloc(sizeof *timer);
- timer->time = glutGet(GLUT_ELAPSED_TIME) + msecs;
- timer->func = func;
- timer->value = value;
-
- struct GlutTimer **head = &GlutTimers;
- while(*head && (*head)->time < timer->time)
- head = &(*head)->next;
-
- timer->next = *head;
- *head = timer;
-}
-
-/* --------- Color Map ------------*/
-#define TOCMAP(x) (unsigned short)((x<0?0:x>1?1:x) * (GLfloat) (2<<16))
-#define FROMCMAP(x) (GLfloat)x / (GLfloat)(2<<16)
-
-void glutSetColor(int cell, GLfloat red, GLfloat green, GLfloat blue)
-{
- if(cell >=0 && cell < 256) {
-
- ColorMap.red[cell] = TOCMAP(red);
- ColorMap.green[cell] = TOCMAP(green);
- ColorMap.blue[cell] = TOCMAP(blue);
-
- ColorMap.start = cell;
- ColorMap.len = 1;
-
- if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &ColorMap) < 0)
- fprintf(stderr, "ioctl(FBIOPUTCMAP) failed [%d]\n", cell);
- }
-}
-
-GLfloat glutGetColor(int cell, int component)
-{
- if(!(DisplayMode & GLUT_INDEX))
- return -1.0;
-
- if(cell < 0 || cell > 256)
- return -1.0;
-
- switch(component) {
- case GLUT_RED:
- return FROMCMAP(ColorMap.red[cell]);
- case GLUT_GREEN:
- return FROMCMAP(ColorMap.green[cell]);
- case GLUT_BLUE:
- return FROMCMAP(ColorMap.blue[cell]);
- }
- return -1.0;
-}
-
-void glutCopyColormap(int win)
-{
-}
-
-/* --------- State ------------*/
-void glutWarpPointer(int x, int y)
-{
- if(x < 0)
- x = 0;
- if(x >= VarInfo.xres)
- x = VarInfo.xres - 1;
- MouseX = x;
-
- if(y < 0)
- y = 0;
- if(y >= VarInfo.yres)
- y = VarInfo.yres - 1;
- MouseY = y;
-
- EraseCursor();
- SwapCursor();
-}
-
-int glutGet(GLenum state)
-{
- switch(state) {
- case GLUT_WINDOW_X:
- return 0;
- case GLUT_WINDOW_Y:
- return 0;
- case GLUT_INIT_WINDOW_WIDTH:
- case GLUT_WINDOW_WIDTH:
- case GLUT_SCREEN_WIDTH:
- return VarInfo.xres;
- case GLUT_INIT_WINDOW_HEIGHT:
- case GLUT_WINDOW_HEIGHT:
- case GLUT_SCREEN_HEIGHT:
- return VarInfo.yres;
- case GLUT_WINDOW_BUFFER_SIZE:
- return VarInfo.bits_per_pixel;
- case GLUT_WINDOW_STENCIL_SIZE:
- return StencilSize;
- case GLUT_WINDOW_DEPTH_SIZE:
- return DepthSize;
- case GLUT_WINDOW_RED_SIZE:
- return VarInfo.red.length;
- case GLUT_WINDOW_GREEN_SIZE:
- return VarInfo.green.length;
- case GLUT_WINDOW_BLUE_SIZE:
- return VarInfo.green.length;
- case GLUT_WINDOW_ALPHA_SIZE:
- return VarInfo.transp.length;
- case GLUT_WINDOW_ACCUM_RED_SIZE:
- case GLUT_WINDOW_ACCUM_GREEN_SIZE:
- case GLUT_WINDOW_ACCUM_BLUE_SIZE:
- case GLUT_WINDOW_ACCUM_ALPHA_SIZE:
- return AccumSize;
- case GLUT_WINDOW_DOUBLEBUFFER:
- if(DisplayMode & GLUT_DOUBLE)
- return 1;
- return 0;
- case GLUT_WINDOW_RGBA:
- if(DisplayMode & GLUT_INDEX)
- return 0;
- return 1;
- case GLUT_WINDOW_PARENT:
- return 0;
- case GLUT_WINDOW_NUM_CHILDREN:
- return 0;
- case GLUT_WINDOW_COLORMAP_SIZE:
- if(DisplayMode & GLUT_INDEX)
- return 256;
- return 0;
- case GLUT_WINDOW_NUM_SAMPLES:
- return 0;
- case GLUT_WINDOW_STEREO:
- return 0;
- case GLUT_WINDOW_CURSOR:
- return CurrentCursor;
- case GLUT_SCREEN_WIDTH_MM:
- return VarInfo.width;
- case GLUT_SCREEN_HEIGHT_MM:
- return VarInfo.height;
- case GLUT_MENU_NUM_ITEMS:
- if(CurrentMenu)
- return Menus[CurrentMenu].NumItems;
- return 0;
- case GLUT_DISPLAY_MODE_POSSIBLE:
- if((DisplayMode & GLUT_MULTISAMPLE)
- || (DisplayMode & GLUT_STEREO)
- || (DisplayMode & GLUT_LUMINANCE)
- || (DisplayMode & GLUT_ALPHA) && (DisplayMode & GLUT_INDEX))
- return 0;
- return 1;
- case GLUT_INIT_DISPLAY_MODE:
- return DisplayMode;
- case GLUT_INIT_WINDOW_X:
- case GLUT_INIT_WINDOW_Y:
- return 0;
- case GLUT_ELAPSED_TIME:
- {
- static struct timeval tv;
- gettimeofday(&tv, 0);
- return 1000 * (tv.tv_sec - StartTime.tv_sec)
- + (tv.tv_usec - StartTime.tv_usec) / 1000;
- }
- }
-}
-
-int glutLayerGet(GLenum info)
-{
- switch(info) {
- case GLUT_OVERLAY_POSSIBLE:
- return 0;
- case GLUT_LAYER_IN_USE:
- return GLUT_NORMAL;
- case GLUT_HAS_OVERLAY:
- return 0;
- case GLUT_TRANSPARENT_INDEX:
- return -1;
- case GLUT_NORMAL_DAMAGED:
- return Redisplay;
- case GLUT_OVERLAY_DAMAGED:
- return -1;
- }
- return -1;
-}
-
-int glutDeviceGet(GLenum info)
-{
- switch(info) {
- case GLUT_HAS_KEYBOARD:
- return 1;
- case GLUT_HAS_MOUSE:
- case GLUT_NUM_MOUSE_BUTTONS:
- return NumMouseButtons;
- case GLUT_HAS_SPACEBALL:
- case GLUT_HAS_DIAL_AND_BUTTON_BOX:
- case GLUT_HAS_TABLET:
- return 0;
- case GLUT_NUM_SPACEBALL_BUTTONS:
- case GLUT_NUM_BUTTON_BOX_BUTTONS:
- case GLUT_NUM_DIALS:
- case GLUT_NUM_TABLET_BUTTONS:
- return 0;
- }
- return -1;
-}
-
-int glutGetModifiers(void){
- return KeyboardModifiers;
-}
-
-/* ------------- extensions ------------ */
-int glutExtensionSupported(const char *extension)
-{
- const char *exts = (const char *) glGetString(GL_EXTENSIONS);
- const char *start = exts;
- int len = strlen(extension);
-
- for(;;) {
- const char *p = strstr(exts, extension);
- if(!p)
- break;
- if((p == start || p[-1] == ' ') && (p[len] == ' ' || p[len] == 0))
- return 1;
- exts = p + len;
- }
- return 0;
-}
-
-void glutReportErrors(void)
-{
- GLenum error;
-
- while ((error = glGetError()) != GL_NO_ERROR)
- fprintf(stderr, "GL error: %s", gluErrorString(error));
-}
-
-static struct {
- const char *name;
- const GLUTproc address;
-} glut_functions[] = {
- { "glutInit", (const GLUTproc) glutInit },
- { "glutInitDisplayMode", (const GLUTproc) glutInitDisplayMode },
- { "glutInitWindowPosition", (const GLUTproc) glutInitWindowPosition },
- { "glutInitWindowSize", (const GLUTproc) glutInitWindowSize },
- { "glutMainLoop", (const GLUTproc) glutMainLoop },
- { "glutCreateWindow", (const GLUTproc) glutCreateWindow },
- { "glutCreateSubWindow", (const GLUTproc) glutCreateSubWindow },
- { "glutDestroyWindow", (const GLUTproc) glutDestroyWindow },
- { "glutPostRedisplay", (const GLUTproc) glutPostRedisplay },
- { "glutSwapBuffers", (const GLUTproc) glutSwapBuffers },
- { "glutGetWindow", (const GLUTproc) glutGetWindow },
- { "glutSetWindow", (const GLUTproc) glutSetWindow },
- { "glutSetWindowTitle", (const GLUTproc) glutSetWindowTitle },
- { "glutSetIconTitle", (const GLUTproc) glutSetIconTitle },
- { "glutPositionWindow", (const GLUTproc) glutPositionWindow },
- { "glutReshapeWindow", (const GLUTproc) glutReshapeWindow },
- { "glutPopWindow", (const GLUTproc) glutPopWindow },
- { "glutPushWindow", (const GLUTproc) glutPushWindow },
- { "glutIconifyWindow", (const GLUTproc) glutIconifyWindow },
- { "glutShowWindow", (const GLUTproc) glutShowWindow },
- { "glutHideWindow", (const GLUTproc) glutHideWindow },
- { "glutFullScreen", (const GLUTproc) glutFullScreen },
- { "glutSetCursor", (const GLUTproc) glutSetCursor },
- { "glutWarpPointer", (const GLUTproc) glutWarpPointer },
- { "glutEstablishOverlay", (const GLUTproc) glutEstablishOverlay },
- { "glutRemoveOverlay", (const GLUTproc) glutRemoveOverlay },
- { "glutUseLayer", (const GLUTproc) glutUseLayer },
- { "glutPostOverlayRedisplay", (const GLUTproc) glutPostOverlayRedisplay },
- { "glutShowOverlay", (const GLUTproc) glutShowOverlay },
- { "glutHideOverlay", (const GLUTproc) glutHideOverlay },
- { "glutCreateMenu", (const GLUTproc) glutCreateMenu },
- { "glutDestroyMenu", (const GLUTproc) glutDestroyMenu },
- { "glutGetMenu", (const GLUTproc) glutGetMenu },
- { "glutSetMenu", (const GLUTproc) glutSetMenu },
- { "glutAddMenuEntry", (const GLUTproc) glutAddMenuEntry },
- { "glutAddSubMenu", (const GLUTproc) glutAddSubMenu },
- { "glutChangeToMenuEntry", (const GLUTproc) glutChangeToMenuEntry },
- { "glutChangeToSubMenu", (const GLUTproc) glutChangeToSubMenu },
- { "glutRemoveMenuItem", (const GLUTproc) glutRemoveMenuItem },
- { "glutAttachMenu", (const GLUTproc) glutAttachMenu },
- { "glutDetachMenu", (const GLUTproc) glutDetachMenu },
- { "glutDisplayFunc", (const GLUTproc) glutDisplayFunc },
- { "glutReshapeFunc", (const GLUTproc) glutReshapeFunc },
- { "glutKeyboardFunc", (const GLUTproc) glutKeyboardFunc },
- { "glutMouseFunc", (const GLUTproc) glutMouseFunc },
- { "glutMotionFunc", (const GLUTproc) glutMotionFunc },
- { "glutPassiveMotionFunc", (const GLUTproc) glutPassiveMotionFunc },
- { "glutEntryFunc", (const GLUTproc) glutEntryFunc },
- { "glutVisibilityFunc", (const GLUTproc) glutVisibilityFunc },
- { "glutIdleFunc", (const GLUTproc) glutIdleFunc },
- { "glutTimerFunc", (const GLUTproc) glutTimerFunc },
- { "glutMenuStateFunc", (const GLUTproc) glutMenuStateFunc },
- { "glutSpecialFunc", (const GLUTproc) glutSpecialFunc },
- { "glutSpaceballRotateFunc", (const GLUTproc) glutSpaceballRotateFunc },
- { "glutButtonBoxFunc", (const GLUTproc) glutButtonBoxFunc },
- { "glutDialsFunc", (const GLUTproc) glutDialsFunc },
- { "glutTabletMotionFunc", (const GLUTproc) glutTabletMotionFunc },
- { "glutTabletButtonFunc", (const GLUTproc) glutTabletButtonFunc },
- { "glutMenuStatusFunc", (const GLUTproc) glutMenuStatusFunc },
- { "glutOverlayDisplayFunc", (const GLUTproc) glutOverlayDisplayFunc },
- { "glutSetColor", (const GLUTproc) glutSetColor },
- { "glutGetColor", (const GLUTproc) glutGetColor },
- { "glutCopyColormap", (const GLUTproc) glutCopyColormap },
- { "glutGet", (const GLUTproc) glutGet },
- { "glutDeviceGet", (const GLUTproc) glutDeviceGet },
- { "glutExtensionSupported", (const GLUTproc) glutExtensionSupported },
- { "glutGetModifiers", (const GLUTproc) glutGetModifiers },
- { "glutLayerGet", (const GLUTproc) glutLayerGet },
- { "glutGetProcAddress", (const GLUTproc) glutGetProcAddress },
- { "glutBitmapCharacter", (const GLUTproc) glutBitmapCharacter },
- { "glutBitmapWidth", (const GLUTproc) glutBitmapWidth },
- { "glutStrokeCharacter", (const GLUTproc) glutStrokeCharacter },
- { "glutStrokeWidth", (const GLUTproc) glutStrokeWidth },
- { "glutBitmapLength", (const GLUTproc) glutBitmapLength },
- { "glutStrokeLength", (const GLUTproc) glutStrokeLength },
- { "glutWireSphere", (const GLUTproc) glutWireSphere },
- { "glutSolidSphere", (const GLUTproc) glutSolidSphere },
- { "glutWireCone", (const GLUTproc) glutWireCone },
- { "glutSolidCone", (const GLUTproc) glutSolidCone },
- { "glutWireCube", (const GLUTproc) glutWireCube },
- { "glutSolidCube", (const GLUTproc) glutSolidCube },
- { "glutWireTorus", (const GLUTproc) glutWireTorus },
- { "glutSolidTorus", (const GLUTproc) glutSolidTorus },
- { "glutWireDodecahedron", (const GLUTproc) glutWireDodecahedron },
- { "glutSolidDodecahedron", (const GLUTproc) glutSolidDodecahedron },
- { "glutWireTeapot", (const GLUTproc) glutWireTeapot },
- { "glutSolidTeapot", (const GLUTproc) glutSolidTeapot },
- { "glutWireOctahedron", (const GLUTproc) glutWireOctahedron },
- { "glutSolidOctahedron", (const GLUTproc) glutSolidOctahedron },
- { "glutWireTetrahedron", (const GLUTproc) glutWireTetrahedron },
- { "glutSolidTetrahedron", (const GLUTproc) glutSolidTetrahedron },
- { "glutWireIcosahedron", (const GLUTproc) glutWireIcosahedron },
- { "glutSolidIcosahedron", (const GLUTproc) glutSolidIcosahedron },
- { "glutReportErrors", (const GLUTproc) glutReportErrors },
- { NULL, NULL }
-};
-
-GLUTproc glutGetProcAddress(const char *procName)
-{
- /* Try GLUT functions first */
- int i;
- for (i = 0; glut_functions[i].name; i++) {
- if (strcmp(glut_functions[i].name, procName) == 0)
- return glut_functions[i].address;
- }
-
- /* Try core GL functions */
- return (GLUTproc) glFBDevGetProcAddress(procName);
-}
projects / mesa.git / commitdiff