diff options
Diffstat (limited to 'WinQuake/gl_vidlinuxglx.c')
| -rw-r--r-- | WinQuake/gl_vidlinuxglx.c | 1995 |
1 files changed, 998 insertions, 997 deletions
diff --git a/WinQuake/gl_vidlinuxglx.c b/WinQuake/gl_vidlinuxglx.c index 400adb4..ac242f3 100644 --- a/WinQuake/gl_vidlinuxglx.c +++ b/WinQuake/gl_vidlinuxglx.c @@ -1,997 +1,998 @@ -/* -Copyright (C) 1996-1997 Id Software, Inc. - -This program is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -This program 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 General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -*/ -#include <termios.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <sys/vt.h> -#include <stdarg.h> -#include <stdio.h> -#include <signal.h> - -#include <dlfcn.h> - -#include "quakedef.h" - -#include <GL/glx.h> - -#include <X11/keysym.h> -#include <X11/cursorfont.h> - -#include <X11/extensions/xf86dga.h> -#include <X11/extensions/xf86vmode.h> - -#define WARP_WIDTH 320 -#define WARP_HEIGHT 200 - -static Display *dpy = NULL; -static int scrnum; -static Window win; -static GLXContext ctx = NULL; - -#define KEY_MASK (KeyPressMask | KeyReleaseMask) -#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \ - PointerMotionMask | ButtonMotionMask ) -#define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | StructureNotifyMask ) - - -unsigned short d_8to16table[256]; -unsigned d_8to24table[256]; -unsigned char d_15to8table[65536]; - -cvar_t vid_mode = {"vid_mode","0",false}; - -static qboolean mouse_avail; -static qboolean mouse_active; -static int mx, my; -static int old_mouse_x, old_mouse_y; - -static cvar_t in_mouse = {"in_mouse", "1", false}; -static cvar_t in_dgamouse = {"in_dgamouse", "1", false}; -static cvar_t m_filter = {"m_filter", "0"}; - -qboolean dgamouse = false; -qboolean vidmode_ext = false; - -static int win_x, win_y; - -static int scr_width, scr_height; - -static XF86VidModeModeInfo **vidmodes; -static int default_dotclock_vidmode; -static int num_vidmodes; -static qboolean vidmode_active = false; - -/*-----------------------------------------------------------------------*/ - -//int texture_mode = GL_NEAREST; -//int texture_mode = GL_NEAREST_MIPMAP_NEAREST; -//int texture_mode = GL_NEAREST_MIPMAP_LINEAR; -int texture_mode = GL_LINEAR; -//int texture_mode = GL_LINEAR_MIPMAP_NEAREST; -//int texture_mode = GL_LINEAR_MIPMAP_LINEAR; - -int texture_extension_number = 1; - -float gldepthmin, gldepthmax; - -cvar_t gl_ztrick = {"gl_ztrick","1"}; - -const char *gl_vendor; -const char *gl_renderer; -const char *gl_version; -const char *gl_extensions; - -void (*qglColorTableEXT) (int, int, int, int, int, const void*); -void (*qgl3DfxSetPaletteEXT) (GLuint *); - -static float vid_gamma = 1.0; - -qboolean is8bit = false; -qboolean isPermedia = false; -qboolean gl_mtexable = false; - -/*-----------------------------------------------------------------------*/ -void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height) -{ -} - -void D_EndDirectRect (int x, int y, int width, int height) -{ -} - -static int XLateKey(XKeyEvent *ev) -{ - - int key; - char buf[64]; - KeySym keysym; - - key = 0; - - XLookupString(ev, buf, sizeof buf, &keysym, 0); - - switch(keysym) - { - case XK_KP_Page_Up: - case XK_Page_Up: key = K_PGUP; break; - - case XK_KP_Page_Down: - case XK_Page_Down: key = K_PGDN; break; - - case XK_KP_Home: - case XK_Home: key = K_HOME; break; - - case XK_KP_End: - case XK_End: key = K_END; break; - - case XK_KP_Left: - case XK_Left: key = K_LEFTARROW; break; - - case XK_KP_Right: - case XK_Right: key = K_RIGHTARROW; break; - - case XK_KP_Down: - case XK_Down: key = K_DOWNARROW; break; - - case XK_KP_Up: - case XK_Up: key = K_UPARROW; break; - - case XK_Escape: key = K_ESCAPE; break; - - case XK_KP_Enter: - case XK_Return: key = K_ENTER; break; - - case XK_Tab: key = K_TAB; break; - - case XK_F1: key = K_F1; break; - - case XK_F2: key = K_F2; break; - - case XK_F3: key = K_F3; break; - - case XK_F4: key = K_F4; break; - - case XK_F5: key = K_F5; break; - - case XK_F6: key = K_F6; break; - - case XK_F7: key = K_F7; break; - - case XK_F8: key = K_F8; break; - - case XK_F9: key = K_F9; break; - - case XK_F10: key = K_F10; break; - - case XK_F11: key = K_F11; break; - - case XK_F12: key = K_F12; break; - - case XK_BackSpace: key = K_BACKSPACE; break; - - case XK_KP_Delete: - case XK_Delete: key = K_DEL; break; - - case XK_Pause: key = K_PAUSE; break; - - case XK_Shift_L: - case XK_Shift_R: key = K_SHIFT; break; - - case XK_Execute: - case XK_Control_L: - case XK_Control_R: key = K_CTRL; break; - - case XK_Alt_L: - case XK_Meta_L: - case XK_Alt_R: - case XK_Meta_R: key = K_ALT; break; - - case XK_KP_Begin: key = '5'; break; - - case XK_KP_Insert: - case XK_Insert:key = K_INS; break; - - case XK_KP_Multiply: key = '*'; break; - case XK_KP_Add: key = '+'; break; - case XK_KP_Subtract: key = '-'; break; - case XK_KP_Divide: key = '/'; break; - -#if 0 - case 0x021: key = '1';break;/* [!] */ - case 0x040: key = '2';break;/* [@] */ - case 0x023: key = '3';break;/* [#] */ - case 0x024: key = '4';break;/* [$] */ - case 0x025: key = '5';break;/* [%] */ - case 0x05e: key = '6';break;/* [^] */ - case 0x026: key = '7';break;/* [&] */ - case 0x02a: key = '8';break;/* [*] */ - case 0x028: key = '9';;break;/* [(] */ - case 0x029: key = '0';break;/* [)] */ - case 0x05f: key = '-';break;/* [_] */ - case 0x02b: key = '=';break;/* [+] */ - case 0x07c: key = '\'';break;/* [|] */ - case 0x07d: key = '[';break;/* [}] */ - case 0x07b: key = ']';break;/* [{] */ - case 0x022: key = '\'';break;/* ["] */ - case 0x03a: key = ';';break;/* [:] */ - case 0x03f: key = '/';break;/* [?] */ - case 0x03e: key = '.';break;/* [>] */ - case 0x03c: key = ',';break;/* [<] */ -#endif - - default: - key = *(unsigned char*)buf; - if (key >= 'A' && key <= 'Z') - key = key - 'A' + 'a'; - break; - } - - return key; -} - -static Cursor CreateNullCursor(Display *display, Window root) -{ - Pixmap cursormask; - XGCValues xgc; - GC gc; - XColor dummycolour; - Cursor cursor; - - cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/); - xgc.function = GXclear; - gc = XCreateGC(display, cursormask, GCFunction, &xgc); - XFillRectangle(display, cursormask, gc, 0, 0, 1, 1); - dummycolour.pixel = 0; - dummycolour.red = 0; - dummycolour.flags = 04; - cursor = XCreatePixmapCursor(display, cursormask, cursormask, - &dummycolour,&dummycolour, 0,0); - XFreePixmap(display,cursormask); - XFreeGC(display,gc); - return cursor; -} - -static void install_grabs(void) -{ - -// inviso cursor - XDefineCursor(dpy, win, CreateNullCursor(dpy, win)); - - XGrabPointer(dpy, win, - True, - 0, - GrabModeAsync, GrabModeAsync, - win, - None, - CurrentTime); - - if (in_dgamouse.value) { - int MajorVersion, MinorVersion; - - if (!XF86DGAQueryVersion(dpy, &MajorVersion, &MinorVersion)) { - // unable to query, probalby not supported - Con_Printf( "Failed to detect XF86DGA Mouse\n" ); - in_dgamouse.value = 0; - } else { - dgamouse = true; - XF86DGADirectVideo(dpy, DefaultScreen(dpy), XF86DGADirectMouse); - XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0); - } - } else { - XWarpPointer(dpy, None, win, - 0, 0, 0, 0, - vid.width / 2, vid.height / 2); - } - - XGrabKeyboard(dpy, win, - False, - GrabModeAsync, GrabModeAsync, - CurrentTime); - - mouse_active = true; - -// XSync(dpy, True); -} - -static void uninstall_grabs(void) -{ - if (!dpy || !win) - return; - - if (dgamouse) { - dgamouse = false; - XF86DGADirectVideo(dpy, DefaultScreen(dpy), 0); - } - - XUngrabPointer(dpy, CurrentTime); - XUngrabKeyboard(dpy, CurrentTime); - -// inviso cursor - XUndefineCursor(dpy, win); - - mouse_active = false; -} - -static void HandleEvents(void) -{ - XEvent event; - KeySym ks; - int b; - qboolean dowarp = false; - int mwx = vid.width/2; - int mwy = vid.height/2; - - if (!dpy) - return; - - while (XPending(dpy)) { - XNextEvent(dpy, &event); - - switch (event.type) { - case KeyPress: - case KeyRelease: - Key_Event(XLateKey(&event.xkey), event.type == KeyPress); - break; - - case MotionNotify: - if (mouse_active) { - if (dgamouse) { - mx += (event.xmotion.x + win_x) * 2; - my += (event.xmotion.y + win_y) * 2; - } - else - { - mx += ((int)event.xmotion.x - mwx) * 2; - my += ((int)event.xmotion.y - mwy) * 2; - mwx = event.xmotion.x; - mwy = event.xmotion.y; - - if (mx || my) - dowarp = true; - } - } - break; - - break; - - case ButtonPress: - b=-1; - if (event.xbutton.button == 1) - b = 0; - else if (event.xbutton.button == 2) - b = 2; - else if (event.xbutton.button == 3) - b = 1; - if (b>=0) - Key_Event(K_MOUSE1 + b, true); - break; - - case ButtonRelease: - b=-1; - if (event.xbutton.button == 1) - b = 0; - else if (event.xbutton.button == 2) - b = 2; - else if (event.xbutton.button == 3) - b = 1; - if (b>=0) - Key_Event(K_MOUSE1 + b, false); - break; - - case CreateNotify : - win_x = event.xcreatewindow.x; - win_y = event.xcreatewindow.y; - break; - - case ConfigureNotify : - win_x = event.xconfigure.x; - win_y = event.xconfigure.y; - break; - } - } - - if (dowarp) { - /* move the mouse to the window center again */ - XWarpPointer(dpy, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2); - } - -} - -static void IN_DeactivateMouse( void ) -{ - if (!mouse_avail || !dpy || !win) - return; - - if (mouse_active) { - uninstall_grabs(); - mouse_active = false; - } -} - -static void IN_ActivateMouse( void ) -{ - if (!mouse_avail || !dpy || !win) - return; - - if (!mouse_active) { - mx = my = 0; // don't spazz - install_grabs(); - mouse_active = true; - } -} - - -void VID_Shutdown(void) -{ - if (!ctx || !dpy) - return; - IN_DeactivateMouse(); - if (dpy) { - if (ctx) - glXDestroyContext(dpy, ctx); - if (win) - XDestroyWindow(dpy, win); - if (vidmode_active) - XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[0]); - XCloseDisplay(dpy); - } - vidmode_active = false; - dpy = NULL; - win = 0; - ctx = NULL; -} - -void signal_handler(int sig) -{ - printf("Received signal %d, exiting...\n", sig); - Sys_Quit(); - exit(0); -} - -void InitSig(void) -{ - signal(SIGHUP, signal_handler); - signal(SIGINT, signal_handler); - signal(SIGQUIT, signal_handler); - signal(SIGILL, signal_handler); - signal(SIGTRAP, signal_handler); - signal(SIGIOT, signal_handler); - signal(SIGBUS, signal_handler); - signal(SIGFPE, signal_handler); - signal(SIGSEGV, signal_handler); - signal(SIGTERM, signal_handler); -} - -void VID_ShiftPalette(unsigned char *p) -{ -// VID_SetPalette(p); -} - -void VID_SetPalette (unsigned char *palette) -{ - byte *pal; - unsigned r,g,b; - unsigned v; - int r1,g1,b1; - int j,k,l,m; - unsigned short i; - unsigned *table; - FILE *f; - char s[255]; - int dist, bestdist; - -// -// 8 8 8 encoding -// - pal = palette; - table = d_8to24table; - for (i=0 ; i<256 ; i++) - { - r = pal[0]; - g = pal[1]; - b = pal[2]; - pal += 3; - - v = (255<<24) + (r<<0) + (g<<8) + (b<<16); - *table++ = v; - } - d_8to24table[255] &= 0xffffff; // 255 is transparent - - for (i=0; i < (1<<15); i++) { - /* Maps - 000000000000000 - 000000000011111 = Red = 0x1F - 000001111100000 = Blue = 0x03E0 - 111110000000000 = Grn = 0x7C00 - */ - r = ((i & 0x1F) << 3)+4; - g = ((i & 0x03E0) >> 2)+4; - b = ((i & 0x7C00) >> 7)+4; - pal = (unsigned char *)d_8to24table; - for (v=0,k=0,bestdist=10000*10000; v<256; v++,pal+=4) { - r1 = (int)r - (int)pal[0]; - g1 = (int)g - (int)pal[1]; - b1 = (int)b - (int)pal[2]; - dist = (r1*r1)+(g1*g1)+(b1*b1); - if (dist < bestdist) { - k=v; - bestdist = dist; - } - } - d_15to8table[i]=k; - } -} - -void CheckMultiTextureExtensions(void) -{ - void *prjobj; - - if (strstr(gl_extensions, "GL_SGIS_multitexture ") && !COM_CheckParm("-nomtex")) { - Con_Printf("Found GL_SGIS_multitexture...\n"); - - if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL) { - Con_Printf("Unable to open symbol list for main program.\n"); - return; - } - - qglMTexCoord2fSGIS = (void *) dlsym(prjobj, "glMTexCoord2fSGIS"); - qglSelectTextureSGIS = (void *) dlsym(prjobj, "glSelectTextureSGIS"); - - if (qglMTexCoord2fSGIS && qglSelectTextureSGIS) { - Con_Printf("Multitexture extensions found.\n"); - gl_mtexable = true; - } else - Con_Printf("Symbol not found, disabled.\n"); - - dlclose(prjobj); - } -} - -/* -=============== -GL_Init -=============== -*/ -void GL_Init (void) -{ - gl_vendor = glGetString (GL_VENDOR); - Con_Printf ("GL_VENDOR: %s\n", gl_vendor); - gl_renderer = glGetString (GL_RENDERER); - Con_Printf ("GL_RENDERER: %s\n", gl_renderer); - - gl_version = glGetString (GL_VERSION); - Con_Printf ("GL_VERSION: %s\n", gl_version); - gl_extensions = glGetString (GL_EXTENSIONS); - Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions); - -// Con_Printf ("%s %s\n", gl_renderer, gl_version); - - CheckMultiTextureExtensions (); - - glClearColor (1,0,0,0); - glCullFace(GL_FRONT); - glEnable(GL_TEXTURE_2D); - - glEnable(GL_ALPHA_TEST); - glAlphaFunc(GL_GREATER, 0.666); - - glPolygonMode (GL_FRONT_AND_BACK, GL_FILL); - glShadeModel (GL_FLAT); - - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - - glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - -// glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); -} - -/* -================= -GL_BeginRendering - -================= -*/ -void GL_BeginRendering (int *x, int *y, int *width, int *height) -{ - extern cvar_t gl_clear; - - *x = *y = 0; - *width = scr_width; - *height = scr_height; - -// if (!wglMakeCurrent( maindc, baseRC )) -// Sys_Error ("wglMakeCurrent failed"); - -// glViewport (*x, *y, *width, *height); -} - - -void GL_EndRendering (void) -{ - glFlush(); - glXSwapBuffers(dpy, win); -} - -qboolean VID_Is8bit(void) -{ - return is8bit; -} - -void VID_Init8bitPalette(void) -{ - // Check for 8bit Extensions and initialize them. - int i; - void *prjobj; - - if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL) { - Con_Printf("Unable to open symbol list for main program.\n"); - return; - } - - if (strstr(gl_extensions, "3DFX_set_global_palette") && - (qgl3DfxSetPaletteEXT = dlsym(prjobj, "gl3DfxSetPaletteEXT")) != NULL) { - GLubyte table[256][4]; - char *oldpal; - - Con_SafePrintf("8-bit GL extensions enabled.\n"); - glEnable( GL_SHARED_TEXTURE_PALETTE_EXT ); - oldpal = (char *) d_8to24table; //d_8to24table3dfx; - for (i=0;i<256;i++) { - table[i][2] = *oldpal++; - table[i][1] = *oldpal++; - table[i][0] = *oldpal++; - table[i][3] = 255; - oldpal++; - } - qgl3DfxSetPaletteEXT((GLuint *)table); - is8bit = true; - - } else if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") && - (qglColorTableEXT = dlsym(prjobj, "glColorTableEXT")) != NULL) { - char thePalette[256*3]; - char *oldPalette, *newPalette; - - Con_SafePrintf("8-bit GL extensions enabled.\n"); - glEnable( GL_SHARED_TEXTURE_PALETTE_EXT ); - oldPalette = (char *) d_8to24table; //d_8to24table3dfx; - newPalette = thePalette; - for (i=0;i<256;i++) { - *newPalette++ = *oldPalette++; - *newPalette++ = *oldPalette++; - *newPalette++ = *oldPalette++; - oldPalette++; - } - qglColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette); - is8bit = true; - } - - dlclose(prjobj); -} - -static void Check_Gamma (unsigned char *pal) -{ - float f, inf; - unsigned char palette[768]; - int i; - - if ((i = COM_CheckParm("-gamma")) == 0) { - if ((gl_renderer && strstr(gl_renderer, "Voodoo")) || - (gl_vendor && strstr(gl_vendor, "3Dfx"))) - vid_gamma = 1; - else - vid_gamma = 0.7; // default to 0.7 on non-3dfx hardware - } else - vid_gamma = Q_atof(com_argv[i+1]); - - for (i=0 ; i<768 ; i++) - { - f = pow ( (pal[i]+1)/256.0 , vid_gamma ); - inf = f*255 + 0.5; - if (inf < 0) - inf = 0; - if (inf > 255) - inf = 255; - palette[i] = inf; - } - - memcpy (pal, palette, sizeof(palette)); -} - -void VID_Init(unsigned char *palette) -{ - int i; - int attrib[] = { - GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DOUBLEBUFFER, - GLX_DEPTH_SIZE, 1, - None - }; - char gldir[MAX_OSPATH]; - int width = 640, height = 480; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - XVisualInfo *visinfo; - qboolean fullscreen = true; - int MajorVersion, MinorVersion; - int actualWidth, actualHeight; - - Cvar_RegisterVariable (&vid_mode); - Cvar_RegisterVariable (&in_mouse); - Cvar_RegisterVariable (&in_dgamouse); - Cvar_RegisterVariable (&m_filter); - Cvar_RegisterVariable (&gl_ztrick); - - vid.maxwarpwidth = WARP_WIDTH; - vid.maxwarpheight = WARP_HEIGHT; - vid.colormap = host_colormap; - vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048)); - -// interpret command-line params - -// set vid parameters - if ((i = COM_CheckParm("-window")) != 0) - fullscreen = false; - - if ((i = COM_CheckParm("-width")) != 0) - width = atoi(com_argv[i+1]); - - if ((i = COM_CheckParm("-height")) != 0) - height = atoi(com_argv[i+1]); - - if ((i = COM_CheckParm("-conwidth")) != 0) - vid.conwidth = Q_atoi(com_argv[i+1]); - else - vid.conwidth = 640; - - vid.conwidth &= 0xfff8; // make it a multiple of eight - - if (vid.conwidth < 320) - vid.conwidth = 320; - - // pick a conheight that matches with correct aspect - vid.conheight = vid.conwidth*3 / 4; - - if ((i = COM_CheckParm("-conheight")) != 0) - vid.conheight = Q_atoi(com_argv[i+1]); - if (vid.conheight < 200) - vid.conheight = 200; - - if (!(dpy = XOpenDisplay(NULL))) { - fprintf(stderr, "Error couldn't open the X display\n"); - exit(1); - } - - scrnum = DefaultScreen(dpy); - root = RootWindow(dpy, scrnum); - - // Get video mode list - MajorVersion = MinorVersion = 0; - if (!XF86VidModeQueryVersion(dpy, &MajorVersion, &MinorVersion)) { - vidmode_ext = false; - } else { - Con_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion); - vidmode_ext = true; - } - - visinfo = glXChooseVisual(dpy, scrnum, attrib); - if (!visinfo) { - fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n"); - exit(1); - } - - if (vidmode_ext) { - int best_fit, best_dist, dist, x, y; - - XF86VidModeGetAllModeLines(dpy, scrnum, &num_vidmodes, &vidmodes); - - // Are we going fullscreen? If so, let's change video mode - if (fullscreen) { - best_dist = 9999999; - best_fit = -1; - - for (i = 0; i < num_vidmodes; i++) { - if (width > vidmodes[i]->hdisplay || - height > vidmodes[i]->vdisplay) - continue; - - x = width - vidmodes[i]->hdisplay; - y = height - vidmodes[i]->vdisplay; - dist = (x * x) + (y * y); - if (dist < best_dist) { - best_dist = dist; - best_fit = i; - } - } - - if (best_fit != -1) { - actualWidth = vidmodes[best_fit]->hdisplay; - actualHeight = vidmodes[best_fit]->vdisplay; - - // change to the mode - XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[best_fit]); - vidmode_active = true; - - // Move the viewport to top left - XF86VidModeSetViewPort(dpy, scrnum, 0, 0); - } else - fullscreen = 0; - } - } - - /* window attributes */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); - attr.event_mask = X_MASK; - if (vidmode_active) { - mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | - CWEventMask | CWOverrideRedirect; - attr.override_redirect = True; - attr.backing_store = NotUseful; - attr.save_under = False; - } else - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; - - win = XCreateWindow(dpy, root, 0, 0, width, height, - 0, visinfo->depth, InputOutput, - visinfo->visual, mask, &attr); - XMapWindow(dpy, win); - - if (vidmode_active) { - XMoveWindow(dpy, win, 0, 0); - XRaiseWindow(dpy, win); - XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0); - XFlush(dpy); - // Move the viewport to top left - XF86VidModeSetViewPort(dpy, scrnum, 0, 0); - } - - XFlush(dpy); - - ctx = glXCreateContext(dpy, visinfo, NULL, True); - - glXMakeCurrent(dpy, win, ctx); - - scr_width = width; - scr_height = height; - - if (vid.conheight > height) - vid.conheight = height; - if (vid.conwidth > width) - vid.conwidth = width; - vid.width = vid.conwidth; - vid.height = vid.conheight; - - vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0); - vid.numpages = 2; - - InitSig(); // trap evil signals - - GL_Init(); - - sprintf (gldir, "%s/glquake", com_gamedir); - Sys_mkdir (gldir); - - VID_SetPalette(palette); - - // Check for 3DFX Extensions and initialize them. - VID_Init8bitPalette(); - - Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height); - - vid.recalc_refdef = 1; // force a surface cache flush -} - -void Sys_SendKeyEvents(void) -{ - HandleEvents(); -} - -void Force_CenterView_f (void) -{ - cl.viewangles[PITCH] = 0; -} - -void IN_Init(void) -{ -} - -void IN_Shutdown(void) -{ -} - -/* -=========== -IN_Commands -=========== -*/ -void IN_Commands (void) -{ - if (!dpy || !win) - return; - - if (vidmode_active || key_dest == key_game) - IN_ActivateMouse(); - else - IN_DeactivateMouse (); -} - -/* -=========== -IN_Move -=========== -*/ -void IN_MouseMove (usercmd_t *cmd) -{ - if (!mouse_avail) - return; - - if (m_filter.value) - { - mx = (mx + old_mouse_x) * 0.5; - my = (my + old_mouse_y) * 0.5; - } - old_mouse_x = mx; - old_mouse_y = my; - - mx *= sensitivity.value; - my *= sensitivity.value; - -// add mouse X/Y movement to cmd - if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) )) - cmd->sidemove += m_side.value * mx; - else - cl.viewangles[YAW] -= m_yaw.value * mx; - - if (in_mlook.state & 1) - V_StopPitchDrift (); - - if ( (in_mlook.state & 1) && !(in_strafe.state & 1)) - { - cl.viewangles[PITCH] += m_pitch.value * my; - if (cl.viewangles[PITCH] > 80) - cl.viewangles[PITCH] = 80; - if (cl.viewangles[PITCH] < -70) - cl.viewangles[PITCH] = -70; - } - else - { - if ((in_strafe.state & 1) && noclip_anglehack) - cmd->upmove -= m_forward.value * my; - else - cmd->forwardmove -= m_forward.value * my; - } - mx = my = 0; -} - -void IN_Move (usercmd_t *cmd) -{ - IN_MouseMove(cmd); -} - - +/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/vt.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <signal.h>
+
+#include <dlfcn.h>
+
+#include "quakedef.h"
+
+#include <GL/glx.h>
+
+#include <X11/keysym.h>
+#include <X11/cursorfont.h>
+
+#include <X11/extensions/xf86dga.h>
+#include <X11/extensions/xf86vmode.h>
+
+#define WARP_WIDTH 320
+#define WARP_HEIGHT 200
+
+static Display *dpy = NULL;
+static int scrnum;
+static Window win;
+static GLXContext ctx = NULL;
+
+#define KEY_MASK (KeyPressMask | KeyReleaseMask)
+#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \
+ PointerMotionMask | ButtonMotionMask )
+#define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | StructureNotifyMask )
+
+
+unsigned short d_8to16table[256];
+unsigned d_8to24table[256];
+unsigned char d_15to8table[65536];
+
+cvar_t vid_mode = {"vid_mode","0",false};
+
+static qboolean mouse_avail;
+static qboolean mouse_active;
+static int mx, my;
+static int old_mouse_x, old_mouse_y;
+
+static cvar_t in_mouse = {"in_mouse", "1", false};
+static cvar_t in_dgamouse = {"in_dgamouse", "1", false};
+static cvar_t m_filter = {"m_filter", "0"};
+
+qboolean dgamouse = false;
+qboolean vidmode_ext = false;
+
+static int win_x, win_y;
+
+static int scr_width, scr_height;
+
+static XF86VidModeModeInfo **vidmodes;
+static int default_dotclock_vidmode;
+static int num_vidmodes;
+static qboolean vidmode_active = false;
+
+/*-----------------------------------------------------------------------*/
+
+//int texture_mode = GL_NEAREST;
+//int texture_mode = GL_NEAREST_MIPMAP_NEAREST;
+//int texture_mode = GL_NEAREST_MIPMAP_LINEAR;
+int texture_mode = GL_LINEAR;
+//int texture_mode = GL_LINEAR_MIPMAP_NEAREST;
+//int texture_mode = GL_LINEAR_MIPMAP_LINEAR;
+
+int texture_extension_number = 1;
+
+float gldepthmin, gldepthmax;
+
+cvar_t gl_ztrick = {"gl_ztrick","1"};
+
+const char *gl_vendor;
+const char *gl_renderer;
+const char *gl_version;
+const char *gl_extensions;
+
+void (*qglColorTableEXT) (int, int, int, int, int, const void*);
+void (*qgl3DfxSetPaletteEXT) (GLuint *);
+
+static float vid_gamma = 1.0;
+
+qboolean is8bit = false;
+qboolean isPermedia = false;
+qboolean gl_mtexable = false;
+
+/*-----------------------------------------------------------------------*/
+void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
+{
+}
+
+void D_EndDirectRect (int x, int y, int width, int height)
+{
+}
+
+static int XLateKey(XKeyEvent *ev)
+{
+
+ int key;
+ char buf[64];
+ KeySym keysym;
+
+ key = 0;
+
+ XLookupString(ev, buf, sizeof buf, &keysym, 0);
+
+ switch(keysym)
+ {
+ case XK_KP_Page_Up:
+ case XK_Page_Up: key = K_PGUP; break;
+
+ case XK_KP_Page_Down:
+ case XK_Page_Down: key = K_PGDN; break;
+
+ case XK_KP_Home:
+ case XK_Home: key = K_HOME; break;
+
+ case XK_KP_End:
+ case XK_End: key = K_END; break;
+
+ case XK_KP_Left:
+ case XK_Left: key = K_LEFTARROW; break;
+
+ case XK_KP_Right:
+ case XK_Right: key = K_RIGHTARROW; break;
+
+ case XK_KP_Down:
+ case XK_Down: key = K_DOWNARROW; break;
+
+ case XK_KP_Up:
+ case XK_Up: key = K_UPARROW; break;
+
+ case XK_Escape: key = K_ESCAPE; break;
+
+ case XK_KP_Enter:
+ case XK_Return: key = K_ENTER; break;
+
+ case XK_Tab: key = K_TAB; break;
+
+ case XK_F1: key = K_F1; break;
+
+ case XK_F2: key = K_F2; break;
+
+ case XK_F3: key = K_F3; break;
+
+ case XK_F4: key = K_F4; break;
+
+ case XK_F5: key = K_F5; break;
+
+ case XK_F6: key = K_F6; break;
+
+ case XK_F7: key = K_F7; break;
+
+ case XK_F8: key = K_F8; break;
+
+ case XK_F9: key = K_F9; break;
+
+ case XK_F10: key = K_F10; break;
+
+ case XK_F11: key = K_F11; break;
+
+ case XK_F12: key = K_F12; break;
+
+ case XK_BackSpace: key = K_BACKSPACE; break;
+
+ case XK_KP_Delete:
+ case XK_Delete: key = K_DEL; break;
+
+ case XK_Pause: key = K_PAUSE; break;
+
+ case XK_Shift_L:
+ case XK_Shift_R: key = K_SHIFT; break;
+
+ case XK_Execute:
+ case XK_Control_L:
+ case XK_Control_R: key = K_CTRL; break;
+
+ case XK_Alt_L:
+ case XK_Meta_L:
+ case XK_Alt_R:
+ case XK_Meta_R: key = K_ALT; break;
+
+ case XK_KP_Begin: key = '5'; break;
+
+ case XK_KP_Insert:
+ case XK_Insert:key = K_INS; break;
+
+ case XK_KP_Multiply: key = '*'; break;
+ case XK_KP_Add: key = '+'; break;
+ case XK_KP_Subtract: key = '-'; break;
+ case XK_KP_Divide: key = '/'; break;
+
+#if 0
+ case 0x021: key = '1';break;/* [!] */
+ case 0x040: key = '2';break;/* [@] */
+ case 0x023: key = '3';break;/* [#] */
+ case 0x024: key = '4';break;/* [$] */
+ case 0x025: key = '5';break;/* [%] */
+ case 0x05e: key = '6';break;/* [^] */
+ case 0x026: key = '7';break;/* [&] */
+ case 0x02a: key = '8';break;/* [*] */
+ case 0x028: key = '9';;break;/* [(] */
+ case 0x029: key = '0';break;/* [)] */
+ case 0x05f: key = '-';break;/* [_] */
+ case 0x02b: key = '=';break;/* [+] */
+ case 0x07c: key = '\'';break;/* [|] */
+ case 0x07d: key = '[';break;/* [}] */
+ case 0x07b: key = ']';break;/* [{] */
+ case 0x022: key = '\'';break;/* ["] */
+ case 0x03a: key = ';';break;/* [:] */
+ case 0x03f: key = '/';break;/* [?] */
+ case 0x03e: key = '.';break;/* [>] */
+ case 0x03c: key = ',';break;/* [<] */
+#endif
+
+ default:
+ key = *(unsigned char*)buf;
+ if (key >= 'A' && key <= 'Z')
+ key = key - 'A' + 'a';
+ break;
+ }
+
+ return key;
+}
+
+static Cursor CreateNullCursor(Display *display, Window root)
+{
+ Pixmap cursormask;
+ XGCValues xgc;
+ GC gc;
+ XColor dummycolour;
+ Cursor cursor;
+
+ cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
+ xgc.function = GXclear;
+ gc = XCreateGC(display, cursormask, GCFunction, &xgc);
+ XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
+ dummycolour.pixel = 0;
+ dummycolour.red = 0;
+ dummycolour.flags = 04;
+ cursor = XCreatePixmapCursor(display, cursormask, cursormask,
+ &dummycolour,&dummycolour, 0,0);
+ XFreePixmap(display,cursormask);
+ XFreeGC(display,gc);
+ return cursor;
+}
+
+static void install_grabs(void)
+{
+
+// inviso cursor
+ XDefineCursor(dpy, win, CreateNullCursor(dpy, win));
+
+ XGrabPointer(dpy, win,
+ True,
+ 0,
+ GrabModeAsync, GrabModeAsync,
+ win,
+ None,
+ CurrentTime);
+
+ if (in_dgamouse.value) {
+ int MajorVersion, MinorVersion;
+
+ if (!XF86DGAQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
+ // unable to query, probalby not supported
+ Con_Printf( "Failed to detect XF86DGA Mouse\n" );
+ in_dgamouse.value = 0;
+ } else {
+ dgamouse = true;
+ XF86DGADirectVideo(dpy, DefaultScreen(dpy), XF86DGADirectMouse);
+ XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
+ }
+ } else {
+ XWarpPointer(dpy, None, win,
+ 0, 0, 0, 0,
+ vid.width / 2, vid.height / 2);
+ }
+
+ XGrabKeyboard(dpy, win,
+ False,
+ GrabModeAsync, GrabModeAsync,
+ CurrentTime);
+
+ mouse_active = true;
+
+// XSync(dpy, True);
+}
+
+static void uninstall_grabs(void)
+{
+ if (!dpy || !win)
+ return;
+
+ if (dgamouse) {
+ dgamouse = false;
+ XF86DGADirectVideo(dpy, DefaultScreen(dpy), 0);
+ }
+
+ XUngrabPointer(dpy, CurrentTime);
+ XUngrabKeyboard(dpy, CurrentTime);
+
+// inviso cursor
+ XUndefineCursor(dpy, win);
+
+ mouse_active = false;
+}
+
+static void HandleEvents(void)
+{
+ XEvent event;
+ KeySym ks;
+ int b;
+ qboolean dowarp = false;
+ int mwx = vid.width/2;
+ int mwy = vid.height/2;
+
+ if (!dpy)
+ return;
+
+ while (XPending(dpy)) {
+ XNextEvent(dpy, &event);
+
+ switch (event.type) {
+ case KeyPress:
+ case KeyRelease:
+ Key_Event(XLateKey(&event.xkey), event.type == KeyPress);
+ break;
+
+ case MotionNotify:
+ if (mouse_active) {
+ if (dgamouse) {
+ mx += (event.xmotion.x + win_x) * 2;
+ my += (event.xmotion.y + win_y) * 2;
+ }
+ else
+ {
+ mx += ((int)event.xmotion.x - mwx) * 2;
+ my += ((int)event.xmotion.y - mwy) * 2;
+ mwx = event.xmotion.x;
+ mwy = event.xmotion.y;
+
+ if (mx || my)
+ dowarp = true;
+ }
+ }
+ break;
+
+ break;
+
+ case ButtonPress:
+ b=-1;
+ if (event.xbutton.button == 1)
+ b = 0;
+ else if (event.xbutton.button == 2)
+ b = 2;
+ else if (event.xbutton.button == 3)
+ b = 1;
+ if (b>=0)
+ Key_Event(K_MOUSE1 + b, true);
+ break;
+
+ case ButtonRelease:
+ b=-1;
+ if (event.xbutton.button == 1)
+ b = 0;
+ else if (event.xbutton.button == 2)
+ b = 2;
+ else if (event.xbutton.button == 3)
+ b = 1;
+ if (b>=0)
+ Key_Event(K_MOUSE1 + b, false);
+ break;
+
+ case CreateNotify :
+ win_x = event.xcreatewindow.x;
+ win_y = event.xcreatewindow.y;
+ break;
+
+ case ConfigureNotify :
+ win_x = event.xconfigure.x;
+ win_y = event.xconfigure.y;
+ break;
+ }
+ }
+
+ if (dowarp) {
+ /* move the mouse to the window center again */
+ XWarpPointer(dpy, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2);
+ }
+
+}
+
+static void IN_DeactivateMouse( void )
+{
+ if (!mouse_avail || !dpy || !win)
+ return;
+
+ if (mouse_active) {
+ uninstall_grabs();
+ mouse_active = false;
+ }
+}
+
+static void IN_ActivateMouse( void )
+{
+ if (!mouse_avail || !dpy || !win)
+ return;
+
+ if (!mouse_active) {
+ mx = my = 0; // don't spazz
+ install_grabs();
+ mouse_active = true;
+ }
+}
+
+
+void VID_Shutdown(void)
+{
+ if (!ctx || !dpy)
+ return;
+ IN_DeactivateMouse();
+ if (dpy) {
+ if (ctx)
+ glXDestroyContext(dpy, ctx);
+ if (win)
+ XDestroyWindow(dpy, win);
+ if (vidmode_active)
+ XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[0]);
+ XCloseDisplay(dpy);
+ }
+ vidmode_active = false;
+ dpy = NULL;
+ win = 0;
+ ctx = NULL;
+}
+
+void signal_handler(int sig)
+{
+ printf("Received signal %d, exiting...\n", sig);
+ Sys_Quit();
+ exit(0);
+}
+
+void InitSig(void)
+{
+ signal(SIGHUP, signal_handler);
+ signal(SIGINT, signal_handler);
+ signal(SIGQUIT, signal_handler);
+ signal(SIGILL, signal_handler);
+ signal(SIGTRAP, signal_handler);
+ signal(SIGIOT, signal_handler);
+ signal(SIGBUS, signal_handler);
+ signal(SIGFPE, signal_handler);
+ signal(SIGSEGV, signal_handler);
+ signal(SIGTERM, signal_handler);
+}
+
+void VID_ShiftPalette(unsigned char *p)
+{
+// VID_SetPalette(p);
+}
+
+void VID_SetPalette (unsigned char *palette)
+{
+ byte *pal;
+ unsigned r,g,b;
+ unsigned v;
+ int r1,g1,b1;
+ int j,k,l,m;
+ unsigned short i;
+ unsigned *table;
+ FILE *f;
+ char s[255];
+ int dist, bestdist;
+
+//
+// 8 8 8 encoding
+//
+ pal = palette;
+ table = d_8to24table;
+ for (i=0 ; i<256 ; i++)
+ {
+ r = pal[0];
+ g = pal[1];
+ b = pal[2];
+ pal += 3;
+
+ v = (255<<24) + (r<<0) + (g<<8) + (b<<16);
+ *table++ = v;
+ }
+ d_8to24table[255] &= 0xffffff; // 255 is transparent
+
+ for (i=0; i < (1<<15); i++) {
+ /* Maps
+ 000000000000000
+ 000000000011111 = Red = 0x1F
+ 000001111100000 = Blue = 0x03E0
+ 111110000000000 = Grn = 0x7C00
+ */
+ r = ((i & 0x1F) << 3)+4;
+ g = ((i & 0x03E0) >> 2)+4;
+ b = ((i & 0x7C00) >> 7)+4;
+ pal = (unsigned char *)d_8to24table;
+ for (v=0,k=0,bestdist=10000*10000; v<256; v++,pal+=4) {
+ r1 = (int)r - (int)pal[0];
+ g1 = (int)g - (int)pal[1];
+ b1 = (int)b - (int)pal[2];
+ dist = (r1*r1)+(g1*g1)+(b1*b1);
+ if (dist < bestdist) {
+ k=v;
+ bestdist = dist;
+ }
+ }
+ d_15to8table[i]=k;
+ }
+}
+
+void CheckMultiTextureExtensions(void)
+{
+ void *prjobj;
+
+ if (strstr(gl_extensions, "GL_SGIS_multitexture ") && !COM_CheckParm("-nomtex")) {
+ Con_Printf("Found GL_SGIS_multitexture...\n");
+
+ if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL) {
+ Con_Printf("Unable to open symbol list for main program.\n");
+ return;
+ }
+
+ qglMTexCoord2fSGIS = (void *) dlsym(prjobj, "glMTexCoord2fSGIS");
+ qglSelectTextureSGIS = (void *) dlsym(prjobj, "glSelectTextureSGIS");
+
+ if (qglMTexCoord2fSGIS && qglSelectTextureSGIS) {
+ Con_Printf("Multitexture extensions found.\n");
+ gl_mtexable = true;
+ } else
+ Con_Printf("Symbol not found, disabled.\n");
+
+ dlclose(prjobj);
+ }
+}
+
+/*
+===============
+GL_Init
+===============
+*/
+void GL_Init (void)
+{
+ gl_vendor = glGetString (GL_VENDOR);
+ Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
+ gl_renderer = glGetString (GL_RENDERER);
+ Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
+
+ gl_version = glGetString (GL_VERSION);
+ Con_Printf ("GL_VERSION: %s\n", gl_version);
+ gl_extensions = glGetString (GL_EXTENSIONS);
+ Con_Printf ("Printing GL_EXTENSIONS string was causing buffer overflow. Kind of fixed by not printing it at all.");
+ //Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
+
+// Con_Printf ("%s %s\n", gl_renderer, gl_version);
+
+ CheckMultiTextureExtensions ();
+
+ glClearColor (1,0,0,0);
+ glCullFace(GL_FRONT);
+ glEnable(GL_TEXTURE_2D);
+
+ glEnable(GL_ALPHA_TEST);
+ glAlphaFunc(GL_GREATER, 0.666);
+
+ glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
+ glShadeModel (GL_FLAT);
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+// glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+}
+
+/*
+=================
+GL_BeginRendering
+
+=================
+*/
+void GL_BeginRendering (int *x, int *y, int *width, int *height)
+{
+ extern cvar_t gl_clear;
+
+ *x = *y = 0;
+ *width = scr_width;
+ *height = scr_height;
+
+// if (!wglMakeCurrent( maindc, baseRC ))
+// Sys_Error ("wglMakeCurrent failed");
+
+// glViewport (*x, *y, *width, *height);
+}
+
+
+void GL_EndRendering (void)
+{
+ glFlush();
+ glXSwapBuffers(dpy, win);
+}
+
+qboolean VID_Is8bit(void)
+{
+ return is8bit;
+}
+
+void VID_Init8bitPalette(void)
+{
+ // Check for 8bit Extensions and initialize them.
+ int i;
+ void *prjobj;
+
+ if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL) {
+ Con_Printf("Unable to open symbol list for main program.\n");
+ return;
+ }
+
+ if (strstr(gl_extensions, "3DFX_set_global_palette") &&
+ (qgl3DfxSetPaletteEXT = dlsym(prjobj, "gl3DfxSetPaletteEXT")) != NULL) {
+ GLubyte table[256][4];
+ char *oldpal;
+
+ Con_SafePrintf("8-bit GL extensions enabled.\n");
+ glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
+ oldpal = (char *) d_8to24table; //d_8to24table3dfx;
+ for (i=0;i<256;i++) {
+ table[i][2] = *oldpal++;
+ table[i][1] = *oldpal++;
+ table[i][0] = *oldpal++;
+ table[i][3] = 255;
+ oldpal++;
+ }
+ qgl3DfxSetPaletteEXT((GLuint *)table);
+ is8bit = true;
+
+ } else if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") &&
+ (qglColorTableEXT = dlsym(prjobj, "glColorTableEXT")) != NULL) {
+ char thePalette[256*3];
+ char *oldPalette, *newPalette;
+
+ Con_SafePrintf("8-bit GL extensions enabled.\n");
+ glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
+ oldPalette = (char *) d_8to24table; //d_8to24table3dfx;
+ newPalette = thePalette;
+ for (i=0;i<256;i++) {
+ *newPalette++ = *oldPalette++;
+ *newPalette++ = *oldPalette++;
+ *newPalette++ = *oldPalette++;
+ oldPalette++;
+ }
+ qglColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette);
+ is8bit = true;
+ }
+
+ dlclose(prjobj);
+}
+
+static void Check_Gamma (unsigned char *pal)
+{
+ float f, inf;
+ unsigned char palette[768];
+ int i;
+
+ if ((i = COM_CheckParm("-gamma")) == 0) {
+ if ((gl_renderer && strstr(gl_renderer, "Voodoo")) ||
+ (gl_vendor && strstr(gl_vendor, "3Dfx")))
+ vid_gamma = 1;
+ else
+ vid_gamma = 0.7; // default to 0.7 on non-3dfx hardware
+ } else
+ vid_gamma = Q_atof(com_argv[i+1]);
+
+ for (i=0 ; i<768 ; i++)
+ {
+ f = pow ( (pal[i]+1)/256.0 , vid_gamma );
+ inf = f*255 + 0.5;
+ if (inf < 0)
+ inf = 0;
+ if (inf > 255)
+ inf = 255;
+ palette[i] = inf;
+ }
+
+ memcpy (pal, palette, sizeof(palette));
+}
+
+void VID_Init(unsigned char *palette)
+{
+ int i;
+ int attrib[] = {
+ GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ GLX_DOUBLEBUFFER,
+ GLX_DEPTH_SIZE, 1,
+ None
+ };
+ char gldir[MAX_OSPATH];
+ int width = 640, height = 480;
+ XSetWindowAttributes attr;
+ unsigned long mask;
+ Window root;
+ XVisualInfo *visinfo;
+ qboolean fullscreen = true;
+ int MajorVersion, MinorVersion;
+ int actualWidth, actualHeight;
+
+ Cvar_RegisterVariable (&vid_mode);
+ Cvar_RegisterVariable (&in_mouse);
+ Cvar_RegisterVariable (&in_dgamouse);
+ Cvar_RegisterVariable (&m_filter);
+ Cvar_RegisterVariable (&gl_ztrick);
+
+ vid.maxwarpwidth = WARP_WIDTH;
+ vid.maxwarpheight = WARP_HEIGHT;
+ vid.colormap = host_colormap;
+ vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
+
+// interpret command-line params
+
+// set vid parameters
+ if ((i = COM_CheckParm("-window")) != 0)
+ fullscreen = false;
+
+ if ((i = COM_CheckParm("-width")) != 0)
+ width = atoi(com_argv[i+1]);
+
+ if ((i = COM_CheckParm("-height")) != 0)
+ height = atoi(com_argv[i+1]);
+
+ if ((i = COM_CheckParm("-conwidth")) != 0)
+ vid.conwidth = Q_atoi(com_argv[i+1]);
+ else
+ vid.conwidth = 640;
+
+ vid.conwidth &= 0xfff8; // make it a multiple of eight
+
+ if (vid.conwidth < 320)
+ vid.conwidth = 320;
+
+ // pick a conheight that matches with correct aspect
+ vid.conheight = vid.conwidth*3 / 4;
+
+ if ((i = COM_CheckParm("-conheight")) != 0)
+ vid.conheight = Q_atoi(com_argv[i+1]);
+ if (vid.conheight < 200)
+ vid.conheight = 200;
+
+ if (!(dpy = XOpenDisplay(NULL))) {
+ fprintf(stderr, "Error couldn't open the X display\n");
+ exit(1);
+ }
+
+ scrnum = DefaultScreen(dpy);
+ root = RootWindow(dpy, scrnum);
+
+ // Get video mode list
+ MajorVersion = MinorVersion = 0;
+ if (!XF86VidModeQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
+ vidmode_ext = false;
+ } else {
+ Con_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
+ vidmode_ext = true;
+ }
+
+ visinfo = glXChooseVisual(dpy, scrnum, attrib);
+ if (!visinfo) {
+ fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
+ exit(1);
+ }
+
+ if (vidmode_ext) {
+ int best_fit, best_dist, dist, x, y;
+
+ XF86VidModeGetAllModeLines(dpy, scrnum, &num_vidmodes, &vidmodes);
+
+ // Are we going fullscreen? If so, let's change video mode
+ if (fullscreen) {
+ best_dist = 9999999;
+ best_fit = -1;
+
+ for (i = 0; i < num_vidmodes; i++) {
+ if (width > vidmodes[i]->hdisplay ||
+ height > vidmodes[i]->vdisplay)
+ continue;
+
+ x = width - vidmodes[i]->hdisplay;
+ y = height - vidmodes[i]->vdisplay;
+ dist = (x * x) + (y * y);
+ if (dist < best_dist) {
+ best_dist = dist;
+ best_fit = i;
+ }
+ }
+
+ if (best_fit != -1) {
+ actualWidth = vidmodes[best_fit]->hdisplay;
+ actualHeight = vidmodes[best_fit]->vdisplay;
+
+ // change to the mode
+ XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[best_fit]);
+ vidmode_active = true;
+
+ // Move the viewport to top left
+ XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
+ } else
+ fullscreen = 0;
+ }
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
+ attr.event_mask = X_MASK;
+ if (vidmode_active) {
+ mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore |
+ CWEventMask | CWOverrideRedirect;
+ attr.override_redirect = True;
+ attr.backing_store = NotUseful;
+ attr.save_under = False;
+ } else
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow(dpy, root, 0, 0, width, height,
+ 0, visinfo->depth, InputOutput,
+ visinfo->visual, mask, &attr);
+ XMapWindow(dpy, win);
+
+ if (vidmode_active) {
+ XMoveWindow(dpy, win, 0, 0);
+ XRaiseWindow(dpy, win);
+ XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
+ XFlush(dpy);
+ // Move the viewport to top left
+ XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
+ }
+ mouse_avail = true;
+ XFlush(dpy);
+
+ ctx = glXCreateContext(dpy, visinfo, NULL, True);
+
+ glXMakeCurrent(dpy, win, ctx);
+
+ scr_width = width;
+ scr_height = height;
+
+ if (vid.conheight > height)
+ vid.conheight = height;
+ if (vid.conwidth > width)
+ vid.conwidth = width;
+ vid.width = vid.conwidth;
+ vid.height = vid.conheight;
+
+ vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
+ vid.numpages = 2;
+
+ InitSig(); // trap evil signals
+
+ GL_Init();
+
+ sprintf (gldir, "%s/glquake", com_gamedir);
+ Sys_mkdir (gldir);
+
+ VID_SetPalette(palette);
+
+ // Check for 3DFX Extensions and initialize them.
+ VID_Init8bitPalette();
+
+ Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
+
+ vid.recalc_refdef = 1; // force a surface cache flush
+}
+
+void Sys_SendKeyEvents(void)
+{
+ HandleEvents();
+}
+
+void Force_CenterView_f (void)
+{
+ cl.viewangles[PITCH] = 0;
+}
+
+void IN_Init(void)
+{
+}
+
+void IN_Shutdown(void)
+{
+}
+
+/*
+===========
+IN_Commands
+===========
+*/
+void IN_Commands (void)
+{
+ if (!dpy || !win)
+ return;
+
+ if (vidmode_active || key_dest == key_game)
+ IN_ActivateMouse();
+ else
+ IN_DeactivateMouse ();
+}
+
+/*
+===========
+IN_Move
+===========
+*/
+void IN_MouseMove (usercmd_t *cmd)
+{
+ if (!mouse_avail)
+ return;
+
+ if (m_filter.value)
+ {
+ mx = (mx + old_mouse_x) * 0.5;
+ my = (my + old_mouse_y) * 0.5;
+ }
+ old_mouse_x = mx;
+ old_mouse_y = my;
+
+ mx *= sensitivity.value;
+ my *= sensitivity.value;
+
+// add mouse X/Y movement to cmd
+ if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
+ cmd->sidemove += m_side.value * mx;
+ else
+ cl.viewangles[YAW] -= m_yaw.value * mx;
+
+ if (in_mlook.state & 1)
+ V_StopPitchDrift ();
+
+ if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
+ {
+ cl.viewangles[PITCH] += m_pitch.value * my;
+ if (cl.viewangles[PITCH] > 80)
+ cl.viewangles[PITCH] = 80;
+ if (cl.viewangles[PITCH] < -70)
+ cl.viewangles[PITCH] = -70;
+ }
+ else
+ {
+ if ((in_strafe.state & 1) && noclip_anglehack)
+ cmd->upmove -= m_forward.value * my;
+ else
+ cmd->forwardmove -= m_forward.value * my;
+ }
+ mx = my = 0;
+}
+
+void IN_Move (usercmd_t *cmd)
+{
+ IN_MouseMove(cmd);
+}
+
+
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