ref: 120cbddefb31ed3ac9d159f32300e15c13837665
dir: /QW/client/gl_vidlinux_x11.c/
/* 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 <asm/io.h> //#include <X11/cursorfont.h> #include <X11/Xlib.h> #include <X11/Xutil.h> #include <X11/Xatom.h> #include <X11/keysym.h> #include "GL/gl.h" #include "GL/glx.h" #include "quakedef.h" #define WARP_WIDTH 320 #define WARP_HEIGHT 200 static Display *dpy = NULL; static Window win; static GLXContext ctx = NULL; unsigned short d_8to16table[256]; unsigned int d_8to24table[256]; unsigned char d_15to8table[65536]; static qboolean usedga = false; #define stringify(m) { #m, m } cvar_t vid_mode = {"vid_mode","0",false}; cvar_t mouse_button_commands[3] = { {"mouse1","+attack"}, {"mouse2","+strafe"}, {"mouse3","+forward"}, }; static int mouse_buttons=3; static int mouse_buttonstate; static int mouse_oldbuttonstate; static float mouse_x, mouse_y; static float p_mouse_x, p_mouse_y; static float old_mouse_x, old_mouse_y; cvar_t _windowed_mouse = {"_windowed_mouse", "1", true}; cvar_t m_filter = {"m_filter","0"}; static float old_windowed_mouse; static int scr_width, scr_height; #define KEY_MASK (KeyPressMask | KeyReleaseMask) #define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \ PointerMotionMask | ButtonMotionMask) /*-----------------------------------------------------------------------*/ //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; 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) { } /* ================= VID_Gamma_f Keybinding command ================= */ void VID_Gamma_f (void) { float gamma, f, inf; unsigned char palette[768]; int i; if (Cmd_Argc () == 2) { gamma = Q_atof (Cmd_Argv(1)); for (i=0 ; i<768 ; i++) { f = pow ( (host_basepal[i]+1)/256.0 , gamma ); inf = f*255 + 0.5; if (inf < 0) inf = 0; if (inf > 255) inf = 255; palette[i] = inf; } VID_SetPalette (palette); vid.recalc_refdef = 1; // force a surface cache flush } } void VID_Shutdown(void) { if (!ctx) return; XUngrabPointer(dpy,CurrentTime); XUngrabKeyboard(dpy,CurrentTime); glXDestroyContext(dpy,ctx); #ifdef USE_DGA if (usedga) XF86DGADirectVideo(dpy,DefaultScreen(dpy),0); #endif } 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 = K_AUX30; break; case XK_Insert: case XK_KP_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'; // fprintf(stdout, "case 0x0%x: key = ___;break;/* [%c] */\n", keysym); break; } return key; } struct { int key; int down; } keyq[64]; int keyq_head=0; int keyq_tail=0; int config_notify=0; int config_notify_width; int config_notify_height; qboolean Keyboard_Update(void) { XEvent x_event; if(!XCheckMaskEvent(dpy,KEY_MASK,&x_event)) return false; switch(x_event.type) { case KeyPress: keyq[keyq_head].key = XLateKey(&x_event.xkey); keyq[keyq_head].down = true; keyq_head = (keyq_head + 1) & 63; break; case KeyRelease: keyq[keyq_head].key = XLateKey(&x_event.xkey); keyq[keyq_head].down = false; keyq_head = (keyq_head + 1) & 63; break; } return true; } qboolean Mouse_Update(void) { XEvent x_event; int b; if(!XCheckMaskEvent(dpy,MOUSE_MASK,&x_event)) return false; switch(x_event.type) { case MotionNotify: if (usedga) { mouse_x += x_event.xmotion.x_root; mouse_y += x_event.xmotion.y_root; } else if (_windowed_mouse.value) { mouse_x += (float) ((int)x_event.xmotion.x - (int)(scr_width/2)); mouse_y += (float) ((int)x_event.xmotion.y - (int)(scr_height/2)); /* move the mouse to the window center again */ XSelectInput(dpy,win, (KEY_MASK | MOUSE_MASK) & ~PointerMotionMask); XWarpPointer(dpy,None,win,0,0,0,0, (scr_width/2),(scr_height/2)); XSelectInput(dpy,win, KEY_MASK | MOUSE_MASK); } else { mouse_x = (float) (x_event.xmotion.x-p_mouse_x); mouse_y = (float) (x_event.xmotion.y-p_mouse_y); p_mouse_x=x_event.xmotion.x; p_mouse_y=x_event.xmotion.y; } break; case ButtonPress: b=-1; if (x_event.xbutton.button == 1) b = 0; else if (x_event.xbutton.button == 2) b = 2; else if (x_event.xbutton.button == 3) b = 1; if (b>=0) mouse_buttonstate |= 1<<b; break; case ButtonRelease: b=-1; if (x_event.xbutton.button == 1) b = 0; else if (x_event.xbutton.button == 2) b = 2; else if (x_event.xbutton.button == 3) b = 1; if (b>=0) mouse_buttonstate &= ~(1<<b); break; } if (old_windowed_mouse != _windowed_mouse.value) { old_windowed_mouse = _windowed_mouse.value; if (!_windowed_mouse.value) { /* ungrab the pointer */ Con_Printf("Releasing mouse.\n"); XUngrabPointer(dpy,CurrentTime); XUngrabKeyboard(dpy,CurrentTime); } else { /* grab the pointer */ Con_Printf("Grabbing mouse.\n"); XGrabPointer(dpy,win,False,MOUSE_MASK,GrabModeAsync, GrabModeAsync,win,None,CurrentTime); XWarpPointer(dpy,None,win, 0,0,0,0, scr_width/2, scr_height/2); XGrabKeyboard(dpy,win, False, GrabModeAsync,GrabModeAsync, CurrentTime); //XSync(dpy,True); } } return true; } void signal_handler(int sig) { printf("Received signal %d, exiting...\n", sig); VID_Shutdown(); exit(0); } void InitSig(void) { signal(SIGHUP, 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 short r,g,b; int v; int r1,g1,b1; int k; unsigned short i; unsigned *table; FILE *f; char s[255]; float dist, bestdist; static qboolean palflag = false; // // 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<<16) + (g<<8) + (b<<0); // v = (255<<0) + (r<<8) + (g<<16) + (b<<24); v = (255<<24) + (r<<0) + (g<<8) + (b<<16); *table++ = v; } d_8to24table[255] &= 0xffffff; // 255 is transparent // JACK: 3D distance calcs - k is last closest, l is the distance. // FIXME: Precalculate this and cache to disk. if (palflag) return; palflag = true; COM_FOpenFile("glquake/15to8.pal", &f); if (f) { fread(d_15to8table, 1<<15, 1, f); fclose(f); } else { 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=10000.0; v<256; v++,pal+=4) { r1 = (int)r - (int)pal[0]; g1 = (int)g - (int)pal[1]; b1 = (int)b - (int)pal[2]; dist = sqrt(((r1*r1)+(g1*g1)+(b1*b1))); if (dist < bestdist) { k=v; bestdist = dist; } } d_15to8table[i]=k; } sprintf(s, "%s/glquake", com_gamedir); Sys_mkdir (s); sprintf(s, "%s/glquake/15to8.pal", com_gamedir); if ((f = fopen(s, "wb")) != NULL) { fwrite(d_15to8table, 1<<15, 1, f); fclose(f); } } } /* =============== 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); 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; } #ifdef GL_EXT_SHARED void VID_Init8bitPalette() { // Check for 8bit Extensions and initialize them. int i; char thePalette[256*3]; char *oldPalette, *newPalette; if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") == NULL) return; 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++; } glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette); is8bit = true; } #else extern void gl3DfxSetPaletteEXT(GLuint *pal); void VID_Init8bitPalette(void) { // Check for 8bit Extensions and initialize them. int i; GLubyte table[256][4]; char *oldpal; if (strstr(gl_extensions, "3DFX_set_global_palette") == NULL) return; 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++; } gl3DfxSetPaletteEXT((GLuint *)table); is8bit = true; } #endif void VID_Init(unsigned char *palette) { int i; char gldir[MAX_OSPATH]; int width = 640, height = 480; int attrib[] = { GLX_RGBA, GLX_RED_SIZE, 1, GLX_GREEN_SIZE, 1, GLX_BLUE_SIZE, 1, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 1, None }; int scrnum; XSetWindowAttributes attr; unsigned long mask; Window root; XVisualInfo *visinfo; S_Init(); Cvar_RegisterVariable (&vid_mode); 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("-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); visinfo=glXChooseVisual(dpy,scrnum,attrib); if (!visinfo) { fprintf(stderr, "Error couldn't get an RGB, Double-buffered, Depth visual\n"); exit(1); } /* window attributes */ attr.background_pixel=0; attr.border_pixel=0; attr.colormap=XCreateColormap(dpy,root,visinfo->visual,AllocNone); attr.event_mask=KEY_MASK|MOUSE_MASK|VisibilityChangeMask; mask=CWBackPixel|CWBorderPixel|CWColormap|CWEventMask; win=XCreateWindow(dpy,root,0,0,width,height, 0,visinfo->depth,InputOutput, visinfo->visual,mask,&attr); XMapWindow(dpy,win); XMoveWindow(dpy,win,0,0); XFlush(dpy); if (COM_CheckParm("-window")) putenv("MESA_GLX_FX=window"); else putenv("MESA_GLX_FX=fullscreen"); ctx = glXCreateContext(dpy,visinfo,NULL,True); if (!ctx) { fprintf(stderr, "Unable to create glX context.\n"); exit(1); } 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) { if (dpy) { while (Keyboard_Update()) ; while (keyq_head != keyq_tail) { Key_Event(keyq[keyq_tail].key, keyq[keyq_tail].down); keyq_tail = (keyq_tail + 1) & 63; } } } void Force_CenterView_f (void) { cl.viewangles[PITCH] = 0; } void IN_Init(void) { Cvar_RegisterVariable (&_windowed_mouse); Cvar_RegisterVariable (&m_filter); Cvar_RegisterVariable (&mouse_button_commands[0]); Cvar_RegisterVariable (&mouse_button_commands[1]); Cvar_RegisterVariable (&mouse_button_commands[2]); Cmd_AddCommand ("force_centerview", Force_CenterView_f); } void IN_Shutdown(void) { } /* =========== IN_Commands =========== */ void IN_Commands (void) { int i; for (i=0 ; i<mouse_buttons ; i++) { if ( (mouse_buttonstate & (1<<i)) && !(mouse_oldbuttonstate & (1<<i)) ) Key_Event (K_MOUSE1 + i, true); if ( !(mouse_buttonstate & (1<<i)) && (mouse_oldbuttonstate & (1<<i)) ) Key_Event (K_MOUSE1 + i, false); } mouse_oldbuttonstate = mouse_buttonstate; } /* =========== IN_Move =========== */ void IN_Move (usercmd_t *cmd) { while (Mouse_Update()) ; if (m_filter.value) { mouse_x = (mouse_x + old_mouse_x) * 0.5; mouse_y = (mouse_y + old_mouse_y) * 0.5; } old_mouse_x = mouse_x; old_mouse_y = mouse_y; mouse_x *= sensitivity.value; mouse_y *= sensitivity.value; if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) )) cmd->sidemove += m_side.value * mouse_x; else cl.viewangles[YAW] -= m_yaw.value * mouse_x; if (in_mlook.state & 1) V_StopPitchDrift (); if ( (in_mlook.state & 1) && !(in_strafe.state & 1)) { cl.viewangles[PITCH] += m_pitch.value * mouse_y; 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 * mouse_y; else cmd->forwardmove -= m_forward.value * mouse_y; } mouse_x = mouse_y = 0.0; } void VID_LockBuffer (void) {} void VID_UnlockBuffer (void) {}