/* vid_3dfxsvga.c OpenGL device driver for 3Dfx chipsets running Linux Copyright (C) 1996-1997 Id Software, Inc. Copyright (C) 1999,2000 Nelson Rush. Copyright (C) 1999,2000 contributors of the QuakeForge project Please see the file "AUTHORS" for a list of contributors 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: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA $Id$ */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifdef HAVE_STRING_H #include #endif #include #include #include #include #include "console.h" #include "glquake.h" #include "qargs.h" #include "qendian.h" #include "quakefs.h" #include "sbar.h" #include "sys.h" #include "va.h" #include "host.h" #define WARP_WIDTH 320 #define WARP_HEIGHT 200 // FIXME!!!!! This belongs in include/qfgl_ext.h -- deek typedef void (GLAPIENTRY *QF_3DfxSetDitherModeEXT) (GrDitherMode_t mode); static fxMesaContext fc = NULL; int VID_options_items = 0; extern void GL_Init_Common (void); extern void VID_Init8bitPalette (void); /*-----------------------------------------------------------------------*/ void VID_Shutdown(void) { if (!fc) return; fxMesaDestroyContext(fc); } void signal_handler(int sig) { printf("Received signal %d, exiting...\n", sig); Host_Shutdown(); abort(); // 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); } /* =============== GL_Init =============== */ void GL_Init (void) { GL_Init_Common (); Con_Printf ("Dithering: "); if (QFGL_ExtensionPresent ("3DFX_set_dither_mode")) { QF_gl3DfxSetDitherModeEXT dither_select = NULL; dither_select = QFGL_ExtensionAddress ("gl3DfxSetDitherModeEXT"); if (COM_CheckParm ("-dither_2x2")) { dither_select(GR_DITHER_2x2); Con_Printf ("2x2.\n"); } else if (COM_CheckParm ("-dither_4x4")) { dither_select(GR_DITHER_4x4); Con_Printf ("4x4.\n"); } else { glDisable(GL_DITHER); Con_Printf ("disabled.\n"); } } } void GL_EndRendering (void) { glFlush (); fxMesaSwapBuffers (); Sbar_Changed (); } static int resolutions[][3] = { { 320, 200, GR_RESOLUTION_320x200 }, { 320, 240, GR_RESOLUTION_320x240 }, { 400, 256, GR_RESOLUTION_400x256 }, { 400, 300, GR_RESOLUTION_400x300 }, { 512, 256, GR_RESOLUTION_512x256 }, { 512, 384, GR_RESOLUTION_512x384 }, { 640, 200, GR_RESOLUTION_640x200 }, { 640, 350, GR_RESOLUTION_640x350 }, { 640, 400, GR_RESOLUTION_640x400 }, { 640, 480, GR_RESOLUTION_640x480 }, { 800, 600, GR_RESOLUTION_800x600 }, { 856, 480, GR_RESOLUTION_856x480 }, { 960, 720, GR_RESOLUTION_960x720 }, #ifdef GR_RESOLUTION_1024x768 { 1024, 768, GR_RESOLUTION_1024x768 }, #endif #ifdef GR_RESOLUTION_1152x864 { 1152, 864, GR_RESOLUTION_1152x864 }, #endif #ifdef GR_RESOLUTION_1280x960 { 1280, 960, GR_RESOLUTION_1280x960 }, #endif #ifdef GR_RESOLUTION_1280x1024 { 1280, 1024, GR_RESOLUTION_1280x1024 }, #endif #ifdef GR_RESOLUTION_1600x1024 { 1600, 1024, GR_RESOLUTION_1600x1024 }, #endif #ifdef GR_RESOLUTION_1600x1200 { 1600, 1200, GR_RESOLUTION_1600x1200 }, #endif #ifdef GR_RESOLUTION_1792x1344 { 1792, 1344, GR_RESOLUTION_1792x1344 }, #endif #ifdef GR_RESOLUTION_1856x1392 { 1856, 1392, GR_RESOLUTION_1856x1392 }, #endif #ifdef GR_RESOLUTION_1920x1440 { 1920, 1440, GR_RESOLUTION_1920x1440 }, #endif #ifdef GR_RESOLUTION_2048x1536 { 2048, 1536, GR_RESOLUTION_2048x1536 }, #endif #ifdef GR_RESOLUTION_2048x2048 { 2048, 2048, GR_RESOLUTION_2048x2048 } #endif }; #define NUM_RESOLUTIONS (sizeof(resolutions)/(sizeof(int)*3)) static int findres (int *width, int *height) { int i; for(i=0; i < NUM_RESOLUTIONS; i++) { if((*width <= resolutions[i][0]) && (*height <= resolutions[i][1])) { *width = resolutions[i][0]; *height = resolutions[i][1]; return resolutions[i][2]; } } *width = 640; *height = 480; return GR_RESOLUTION_640x480; } void VID_Init (unsigned char *palette) { int i; GLint attribs[32]; VID_GetWindowSize (640, 480); 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 attribs[0] = FXMESA_DOUBLEBUFFER; attribs[1] = FXMESA_ALPHA_SIZE; attribs[2] = 1; attribs[3] = FXMESA_DEPTH_SIZE; attribs[4] = 1; attribs[5] = FXMESA_NONE; if ((i = COM_CheckParm ("-conwidth"))) vid.conwidth = atoi(com_argv[i+1]); else vid.conwidth = 640; vid.conwidth &= 0xfff8; // make it a multiple of eight vid.conwidth = max (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 = atoi(com_argv[i+1]); vid.conheight = max (vid.conheight, 200); fc = fxMesaCreateContext (0, findres (&scr_width, &scr_height), GR_REFRESH_75Hz, attribs); if (!fc) Sys_Error ("Unable to create 3DFX context.\n"); fxMesaMakeCurrent (fc); vid.width = vid.conwidth = min (vid.conwidth, scr_width); vid.height = vid.conheight = min (vid.conheight, scr_height); vid.aspect = ((float) vid.height / (float) vid.width) * (320.0 / 240.0); vid.numpages = 2; InitSig (); // trap evil signals GL_Init (); VID_SetPalette (palette); // Check for 3DFX Extensions and initialize them. VID_Init8bitPalette (); Con_Printf ("Video mode %dx%d initialized.\n", scr_width, scr_height); vid.recalc_refdef = 1; // force a surface cache flush } void VID_Init_Cvars (void) { } void VID_ExtraOptionDraw (unsigned int options_draw_cursor) { /* Port specific Options menu entrys */ } void VID_ExtraOptionCmd (int option_cursor) { /* switch(option_cursor) { case 12: // Always start with 12 break; } */ } void VID_SetCaption (char *text) { }