mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-12 05:31:59 +00:00
194 lines
4.3 KiB
C
194 lines
4.3 KiB
C
/*
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vid_sgl.c
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Video driver for OpenGL-using versions of SDL
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((used)) const char rcsid[] =
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"$Id$";
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include <SDL.h>
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/qargs.h"
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#include "QF/qendian.h"
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#include "QF/sys.h"
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#include "QF/vid.h"
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#include "QF/GL/funcs.h"
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#include "QF/GL/qf_vid.h"
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#include "compat.h"
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#include "context_sdl.h"
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#include "r_cvar.h"
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#include "sbar.h"
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#ifdef _WIN32 // FIXME: evil hack to get full DirectSound support with SDL
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# include <windows.h>
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# include <SDL_syswm.h>
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HWND mainwindow;
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#endif
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#define WARP_WIDTH 320
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#define WARP_HEIGHT 200
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int VID_options_items = 1;
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SDL_Surface *screen = NULL;
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void *
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QFGL_GetProcAddress (void *handle, const char *name)
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{
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return SDL_GL_GetProcAddress (name);
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}
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void *
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QFGL_LoadLibrary (void)
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{
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if (SDL_GL_LoadLibrary (gl_driver->string) != 0)
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Sys_Error ("Couldn't load OpenGL library %s!", gl_driver->string);
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return NULL;
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}
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static void
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GL_Init (void)
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{
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GL_Init_Common ();
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}
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VISIBLE void
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GL_EndRendering (void)
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{
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qfglFinish ();
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SDL_GL_SwapBuffers ();
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Sbar_Changed ();
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}
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void
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VID_Init (unsigned char *palette)
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{
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Uint32 flags = SDL_OPENGL;
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int i, j;
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// Initialize the SDL library
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if (SDL_Init (SDL_INIT_VIDEO) < 0)
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Sys_Error ("Couldn't initialize SDL: %s", SDL_GetError ());
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GLF_Init ();
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VID_GetWindowSize (640, 480);
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vid.maxwarpwidth = WARP_WIDTH;
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vid.maxwarpheight = WARP_HEIGHT;
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vid.colormap8 = vid_colormap;
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vid.fullbright = 256 - LittleLong (*((int *) vid.colormap8 + 2048));
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// Check if we want fullscreen
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if (vid_fullscreen->int_val) {
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flags |= SDL_FULLSCREEN;
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#ifndef _WIN32 // Don't annoy Mesa/3dfx folks
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// FIXME: Maybe this could be put in a different spot, but I don't
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// know where. Anyway, it's to work around a 3Dfx Glide bug.
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// Cvar_SetValue (in_grab, 1); // Needs #include "QF/input.h"
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putenv ((char *)"MESA_GLX_FX=fullscreen");
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} else {
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putenv ((char *)"MESA_GLX_FX=window");
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#endif
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}
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// Setup GL Attributes
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SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
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// SDL_GL_SetAttribute (SDL_GL_STENCIL_SIZE, 0); // Try for 0, 8
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// SDL_GL_SetAttribute (SDL_GL_STEREO, 1); // Someday...
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for (i = 0; i < 5; i++) {
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int k;
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int color[5] = {32, 24, 16, 15, 0};
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int rgba[5][4] = {
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{8, 8, 8, 0},
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{8, 8, 8, 8},
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{5, 6, 5, 0},
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{5, 5, 5, 0},
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{5, 5, 5, 1},
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};
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SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgba[i][0]);
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SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgba[i][1]);
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SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgba[i][2]);
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SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, rgba[i][3]);
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for (j = 0; j < 5; j++) {
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for (k = 32; k >= 16; k -= 8) {
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SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, k);
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if ((screen = SDL_SetVideoMode (vid.width, vid.height,
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color[j], flags)))
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goto success;
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}
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}
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}
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Sys_Error ("Couldn't set video mode: %s", SDL_GetError ());
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SDL_Quit ();
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success:
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vid.numpages = 2;
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GL_Init ();
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VID_SDL_GammaCheck ();
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VID_InitGamma (palette);
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VID_SetPalette (vid.palette);
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VID_Init8bitPalette (); // Check for 3DFX Extensions and initialize them.
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Sys_MaskPrintf (SYS_VID, "Video mode %dx%d initialized.\n",
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vid.width, vid.height);
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vid.initialized = true;
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SDL_ShowCursor (0); // hide the mouse pointer
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#ifdef _WIN32
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// FIXME: EVIL thing - but needed for win32 until
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// SDL_sound works better - without this DirectSound fails.
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// SDL_GetWMInfo(&info);
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// mainwindow=info.window;
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mainwindow=GetActiveWindow();
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#endif
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vid.recalc_refdef = 1; // force a surface cache flush
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}
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