mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 08:50:58 +00:00
1fce1ea12e
this is I mistakenly did so while making some other changes (which I made sure were NOT in the checkin:)
342 lines
7.2 KiB
C
342 lines
7.2 KiB
C
/*
|
|
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 <string.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
#include <GL/gl.h>
|
|
#include <GL/fxmesa.h>
|
|
#include <glide/sst1vid.h>
|
|
#include <sys/signal.h>
|
|
|
|
#ifdef HAVE_DLFCN_H
|
|
# include <dlfcn.h>
|
|
#endif
|
|
#ifndef RTLD_LAZY
|
|
# ifdef DL_LAZY
|
|
# define RTLD_LAZY DL_LAZY
|
|
# else
|
|
# define RTLD_LAZY 0
|
|
# endif
|
|
#endif
|
|
|
|
#include "console.h"
|
|
#include "glquake.h"
|
|
#include "host.h"
|
|
#include "qargs.h"
|
|
#include "qendian.h"
|
|
#include "quakefs.h"
|
|
#include "sbar.h"
|
|
#include "sys.h"
|
|
#include "va.h"
|
|
|
|
#define WARP_WIDTH 320
|
|
#define WARP_HEIGHT 200
|
|
|
|
static fxMesaContext fc = NULL;
|
|
|
|
static void *dlhand;
|
|
|
|
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);
|
|
}
|
|
|
|
typedef void (GLAPIENTRY * gl3DfxSetDitherModeEXT_FUNC) (GrDitherMode_t mode);
|
|
|
|
/*
|
|
===============
|
|
GL_Init
|
|
===============
|
|
*/
|
|
void
|
|
GL_Init (void)
|
|
{
|
|
GL_Init_Common ();
|
|
|
|
Con_Printf ("Dithering: ");
|
|
|
|
dlhand = dlopen (NULL, RTLD_LAZY);
|
|
|
|
if (dlhand == NULL) {
|
|
Con_Printf ("unable to set.\n");
|
|
return;
|
|
}
|
|
|
|
if (strstr (gl_extensions, "3DFX_set_dither_mode")) {
|
|
gl3DfxSetDitherModeEXT_FUNC dither_select = NULL;
|
|
|
|
dither_select = (void *) dlsym (dlhand, "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");
|
|
}
|
|
}
|
|
dlclose (dlhand);
|
|
dlhand = NULL;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
typedef void (GLAPIENTRY * glColorTableEXT_FUNC) (GLenum, GLenum, GLsizei,
|
|
GLenum, GLenum,
|
|
|
|
const GLvoid *);
|
|
typedef void (GLAPIENTRY * gl3DfxSetPaletteEXT_FUNC) (GLuint * pal);
|
|
|
|
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")) != 0)
|
|
vid.conwidth = 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 = atoi (com_argv[i + 1]);
|
|
if (vid.conheight < 200)
|
|
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);
|
|
|
|
if (vid.conheight > scr_height)
|
|
vid.conheight = scr_height;
|
|
if (vid.conwidth > scr_width)
|
|
vid.conwidth = scr_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 ();
|
|
|
|
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
|
|
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)
|
|
{
|
|
}
|
|
|
|
void
|
|
VID_HandlePause (qboolean paused)
|
|
{
|
|
}
|