mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 21:02:50 +00:00
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/*
|
|
gl_stub.c
|
|
|
|
Dummy glXGetProcAddressARB function
|
|
|
|
Copyright (C)2001 Bill Currie <bill@taniwha.org>
|
|
Copyright (C)2002 Chris Ison wildcode@users.sourceforge.net
|
|
|
|
This file is part of Quakeforge and lib3Dfxgl.
|
|
|
|
Quakeforge and lib3Dfxgl are free software; you can redistribute them
|
|
and/or modify them 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.
|
|
|
|
Quakeforge and lib3Dfxgl are distributed in the hope that they 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 Quakeforge and lib3Dfxgl; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
|
|
|
|
#include <stdlib.h>
|
|
#include "3dfxstub.h"
|
|
#include "QF/GL/defines.h"
|
|
#include "QF/GL/extensions.h"
|
|
#include "QF/GL/types.h"
|
|
|
|
#include "QF/hash.h"
|
|
|
|
#define QFGL_DONT_NEED(ret, func, params) QFGL_NEED(ret, func, params)
|
|
|
|
#undef QFGL_WANT
|
|
#undef QFGL_NEED
|
|
#define QFGL_WANT(ret, name, args) \
|
|
ret GLAPIENTRY norm_##name args;
|
|
#define QFGL_NEED(ret, name, args) \
|
|
ret GLAPIENTRY norm_##name args;
|
|
#include "QF/GL/qf_funcs_list.h"
|
|
#undef QFGL_NEED
|
|
#undef QFGL_WANT
|
|
fxMesaContext norm_fxMesaCreateContext (GLuint win, GrScreenResolution_t res, GrScreenRefresh_t ref, const GLint attribList[]);
|
|
void norm_fxMesaMakeCurrent(fxMesaContext fxMesa);
|
|
void norm_fxMesaDestroyContext(fxMesaContext fxMesa);
|
|
void norm_fxMesaSwapBuffers(void);
|
|
|
|
#define QFGL_WANT(ret, name, args) \
|
|
ret GLAPIENTRY trace_##name args;
|
|
#define QFGL_NEED(ret, name, args) \
|
|
ret GLAPIENTRY trace_##name args;
|
|
#include "QF/GL/qf_funcs_list.h"
|
|
#undef QFGL_NEED
|
|
#undef QFGL_WANT
|
|
fxMesaContext trace_fxMesaCreateContext (GLuint win, GrScreenResolution_t res, GrScreenRefresh_t ref, const GLint attribList[]);
|
|
void trace_fxMesaMakeCurrent(fxMesaContext fxMesa);
|
|
void trace_fxMesaDestroyContext(fxMesaContext fxMesa);
|
|
void trace_fxMesaSwapBuffers(void);
|
|
|
|
typedef struct {
|
|
const char *name;
|
|
void *norm;
|
|
void *trace;
|
|
} gl_stub_t;
|
|
|
|
static gl_stub_t gl_stub_funcs[] = {
|
|
#define QFGL_WANT(ret, name, args) \
|
|
{#name, norm_##name, trace_##name},
|
|
#define QFGL_NEED(ret, name, args) \
|
|
{#name, norm_##name, trace_##name},
|
|
#include "QF/GL/qf_funcs_list.h"
|
|
#undef QFGL_NEED
|
|
#undef QFGL_WANT
|
|
{"fxMesaCreateContext", norm_fxMesaCreateContext, trace_fxMesaCreateContext},
|
|
{"fxMesaMakeCurrent", norm_fxMesaMakeCurrent, trace_fxMesaMakeCurrent},
|
|
{"fxMesaDestroyContext", norm_fxMesaDestroyContext, trace_fxMesaDestroyContext},
|
|
{"fxMesaSwapBuffers", norm_fxMesaSwapBuffers, trace_fxMesaSwapBuffers},
|
|
};
|
|
|
|
#define NUM_FUNCS (sizeof (gl_stub_funcs) / sizeof (gl_stub_funcs[0]))
|
|
|
|
static int
|
|
cmp (const void *a, const void *b)
|
|
{
|
|
return strcmp (((gl_stub_t *)a)->name, ((gl_stub_t *)b)->name);
|
|
}
|
|
|
|
void *
|
|
glXGetProcAddressARB (const GLubyte *procName)
|
|
{
|
|
static int called;
|
|
static int trace;
|
|
gl_stub_t *stub;
|
|
gl_stub_t key;
|
|
|
|
if (!called) {
|
|
char *glstub_trace;
|
|
|
|
qsort (gl_stub_funcs, NUM_FUNCS, sizeof (gl_stub_t), cmp);
|
|
called = 1;
|
|
|
|
glstub_trace = getenv ("GLSTUB_TRACE");
|
|
if (glstub_trace)
|
|
trace = atoi (glstub_trace);
|
|
}
|
|
key.name = procName;
|
|
stub = bsearch (&key, gl_stub_funcs, NUM_FUNCS, sizeof (gl_stub_t), cmp);
|
|
if (!stub)
|
|
return 0;
|
|
return trace ? stub->trace : stub->norm;
|
|
}
|