mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-18 08:33:37 +00:00
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
#include <stdlib.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include <X11/cursorfont.h>
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#include "QF/GL/defines.h"
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#include "QF/GL/extensions.h"
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#include "QF/GL/types.h"
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#include "QF/hash.h"
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typedef XID GLXDrawable;
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typedef struct __GLXcontextRec *GLXContext;
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#define QFGL_DONT_NEED(ret, func, params) QFGL_NEED(ret, func, params)
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#undef QFGL_NEED
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#define QFGL_NEED(ret, name, args) \
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ret GLAPIENTRY norm_##name args;
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#include "QF/GL/qf_funcs_list.h"
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#include "glx_funcs_list.h"
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#undef QFGL_NEED
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#define QFGL_NEED(ret, name, args) \
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ret GLAPIENTRY trace_##name args;
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#include "QF/GL/qf_funcs_list.h"
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#include "glx_funcs_list.h"
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#undef QFGL_NEED
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typedef struct {
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const char *name;
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void *norm;
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void *trace;
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} gl_stub_t;
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static gl_stub_t gl_stub_funcs[] = {
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#define QFGL_NEED(ret, name, args) \
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{#name, norm_##name, trace_##name},
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#include "QF/GL/qf_funcs_list.h"
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#include "glx_funcs_list.h"
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#undef QFGL_NEED
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};
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#define NUM_FUNCS (sizeof (gl_stub_funcs) / sizeof (gl_stub_funcs[0]))
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static int
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cmp (const void *a, const void *b)
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{
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return strcmp (((gl_stub_t *)a)->name, ((gl_stub_t *)b)->name);
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}
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void *
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glXGetProcAddressARB (const GLubyte *procName)
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{
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static int called;
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static int trace;
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gl_stub_t *stub;
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gl_stub_t key;
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if (!called) {
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char *glstub_trace;
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qsort (gl_stub_funcs, NUM_FUNCS, sizeof (gl_stub_t), cmp);
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called = 1;
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glstub_trace = getenv ("GLSTUB_TRACE");
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if (glstub_trace)
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trace = atoi (glstub_trace);
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}
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key.name = procName;
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stub = bsearch (&key, gl_stub_funcs, NUM_FUNCS, sizeof (gl_stub_t), cmp);
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if (!stub)
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return 0;
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return trace ? stub->trace : stub->norm;
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}
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