1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/* $Id: glxapi.h,v 1.15 2003/01/14 04:49:07 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 5.1
*
* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _glxapi_h_
#define _glxapi_h_
#define GLX_GLXEXT_PROTOTYPES
#include "GL/glx.h"
#ifdef GLX_BUILT_IN_XMESA
/* The GLX API dispatcher (i.e. this code) is being built into XFree86's
* libGL so we'll use the __GLXContextRec defined in xc/lib/GL/glx/glxclient.h
*/
#include "glxclient.h"
#else
/* The GLX API dispatcher (i.e. this code) is being built into stand-alone
* Mesa. We don't know anything about XFree86 or real GLX so we define a
* minimal __GLXContextRec here so some of the functions in this file can
* work properly.
*/
typedef struct __GLXcontextRec {
Display *currentDpy;
GLboolean isDirect;
GLXDrawable currentDrawable;
GLXDrawable currentReadable;
XID xid;
} __GLXcontext;
#endif
/*
* Almost all the GLX API functions get routed through this dispatch table.
* The exceptions are the glXGetCurrentXXX() functions.
*
* This dispatch table allows multiple GLX client-side modules to coexist.
* Specifically, a real GLX library (like SGI's or the Utah GLX) and Mesa's
* pseudo-GLX can be present at the same time. The former being used on
* GLX-enabled X servers and the later on non-GLX X servers.
*
* Red Hat has been using this since Red Hat Linux 7.0 (I think).
* This'll be a standard feature in XFree86 4.3. It basically allows one
* libGL to do both DRI-rendering and "fake GLX" rendering to X displays
* that lack the GLX extension.
*/
struct _glxapi_table {
/*** GLX_VERSION_1_0 ***/
XVisualInfo *(*ChooseVisual)(Display *dpy, int screen, int *list);
void (*CopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask);
GLXContext (*CreateContext)(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct);
GLXPixmap (*CreateGLXPixmap)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap);
void (*DestroyContext)(Display *dpy, GLXContext ctx);
void (*DestroyGLXPixmap)(Display *dpy, GLXPixmap pixmap);
int (*GetConfig)(Display *dpy, XVisualInfo *visinfo, int attrib, int *value);
/*GLXContext (*GetCurrentContext)(void);*/
/*GLXDrawable (*GetCurrentDrawable)(void);*/
Bool (*IsDirect)(Display *dpy, GLXContext ctx);
Bool (*MakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx);
Bool (*QueryExtension)(Display *dpy, int *errorb, int *event);
Bool (*QueryVersion)(Display *dpy, int *maj, int *min);
void (*SwapBuffers)(Display *dpy, GLXDrawable drawable);
void (*UseXFont)(Font font, int first, int count, int listBase);
void (*WaitGL)(void);
void (*WaitX)(void);
/*** GLX_VERSION_1_1 ***/
const char *(*GetClientString)(Display *dpy, int name);
const char *(*QueryExtensionsString)(Display *dpy, int screen);
const char *(*QueryServerString)(Display *dpy, int screen, int name);
/*** GLX_VERSION_1_2 ***/
/*Display *(*GetCurrentDisplay)(void);*/
/*** GLX_VERSION_1_3 ***/
GLXFBConfig *(*ChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems);
GLXContext (*CreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct);
GLXPbuffer (*CreatePbuffer)(Display *dpy, GLXFBConfig config, const int *attribList);
GLXPixmap (*CreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList);
GLXWindow (*CreateWindow)(Display *dpy, GLXFBConfig config, Window win, const int *attribList);
void (*DestroyPbuffer)(Display *dpy, GLXPbuffer pbuf);
void (*DestroyPixmap)(Display *dpy, GLXPixmap pixmap);
void (*DestroyWindow)(Display *dpy, GLXWindow window);
/*GLXDrawable (*GetCurrentReadDrawable)(void);*/
int (*GetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value);
GLXFBConfig *(*GetFBConfigs)(Display *dpy, int screen, int *nelements);
void (*GetSelectedEvent)(Display *dpy, GLXDrawable drawable, unsigned long *mask);
XVisualInfo *(*GetVisualFromFBConfig)(Display *dpy, GLXFBConfig config);
Bool (*MakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
int (*QueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value);
void (*QueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
void (*SelectEvent)(Display *dpy, GLXDrawable drawable, unsigned long mask);
/*** GLX_SGI_swap_control ***/
int (*SwapIntervalSGI)(int);
/*** GLX_SGI_video_sync ***/
int (*GetVideoSyncSGI)(unsigned int *count);
int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count);
/*** GLX_SGI_make_current_read ***/
Bool (*MakeCurrentReadSGI)(Display *, GLXDrawable, GLXDrawable, GLXContext);
/*GLXDrawable (*GetCurrentReadDrawableSGI)(void);*/
/*** GLX_SGIX_video_source (needs video library) ***/
#if defined(_VL_H_)
GLXVideoSourceSGIX (*CreateGLXVideoSourceSGIX)(Display *, int, VLServer, VLPath, int, VLNode);
void (*DestroyGLXVideoSourceSGIX)(Display *, GLXVideoSourceSGIX);
#else
void *CreateGLXVideoSourceSGIX;
void *DestroyGLXVideoSourceSGIX;
#endif
/*** GLX_EXT_import_context ***/
void (*FreeContextEXT)(Display *dpy, GLXContext context);
GLXContextID (*GetContextIDEXT)(const GLXContext context);
/*Display *(*GetCurrentDisplayEXT)(void);*/
GLXContext (*ImportContextEXT)(Display *dpy, GLXContextID contextID);
int (*QueryContextInfoEXT)(Display *dpy, GLXContext context, int attribute,int *value);
/*** GLX_SGIX_fbconfig ***/
int (*GetFBConfigAttribSGIX)(Display *, GLXFBConfigSGIX, int, int *);
GLXFBConfigSGIX * (*ChooseFBConfigSGIX)(Display *, int, int *, int *);
GLXPixmap (*CreateGLXPixmapWithConfigSGIX)(Display *, GLXFBConfigSGIX, Pixmap);
GLXContext (*CreateContextWithConfigSGIX)(Display *, GLXFBConfigSGIX, int, GLXContext, Bool);
XVisualInfo * (*GetVisualFromFBConfigSGIX)(Display *, GLXFBConfigSGIX);
GLXFBConfigSGIX (*GetFBConfigFromVisualSGIX)(Display *, XVisualInfo *);
/*** GLX_SGIX_pbuffer ***/
GLXPbufferSGIX (*CreateGLXPbufferSGIX)(Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *);
void (*DestroyGLXPbufferSGIX)(Display *, GLXPbufferSGIX);
int (*QueryGLXPbufferSGIX)(Display *, GLXPbufferSGIX, int, unsigned int *);
void (*SelectEventSGIX)(Display *, GLXDrawable, unsigned long);
void (*GetSelectedEventSGIX)(Display *, GLXDrawable, unsigned long *);
/*** GLX_SGI_cushion ***/
void (*CushionSGI)(Display *, Window, float);
/*** GLX_SGIX_video_resize ***/
int (*BindChannelToWindowSGIX)(Display *, int, int, Window);
int (*ChannelRectSGIX)(Display *, int, int, int, int, int, int);
int (*QueryChannelRectSGIX)(Display *, int, int, int *, int *, int *, int *);
int (*QueryChannelDeltasSGIX)(Display *, int, int, int *, int *, int *, int *);
int (*ChannelRectSyncSGIX)(Display *, int, int, GLenum);
/*** GLX_SGIX_dmbuffer (needs dmedia library) ***/
#if defined (_DM_BUFFER_H_)
Bool (*AssociateDMPbufferSGIX)(Display *, GLXPbufferSGIX, DMparams *, DMbuffer);
#else
void *AssociciateDMPbufferSGIX;
#endif
/*** GLX_SGIX_swap_group ***/
void (*JoinSwapGroupSGIX)(Display *, GLXDrawable, GLXDrawable);
/*** GLX_SGIX_swap_barrier ***/
void (*BindSwapBarrierSGIX)(Display *, GLXDrawable, int);
Bool (*QueryMaxSwapBarriersSGIX)(Display *, int, int *);
/*** GLX_SUN_get_transparent_index ***/
Status (*GetTransparentIndexSUN)(Display *, Window, Window, long *);
/*** GLX_MESA_copy_sub_buffer ***/
void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
/*** GLX_MESA_release_buffers ***/
Bool (*ReleaseBuffersMESA)(Display *dpy, Window w);
/*** GLX_MESA_pixmap_colormap ***/
GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap);
/*** GLX_MESA_set_3dfx_mode ***/
Bool (*Set3DfxModeMESA)(int mode);
/*** GLX_NV_vertex_array_range ***/
void * (*AllocateMemoryNV)( GLsizei size,
GLfloat readFrequency,
GLfloat writeFrequency,
GLfloat priority );
void (*FreeMemoryNV)( GLvoid *pointer );
/*** GLX_MESA_agp_offset ***/
GLuint (*GetAGPOffsetMESA)( const GLvoid *pointer );
/*** GLX_ARB_render_texture ***/
Bool (*BindTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
Bool (*ReleaseTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
Bool (*DrawableAttribARB)(Display *dpy, GLXDrawable draw, const int *attribList);
};
extern const char *
_glxapi_get_version(void);
extern const char **
_glxapi_get_extensions(void);
extern GLuint
_glxapi_get_dispatch_table_size(void);
extern void
_glxapi_set_no_op_table(struct _glxapi_table *t);
extern const GLvoid *
_glxapi_get_proc_address(const char *funcName);
#endif
|
