1/*
2 * Mesa 3-D graphics library
3 * Version:  7.6
4 *
5 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
6 * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27/**
28 * glXGetProcAddress()
29 */
30
31
32#define GLX_GLXEXT_PROTOTYPES
33
34#include <string.h>
35#include "GL/glx.h"
36#include "glapi/glapi.h"
37
38
39struct name_address_pair {
40   const char *Name;
41   __GLXextFuncPtr Address;
42};
43
44
45static struct name_address_pair GLX_functions[] = {
46   /*** GLX_VERSION_1_0 ***/
47   { "glXChooseVisual", (__GLXextFuncPtr) glXChooseVisual },
48   { "glXCopyContext", (__GLXextFuncPtr) glXCopyContext },
49   { "glXCreateContext", (__GLXextFuncPtr) glXCreateContext },
50   { "glXCreateGLXPixmap", (__GLXextFuncPtr) glXCreateGLXPixmap },
51   { "glXDestroyContext", (__GLXextFuncPtr) glXDestroyContext },
52   { "glXDestroyGLXPixmap", (__GLXextFuncPtr) glXDestroyGLXPixmap },
53   { "glXGetConfig", (__GLXextFuncPtr) glXGetConfig },
54   { "glXGetCurrentContext", (__GLXextFuncPtr) glXGetCurrentContext },
55   { "glXGetCurrentDrawable", (__GLXextFuncPtr) glXGetCurrentDrawable },
56   { "glXIsDirect", (__GLXextFuncPtr) glXIsDirect },
57   { "glXMakeCurrent", (__GLXextFuncPtr) glXMakeCurrent },
58   { "glXQueryExtension", (__GLXextFuncPtr) glXQueryExtension },
59   { "glXQueryVersion", (__GLXextFuncPtr) glXQueryVersion },
60   { "glXSwapBuffers", (__GLXextFuncPtr) glXSwapBuffers },
61   { "glXUseXFont", (__GLXextFuncPtr) glXUseXFont },
62   { "glXWaitGL", (__GLXextFuncPtr) glXWaitGL },
63   { "glXWaitX", (__GLXextFuncPtr) glXWaitX },
64
65   /*** GLX_VERSION_1_1 ***/
66   { "glXGetClientString", (__GLXextFuncPtr) glXGetClientString },
67   { "glXQueryExtensionsString", (__GLXextFuncPtr) glXQueryExtensionsString },
68   { "glXQueryServerString", (__GLXextFuncPtr) glXQueryServerString },
69
70   /*** GLX_VERSION_1_2 ***/
71   { "glXGetCurrentDisplay", (__GLXextFuncPtr) glXGetCurrentDisplay },
72
73   /*** GLX_VERSION_1_3 ***/
74   { "glXChooseFBConfig", (__GLXextFuncPtr) glXChooseFBConfig },
75   { "glXCreateNewContext", (__GLXextFuncPtr) glXCreateNewContext },
76   { "glXCreatePbuffer", (__GLXextFuncPtr) glXCreatePbuffer },
77   { "glXCreatePixmap", (__GLXextFuncPtr) glXCreatePixmap },
78   { "glXCreateWindow", (__GLXextFuncPtr) glXCreateWindow },
79   { "glXDestroyPbuffer", (__GLXextFuncPtr) glXDestroyPbuffer },
80   { "glXDestroyPixmap", (__GLXextFuncPtr) glXDestroyPixmap },
81   { "glXDestroyWindow", (__GLXextFuncPtr) glXDestroyWindow },
82   { "glXGetCurrentReadDrawable", (__GLXextFuncPtr) glXGetCurrentReadDrawable },
83   { "glXGetFBConfigAttrib", (__GLXextFuncPtr) glXGetFBConfigAttrib },
84   { "glXGetFBConfigs", (__GLXextFuncPtr) glXGetFBConfigs },
85   { "glXGetSelectedEvent", (__GLXextFuncPtr) glXGetSelectedEvent },
86   { "glXGetVisualFromFBConfig", (__GLXextFuncPtr) glXGetVisualFromFBConfig },
87   { "glXMakeContextCurrent", (__GLXextFuncPtr) glXMakeContextCurrent },
88   { "glXQueryContext", (__GLXextFuncPtr) glXQueryContext },
89   { "glXQueryDrawable", (__GLXextFuncPtr) glXQueryDrawable },
90   { "glXSelectEvent", (__GLXextFuncPtr) glXSelectEvent },
91
92   /*** GLX_VERSION_1_4 ***/
93   { "glXGetProcAddress", (__GLXextFuncPtr) glXGetProcAddress },
94
95   /*** GLX_SGI_swap_control ***/
96   { "glXSwapIntervalSGI", (__GLXextFuncPtr) glXSwapIntervalSGI },
97
98   /*** GLX_SGI_video_sync ***/
99   { "glXGetVideoSyncSGI", (__GLXextFuncPtr) glXGetVideoSyncSGI },
100   { "glXWaitVideoSyncSGI", (__GLXextFuncPtr) glXWaitVideoSyncSGI },
101
102   /*** GLX_SGI_make_current_read ***/
103   { "glXMakeCurrentReadSGI", (__GLXextFuncPtr) glXMakeCurrentReadSGI },
104   { "glXGetCurrentReadDrawableSGI", (__GLXextFuncPtr) glXGetCurrentReadDrawableSGI },
105
106   /*** GLX_SGIX_video_source ***/
107#if defined(_VL_H)
108   { "glXCreateGLXVideoSourceSGIX", (__GLXextFuncPtr) glXCreateGLXVideoSourceSGIX },
109   { "glXDestroyGLXVideoSourceSGIX", (__GLXextFuncPtr) glXDestroyGLXVideoSourceSGIX },
110#endif
111
112   /*** GLX_EXT_import_context ***/
113   { "glXFreeContextEXT", (__GLXextFuncPtr) glXFreeContextEXT },
114   { "glXGetContextIDEXT", (__GLXextFuncPtr) glXGetContextIDEXT },
115   { "glXGetCurrentDisplayEXT", (__GLXextFuncPtr) glXGetCurrentDisplayEXT },
116   { "glXImportContextEXT", (__GLXextFuncPtr) glXImportContextEXT },
117   { "glXQueryContextInfoEXT", (__GLXextFuncPtr) glXQueryContextInfoEXT },
118
119   /*** GLX_SGIX_fbconfig ***/
120   { "glXGetFBConfigAttribSGIX", (__GLXextFuncPtr) glXGetFBConfigAttribSGIX },
121   { "glXChooseFBConfigSGIX", (__GLXextFuncPtr) glXChooseFBConfigSGIX },
122   { "glXCreateGLXPixmapWithConfigSGIX", (__GLXextFuncPtr) glXCreateGLXPixmapWithConfigSGIX },
123   { "glXCreateContextWithConfigSGIX", (__GLXextFuncPtr) glXCreateContextWithConfigSGIX },
124   { "glXGetVisualFromFBConfigSGIX", (__GLXextFuncPtr) glXGetVisualFromFBConfigSGIX },
125   { "glXGetFBConfigFromVisualSGIX", (__GLXextFuncPtr) glXGetFBConfigFromVisualSGIX },
126
127   /*** GLX_SGIX_pbuffer ***/
128   { "glXCreateGLXPbufferSGIX", (__GLXextFuncPtr) glXCreateGLXPbufferSGIX },
129   { "glXDestroyGLXPbufferSGIX", (__GLXextFuncPtr) glXDestroyGLXPbufferSGIX },
130   { "glXQueryGLXPbufferSGIX", (__GLXextFuncPtr) glXQueryGLXPbufferSGIX },
131   { "glXSelectEventSGIX", (__GLXextFuncPtr) glXSelectEventSGIX },
132   { "glXGetSelectedEventSGIX", (__GLXextFuncPtr) glXGetSelectedEventSGIX },
133
134   /*** GLX_SGI_cushion ***/
135   { "glXCushionSGI", (__GLXextFuncPtr) glXCushionSGI },
136
137   /*** GLX_SGIX_video_resize ***/
138   { "glXBindChannelToWindowSGIX", (__GLXextFuncPtr) glXBindChannelToWindowSGIX },
139   { "glXChannelRectSGIX", (__GLXextFuncPtr) glXChannelRectSGIX },
140   { "glXQueryChannelRectSGIX", (__GLXextFuncPtr) glXQueryChannelRectSGIX },
141   { "glXQueryChannelDeltasSGIX", (__GLXextFuncPtr) glXQueryChannelDeltasSGIX },
142   { "glXChannelRectSyncSGIX", (__GLXextFuncPtr) glXChannelRectSyncSGIX },
143
144   /*** GLX_SGIX_dmbuffer **/
145#if defined(_DM_BUFFER_H_)
146   { "glXAssociateDMPbufferSGIX", (__GLXextFuncPtr) glXAssociateDMPbufferSGIX },
147#endif
148
149   /*** GLX_SGIX_swap_group ***/
150   { "glXJoinSwapGroupSGIX", (__GLXextFuncPtr) glXJoinSwapGroupSGIX },
151
152   /*** GLX_SGIX_swap_barrier ***/
153   { "glXBindSwapBarrierSGIX", (__GLXextFuncPtr) glXBindSwapBarrierSGIX },
154   { "glXQueryMaxSwapBarriersSGIX", (__GLXextFuncPtr) glXQueryMaxSwapBarriersSGIX },
155
156   /*** GLX_SUN_get_transparent_index ***/
157   { "glXGetTransparentIndexSUN", (__GLXextFuncPtr) glXGetTransparentIndexSUN },
158
159   /*** GLX_MESA_copy_sub_buffer ***/
160   { "glXCopySubBufferMESA", (__GLXextFuncPtr) glXCopySubBufferMESA },
161
162   /*** GLX_MESA_pixmap_colormap ***/
163   { "glXCreateGLXPixmapMESA", (__GLXextFuncPtr) glXCreateGLXPixmapMESA },
164
165   /*** GLX_MESA_release_buffers ***/
166   { "glXReleaseBuffersMESA", (__GLXextFuncPtr) glXReleaseBuffersMESA },
167
168   /*** GLX_ARB_get_proc_address ***/
169   { "glXGetProcAddressARB", (__GLXextFuncPtr) glXGetProcAddressARB },
170
171   /*** GLX_ARB_create_context ***/
172   { "glXCreateContextAttribsARB", (__GLXextFuncPtr) glXCreateContextAttribsARB },
173
174   /*** GLX_EXT_texture_from_pixmap ***/
175   { "glXBindTexImageEXT", (__GLXextFuncPtr) glXBindTexImageEXT },
176   { "glXReleaseTexImageEXT", (__GLXextFuncPtr) glXReleaseTexImageEXT },
177
178   { NULL, NULL }   /* end of list */
179};
180
181
182
183/**
184 * Return address of named glX function, or NULL if not found.
185 */
186static __GLXextFuncPtr
187_glxapi_get_proc_address(const char *funcName)
188{
189   GLuint i;
190   for (i = 0; GLX_functions[i].Name; i++) {
191      if (strcmp(GLX_functions[i].Name, funcName) == 0)
192         return GLX_functions[i].Address;
193   }
194   return NULL;
195}
196
197
198PUBLIC __GLXextFuncPtr
199glXGetProcAddressARB(const GLubyte *procName)
200{
201   __GLXextFuncPtr f;
202
203   f = _glxapi_get_proc_address((const char *) procName);
204   if (f) {
205      return f;
206   }
207
208   f = (__GLXextFuncPtr) _glapi_get_proc_address((const char *) procName);
209   return f;
210}
211
212
213/* GLX 1.4 */
214PUBLIC
215void (*glXGetProcAddress(const GLubyte *procName))()
216{
217   return glXGetProcAddressARB(procName);
218}
219