1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 26 #ifndef _glxapi_h_ 27 #define _glxapi_h_ 28 29 30 #define GLX_GLXEXT_PROTOTYPES 31 #include "GL/glx.h" 32 33 34 /* The GLX API dispatcher (i.e. this code) is being built into stand-alone 35 * Mesa. We don't know anything about XFree86 or real GLX so we define a 36 * minimal __GLXContextRec here so some of the functions in this file can 37 * work properly. 38 */ 39 typedef struct __GLXcontextRec { 40 GLboolean isDirect; 41 GLXDrawable currentDrawable; 42 GLXDrawable currentReadable; 43 XID xid; 44 } __GLXcontext; 45 46 47 /* 48 * Almost all the GLX API functions get routed through this dispatch table. 49 * The exceptions are the glXGetCurrentXXX() functions. 50 * 51 * This dispatch table allows multiple GLX client-side modules to coexist. 52 * Specifically, a real GLX library (like SGI's or the Utah GLX) and Mesa's 53 * pseudo-GLX can be present at the same time. The former being used on 54 * GLX-enabled X servers and the later on non-GLX X servers. 55 * 56 * Red Hat has been using this since Red Hat Linux 7.0 (I think). 57 * This'll be a standard feature in XFree86 4.3. It basically allows one 58 * libGL to do both DRI-rendering and "fake GLX" rendering to X displays 59 * that lack the GLX extension. 60 */ 61 struct _glxapi_table { 62 /*** GLX_VERSION_1_0 ***/ 63 XVisualInfo *(*ChooseVisual)(Display *dpy, int screen, int *list); 64 void (*CopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask); 65 GLXContext (*CreateContext)(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct); 66 GLXPixmap (*CreateGLXPixmap)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap); 67 void (*DestroyContext)(Display *dpy, GLXContext ctx); 68 void (*DestroyGLXPixmap)(Display *dpy, GLXPixmap pixmap); 69 int (*GetConfig)(Display *dpy, XVisualInfo *visinfo, int attrib, int *value); 70 GLXContext (*GetCurrentContext)(void); 71 /*GLXDrawable (*GetCurrentDrawable)(void);*/ 72 Bool (*IsDirect)(Display *dpy, GLXContext ctx); 73 Bool (*MakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx); 74 Bool (*QueryExtension)(Display *dpy, int *errorb, int *event); 75 Bool (*QueryVersion)(Display *dpy, int *maj, int *min); 76 void (*SwapBuffers)(Display *dpy, GLXDrawable drawable); 77 void (*UseXFont)(Font font, int first, int count, int listBase); 78 void (*WaitGL)(void); 79 void (*WaitX)(void); 80 81 /*** GLX_VERSION_1_1 ***/ 82 const char *(*GetClientString)(Display *dpy, int name); 83 const char *(*QueryExtensionsString)(Display *dpy, int screen); 84 const char *(*QueryServerString)(Display *dpy, int screen, int name); 85 86 /*** GLX_VERSION_1_2 ***/ 87 /*Display *(*GetCurrentDisplay)(void);*/ 88 89 /*** GLX_VERSION_1_3 ***/ 90 GLXFBConfig *(*ChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems); 91 GLXContext (*CreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct); 92 GLXPbuffer (*CreatePbuffer)(Display *dpy, GLXFBConfig config, const int *attribList); 93 GLXPixmap (*CreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList); 94 GLXWindow (*CreateWindow)(Display *dpy, GLXFBConfig config, Window win, const int *attribList); 95 void (*DestroyPbuffer)(Display *dpy, GLXPbuffer pbuf); 96 void (*DestroyPixmap)(Display *dpy, GLXPixmap pixmap); 97 void (*DestroyWindow)(Display *dpy, GLXWindow window); 98 /*GLXDrawable (*GetCurrentReadDrawable)(void);*/ 99 int (*GetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value); 100 GLXFBConfig *(*GetFBConfigs)(Display *dpy, int screen, int *nelements); 101 void (*GetSelectedEvent)(Display *dpy, GLXDrawable drawable, unsigned long *mask); 102 XVisualInfo *(*GetVisualFromFBConfig)(Display *dpy, GLXFBConfig config); 103 Bool (*MakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx); 104 int (*QueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value); 105 void (*QueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value); 106 void (*SelectEvent)(Display *dpy, GLXDrawable drawable, unsigned long mask); 107 108 /*** GLX_SGI_swap_control ***/ 109 int (*SwapIntervalSGI)(int); 110 111 /*** GLX_SGI_video_sync ***/ 112 int (*GetVideoSyncSGI)(unsigned int *count); 113 int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count); 114 115 /*** GLX_SGI_make_current_read ***/ 116 Bool (*MakeCurrentReadSGI)(Display *, GLXDrawable, GLXDrawable, GLXContext); 117 /*GLXDrawable (*GetCurrentReadDrawableSGI)(void);*/ 118 119 /*** GLX_SGIX_video_source (needs video library) ***/ 120 #if defined(_VL_H_) 121 GLXVideoSourceSGIX (*CreateGLXVideoSourceSGIX)(Display *, int, VLServer, VLPath, int, VLNode); 122 void (*DestroyGLXVideoSourceSGIX)(Display *, GLXVideoSourceSGIX); 123 #else 124 void *CreateGLXVideoSourceSGIX; 125 void *DestroyGLXVideoSourceSGIX; 126 #endif 127 128 /*** GLX_EXT_import_context ***/ 129 void (*FreeContextEXT)(Display *dpy, GLXContext context); 130 GLXContextID (*GetContextIDEXT)(const GLXContext context); 131 /*Display *(*GetCurrentDisplayEXT)(void);*/ 132 GLXContext (*ImportContextEXT)(Display *dpy, GLXContextID contextID); 133 int (*QueryContextInfoEXT)(Display *dpy, GLXContext context, int attribute,int *value); 134 135 /*** GLX_SGIX_fbconfig ***/ 136 int (*GetFBConfigAttribSGIX)(Display *, GLXFBConfigSGIX, int, int *); 137 GLXFBConfigSGIX * (*ChooseFBConfigSGIX)(Display *, int, int *, int *); 138 GLXPixmap (*CreateGLXPixmapWithConfigSGIX)(Display *, GLXFBConfigSGIX, Pixmap); 139 GLXContext (*CreateContextWithConfigSGIX)(Display *, GLXFBConfigSGIX, int, GLXContext, Bool); 140 XVisualInfo * (*GetVisualFromFBConfigSGIX)(Display *, GLXFBConfigSGIX); 141 GLXFBConfigSGIX (*GetFBConfigFromVisualSGIX)(Display *, XVisualInfo *); 142 143 /*** GLX_SGIX_pbuffer ***/ 144 GLXPbufferSGIX (*CreateGLXPbufferSGIX)(Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *); 145 void (*DestroyGLXPbufferSGIX)(Display *, GLXPbufferSGIX); 146 int (*QueryGLXPbufferSGIX)(Display *, GLXPbufferSGIX, int, unsigned int *); 147 void (*SelectEventSGIX)(Display *, GLXDrawable, unsigned long); 148 void (*GetSelectedEventSGIX)(Display *, GLXDrawable, unsigned long *); 149 150 /*** GLX_SGI_cushion ***/ 151 void (*CushionSGI)(Display *, Window, float); 152 153 /*** GLX_SGIX_video_resize ***/ 154 int (*BindChannelToWindowSGIX)(Display *, int, int, Window); 155 int (*ChannelRectSGIX)(Display *, int, int, int, int, int, int); 156 int (*QueryChannelRectSGIX)(Display *, int, int, int *, int *, int *, int *); 157 int (*QueryChannelDeltasSGIX)(Display *, int, int, int *, int *, int *, int *); 158 int (*ChannelRectSyncSGIX)(Display *, int, int, GLenum); 159 160 /*** GLX_SGIX_dmbuffer (needs dmedia library) ***/ 161 #if defined (_DM_BUFFER_H_) 162 Bool (*AssociateDMPbufferSGIX)(Display *, GLXPbufferSGIX, DMparams *, DMbuffer); 163 #else 164 void *AssociciateDMPbufferSGIX; 165 #endif 166 167 /*** GLX_SGIX_swap_group ***/ 168 void (*JoinSwapGroupSGIX)(Display *, GLXDrawable, GLXDrawable); 169 170 /*** GLX_SGIX_swap_barrier ***/ 171 void (*BindSwapBarrierSGIX)(Display *, GLXDrawable, int); 172 Bool (*QueryMaxSwapBarriersSGIX)(Display *, int, int *); 173 174 /*** GLX_SUN_get_transparent_index ***/ 175 Status (*GetTransparentIndexSUN)(Display *, Window, Window, long *); 176 177 /*** GLX_MESA_copy_sub_buffer ***/ 178 void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height); 179 180 /*** GLX_MESA_release_buffers ***/ 181 Bool (*ReleaseBuffersMESA)(Display *dpy, Window w); 182 183 /*** GLX_MESA_pixmap_colormap ***/ 184 GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap); 185 186 /*** GLX_EXT_texture_from_pixmap ***/ 187 void (*BindTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer, 188 const int *attrib_list); 189 void (*ReleaseTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer); 190 191 /*** GLX_ARB_create_context ***/ 192 GLXContext (*CreateContextAttribs)(Display *dpy, GLXFBConfig config, 193 GLXContext share_context, Bool direct, 194 const int *attrib_list); 195 }; 196 197 198 199 extern const char * 200 _glxapi_get_version(void); 201 202 203 extern const char ** 204 _glxapi_get_extensions(void); 205 206 207 extern GLuint 208 _glxapi_get_dispatch_table_size(void); 209 210 211 extern void 212 _glxapi_set_no_op_table(struct _glxapi_table *t); 213 214 215 extern __GLXextFuncPtr 216 _glxapi_get_proc_address(const char *funcName); 217 218 219 #endif 220
