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 Display *currentDpy; 41 GLboolean isDirect; 42 GLXDrawable currentDrawable; 43 GLXDrawable currentReadable; 44 XID xid; 45 } __GLXcontext; 46 47 48 /* 49 * Almost all the GLX API functions get routed through this dispatch table. 50 * The exceptions are the glXGetCurrentXXX() functions. 51 * 52 * This dispatch table allows multiple GLX client-side modules to coexist. 53 * Specifically, a real GLX library (like SGI's or the Utah GLX) and Mesa's 54 * pseudo-GLX can be present at the same time. The former being used on 55 * GLX-enabled X servers and the later on non-GLX X servers. 56 * 57 * Red Hat has been using this since Red Hat Linux 7.0 (I think). 58 * This'll be a standard feature in XFree86 4.3. It basically allows one 59 * libGL to do both DRI-rendering and "fake GLX" rendering to X displays 60 * that lack the GLX extension. 61 */ 62 struct _glxapi_table { 63 /*** GLX_VERSION_1_0 ***/ 64 XVisualInfo *(*ChooseVisual)(Display *dpy, int screen, int *list); 65 void (*CopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask); 66 GLXContext (*CreateContext)(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct); 67 GLXPixmap (*CreateGLXPixmap)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap); 68 void (*DestroyContext)(Display *dpy, GLXContext ctx); 69 void (*DestroyGLXPixmap)(Display *dpy, GLXPixmap pixmap); 70 int (*GetConfig)(Display *dpy, XVisualInfo *visinfo, int attrib, int *value); 71 GLXContext (*GetCurrentContext)(void); 72 /*GLXDrawable (*GetCurrentDrawable)(void);*/ 73 Bool (*IsDirect)(Display *dpy, GLXContext ctx); 74 Bool (*MakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx); 75 Bool (*QueryExtension)(Display *dpy, int *errorb, int *event); 76 Bool (*QueryVersion)(Display *dpy, int *maj, int *min); 77 void (*SwapBuffers)(Display *dpy, GLXDrawable drawable); 78 void (*UseXFont)(Font font, int first, int count, int listBase); 79 void (*WaitGL)(void); 80 void (*WaitX)(void); 81 82 /*** GLX_VERSION_1_1 ***/ 83 const char *(*GetClientString)(Display *dpy, int name); 84 const char *(*QueryExtensionsString)(Display *dpy, int screen); 85 const char *(*QueryServerString)(Display *dpy, int screen, int name); 86 87 /*** GLX_VERSION_1_2 ***/ 88 /*Display *(*GetCurrentDisplay)(void);*/ 89 90 /*** GLX_VERSION_1_3 ***/ 91 GLXFBConfig *(*ChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems); 92 GLXContext (*CreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct); 93 GLXPbuffer (*CreatePbuffer)(Display *dpy, GLXFBConfig config, const int *attribList); 94 GLXPixmap (*CreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList); 95 GLXWindow (*CreateWindow)(Display *dpy, GLXFBConfig config, Window win, const int *attribList); 96 void (*DestroyPbuffer)(Display *dpy, GLXPbuffer pbuf); 97 void (*DestroyPixmap)(Display *dpy, GLXPixmap pixmap); 98 void (*DestroyWindow)(Display *dpy, GLXWindow window); 99 /*GLXDrawable (*GetCurrentReadDrawable)(void);*/ 100 int (*GetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value); 101 GLXFBConfig *(*GetFBConfigs)(Display *dpy, int screen, int *nelements); 102 void (*GetSelectedEvent)(Display *dpy, GLXDrawable drawable, unsigned long *mask); 103 XVisualInfo *(*GetVisualFromFBConfig)(Display *dpy, GLXFBConfig config); 104 Bool (*MakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx); 105 int (*QueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value); 106 void (*QueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value); 107 void (*SelectEvent)(Display *dpy, GLXDrawable drawable, unsigned long mask); 108 109 /*** GLX_SGI_swap_control ***/ 110 int (*SwapIntervalSGI)(int); 111 112 /*** GLX_SGI_video_sync ***/ 113 int (*GetVideoSyncSGI)(unsigned int *count); 114 int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count); 115 116 /*** GLX_SGI_make_current_read ***/ 117 Bool (*MakeCurrentReadSGI)(Display *, GLXDrawable, GLXDrawable, GLXContext); 118 /*GLXDrawable (*GetCurrentReadDrawableSGI)(void);*/ 119 120 /*** GLX_SGIX_video_source (needs video library) ***/ 121 #if defined(_VL_H_) 122 GLXVideoSourceSGIX (*CreateGLXVideoSourceSGIX)(Display *, int, VLServer, VLPath, int, VLNode); 123 void (*DestroyGLXVideoSourceSGIX)(Display *, GLXVideoSourceSGIX); 124 #else 125 void *CreateGLXVideoSourceSGIX; 126 void *DestroyGLXVideoSourceSGIX; 127 #endif 128 129 /*** GLX_EXT_import_context ***/ 130 void (*FreeContextEXT)(Display *dpy, GLXContext context); 131 GLXContextID (*GetContextIDEXT)(const GLXContext context); 132 /*Display *(*GetCurrentDisplayEXT)(void);*/ 133 GLXContext (*ImportContextEXT)(Display *dpy, GLXContextID contextID); 134 int (*QueryContextInfoEXT)(Display *dpy, GLXContext context, int attribute,int *value); 135 136 /*** GLX_SGIX_fbconfig ***/ 137 int (*GetFBConfigAttribSGIX)(Display *, GLXFBConfigSGIX, int, int *); 138 GLXFBConfigSGIX * (*ChooseFBConfigSGIX)(Display *, int, int *, int *); 139 GLXPixmap (*CreateGLXPixmapWithConfigSGIX)(Display *, GLXFBConfigSGIX, Pixmap); 140 GLXContext (*CreateContextWithConfigSGIX)(Display *, GLXFBConfigSGIX, int, GLXContext, Bool); 141 XVisualInfo * (*GetVisualFromFBConfigSGIX)(Display *, GLXFBConfigSGIX); 142 GLXFBConfigSGIX (*GetFBConfigFromVisualSGIX)(Display *, XVisualInfo *); 143 144 /*** GLX_SGIX_pbuffer ***/ 145 GLXPbufferSGIX (*CreateGLXPbufferSGIX)(Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *); 146 void (*DestroyGLXPbufferSGIX)(Display *, GLXPbufferSGIX); 147 int (*QueryGLXPbufferSGIX)(Display *, GLXPbufferSGIX, int, unsigned int *); 148 void (*SelectEventSGIX)(Display *, GLXDrawable, unsigned long); 149 void (*GetSelectedEventSGIX)(Display *, GLXDrawable, unsigned long *); 150 151 /*** GLX_SGI_cushion ***/ 152 void (*CushionSGI)(Display *, Window, float); 153 154 /*** GLX_SGIX_video_resize ***/ 155 int (*BindChannelToWindowSGIX)(Display *, int, int, Window); 156 int (*ChannelRectSGIX)(Display *, int, int, int, int, int, int); 157 int (*QueryChannelRectSGIX)(Display *, int, int, int *, int *, int *, int *); 158 int (*QueryChannelDeltasSGIX)(Display *, int, int, int *, int *, int *, int *); 159 int (*ChannelRectSyncSGIX)(Display *, int, int, GLenum); 160 161 /*** GLX_SGIX_dmbuffer (needs dmedia library) ***/ 162 #if defined (_DM_BUFFER_H_) 163 Bool (*AssociateDMPbufferSGIX)(Display *, GLXPbufferSGIX, DMparams *, DMbuffer); 164 #else 165 void *AssociciateDMPbufferSGIX; 166 #endif 167 168 /*** GLX_SGIX_swap_group ***/ 169 void (*JoinSwapGroupSGIX)(Display *, GLXDrawable, GLXDrawable); 170 171 /*** GLX_SGIX_swap_barrier ***/ 172 void (*BindSwapBarrierSGIX)(Display *, GLXDrawable, int); 173 Bool (*QueryMaxSwapBarriersSGIX)(Display *, int, int *); 174 175 /*** GLX_SUN_get_transparent_index ***/ 176 Status (*GetTransparentIndexSUN)(Display *, Window, Window, long *); 177 178 /*** GLX_MESA_copy_sub_buffer ***/ 179 void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height); 180 181 /*** GLX_MESA_release_buffers ***/ 182 Bool (*ReleaseBuffersMESA)(Display *dpy, Window w); 183 184 /*** GLX_MESA_pixmap_colormap ***/ 185 GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap); 186 187 /*** GLX_MESA_set_3dfx_mode ***/ 188 Bool (*Set3DfxModeMESA)(int mode); 189 190 /*** GLX_NV_vertex_array_range ***/ 191 void * (*AllocateMemoryNV)( GLsizei size, 192 GLfloat readFrequency, 193 GLfloat writeFrequency, 194 GLfloat priority ); 195 void (*FreeMemoryNV)( GLvoid *pointer ); 196 197 /*** GLX_MESA_agp_offset ***/ 198 GLuint (*GetAGPOffsetMESA)( const GLvoid *pointer ); 199 200 /*** GLX_EXT_texture_from_pixmap ***/ 201 void (*BindTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer, 202 const int *attrib_list); 203 void (*ReleaseTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer); 204 205 /*** GLX_ARB_create_context ***/ 206 GLXContext (*CreateContextAttribs)(Display *dpy, GLXFBConfig config, 207 GLXContext share_context, Bool direct, 208 const int *attrib_list); 209 }; 210 211 212 213 extern const char * 214 _glxapi_get_version(void); 215 216 217 extern const char ** 218 _glxapi_get_extensions(void); 219 220 221 extern GLuint 222 _glxapi_get_dispatch_table_size(void); 223 224 225 extern void 226 _glxapi_set_no_op_table(struct _glxapi_table *t); 227 228 229 extern __GLXextFuncPtr 230 _glxapi_get_proc_address(const char *funcName); 231 232 233 #endif 234