src/mesa/drivers/x11/glxapi.h

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  5.1
   5  *
   6  * Copyright (C) 1999-2002  Brian Paul   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 #ifndef _glxapi_h_
  28 #define _glxapi_h_
  29
  30
  31 #define GLX_GLXEXT_PROTOTYPES
  32 #include "GL/glx.h"
  33
  34
  35 #ifdef GLX_BUILT_IN_XMESA
  36 /* The GLX API dispatcher (i.e. this code) is being built into XFree86's
  37  * libGL so we'll use the __GLXContextRec defined in xc/lib/GL/glx/glxclient.h
  38 */
  39 #include "glxclient.h"
  40 #else
  41 /* The GLX API dispatcher (i.e. this code) is being built into stand-alone
  42  * Mesa.  We don't know anything about XFree86 or real GLX so we define a
  43  * minimal __GLXContextRec here so some of the functions in this file can
  44  * work properly.
  45  */
  46 typedef struct __GLXcontextRec {
  47    Display *currentDpy;
  48    GLboolean isDirect;
  49    GLXDrawable currentDrawable;
  50    GLXDrawable currentReadable;
  51    XID xid;
  52 } __GLXcontext;
  53 #endif
  54
  55
  56 /*
  57  * Almost all the GLX API functions get routed through this dispatch table.
  58  * The exceptions are the glXGetCurrentXXX() functions.
  59  *
  60  * This dispatch table allows multiple GLX client-side modules to coexist.
  61  * Specifically, a real GLX library (like SGI's or the Utah GLX) and Mesa's
  62  * pseudo-GLX can be present at the same time.  The former being used on
  63  * GLX-enabled X servers and the later on non-GLX X servers.
  64  *
  65  * Red Hat has been using this since Red Hat Linux 7.0 (I think).
  66  * This'll be a standard feature in XFree86 4.3.  It basically allows one
  67  * libGL to do both DRI-rendering and "fake GLX" rendering to X displays
  68  * that lack the GLX extension.
  69  */
  70 struct _glxapi_table {
  71    /*** GLX_VERSION_1_0 ***/
  72    XVisualInfo *(*ChooseVisual)(Display *dpy, int screen, int *list);
  73    void (*CopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask);
  74    GLXContext (*CreateContext)(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct);
  75    GLXPixmap (*CreateGLXPixmap)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap);
  76    void (*DestroyContext)(Display *dpy, GLXContext ctx);
  77    void (*DestroyGLXPixmap)(Display *dpy, GLXPixmap pixmap);
  78    int (*GetConfig)(Display *dpy, XVisualInfo *visinfo, int attrib, int *value);
  79    /*GLXContext (*GetCurrentContext)(void);*/
  80    /*GLXDrawable (*GetCurrentDrawable)(void);*/
  81    Bool (*IsDirect)(Display *dpy, GLXContext ctx);
  82    Bool (*MakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx);
  83    Bool (*QueryExtension)(Display *dpy, int *errorb, int *event);
  84    Bool (*QueryVersion)(Display *dpy, int *maj, int *min);
  85    void (*SwapBuffers)(Display *dpy, GLXDrawable drawable);
  86    void (*UseXFont)(Font font, int first, int count, int listBase);
  87    void (*WaitGL)(void);
  88    void (*WaitX)(void);
  89
  90    /*** GLX_VERSION_1_1 ***/
  91    const char *(*GetClientString)(Display *dpy, int name);
  92    const char *(*QueryExtensionsString)(Display *dpy, int screen);
  93    const char *(*QueryServerString)(Display *dpy, int screen, int name);
  94
  95    /*** GLX_VERSION_1_2 ***/
  96    /*Display *(*GetCurrentDisplay)(void);*/
  97
  98    /*** GLX_VERSION_1_3 ***/
  99    GLXFBConfig *(*ChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems);
 100    GLXContext (*CreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct);
 101    GLXPbuffer (*CreatePbuffer)(Display *dpy, GLXFBConfig config, const int *attribList);
 102    GLXPixmap (*CreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList);
 103    GLXWindow (*CreateWindow)(Display *dpy, GLXFBConfig config, Window win, const int *attribList);
 104    void (*DestroyPbuffer)(Display *dpy, GLXPbuffer pbuf);
 105    void (*DestroyPixmap)(Display *dpy, GLXPixmap pixmap);
 106    void (*DestroyWindow)(Display *dpy, GLXWindow window);
 107    /*GLXDrawable (*GetCurrentReadDrawable)(void);*/
 108    int (*GetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value);
 109    GLXFBConfig *(*GetFBConfigs)(Display *dpy, int screen, int *nelements);
 110    void (*GetSelectedEvent)(Display *dpy, GLXDrawable drawable, unsigned long *mask);
 111    XVisualInfo *(*GetVisualFromFBConfig)(Display *dpy, GLXFBConfig config);
 112    Bool (*MakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
 113    int (*QueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value);
 114    void (*QueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
 115    void (*SelectEvent)(Display *dpy, GLXDrawable drawable, unsigned long mask);
 116
 117    /*** GLX_SGI_swap_control ***/
 118    int (*SwapIntervalSGI)(int);
 119
 120    /*** GLX_SGI_video_sync ***/
 121    int (*GetVideoSyncSGI)(unsigned int *count);
 122    int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count);
 123
 124    /*** GLX_SGI_make_current_read ***/
 125    Bool (*MakeCurrentReadSGI)(Display *, GLXDrawable, GLXDrawable, GLXContext);
 126    /*GLXDrawable (*GetCurrentReadDrawableSGI)(void);*/
 127
 128    /*** GLX_SGIX_video_source (needs video library) ***/
 129 #if defined(_VL_H_)
 130    GLXVideoSourceSGIX (*CreateGLXVideoSourceSGIX)(Display *, int, VLServer, VLPath, int, VLNode);
 131    void (*DestroyGLXVideoSourceSGIX)(Display *, GLXVideoSourceSGIX);
 132 #else
 133    void *CreateGLXVideoSourceSGIX;
 134    void *DestroyGLXVideoSourceSGIX;
 135 #endif
 136
 137    /*** GLX_EXT_import_context ***/
 138    void (*FreeContextEXT)(Display *dpy, GLXContext context);
 139    GLXContextID (*GetContextIDEXT)(const GLXContext context);
 140    /*Display *(*GetCurrentDisplayEXT)(void);*/
 141    GLXContext (*ImportContextEXT)(Display *dpy, GLXContextID contextID);
 142    int (*QueryContextInfoEXT)(Display *dpy, GLXContext context, int attribute,int *value);
 143
 144    /*** GLX_SGIX_fbconfig ***/
 145    int (*GetFBConfigAttribSGIX)(Display *, GLXFBConfigSGIX, int, int *);
 146    GLXFBConfigSGIX * (*ChooseFBConfigSGIX)(Display *, int, int *, int *);
 147    GLXPixmap (*CreateGLXPixmapWithConfigSGIX)(Display *, GLXFBConfigSGIX, Pixmap);
 148    GLXContext (*CreateContextWithConfigSGIX)(Display *, GLXFBConfigSGIX, int, GLXContext, Bool);
 149    XVisualInfo * (*GetVisualFromFBConfigSGIX)(Display *, GLXFBConfigSGIX);
 150    GLXFBConfigSGIX (*GetFBConfigFromVisualSGIX)(Display *, XVisualInfo *);
 151
 152    /*** GLX_SGIX_pbuffer ***/
 153    GLXPbufferSGIX (*CreateGLXPbufferSGIX)(Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *);
 154    void (*DestroyGLXPbufferSGIX)(Display *, GLXPbufferSGIX);
 155    int (*QueryGLXPbufferSGIX)(Display *, GLXPbufferSGIX, int, unsigned int *);
 156    void (*SelectEventSGIX)(Display *, GLXDrawable, unsigned long);
 157    void (*GetSelectedEventSGIX)(Display *, GLXDrawable, unsigned long *);
 158
 159    /*** GLX_SGI_cushion ***/
 160    void (*CushionSGI)(Display *, Window, float);
 161
 162    /*** GLX_SGIX_video_resize ***/
 163    int (*BindChannelToWindowSGIX)(Display *, int, int, Window);
 164    int (*ChannelRectSGIX)(Display *, int, int, int, int, int, int);
 165    int (*QueryChannelRectSGIX)(Display *, int, int, int *, int *, int *, int *);
 166    int (*QueryChannelDeltasSGIX)(Display *, int, int, int *, int *, int *, int *);
 167    int (*ChannelRectSyncSGIX)(Display *, int, int, GLenum);
 168
 169    /*** GLX_SGIX_dmbuffer (needs dmedia library) ***/
 170 #if defined (_DM_BUFFER_H_)
 171    Bool (*AssociateDMPbufferSGIX)(Display *, GLXPbufferSGIX, DMparams *, DMbuffer);
 172 #else
 173    void *AssociciateDMPbufferSGIX;
 174 #endif
 175
 176    /*** GLX_SGIX_swap_group ***/
 177    void (*JoinSwapGroupSGIX)(Display *, GLXDrawable, GLXDrawable);
 178
 179    /*** GLX_SGIX_swap_barrier ***/
 180    void (*BindSwapBarrierSGIX)(Display *, GLXDrawable, int);
 181    Bool (*QueryMaxSwapBarriersSGIX)(Display *, int, int *);
 182
 183    /*** GLX_SUN_get_transparent_index ***/
 184    Status (*GetTransparentIndexSUN)(Display *, Window, Window, long *);
 185
 186    /*** GLX_MESA_copy_sub_buffer ***/
 187    void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
 188
 189    /*** GLX_MESA_release_buffers ***/
 190    Bool (*ReleaseBuffersMESA)(Display *dpy, Window w);
 191
 192    /*** GLX_MESA_pixmap_colormap ***/
 193    GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap);
 194
 195    /*** GLX_MESA_set_3dfx_mode ***/
 196    Bool (*Set3DfxModeMESA)(int mode);
 197
 198    /*** GLX_NV_vertex_array_range ***/
 199    void * (*AllocateMemoryNV)( GLsizei size,
 200                                GLfloat readFrequency,
 201                                GLfloat writeFrequency,
 202                                GLfloat priority );
 203    void (*FreeMemoryNV)( GLvoid *pointer );
 204
 205    /*** GLX_MESA_agp_offset ***/
 206    GLuint (*GetAGPOffsetMESA)( const GLvoid *pointer );
 207
 208    /*** GLX_ARB_render_texture ***/
 209    Bool (*BindTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
 210    Bool (*ReleaseTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
 211    Bool (*DrawableAttribARB)(Display *dpy, GLXDrawable draw, const int *attribList);
 212 };
 213
 214
 215
 216 extern const char *
 217 _glxapi_get_version(void);
 218
 219
 220 extern const char **
 221 _glxapi_get_extensions(void);
 222
 223
 224 extern GLuint
 225 _glxapi_get_dispatch_table_size(void);
 226
 227
 228 extern void
 229 _glxapi_set_no_op_table(struct _glxapi_table *t);
 230
 231
 232 extern const GLvoid *
 233 _glxapi_get_proc_address(const char *funcName);
 234
 235
 236 #endif