src/mesa/drivers/x11/glxapi.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR 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 #ifdef GLX_BUILT_IN_XMESA
  35 /* The GLX API dispatcher (i.e. this code) is being built into XFree86's
  36  * libGL so we'll use the __GLXContextRec defined in xc/lib/GL/glx/glxclient.h
  37 */
  38 #include "glxclient.h"
  39 #else
  40 /* The GLX API dispatcher (i.e. this code) is being built into stand-alone
  41  * Mesa.  We don't know anything about XFree86 or real GLX so we define a
  42  * minimal __GLXContextRec here so some of the functions in this file can
  43  * work properly.
  44  */
  45 typedef struct __GLXcontextRec {
  46    Display *currentDpy;
  47    GLboolean isDirect;
  48    GLXDrawable currentDrawable;
  49    GLXDrawable currentReadable;
  50    XID xid;
  51 } __GLXcontext;
  52 #endif
  53
  54
  55 /*
  56  * Almost all the GLX API functions get routed through this dispatch table.
  57  * The exceptions are the glXGetCurrentXXX() functions.
  58  *
  59  * This dispatch table allows multiple GLX client-side modules to coexist.
  60  * Specifically, a real GLX library (like SGI's or the Utah GLX) and Mesa's
  61  * pseudo-GLX can be present at the same time.  The former being used on
  62  * GLX-enabled X servers and the later on non-GLX X servers.
  63  *
  64  * Red Hat has been using this since Red Hat Linux 7.0 (I think).
  65  * This'll be a standard feature in XFree86 4.3.  It basically allows one
  66  * libGL to do both DRI-rendering and "fake GLX" rendering to X displays
  67  * that lack the GLX extension.
  68  */
  69 struct _glxapi_table {
  70    /*** GLX_VERSION_1_0 ***/
  71    XVisualInfo *(*ChooseVisual)(Display *dpy, int screen, int *list);
  72    void (*CopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask);
  73    GLXContext (*CreateContext)(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct);
  74    GLXPixmap (*CreateGLXPixmap)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap);
  75    void (*DestroyContext)(Display *dpy, GLXContext ctx);
  76    void (*DestroyGLXPixmap)(Display *dpy, GLXPixmap pixmap);
  77    int (*GetConfig)(Display *dpy, XVisualInfo *visinfo, int attrib, int *value);
  78    /*GLXContext (*GetCurrentContext)(void);*/
  79    /*GLXDrawable (*GetCurrentDrawable)(void);*/
  80    Bool (*IsDirect)(Display *dpy, GLXContext ctx);
  81    Bool (*MakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx);
  82    Bool (*QueryExtension)(Display *dpy, int *errorb, int *event);
  83    Bool (*QueryVersion)(Display *dpy, int *maj, int *min);
  84    void (*SwapBuffers)(Display *dpy, GLXDrawable drawable);
  85    void (*UseXFont)(Font font, int first, int count, int listBase);
  86    void (*WaitGL)(void);
  87    void (*WaitX)(void);
  88
  89    /*** GLX_VERSION_1_1 ***/
  90    const char *(*GetClientString)(Display *dpy, int name);
  91    const char *(*QueryExtensionsString)(Display *dpy, int screen);
  92    const char *(*QueryServerString)(Display *dpy, int screen, int name);
  93
  94    /*** GLX_VERSION_1_2 ***/
  95    /*Display *(*GetCurrentDisplay)(void);*/
  96
  97    /*** GLX_VERSION_1_3 ***/
  98    GLXFBConfig *(*ChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems);
  99    GLXContext (*CreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct);
 100    GLXPbuffer (*CreatePbuffer)(Display *dpy, GLXFBConfig config, const int *attribList);
 101    GLXPixmap (*CreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList);
 102    GLXWindow (*CreateWindow)(Display *dpy, GLXFBConfig config, Window win, const int *attribList);
 103    void (*DestroyPbuffer)(Display *dpy, GLXPbuffer pbuf);
 104    void (*DestroyPixmap)(Display *dpy, GLXPixmap pixmap);
 105    void (*DestroyWindow)(Display *dpy, GLXWindow window);
 106    /*GLXDrawable (*GetCurrentReadDrawable)(void);*/
 107    int (*GetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value);
 108    GLXFBConfig *(*GetFBConfigs)(Display *dpy, int screen, int *nelements);
 109    void (*GetSelectedEvent)(Display *dpy, GLXDrawable drawable, unsigned long *mask);
 110    XVisualInfo *(*GetVisualFromFBConfig)(Display *dpy, GLXFBConfig config);
 111    Bool (*MakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
 112    int (*QueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value);
 113    void (*QueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
 114    void (*SelectEvent)(Display *dpy, GLXDrawable drawable, unsigned long mask);
 115
 116    /*** GLX_SGI_swap_control ***/
 117    int (*SwapIntervalSGI)(int);
 118
 119    /*** GLX_SGI_video_sync ***/
 120    int (*GetVideoSyncSGI)(unsigned int *count);
 121    int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count);
 122
 123    /*** GLX_SGI_make_current_read ***/
 124    Bool (*MakeCurrentReadSGI)(Display *, GLXDrawable, GLXDrawable, GLXContext);
 125    /*GLXDrawable (*GetCurrentReadDrawableSGI)(void);*/
 126
 127    /*** GLX_SGIX_video_source (needs video library) ***/
 128 #if defined(_VL_H_)
 129    GLXVideoSourceSGIX (*CreateGLXVideoSourceSGIX)(Display *, int, VLServer, VLPath, int, VLNode);
 130    void (*DestroyGLXVideoSourceSGIX)(Display *, GLXVideoSourceSGIX);
 131 #else
 132    void *CreateGLXVideoSourceSGIX;
 133    void *DestroyGLXVideoSourceSGIX;
 134 #endif
 135
 136    /*** GLX_EXT_import_context ***/
 137    void (*FreeContextEXT)(Display *dpy, GLXContext context);
 138    GLXContextID (*GetContextIDEXT)(const GLXContext context);
 139    /*Display *(*GetCurrentDisplayEXT)(void);*/
 140    GLXContext (*ImportContextEXT)(Display *dpy, GLXContextID contextID);
 141    int (*QueryContextInfoEXT)(Display *dpy, GLXContext context, int attribute,int *value);
 142
 143    /*** GLX_SGIX_fbconfig ***/
 144    int (*GetFBConfigAttribSGIX)(Display *, GLXFBConfigSGIX, int, int *);
 145    GLXFBConfigSGIX * (*ChooseFBConfigSGIX)(Display *, int, int *, int *);
 146    GLXPixmap (*CreateGLXPixmapWithConfigSGIX)(Display *, GLXFBConfigSGIX, Pixmap);
 147    GLXContext (*CreateContextWithConfigSGIX)(Display *, GLXFBConfigSGIX, int, GLXContext, Bool);
 148    XVisualInfo * (*GetVisualFromFBConfigSGIX)(Display *, GLXFBConfigSGIX);
 149    GLXFBConfigSGIX (*GetFBConfigFromVisualSGIX)(Display *, XVisualInfo *);
 150
 151    /*** GLX_SGIX_pbuffer ***/
 152    GLXPbufferSGIX (*CreateGLXPbufferSGIX)(Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *);
 153    void (*DestroyGLXPbufferSGIX)(Display *, GLXPbufferSGIX);
 154    int (*QueryGLXPbufferSGIX)(Display *, GLXPbufferSGIX, int, unsigned int *);
 155    void (*SelectEventSGIX)(Display *, GLXDrawable, unsigned long);
 156    void (*GetSelectedEventSGIX)(Display *, GLXDrawable, unsigned long *);
 157
 158    /*** GLX_SGI_cushion ***/
 159    void (*CushionSGI)(Display *, Window, float);
 160
 161    /*** GLX_SGIX_video_resize ***/
 162    int (*BindChannelToWindowSGIX)(Display *, int, int, Window);
 163    int (*ChannelRectSGIX)(Display *, int, int, int, int, int, int);
 164    int (*QueryChannelRectSGIX)(Display *, int, int, int *, int *, int *, int *);
 165    int (*QueryChannelDeltasSGIX)(Display *, int, int, int *, int *, int *, int *);
 166    int (*ChannelRectSyncSGIX)(Display *, int, int, GLenum);
 167
 168    /*** GLX_SGIX_dmbuffer (needs dmedia library) ***/
 169 #if defined (_DM_BUFFER_H_)
 170    Bool (*AssociateDMPbufferSGIX)(Display *, GLXPbufferSGIX, DMparams *, DMbuffer);
 171 #else
 172    void *AssociciateDMPbufferSGIX;
 173 #endif
 174
 175    /*** GLX_SGIX_swap_group ***/
 176    void (*JoinSwapGroupSGIX)(Display *, GLXDrawable, GLXDrawable);
 177
 178    /*** GLX_SGIX_swap_barrier ***/
 179    void (*BindSwapBarrierSGIX)(Display *, GLXDrawable, int);
 180    Bool (*QueryMaxSwapBarriersSGIX)(Display *, int, int *);
 181
 182    /*** GLX_SUN_get_transparent_index ***/
 183    Status (*GetTransparentIndexSUN)(Display *, Window, Window, long *);
 184
 185    /*** GLX_MESA_copy_sub_buffer ***/
 186    void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
 187
 188    /*** GLX_MESA_release_buffers ***/
 189    Bool (*ReleaseBuffersMESA)(Display *dpy, Window w);
 190
 191    /*** GLX_MESA_pixmap_colormap ***/
 192    GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap);
 193
 194    /*** GLX_MESA_set_3dfx_mode ***/
 195    Bool (*Set3DfxModeMESA)(int mode);
 196
 197    /*** GLX_NV_vertex_array_range ***/
 198    void * (*AllocateMemoryNV)( GLsizei size,
 199                                GLfloat readFrequency,
 200                                GLfloat writeFrequency,
 201                                GLfloat priority );
 202    void (*FreeMemoryNV)( GLvoid *pointer );
 203
 204    /*** GLX_MESA_agp_offset ***/
 205    GLuint (*GetAGPOffsetMESA)( const GLvoid *pointer );
 206 };
 207
 208
 209
 210 extern const char *
 211 _glxapi_get_version(void);
 212
 213
 214 extern const char **
 215 _glxapi_get_extensions(void);
 216
 217
 218 extern GLuint
 219 _glxapi_get_dispatch_table_size(void);
 220
 221
 222 extern void
 223 _glxapi_set_no_op_table(struct _glxapi_table *t);
 224
 225
 226 extern __GLXextFuncPtr
 227 _glxapi_get_proc_address(const char *funcName);
 228
 229
 230 #endif