/* * Mesa 3-D graphics library * Version: 7.1 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * This is the GLX API dispatcher. Calls to the glX* functions are * either routed to the real GLX encoders or to Mesa's pseudo-GLX functions. * See the glxapi.h file for more details. */ #include #include #include #include #include "main/glheader.h" #include "glapi/glapi.h" #include "glxapi.h" #include "pipe/p_thread.h" extern struct _glxapi_table *_mesa_GetGLXDispatchTable(void); struct display_dispatch { Display *Dpy; struct _glxapi_table *Table; struct display_dispatch *Next; }; static struct display_dispatch *DispatchList = NULL; /* Display -> Dispatch caching */ static Display *prevDisplay = NULL; static struct _glxapi_table *prevTable = NULL; static struct _glxapi_table * get_dispatch(Display *dpy) { if (!dpy) return NULL; /* search list of display/dispatch pairs for this display */ { const struct display_dispatch *d = DispatchList; while (d) { if (d->Dpy == dpy) { prevDisplay = dpy; prevTable = d->Table; return d->Table; /* done! */ } d = d->Next; } } /* A new display, determine if we should use real GLX * or Mesa's pseudo-GLX. */ { struct _glxapi_table *t = _mesa_GetGLXDispatchTable(); if (t) { struct display_dispatch *d; d = (struct display_dispatch *) malloc(sizeof(struct display_dispatch)); if (d) { d->Dpy = dpy; d->Table = t; /* insert at head of list */ d->Next = DispatchList; DispatchList = d; /* update cache */ prevDisplay = dpy; prevTable = t; return t; } } } /* If we get here that means we can't use real GLX on this display * and the Mesa pseudo-GLX software renderer wasn't compiled in. * Or, we ran out of memory! */ return NULL; } /* Don't use the GET_DISPATCH defined in glthread.h */ #undef GET_DISPATCH #define GET_DISPATCH(DPY, TABLE) \ if (DPY == prevDisplay) { \ TABLE = prevTable; \ } \ else if (!DPY) { \ TABLE = NULL; \ } \ else { \ TABLE = get_dispatch(DPY); \ } /** * GLX API current context. */ pipe_tsd ContextTSD; static void SetCurrentContext(GLXContext c) { pipe_tsd_set(&ContextTSD, c); } /* * GLX API entrypoints */ /*** GLX_VERSION_1_0 ***/ XVisualInfo PUBLIC * glXChooseVisual(Display *dpy, int screen, int *list) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return NULL; return (t->ChooseVisual)(dpy, screen, list); } void PUBLIC glXCopyContext(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->CopyContext)(dpy, src, dst, mask); } GLXContext PUBLIC glXCreateContext(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateContext)(dpy, visinfo, shareList, direct); } GLXPixmap PUBLIC glXCreateGLXPixmap(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateGLXPixmap)(dpy, visinfo, pixmap); } void PUBLIC glXDestroyContext(Display *dpy, GLXContext ctx) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; if (glXGetCurrentContext() == ctx) SetCurrentContext(NULL); (t->DestroyContext)(dpy, ctx); } void PUBLIC glXDestroyGLXPixmap(Display *dpy, GLXPixmap pixmap) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->DestroyGLXPixmap)(dpy, pixmap); } int PUBLIC glXGetConfig(Display *dpy, XVisualInfo *visinfo, int attrib, int *value) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return GLX_NO_EXTENSION; return (t->GetConfig)(dpy, visinfo, attrib, value); } GLXContext PUBLIC glXGetCurrentContext(void) { return (GLXContext) pipe_tsd_get(&ContextTSD); } GLXDrawable PUBLIC glXGetCurrentDrawable(void) { __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext(); return gc ? gc->currentDrawable : 0; } Bool PUBLIC glXIsDirect(Display *dpy, GLXContext ctx) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (t->IsDirect)(dpy, ctx); } Bool PUBLIC glXMakeCurrent(Display *dpy, GLXDrawable drawable, GLXContext ctx) { Bool b; struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) { return False; } b = (*t->MakeCurrent)(dpy, drawable, ctx); if (b) { SetCurrentContext(ctx); } return b; } Bool PUBLIC glXQueryExtension(Display *dpy, int *errorb, int *event) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (t->QueryExtension)(dpy, errorb, event); } Bool PUBLIC glXQueryVersion(Display *dpy, int *maj, int *min) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (t->QueryVersion)(dpy, maj, min); } void PUBLIC glXSwapBuffers(Display *dpy, GLXDrawable drawable) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->SwapBuffers)(dpy, drawable); } void PUBLIC glXUseXFont(Font font, int first, int count, int listBase) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t) return; (t->UseXFont)(font, first, count, listBase); } void PUBLIC glXWaitGL(void) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t) return; (t->WaitGL)(); } void PUBLIC glXWaitX(void) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t) return; (t->WaitX)(); } /*** GLX_VERSION_1_1 ***/ const char PUBLIC * glXGetClientString(Display *dpy, int name) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return NULL; return (t->GetClientString)(dpy, name); } const char PUBLIC * glXQueryExtensionsString(Display *dpy, int screen) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return NULL; return (t->QueryExtensionsString)(dpy, screen); } const char PUBLIC * glXQueryServerString(Display *dpy, int screen, int name) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return NULL; return (t->QueryServerString)(dpy, screen, name); } /*** GLX_VERSION_1_2 ***/ Display PUBLIC * glXGetCurrentDisplay(void) { /* Same code as in libGL's glxext.c */ __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext(); if (NULL == gc) return NULL; return gc->currentDpy; } /*** GLX_VERSION_1_3 ***/ GLXFBConfig PUBLIC * glXChooseFBConfig(Display *dpy, int screen, const int *attribList, int *nitems) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->ChooseFBConfig)(dpy, screen, attribList, nitems); } GLXContext PUBLIC glXCreateNewContext(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateNewContext)(dpy, config, renderType, shareList, direct); } GLXPbuffer PUBLIC glXCreatePbuffer(Display *dpy, GLXFBConfig config, const int *attribList) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreatePbuffer)(dpy, config, attribList); } GLXPixmap PUBLIC glXCreatePixmap(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreatePixmap)(dpy, config, pixmap, attribList); } GLXWindow PUBLIC glXCreateWindow(Display *dpy, GLXFBConfig config, Window win, const int *attribList) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateWindow)(dpy, config, win, attribList); } void PUBLIC glXDestroyPbuffer(Display *dpy, GLXPbuffer pbuf) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->DestroyPbuffer)(dpy, pbuf); } void PUBLIC glXDestroyPixmap(Display *dpy, GLXPixmap pixmap) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->DestroyPixmap)(dpy, pixmap); } void PUBLIC glXDestroyWindow(Display *dpy, GLXWindow window) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->DestroyWindow)(dpy, window); } GLXDrawable PUBLIC glXGetCurrentReadDrawable(void) { __GLXcontext *gc = (__GLXcontext *) glXGetCurrentContext(); return gc ? gc->currentReadable : 0; } int PUBLIC glXGetFBConfigAttrib(Display *dpy, GLXFBConfig config, int attribute, int *value) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return GLX_NO_EXTENSION; return (t->GetFBConfigAttrib)(dpy, config, attribute, value); } GLXFBConfig PUBLIC * glXGetFBConfigs(Display *dpy, int screen, int *nelements) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->GetFBConfigs)(dpy, screen, nelements); } void PUBLIC glXGetSelectedEvent(Display *dpy, GLXDrawable drawable, unsigned long *mask) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->GetSelectedEvent)(dpy, drawable, mask); } XVisualInfo PUBLIC * glXGetVisualFromFBConfig(Display *dpy, GLXFBConfig config) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return NULL; return (t->GetVisualFromFBConfig)(dpy, config); } Bool PUBLIC glXMakeContextCurrent(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx) { Bool b; struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; b = (t->MakeContextCurrent)(dpy, draw, read, ctx); if (b) { SetCurrentContext(ctx); } return b; } int PUBLIC glXQueryContext(Display *dpy, GLXContext ctx, int attribute, int *value) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); assert(t); if (!t) return 0; /* XXX correct? */ return (t->QueryContext)(dpy, ctx, attribute, value); } void PUBLIC glXQueryDrawable(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->QueryDrawable)(dpy, draw, attribute, value); } void PUBLIC glXSelectEvent(Display *dpy, GLXDrawable drawable, unsigned long mask) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->SelectEvent)(dpy, drawable, mask); } /*** GLX_SGI_swap_control ***/ int PUBLIC glXSwapIntervalSGI(int interval) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t) return 0; return (t->SwapIntervalSGI)(interval); } /*** GLX_SGI_video_sync ***/ int PUBLIC glXGetVideoSyncSGI(unsigned int *count) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t || !glXGetCurrentContext()) return GLX_BAD_CONTEXT; return (t->GetVideoSyncSGI)(count); } int PUBLIC glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t || !glXGetCurrentContext()) return GLX_BAD_CONTEXT; return (t->WaitVideoSyncSGI)(divisor, remainder, count); } /*** GLX_SGI_make_current_read ***/ Bool PUBLIC glXMakeCurrentReadSGI(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (t->MakeCurrentReadSGI)(dpy, draw, read, ctx); } GLXDrawable PUBLIC glXGetCurrentReadDrawableSGI(void) { return glXGetCurrentReadDrawable(); } #if defined(_VL_H) GLXVideoSourceSGIX PUBLIC glXCreateGLXVideoSourceSGIX(Display *dpy, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateGLXVideoSourceSGIX)(dpy, screen, server, path, nodeClass, drainNode); } void PUBLIC glXDestroyGLXVideoSourceSGIX(Display *dpy, GLXVideoSourceSGIX src) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->DestroyGLXVideoSourceSGIX)(dpy, src); } #endif /*** GLX_EXT_import_context ***/ void PUBLIC glXFreeContextEXT(Display *dpy, GLXContext context) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->FreeContextEXT)(dpy, context); } GLXContextID PUBLIC glXGetContextIDEXT(const GLXContext context) { return ((__GLXcontext *) context)->xid; } Display PUBLIC * glXGetCurrentDisplayEXT(void) { return glXGetCurrentDisplay(); } GLXContext PUBLIC glXImportContextEXT(Display *dpy, GLXContextID contextID) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->ImportContextEXT)(dpy, contextID); } int PUBLIC glXQueryContextInfoEXT(Display *dpy, GLXContext context, int attribute,int *value) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; /* XXX ok? */ return (t->QueryContextInfoEXT)(dpy, context, attribute, value); } /*** GLX_SGIX_fbconfig ***/ int PUBLIC glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, int attribute, int *value) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->GetFBConfigAttribSGIX)(dpy, config, attribute, value); } GLXFBConfigSGIX PUBLIC * glXChooseFBConfigSGIX(Display *dpy, int screen, int *attrib_list, int *nelements) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->ChooseFBConfigSGIX)(dpy, screen, attrib_list, nelements); } GLXPixmap PUBLIC glXCreateGLXPixmapWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateGLXPixmapWithConfigSGIX)(dpy, config, pixmap); } GLXContext PUBLIC glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateContextWithConfigSGIX)(dpy, config, render_type, share_list, direct); } XVisualInfo PUBLIC * glXGetVisualFromFBConfigSGIX(Display *dpy, GLXFBConfigSGIX config) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->GetVisualFromFBConfigSGIX)(dpy, config); } GLXFBConfigSGIX PUBLIC glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->GetFBConfigFromVisualSGIX)(dpy, vis); } /*** GLX_SGIX_pbuffer ***/ GLXPbufferSGIX PUBLIC glXCreateGLXPbufferSGIX(Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateGLXPbufferSGIX)(dpy, config, width, height, attrib_list); } void PUBLIC glXDestroyGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->DestroyGLXPbufferSGIX)(dpy, pbuf); } int PUBLIC glXQueryGLXPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->QueryGLXPbufferSGIX)(dpy, pbuf, attribute, value); } void PUBLIC glXSelectEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long mask) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->SelectEventSGIX)(dpy, drawable, mask); } void PUBLIC glXGetSelectedEventSGIX(Display *dpy, GLXDrawable drawable, unsigned long *mask) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->GetSelectedEventSGIX)(dpy, drawable, mask); } /*** GLX_SGI_cushion ***/ void PUBLIC glXCushionSGI(Display *dpy, Window win, float cushion) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->CushionSGI)(dpy, win, cushion); } /*** GLX_SGIX_video_resize ***/ int PUBLIC glXBindChannelToWindowSGIX(Display *dpy, int screen, int channel , Window window) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->BindChannelToWindowSGIX)(dpy, screen, channel, window); } int PUBLIC glXChannelRectSGIX(Display *dpy, int screen, int channel, int x, int y, int w, int h) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->ChannelRectSGIX)(dpy, screen, channel, x, y, w, h); } int PUBLIC glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, int *x, int *y, int *w, int *h) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->QueryChannelRectSGIX)(dpy, screen, channel, x, y, w, h); } int PUBLIC glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, int *dx, int *dy, int *dw, int *dh) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->QueryChannelDeltasSGIX)(dpy, screen, channel, dx, dy, dw, dh); } int PUBLIC glXChannelRectSyncSGIX(Display *dpy, int screen, int channel, GLenum synctype) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->ChannelRectSyncSGIX)(dpy, screen, channel, synctype); } #if defined(_DM_BUFFER_H_) Bool PUBLIC glXAssociateDMPbufferSGIX(Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (t->AssociateDMPbufferSGIX)(dpy, pbuffer, params, dmbuffer); } #endif /*** GLX_SGIX_swap_group ***/ void PUBLIC glXJoinSwapGroupSGIX(Display *dpy, GLXDrawable drawable, GLXDrawable member) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (*t->JoinSwapGroupSGIX)(dpy, drawable, member); } /*** GLX_SGIX_swap_barrier ***/ void PUBLIC glXBindSwapBarrierSGIX(Display *dpy, GLXDrawable drawable, int barrier) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (*t->BindSwapBarrierSGIX)(dpy, drawable, barrier); } Bool PUBLIC glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (*t->QueryMaxSwapBarriersSGIX)(dpy, screen, max); } /*** GLX_SUN_get_transparent_index ***/ Status PUBLIC glXGetTransparentIndexSUN(Display *dpy, Window overlay, Window underlay, long *pTransparent) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (*t->GetTransparentIndexSUN)(dpy, overlay, underlay, pTransparent); } /*** GLX_MESA_copy_sub_buffer ***/ void PUBLIC glXCopySubBufferMESA(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return; (t->CopySubBufferMESA)(dpy, drawable, x, y, width, height); } /*** GLX_MESA_release_buffers ***/ Bool PUBLIC glXReleaseBuffersMESA(Display *dpy, Window w) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return False; return (t->ReleaseBuffersMESA)(dpy, w); } /*** GLX_MESA_pixmap_colormap ***/ GLXPixmap PUBLIC glXCreateGLXPixmapMESA(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (!t) return 0; return (t->CreateGLXPixmapMESA)(dpy, visinfo, pixmap, cmap); } /*** GLX_NV_vertex_array_range ***/ void PUBLIC * glXAllocateMemoryNV( GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority ) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t) return NULL; return (t->AllocateMemoryNV)(size, readFrequency, writeFrequency, priority); } void PUBLIC glXFreeMemoryNV( GLvoid *pointer ) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t) return; (t->FreeMemoryNV)(pointer); } /*** GLX_MESA_agp_offset */ GLuint PUBLIC glXGetAGPOffsetMESA( const GLvoid *pointer ) { struct _glxapi_table *t; Display *dpy = glXGetCurrentDisplay(); GET_DISPATCH(dpy, t); if (!t) return ~0; return (t->GetAGPOffsetMESA)(pointer); } /*** GLX_MESA_allocate_memory */ void * glXAllocateMemoryMESA(Display *dpy, int scrn, size_t size, float readfreq, float writefreq, float priority) { /* dummy */ return NULL; } void glXFreeMemoryMESA(Display *dpy, int scrn, void *pointer) { /* dummy */ } GLuint glXGetMemoryOffsetMESA(Display *dpy, int scrn, const void *pointer) { /* dummy */ return 0; } /*** GLX_EXT_texture_from_pixmap */ void glXBindTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer, const int *attrib_list) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (t) t->BindTexImageEXT(dpy, drawable, buffer, attrib_list); } void glXReleaseTexImageEXT(Display *dpy, GLXDrawable drawable, int buffer) { struct _glxapi_table *t; GET_DISPATCH(dpy, t); if (t) t->ReleaseTexImageEXT(dpy, drawable, buffer); } /**********************************************************************/ /* GLX API management functions */ /**********************************************************************/ const char * _glxapi_get_version(void) { return "1.3"; } /* * Return array of extension strings. */ const char ** _glxapi_get_extensions(void) { static const char *extensions[] = { #ifdef GLX_EXT_import_context "GLX_EXT_import_context", #endif #ifdef GLX_SGI_video_sync "GLX_SGI_video_sync", #endif #ifdef GLX_MESA_copy_sub_buffer "GLX_MESA_copy_sub_buffer", #endif #ifdef GLX_MESA_release_buffers "GLX_MESA_release_buffers", #endif #ifdef GLX_MESA_pixmap_colormap "GLX_MESA_pixmap_colormap", #endif #ifdef GLX_SGIX_fbconfig "GLX_SGIX_fbconfig", #endif #ifdef GLX_SGIX_pbuffer "GLX_SGIX_pbuffer", #endif #ifdef GLX_EXT_texture_from_pixmap "GLX_EXT_texture_from_pixmap", #endif NULL }; return extensions; } /* * Return size of the GLX dispatch table, in entries, not bytes. */ GLuint _glxapi_get_dispatch_table_size(void) { return sizeof(struct _glxapi_table) / sizeof(void *); } static int generic_no_op_func(void) { return 0; } /* * Initialize all functions in given dispatch table to be no-ops */ void _glxapi_set_no_op_table(struct _glxapi_table *t) { typedef int (*nop_func)(void); nop_func *dispatch = (nop_func *) t; GLuint n = _glxapi_get_dispatch_table_size(); GLuint i; for (i = 0; i < n; i++) { dispatch[i] = generic_no_op_func; } } struct name_address_pair { const char *Name; __GLXextFuncPtr Address; }; static struct name_address_pair GLX_functions[] = { /*** GLX_VERSION_1_0 ***/ { "glXChooseVisual", (__GLXextFuncPtr) glXChooseVisual }, { "glXCopyContext", (__GLXextFuncPtr) glXCopyContext }, { "glXCreateContext", (__GLXextFuncPtr) glXCreateContext }, { "glXCreateGLXPixmap", (__GLXextFuncPtr) glXCreateGLXPixmap }, { "glXDestroyContext", (__GLXextFuncPtr) glXDestroyContext }, { "glXDestroyGLXPixmap", (__GLXextFuncPtr) glXDestroyGLXPixmap }, { "glXGetConfig", (__GLXextFuncPtr) glXGetConfig }, { "glXGetCurrentContext", (__GLXextFuncPtr) glXGetCurrentContext }, { "glXGetCurrentDrawable", (__GLXextFuncPtr) glXGetCurrentDrawable }, { "glXIsDirect", (__GLXextFuncPtr) glXIsDirect }, { "glXMakeCurrent", (__GLXextFuncPtr) glXMakeCurrent }, { "glXQueryExtension", (__GLXextFuncPtr) glXQueryExtension }, { "glXQueryVersion", (__GLXextFuncPtr) glXQueryVersion }, { "glXSwapBuffers", (__GLXextFuncPtr) glXSwapBuffers }, { "glXUseXFont", (__GLXextFuncPtr) glXUseXFont }, { "glXWaitGL", (__GLXextFuncPtr) glXWaitGL }, { "glXWaitX", (__GLXextFuncPtr) glXWaitX }, /*** GLX_VERSION_1_1 ***/ { "glXGetClientString", (__GLXextFuncPtr) glXGetClientString }, { "glXQueryExtensionsString", (__GLXextFuncPtr) glXQueryExtensionsString }, { "glXQueryServerString", (__GLXextFuncPtr) glXQueryServerString }, /*** GLX_VERSION_1_2 ***/ { "glXGetCurrentDisplay", (__GLXextFuncPtr) glXGetCurrentDisplay }, /*** GLX_VERSION_1_3 ***/ { "glXChooseFBConfig", (__GLXextFuncPtr) glXChooseFBConfig }, { "glXCreateNewContext", (__GLXextFuncPtr) glXCreateNewContext }, { "glXCreatePbuffer", (__GLXextFuncPtr) glXCreatePbuffer }, { "glXCreatePixmap", (__GLXextFuncPtr) glXCreatePixmap }, { "glXCreateWindow", (__GLXextFuncPtr) glXCreateWindow }, { "glXDestroyPbuffer", (__GLXextFuncPtr) glXDestroyPbuffer }, { "glXDestroyPixmap", (__GLXextFuncPtr) glXDestroyPixmap }, { "glXDestroyWindow", (__GLXextFuncPtr) glXDestroyWindow }, { "glXGetCurrentReadDrawable", (__GLXextFuncPtr) glXGetCurrentReadDrawable }, { "glXGetFBConfigAttrib", (__GLXextFuncPtr) glXGetFBConfigAttrib }, { "glXGetFBConfigs", (__GLXextFuncPtr) glXGetFBConfigs }, { "glXGetSelectedEvent", (__GLXextFuncPtr) glXGetSelectedEvent }, { "glXGetVisualFromFBConfig", (__GLXextFuncPtr) glXGetVisualFromFBConfig }, { "glXMakeContextCurrent", (__GLXextFuncPtr) glXMakeContextCurrent }, { "glXQueryContext", (__GLXextFuncPtr) glXQueryContext }, { "glXQueryDrawable", (__GLXextFuncPtr) glXQueryDrawable }, { "glXSelectEvent", (__GLXextFuncPtr) glXSelectEvent }, /*** GLX_VERSION_1_4 ***/ { "glXGetProcAddress", (__GLXextFuncPtr) glXGetProcAddress }, /*** GLX_SGI_swap_control ***/ { "glXSwapIntervalSGI", (__GLXextFuncPtr) glXSwapIntervalSGI }, /*** GLX_SGI_video_sync ***/ { "glXGetVideoSyncSGI", (__GLXextFuncPtr) glXGetVideoSyncSGI }, { "glXWaitVideoSyncSGI", (__GLXextFuncPtr) glXWaitVideoSyncSGI }, /*** GLX_SGI_make_current_read ***/ { "glXMakeCurrentReadSGI", (__GLXextFuncPtr) glXMakeCurrentReadSGI }, { "glXGetCurrentReadDrawableSGI", (__GLXextFuncPtr) glXGetCurrentReadDrawableSGI }, /*** GLX_SGIX_video_source ***/ #if defined(_VL_H) { "glXCreateGLXVideoSourceSGIX", (__GLXextFuncPtr) glXCreateGLXVideoSourceSGIX }, { "glXDestroyGLXVideoSourceSGIX", (__GLXextFuncPtr) glXDestroyGLXVideoSourceSGIX }, #endif /*** GLX_EXT_import_context ***/ { "glXFreeContextEXT", (__GLXextFuncPtr) glXFreeContextEXT }, { "glXGetContextIDEXT", (__GLXextFuncPtr) glXGetContextIDEXT }, { "glXGetCurrentDisplayEXT", (__GLXextFuncPtr) glXGetCurrentDisplayEXT }, { "glXImportContextEXT", (__GLXextFuncPtr) glXImportContextEXT }, { "glXQueryContextInfoEXT", (__GLXextFuncPtr) glXQueryContextInfoEXT }, /*** GLX_SGIX_fbconfig ***/ { "glXGetFBConfigAttribSGIX", (__GLXextFuncPtr) glXGetFBConfigAttribSGIX }, { "glXChooseFBConfigSGIX", (__GLXextFuncPtr) glXChooseFBConfigSGIX }, { "glXCreateGLXPixmapWithConfigSGIX", (__GLXextFuncPtr) glXCreateGLXPixmapWithConfigSGIX }, { "glXCreateContextWithConfigSGIX", (__GLXextFuncPtr) glXCreateContextWithConfigSGIX }, { "glXGetVisualFromFBConfigSGIX", (__GLXextFuncPtr) glXGetVisualFromFBConfigSGIX }, { "glXGetFBConfigFromVisualSGIX", (__GLXextFuncPtr) glXGetFBConfigFromVisualSGIX }, /*** GLX_SGIX_pbuffer ***/ { "glXCreateGLXPbufferSGIX", (__GLXextFuncPtr) glXCreateGLXPbufferSGIX }, { "glXDestroyGLXPbufferSGIX", (__GLXextFuncPtr) glXDestroyGLXPbufferSGIX }, { "glXQueryGLXPbufferSGIX", (__GLXextFuncPtr) glXQueryGLXPbufferSGIX }, { "glXSelectEventSGIX", (__GLXextFuncPtr) glXSelectEventSGIX }, { "glXGetSelectedEventSGIX", (__GLXextFuncPtr) glXGetSelectedEventSGIX }, /*** GLX_SGI_cushion ***/ { "glXCushionSGI", (__GLXextFuncPtr) glXCushionSGI }, /*** GLX_SGIX_video_resize ***/ { "glXBindChannelToWindowSGIX", (__GLXextFuncPtr) glXBindChannelToWindowSGIX }, { "glXChannelRectSGIX", (__GLXextFuncPtr) glXChannelRectSGIX }, { "glXQueryChannelRectSGIX", (__GLXextFuncPtr) glXQueryChannelRectSGIX }, { "glXQueryChannelDeltasSGIX", (__GLXextFuncPtr) glXQueryChannelDeltasSGIX }, { "glXChannelRectSyncSGIX", (__GLXextFuncPtr) glXChannelRectSyncSGIX }, /*** GLX_SGIX_dmbuffer **/ #if defined(_DM_BUFFER_H_) { "glXAssociateDMPbufferSGIX", (__GLXextFuncPtr) glXAssociateDMPbufferSGIX }, #endif /*** GLX_SGIX_swap_group ***/ { "glXJoinSwapGroupSGIX", (__GLXextFuncPtr) glXJoinSwapGroupSGIX }, /*** GLX_SGIX_swap_barrier ***/ { "glXBindSwapBarrierSGIX", (__GLXextFuncPtr) glXBindSwapBarrierSGIX }, { "glXQueryMaxSwapBarriersSGIX", (__GLXextFuncPtr) glXQueryMaxSwapBarriersSGIX }, /*** GLX_SUN_get_transparent_index ***/ { "glXGetTransparentIndexSUN", (__GLXextFuncPtr) glXGetTransparentIndexSUN }, /*** GLX_MESA_copy_sub_buffer ***/ { "glXCopySubBufferMESA", (__GLXextFuncPtr) glXCopySubBufferMESA }, /*** GLX_MESA_pixmap_colormap ***/ { "glXCreateGLXPixmapMESA", (__GLXextFuncPtr) glXCreateGLXPixmapMESA }, /*** GLX_MESA_release_buffers ***/ { "glXReleaseBuffersMESA", (__GLXextFuncPtr) glXReleaseBuffersMESA }, /*** GLX_ARB_get_proc_address ***/ { "glXGetProcAddressARB", (__GLXextFuncPtr) glXGetProcAddressARB }, /*** GLX_NV_vertex_array_range ***/ { "glXAllocateMemoryNV", (__GLXextFuncPtr) glXAllocateMemoryNV }, { "glXFreeMemoryNV", (__GLXextFuncPtr) glXFreeMemoryNV }, /*** GLX_MESA_agp_offset ***/ { "glXGetAGPOffsetMESA", (__GLXextFuncPtr) glXGetAGPOffsetMESA }, /*** GLX_MESA_allocate_memory ***/ { "glXAllocateMemoryMESA", (__GLXextFuncPtr) glXAllocateMemoryMESA }, { "glXFreeMemoryMESA", (__GLXextFuncPtr) glXFreeMemoryMESA }, { "glXGetMemoryOffsetMESA", (__GLXextFuncPtr) glXGetMemoryOffsetMESA }, /*** GLX_EXT_texture_from_pixmap ***/ { "glXBindTexImageEXT", (__GLXextFuncPtr) glXBindTexImageEXT }, { "glXReleaseTexImageEXT", (__GLXextFuncPtr) glXReleaseTexImageEXT }, { NULL, NULL } /* end of list */ }; /* * Return address of named glX function, or NULL if not found. */ __GLXextFuncPtr _glxapi_get_proc_address(const char *funcName) { GLuint i; for (i = 0; GLX_functions[i].Name; i++) { if (strcmp(GLX_functions[i].Name, funcName) == 0) return GLX_functions[i].Address; } return NULL; } /* * This function does not get dispatched through the dispatch table * since it's really a "meta" function. */ __GLXextFuncPtr glXGetProcAddressARB(const GLubyte *procName) { __GLXextFuncPtr f; f = _glxapi_get_proc_address((const char *) procName); if (f) { return f; } f = (__GLXextFuncPtr) _glapi_get_proc_address((const char *) procName); return f; } /* GLX 1.4 */ void (*glXGetProcAddress(const GLubyte *procName))() { return glXGetProcAddressARB(procName); }