-/* $Id: glxapi.c,v 1.25 2001/05/29 16:23:26 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 5.1
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2002 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"),
/*
* 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
-/*#include <dlfcn.h>*/ /* XXX not portable? */
#include "glapi.h"
#include "glxapi.h"
{
struct _glxapi_table *t = NULL;
-#ifdef GLX_BUILD_IN_XLIB_MESA
+#ifdef GLX_BUILT_IN_XMESA
if (!getenv("LIBGL_FORCE_XMESA")) {
int ignore;
if (XQueryExtension( dpy, "GLX", &ignore, &ignore, &ignore )) {
if (!t) {
/* Fallback to Mesa with Xlib driver */
-#ifdef GLX_BUILD_IN_XLIB_MESA
+#ifdef GLX_BUILT_IN_XMESA
if (getenv("LIBGL_DEBUG")) {
fprintf(stderr,
- "libGL: server lacks GLX extension. Using Mesa Xlib renderer.");
+ "libGL: server %s lacks the GLX extension.",
+ dpy->display_name);
+ fprintf(stderr, " Using Mesa Xlib renderer.\n");
}
#endif
t = _mesa_GetGLXDispatchTable();
/* Set by glXMakeCurrent() and glXMakeContextCurrent() only */
-#ifndef GLX_BUILD_IN_XLIB_MESA
+#ifndef GLX_BUILT_IN_XMESA
static GLXContext CurrentContext = 0;
#define __glXGetCurrentContext() CurrentContext;
#endif
}
-#ifdef GLX_BUILD_IN_XLIB_MESA
+#ifdef GLX_BUILT_IN_XMESA
/* Use real libGL's glXGetCurrentContext() function */
#else
/* stand-alone Mesa */
#endif
-#ifdef GLX_BUILD_IN_XLIB_MESA
+#ifdef GLX_BUILT_IN_XMESA
/* Use real libGL's glXGetCurrentContext() function */
#else
/* stand-alone Mesa */
Bool b;
struct _glxapi_table *t;
GET_DISPATCH(dpy, t);
- if (!t)
+ if (!t) {
return False;
+ }
b = (*t->MakeCurrent)(dpy, drawable, ctx);
-#ifndef GLX_BUILD_IN_XLIB_MESA
+#ifndef GLX_BUILT_IN_XMESA
if (b) {
CurrentContext = ctx;
}
/*** GLX_VERSION_1_2 ***/
-#if !defined(GLX_BUILD_IN_XLIB_MESA)
+#if !defined(GLX_BUILT_IN_XMESA)
Display *glXGetCurrentDisplay(void)
{
/* Same code as in libGL's glxext.c */
}
-#ifdef GLX_BUILD_IN_XLIB_MESA
+#ifdef GLX_BUILT_IN_XMESA
/* Use the glXGetCurrentReadDrawable() function from libGL */
#else
GLXDrawable glXGetCurrentReadDrawable(void)
if (!t)
return False;
b = (t->MakeContextCurrent)(dpy, draw, read, ctx);
-#ifndef GLX_BUILD_IN_XLIB_MESA
+#ifndef GLX_BUILT_IN_XMESA
if (b) {
CurrentContext = ctx;
}
return (t->MakeCurrentReadSGI)(dpy, draw, read, ctx);
}
-#ifdef GLX_BUILD_IN_XLIB_MESA
+#ifdef GLX_BUILT_IN_XMESA
/* Use glXGetCurrentReadDrawableSGI() from libGL */
#else
/* stand-alone Mesa */
(t->FreeContextEXT)(dpy, context);
}
-#ifdef GLX_BUILD_IN_XLIB_MESA
+#ifdef GLX_BUILT_IN_XMESA
/* Use real libGL's glXGetContextIDEXT() function */
#else
/* stand-alone Mesa */
}
#endif
+#ifdef GLX_BUILT_IN_XMESA
+/* Use real libGL's glXGetCurrentDisplayEXT() function */
+#else
+/* stand-alone Mesa */
Display *glXGetCurrentDisplayEXT(void)
{
return glXGetCurrentDisplay();
}
+#endif
GLXContext glXImportContextEXT(Display *dpy, GLXContextID contextID)
{
+/*** GLX_NV_vertex_array_range ***/
+
+void *
+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
+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
+glXGetAGPOffsetMESA( const GLvoid *pointer )
+{
+ struct _glxapi_table *t;
+ Display *dpy = glXGetCurrentDisplay();
+ GET_DISPATCH(dpy, t);
+ if (!t)
+ return ~0;
+ return (t->GetAGPOffsetMESA)(pointer);
+}
+
+
+/*** GLX_ARB_render_Texture ***/
+
+Bool
+glXBindTexImageARB( Display *dpy, GLXPbuffer pbuffer, int buffer )
+{
+ struct _glxapi_table *t;
+ GET_DISPATCH(dpy, t);
+ if (!t)
+ return False;
+ return (t->BindTexImageARB)(dpy, pbuffer, buffer);
+}
+
+
+Bool
+glXReleaseTexImageARB(Display *dpy, GLXPbuffer pbuffer, int buffer )
+{
+ struct _glxapi_table *t;
+ GET_DISPATCH(dpy, t);
+ if (!t)
+ return False;
+ return (t->ReleaseTexImageARB)(dpy, pbuffer, buffer);
+}
+
+
+Bool
+glXDrawableAttribARB( Display *dpy, GLXDrawable draw, const int *attribList )
+{
+ struct _glxapi_table *t;
+ GET_DISPATCH(dpy, t);
+ if (!t)
+ return False;
+ return (t->DrawableAttribARB)(dpy, draw, attribList);
+}
+
+
/**********************************************************************/
/* GLX API management functions */
#endif
#ifdef GLX_MESA_set_3dfx_mode
"GLX_MESA_set_3dfx_mode",
+#endif
+#ifdef GLX_SGIX_fbconfig
+ "GLX_SGIX_fbconfig",
+#endif
+#ifdef GLX_SGIX_pbuffer
+ "GLX_SGIX_pbuffer",
+#endif
+#ifdef GLX_ARB_render_texture
+ "GLX_ARB_render_texture",
#endif
NULL
};
}
-#if 00
-/*
- * Open the named library and use dlsym() to populate the given dispatch
- * table with GLX function pointers.
- * Return: true = all OK
- * false = can't open libName or can't get required GLX function
- */
-GLboolean
-_glxapi_load_library_table(const char *libName, struct _glxapi_table *t)
-{
- void *libHandle;
- void **entry; /* used to avoid a lot of cast/type warnings */
-
- libHandle = dlopen(libName, 0);
- if (!libHandle) {
- return GL_FALSE;
- }
-
-#define GET_REQ_FUNCTION(ENTRY, NAME) \
- entry = (void **) &(t->ENTRY); \
- *entry = dlsym(libHandle, NAME); \
- if (!*entry) { \
- fprintf(stderr, "libGL Error: couldn't load %s from %s\n", \
- NAME, libName); \
- dlclose(libHandle); \
- return GL_FALSE; \
- }
-
- /* 1.0 and 1.1 functions */
- GET_REQ_FUNCTION(ChooseVisual, "glXChooseVisual");
- GET_REQ_FUNCTION(CopyContext, "glXCopyContext");
- GET_REQ_FUNCTION(CreateContext, "glXCreateContext");
- GET_REQ_FUNCTION(CreateGLXPixmap, "glXCreateGLXPixmap");
- GET_REQ_FUNCTION(DestroyContext, "glXDestroyContext");
- GET_REQ_FUNCTION(GetConfig, "glXGetConfig");
- GET_REQ_FUNCTION(IsDirect, "glXIsDirect");
- GET_REQ_FUNCTION(MakeCurrent, "glXMakeCurrent");
- GET_REQ_FUNCTION(QueryExtension, "glXQueryExtension");
- GET_REQ_FUNCTION(QueryVersion, "glXQueryVersion");
- GET_REQ_FUNCTION(SwapBuffers, "glXSwapBuffers");
- GET_REQ_FUNCTION(UseXFont, "glXUseXFont");
- GET_REQ_FUNCTION(WaitGL, "glXWaitGL");
- GET_REQ_FUNCTION(WaitX, "glXWaitX");
- GET_REQ_FUNCTION(GetClientString, "glXGetClientString");
- GET_REQ_FUNCTION(QueryExtensionsString, "glXQueryExtensionsString");
- GET_REQ_FUNCTION(QueryServerString, "glXQueryServerString");
-
-#define GET_OPT_FUNCTION(ENTRY, NAME) \
- entry = (void **) &(t->ENTRY); \
- *entry = dlsym(libHandle, NAME); \
- if (!*entry) { \
- *entry = (void *) generic_no_op_func; \
- }
-
- /* 1.2, 1.3 and extensions */
- GET_OPT_FUNCTION(ChooseFBConfig, "glXChooseFBConfig");
- GET_OPT_FUNCTION(CreateNewContext, "glXCreateNewContext");
- GET_OPT_FUNCTION(CreatePbuffer, "glXCreatePbuffer");
- GET_OPT_FUNCTION(CreatePixmap, "glXCreatePixmap");
- GET_OPT_FUNCTION(CreateWindow, "glXCreateWindow");
- GET_OPT_FUNCTION(DestroyPbuffer, "glXDestroyPbuffer");
- GET_OPT_FUNCTION(DestroyPixmap, "glXDestroyPixmap");
- GET_OPT_FUNCTION(DestroyWindow, "glXDestroyWindow");
- GET_OPT_FUNCTION(GetFBConfigAttrib, "glXGetFBConfigAttrib");
- GET_OPT_FUNCTION(GetFBConfigs, "glXGetFBConfigs");
- GET_OPT_FUNCTION(GetSelectedEvent, "glXGetSelectedEvent");
- GET_OPT_FUNCTION(GetVisualFromFBConfig, "glXGetVisualFromFBConfig");
- GET_OPT_FUNCTION(MakeContextCurrent, "glXMakeContextCurrent");
- GET_OPT_FUNCTION(QueryContext, "glXQueryContext");
- GET_OPT_FUNCTION(QueryDrawable, "glXQueryDrawable");
- GET_OPT_FUNCTION(SelectEvent, "glXSelectEvent");
- /*** GLX_SGI_swap_control ***/
- GET_OPT_FUNCTION(SwapIntervalSGI, "glXSwapIntervalSGI");
- /*** GLX_SGI_video_sync ***/
- GET_OPT_FUNCTION(GetVideoSyncSGI, "glXGetVideoSyncSGI");
- GET_OPT_FUNCTION(WaitVideoSyncSGI, "glXWaitVideoSyncSGI");
- /*** GLX_SGI_make_current_read ***/
- GET_OPT_FUNCTION(MakeCurrentReadSGI, "glXMakeCurrentReadSGI");
- GET_OPT_FUNCTION(GetCurrentReadDrawableSGI, "glXGetCurrentReadDrawableSGI");
- /*** GLX_SGIX_video_source ***/
-#if defined(_VL_H)
- GET_OPT_FUNCTION(CreateGLXVideoSourceSGIX, "glXCreateGLXVideoSourceSGIX");
- GET_OPT_FUNCTION(DestroyGLXVideoSourceSGIX, "glXDestroyGLXVideoSourceSGIX");
-#endif
- /*** GLX_EXT_import_context ***/
- GET_OPT_FUNCTION(FreeContextEXT, "glXFreeContextEXT");
- GET_OPT_FUNCTION(GetContextIDEXT, "glXGetContextIDEXT");
- GET_OPT_FUNCTION(GetCurrentDisplayEXT, "glXGetCurrentDisplayEXT");
- GET_OPT_FUNCTION(ImportContextEXT, "glXImportContextEXT");
- GET_OPT_FUNCTION(QueryContextInfoEXT, "glXQueryContextInfoEXT");
- /*** GLX_SGIX_fbconfig ***/
- GET_OPT_FUNCTION(GetFBConfigAttribSGIX, "glXGetFBConfigAttribSGIX");
- GET_OPT_FUNCTION(ChooseFBConfigSGIX, "glXChooseFBConfigSGIX");
- GET_OPT_FUNCTION(CreateGLXPixmapWithConfigSGIX, "glXCreateGLXPixmapWithConfigSGIX");
- GET_OPT_FUNCTION(CreateContextWithConfigSGIX, "glXCreateContextWithConfigSGIX");
- GET_OPT_FUNCTION(GetVisualFromFBConfigSGIX, "glXGetVisualFromFBConfigSGIX");
- GET_OPT_FUNCTION(GetFBConfigFromVisualSGIX, "glXGetFBConfigFromVisualSGIX");
- /*** GLX_SGIX_pbuffer ***/
- GET_OPT_FUNCTION(CreateGLXPbufferSGIX, "glXCreateGLXPbufferSGIX");
- GET_OPT_FUNCTION(DestroyGLXPbufferSGIX, "glXDestroyGLXPbufferSGIX");
- GET_OPT_FUNCTION(QueryGLXPbufferSGIX, "glXQueryGLXPbufferSGIX");
- GET_OPT_FUNCTION(SelectEventSGIX, "glXSelectEventSGIX");
- GET_OPT_FUNCTION(GetSelectedEventSGIX, "glXGetSelectedEventSGIX");
- /*** GLX_SGI_cushion ***/
- GET_OPT_FUNCTION(CushionSGI, "glXCushionSGI");
- /*** GLX_SGIX_video_resize ***/
- GET_OPT_FUNCTION(BindChannelToWindowSGIX, "glXBindChannelToWindowSGIX");
- GET_OPT_FUNCTION(ChannelRectSGIX, "glXChannelRectSGIX");
- GET_OPT_FUNCTION(QueryChannelRectSGIX, "glXQueryChannelRectSGIX");
- GET_OPT_FUNCTION(QueryChannelDeltasSGIX, "glXQueryChannelDeltasSGIX");
- GET_OPT_FUNCTION(ChannelRectSyncSGIX, "glXChannelRectSyncSGIX");
- /*** GLX_SGIX_dmbuffer ***/
-#if defined (_DM_BUFFER_H_)
- GET_OPT_FUNCTION(AssociateDMPbufferSGIX, "glXAssociateDMPbufferSGIX");
-#endif
- /*** GLX_SGIX_swap_group ***/
- GET_OPT_FUNCTION(JoinSwapGroupSGIX, "glXJoinSwapGroupSGIX");
- /*** GLX_SGIX_swap_barrier ***/
- GET_OPT_FUNCTION(BindSwapBarrierSGIX, "glXBindSwapBarrierSGIX");
- GET_OPT_FUNCTION(QueryMaxSwapBarriersSGIX, "glXQueryMaxSwapBarriersSGIX");
- /*** GLX_SUN_get_transparent_index ***/
- GET_OPT_FUNCTION(GetTransparentIndexSUN, "glXGetTransparentIndexSUN");
- /*** GLX_MESA_copy_sub_buffer ***/
- GET_OPT_FUNCTION(CopySubBufferMESA, "glXCopySubBufferMESA");
- /*** GLX_MESA_release_buffers ***/
- GET_OPT_FUNCTION(ReleaseBuffersMESA, "glXReleaseBuffersMESA");
- /*** GLX_MESA_pixmap_colormap ***/
- GET_OPT_FUNCTION(CreateGLXPixmapMESA, "glXCreateGLXPixmapMESA");
- /*** GLX_MESA_set_3dfx_mode ***/
- GET_OPT_FUNCTION(Set3DfxModeMESA, "glXSet3DfxModeMESA");
-
- return GL_TRUE;
-}
-#endif
-
-
-
struct name_address_pair {
const char *Name;
GLvoid *Address;
{ "glXQueryDrawable", (GLvoid *) glXQueryDrawable },
{ "glXSelectEvent", (GLvoid *) glXSelectEvent },
+ /*** GLX_VERSION_1_4 ***/
+ { "glXGetProcAddress", (GLvoid *) glXGetProcAddress },
+
/*** GLX_SGI_swap_control ***/
{ "glXSwapIntervalSGI", (GLvoid *) glXSwapIntervalSGI },
/*** GLX_ARB_get_proc_address ***/
{ "glXGetProcAddressARB", (GLvoid *) glXGetProcAddressARB },
+ /*** GLX_NV_vertex_array_range ***/
+ { "glXAllocateMemoryNV", (GLvoid *) glXAllocateMemoryNV },
+ { "glXFreeMemoryNV", (GLvoid *) glXFreeMemoryNV },
+
+ /*** GLX_MESA_agp_offset ***/
+ { "glXGetAGPOffsetMESA", (GLvoid *) glXGetAGPOffsetMESA },
+
+ /*** GLX_ARB_render_texture ***/
+ { "glXBindTexImageARB", (GLvoid *) glXBindTexImageARB },
+ { "glXReleaseTexImageARB", (GLvoid *) glXReleaseTexImageARB },
+ { "glXDrawableAttribARB", (GLvoid *) glXDrawableAttribARB },
+
{ NULL, NULL } /* end of list */
};
f = (gl_function) _glapi_get_proc_address((const char *) procName);
return f;
}
+
+
+/* GLX 1.4 */
+void (*glXGetProcAddress(const GLubyte *procName))()
+{
+ return glXGetProcAddressARB(procName);
+}