From 1d822ea8cfa765802fe63b1a5d8d2bd83118007f Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 15 Mar 2002 18:33:12 +0000 Subject: [PATCH] updated comments. removed dead code. --- src/mesa/drivers/x11/glxapi.c | 143 +--------------------------------- src/mesa/drivers/x11/glxapi.h | 20 +++-- 2 files changed, 17 insertions(+), 146 deletions(-) diff --git a/src/mesa/drivers/x11/glxapi.c b/src/mesa/drivers/x11/glxapi.c index f0fd85333c1..c35d2878165 100644 --- a/src/mesa/drivers/x11/glxapi.c +++ b/src/mesa/drivers/x11/glxapi.c @@ -1,8 +1,8 @@ -/* $Id: glxapi.c,v 1.28 2001/09/14 02:43:03 brianp Exp $ */ +/* $Id: glxapi.c,v 1.29 2002/03/15 18:33:12 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.5 + * Version: 4.0.2 * * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. * @@ -28,6 +28,7 @@ /* * 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. */ @@ -35,7 +36,6 @@ #include #include #include -/*#include */ /* XXX not portable? */ #include "glapi.h" #include "glxapi.h" @@ -1064,143 +1064,6 @@ _glxapi_set_no_op_table(struct _glxapi_table *t) } -#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; diff --git a/src/mesa/drivers/x11/glxapi.h b/src/mesa/drivers/x11/glxapi.h index 1c4cb03622d..886cf76d74b 100644 --- a/src/mesa/drivers/x11/glxapi.h +++ b/src/mesa/drivers/x11/glxapi.h @@ -1,8 +1,8 @@ -/* $Id: glxapi.h,v 1.11 2001/05/29 23:15:07 brianp Exp $ */ +/* $Id: glxapi.h,v 1.12 2002/03/15 18:33:12 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.5 + * Version: 4.0.2 * * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. * @@ -34,10 +34,16 @@ #ifdef GLX_BUILT_IN_XMESA -/* The GLX API dispatcher is being built into XFree86's libGL */ +/* The GLX API dispatcher (i.e. this code) is being built into XFree86's + * libGL so we'll use the __GLXContextRec defined in xc/lib/GL/glx/glxclient.h +*/ #include "glxclient.h" #else -/* The GLX API dispatcher is being built into stand-alone Mesa */ +/* The GLX API dispatcher (i.e. this code) is being built into stand-alone + * Mesa. We don't know anything about XFree86 or real GLX so we define a + * minimal __GLXContextRec here so some of the functions in this file can + * work properly. + */ typedef struct __GLXcontextRec { Display *currentDpy; GLboolean isDirect; @@ -57,8 +63,10 @@ typedef struct __GLXcontextRec { * pseudo-GLX can be present at the same time. The former being used on * GLX-enabled X servers and the later on non-GLX X servers. * - * XXX Note that this hasn't actually been fully used yet in either Mesa or - * the DRI. Red Hat, however, has used it for their custom libGL. + * Red Hat has been using this since Red Hat Linux 7.0 (I think). + * This'll be a standard feature in XFree86 4.3. It basically allows one + * libGL to do both DRI-rendering and "fake GLX" rendering to X displays + * that lack the GLX extension. */ struct _glxapi_table { /*** GLX_VERSION_1_0 ***/ -- 2.30.2