diff options
Diffstat (limited to 'src/glx/x11/glxcmds.c')
| -rw-r--r-- | src/glx/x11/glxcmds.c | 788 |
1 files changed, 376 insertions, 412 deletions
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c index 80281896f69..ff04853e931 100644 --- a/src/glx/x11/glxcmds.c +++ b/src/glx/x11/glxcmds.c @@ -1,100 +1,142 @@ +/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */ /* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 1.1 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -*/ + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. 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 including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * 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 + * SILICON GRAPHICS, INC. 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. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ /** * \file glxcmds.c * Client-side GLX interface. */ -#include <inttypes.h> #include "glxclient.h" -#include <X11/extensions/extutil.h> -#include <X11/extensions/Xext.h> -#include <assert.h> -#include <string.h> #include "glapi.h" +#include "glxextensions.h" +#include "glcontextmodes.h" + #ifdef GLX_DIRECT_RENDERING -#include "indirect_init.h" +#include <sys/time.h> #include <X11/extensions/xf86vmode.h> #include "xf86dri.h" #endif -#include "glxextensions.h" -#include "glcontextmodes.h" -#include "glheader.h" -#include <sys/time.h> static const char __glXGLXClientVendorName[] = "SGI"; static const char __glXGLXClientVersion[] = "1.4"; /****************************************************************************/ + +#ifdef GLX_DIRECT_RENDERING + +static Bool windowExistsFlag; +static int windowExistsErrorHandler(Display *dpy, XErrorEvent *xerr) +{ + if (xerr->error_code == BadWindow) { + windowExistsFlag = GL_FALSE; + } + return 0; +} + +/** + * Find drawables in the local hash that have been destroyed on the + * server. + * + * \param dpy Display to destroy drawables for + * \param screen Screen number to destroy drawables for + */ +static void GarbageCollectDRIDrawables(Display *dpy, __GLXscreenConfigs *sc) +{ + XID draw; + __GLXDRIdrawable *pdraw; + XWindowAttributes xwa; + int (*oldXErrorHandler)(Display *, XErrorEvent *); + + /* Set no-op error handler so Xlib doesn't bail out if the windows + * has alreay been destroyed on the server. */ + XSync(dpy, GL_FALSE); + oldXErrorHandler = XSetErrorHandler(windowExistsErrorHandler); + + if (__glxHashFirst(sc->drawHash, &draw, (void *)&pdraw) == 1) { + do { + windowExistsFlag = GL_TRUE; + XGetWindowAttributes(dpy, draw, &xwa); /* dummy request */ + if (!windowExistsFlag) { + /* Destroy the local drawable data, if the drawable no + longer exists in the Xserver */ + (*pdraw->destroyDrawable)(pdraw); + __glxHashDelete(sc->drawHash, draw); + } + } while (__glxHashNext(sc->drawHash, &draw, (void *)&pdraw) == 1); + } + + XSync(dpy, GL_FALSE); + XSetErrorHandler(oldXErrorHandler); +} + +extern __GLXDRIdrawable * +GetGLXDRIDrawable(Display *dpy, GLXDrawable drawable, int * const scrn_num); + /** * Get the __DRIdrawable for the drawable associated with a GLXContext * * \param dpy The display associated with \c drawable. * \param drawable GLXDrawable whose __DRIdrawable part is to be retrieved. + * \param scrn_num If non-NULL, the drawables screen is stored there * \returns A pointer to the context's __DRIdrawable on success, or NULL if * the drawable is not associated with a direct-rendering context. */ - -#ifdef GLX_DIRECT_RENDERING -static __DRIdrawable * -GetDRIDrawable( Display *dpy, GLXDrawable drawable, int * const scrn_num ) +_X_HIDDEN __GLXDRIdrawable * +GetGLXDRIDrawable(Display *dpy, GLXDrawable drawable, int * const scrn_num) { - __GLXdisplayPrivate * const priv = __glXInitialize(dpy); - - if ( (priv != NULL) && (priv->driDisplay.private != NULL) ) { - const unsigned screen_count = ScreenCount(dpy); - unsigned i; - - for ( i = 0 ; i < screen_count ; i++ ) { - __DRIscreen * const psc = &priv->screenConfigs[i].driScreen; - __DRIdrawable * const pdraw = (psc->private != NULL) - ? (*psc->getDrawable)(dpy, drawable, psc->private) : NULL; + __GLXdisplayPrivate *priv = __glXInitialize(dpy); + __GLXDRIdrawable *pdraw; + const unsigned screen_count = ScreenCount(dpy); + unsigned i; + __GLXscreenConfigs *psc; - if ( pdraw != NULL ) { - if ( scrn_num != NULL ) { - *scrn_num = i; - } - return pdraw; - } + if (priv == NULL) + return NULL; + + for (i = 0; i < screen_count; i++) { + psc = &priv->screenConfigs[i]; + if (psc->drawHash == NULL) + continue; + + if (__glxHashLookup(psc->drawHash, drawable, (void *) &pdraw) == 0) { + if (scrn_num != NULL) + *scrn_num = i; + return pdraw; } } return NULL; } + #endif @@ -264,9 +306,9 @@ GLXContext AllocateGLXContext( Display *dpy ) */ gc->fastImageUnpack = GL_FALSE; gc->fillImage = __glFillImage; - gc->isDirect = GL_FALSE; gc->pc = gc->buf; gc->bufEnd = gc->buf + bufSize; + gc->isDirect = GL_FALSE; if (__glXDebug) { /* ** Set limit register so that there will be one command per packet @@ -312,6 +354,10 @@ CreateContext(Display *dpy, XVisualInfo *vis, Bool use_glx_1_3, int renderType) { GLXContext gc; +#ifdef GLX_DIRECT_RENDERING + int screen = (fbconfig == NULL) ? vis->screen : fbconfig->screen; + __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen); +#endif if ( dpy == NULL ) return NULL; @@ -325,41 +371,36 @@ CreateContext(Display *dpy, XVisualInfo *vis, return NULL; #ifdef GLX_DIRECT_RENDERING - if (allowDirect) { - int screen = (fbconfig == NULL) ? vis->screen : fbconfig->screen; - __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen); + if (allowDirect && psc->driScreen) { const __GLcontextModes * mode; - /* The value of fbconfig cannot change because it is tested - * later in the function. - */ - if ( fbconfig == NULL ) { - /* FIXME: Is it possible for the __GLcontextModes structure - * FIXME: to not be found? - */ - mode = _gl_context_modes_find_visual( psc->configs, - vis->visualid ); - assert( mode != NULL ); - assert( mode->screen == screen ); + if (fbconfig == NULL) { + mode = _gl_context_modes_find_visual(psc->visuals, vis->visualid); + if (mode == NULL) { + xError error; + + error.errorCode = BadValue; + error.resourceID = vis->visualid; + error.sequenceNumber = dpy->request; + error.type = X_Error; + error.majorCode = gc->majorOpcode; + error.minorCode = X_GLXCreateContext; + _XError(dpy, &error); + return None; + } } else { mode = fbconfig; } - if (psc && psc->driScreen.private) { - void * const shared = (shareList != NULL) - ? shareList->driContext.private : NULL; - gc->driContext.private = - (*psc->driScreen.createNewContext)( dpy, mode, renderType, - shared, - &gc->driContext ); - if (gc->driContext.private) { - gc->isDirect = GL_TRUE; - gc->screen = mode->screen; - gc->vid = mode->visualID; - gc->fbconfigID = mode->fbconfigID; - gc->driContext.mode = mode; - } + gc->driContext = psc->driScreen->createContext(psc, mode, gc, + shareList, + renderType); + if (gc->driContext != NULL) { + gc->screen = mode->screen; + gc->psc = psc; + gc->mode = mode; + gc->isDirect = GL_TRUE; } } #endif @@ -376,7 +417,11 @@ CreateContext(Display *dpy, XVisualInfo *vis, req->visual = vis->visualid; req->screen = vis->screen; req->shareList = shareList ? shareList->xid : None; - req->isDirect = gc->isDirect; +#ifdef GLX_DIRECT_RENDERING + req->isDirect = gc->driContext != NULL; +#else + req->isDirect = 0; +#endif } else if ( use_glx_1_3 ) { xGLXCreateNewContextReq *req; @@ -390,7 +435,11 @@ CreateContext(Display *dpy, XVisualInfo *vis, req->screen = fbconfig->screen; req->renderType = renderType; req->shareList = shareList ? shareList->xid : None; - req->isDirect = gc->isDirect; +#ifdef GLX_DIRECT_RENDERING + req->isDirect = gc->driContext != NULL; +#else + req->isDirect = 0; +#endif } else { xGLXVendorPrivateWithReplyReq *vpreq; @@ -408,7 +457,11 @@ CreateContext(Display *dpy, XVisualInfo *vis, req->screen = fbconfig->screen; req->renderType = renderType; req->shareList = shareList ? shareList->xid : None; - req->isDirect = gc->isDirect; +#ifdef GLX_DIRECT_RENDERING + req->isDirect = gc->driContext != NULL; +#else + req->isDirect = 0; +#endif } UnlockDisplay(dpy); @@ -430,7 +483,7 @@ PUBLIC GLXContext glXCreateContext(Display *dpy, XVisualInfo *vis, False, 0); } -void __glXFreeContext(__GLXcontext *gc) +_X_HIDDEN void __glXFreeContext(__GLXcontext *gc) { if (gc->vendor) XFree((char *) gc->vendor); if (gc->renderer) XFree((char *) gc->renderer); @@ -466,15 +519,15 @@ DestroyContext(Display *dpy, GLXContext gc) #ifdef GLX_DIRECT_RENDERING /* Destroy the direct rendering context */ - if (gc->isDirect) { - if (gc->driContext.private) { - (*gc->driContext.destroyContext)(dpy, gc->screen, - gc->driContext.private); - gc->driContext.private = NULL; - } + if (gc->driContext) { + (*gc->driContext->destroyContext)(gc->driContext, gc->psc, dpy); + gc->driContext = NULL; + GarbageCollectDRIDrawables(dpy, gc->psc); } #endif + __glXFreeVertexArrayState(gc); + if (gc->currentDpy) { /* Have to free later cuz it's in use now */ __glXUnlock(); @@ -552,7 +605,7 @@ PUBLIC void glXWaitGL(void) __glXFlushRenderBuffer(gc, gc->pc); #ifdef GLX_DIRECT_RENDERING - if (gc->isDirect) { + if (gc->driContext) { /* This bit of ugliness unwraps the glFinish function */ #ifdef glFinish #undef glFinish @@ -588,7 +641,7 @@ PUBLIC void glXWaitX(void) __glXFlushRenderBuffer(gc, gc->pc); #ifdef GLX_DIRECT_RENDERING - if (gc->isDirect) { + if (gc->driContext) { XSync(dpy, False); return; } @@ -618,7 +671,7 @@ PUBLIC void glXUseXFont(Font font, int first, int count, int listBase) (void) __glXFlushRenderBuffer(gc, gc->pc); #ifdef GLX_DIRECT_RENDERING - if (gc->isDirect) { + if (gc->driContext) { DRI_glXUseXFont(font, first, count, listBase); return; } @@ -658,7 +711,7 @@ PUBLIC void glXCopyContext(Display *dpy, GLXContext source, } #ifdef GLX_DIRECT_RENDERING - if (gc->isDirect) { + if (gc->driContext) { /* NOT_DONE: This does not work yet */ } #endif @@ -730,7 +783,7 @@ PUBLIC Bool glXIsDirect(Display *dpy, GLXContext gc) if (!gc) { return GL_FALSE; #ifdef GLX_DIRECT_RENDERING - } else if (gc->isDirect) { + } else if (gc->driContext) { return GL_TRUE; #endif } @@ -793,10 +846,11 @@ PUBLIC void glXSwapBuffers(Display *dpy, GLXDrawable drawable) GLXContextTag tag; CARD8 opcode; #ifdef GLX_DIRECT_RENDERING - __DRIdrawable *pdraw = GetDRIDrawable( dpy, drawable, NULL ); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, NULL); - if ( pdraw != NULL ) { - (*pdraw->swapBuffers)(dpy, pdraw->private); + if (pdraw != NULL) { + glFlush(); + (*pdraw->psc->driScreen->swapBuffers)(pdraw); return; } #endif @@ -840,12 +894,12 @@ PUBLIC int glXGetConfig(Display *dpy, XVisualInfo *vis, int attribute, { __GLXdisplayPrivate *priv; __GLXscreenConfigs *psc; + __GLcontextModes *modes; int status; status = GetGLXPrivScreenConfig( dpy, vis->screen, & priv, & psc ); if ( status == Success ) { - const __GLcontextModes * const modes = _gl_context_modes_find_visual( - psc->configs, vis->visualid ); + modes = _gl_context_modes_find_visual(psc->visuals, vis->visualid); /* Lookup attribute after first finding a match on the visual */ if ( modes != NULL ) { @@ -1223,7 +1277,7 @@ PUBLIC XVisualInfo *glXChooseVisual(Display *dpy, int screen, int *attribList) ** Compute a score for those that do ** Remember which visual, if any, got the highest score */ - for ( modes = psc->configs ; modes != NULL ; modes = modes->next ) { + for ( modes = psc->visuals ; modes != NULL ; modes = modes->next ) { if ( fbconfigs_compatible( & test_config, modes ) && ((best_config == NULL) || (fbconfig_compare( (const __GLcontextModes * const * const)&modes, &best_config ) < 0)) ) { @@ -1268,7 +1322,7 @@ PUBLIC const char *glXQueryExtensionsString( Display *dpy, int screen ) __glXCalculateUsableExtensions(psc, #ifdef GLX_DIRECT_RENDERING - (psc->driScreen.private != NULL), + (psc->driScreen != NULL), #else GL_FALSE, #endif @@ -1447,13 +1501,15 @@ static int __glXQueryContextInfo(Display *dpy, GLXContext ctx) ctx->share_xid = *pProp++; break; case GLX_VISUAL_ID_EXT: - ctx->vid = *pProp++; + ctx->mode = + _gl_context_modes_find_visual(ctx->psc->visuals, *pProp++); break; case GLX_SCREEN: ctx->screen = *pProp++; break; case GLX_FBCONFIG_ID: - ctx->fbconfigID = *pProp++; + ctx->mode = + _gl_context_modes_find_fbconfig(ctx->psc->configs, *pProp++); break; case GLX_RENDER_TYPE: ctx->renderType = *pProp++; @@ -1478,7 +1534,11 @@ glXQueryContext(Display *dpy, GLXContext ctx, int attribute, int *value) int retVal; /* get the information from the server if we don't have it already */ - if (!ctx->isDirect && (ctx->vid == None)) { +#ifdef GLX_DIRECT_RENDERING + if (!ctx->driContext && (ctx->mode == NULL)) { +#else + if (ctx->mode == NULL) { +#endif retVal = __glXQueryContextInfo(dpy, ctx); if (Success != retVal) return retVal; } @@ -1487,13 +1547,13 @@ glXQueryContext(Display *dpy, GLXContext ctx, int attribute, int *value) *value = (int)(ctx->share_xid); break; case GLX_VISUAL_ID_EXT: - *value = (int)(ctx->vid); + *value = ctx->mode ? ctx->mode->visualID : None; break; case GLX_SCREEN: *value = (int)(ctx->screen); break; case GLX_FBCONFIG_ID: - *value = (int)(ctx->fbconfigID); + *value = ctx->mode ? ctx->mode->fbconfigID : None; break; case GLX_RENDER_TYPE: *value = (int)(ctx->renderType); @@ -1591,6 +1651,7 @@ PUBLIC GLXFBConfig *glXGetFBConfigs(Display *dpy, int screen, int *nelements) __GLcontextModes ** config = NULL; int i; + *nelements = 0; if ( (priv->screenConfigs != NULL) && (screen >= 0) && (screen <= ScreenCount(dpy)) && (priv->screenConfigs[screen].configs != NULL) @@ -1615,8 +1676,10 @@ PUBLIC GLXFBConfig *glXGetFBConfigs(Display *dpy, int screen, int *nelements) for ( modes = priv->screenConfigs[screen].configs ; modes != NULL ; modes = modes->next ) { - config[i] = modes; - i++; + if ( modes->fbconfigID != GLX_DONT_CARE ) { + config[i] = modes; + i++; + } } } } @@ -1668,16 +1731,15 @@ static int __glXSwapIntervalSGI(int interval) return GLX_BAD_VALUE; } -#ifdef GLX_DIRECT_RENDERING - if ( gc->isDirect ) { +#ifdef __DRI_SWAP_CONTROL + if (gc->driContext) { __GLXscreenConfigs * const psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen ); - __DRIdrawable * const pdraw = GetDRIDrawable( gc->currentDpy, - gc->currentDrawable, - NULL ); - if ( __glXExtensionBitIsEnabled( psc, SGI_swap_control_bit ) - && (pdraw != NULL) ) { - pdraw->swap_interval = interval; + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(gc->currentDpy, + gc->currentDrawable, + NULL); + if (psc->swapControl != NULL && pdraw != NULL) { + psc->swapControl->setSwapInterval(pdraw->driDrawable, interval); return 0; } else { @@ -1715,25 +1777,22 @@ static int __glXSwapIntervalSGI(int interval) */ static int __glXSwapIntervalMESA(unsigned int interval) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_SWAP_CONTROL GLXContext gc = __glXGetCurrentContext(); if ( interval < 0 ) { return GLX_BAD_VALUE; } - if ( (gc != NULL) && gc->isDirect ) { + if (gc != NULL && gc->driContext) { __GLXscreenConfigs * const psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen ); - if ( (psc != NULL) && (psc->driScreen.private != NULL) - && __glXExtensionBitIsEnabled( psc, MESA_swap_control_bit ) ) { - __DRIdrawable * const pdraw = - (*psc->driScreen.getDrawable)(gc->currentDpy, - gc->currentDrawable, - psc->driScreen.private); - if ( pdraw != NULL ) { - pdraw->swap_interval = interval; + if ( (psc != NULL) && (psc->driScreen != NULL) ) { + __GLXDRIdrawable *pdraw = + GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable, NULL); + if (psc->swapControl != NULL && pdraw != NULL) { + psc->swapControl->setSwapInterval(pdraw->driDrawable, interval); return 0; } } @@ -1748,21 +1807,18 @@ static int __glXSwapIntervalMESA(unsigned int interval) static int __glXGetSwapIntervalMESA(void) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_SWAP_CONTROL GLXContext gc = __glXGetCurrentContext(); - if ( (gc != NULL) && gc->isDirect ) { + if (gc != NULL && gc->driContext) { __GLXscreenConfigs * const psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen ); - if ( (psc != NULL) && (psc->driScreen.private != NULL) - && __glXExtensionBitIsEnabled( psc, MESA_swap_control_bit ) ) { - __DRIdrawable * const pdraw = - (*psc->driScreen.getDrawable)(gc->currentDpy, - gc->currentDrawable, - psc->driScreen.private); - if ( pdraw != NULL ) { - return pdraw->swap_interval; + if ( (psc != NULL) && (psc->driScreen != NULL) ) { + __GLXDRIdrawable *pdraw = + GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable, NULL); + if (psc->swapControl != NULL && pdraw != NULL) { + return psc->swapControl->getSwapInterval(pdraw->driDrawable); } } } @@ -1779,15 +1835,13 @@ static int __glXGetSwapIntervalMESA(void) static GLint __glXBeginFrameTrackingMESA(Display *dpy, GLXDrawable drawable) { int status = GLX_BAD_CONTEXT; -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_FRAME_TRACKING int screen; - __DRIdrawable * const pdraw = GetDRIDrawable(dpy, drawable, & screen); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, &screen); __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen); - if ( (pdraw != NULL) && (pdraw->frameTracking != NULL) - && __glXExtensionBitIsEnabled( psc, MESA_swap_frame_usage_bit ) ) { - status = pdraw->frameTracking( dpy, pdraw->private, GL_TRUE ); - } + if (pdraw != NULL && psc->frameTracking != NULL) + status = psc->frameTracking->frameTracking(pdraw->driDrawable, GL_TRUE); #else (void) dpy; (void) drawable; @@ -1799,15 +1853,14 @@ static GLint __glXBeginFrameTrackingMESA(Display *dpy, GLXDrawable drawable) static GLint __glXEndFrameTrackingMESA(Display *dpy, GLXDrawable drawable) { int status = GLX_BAD_CONTEXT; -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_FRAME_TRACKING int screen; - __DRIdrawable * const pdraw = GetDRIDrawable(dpy, drawable, & screen); - __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, & screen); + __GLXscreenConfigs *psc = GetGLXScreenConfigs(dpy, screen); - if ( (pdraw != NULL) && (pdraw->frameTracking != NULL) - && __glXExtensionBitIsEnabled( psc, MESA_swap_frame_usage_bit ) ) { - status = pdraw->frameTracking( dpy, pdraw->private, GL_FALSE ); - } + if (pdraw != NULL && psc->frameTracking != NULL) + status = psc->frameTracking->frameTracking(pdraw->driDrawable, + GL_FALSE); #else (void) dpy; (void) drawable; @@ -1820,19 +1873,20 @@ static GLint __glXGetFrameUsageMESA(Display *dpy, GLXDrawable drawable, GLfloat *usage) { int status = GLX_BAD_CONTEXT; -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_FRAME_TRACKING int screen; - __DRIdrawable * const pdraw = GetDRIDrawable(dpy, drawable, & screen); + __GLXDRIdrawable * const pdraw = GetGLXDRIDrawable(dpy, drawable, & screen); __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen); - if ( (pdraw != NULL ) && (pdraw->queryFrameTracking != NULL) - && __glXExtensionBitIsEnabled( psc, MESA_swap_frame_usage_bit ) ) { - int64_t sbc, missedFrames; - float lastMissedUsage; + if (pdraw != NULL && psc->frameTracking != NULL) { + int64_t sbc, missedFrames; + float lastMissedUsage; - status = pdraw->queryFrameTracking( dpy, pdraw->private, &sbc, - &missedFrames, &lastMissedUsage, - usage ); + status = psc->frameTracking->queryFrameTracking(pdraw->driDrawable, + &sbc, + &missedFrames, + &lastMissedUsage, + usage); } #else (void) dpy; @@ -1848,18 +1902,17 @@ static GLint __glXQueryFrameTrackingMESA(Display *dpy, GLXDrawable drawable, GLfloat *lastMissedUsage) { int status = GLX_BAD_CONTEXT; -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_FRAME_TRACKING int screen; - __DRIdrawable * const pdraw = GetDRIDrawable(dpy, drawable, & screen); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, & screen); __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen); - if ( (pdraw != NULL ) && (pdraw->queryFrameTracking != NULL) - && __glXExtensionBitIsEnabled( psc, MESA_swap_frame_usage_bit ) ) { + if (pdraw != NULL && psc->frameTracking != NULL) { float usage; - status = pdraw->queryFrameTracking( dpy, pdraw->private, sbc, - missedFrames, lastMissedUsage, - & usage ); + status = psc->frameTracking->queryFrameTracking(pdraw->driDrawable, + sbc, missedFrames, + lastMissedUsage, &usage); } #else (void) dpy; @@ -1881,21 +1934,24 @@ static int __glXGetVideoSyncSGI(unsigned int *count) * FIXME: there should be a GLX encoding for this call. I can find no * FIXME: documentation for the GLX encoding. */ -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_MEDIA_STREAM_COUNTER GLXContext gc = __glXGetCurrentContext(); - if ( (gc != NULL) && gc->isDirect ) { + if (gc != NULL && gc->driContext) { __GLXscreenConfigs * const psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen ); - if ( __glXExtensionBitIsEnabled( psc, SGI_video_sync_bit ) - && psc->driScreen.private && psc->driScreen.getMSC) { - int ret; - int64_t temp; + if ( psc->msc && psc->driScreen ) { + __GLXDRIdrawable *pdraw = + GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable, NULL); + int64_t temp; + int ret; + + ret = (*psc->msc->getDrawableMSC)(psc->__driScreen, + pdraw->driDrawable, &temp); + *count = (unsigned) temp; - ret = psc->driScreen.getMSC( psc->driScreen.private, & temp ); - *count = (unsigned) temp; - return (ret == 0) ? 0 : GLX_BAD_CONTEXT; + return (ret == 0) ? 0 : GLX_BAD_CONTEXT; } } #else @@ -1906,32 +1962,26 @@ static int __glXGetVideoSyncSGI(unsigned int *count) static int __glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_MEDIA_STREAM_COUNTER GLXContext gc = __glXGetCurrentContext(); if ( divisor <= 0 || remainder < 0 ) return GLX_BAD_VALUE; - if ( (gc != NULL) && gc->isDirect ) { + if (gc != NULL && gc->driContext) { __GLXscreenConfigs * const psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen ); - if ( __glXExtensionBitIsEnabled( psc, SGI_video_sync_bit ) - && psc->driScreen.private ) { - __DRIdrawable * const pdraw = - (*psc->driScreen.getDrawable)(gc->currentDpy, - gc->currentDrawable, - psc->driScreen.private); - if ( (pdraw != NULL) && (pdraw->waitForMSC != NULL) ) { - int ret; - int64_t msc; - int64_t sbc; - - ret = (*pdraw->waitForMSC)( gc->currentDpy, pdraw->private, - 0, divisor, remainder, - & msc, & sbc ); - *count = (unsigned) msc; - return (ret == 0) ? 0 : GLX_BAD_CONTEXT; - } + if (psc->msc != NULL && psc->driScreen ) { + __GLXDRIdrawable *pdraw = + GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable, NULL); + int ret; + int64_t msc; + int64_t sbc; + + ret = (*psc->msc->waitForMSC)(pdraw->driDrawable, 0, + divisor, remainder, &msc, &sbc); + *count = (unsigned) msc; + return (ret == 0) ? 0 : GLX_BAD_CONTEXT; } } #else @@ -2083,20 +2133,19 @@ static Bool __glXQueryMaxSwapBarriersSGIX(Display *dpy, int screen, int *max) static Bool __glXGetSyncValuesOML(Display *dpy, GLXDrawable drawable, int64_t *ust, int64_t *msc, int64_t *sbc) { -#ifdef GLX_DIRECT_RENDERING +#if defined(__DRI_SWAP_BUFFER_COUNTER) && defined(__DRI_MEDIA_STREAM_COUNTER) __GLXdisplayPrivate * const priv = __glXInitialize(dpy); if ( priv != NULL ) { int i; - __DRIdrawable * const pdraw = GetDRIDrawable( dpy, drawable, & i ); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, &i); __GLXscreenConfigs * const psc = &priv->screenConfigs[i]; assert( (pdraw == NULL) || (i != -1) ); - return ( (pdraw && pdraw->getSBC && psc->driScreen.getMSC) - && __glXExtensionBitIsEnabled( psc, OML_sync_control_bit ) - && ((*psc->driScreen.getMSC)( psc->driScreen.private, msc ) == 0) - && ((*pdraw->getSBC)( dpy, psc->driScreen.private, sbc ) == 0) - && (__glXGetUST( ust ) == 0) ); + return ( (pdraw && psc->sbc && psc->msc) + && ((*psc->msc->getMSC)(psc->driScreen, msc) == 0) + && ((*psc->sbc->getSBC)(pdraw->driDrawable, sbc) == 0) + && (__glXGetUST(ust) == 0) ); } #else (void) dpy; @@ -2108,6 +2157,68 @@ static Bool __glXGetSyncValuesOML(Display *dpy, GLXDrawable drawable, return False; } +#ifdef GLX_DIRECT_RENDERING +_X_HIDDEN GLboolean +__driGetMscRateOML(__DRIdrawable *draw, + int32_t *numerator, int32_t *denominator, void *private) +{ +#ifdef XF86VIDMODE + __GLXscreenConfigs *psc; + XF86VidModeModeLine mode_line; + int dot_clock; + int i; + __GLXDRIdrawable *glxDraw = private; + + psc = glxDraw->psc; + if (XF86VidModeQueryVersion(psc->dpy, &i, &i) && + XF86VidModeGetModeLine(psc->dpy, psc->scr, &dot_clock, &mode_line) ) { + unsigned n = dot_clock * 1000; + unsigned d = mode_line.vtotal * mode_line.htotal; + +# define V_INTERLACE 0x010 +# define V_DBLSCAN 0x020 + + if (mode_line.flags & V_INTERLACE) + n *= 2; + else if (mode_line.flags & V_DBLSCAN) + d *= 2; + + /* The OML_sync_control spec requires that if the refresh rate is a + * whole number, that the returned numerator be equal to the refresh + * rate and the denominator be 1. + */ + + if (n % d == 0) { + n /= d; + d = 1; + } + else { + static const unsigned f[] = { 13, 11, 7, 5, 3, 2, 0 }; + + /* This is a poor man's way to reduce a fraction. It's far from + * perfect, but it will work well enough for this situation. + */ + + for (i = 0; f[i] != 0; i++) { + while (n % f[i] == 0 && d % f[i] == 0) { + d /= f[i]; + n /= f[i]; + } + } + } + + *numerator = n; + *denominator = d; + + return True; + } + else + return False; +#else + return False; +#endif +} +#endif /** * Determine the refresh rate of the specified drawable and display. @@ -2125,70 +2236,17 @@ static Bool __glXGetSyncValuesOML(Display *dpy, GLXDrawable drawable, * when GLX_OML_sync_control appears in the client extension string. */ -Bool __glXGetMscRateOML(Display * dpy, GLXDrawable drawable, - int32_t * numerator, int32_t * denominator) +_X_HIDDEN GLboolean __glXGetMscRateOML(Display * dpy, GLXDrawable drawable, + int32_t * numerator, + int32_t * denominator) { #if defined( GLX_DIRECT_RENDERING ) && defined( XF86VIDMODE ) - __GLXdisplayPrivate * const priv = __glXInitialize(dpy); - - - if ( priv != NULL ) { - XF86VidModeModeLine mode_line; - int dot_clock; - int screen_num; - int i; - - - GetDRIDrawable( dpy, drawable, & screen_num ); - if ( (screen_num != -1) - && XF86VidModeQueryVersion( dpy, & i, & i ) - && XF86VidModeGetModeLine( dpy, screen_num, & dot_clock, - & mode_line ) ) { - unsigned n = dot_clock * 1000; - unsigned d = mode_line.vtotal * mode_line.htotal; - -# define V_INTERLACE 0x010 -# define V_DBLSCAN 0x020 + __GLXDRIdrawable *draw = GetGLXDRIDrawable(dpy, drawable, NULL); - if ( (mode_line.flags & V_INTERLACE) ) { - n *= 2; - } - else if ( (mode_line.flags & V_DBLSCAN) ) { - d *= 2; - } - - /* The OML_sync_control spec requires that if the refresh rate is a - * whole number, that the returned numerator be equal to the refresh - * rate and the denominator be 1. - */ - - if ( (n % d) == 0 ) { - n /= d; - d = 1; - } - else { - static const unsigned f[] = { 13, 11, 7, 5, 3, 2, 0 }; - - - /* This is a poor man's way to reduce a fraction. It's far from - * perfect, but it will work well enough for this situation. - */ - - for ( i = 0 ; f[i] != 0 ; i++ ) { - while ( ((n % f[i]) == 0) && ((d % f[i]) == 0) ) { - d /= f[i]; - n /= f[i]; - } - } - } - - *numerator = n; - *denominator = d; + if (draw == NULL) + return False; - (void) drawable; - return True; - } - } + return __driGetMscRateOML(draw->driDrawable, numerator, denominator, draw); #else (void) dpy; (void) drawable; @@ -2203,9 +2261,9 @@ static int64_t __glXSwapBuffersMscOML(Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_SWAP_BUFFER_COUNTER int screen; - __DRIdrawable *pdraw = GetDRIDrawable( dpy, drawable, & screen ); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, &screen); __GLXscreenConfigs * const psc = GetGLXScreenConfigs( dpy, screen ); /* The OML_sync_control spec says these should "generate a GLX_BAD_VALUE @@ -2218,11 +2276,10 @@ static int64_t __glXSwapBuffersMscOML(Display *dpy, GLXDrawable drawable, if ( divisor > 0 && remainder >= divisor ) return -1; - if ( (pdraw != NULL) && (pdraw->swapBuffersMSC != NULL) - && __glXExtensionBitIsEnabled( psc, OML_sync_control_bit ) ) { - return (*pdraw->swapBuffersMSC)(dpy, pdraw->private, target_msc, - divisor, remainder); - } + if (pdraw != NULL && psc->counters != NULL) + return (*psc->sbc->swapBuffersMSC)(pdraw->driDrawable, target_msc, + divisor, remainder); + #else (void) dpy; (void) drawable; @@ -2239,9 +2296,9 @@ static Bool __glXWaitForMscOML(Display * dpy, GLXDrawable drawable, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_MEDIA_STREAM_COUNTER int screen; - __DRIdrawable *pdraw = GetDRIDrawable( dpy, drawable, & screen ); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, &screen); __GLXscreenConfigs * const psc = GetGLXScreenConfigs( dpy, screen ); int ret; @@ -2253,10 +2310,9 @@ static Bool __glXWaitForMscOML(Display * dpy, GLXDrawable drawable, if ( divisor > 0 && remainder >= divisor ) return False; - if ( (pdraw != NULL) && (pdraw->waitForMSC != NULL) - && __glXExtensionBitIsEnabled( psc, OML_sync_control_bit ) ) { - ret = (*pdraw->waitForMSC)( dpy, pdraw->private, target_msc, - divisor, remainder, msc, sbc ); + if (pdraw != NULL && psc->msc != NULL) { + ret = (*psc->msc->waitForMSC)(pdraw->driDrawable, target_msc, + divisor, remainder, msc, sbc); /* __glXGetUST returns zero on success and non-zero on failure. * This function returns True on success and False on failure. @@ -2281,9 +2337,9 @@ static Bool __glXWaitForSbcOML(Display * dpy, GLXDrawable drawable, int64_t target_sbc, int64_t *ust, int64_t *msc, int64_t *sbc ) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_SWAP_BUFFER_COUNTER int screen; - __DRIdrawable *pdraw = GetDRIDrawable( dpy, drawable, & screen ); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, &screen); __GLXscreenConfigs * const psc = GetGLXScreenConfigs( dpy, screen ); int ret; @@ -2293,9 +2349,8 @@ static Bool __glXWaitForSbcOML(Display * dpy, GLXDrawable drawable, if ( target_sbc < 0 ) return False; - if ( (pdraw != NULL) && (pdraw->waitForSBC != NULL) - && __glXExtensionBitIsEnabled( psc, OML_sync_control_bit )) { - ret = (*pdraw->waitForSBC)( dpy, pdraw->private, target_sbc, msc, sbc ); + if (pdraw != NULL && psc->sbc != NULL) { + ret = (*psc->sbc->waitForSBC)(pdraw->driDrawable, target_sbc, msc, sbc); /* __glXGetUST returns zero on success and non-zero on failure. * This function returns True on success and False on failure. @@ -2323,16 +2378,13 @@ PUBLIC void *glXAllocateMemoryMESA(Display *dpy, int scrn, size_t size, float readFreq, float writeFreq, float priority) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_ALLOCATE __GLXscreenConfigs * const psc = GetGLXScreenConfigs( dpy, scrn ); - if ( __glXExtensionBitIsEnabled( psc, MESA_allocate_memory_bit ) ) { - if (psc && psc->driScreen.private && psc->driScreen.allocateMemory) { - return (*psc->driScreen.allocateMemory)( dpy, scrn, size, - readFreq, writeFreq, - priority ); - } - } + if (psc && psc->allocate) + return (*psc->allocate->allocateMemory)(psc->__driScreen, size, + readFreq, writeFreq, priority); + #else (void) dpy; (void) scrn; @@ -2348,14 +2400,12 @@ PUBLIC void *glXAllocateMemoryMESA(Display *dpy, int scrn, PUBLIC void glXFreeMemoryMESA(Display *dpy, int scrn, void *pointer) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_ALLOCATE __GLXscreenConfigs * const psc = GetGLXScreenConfigs( dpy, scrn ); - if ( __glXExtensionBitIsEnabled( psc, MESA_allocate_memory_bit ) ) { - if (psc && psc->driScreen.private && psc->driScreen.freeMemory) { - (*psc->driScreen.freeMemory)( dpy, scrn, pointer ); - } - } + if (psc && psc->allocate) + (*psc->allocate->freeMemory)(psc->__driScreen, pointer); + #else (void) dpy; (void) scrn; @@ -2367,14 +2417,12 @@ PUBLIC void glXFreeMemoryMESA(Display *dpy, int scrn, void *pointer) PUBLIC GLuint glXGetMemoryOffsetMESA( Display *dpy, int scrn, const void *pointer ) { -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_ALLOCATE __GLXscreenConfigs * const psc = GetGLXScreenConfigs( dpy, scrn ); - if ( __glXExtensionBitIsEnabled( psc, MESA_allocate_memory_bit ) ) { - if (psc && psc->driScreen.private && psc->driScreen.memoryOffset) { - return (*psc->driScreen.memoryOffset)( dpy, scrn, pointer ); - } - } + if (psc && psc->allocate) + return (*psc->allocate->memoryOffset)(psc->__driScreen, pointer); + #else (void) dpy; (void) scrn; @@ -2447,13 +2495,13 @@ static void __glXCopySubBufferMESA(Display *dpy, GLXDrawable drawable, INT32 *x_ptr, *y_ptr, *w_ptr, *h_ptr; CARD8 opcode; -#ifdef GLX_DIRECT_RENDERING +#ifdef __DRI_COPY_SUB_BUFFER int screen; - __DRIdrawable *pdraw = GetDRIDrawable( dpy, drawable, & screen ); + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, &screen); if ( pdraw != NULL ) { - __GLXscreenConfigs * const psc = GetGLXScreenConfigs( dpy, screen ); - if ( __glXExtensionBitIsEnabled( psc, MESA_copy_sub_buffer_bit ) ) { - (*pdraw->copySubBuffer)(dpy, pdraw->private, x, y, width, height); + __GLXscreenConfigs * const psc = GetGLXScreenConfigs(dpy, screen); + if (psc->driScreen->copySubBuffer != NULL) { + (*psc->driScreen->copySubBuffer)(pdraw, x, y, width, height); } return; @@ -2529,8 +2577,16 @@ static void __glXBindTexImageEXT(Display *dpy, } #ifdef GLX_DIRECT_RENDERING - if (gc->isDirect) + if (gc->driContext) { + __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable, NULL); + + if (pdraw != NULL) + (*pdraw->psc->texBuffer->setTexBuffer)(gc->__driContext, + pdraw->textureTarget, + pdraw->driDrawable); + return; + } #endif opcode = __glXSetupForCommand(dpy); @@ -2581,7 +2637,7 @@ static void __glXReleaseTexImageEXT(Display *dpy, return; #ifdef GLX_DIRECT_RENDERING - if (gc->isDirect) + if (gc->driContext) return; #endif @@ -2613,7 +2669,7 @@ static void __glXReleaseTexImageEXT(Display *dpy, * * \sa strdup */ -char * +_X_HIDDEN char * __glXstrdup(const char *str) { char *copy; @@ -2841,98 +2897,6 @@ PUBLIC void (*glXGetProcAddress(const GLubyte *procName))( void ) #ifdef GLX_DIRECT_RENDERING /** - * Retrieves the verion of the internal libGL API in YYYYMMDD format. This - * might be used by the DRI drivers to determine how new libGL is at runtime. - * Drivers should not call this function directly. They should instead use - * \c glXGetProcAddress to obtain a pointer to the function. - * - * \returns An 8-digit decimal number representing the internal libGL API in - * YYYYMMDD format. - * - * \sa glXGetProcAddress, PFNGLXGETINTERNALVERSIONPROC - * - * \since Internal API version 20021121. - */ -int __glXGetInternalVersion(void) -{ - /* History: - * 20021121 - Initial version - * 20021128 - Added __glXWindowExists() function - * 20021207 - Added support for dynamic GLX extensions, - * GLX_SGI_swap_control, GLX_SGI_video_sync, - * GLX_OML_sync_control, and GLX_MESA_swap_control. - * Never officially released. Do NOT test against - * this version. Use 20030317 instead. - * 20030317 - Added support GLX_SGIX_fbconfig, - * GLX_MESA_swap_frame_usage, GLX_OML_swap_method, - * GLX_{ARB,SGIS}_multisample, and - * GLX_SGIX_visual_select_group. - * 20030606 - Added support for GLX_SGI_make_current_read. - * 20030813 - Made support for dynamic extensions multi-head aware. - * 20030818 - Added support for GLX_MESA_allocate_memory in place of the - * deprecated GLX_NV_vertex_array_range & GLX_MESA_agp_offset - * interfaces. - * 20031201 - Added support for the first round of DRI interface changes. - * Do NOT test against this version! It has binary - * compatibility bugs, use 20040317 instead. - * 20040317 - Added the 'mode' field to __DRIcontextRec. - * 20040415 - Added support for bindContext3 and unbindContext3. - * 20040602 - Add __glXGetDrawableInfo. I though that was there - * months ago. :( - * 20050727 - Gut all the old interfaces. This breaks compatability with - * any DRI driver built to any previous version. - * 20060314 - Added support for GLX_MESA_copy_sub_buffer. - * 20070105 - Added support for damage reporting. - */ - return 20070105; -} - - - -static Bool windowExistsFlag; - -static int windowExistsErrorHandler(Display *dpy, XErrorEvent *xerr) -{ - if (xerr->error_code == BadWindow) { - windowExistsFlag = GL_FALSE; - } - return 0; -} - -/** - * Determine if a window associated with a \c GLXDrawable exists on the - * X-server. This function is not used internally by libGL. It is provided - * as a utility function for DRI drivers. - * Drivers should not call this function directly. They should instead use - * \c glXGetProcAddress to obtain a pointer to the function. - * - * \param dpy Display associated with the drawable to be queried. - * \param draw \c GLXDrawable to test. - * - * \returns \c GL_TRUE if a window exists that is associated with \c draw, - * otherwise \c GL_FALSE is returned. - * - * \warning This function is not currently thread-safe. - * - * \sa glXGetProcAddress - * - * \since Internal API version 20021128. - */ -Bool __glXWindowExists(Display *dpy, GLXDrawable draw) -{ - XWindowAttributes xwa; - int (*oldXErrorHandler)(Display *, XErrorEvent *); - - XSync(dpy, GL_FALSE); - windowExistsFlag = GL_TRUE; - oldXErrorHandler = XSetErrorHandler(windowExistsErrorHandler); - XGetWindowAttributes(dpy, draw, &xwa); /* dummy request */ - XSetErrorHandler(oldXErrorHandler); - return windowExistsFlag; -} - - -/** * Get the unadjusted system time (UST). Currently, the UST is measured in * microseconds since Epoc. The actual resolution of the UST may vary from * system to system, and the units may vary from release to release. @@ -2946,7 +2910,7 @@ Bool __glXWindowExists(Display *dpy, GLXDrawable draw) * * \since Internal API version 20030317. */ -int __glXGetUST( int64_t * ust ) +_X_HIDDEN int __glXGetUST( int64_t * ust ) { struct timeval tv; |