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-rw-r--r--src/glx/x11/glxext.c2383
1 files changed, 765 insertions, 1618 deletions
diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c
index 6403cbd56df..0b7a7af731f 100644
--- a/src/glx/x11/glxext.c
+++ b/src/glx/x11/glxext.c
@@ -1,38 +1,33 @@
-
+/* -*- 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 glxext.c
@@ -41,28 +36,15 @@
* Direct rendering support added by Precision Insight, Inc.
*
* \author Kevin E. Martin <[email protected]>
- */
+ */
+#include <assert.h>
#include "glxclient.h"
-#include <stdio.h>
#include <X11/extensions/Xext.h>
#include <X11/extensions/extutil.h>
-#include <X11/extensions/Xfixes.h>
-#include <X11/extensions/Xdamage.h>
-#include <assert.h>
-#include "indirect_init.h"
#include "glapi.h"
#include "glxextensions.h"
#include "glcontextmodes.h"
-#include "glheader.h"
-
-#ifdef GLX_DIRECT_RENDERING
-#include <inttypes.h>
-#include <sys/mman.h>
-#include "xf86dri.h"
-#include "sarea.h"
-#include "dri_glx.h"
-#endif
#ifdef USE_XCB
#include <X11/Xlib-xcb.h>
@@ -70,210 +52,29 @@
#include <xcb/glx.h>
#endif
-#include <assert.h>
#ifdef DEBUG
-void __glXDumpDrawBuffer(__GLXcontext *ctx);
+void __glXDumpDrawBuffer(__GLXcontext * ctx);
#endif
#ifdef USE_SPARC_ASM
-/*
- * This is where our dispatch table's bounds are.
- * And the static mesa_init is taken directly from
- * Mesa's 'sparc.c' initializer.
- *
- * We need something like this here, because this version
- * of openGL/glx never initializes a Mesa context, and so
- * the address of the dispatch table pointer never gets stuffed
- * into the dispatch jump table otherwise.
- *
- * It matters only on SPARC, and only if you are using assembler
- * code instead of C-code indirect dispatch.
- *
- * -- FEM, 04.xii.03
- */
-extern unsigned int _mesa_sparc_glapi_begin;
-extern unsigned int _mesa_sparc_glapi_end;
-extern void __glapi_sparc_icache_flush(unsigned int *);
static void _glx_mesa_init_sparc_glapi_relocs(void);
static int _mesa_sparc_needs_init = 1;
-#define INIT_MESA_SPARC { \
- if(_mesa_sparc_needs_init) { \
+#define INIT_MESA_SPARC do { \
+ if (_mesa_sparc_needs_init) { \
_glx_mesa_init_sparc_glapi_relocs(); \
- _mesa_sparc_needs_init = 0; \
- } \
-}
-#else
-#define INIT_MESA_SPARC
-#endif
-
-#ifdef GLX_DIRECT_RENDERING
-static __DRIscreen *__glXFindDRIScreen(__DRInativeDisplay *dpy, int scrn);
-#endif /* GLX_DIRECT_RENDERING */
-
-static Bool MakeContextCurrent(Display *dpy, GLXDrawable draw,
- GLXDrawable read, GLXContext gc);
-
-/*
-** We setup some dummy structures here so that the API can be used
-** even if no context is current.
-*/
-
-static GLubyte dummyBuffer[__GLX_BUFFER_LIMIT_SIZE];
-
-/*
-** Dummy context used by small commands when there is no current context.
-** All the
-** gl and glx entry points are designed to operate as nop's when using
-** the dummy context structure.
-*/
-static __GLXcontext dummyContext = {
- &dummyBuffer[0],
- &dummyBuffer[0],
- &dummyBuffer[0],
- &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE],
- sizeof(dummyBuffer),
-};
-
-
-/*
-** All indirect rendering contexts will share the same indirect dispatch table.
-*/
-static __GLapi *IndirectAPI = NULL;
-
-
-/*
- * Current context management and locking
- */
-
-#if defined( USE_XTHREADS )
-
-/* thread safe */
-static GLboolean TSDinitialized = GL_FALSE;
-static xthread_key_t ContextTSD;
-
-__GLXcontext *__glXGetCurrentContext(void)
-{
- if (!TSDinitialized) {
- xthread_key_create(&ContextTSD, NULL);
- TSDinitialized = GL_TRUE;
- return &dummyContext;
- }
- else {
- void *p;
- xthread_get_specific(ContextTSD, &p);
- if (!p)
- return &dummyContext;
- else
- return (__GLXcontext *) p;
- }
-}
-
-void __glXSetCurrentContext(__GLXcontext *c)
-{
- if (!TSDinitialized) {
- xthread_key_create(&ContextTSD, NULL);
- TSDinitialized = GL_TRUE;
- }
- xthread_set_specific(ContextTSD, c);
-}
-
-
-/* Used by the __glXLock() and __glXUnlock() macros */
-xmutex_rec __glXmutex;
-
-#elif defined( PTHREADS )
-
-pthread_mutex_t __glXmutex = PTHREAD_MUTEX_INITIALIZER;
-
-# if defined( GLX_USE_TLS )
-
-/**
- * Per-thread GLX context pointer.
- *
- * \c __glXSetCurrentContext is written is such a way that this pointer can
- * \b never be \c NULL. This is important! Because of this
- * \c __glXGetCurrentContext can be implemented as trivial macro.
- */
-__thread void * __glX_tls_Context __attribute__((tls_model("initial-exec")))
- = &dummyContext;
-
-void __glXSetCurrentContext( __GLXcontext * c )
-{
- __glX_tls_Context = (c != NULL) ? c : &dummyContext;
-}
-
-# else
-
-static pthread_once_t once_control = PTHREAD_ONCE_INIT;
-
-/**
- * Per-thread data key.
- *
- * Once \c init_thread_data has been called, the per-thread data key will
- * take a value of \c NULL. As each new thread is created the default
- * value, in that thread, will be \c NULL.
- */
-static pthread_key_t ContextTSD;
-
-/**
- * Initialize the per-thread data key.
- *
- * This function is called \b exactly once per-process (not per-thread!) to
- * initialize the per-thread data key. This is ideally done using the
- * \c pthread_once mechanism.
- */
-static void init_thread_data( void )
-{
- if ( pthread_key_create( & ContextTSD, NULL ) != 0 ) {
- perror( "pthread_key_create" );
- exit( -1 );
- }
-}
-
-void __glXSetCurrentContext( __GLXcontext * c )
-{
- pthread_once( & once_control, init_thread_data );
- pthread_setspecific( ContextTSD, c );
-}
-
-__GLXcontext * __glXGetCurrentContext( void )
-{
- void * v;
-
- pthread_once( & once_control, init_thread_data );
-
- v = pthread_getspecific( ContextTSD );
- return (v == NULL) ? & dummyContext : (__GLXcontext *) v;
-}
-
-# endif /* defined( GLX_USE_TLS ) */
-
-#elif defined( THREADS )
-
-#error Unknown threading method specified.
-
+ _mesa_sparc_needs_init = 0; \
+ } \
+ } while(0)
#else
-
-/* not thread safe */
-__GLXcontext *__glXcurrentContext = &dummyContext;
-
+#define INIT_MESA_SPARC do { } while(0)
#endif
-
/*
** You can set this cell to 1 to force the gl drawing stuff to be
** one command per packet
*/
-int __glXDebug = 0;
-
-/*
-** forward prototype declarations
-*/
-int __glXCloseDisplay(Display *dpy, XExtCodes *codes);
-
-
-/************************************************************************/
+_X_HIDDEN int __glXDebug = 0;
/* Extension required boiler plate */
@@ -281,128 +82,135 @@ static char *__glXExtensionName = GLX_EXTENSION_NAME;
XExtensionInfo *__glXExtensionInfo = NULL;
static /* const */ char *error_list[] = {
- "GLXBadContext",
- "GLXBadContextState",
- "GLXBadDrawable",
- "GLXBadPixmap",
- "GLXBadContextTag",
- "GLXBadCurrentWindow",
- "GLXBadRenderRequest",
- "GLXBadLargeRequest",
- "GLXUnsupportedPrivateRequest",
- "GLXBadFBConfig",
- "GLXBadPbuffer",
- "GLXBadCurrentDrawable",
- "GLXBadWindow",
+ "GLXBadContext",
+ "GLXBadContextState",
+ "GLXBadDrawable",
+ "GLXBadPixmap",
+ "GLXBadContextTag",
+ "GLXBadCurrentWindow",
+ "GLXBadRenderRequest",
+ "GLXBadLargeRequest",
+ "GLXUnsupportedPrivateRequest",
+ "GLXBadFBConfig",
+ "GLXBadPbuffer",
+ "GLXBadCurrentDrawable",
+ "GLXBadWindow",
};
-int __glXCloseDisplay(Display *dpy, XExtCodes *codes)
+static int
+__glXCloseDisplay(Display * dpy, XExtCodes * codes)
{
- GLXContext gc;
+ GLXContext gc;
- gc = __glXGetCurrentContext();
- if (dpy == gc->currentDpy) {
- __glXSetCurrentContext(&dummyContext);
-#ifdef GLX_DIRECT_RENDERING
- _glapi_set_dispatch(NULL); /* no-op functions */
-#endif
- __glXFreeContext(gc);
- }
+ gc = __glXGetCurrentContext();
+ if (dpy == gc->currentDpy) {
+ __glXSetCurrentContextNull();
+ __glXFreeContext(gc);
+ }
- return XextRemoveDisplay(__glXExtensionInfo, dpy);
+ return XextRemoveDisplay(__glXExtensionInfo, dpy);
}
-static XEXT_GENERATE_ERROR_STRING(__glXErrorString, __glXExtensionName,
- __GLX_NUMBER_ERRORS, error_list)
-
-static /* const */ XExtensionHooks __glXExtensionHooks = {
- NULL, /* create_gc */
- NULL, /* copy_gc */
- NULL, /* flush_gc */
- NULL, /* free_gc */
- NULL, /* create_font */
- NULL, /* free_font */
- __glXCloseDisplay, /* close_display */
- NULL, /* wire_to_event */
- NULL, /* event_to_wire */
- NULL, /* error */
- __glXErrorString, /* error_string */
-};
+static
+XEXT_GENERATE_ERROR_STRING(__glXErrorString, __glXExtensionName,
+ __GLX_NUMBER_ERRORS, error_list)
+
+ static /* const */ XExtensionHooks __glXExtensionHooks = {
+ NULL, /* create_gc */
+ NULL, /* copy_gc */
+ NULL, /* flush_gc */
+ NULL, /* free_gc */
+ NULL, /* create_font */
+ NULL, /* free_font */
+ __glXCloseDisplay, /* close_display */
+ NULL, /* wire_to_event */
+ NULL, /* event_to_wire */
+ NULL, /* error */
+ __glXErrorString, /* error_string */
+ };
static
XEXT_GENERATE_FIND_DISPLAY(__glXFindDisplay, __glXExtensionInfo,
- __glXExtensionName, &__glXExtensionHooks,
- __GLX_NUMBER_EVENTS, NULL)
+ __glXExtensionName, &__glXExtensionHooks,
+ __GLX_NUMBER_EVENTS, NULL)
/************************************************************************/
-
/*
** Free the per screen configs data as well as the array of
** __glXScreenConfigs.
*/
-static void FreeScreenConfigs(__GLXdisplayPrivate *priv)
+ static void FreeScreenConfigs(__GLXdisplayPrivate * priv)
{
- __GLXscreenConfigs *psc;
- GLint i, screens;
-
- /* Free screen configuration information */
- psc = priv->screenConfigs;
- screens = ScreenCount(priv->dpy);
- for (i = 0; i < screens; i++, psc++) {
- if (psc->configs) {
- _gl_context_modes_destroy( psc->configs );
- if(psc->effectiveGLXexts)
- Xfree(psc->effectiveGLXexts);
-
- psc->configs = NULL; /* NOTE: just for paranoia */
- }
- Xfree((char*) psc->serverGLXexts);
+ __GLXscreenConfigs *psc;
+ GLint i, screens;
+
+ /* Free screen configuration information */
+ psc = priv->screenConfigs;
+ screens = ScreenCount(priv->dpy);
+ for (i = 0; i < screens; i++, psc++) {
+ if (psc->configs) {
+ _gl_context_modes_destroy(psc->configs);
+ if (psc->effectiveGLXexts)
+ Xfree(psc->effectiveGLXexts);
+ psc->configs = NULL; /* NOTE: just for paranoia */
+ }
+ if (psc->visuals) {
+ _gl_context_modes_destroy(psc->visuals);
+ psc->visuals = NULL; /* NOTE: just for paranoia */
+ }
+ Xfree((char *) psc->serverGLXexts);
#ifdef GLX_DIRECT_RENDERING
- /* Free the direct rendering per screen data */
- if (psc->driScreen.private)
- (*psc->driScreen.destroyScreen)(priv->dpy, i,
- psc->driScreen.private);
- psc->driScreen.private = NULL;
+ if (psc->driScreen) {
+ psc->driScreen->destroyScreen(psc);
+ __glxHashDestroy(psc->drawHash);
+ XFree(psc->driScreen);
+ psc->driScreen = NULL;
+ }
#endif
- }
- XFree((char*) priv->screenConfigs);
+ }
+ XFree((char *) priv->screenConfigs);
+ priv->screenConfigs = NULL;
}
/*
** Release the private memory referred to in a display private
** structure. The caller will free the extension structure.
*/
-static int __glXFreeDisplayPrivate(XExtData *extension)
+static int
+__glXFreeDisplayPrivate(XExtData * extension)
{
- __GLXdisplayPrivate *priv;
-
- priv = (__GLXdisplayPrivate*) extension->private_data;
- FreeScreenConfigs(priv);
- if(priv->serverGLXvendor) {
- Xfree((char*)priv->serverGLXvendor);
- priv->serverGLXvendor = 0x0; /* to protect against double free's */
- }
- if(priv->serverGLXversion) {
- Xfree((char*)priv->serverGLXversion);
- priv->serverGLXversion = 0x0; /* to protect against double free's */
- }
+ __GLXdisplayPrivate *priv;
+
+ priv = (__GLXdisplayPrivate *) extension->private_data;
+ FreeScreenConfigs(priv);
+ if (priv->serverGLXvendor) {
+ Xfree((char *) priv->serverGLXvendor);
+ priv->serverGLXvendor = 0x0; /* to protect against double free's */
+ }
+ if (priv->serverGLXversion) {
+ Xfree((char *) priv->serverGLXversion);
+ priv->serverGLXversion = 0x0; /* to protect against double free's */
+ }
#ifdef GLX_DIRECT_RENDERING
- /* Free the direct rendering per display data */
- if (priv->driDisplay.private)
- (*priv->driDisplay.destroyDisplay)(priv->dpy,
- priv->driDisplay.private);
- priv->driDisplay.private = NULL;
- if (priv->driDisplay.createNewScreen) {
- Xfree(priv->driDisplay.createNewScreen); /* free array of ptrs */
- priv->driDisplay.createNewScreen = NULL;
- }
+ /* Free the direct rendering per display data */
+ if (priv->driswDisplay)
+ (*priv->driswDisplay->destroyDisplay) (priv->driswDisplay);
+ priv->driswDisplay = NULL;
+
+ if (priv->driDisplay)
+ (*priv->driDisplay->destroyDisplay) (priv->driDisplay);
+ priv->driDisplay = NULL;
+
+ if (priv->dri2Display)
+ (*priv->dri2Display->destroyDisplay) (priv->dri2Display);
+ priv->dri2Display = NULL;
#endif
- Xfree((char*) priv);
- return 0;
+ Xfree((char *) priv);
+ return 0;
}
/************************************************************************/
@@ -411,72 +219,73 @@ static int __glXFreeDisplayPrivate(XExtData *extension)
** Query the version of the GLX extension. This procedure works even if
** the client extension is not completely set up.
*/
-static Bool QueryVersion(Display *dpy, int opcode, int *major, int *minor)
+static Bool
+QueryVersion(Display * dpy, int opcode, int *major, int *minor)
{
- xGLXQueryVersionReq *req;
- xGLXQueryVersionReply reply;
-
- /* Send the glXQueryVersion request */
- LockDisplay(dpy);
- GetReq(GLXQueryVersion,req);
- req->reqType = opcode;
- req->glxCode = X_GLXQueryVersion;
- req->majorVersion = GLX_MAJOR_VERSION;
- req->minorVersion = GLX_MINOR_VERSION;
- _XReply(dpy, (xReply*) &reply, 0, False);
- UnlockDisplay(dpy);
- SyncHandle();
-
- if (reply.majorVersion != GLX_MAJOR_VERSION) {
- /*
- ** The server does not support the same major release as this
- ** client.
- */
- return GL_FALSE;
- }
- *major = reply.majorVersion;
- *minor = min(reply.minorVersion, GLX_MINOR_VERSION);
- return GL_TRUE;
+ xGLXQueryVersionReq *req;
+ xGLXQueryVersionReply reply;
+
+ /* Send the glXQueryVersion request */
+ LockDisplay(dpy);
+ GetReq(GLXQueryVersion, req);
+ req->reqType = opcode;
+ req->glxCode = X_GLXQueryVersion;
+ req->majorVersion = GLX_MAJOR_VERSION;
+ req->minorVersion = GLX_MINOR_VERSION;
+ _XReply(dpy, (xReply *) & reply, 0, False);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (reply.majorVersion != GLX_MAJOR_VERSION) {
+ /*
+ ** The server does not support the same major release as this
+ ** client.
+ */
+ return GL_FALSE;
+ }
+ *major = reply.majorVersion;
+ *minor = min(reply.minorVersion, GLX_MINOR_VERSION);
+ return GL_TRUE;
}
-void
-__glXInitializeVisualConfigFromTags( __GLcontextModes *config, int count,
- const INT32 *bp, Bool tagged_only,
- Bool fbconfig_style_tags )
+_X_HIDDEN void
+__glXInitializeVisualConfigFromTags(__GLcontextModes * config, int count,
+ const INT32 * bp, Bool tagged_only,
+ Bool fbconfig_style_tags)
{
- int i;
+ int i;
- if (!tagged_only) {
- /* Copy in the first set of properties */
- config->visualID = *bp++;
+ if (!tagged_only) {
+ /* Copy in the first set of properties */
+ config->visualID = *bp++;
- config->visualType = _gl_convert_from_x_visual_type( *bp++ );
+ config->visualType = _gl_convert_from_x_visual_type(*bp++);
- config->rgbMode = *bp++;
+ config->rgbMode = *bp++;
- config->redBits = *bp++;
- config->greenBits = *bp++;
- config->blueBits = *bp++;
- config->alphaBits = *bp++;
- config->accumRedBits = *bp++;
- config->accumGreenBits = *bp++;
- config->accumBlueBits = *bp++;
- config->accumAlphaBits = *bp++;
+ config->redBits = *bp++;
+ config->greenBits = *bp++;
+ config->blueBits = *bp++;
+ config->alphaBits = *bp++;
+ config->accumRedBits = *bp++;
+ config->accumGreenBits = *bp++;
+ config->accumBlueBits = *bp++;
+ config->accumAlphaBits = *bp++;
- config->doubleBufferMode = *bp++;
- config->stereoMode = *bp++;
+ config->doubleBufferMode = *bp++;
+ config->stereoMode = *bp++;
- config->rgbBits = *bp++;
- config->depthBits = *bp++;
- config->stencilBits = *bp++;
- config->numAuxBuffers = *bp++;
- config->level = *bp++;
+ config->rgbBits = *bp++;
+ config->depthBits = *bp++;
+ config->stencilBits = *bp++;
+ config->numAuxBuffers = *bp++;
+ config->level = *bp++;
- count -= __GLX_MIN_CONFIG_PROPS;
- }
+ count -= __GLX_MIN_CONFIG_PROPS;
+ }
- /*
+ /*
** Additional properties may be in a list at the end
** of the reply. They are in pairs of property type
** and property value.
@@ -485,858 +294,498 @@ __glXInitializeVisualConfigFromTags( __GLcontextModes *config, int count,
#define FETCH_OR_SET(tag) \
config-> tag = ( fbconfig_style_tags ) ? *bp++ : 1
- for (i = 0; i < count; i += 2 ) {
- switch(*bp++) {
- case GLX_RGBA:
- FETCH_OR_SET( rgbMode );
- break;
- case GLX_BUFFER_SIZE:
- config->rgbBits = *bp++;
- break;
- case GLX_LEVEL:
- config->level = *bp++;
- break;
- case GLX_DOUBLEBUFFER:
- FETCH_OR_SET( doubleBufferMode );
- break;
- case GLX_STEREO:
- FETCH_OR_SET( stereoMode );
- break;
- case GLX_AUX_BUFFERS:
- config->numAuxBuffers = *bp++;
- break;
- case GLX_RED_SIZE:
- config->redBits = *bp++;
- break;
- case GLX_GREEN_SIZE:
- config->greenBits = *bp++;
- break;
- case GLX_BLUE_SIZE:
- config->blueBits = *bp++;
- break;
- case GLX_ALPHA_SIZE:
- config->alphaBits = *bp++;
- break;
- case GLX_DEPTH_SIZE:
- config->depthBits = *bp++;
- break;
- case GLX_STENCIL_SIZE:
- config->stencilBits = *bp++;
- break;
- case GLX_ACCUM_RED_SIZE:
- config->accumRedBits = *bp++;
- break;
- case GLX_ACCUM_GREEN_SIZE:
- config->accumGreenBits = *bp++;
- break;
- case GLX_ACCUM_BLUE_SIZE:
- config->accumBlueBits = *bp++;
- break;
- case GLX_ACCUM_ALPHA_SIZE:
- config->accumAlphaBits = *bp++;
- break;
- case GLX_VISUAL_CAVEAT_EXT:
- config->visualRating = *bp++;
- break;
- case GLX_X_VISUAL_TYPE:
- config->visualType = *bp++;
- break;
- case GLX_TRANSPARENT_TYPE:
- config->transparentPixel = *bp++;
- break;
- case GLX_TRANSPARENT_INDEX_VALUE:
- config->transparentIndex = *bp++;
- break;
- case GLX_TRANSPARENT_RED_VALUE:
- config->transparentRed = *bp++;
- break;
- case GLX_TRANSPARENT_GREEN_VALUE:
- config->transparentGreen = *bp++;
- break;
- case GLX_TRANSPARENT_BLUE_VALUE:
- config->transparentBlue = *bp++;
- break;
- case GLX_TRANSPARENT_ALPHA_VALUE:
- config->transparentAlpha = *bp++;
- break;
- case GLX_VISUAL_ID:
- config->visualID = *bp++;
- break;
- case GLX_DRAWABLE_TYPE:
- config->drawableType = *bp++;
- break;
- case GLX_RENDER_TYPE:
- config->renderType = *bp++;
- break;
- case GLX_X_RENDERABLE:
- config->xRenderable = *bp++;
- break;
- case GLX_FBCONFIG_ID:
- config->fbconfigID = *bp++;
- break;
- case GLX_MAX_PBUFFER_WIDTH:
- config->maxPbufferWidth = *bp++;
- break;
- case GLX_MAX_PBUFFER_HEIGHT:
- config->maxPbufferHeight = *bp++;
- break;
- case GLX_MAX_PBUFFER_PIXELS:
- config->maxPbufferPixels = *bp++;
- break;
- case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX:
- config->optimalPbufferWidth = *bp++;
- break;
- case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX:
- config->optimalPbufferHeight = *bp++;
- break;
- case GLX_VISUAL_SELECT_GROUP_SGIX:
- config->visualSelectGroup = *bp++;
- break;
- case GLX_SWAP_METHOD_OML:
- config->swapMethod = *bp++;
- break;
- case GLX_SAMPLE_BUFFERS_SGIS:
- config->sampleBuffers = *bp++;
- break;
- case GLX_SAMPLES_SGIS:
- config->samples = *bp++;
- break;
- case GLX_BIND_TO_TEXTURE_RGB_EXT:
- config->bindToTextureRgb = *bp++;
- break;
- case GLX_BIND_TO_TEXTURE_RGBA_EXT:
- config->bindToTextureRgba = *bp++;
- break;
- case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
- config->bindToMipmapTexture = *bp++;
- break;
- case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
- config->bindToTextureTargets = *bp++;
- break;
- case GLX_Y_INVERTED_EXT:
- config->yInverted = *bp++;
- break;
- case None:
- i = count;
- break;
- default:
- break;
- }
- }
-
- config->renderType = (config->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT;
-
- config->haveAccumBuffer = ((config->accumRedBits +
- config->accumGreenBits +
- config->accumBlueBits +
- config->accumAlphaBits) > 0);
- config->haveDepthBuffer = (config->depthBits > 0);
- config->haveStencilBuffer = (config->stencilBits > 0);
-}
+ for (i = 0; i < count; i += 2) {
+ switch (*bp++) {
+ case GLX_RGBA:
+ FETCH_OR_SET(rgbMode);
+ break;
+ case GLX_BUFFER_SIZE:
+ config->rgbBits = *bp++;
+ break;
+ case GLX_LEVEL:
+ config->level = *bp++;
+ break;
+ case GLX_DOUBLEBUFFER:
+ FETCH_OR_SET(doubleBufferMode);
+ break;
+ case GLX_STEREO:
+ FETCH_OR_SET(stereoMode);
+ break;
+ case GLX_AUX_BUFFERS:
+ config->numAuxBuffers = *bp++;
+ break;
+ case GLX_RED_SIZE:
+ config->redBits = *bp++;
+ break;
+ case GLX_GREEN_SIZE:
+ config->greenBits = *bp++;
+ break;
+ case GLX_BLUE_SIZE:
+ config->blueBits = *bp++;
+ break;
+ case GLX_ALPHA_SIZE:
+ config->alphaBits = *bp++;
+ break;
+ case GLX_DEPTH_SIZE:
+ config->depthBits = *bp++;
+ break;
+ case GLX_STENCIL_SIZE:
+ config->stencilBits = *bp++;
+ break;
+ case GLX_ACCUM_RED_SIZE:
+ config->accumRedBits = *bp++;
+ break;
+ case GLX_ACCUM_GREEN_SIZE:
+ config->accumGreenBits = *bp++;
+ break;
+ case GLX_ACCUM_BLUE_SIZE:
+ config->accumBlueBits = *bp++;
+ break;
+ case GLX_ACCUM_ALPHA_SIZE:
+ config->accumAlphaBits = *bp++;
+ break;
+ case GLX_VISUAL_CAVEAT_EXT:
+ config->visualRating = *bp++;
+ break;
+ case GLX_X_VISUAL_TYPE:
+ config->visualType = *bp++;
+ break;
+ case GLX_TRANSPARENT_TYPE:
+ config->transparentPixel = *bp++;
+ break;
+ case GLX_TRANSPARENT_INDEX_VALUE:
+ config->transparentIndex = *bp++;
+ break;
+ case GLX_TRANSPARENT_RED_VALUE:
+ config->transparentRed = *bp++;
+ break;
+ case GLX_TRANSPARENT_GREEN_VALUE:
+ config->transparentGreen = *bp++;
+ break;
+ case GLX_TRANSPARENT_BLUE_VALUE:
+ config->transparentBlue = *bp++;
+ break;
+ case GLX_TRANSPARENT_ALPHA_VALUE:
+ config->transparentAlpha = *bp++;
+ break;
+ case GLX_VISUAL_ID:
+ config->visualID = *bp++;
+ break;
+ case GLX_DRAWABLE_TYPE:
+ config->drawableType = *bp++;
+ break;
+ case GLX_RENDER_TYPE:
+ config->renderType = *bp++;
+ break;
+ case GLX_X_RENDERABLE:
+ config->xRenderable = *bp++;
+ break;
+ case GLX_FBCONFIG_ID:
+ config->fbconfigID = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_WIDTH:
+ config->maxPbufferWidth = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_HEIGHT:
+ config->maxPbufferHeight = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_PIXELS:
+ config->maxPbufferPixels = *bp++;
+ break;
+ case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX:
+ config->optimalPbufferWidth = *bp++;
+ break;
+ case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX:
+ config->optimalPbufferHeight = *bp++;
+ break;
+ case GLX_VISUAL_SELECT_GROUP_SGIX:
+ config->visualSelectGroup = *bp++;
+ break;
+ case GLX_SWAP_METHOD_OML:
+ config->swapMethod = *bp++;
+ break;
+ case GLX_SAMPLE_BUFFERS_SGIS:
+ config->sampleBuffers = *bp++;
+ break;
+ case GLX_SAMPLES_SGIS:
+ config->samples = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_RGB_EXT:
+ config->bindToTextureRgb = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_RGBA_EXT:
+ config->bindToTextureRgba = *bp++;
+ break;
+ case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
+ config->bindToMipmapTexture = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
+ config->bindToTextureTargets = *bp++;
+ break;
+ case GLX_Y_INVERTED_EXT:
+ config->yInverted = *bp++;
+ break;
+ case None:
+ i = count;
+ break;
+ default:
+ break;
+ }
+ }
+ config->renderType =
+ (config->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT;
-#ifdef GLX_DIRECT_RENDERING
-static unsigned
-filter_modes( __GLcontextModes ** server_modes,
- const __GLcontextModes * driver_modes )
-{
- __GLcontextModes * m;
- __GLcontextModes ** prev_next;
- const __GLcontextModes * check;
- unsigned modes_count = 0;
-
- if ( driver_modes == NULL ) {
- fprintf(stderr, "libGL warning: 3D driver returned no fbconfigs.\n");
- return 0;
- }
-
- /* For each mode in server_modes, check to see if a matching mode exists
- * in driver_modes. If not, then the mode is not available.
- */
-
- prev_next = server_modes;
- for ( m = *prev_next ; m != NULL ; m = *prev_next ) {
- GLboolean do_delete = GL_TRUE;
-
- for ( check = driver_modes ; check != NULL ; check = check->next ) {
- if ( _gl_context_modes_are_same( m, check ) ) {
- do_delete = GL_FALSE;
- break;
- }
- }
-
- /* The 3D has to support all the modes that match the GLX visuals
- * sent from the X server.
- */
- if ( do_delete && (m->visualID != 0) ) {
- do_delete = GL_FALSE;
-
- if (getenv("LIBGL_DEBUG")) {
- fprintf(stderr, "libGL warning: 3D driver claims to not support "
- "visual 0x%02x\n", m->visualID);
- }
- }
-
- if ( do_delete ) {
- *prev_next = m->next;
-
- m->next = NULL;
- _gl_context_modes_destroy( m );
- }
- else {
- modes_count++;
- prev_next = & m->next;
- }
- }
-
- return modes_count;
+ config->haveAccumBuffer = ((config->accumRedBits +
+ config->accumGreenBits +
+ config->accumBlueBits +
+ config->accumAlphaBits) > 0);
+ config->haveDepthBuffer = (config->depthBits > 0);
+ config->haveStencilBuffer = (config->stencilBits > 0);
}
-
-/**
- * Implement \c __DRIinterfaceMethods::getProcAddress.
- */
-static __DRIfuncPtr get_proc_address( const char * proc_name )
+static __GLcontextModes *
+createConfigsFromProperties(Display * dpy, int nvisuals, int nprops,
+ int screen, GLboolean tagged_only)
{
- if (strcmp( proc_name, "glxEnableExtension" ) == 0) {
- return (__DRIfuncPtr) __glXScrEnableExtension;
- }
-
- return NULL;
-}
+ INT32 buf[__GLX_TOTAL_CONFIG], *props;
+ unsigned prop_size;
+ __GLcontextModes *modes, *m;
+ int i;
+
+ if (nprops == 0)
+ return NULL;
+
+ /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */
+
+ /* Check number of properties */
+ if (nprops < __GLX_MIN_CONFIG_PROPS || nprops > __GLX_MAX_CONFIG_PROPS)
+ return NULL;
+
+ /* Allocate memory for our config structure */
+ modes = _gl_context_modes_create(nvisuals, sizeof(__GLcontextModes));
+ if (!modes)
+ return NULL;
+
+ prop_size = nprops * __GLX_SIZE_INT32;
+ if (prop_size <= sizeof(buf))
+ props = buf;
+ else
+ props = Xmalloc(prop_size);
+
+ /* Read each config structure and convert it into our format */
+ m = modes;
+ for (i = 0; i < nvisuals; i++) {
+ _XRead(dpy, (char *) props, prop_size);
+ /* Older X servers don't send this so we default it here. */
+ m->drawableType = GLX_WINDOW_BIT;
+ __glXInitializeVisualConfigFromTags(m, nprops, props,
+ tagged_only, GL_TRUE);
+ m->screen = screen;
+ m = m->next;
+ }
-#ifdef XDAMAGE_1_1_INTERFACE
-static GLboolean has_damage_post(__DRInativeDisplay *dpy)
-{
- static GLboolean inited = GL_FALSE;
- static GLboolean has_damage;
-
- if (!inited) {
- int major, minor;
-
- if (XDamageQueryVersion(dpy, &major, &minor) &&
- major == 1 && minor >= 1)
- {
- has_damage = GL_TRUE;
- } else {
- has_damage = GL_FALSE;
- }
- inited = GL_TRUE;
- }
-
- return has_damage;
+ if (props != buf)
+ Xfree(props);
+
+ return modes;
}
-#endif /* XDAMAGE_1_1_INTERFACE */
-static void __glXReportDamage(__DRInativeDisplay *dpy, int screen,
- __DRIid drawable,
- int x, int y,
- drm_clip_rect_t *rects, int num_rects,
- GLboolean front_buffer)
+static GLboolean
+getVisualConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen)
{
-#ifdef XDAMAGE_1_1_INTERFACE
- XRectangle *xrects;
- XserverRegion region;
- int i;
- int x_off, y_off;
-
- if (!has_damage_post(dpy))
- return;
-
- if (front_buffer) {
- x_off = x;
- y_off = y;
- drawable = RootWindow(dpy, screen);
- } else{
- x_off = 0;
- y_off = 0;
- }
-
- xrects = malloc(sizeof(XRectangle) * num_rects);
- if (xrects == NULL)
- return;
-
- for (i = 0; i < num_rects; i++) {
- xrects[i].x = rects[i].x1 + x_off;
- xrects[i].y = rects[i].y1 + y_off;
- xrects[i].width = rects[i].x2 - rects[i].x1;
- xrects[i].height = rects[i].y2 - rects[i].y1;
- }
- region = XFixesCreateRegion(dpy, xrects, num_rects);
- free(xrects);
- XDamageAdd(dpy, drawable, region);
- XFixesDestroyRegion(dpy, region);
-#endif
+ xGLXGetVisualConfigsReq *req;
+ __GLXscreenConfigs *psc;
+ xGLXGetVisualConfigsReply reply;
+
+ LockDisplay(dpy);
+
+ psc = priv->screenConfigs + screen;
+ psc->visuals = NULL;
+ GetReq(GLXGetVisualConfigs, req);
+ req->reqType = priv->majorOpcode;
+ req->glxCode = X_GLXGetVisualConfigs;
+ req->screen = screen;
+
+ if (!_XReply(dpy, (xReply *) & reply, 0, False))
+ goto out;
+
+ psc->visuals = createConfigsFromProperties(dpy,
+ reply.numVisuals,
+ reply.numProps,
+ screen, GL_FALSE);
+
+ out:
+ UnlockDisplay(dpy);
+ return psc->visuals != NULL;
}
-/**
- * Table of functions exported by the loader to the driver.
- */
-static const __DRIinterfaceMethods interface_methods = {
- get_proc_address,
-
- _gl_context_modes_create,
- _gl_context_modes_destroy,
-
- __glXFindDRIScreen,
- __glXWindowExists,
-
- XF86DRICreateContextWithConfig,
- XF86DRIDestroyContext,
-
- XF86DRICreateDrawable,
- XF86DRIDestroyDrawable,
- XF86DRIGetDrawableInfo,
-
- __glXGetUST,
- __glXGetMscRateOML,
-
- __glXReportDamage,
-};
+static GLboolean
+getFBConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen)
+{
+ xGLXGetFBConfigsReq *fb_req;
+ xGLXGetFBConfigsSGIXReq *sgi_req;
+ xGLXVendorPrivateWithReplyReq *vpreq;
+ xGLXGetFBConfigsReply reply;
+ __GLXscreenConfigs *psc;
+
+ psc = priv->screenConfigs + screen;
+ psc->serverGLXexts = __glXGetStringFromServer(dpy, priv->majorOpcode,
+ X_GLXQueryServerString,
+ screen, GLX_EXTENSIONS);
+
+ LockDisplay(dpy);
+
+ psc->configs = NULL;
+ if (atof(priv->serverGLXversion) >= 1.3) {
+ GetReq(GLXGetFBConfigs, fb_req);
+ fb_req->reqType = priv->majorOpcode;
+ fb_req->glxCode = X_GLXGetFBConfigs;
+ fb_req->screen = screen;
+ }
+ else if (strstr(psc->serverGLXexts, "GLX_SGIX_fbconfig") != NULL) {
+ GetReqExtra(GLXVendorPrivateWithReply,
+ sz_xGLXGetFBConfigsSGIXReq +
+ sz_xGLXVendorPrivateWithReplyReq, vpreq);
+ sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq;
+ sgi_req->reqType = priv->majorOpcode;
+ sgi_req->glxCode = X_GLXVendorPrivateWithReply;
+ sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX;
+ sgi_req->screen = screen;
+ }
+ else
+ goto out;
+ if (!_XReply(dpy, (xReply *) & reply, 0, False))
+ goto out;
+ psc->configs = createConfigsFromProperties(dpy,
+ reply.numFBConfigs,
+ reply.numAttribs * 2,
+ screen, GL_TRUE);
-/**
- * Perform the required libGL-side initialization and call the client-side
- * driver's \c __driCreateNewScreen function.
- *
- * \param dpy Display pointer.
- * \param scrn Screen number on the display.
- * \param psc DRI screen information.
- * \param driDpy DRI display information.
- * \param createNewScreen Pointer to the client-side driver's
- * \c __driCreateNewScreen function.
- * \returns A pointer to the \c __DRIscreenPrivate structure returned by
- * the client-side driver on success, or \c NULL on failure.
- *
- * \todo This function needs to be modified to remove context-modes from the
- * list stored in the \c __GLXscreenConfigsRec to match the list
- * returned by the client-side driver.
- */
-static void *
-CallCreateNewScreen(Display *dpy, int scrn, __DRIscreen *psc,
- __DRIdisplay * driDpy,
- PFNCREATENEWSCREENFUNC createNewScreen)
-{
- __DRIscreenPrivate *psp = NULL;
-#ifndef GLX_USE_APPLEGL
- drm_handle_t hSAREA;
- drmAddress pSAREA = MAP_FAILED;
- char *BusID;
- __DRIversion ddx_version;
- __DRIversion dri_version;
- __DRIversion drm_version;
- __DRIframebuffer framebuffer;
- int fd = -1;
- int status;
- const char * err_msg;
- const char * err_extra;
- int api_ver = __glXGetInternalVersion();
-
-
- dri_version.major = driDpy->private->driMajor;
- dri_version.minor = driDpy->private->driMinor;
- dri_version.patch = driDpy->private->driPatch;
-
-
- err_msg = "XF86DRIOpenConnection";
- err_extra = NULL;
-
- framebuffer.base = MAP_FAILED;
- framebuffer.dev_priv = NULL;
-
- if (XF86DRIOpenConnection(dpy, scrn, &hSAREA, &BusID)) {
- int newlyopened;
- fd = drmOpenOnce(NULL,BusID, &newlyopened);
- Xfree(BusID); /* No longer needed */
-
- err_msg = "open DRM";
- err_extra = strerror( -fd );
-
- if (fd >= 0) {
- drm_magic_t magic;
-
- err_msg = "drmGetMagic";
- err_extra = NULL;
-
- if (!drmGetMagic(fd, &magic)) {
- drmVersionPtr version = drmGetVersion(fd);
- if (version) {
- drm_version.major = version->version_major;
- drm_version.minor = version->version_minor;
- drm_version.patch = version->version_patchlevel;
- drmFreeVersion(version);
- }
- else {
- drm_version.major = -1;
- drm_version.minor = -1;
- drm_version.patch = -1;
- }
-
- err_msg = "XF86DRIAuthConnection";
- if (!newlyopened || XF86DRIAuthConnection(dpy, scrn, magic)) {
- char *driverName;
-
- /*
- * Get device name (like "tdfx") and the ddx version
- * numbers. We'll check the version in each DRI driver's
- * "createNewScreen" function.
- */
- err_msg = "XF86DRIGetClientDriverName";
- if (XF86DRIGetClientDriverName(dpy, scrn,
- &ddx_version.major,
- &ddx_version.minor,
- &ddx_version.patch,
- &driverName)) {
- drm_handle_t hFB;
- int junk;
-
- /* No longer needed. */
- Xfree( driverName );
-
-
- /*
- * Get device-specific info. pDevPriv will point to a struct
- * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h)
- * that has information about the screen size, depth, pitch,
- * ancilliary buffers, DRM mmap handles, etc.
- */
- err_msg = "XF86DRIGetDeviceInfo";
- if (XF86DRIGetDeviceInfo(dpy, scrn,
- &hFB,
- &junk,
- &framebuffer.size,
- &framebuffer.stride,
- &framebuffer.dev_priv_size,
- &framebuffer.dev_priv)) {
- framebuffer.width = DisplayWidth(dpy, scrn);
- framebuffer.height = DisplayHeight(dpy, scrn);
-
- /*
- * Map the framebuffer region.
- */
- status = drmMap(fd, hFB, framebuffer.size,
- (drmAddressPtr)&framebuffer.base);
-
- err_msg = "drmMap of framebuffer";
- err_extra = strerror( -status );
-
- if ( status == 0 ) {
- /*
- * Map the SAREA region. Further mmap regions
- * may be setup in each DRI driver's
- * "createNewScreen" function.
- */
- status = drmMap(fd, hSAREA, SAREA_MAX,
- &pSAREA);
-
- err_msg = "drmMap of sarea";
- err_extra = strerror( -status );
-
- if ( status == 0 ) {
- __GLcontextModes * driver_modes = NULL;
- __GLXscreenConfigs *configs = psc->screenConfigs;
-
- err_msg = "InitDriver";
- err_extra = NULL;
- psp = (*createNewScreen)(dpy, scrn,
- psc,
- configs->configs,
- & ddx_version,
- & dri_version,
- & drm_version,
- & framebuffer,
- pSAREA,
- fd,
- api_ver,
- & interface_methods,
- & driver_modes );
-
- filter_modes( & configs->configs,
- driver_modes );
- _gl_context_modes_destroy( driver_modes );
- }
- }
- }
- }
- }
- }
- }
- }
-
- if ( psp == NULL ) {
- if ( pSAREA != MAP_FAILED ) {
- (void)drmUnmap(pSAREA, SAREA_MAX);
- }
-
- if ( framebuffer.base != MAP_FAILED ) {
- (void)drmUnmap((drmAddress)framebuffer.base, framebuffer.size);
- }
-
- if ( framebuffer.dev_priv != NULL ) {
- Xfree(framebuffer.dev_priv);
- }
-
- if ( fd >= 0 ) {
- (void)drmCloseOnce(fd);
- }
-
- (void)XF86DRICloseConnection(dpy, scrn);
-
- if ( err_extra != NULL ) {
- fprintf(stderr, "libGL error: %s failed (%s)\n", err_msg,
- err_extra);
- }
- else {
- fprintf(stderr, "libGL error: %s failed\n", err_msg );
- }
-
- fprintf(stderr, "libGL error: reverting to (slow) indirect rendering\n");
- }
-#endif /* !GLX_USE_APPLEGL */
-
- return psp;
+ out:
+ UnlockDisplay(dpy);
+ return psc->configs != NULL;
}
-#endif /* GLX_DIRECT_RENDERING */
-
/*
** Allocate the memory for the per screen configs for each screen.
** If that works then fetch the per screen configs data.
*/
-static Bool AllocAndFetchScreenConfigs(Display *dpy, __GLXdisplayPrivate *priv)
+static Bool
+AllocAndFetchScreenConfigs(Display * dpy, __GLXdisplayPrivate * priv)
{
- xGLXGetVisualConfigsReq *req;
- xGLXGetFBConfigsReq *fb_req;
- xGLXVendorPrivateWithReplyReq *vpreq;
- xGLXGetFBConfigsSGIXReq *sgi_req;
- xGLXGetVisualConfigsReply reply;
- __GLXscreenConfigs *psc;
- __GLcontextModes *config;
- GLint i, j, nprops, screens;
- INT32 buf[__GLX_TOTAL_CONFIG], *props;
- unsigned supported_request = 0;
- unsigned prop_size;
-
- /*
+ __GLXscreenConfigs *psc;
+ GLint i, screens;
+
+ /*
** First allocate memory for the array of per screen configs.
*/
- screens = ScreenCount(dpy);
- psc = (__GLXscreenConfigs*) Xmalloc(screens * sizeof(__GLXscreenConfigs));
- if (!psc) {
- return GL_FALSE;
- }
- memset(psc, 0, screens * sizeof(__GLXscreenConfigs));
- priv->screenConfigs = psc;
-
- priv->serverGLXversion = __glXGetStringFromServer(dpy, priv->majorOpcode,
- X_GLXQueryServerString,
- 0, GLX_VERSION);
- if ( priv->serverGLXversion == NULL ) {
- FreeScreenConfigs(priv);
- return GL_FALSE;
- }
-
- if ( atof( priv->serverGLXversion ) >= 1.3 ) {
- supported_request = 1;
- }
-
- /*
- ** Now fetch each screens configs structures. If a screen supports
- ** GL (by returning a numVisuals > 0) then allocate memory for our
- ** config structure and then fill it in.
- */
- for (i = 0; i < screens; i++, psc++) {
- if ( supported_request != 1 ) {
- psc->serverGLXexts = __glXGetStringFromServer(dpy, priv->majorOpcode,
- X_GLXQueryServerString,
- i, GLX_EXTENSIONS);
- if ( strstr( psc->serverGLXexts, "GLX_SGIX_fbconfig" ) != NULL ) {
- supported_request = 2;
- }
- else {
- supported_request = 3;
- }
- }
-
-
- LockDisplay(dpy);
- switch( supported_request ) {
- case 1:
- GetReq(GLXGetFBConfigs,fb_req);
- fb_req->reqType = priv->majorOpcode;
- fb_req->glxCode = X_GLXGetFBConfigs;
- fb_req->screen = i;
- break;
-
- case 2:
- GetReqExtra(GLXVendorPrivateWithReply,
- sz_xGLXGetFBConfigsSGIXReq-sz_xGLXVendorPrivateWithReplyReq,vpreq);
- sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq;
- sgi_req->reqType = priv->majorOpcode;
- sgi_req->glxCode = X_GLXVendorPrivateWithReply;
- sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX;
- sgi_req->screen = i;
- break;
-
- case 3:
- GetReq(GLXGetVisualConfigs,req);
- req->reqType = priv->majorOpcode;
- req->glxCode = X_GLXGetVisualConfigs;
- req->screen = i;
- break;
- }
-
- if (!_XReply(dpy, (xReply*) &reply, 0, False)) {
- /* Something is busted. Punt. */
- UnlockDisplay(dpy);
- SyncHandle();
- FreeScreenConfigs(priv);
- return GL_FALSE;
- }
-
- if (!reply.numVisuals) {
- /* This screen does not support GL rendering */
- UnlockDisplay(dpy);
- continue;
- }
-
- /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for
- * FIXME: FBconfigs?
- */
- /* Check number of properties */
- nprops = reply.numProps;
- if ((nprops < __GLX_MIN_CONFIG_PROPS) ||
- (nprops > __GLX_MAX_CONFIG_PROPS)) {
- /* Huh? Not in protocol defined limits. Punt */
- UnlockDisplay(dpy);
- SyncHandle();
- FreeScreenConfigs(priv);
- return GL_FALSE;
- }
-
- /* Allocate memory for our config structure */
- psc->configs = _gl_context_modes_create(reply.numVisuals,
- sizeof(__GLcontextModes));
- if (!psc->configs) {
- UnlockDisplay(dpy);
- SyncHandle();
- FreeScreenConfigs(priv);
- return GL_FALSE;
- }
-
- /* Allocate memory for the properties, if needed */
- if ( supported_request != 3 ) {
- nprops *= 2;
- }
-
- prop_size = nprops * __GLX_SIZE_INT32;
-
- if (prop_size <= sizeof(buf)) {
- props = buf;
- } else {
- props = (INT32 *) Xmalloc(prop_size);
- }
-
- /* Read each config structure and convert it into our format */
- config = psc->configs;
- for (j = 0; j < reply.numVisuals; j++) {
- assert( config != NULL );
- _XRead(dpy, (char *)props, prop_size);
-
- if ( supported_request != 3 ) {
- config->rgbMode = GL_TRUE;
- config->drawableType = GLX_WINDOW_BIT;
- }
- else {
- config->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT;
- }
-
- __glXInitializeVisualConfigFromTags( config, nprops, props,
- (supported_request != 3),
- GL_TRUE );
- if ( config->fbconfigID == GLX_DONT_CARE ) {
- config->fbconfigID = config->visualID;
- }
- config->screen = i;
- config = config->next;
- }
- if (props != buf) {
- Xfree((char *)props);
- }
- UnlockDisplay(dpy);
+ screens = ScreenCount(dpy);
+ psc = (__GLXscreenConfigs *) Xmalloc(screens * sizeof(__GLXscreenConfigs));
+ if (!psc) {
+ return GL_FALSE;
+ }
+ memset(psc, 0, screens * sizeof(__GLXscreenConfigs));
+ priv->screenConfigs = psc;
+
+ priv->serverGLXversion = __glXGetStringFromServer(dpy, priv->majorOpcode,
+ X_GLXQueryServerString,
+ 0, GLX_VERSION);
+ if (priv->serverGLXversion == NULL) {
+ FreeScreenConfigs(priv);
+ return GL_FALSE;
+ }
+
+ for (i = 0; i < screens; i++, psc++) {
+ getVisualConfigs(dpy, priv, i);
+ getFBConfigs(dpy, priv, i);
#ifdef GLX_DIRECT_RENDERING
- /* Initialize per screen dynamic client GLX extensions */
- psc->ext_list_first_time = GL_TRUE;
- /* Initialize the direct rendering per screen data and functions */
- if (priv->driDisplay.private != NULL) {
- /* FIXME: Should it be some sort of an error if createNewScreen[i]
- * FIXME: is NULL?
- */
- if (priv->driDisplay.createNewScreen &&
- priv->driDisplay.createNewScreen[i]) {
-
- psc->driScreen.screenConfigs = (void *)psc;
- psc->driScreen.private =
- CallCreateNewScreen(dpy, i, & psc->driScreen,
- & priv->driDisplay,
- priv->driDisplay.createNewScreen[i] );
- }
- }
+ psc->scr = i;
+ psc->dpy = dpy;
+ psc->drawHash = __glxHashCreate();
+ if (psc->drawHash == NULL)
+ continue;
+
+ if (priv->dri2Display)
+ psc->driScreen = (*priv->dri2Display->createScreen) (psc, i, priv);
+
+ if (psc->driScreen == NULL && priv->driDisplay)
+ psc->driScreen = (*priv->driDisplay->createScreen) (psc, i, priv);
+
+ if (psc->driScreen == NULL && priv->driswDisplay)
+ psc->driScreen = (*priv->driswDisplay->createScreen) (psc, i, priv);
+
+ if (psc->driScreen == NULL) {
+ __glxHashDestroy(psc->drawHash);
+ psc->drawHash = NULL;
+ }
#endif
- }
- SyncHandle();
- return GL_TRUE;
+ }
+ SyncHandle();
+ return GL_TRUE;
}
/*
** Initialize the client side extension code.
*/
-__GLXdisplayPrivate *__glXInitialize(Display* dpy)
+_X_HIDDEN __GLXdisplayPrivate *
+__glXInitialize(Display * dpy)
{
- XExtDisplayInfo *info = __glXFindDisplay(dpy);
- XExtData **privList, *private, *found;
- __GLXdisplayPrivate *dpyPriv;
- XEDataObject dataObj;
- int major, minor;
+ XExtDisplayInfo *info = __glXFindDisplay(dpy);
+ XExtData **privList, *private, *found;
+ __GLXdisplayPrivate *dpyPriv;
+ XEDataObject dataObj;
+ int major, minor;
+#ifdef GLX_DIRECT_RENDERING
+ Bool glx_direct, glx_accel;
+#endif
#if defined(USE_XTHREADS)
- {
- static int firstCall = 1;
- if (firstCall) {
- /* initialize the GLX mutexes */
- xmutex_init(&__glXmutex);
- firstCall = 0;
- }
- }
+ {
+ static int firstCall = 1;
+ if (firstCall) {
+ /* initialize the GLX mutexes */
+ xmutex_init(&__glXmutex);
+ firstCall = 0;
+ }
+ }
#endif
- INIT_MESA_SPARC
- /* The one and only long long lock */
- __glXLock();
-
- if (!XextHasExtension(info)) {
- /* No GLX extension supported by this server. Oh well. */
- __glXUnlock();
- XMissingExtension(dpy, __glXExtensionName);
- return 0;
- }
-
- /* See if a display private already exists. If so, return it */
- dataObj.display = dpy;
- privList = XEHeadOfExtensionList(dataObj);
- found = XFindOnExtensionList(privList, info->codes->extension);
- if (found) {
- __glXUnlock();
- return (__GLXdisplayPrivate *) found->private_data;
- }
-
- /* See if the versions are compatible */
- if (!QueryVersion(dpy, info->codes->major_opcode, &major, &minor)) {
- /* The client and server do not agree on versions. Punt. */
- __glXUnlock();
- return 0;
- }
-
- /*
+ INIT_MESA_SPARC;
+ /* The one and only long long lock */
+ __glXLock();
+
+ if (!XextHasExtension(info)) {
+ /* No GLX extension supported by this server. Oh well. */
+ __glXUnlock();
+ XMissingExtension(dpy, __glXExtensionName);
+ return 0;
+ }
+
+ /* See if a display private already exists. If so, return it */
+ dataObj.display = dpy;
+ privList = XEHeadOfExtensionList(dataObj);
+ found = XFindOnExtensionList(privList, info->codes->extension);
+ if (found) {
+ __glXUnlock();
+ return (__GLXdisplayPrivate *) found->private_data;
+ }
+
+ /* See if the versions are compatible */
+ if (!QueryVersion(dpy, info->codes->major_opcode, &major, &minor)) {
+ /* The client and server do not agree on versions. Punt. */
+ __glXUnlock();
+ return 0;
+ }
+
+ /*
** Allocate memory for all the pieces needed for this buffer.
*/
- private = (XExtData *) Xmalloc(sizeof(XExtData));
- if (!private) {
- __glXUnlock();
- return 0;
- }
- dpyPriv = (__GLXdisplayPrivate *) Xcalloc(1, sizeof(__GLXdisplayPrivate));
- if (!dpyPriv) {
- __glXUnlock();
- Xfree((char*) private);
- return 0;
- }
-
- /*
+ private = (XExtData *) Xmalloc(sizeof(XExtData));
+ if (!private) {
+ __glXUnlock();
+ return 0;
+ }
+ dpyPriv = (__GLXdisplayPrivate *) Xcalloc(1, sizeof(__GLXdisplayPrivate));
+ if (!dpyPriv) {
+ __glXUnlock();
+ Xfree((char *) private);
+ return 0;
+ }
+
+ /*
** Init the display private and then read in the screen config
** structures from the server.
*/
- dpyPriv->majorOpcode = info->codes->major_opcode;
- dpyPriv->majorVersion = major;
- dpyPriv->minorVersion = minor;
- dpyPriv->dpy = dpy;
+ dpyPriv->majorOpcode = info->codes->major_opcode;
+ dpyPriv->majorVersion = major;
+ dpyPriv->minorVersion = minor;
+ dpyPriv->dpy = dpy;
- dpyPriv->serverGLXvendor = 0x0;
- dpyPriv->serverGLXversion = 0x0;
+ dpyPriv->serverGLXvendor = 0x0;
+ dpyPriv->serverGLXversion = 0x0;
#ifdef GLX_DIRECT_RENDERING
- /*
+ glx_direct = (getenv("LIBGL_ALWAYS_INDIRECT") == NULL);
+ glx_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL);
+
+ /*
** Initialize the direct rendering per display data and functions.
** Note: This _must_ be done before calling any other DRI routines
** (e.g., those called in AllocAndFetchScreenConfigs).
*/
- if (getenv("LIBGL_ALWAYS_INDIRECT") == NULL) {
- dpyPriv->driDisplay.private =
- driCreateDisplay(dpy, &dpyPriv->driDisplay);
- }
+ if (glx_direct && glx_accel) {
+ dpyPriv->dri2Display = dri2CreateDisplay(dpy);
+ dpyPriv->driDisplay = driCreateDisplay(dpy);
+ }
+ if (glx_direct)
+ dpyPriv->driswDisplay = driswCreateDisplay(dpy);
#endif
- if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) {
- __glXUnlock();
- Xfree((char*) dpyPriv);
- Xfree((char*) private);
- return 0;
- }
+ if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) {
+ __glXUnlock();
+ Xfree((char *) dpyPriv);
+ Xfree((char *) private);
+ return 0;
+ }
- /*
+ /*
** Fill in the private structure. This is the actual structure that
** hangs off of the Display structure. Our private structure is
** referred to by this structure. Got that?
*/
- private->number = info->codes->extension;
- private->next = 0;
- private->free_private = __glXFreeDisplayPrivate;
- private->private_data = (char *) dpyPriv;
- XAddToExtensionList(privList, private);
-
- if (dpyPriv->majorVersion == 1 && dpyPriv->minorVersion >= 1) {
- __glXClientInfo(dpy, dpyPriv->majorOpcode);
- }
- __glXUnlock();
-
- return dpyPriv;
+ private->number = info->codes->extension;
+ private->next = 0;
+ private->free_private = __glXFreeDisplayPrivate;
+ private->private_data = (char *) dpyPriv;
+ XAddToExtensionList(privList, private);
+
+ if (dpyPriv->majorVersion == 1 && dpyPriv->minorVersion >= 1) {
+ __glXClientInfo(dpy, dpyPriv->majorOpcode);
+ }
+ __glXUnlock();
+
+ return dpyPriv;
}
/*
** Setup for sending a GLX command on dpy. Make sure the extension is
** initialized. Try to avoid calling __glXInitialize as its kinda slow.
*/
-CARD8 __glXSetupForCommand(Display *dpy)
+_X_HIDDEN CARD8
+__glXSetupForCommand(Display * dpy)
{
- GLXContext gc;
- __GLXdisplayPrivate *priv;
-
- /* If this thread has a current context, flush its rendering commands */
- gc = __glXGetCurrentContext();
- if (gc->currentDpy) {
- /* Flush rendering buffer of the current context, if any */
- (void) __glXFlushRenderBuffer(gc, gc->pc);
-
- if (gc->currentDpy == dpy) {
- /* Use opcode from gc because its right */
- INIT_MESA_SPARC
- return gc->majorOpcode;
- } else {
- /*
- ** Have to get info about argument dpy because it might be to
- ** a different server
- */
- }
- }
-
- /* Forced to lookup extension via the slow initialize route */
- priv = __glXInitialize(dpy);
- if (!priv) {
- return 0;
- }
- return priv->majorOpcode;
+ GLXContext gc;
+ __GLXdisplayPrivate *priv;
+
+ /* If this thread has a current context, flush its rendering commands */
+ gc = __glXGetCurrentContext();
+ if (gc->currentDpy) {
+ /* Flush rendering buffer of the current context, if any */
+ (void) __glXFlushRenderBuffer(gc, gc->pc);
+
+ if (gc->currentDpy == dpy) {
+ /* Use opcode from gc because its right */
+ INIT_MESA_SPARC;
+ return gc->majorOpcode;
+ }
+ else {
+ /*
+ ** Have to get info about argument dpy because it might be to
+ ** a different server
+ */
+ }
+ }
+
+ /* Forced to lookup extension via the slow initialize route */
+ priv = __glXInitialize(dpy);
+ if (!priv) {
+ return 0;
+ }
+ return priv->majorOpcode;
}
/**
@@ -1349,36 +798,38 @@ CARD8 __glXSetupForCommand(Display *dpy)
* Modify this function to use \c ctx->pc instead of the explicit
* \c pc parameter.
*/
-GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc)
+_X_HIDDEN GLubyte *
+__glXFlushRenderBuffer(__GLXcontext * ctx, GLubyte * pc)
{
- Display * const dpy = ctx->currentDpy;
+ Display *const dpy = ctx->currentDpy;
#ifdef USE_XCB
- xcb_connection_t *c = XGetXCBConnection(dpy);
+ xcb_connection_t *c = XGetXCBConnection(dpy);
#else
- xGLXRenderReq *req;
+ xGLXRenderReq *req;
#endif /* USE_XCB */
- const GLint size = pc - ctx->buf;
+ const GLint size = pc - ctx->buf;
- if ( (dpy != NULL) && (size > 0) ) {
+ if ((dpy != NULL) && (size > 0)) {
#ifdef USE_XCB
- xcb_glx_render(c, ctx->currentContextTag, size, (char *)ctx->buf);
+ xcb_glx_render(c, ctx->currentContextTag, size,
+ (const uint8_t *) ctx->buf);
#else
- /* Send the entire buffer as an X request */
- LockDisplay(dpy);
- GetReq(GLXRender,req);
- req->reqType = ctx->majorOpcode;
- req->glxCode = X_GLXRender;
- req->contextTag = ctx->currentContextTag;
- req->length += (size + 3) >> 2;
- _XSend(dpy, (char *)ctx->buf, size);
- UnlockDisplay(dpy);
- SyncHandle();
+ /* Send the entire buffer as an X request */
+ LockDisplay(dpy);
+ GetReq(GLXRender, req);
+ req->reqType = ctx->majorOpcode;
+ req->glxCode = X_GLXRender;
+ req->contextTag = ctx->currentContextTag;
+ req->length += (size + 3) >> 2;
+ _XSend(dpy, (char *) ctx->buf, size);
+ UnlockDisplay(dpy);
+ SyncHandle();
#endif
- }
+ }
- /* Reset pointer and return it */
- ctx->pc = ctx->buf;
- return ctx->pc;
+ /* Reset pointer and return it */
+ ctx->pc = ctx->buf;
+ return ctx->pc;
}
@@ -1398,35 +849,36 @@ GLubyte *__glXFlushRenderBuffer(__GLXcontext *ctx, GLubyte *pc)
* \param data Command data.
* \param dataLen Size, in bytes, of the command data.
*/
-void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber,
- GLint totalRequests,
- const GLvoid * data, GLint dataLen)
+_X_HIDDEN void
+__glXSendLargeChunk(__GLXcontext * gc, GLint requestNumber,
+ GLint totalRequests, const GLvoid * data, GLint dataLen)
{
- Display *dpy = gc->currentDpy;
+ Display *dpy = gc->currentDpy;
#ifdef USE_XCB
- xcb_connection_t *c = XGetXCBConnection(dpy);
- xcb_glx_render_large(c, gc->currentContextTag, requestNumber, totalRequests, dataLen, data);
+ xcb_connection_t *c = XGetXCBConnection(dpy);
+ xcb_glx_render_large(c, gc->currentContextTag, requestNumber,
+ totalRequests, dataLen, data);
#else
- xGLXRenderLargeReq *req;
-
- if ( requestNumber == 1 ) {
- LockDisplay(dpy);
- }
-
- GetReq(GLXRenderLarge,req);
- req->reqType = gc->majorOpcode;
- req->glxCode = X_GLXRenderLarge;
- req->contextTag = gc->currentContextTag;
- req->length += (dataLen + 3) >> 2;
- req->requestNumber = requestNumber;
- req->requestTotal = totalRequests;
- req->dataBytes = dataLen;
- Data(dpy, data, dataLen);
-
- if ( requestNumber == totalRequests ) {
- UnlockDisplay(dpy);
- SyncHandle();
- }
+ xGLXRenderLargeReq *req;
+
+ if (requestNumber == 1) {
+ LockDisplay(dpy);
+ }
+
+ GetReq(GLXRenderLarge, req);
+ req->reqType = gc->majorOpcode;
+ req->glxCode = X_GLXRenderLarge;
+ req->contextTag = gc->currentContextTag;
+ req->length += (dataLen + 3) >> 2;
+ req->requestNumber = requestNumber;
+ req->requestTotal = totalRequests;
+ req->dataBytes = dataLen;
+ Data(dpy, data, dataLen);
+
+ if (requestNumber == totalRequests) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
#endif /* USE_XCB */
}
@@ -1446,422 +898,118 @@ void __glXSendLargeChunk(__GLXcontext *gc, GLint requestNumber,
* \param data Command data.
* \param dataLen Size, in bytes, of the command data.
*/
-void __glXSendLargeCommand(__GLXcontext *ctx,
- const GLvoid *header, GLint headerLen,
- const GLvoid *data, GLint dataLen)
+_X_HIDDEN void
+__glXSendLargeCommand(__GLXcontext * ctx,
+ const GLvoid * header, GLint headerLen,
+ const GLvoid * data, GLint dataLen)
{
- GLint maxSize;
- GLint totalRequests, requestNumber;
+ GLint maxSize;
+ GLint totalRequests, requestNumber;
- /*
+ /*
** Calculate the maximum amount of data can be stuffed into a single
** packet. sz_xGLXRenderReq is added because bufSize is the maximum
** packet size minus sz_xGLXRenderReq.
*/
- maxSize = (ctx->bufSize + sz_xGLXRenderReq) - sz_xGLXRenderLargeReq;
- totalRequests = 1 + (dataLen / maxSize);
- if (dataLen % maxSize) totalRequests++;
+ maxSize = (ctx->bufSize + sz_xGLXRenderReq) - sz_xGLXRenderLargeReq;
+ totalRequests = 1 + (dataLen / maxSize);
+ if (dataLen % maxSize)
+ totalRequests++;
- /*
+ /*
** Send all of the command, except the large array, as one request.
*/
- assert( headerLen <= maxSize );
- __glXSendLargeChunk(ctx, 1, totalRequests, header, headerLen);
+ assert(headerLen <= maxSize);
+ __glXSendLargeChunk(ctx, 1, totalRequests, header, headerLen);
- /*
+ /*
** Send enough requests until the whole array is sent.
*/
- for ( requestNumber = 2 ; requestNumber <= (totalRequests - 1) ; requestNumber++ ) {
- __glXSendLargeChunk(ctx, requestNumber, totalRequests, data, maxSize);
- data = (const GLvoid *) (((const GLubyte *) data) + maxSize);
- dataLen -= maxSize;
- assert( dataLen > 0 );
- }
-
- assert( dataLen <= maxSize );
- __glXSendLargeChunk(ctx, requestNumber, totalRequests, data, dataLen);
-}
-
-/************************************************************************/
-
-PUBLIC GLXContext glXGetCurrentContext(void)
-{
- GLXContext cx = __glXGetCurrentContext();
-
- if (cx == &dummyContext) {
- return NULL;
- } else {
- return cx;
- }
-}
-
-PUBLIC GLXDrawable glXGetCurrentDrawable(void)
-{
- GLXContext gc = __glXGetCurrentContext();
- return gc->currentDrawable;
-}
-
-
-/************************************************************************/
+ for (requestNumber = 2; requestNumber <= (totalRequests - 1);
+ requestNumber++) {
+ __glXSendLargeChunk(ctx, requestNumber, totalRequests, data, maxSize);
+ data = (const GLvoid *) (((const GLubyte *) data) + maxSize);
+ dataLen -= maxSize;
+ assert(dataLen > 0);
+ }
-#ifdef GLX_DIRECT_RENDERING
-/* Return the DRI per screen structure */
-__DRIscreen *__glXFindDRIScreen(__DRInativeDisplay *dpy, int scrn)
-{
- __DRIscreen *pDRIScreen = NULL;
- XExtDisplayInfo *info = __glXFindDisplay(dpy);
- XExtData **privList, *found;
- __GLXdisplayPrivate *dpyPriv;
- XEDataObject dataObj;
-
- __glXLock();
- dataObj.display = dpy;
- privList = XEHeadOfExtensionList(dataObj);
- found = XFindOnExtensionList(privList, info->codes->extension);
- __glXUnlock();
-
- if (found) {
- dpyPriv = (__GLXdisplayPrivate *)found->private_data;
- pDRIScreen = &dpyPriv->screenConfigs[scrn].driScreen;
- }
-
- return pDRIScreen;
+ assert(dataLen <= maxSize);
+ __glXSendLargeChunk(ctx, requestNumber, totalRequests, data, dataLen);
}
-#endif
/************************************************************************/
-static Bool SendMakeCurrentRequest( Display *dpy, CARD8 opcode,
- GLXContextID gc, GLXContextTag old_gc, GLXDrawable draw, GLXDrawable read,
- xGLXMakeCurrentReply * reply );
-
-/**
- * Sends a GLX protocol message to the specified display to make the context
- * and the drawables current.
- *
- * \param dpy Display to send the message to.
- * \param opcode Major opcode value for the display.
- * \param gc_id Context tag for the context to be made current.
- * \param draw Drawable ID for the "draw" drawable.
- * \param read Drawable ID for the "read" drawable.
- * \param reply Space to store the X-server's reply.
- *
- * \warning
- * This function assumes that \c dpy is locked with \c LockDisplay on entry.
- */
-static Bool SendMakeCurrentRequest(Display *dpy, CARD8 opcode,
- GLXContextID gc_id, GLXContextTag gc_tag,
- GLXDrawable draw, GLXDrawable read,
- xGLXMakeCurrentReply *reply)
-{
- Bool ret;
-
-
- LockDisplay(dpy);
-
- if (draw == read) {
- xGLXMakeCurrentReq *req;
-
- GetReq(GLXMakeCurrent,req);
- req->reqType = opcode;
- req->glxCode = X_GLXMakeCurrent;
- req->drawable = draw;
- req->context = gc_id;
- req->oldContextTag = gc_tag;
- }
- else {
- __GLXdisplayPrivate *priv = __glXInitialize(dpy);
-
- /* If the server can support the GLX 1.3 version, we should
- * perfer that. Not only that, some servers support GLX 1.3 but
- * not the SGI extension.
- */
-
- if ((priv->majorVersion > 1) || (priv->minorVersion >= 3)) {
- xGLXMakeContextCurrentReq *req;
-
- GetReq(GLXMakeContextCurrent,req);
- req->reqType = opcode;
- req->glxCode = X_GLXMakeContextCurrent;
- req->drawable = draw;
- req->readdrawable = read;
- req->context = gc_id;
- req->oldContextTag = gc_tag;
- }
- else {
- xGLXVendorPrivateWithReplyReq *vpreq;
- xGLXMakeCurrentReadSGIReq *req;
-
- GetReqExtra(GLXVendorPrivateWithReply,
- sz_xGLXMakeCurrentReadSGIReq-sz_xGLXVendorPrivateWithReplyReq,vpreq);
- req = (xGLXMakeCurrentReadSGIReq *)vpreq;
- req->reqType = opcode;
- req->glxCode = X_GLXVendorPrivateWithReply;
- req->vendorCode = X_GLXvop_MakeCurrentReadSGI;
- req->drawable = draw;
- req->readable = read;
- req->context = gc_id;
- req->oldContextTag = gc_tag;
- }
- }
-
- ret = _XReply(dpy, (xReply*) reply, 0, False);
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- return ret;
-}
-
-
-#ifdef GLX_DIRECT_RENDERING
-static Bool BindContextWrapper( Display *dpy, GLXContext gc,
- GLXDrawable draw, GLXDrawable read )
-{
- return (*gc->driContext.bindContext)(dpy, gc->screen, draw, read,
- & gc->driContext);
-}
-
-
-static Bool UnbindContextWrapper( GLXContext gc )
-{
- return (*gc->driContext.unbindContext)(gc->currentDpy, gc->screen,
- gc->currentDrawable,
- gc->currentReadable,
- & gc->driContext );
-}
-#endif /* GLX_DIRECT_RENDERING */
-
-
-/**
- * Make a particular context current.
- *
- * \note This is in this file so that it can access dummyContext.
- */
-USED static Bool MakeContextCurrent(Display *dpy, GLXDrawable draw,
- GLXDrawable read, GLXContext gc)
-{
- xGLXMakeCurrentReply reply;
- const GLXContext oldGC = __glXGetCurrentContext();
- const CARD8 opcode = __glXSetupForCommand(dpy);
- const CARD8 oldOpcode = ((gc == oldGC) || (oldGC == &dummyContext))
- ? opcode : __glXSetupForCommand(oldGC->currentDpy);
- Bool bindReturnValue;
-
-
- if (!opcode || !oldOpcode) {
- return GL_FALSE;
- }
-
- /* Make sure that the new context has a nonzero ID. In the request,
- * a zero context ID is used only to mean that we bind to no current
- * context.
- */
- if ((gc != NULL) && (gc->xid == None)) {
- return GL_FALSE;
- }
-
-#ifndef GLX_DIRECT_RENDERING
- if (gc && gc->isDirect) {
- return GL_FALSE;
- }
-#endif
-
- _glapi_check_multithread();
-
-#ifdef GLX_DIRECT_RENDERING
- /* Bind the direct rendering context to the drawable */
- if (gc && gc->isDirect) {
- bindReturnValue = (gc->driContext.private)
- ? BindContextWrapper(dpy, gc, draw, read)
- : False;
- } else
-#endif
- {
- /* Send a glXMakeCurrent request to bind the new context. */
- bindReturnValue =
- SendMakeCurrentRequest(dpy, opcode, gc ? gc->xid : None,
- ((dpy != oldGC->currentDpy) || oldGC->isDirect)
- ? None : oldGC->currentContextTag,
- draw, read, &reply);
- }
-
-
- if (!bindReturnValue) {
- return False;
- }
-
- if ((dpy != oldGC->currentDpy || (gc && gc->isDirect)) &&
- !oldGC->isDirect && oldGC != &dummyContext) {
- xGLXMakeCurrentReply dummy_reply;
-
- /* We are either switching from one dpy to another and have to
- * send a request to the previous dpy to unbind the previous
- * context, or we are switching away from a indirect context to
- * a direct context and have to send a request to the dpy to
- * unbind the previous context.
- */
- (void) SendMakeCurrentRequest(oldGC->currentDpy, oldOpcode, None,
- oldGC->currentContextTag, None, None,
- & dummy_reply);
- }
-#ifdef GLX_DIRECT_RENDERING
- else if (oldGC->isDirect && oldGC->driContext.private) {
- (void) UnbindContextWrapper(oldGC);
- }
-#endif
-
-
- /* Update our notion of what is current */
- __glXLock();
- if (gc == oldGC) {
- /* Even though the contexts are the same the drawable might have
- * changed. Note that gc cannot be the dummy, and that oldGC
- * cannot be NULL, therefore if they are the same, gc is not
- * NULL and not the dummy.
- */
- gc->currentDrawable = draw;
- gc->currentReadable = read;
- } else {
- if (oldGC != &dummyContext) {
- /* Old current context is no longer current to anybody */
- oldGC->currentDpy = 0;
- oldGC->currentDrawable = None;
- oldGC->currentReadable = None;
- oldGC->currentContextTag = 0;
-
- if (oldGC->xid == None) {
- /* We are switching away from a context that was
- * previously destroyed, so we need to free the memory
- * for the old handle.
- */
-#ifdef GLX_DIRECT_RENDERING
- /* Destroy the old direct rendering context */
- if (oldGC->isDirect) {
- if (oldGC->driContext.private) {
- (*oldGC->driContext.destroyContext)
- (dpy, oldGC->screen, oldGC->driContext.private);
- oldGC->driContext.private = NULL;
- }
- }
-#endif
- __glXFreeContext(oldGC);
- }
- }
- if (gc) {
- __glXSetCurrentContext(gc);
-
- gc->currentDpy = dpy;
- gc->currentDrawable = draw;
- gc->currentReadable = read;
-
- if (!gc->isDirect) {
- if (!IndirectAPI)
- IndirectAPI = __glXNewIndirectAPI();
- _glapi_set_dispatch(IndirectAPI);
-
-#ifdef GLX_USE_APPLEGL
- do {
- extern void XAppleDRIUseIndirectDispatch(void);
- XAppleDRIUseIndirectDispatch();
- } while (0);
-#endif
-
- __GLXattribute *state =
- (__GLXattribute *)(gc->client_state_private);
-
- gc->currentContextTag = reply.contextTag;
- if (state->array_state == NULL) {
- (void) glGetString(GL_EXTENSIONS);
- (void) glGetString(GL_VERSION);
- __glXInitVertexArrayState(gc);
- }
- }
- else {
- gc->currentContextTag = -1;
- }
- } else {
- __glXSetCurrentContext(&dummyContext);
-#ifdef GLX_DIRECT_RENDERING
- _glapi_set_dispatch(NULL); /* no-op functions */
-#endif
- }
- }
- __glXUnlock();
- return GL_TRUE;
-}
-
-
-PUBLIC Bool glXMakeCurrent(Display *dpy, GLXDrawable draw, GLXContext gc)
-{
- return MakeContextCurrent( dpy, draw, draw, gc );
-}
-
-PUBLIC GLX_ALIAS(Bool, glXMakeCurrentReadSGI,
- (Display *dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx),
- (dpy, d, r, ctx), MakeContextCurrent)
-
-PUBLIC GLX_ALIAS(Bool, glXMakeContextCurrent,
- (Display *dpy, GLXDrawable d, GLXDrawable r, GLXContext ctx),
- (dpy, d, r, ctx), MakeContextCurrent)
-
-
#ifdef DEBUG
-void __glXDumpDrawBuffer(__GLXcontext *ctx)
+_X_HIDDEN void
+__glXDumpDrawBuffer(__GLXcontext * ctx)
{
- GLubyte *p = ctx->buf;
- GLubyte *end = ctx->pc;
- GLushort opcode, length;
-
- while (p < end) {
- /* Fetch opcode */
- opcode = *((GLushort*) p);
- length = *((GLushort*) (p + 2));
- printf("%2x: %5d: ", opcode, length);
- length -= 4;
- p += 4;
- while (length > 0) {
- printf("%08x ", *((unsigned *) p));
- p += 4;
- length -= 4;
- }
- printf("\n");
- }
+ GLubyte *p = ctx->buf;
+ GLubyte *end = ctx->pc;
+ GLushort opcode, length;
+
+ while (p < end) {
+ /* Fetch opcode */
+ opcode = *((GLushort *) p);
+ length = *((GLushort *) (p + 2));
+ printf("%2x: %5d: ", opcode, length);
+ length -= 4;
+ p += 4;
+ while (length > 0) {
+ printf("%08x ", *((unsigned *) p));
+ p += 4;
+ length -= 4;
+ }
+ printf("\n");
+ }
}
#endif
#ifdef USE_SPARC_ASM
/*
- * Used only when we are sparc, using sparc assembler.
+ * This is where our dispatch table's bounds are.
+ * And the static mesa_init is taken directly from
+ * Mesa's 'sparc.c' initializer.
+ *
+ * We need something like this here, because this version
+ * of openGL/glx never initializes a Mesa context, and so
+ * the address of the dispatch table pointer never gets stuffed
+ * into the dispatch jump table otherwise.
+ *
+ * It matters only on SPARC, and only if you are using assembler
+ * code instead of C-code indirect dispatch.
*
+ * -- FEM, 04.xii.03
*/
+extern unsigned int _mesa_sparc_glapi_begin;
+extern unsigned int _mesa_sparc_glapi_end;
+extern void __glapi_sparc_icache_flush(unsigned int *);
static void
_glx_mesa_init_sparc_glapi_relocs(void)
{
- unsigned int *insn_ptr, *end_ptr;
- unsigned long disp_addr;
-
- insn_ptr = &_mesa_sparc_glapi_begin;
- end_ptr = &_mesa_sparc_glapi_end;
- disp_addr = (unsigned long) &_glapi_Dispatch;
-
- /*
- * Verbatim from Mesa sparc.c. It's needed because there doesn't
- * seem to be a better way to do this:
- *
- * UNCONDITIONAL_JUMP ( (*_glapi_Dispatch) + entry_offset )
- *
- * This code is patching in the ADDRESS of the pointer to the
- * dispatch table. Hence, it must be called exactly once, because
- * that address is not going to change.
- *
- * What it points to can change, but Mesa (and hence, we) assume
- * that there is only one pointer.
- *
- */
- while (insn_ptr < end_ptr) {
-#if ( defined(__sparc_v9__) && ( !defined(__linux__) || defined(__linux_64__) ) )
+ unsigned int *insn_ptr, *end_ptr;
+ unsigned long disp_addr;
+
+ insn_ptr = &_mesa_sparc_glapi_begin;
+ end_ptr = &_mesa_sparc_glapi_end;
+ disp_addr = (unsigned long) &_glapi_Dispatch;
+
+ /*
+ * Verbatim from Mesa sparc.c. It's needed because there doesn't
+ * seem to be a better way to do this:
+ *
+ * UNCONDITIONAL_JUMP ( (*_glapi_Dispatch) + entry_offset )
+ *
+ * This code is patching in the ADDRESS of the pointer to the
+ * dispatch table. Hence, it must be called exactly once, because
+ * that address is not going to change.
+ *
+ * What it points to can change, but Mesa (and hence, we) assume
+ * that there is only one pointer.
+ *
+ */
+ while (insn_ptr < end_ptr) {
+#if ( defined(__sparc_v9__) && ( !defined(__linux__) || defined(__linux_64__) ) )
/*
This code patches for 64-bit addresses. This had better
not happen for Sparc/Linux, no matter what architecture we
@@ -1870,20 +1018,19 @@ _glx_mesa_init_sparc_glapi_relocs(void)
The 'defined(__linux_64__)' is used here as a placeholder for
when we do do 64-bit usermode on sparc linux.
*/
- insn_ptr[0] |= (disp_addr >> (32 + 10));
- insn_ptr[1] |= ((disp_addr & 0xffffffff) >> 10);
- __glapi_sparc_icache_flush(&insn_ptr[0]);
- insn_ptr[2] |= ((disp_addr >> 32) & ((1 << 10) - 1));
- insn_ptr[3] |= (disp_addr & ((1 << 10) - 1));
- __glapi_sparc_icache_flush(&insn_ptr[2]);
- insn_ptr += 11;
+ insn_ptr[0] |= (disp_addr >> (32 + 10));
+ insn_ptr[1] |= ((disp_addr & 0xffffffff) >> 10);
+ __glapi_sparc_icache_flush(&insn_ptr[0]);
+ insn_ptr[2] |= ((disp_addr >> 32) & ((1 << 10) - 1));
+ insn_ptr[3] |= (disp_addr & ((1 << 10) - 1));
+ __glapi_sparc_icache_flush(&insn_ptr[2]);
+ insn_ptr += 11;
#else
- insn_ptr[0] |= (disp_addr >> 10);
- insn_ptr[1] |= (disp_addr & ((1 << 10) - 1));
- __glapi_sparc_icache_flush(&insn_ptr[0]);
- insn_ptr += 5;
+ insn_ptr[0] |= (disp_addr >> 10);
+ insn_ptr[1] |= (disp_addr & ((1 << 10) - 1));
+ __glapi_sparc_icache_flush(&insn_ptr[0]);
+ insn_ptr += 5;
#endif
- }
+ }
}
-#endif /* sparc ASM in use */
-
+#endif /* sparc ASM in use */