mesa xserver pixman git update 25 nov 2011

5 files changed, 919 insertions, 886 deletions

diff --git a/xorg-server/glx/glxdri.c b/xorg-server/glx/glxdri.c
index 244eac6c2..326f53915 100644
--- a/xorg-server/glx/glxdri.c
+++ b/xorg-server/glx/glxdri.c
@@ -78,6 +78,7 @@ struct __GLXDRIscreen {
     const __DRIlegacyExtension *legacy;
     const __DRIcopySubBufferExtension *copySubBuffer;
     const __DRIswapControlExtension *swapControl;
+    const __DRIconfig **driConfigs;
 
 #ifdef __DRI_TEX_OFFSET
     const __DRItexOffsetExtension *texOffset;
@@ -585,6 +586,8 @@ static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
 static void
 __glXDRIscreenDestroy(__GLXscreen *baseScreen)
 {
+    int i;
+
     __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
 
     screen->core->destroyScreen(screen->driScreen);
@@ -593,6 +596,12 @@ __glXDRIscreenDestroy(__GLXscreen *baseScreen)
 
     __glXScreenDestroy(baseScreen);
 
+    if (screen->driConfigs) {
+	for (i = 0; screen->driConfigs[i] != NULL; i++)
+	    free((__DRIconfig **)screen->driConfigs[i]);
+	free(screen->driConfigs);
+    }
+
     free(screen);
 }
 
@@ -967,7 +976,6 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
     Bool isCapable;
     size_t buffer_size;
     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    const __DRIconfig **driConfigs;
 
     if (!xf86LoaderCheckSymbol("DRIQueryDirectRenderingCapable") ||
 	!DRIQueryDirectRenderingCapable(pScreen, &isCapable) ||
@@ -1095,7 +1103,7 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
 					   pSAREA,
 					   fd,
 					   loader_extensions,
-					   &driConfigs,
+					   &screen->driConfigs,
 					   screen);
 
     if (screen->driScreen == NULL) {
@@ -1105,7 +1113,8 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
     }
 
     screen->base.fbconfigs = glxConvertConfigs(screen->core,
-					       driConfigs, GLX_WINDOW_BIT);
+					       screen->driConfigs,
+					       GLX_WINDOW_BIT);
 
     initializeExtensions(screen);
 
diff --git a/xorg-server/glx/glxdri2.c b/xorg-server/glx/glxdri2.c
index e8722585b..8187a3edd 100644
--- a/xorg-server/glx/glxdri2.c
+++ b/xorg-server/glx/glxdri2.c
@@ -73,6 +73,7 @@ struct __GLXDRIscreen {
     const __DRIcopySubBufferExtension *copySubBuffer;
     const __DRIswapControlExtension *swapControl;
     const __DRItexBufferExtension *texBuffer;
+    const __DRIconfig **driConfigs;
 
     unsigned char glx_enable_bits[__GLX_EXT_BYTES];
 };
@@ -363,6 +364,8 @@ static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
 static void
 __glXDRIscreenDestroy(__GLXscreen *baseScreen)
 {
+    int i;
+
     __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
 
     (*screen->core->destroyScreen)(screen->driScreen);
@@ -371,6 +374,12 @@ __glXDRIscreenDestroy(__GLXscreen *baseScreen)
 
     __glXScreenDestroy(baseScreen);
 
+    if (screen->driConfigs) {
+	for (i = 0; screen->driConfigs[i] != NULL; i++)
+	    free((__DRIconfig **)screen->driConfigs[i]);
+	free(screen->driConfigs);
+    }
+
     free(screen);
 }
 
@@ -688,7 +697,6 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
     __GLXDRIscreen *screen;
     size_t buffer_size;
     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-    const __DRIconfig **driConfigs;
 
     screen = calloc(1, sizeof *screen);
     if (screen == NULL)
@@ -720,7 +728,7 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
 	(*screen->dri2->createNewScreen)(pScreen->myNum,
 					 screen->fd,
 					 loader_extensions,
-					 &driConfigs,
+					 &screen->driConfigs,
 					 screen);
 
     if (screen->driScreen == NULL) {
@@ -731,7 +739,7 @@ __glXDRIscreenProbe(ScreenPtr pScreen)
 
     initializeExtensions(screen);
 
-    screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs,
+    screen->base.fbconfigs = glxConvertConfigs(screen->core, screen->driConfigs,
 					       GLX_WINDOW_BIT |
 					       GLX_PIXMAP_BIT |
 					       GLX_PBUFFER_BIT);
diff --git a/xorg-server/glx/glxdriswrast.c b/xorg-server/glx/glxdriswrast.c
index 9b65f3662..d064a0536 100644
--- a/xorg-server/glx/glxdriswrast.c
+++ b/xorg-server/glx/glxdriswrast.c
@@ -1,494 +1,502 @@
-/*

- * Copyright © 2008 George Sapountzis <gsap7@yahoo.gr>

- * Copyright © 2008 Red Hat, Inc

- *

- * Permission to use, copy, modify, distribute, and sell this software

- * and its documentation for any purpose is hereby granted without

- * fee, provided that the above copyright notice appear in all copies

- * and that both that copyright notice and this permission notice

- * appear in supporting documentation, and that the name of the

- * copyright holders not be used in advertising or publicity

- * pertaining to distribution of the software without specific,

- * written prior permission.  The copyright holders make no

- * representations about the suitability of this software for any

- * purpose.  It is provided "as is" without express or implied

- * warranty.

- *

- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS

- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND

- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY

- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN

- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING

- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS

- * SOFTWARE.

- */

-

-#ifdef HAVE_DIX_CONFIG_H

-#include <dix-config.h>

-#endif

-

-#include <stdint.h>

-#include <stdio.h>

-#include <string.h>

-#include <errno.h>

-#include <sys/time.h>

-#include <dlfcn.h>

-

-#include <GL/gl.h>

-#include <GL/internal/dri_interface.h>

-#include <GL/glxtokens.h>

-

-#include "scrnintstr.h"

-#include "pixmapstr.h"

-#include "gcstruct.h"

-#include "os.h"

-

-#include "glxserver.h"

-#include "glxutil.h"

-#include "glxdricommon.h"

-

-#include "glapitable.h"

-#include "glapi.h"

-#include "glthread.h"

-#include "dispatch.h"

-#include "extension_string.h"

-

-/* RTLD_LOCAL is not defined on Cygwin */

-#ifdef __CYGWIN__

-#ifndef RTLD_LOCAL

-#define RTLD_LOCAL 0

-#endif

-#endif

-

-typedef struct __GLXDRIscreen   __GLXDRIscreen;

-typedef struct __GLXDRIcontext  __GLXDRIcontext;

-typedef struct __GLXDRIdrawable __GLXDRIdrawable;

-

-struct __GLXDRIscreen {

-    __GLXscreen		 base;

-    __DRIscreen		*driScreen;

-    void		*driver;

-

-    const __DRIcoreExtension *core;

-    const __DRIswrastExtension *swrast;

-    const __DRIcopySubBufferExtension *copySubBuffer;

-    const __DRItexBufferExtension *texBuffer;

-};

-

-struct __GLXDRIcontext {

-    __GLXcontext	 base;

-    __DRIcontext	*driContext;

-};

-

-struct __GLXDRIdrawable {

-    __GLXdrawable	 base;

-    __DRIdrawable	*driDrawable;

-    __GLXDRIscreen	*screen;

-

-    GCPtr gc;		/* scratch GC for span drawing */

-    GCPtr swapgc;	/* GC for swapping the color buffers */

-};

-

-static void

-__glXDRIdrawableDestroy(__GLXdrawable *drawable)

-{

-    __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;

-    const __DRIcoreExtension *core = private->screen->core;

-

-    (*core->destroyDrawable)(private->driDrawable);

-

-    FreeGC(private->gc, (GContext)0);

-    FreeGC(private->swapgc, (GContext)0);

-

-    __glXDrawableRelease(drawable);

-

-    free(private);

-}

-

-static GLboolean

-__glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *drawable)

-{

-    __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;

-    const __DRIcoreExtension *core = private->screen->core;

-

-    (*core->swapBuffers)(private->driDrawable);

-

-    return TRUE;

-}

-

-static void

-__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,

-			       int x, int y, int w, int h)

-{

-    __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;

-    const __DRIcopySubBufferExtension *copySubBuffer =

-	    private->screen->copySubBuffer;

-

-    if (copySubBuffer)

-	(*copySubBuffer->copySubBuffer)(private->driDrawable, x, y, w, h);

-}

-

-static void

-__glXDRIcontextDestroy(__GLXcontext *baseContext)

-{

-    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;

-    __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;

-

-    (*screen->core->destroyContext)(context->driContext);

-    __glXContextDestroy(&context->base);

-    free(context);

-}

-

-static int

-__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)

-{

-    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;

-    __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;

-    __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;

-    __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;

-

-    return (*screen->core->bindContext)(context->driContext,

-					draw->driDrawable,

-					read->driDrawable);

-}

-

-static int

-__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)

-{

-    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;

-    __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;

-

-    return (*screen->core->unbindContext)(context->driContext);

-}

-

-static int

-__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,

-		    unsigned long mask)

-{

-    __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;

-    __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;

-    __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen;

-

-    return (*screen->core->copyContext)(dst->driContext,

-					src->driContext, mask);

-}

-

-#ifdef __DRI_TEX_BUFFER

-

-static int

-__glXDRIbindTexImage(__GLXcontext *baseContext,

-		     int buffer,

-		     __GLXdrawable *glxPixmap)

-{

-    __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) glxPixmap;

-    const __DRItexBufferExtension *texBuffer = drawable->screen->texBuffer;

-    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;

-

-    if (texBuffer == NULL)

-        return Success;

-

-#if __DRI_TEX_BUFFER_VERSION >= 2

-    if (texBuffer->base.version >= 2 && texBuffer->setTexBuffer2 != NULL) {

-	(*texBuffer->setTexBuffer2)(context->driContext,

-				    glxPixmap->target,

-				    glxPixmap->format,

-				    drawable->driDrawable);

-    } else

-#endif

-    texBuffer->setTexBuffer(context->driContext,

-			    glxPixmap->target,

-			    drawable->driDrawable);

-

-    return Success;

-}

-

-static int

-__glXDRIreleaseTexImage(__GLXcontext *baseContext,

-			int buffer,

-			__GLXdrawable *pixmap)

-{

-    /* FIXME: Just unbind the texture? */

-    return Success;

-}

-

-#else

-

-static int

-__glXDRIbindTexImage(__GLXcontext *baseContext,

-		     int buffer,

-		     __GLXdrawable *glxPixmap)

-{

-    return Success;

-}

-

-static int

-__glXDRIreleaseTexImage(__GLXcontext *baseContext,

-			int buffer,

-			__GLXdrawable *pixmap)

-{

-    return Success;

-}

-

-#endif

-

-static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {

-    __glXDRIbindTexImage,

-    __glXDRIreleaseTexImage

-};

-

-static void

-__glXDRIscreenDestroy(__GLXscreen *baseScreen)

-{

-    __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;

-

-    (*screen->core->destroyScreen)(screen->driScreen);

-

-    dlclose(screen->driver);

-

-    __glXScreenDestroy(baseScreen);

-

-    free(screen);

-}

-

-static __GLXcontext *

-__glXDRIscreenCreateContext(__GLXscreen *baseScreen,

-			    __GLXconfig *glxConfig,

-			    __GLXcontext *baseShareContext)

-{

-    __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;

-    __GLXDRIcontext *context, *shareContext;

-    __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;

-    const __DRIcoreExtension *core = screen->core;

-    __DRIcontext *driShare;

-

-    shareContext = (__GLXDRIcontext *) baseShareContext;

-    if (shareContext)

-	driShare = shareContext->driContext;

-    else

-	driShare = NULL;

-

-    context = calloc(1, sizeof *context);

-    if (context == NULL)

-	return NULL;

-

-    context->base.destroy           = __glXDRIcontextDestroy;

-    context->base.makeCurrent       = __glXDRIcontextMakeCurrent;

-    context->base.loseCurrent       = __glXDRIcontextLoseCurrent;

-    context->base.copy              = __glXDRIcontextCopy;

-    context->base.textureFromPixmap = &__glXDRItextureFromPixmap;

-

-    context->driContext =

-	(*core->createNewContext)(screen->driScreen,

-				  config->driConfig, driShare, context);

-

-    return &context->base;

-}

-

-static __GLXdrawable *

-__glXDRIscreenCreateDrawable(ClientPtr client,

-			     __GLXscreen *screen,

-			     DrawablePtr pDraw,

-			     XID drawId,

-			     int type,

-			     XID glxDrawId,

-			     __GLXconfig *glxConfig)

-{

-    XID gcvals[2];

-    int status;

-    __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;

-    __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;

-    __GLXDRIdrawable *private;

-

-    private = calloc(1, sizeof *private);

-    if (private == NULL)

-	return NULL;

-

-    private->screen = driScreen;

-    if (!__glXDrawableInit(&private->base, screen,

-			   pDraw, type, glxDrawId, glxConfig)) {

-        free(private);

-	return NULL;

-    }

-

-    private->base.destroy       = __glXDRIdrawableDestroy;

-    private->base.swapBuffers   = __glXDRIdrawableSwapBuffers;

-    private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;

-

-    gcvals[0] = GXcopy;

-    private->gc = CreateGC(pDraw, GCFunction, gcvals, &status, (XID)0, serverClient);

-    gcvals[1] = FALSE;

-    private->swapgc = CreateGC(pDraw, GCFunction | GCGraphicsExposures, gcvals, &status, (XID)0, serverClient);

-

-    private->driDrawable =

-	(*driScreen->swrast->createNewDrawable)(driScreen->driScreen,

-						config->driConfig,

-						private);

-

-    return &private->base;

-}

-

-static void

-swrastGetDrawableInfo(__DRIdrawable *draw,

-		      int *x, int *y, int *w, int *h,

-		      void *loaderPrivate)

-{

-    __GLXDRIdrawable *drawable = loaderPrivate;

-    DrawablePtr pDraw = drawable->base.pDraw;

-

-    *x = pDraw->x;

-    *y = pDraw->x;

-    *w = pDraw->width;

-    *h = pDraw->height;

-}

-

-static void

-swrastPutImage(__DRIdrawable *draw, int op,

-	     int x, int y, int w, int h, char *data,

-	     void *loaderPrivate)

-{

-    __GLXDRIdrawable *drawable = loaderPrivate;

-    DrawablePtr pDraw = drawable->base.pDraw;

-    GCPtr gc;

-

-    switch (op) {

-    case __DRI_SWRAST_IMAGE_OP_DRAW:

-	gc = drawable->gc;

-	break;

-    case __DRI_SWRAST_IMAGE_OP_SWAP:

-	gc = drawable->swapgc;

-	break;

-    default:

-	return;

-    }

-

-    ValidateGC(pDraw, gc);

-

-    gc->ops->PutImage(pDraw, gc, pDraw->depth,

-		      x, y, w, h, 0, ZPixmap, data);

-}

-

-static void

-swrastGetImage(__DRIdrawable *draw,

-	     int x, int y, int w, int h, char *data,

-	     void *loaderPrivate)

-{

-    __GLXDRIdrawable *drawable = loaderPrivate;

-    DrawablePtr pDraw = drawable->base.pDraw;

-    ScreenPtr pScreen = pDraw->pScreen;

-

-    pScreen->GetImage(pDraw, x, y, w, h, ZPixmap, ~0L, data);

-}

-

-static const __DRIswrastLoaderExtension swrastLoaderExtension = {

-    { __DRI_SWRAST_LOADER, __DRI_SWRAST_LOADER_VERSION },

-    swrastGetDrawableInfo,

-    swrastPutImage,

-    swrastGetImage

-};

-

-static const __DRIextension *loader_extensions[] = {

-    &systemTimeExtension.base,

-    &swrastLoaderExtension.base,

-    NULL

-};

-

-static void

-initializeExtensions(__GLXDRIscreen *screen)

-{

-    const __DRIextension **extensions;

-    int i;

-

-    extensions = screen->core->getExtensions(screen->driScreen);

-

-    for (i = 0; extensions[i]; i++) {

-#ifdef __DRI_COPY_SUB_BUFFER

-	if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {

-	    screen->copySubBuffer =

-		(const __DRIcopySubBufferExtension *) extensions[i];

-	    /* GLX_MESA_copy_sub_buffer is always enabled. */

-	}

-#endif

-

-#ifdef __DRI_TEX_BUFFER

-	if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {

-	    screen->texBuffer =

-		(const __DRItexBufferExtension *) extensions[i];

-	    /* GLX_EXT_texture_from_pixmap is always enabled. */

-	}

-#endif

-	/* Ignore unknown extensions */

-    }

-}

-

-static __GLXscreen *

-__glXDRIscreenProbe(ScreenPtr pScreen)

-{

-    const char *driverName = "swrast";

-    __GLXDRIscreen *screen;

-    const __DRIconfig **driConfigs;

-

-    screen = calloc(1, sizeof *screen);

-    if (screen == NULL)

-	return NULL;

-

-    screen->base.destroy        = __glXDRIscreenDestroy;

-    screen->base.createContext  = __glXDRIscreenCreateContext;

-    screen->base.createDrawable = __glXDRIscreenCreateDrawable;

-    screen->base.swapInterval   = NULL;

-    screen->base.pScreen       = pScreen;

-

-    screen->driver = glxProbeDriver(driverName,

-				    (void **)&screen->core,

-				    __DRI_CORE, __DRI_CORE_VERSION,

-				    (void **)&screen->swrast,

-				    __DRI_SWRAST, __DRI_SWRAST_VERSION);

-    if (screen->driver == NULL) {

-        goto handle_error;

-    }

-

-    screen->driScreen =

-	(*screen->swrast->createNewScreen)(pScreen->myNum,

-					   loader_extensions,

-					   &driConfigs,

-					   screen);

-

-    if (screen->driScreen == NULL) {

-	LogMessage(X_ERROR,

-		   "AIGLX error: Calling driver entry point failed\n");

-	goto handle_error;

-    }

-

-    initializeExtensions(screen);

-

-    screen->base.fbconfigs = glxConvertConfigs(screen->core, driConfigs,

-					       GLX_WINDOW_BIT |

-					       GLX_PIXMAP_BIT |

-					       GLX_PBUFFER_BIT);

-

-    __glXScreenInit(&screen->base, pScreen);

-

-    screen->base.GLXmajor = 1;

-    screen->base.GLXminor = 4;

-

-    LogMessage(X_INFO,

-	       "AIGLX: Loaded and initialized %s\n", driverName);

-

-    return &screen->base;

-

- handle_error:

-    if (screen->driver)

-        dlclose(screen->driver);

-

-    free(screen);

-

-    LogMessage(X_ERROR, "GLX: could not load software renderer\n");

-

-    return NULL;

-}

-

-_X_EXPORT __GLXprovider __glXDRISWRastProvider = {

-    __glXDRIscreenProbe,

-    "DRISWRAST",

-    NULL

-};

+/*
+ * Copyright © 2008 George Sapountzis <gsap7@yahoo.gr>
+ * Copyright © 2008 Red Hat, Inc
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of the
+ * copyright holders not be used in advertising or publicity
+ * pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <dlfcn.h>
+
+#include <GL/gl.h>
+#include <GL/internal/dri_interface.h>
+#include <GL/glxtokens.h>
+
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "gcstruct.h"
+#include "os.h"
+
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glxdricommon.h"
+
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+#include "extension_string.h"
+
+/* RTLD_LOCAL is not defined on Cygwin */
+#ifdef __CYGWIN__
+#ifndef RTLD_LOCAL
+#define RTLD_LOCAL 0
+#endif
+#endif
+
+typedef struct __GLXDRIscreen   __GLXDRIscreen;
+typedef struct __GLXDRIcontext  __GLXDRIcontext;
+typedef struct __GLXDRIdrawable __GLXDRIdrawable;
+
+struct __GLXDRIscreen {
+    __GLXscreen		 base;
+    __DRIscreen		*driScreen;
+    void		*driver;
+
+    const __DRIcoreExtension *core;
+    const __DRIswrastExtension *swrast;
+    const __DRIcopySubBufferExtension *copySubBuffer;
+    const __DRItexBufferExtension *texBuffer;
+    const __DRIconfig **driConfigs;
+};
+
+struct __GLXDRIcontext {
+    __GLXcontext	 base;
+    __DRIcontext	*driContext;
+};
+
+struct __GLXDRIdrawable {
+    __GLXdrawable	 base;
+    __DRIdrawable	*driDrawable;
+    __GLXDRIscreen	*screen;
+
+    GCPtr gc;		/* scratch GC for span drawing */
+    GCPtr swapgc;	/* GC for swapping the color buffers */
+};
+
+static void
+__glXDRIdrawableDestroy(__GLXdrawable *drawable)
+{
+    __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
+    const __DRIcoreExtension *core = private->screen->core;
+
+    (*core->destroyDrawable)(private->driDrawable);
+
+    FreeGC(private->gc, (GContext)0);
+    FreeGC(private->swapgc, (GContext)0);
+
+    __glXDrawableRelease(drawable);
+
+    free(private);
+}
+
+static GLboolean
+__glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *drawable)
+{
+    __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable;
+    const __DRIcoreExtension *core = private->screen->core;
+
+    (*core->swapBuffers)(private->driDrawable);
+
+    return TRUE;
+}
+
+static void
+__glXDRIdrawableCopySubBuffer(__GLXdrawable *basePrivate,
+			       int x, int y, int w, int h)
+{
+    __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate;
+    const __DRIcopySubBufferExtension *copySubBuffer =
+	    private->screen->copySubBuffer;
+
+    if (copySubBuffer)
+	(*copySubBuffer->copySubBuffer)(private->driDrawable, x, y, w, h);
+}
+
+static void
+__glXDRIcontextDestroy(__GLXcontext *baseContext)
+{
+    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+    __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+    (*screen->core->destroyContext)(context->driContext);
+    __glXContextDestroy(&context->base);
+    free(context);
+}
+
+static int
+__glXDRIcontextMakeCurrent(__GLXcontext *baseContext)
+{
+    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+    __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv;
+    __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv;
+    __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+    return (*screen->core->bindContext)(context->driContext,
+					draw->driDrawable,
+					read->driDrawable);
+}
+
+static int
+__glXDRIcontextLoseCurrent(__GLXcontext *baseContext)
+{
+    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+    __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen;
+
+    return (*screen->core->unbindContext)(context->driContext);
+}
+
+static int
+__glXDRIcontextCopy(__GLXcontext *baseDst, __GLXcontext *baseSrc,
+		    unsigned long mask)
+{
+    __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst;
+    __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc;
+    __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen;
+
+    return (*screen->core->copyContext)(dst->driContext,
+					src->driContext, mask);
+}
+
+#ifdef __DRI_TEX_BUFFER
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+		     int buffer,
+		     __GLXdrawable *glxPixmap)
+{
+    __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) glxPixmap;
+    const __DRItexBufferExtension *texBuffer = drawable->screen->texBuffer;
+    __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext;
+
+    if (texBuffer == NULL)
+        return Success;
+
+#if __DRI_TEX_BUFFER_VERSION >= 2
+    if (texBuffer->base.version >= 2 && texBuffer->setTexBuffer2 != NULL) {
+	(*texBuffer->setTexBuffer2)(context->driContext,
+				    glxPixmap->target,
+				    glxPixmap->format,
+				    drawable->driDrawable);
+    } else
+#endif
+    texBuffer->setTexBuffer(context->driContext,
+			    glxPixmap->target,
+			    drawable->driDrawable);
+
+    return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+			int buffer,
+			__GLXdrawable *pixmap)
+{
+    /* FIXME: Just unbind the texture? */
+    return Success;
+}
+
+#else
+
+static int
+__glXDRIbindTexImage(__GLXcontext *baseContext,
+		     int buffer,
+		     __GLXdrawable *glxPixmap)
+{
+    return Success;
+}
+
+static int
+__glXDRIreleaseTexImage(__GLXcontext *baseContext,
+			int buffer,
+			__GLXdrawable *pixmap)
+{
+    return Success;
+}
+
+#endif
+
+static __GLXtextureFromPixmap __glXDRItextureFromPixmap = {
+    __glXDRIbindTexImage,
+    __glXDRIreleaseTexImage
+};
+
+static void
+__glXDRIscreenDestroy(__GLXscreen *baseScreen)
+{
+    int i;
+
+    __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+
+    (*screen->core->destroyScreen)(screen->driScreen);
+
+    dlclose(screen->driver);
+
+    __glXScreenDestroy(baseScreen);
+
+    if (screen->driConfigs) {
+	for (i = 0; screen->driConfigs[i] != NULL; i++)
+	    free((__DRIconfig **)screen->driConfigs[i]);
+	free(screen->driConfigs);
+    }
+
+    free(screen);
+}
+
+static __GLXcontext *
+__glXDRIscreenCreateContext(__GLXscreen *baseScreen,
+			    __GLXconfig *glxConfig,
+			    __GLXcontext *baseShareContext)
+{
+    __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen;
+    __GLXDRIcontext *context, *shareContext;
+    __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+    const __DRIcoreExtension *core = screen->core;
+    __DRIcontext *driShare;
+
+    shareContext = (__GLXDRIcontext *) baseShareContext;
+    if (shareContext)
+	driShare = shareContext->driContext;
+    else
+	driShare = NULL;
+
+    context = calloc(1, sizeof *context);
+    if (context == NULL)
+	return NULL;
+
+    context->base.destroy           = __glXDRIcontextDestroy;
+    context->base.makeCurrent       = __glXDRIcontextMakeCurrent;
+    context->base.loseCurrent       = __glXDRIcontextLoseCurrent;
+    context->base.copy              = __glXDRIcontextCopy;
+    context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
+
+    context->driContext =
+	(*core->createNewContext)(screen->driScreen,
+				  config->driConfig, driShare, context);
+
+    return &context->base;
+}
+
+static __GLXdrawable *
+__glXDRIscreenCreateDrawable(ClientPtr client,
+			     __GLXscreen *screen,
+			     DrawablePtr pDraw,
+			     XID drawId,
+			     int type,
+			     XID glxDrawId,
+			     __GLXconfig *glxConfig)
+{
+    XID gcvals[2];
+    int status;
+    __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen;
+    __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig;
+    __GLXDRIdrawable *private;
+
+    private = calloc(1, sizeof *private);
+    if (private == NULL)
+	return NULL;
+
+    private->screen = driScreen;
+    if (!__glXDrawableInit(&private->base, screen,
+			   pDraw, type, glxDrawId, glxConfig)) {
+        free(private);
+	return NULL;
+    }
+
+    private->base.destroy       = __glXDRIdrawableDestroy;
+    private->base.swapBuffers   = __glXDRIdrawableSwapBuffers;
+    private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer;
+
+    gcvals[0] = GXcopy;
+    private->gc = CreateGC(pDraw, GCFunction, gcvals, &status, (XID)0, serverClient);
+    gcvals[1] = FALSE;
+    private->swapgc = CreateGC(pDraw, GCFunction | GCGraphicsExposures, gcvals, &status, (XID)0, serverClient);
+
+    private->driDrawable =
+	(*driScreen->swrast->createNewDrawable)(driScreen->driScreen,
+						config->driConfig,
+						private);
+
+    return &private->base;
+}
+
+static void
+swrastGetDrawableInfo(__DRIdrawable *draw,
+		      int *x, int *y, int *w, int *h,
+		      void *loaderPrivate)
+{
+    __GLXDRIdrawable *drawable = loaderPrivate;
+    DrawablePtr pDraw = drawable->base.pDraw;
+
+    *x = pDraw->x;
+    *y = pDraw->x;
+    *w = pDraw->width;
+    *h = pDraw->height;
+}
+
+static void
+swrastPutImage(__DRIdrawable *draw, int op,
+	     int x, int y, int w, int h, char *data,
+	     void *loaderPrivate)
+{
+    __GLXDRIdrawable *drawable = loaderPrivate;
+    DrawablePtr pDraw = drawable->base.pDraw;
+    GCPtr gc;
+
+    switch (op) {
+    case __DRI_SWRAST_IMAGE_OP_DRAW:
+	gc = drawable->gc;
+	break;
+    case __DRI_SWRAST_IMAGE_OP_SWAP:
+	gc = drawable->swapgc;
+	break;
+    default:
+	return;
+    }
+
+    ValidateGC(pDraw, gc);
+
+    gc->ops->PutImage(pDraw, gc, pDraw->depth,
+		      x, y, w, h, 0, ZPixmap, data);
+}
+
+static void
+swrastGetImage(__DRIdrawable *draw,
+	     int x, int y, int w, int h, char *data,
+	     void *loaderPrivate)
+{
+    __GLXDRIdrawable *drawable = loaderPrivate;
+    DrawablePtr pDraw = drawable->base.pDraw;
+    ScreenPtr pScreen = pDraw->pScreen;
+
+    pScreen->GetImage(pDraw, x, y, w, h, ZPixmap, ~0L, data);
+}
+
+static const __DRIswrastLoaderExtension swrastLoaderExtension = {
+    { __DRI_SWRAST_LOADER, __DRI_SWRAST_LOADER_VERSION },
+    swrastGetDrawableInfo,
+    swrastPutImage,
+    swrastGetImage
+};
+
+static const __DRIextension *loader_extensions[] = {
+    &systemTimeExtension.base,
+    &swrastLoaderExtension.base,
+    NULL
+};
+
+static void
+initializeExtensions(__GLXDRIscreen *screen)
+{
+    const __DRIextension **extensions;
+    int i;
+
+    extensions = screen->core->getExtensions(screen->driScreen);
+
+    for (i = 0; extensions[i]; i++) {
+#ifdef __DRI_COPY_SUB_BUFFER
+	if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
+	    screen->copySubBuffer =
+		(const __DRIcopySubBufferExtension *) extensions[i];
+	    /* GLX_MESA_copy_sub_buffer is always enabled. */
+	}
+#endif
+
+#ifdef __DRI_TEX_BUFFER
+	if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
+	    screen->texBuffer =
+		(const __DRItexBufferExtension *) extensions[i];
+	    /* GLX_EXT_texture_from_pixmap is always enabled. */
+	}
+#endif
+	/* Ignore unknown extensions */
+    }
+}
+
+static __GLXscreen *
+__glXDRIscreenProbe(ScreenPtr pScreen)
+{
+    const char *driverName = "swrast";
+    __GLXDRIscreen *screen;
+
+    screen = calloc(1, sizeof *screen);
+    if (screen == NULL)
+	return NULL;
+
+    screen->base.destroy        = __glXDRIscreenDestroy;
+    screen->base.createContext  = __glXDRIscreenCreateContext;
+    screen->base.createDrawable = __glXDRIscreenCreateDrawable;
+    screen->base.swapInterval   = NULL;
+    screen->base.pScreen       = pScreen;
+
+    screen->driver = glxProbeDriver(driverName,
+				    (void **)&screen->core,
+				    __DRI_CORE, __DRI_CORE_VERSION,
+				    (void **)&screen->swrast,
+				    __DRI_SWRAST, __DRI_SWRAST_VERSION);
+    if (screen->driver == NULL) {
+        goto handle_error;
+    }
+
+    screen->driScreen =
+	(*screen->swrast->createNewScreen)(pScreen->myNum,
+					   loader_extensions,
+					   &screen->driConfigs,
+					   screen);
+
+    if (screen->driScreen == NULL) {
+	LogMessage(X_ERROR,
+		   "AIGLX error: Calling driver entry point failed\n");
+	goto handle_error;
+    }
+
+    initializeExtensions(screen);
+
+    screen->base.fbconfigs = glxConvertConfigs(screen->core, screen->driConfigs,
+					       GLX_WINDOW_BIT |
+					       GLX_PIXMAP_BIT |
+					       GLX_PBUFFER_BIT);
+
+    __glXScreenInit(&screen->base, pScreen);
+
+    screen->base.GLXmajor = 1;
+    screen->base.GLXminor = 4;
+
+    LogMessage(X_INFO,
+	       "AIGLX: Loaded and initialized %s\n", driverName);
+
+    return &screen->base;
+
+ handle_error:
+    if (screen->driver)
+        dlclose(screen->driver);
+
+    free(screen);
+
+    LogMessage(X_ERROR, "GLX: could not load software renderer\n");
+
+    return NULL;
+}
+
+_X_EXPORT __GLXprovider __glXDRISWRastProvider = {
+    __glXDRIscreenProbe,
+    "DRISWRAST",
+    NULL
+};
diff --git a/xorg-server/glx/glxscreens.c b/xorg-server/glx/glxscreens.c
index c4ad42648..928cf0c92 100644
--- a/xorg-server/glx/glxscreens.c
+++ b/xorg-server/glx/glxscreens.c
@@ -419,7 +419,17 @@ void __glXScreenInit(__GLXscreen *pGlxScreen, ScreenPtr pScreen)
 
 void __glXScreenDestroy(__GLXscreen *screen)
 {
+    __GLXconfig *head, *next;
+
+    head = screen->fbconfigs;
+    while (head) {
+	next = head->next;
+	free(head);
+	head = next;
+    }
+
     free(screen->GLXvendor);
     free(screen->GLXextensions);
     free(screen->GLextensions);
+    free(screen->visuals);
 }
diff --git a/xorg-server/glx/single2.c b/xorg-server/glx/single2.c
index 4abd4c084..9f8254b01 100644
--- a/xorg-server/glx/single2.c
+++ b/xorg-server/glx/single2.c
@@ -1,386 +1,384 @@
-/*

- * 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.

- */

-

-#ifdef HAVE_DIX_CONFIG_H

-#include <dix-config.h>

-#endif

-

-#include <string.h>

-#include <stdio.h>

-#include <stdlib.h>

-

-#include "glxserver.h"

-#include "glxutil.h"

-#include "glxext.h"

-#include "indirect_dispatch.h"

-#include "unpack.h"

-#include "glapitable.h"

-#include "glapi.h"

-#include "glthread.h"

-#include "dispatch.h"

-

-int __glXDisp_FeedbackBuffer(__GLXclientState *cl, GLbyte *pc)

-{

-    GLsizei size;

-    GLenum type;

-    __GLXcontext *cx;

-    int error;

-

-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

-    if (!cx) {

-	return error;

-    }

-

-    pc += __GLX_SINGLE_HDR_SIZE;

-    size = *(GLsizei *)(pc+0);

-    type = *(GLenum *)(pc+4);

-    if (cx->feedbackBufSize < size) {

-	cx->feedbackBuf = (GLfloat *) realloc(cx->feedbackBuf,

-						   (size_t)size 

-						   * __GLX_SIZE_FLOAT32);

-	if (!cx->feedbackBuf) {

-	    cl->client->errorValue = size;

-	    return BadAlloc;

-	}

-	cx->feedbackBufSize = size;

-    }

-    CALL_FeedbackBuffer( GET_DISPATCH(), (size, type, cx->feedbackBuf) );

-    cx->hasUnflushedCommands = GL_TRUE;

-    return Success;

-}

-

-int __glXDisp_SelectBuffer(__GLXclientState *cl, GLbyte *pc)

-{

-    __GLXcontext *cx;

-    GLsizei size;

-    int error;

-

-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

-    if (!cx) {

-	return error;

-    }

-

-    pc += __GLX_SINGLE_HDR_SIZE;

-    size = *(GLsizei *)(pc+0);

-    if (cx->selectBufSize < size) {

-	cx->selectBuf = (GLuint *) realloc(cx->selectBuf,

-						(size_t) size 

-						* __GLX_SIZE_CARD32);

-	if (!cx->selectBuf) {

-	    cl->client->errorValue = size;

-	    return BadAlloc;

-	}

-	cx->selectBufSize = size;

-    }

-    CALL_SelectBuffer( GET_DISPATCH(), (size, cx->selectBuf) );

-    cx->hasUnflushedCommands = GL_TRUE;

-    return Success;

-}

-

-int __glXDisp_RenderMode(__GLXclientState *cl, GLbyte *pc)

-{

-    ClientPtr client;

-    xGLXRenderModeReply reply;

-    __GLXcontext *cx;

-    GLint nitems=0, retBytes=0, retval, newModeCheck;

-    GLubyte *retBuffer = NULL;

-    GLenum newMode;

-    int error;

-

-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

-    if (!cx) {

-	return error;

-    }

-

-    pc += __GLX_SINGLE_HDR_SIZE;

-    newMode = *(GLenum*) pc;

-    retval = CALL_RenderMode( GET_DISPATCH(), (newMode) );

-

-    /* Check that render mode worked */

-    CALL_GetIntegerv( GET_DISPATCH(), (GL_RENDER_MODE, &newModeCheck) );

-    if (newModeCheck != newMode) {

-	/* Render mode change failed.  Bail */

-	newMode = newModeCheck;

-	goto noChangeAllowed;

-    }

-

-    /*

-    ** Render mode might have still failed if we get here.  But in this

-    ** case we can't really tell, nor does it matter.  If it did fail, it

-    ** will return 0, and thus we won't send any data across the wire.

-    */

-

-    switch (cx->renderMode) {

-      case GL_RENDER:

-	cx->renderMode = newMode;

-	break;

-      case GL_FEEDBACK:

-	if (retval < 0) {

-	    /* Overflow happened. Copy the entire buffer */

-	    nitems = cx->feedbackBufSize;

-	} else {

-	    nitems = retval;

-	}

-	retBytes = nitems * __GLX_SIZE_FLOAT32;

-	retBuffer = (GLubyte*) cx->feedbackBuf;

-	cx->renderMode = newMode;

-	break;

-      case GL_SELECT:

-	if (retval < 0) {

-	    /* Overflow happened.  Copy the entire buffer */

-	    nitems = cx->selectBufSize;

-	} else {

-	    GLuint *bp = cx->selectBuf;

-	    GLint i;

-

-	    /*

-	    ** Figure out how many bytes of data need to be sent.  Parse

-	    ** the selection buffer to determine this fact as the

-	    ** return value is the number of hits, not the number of

-	    ** items in the buffer.

-	    */

-	    nitems = 0;

-	    i = retval;

-	    while (--i >= 0) {

-		GLuint n;

-

-		/* Parse select data for this hit */

-		n = *bp;

-		bp += 3 + n;

-	    }

-	    nitems = bp - cx->selectBuf;

-	}

-	retBytes = nitems * __GLX_SIZE_CARD32;

-	retBuffer = (GLubyte*) cx->selectBuf;

-	cx->renderMode = newMode;

-	break;

-    }

-

-    /*

-    ** First reply is the number of elements returned in the feedback or

-    ** selection array, as per the API for glRenderMode itself.

-    */

-  noChangeAllowed:;

-    client = cl->client;

-    reply.length = nitems;

-    reply.type = X_Reply;

-    reply.sequenceNumber = client->sequence;

-    reply.retval = retval;

-    reply.size = nitems;

-    reply.newMode = newMode;

-    WriteToClient(client, sz_xGLXRenderModeReply, (char *)&reply);

-    if (retBytes) {

-	WriteToClient(client, retBytes, (char *)retBuffer);

-    }

-    return Success;

-}

-

-int __glXDisp_Flush(__GLXclientState *cl, GLbyte *pc)

-{

-	__GLXcontext *cx;

-	int error;

-

-	cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

-	if (!cx) {

-		return error;

-	}

-

-	CALL_Flush( GET_DISPATCH(), () );

-	cx->hasUnflushedCommands = GL_FALSE;

-	return Success;

-}

-

-int __glXDisp_Finish(__GLXclientState *cl, GLbyte *pc)

-{

-    __GLXcontext *cx;

-    ClientPtr client;

-    int error;

-

-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

-    if (!cx) {

-	return error;

-    }

-

-    /* Do a local glFinish */

-    CALL_Finish( GET_DISPATCH(), () );

-    cx->hasUnflushedCommands = GL_FALSE;

-

-    /* Send empty reply packet to indicate finish is finished */

-    client = cl->client;

-    __GLX_BEGIN_REPLY(0);

-    __GLX_SEND_HEADER();

-    return Success;

-}

-

-#define SEPARATOR " "

-

-char *__glXcombine_strings(const char *cext_string, const char *sext_string)

-{

-   size_t clen, slen;

-   char *combo_string, *token, *s1;

-   const char *s2, *end;

-

-   /* safeguard to prevent potentially fatal errors in the string functions */

-   if (!cext_string)

-      cext_string = "";

-   if (!sext_string)

-      sext_string = "";

-

-   /*

-   ** String can't be longer than min(cstring, sstring)

-   ** pull tokens out of shortest string

-   ** include space in combo_string for final separator and null terminator

-   */

-   clen = strlen(cext_string);

-   slen = strlen(sext_string);

-   if (clen > slen) {

-	combo_string = (char *) malloc(slen + 2);

-	s1 = (char *) malloc(slen + 2);

-	if (s1) strcpy(s1, sext_string);

-	s2 = cext_string;

-   } else {

-	combo_string = (char *) malloc(clen + 2);

-	s1 = (char *) malloc(clen + 2);

-	if (s1) strcpy(s1, cext_string);

-	s2 = sext_string;

-   }

-   if (!combo_string || !s1) {

-	free(combo_string);

-	free(s1);

-	return NULL;

-   }

-   combo_string[0] = '\0';

-

-   /* Get first extension token */

-   token = strtok( s1, SEPARATOR);

-   while ( token != NULL ) {

-

-	/*

-	** if token in second string then save it

-	** beware of extension names which are prefixes of other extension names

-	*/

-	const char *p = s2;

-	end = p + strlen(p);

-	while (p < end) {

-	    size_t n = strcspn(p, SEPARATOR);

-	    if ((strlen(token) == n) && (strncmp(token, p, n) == 0)) {

-		combo_string = strcat(combo_string, token);

-		combo_string = strcat(combo_string, SEPARATOR);

-	    }

-	    p += (n + 1);

-	}

-

-	/* Get next extension token */

-	token = strtok( NULL, SEPARATOR);

-   }

-   free(s1);

-   return combo_string;

-}

-

-int DoGetString(__GLXclientState *cl, GLbyte *pc, GLboolean need_swap)

-{

-    ClientPtr client;

-    __GLXcontext *cx;

-    GLenum name;

-    const char *string;

-    __GLX_DECLARE_SWAP_VARIABLES;

-    int error;

-    char *buf = NULL, *buf1 = NULL;

-    GLint length = 0;

-

-    /* If the client has the opposite byte order, swap the contextTag and

-     * the name.

-     */

-    if ( need_swap ) {

-	__GLX_SWAP_INT(pc + 4);

-	__GLX_SWAP_INT(pc + __GLX_SINGLE_HDR_SIZE);

-    }

-

-    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);

-    if (!cx) {

-	return error;

-    }

-

-    pc += __GLX_SINGLE_HDR_SIZE;

-    name = *(GLenum *)(pc + 0);

-    string = (const char *) CALL_GetString( GET_DISPATCH(), (name) );

-    client = cl->client;

-

-    if (string == NULL)

-      string = "";

-

-    /*

-    ** Restrict extensions to those that are supported by both the

-    ** implementation and the connection.  That is, return the

-    ** intersection of client, server, and core extension strings.

-    */

-    if (name == GL_EXTENSIONS) {

-	buf1 = __glXcombine_strings(string,

-				      cl->GLClientextensions);

-	buf = __glXcombine_strings(buf1,

-				      cx->pGlxScreen->GLextensions);

-	free(buf1);

-	string = buf;

-    }

-    else if ( name == GL_VERSION ) {

-	if ( atof( string ) > atof( GLServerVersion ) ) {

-	    buf = malloc( strlen( string ) + strlen( GLServerVersion ) + 4 );

-	    if ( buf == NULL ) {

-		string = GLServerVersion;

-	    }

-	    else {

-		sprintf( buf, "%s (%s)", GLServerVersion, string );

-		string = buf;

-	    }

-	}

-    }

-    if (string) {

-	length = strlen((const char *) string) + 1;

-    }

-

-    __GLX_BEGIN_REPLY(length);

-    __GLX_PUT_SIZE(length);

-

-    if ( need_swap ) {

-	__GLX_SWAP_REPLY_SIZE();

-	__GLX_SWAP_REPLY_HEADER();

-    }

-

-    __GLX_SEND_HEADER();

-    WriteToClient(client, length, (char *) string); 

-    free(buf);

-

-    return Success;

-}

-

-int __glXDisp_GetString(__GLXclientState *cl, GLbyte *pc)

-{

-    return DoGetString(cl, pc, GL_FALSE);

-}

+/*
+ * 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.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "glxserver.h"
+#include "glxutil.h"
+#include "glxext.h"
+#include "indirect_dispatch.h"
+#include "unpack.h"
+#include "glapitable.h"
+#include "glapi.h"
+#include "glthread.h"
+#include "dispatch.h"
+
+int __glXDisp_FeedbackBuffer(__GLXclientState *cl, GLbyte *pc)
+{
+    GLsizei size;
+    GLenum type;
+    __GLXcontext *cx;
+    int error;
+
+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    pc += __GLX_SINGLE_HDR_SIZE;
+    size = *(GLsizei *)(pc+0);
+    type = *(GLenum *)(pc+4);
+    if (cx->feedbackBufSize < size) {
+	cx->feedbackBuf = (GLfloat *) realloc(cx->feedbackBuf,
+						   (size_t)size 
+						   * __GLX_SIZE_FLOAT32);
+	if (!cx->feedbackBuf) {
+	    cl->client->errorValue = size;
+	    return BadAlloc;
+	}
+	cx->feedbackBufSize = size;
+    }
+    CALL_FeedbackBuffer( GET_DISPATCH(), (size, type, cx->feedbackBuf) );
+    cx->hasUnflushedCommands = GL_TRUE;
+    return Success;
+}
+
+int __glXDisp_SelectBuffer(__GLXclientState *cl, GLbyte *pc)
+{
+    __GLXcontext *cx;
+    GLsizei size;
+    int error;
+
+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    pc += __GLX_SINGLE_HDR_SIZE;
+    size = *(GLsizei *)(pc+0);
+    if (cx->selectBufSize < size) {
+	cx->selectBuf = (GLuint *) realloc(cx->selectBuf,
+						(size_t) size 
+						* __GLX_SIZE_CARD32);
+	if (!cx->selectBuf) {
+	    cl->client->errorValue = size;
+	    return BadAlloc;
+	}
+	cx->selectBufSize = size;
+    }
+    CALL_SelectBuffer( GET_DISPATCH(), (size, cx->selectBuf) );
+    cx->hasUnflushedCommands = GL_TRUE;
+    return Success;
+}
+
+int __glXDisp_RenderMode(__GLXclientState *cl, GLbyte *pc)
+{
+    ClientPtr client;
+    xGLXRenderModeReply reply;
+    __GLXcontext *cx;
+    GLint nitems=0, retBytes=0, retval, newModeCheck;
+    GLubyte *retBuffer = NULL;
+    GLenum newMode;
+    int error;
+
+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    pc += __GLX_SINGLE_HDR_SIZE;
+    newMode = *(GLenum*) pc;
+    retval = CALL_RenderMode( GET_DISPATCH(), (newMode) );
+
+    /* Check that render mode worked */
+    CALL_GetIntegerv( GET_DISPATCH(), (GL_RENDER_MODE, &newModeCheck) );
+    if (newModeCheck != newMode) {
+	/* Render mode change failed.  Bail */
+	newMode = newModeCheck;
+	goto noChangeAllowed;
+    }
+
+    /*
+    ** Render mode might have still failed if we get here.  But in this
+    ** case we can't really tell, nor does it matter.  If it did fail, it
+    ** will return 0, and thus we won't send any data across the wire.
+    */
+
+    switch (cx->renderMode) {
+      case GL_RENDER:
+	cx->renderMode = newMode;
+	break;
+      case GL_FEEDBACK:
+	if (retval < 0) {
+	    /* Overflow happened. Copy the entire buffer */
+	    nitems = cx->feedbackBufSize;
+	} else {
+	    nitems = retval;
+	}
+	retBytes = nitems * __GLX_SIZE_FLOAT32;
+	retBuffer = (GLubyte*) cx->feedbackBuf;
+	cx->renderMode = newMode;
+	break;
+      case GL_SELECT:
+	if (retval < 0) {
+	    /* Overflow happened.  Copy the entire buffer */
+	    nitems = cx->selectBufSize;
+	} else {
+	    GLuint *bp = cx->selectBuf;
+	    GLint i;
+
+	    /*
+	    ** Figure out how many bytes of data need to be sent.  Parse
+	    ** the selection buffer to determine this fact as the
+	    ** return value is the number of hits, not the number of
+	    ** items in the buffer.
+	    */
+	    nitems = 0;
+	    i = retval;
+	    while (--i >= 0) {
+		GLuint n;
+
+		/* Parse select data for this hit */
+		n = *bp;
+		bp += 3 + n;
+	    }
+	    nitems = bp - cx->selectBuf;
+	}
+	retBytes = nitems * __GLX_SIZE_CARD32;
+	retBuffer = (GLubyte*) cx->selectBuf;
+	cx->renderMode = newMode;
+	break;
+    }
+
+    /*
+    ** First reply is the number of elements returned in the feedback or
+    ** selection array, as per the API for glRenderMode itself.
+    */
+  noChangeAllowed:;
+    client = cl->client;
+    reply.length = nitems;
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.retval = retval;
+    reply.size = nitems;
+    reply.newMode = newMode;
+    WriteToClient(client, sz_xGLXRenderModeReply, (char *)&reply);
+    if (retBytes) {
+	WriteToClient(client, retBytes, (char *)retBuffer);
+    }
+    return Success;
+}
+
+int __glXDisp_Flush(__GLXclientState *cl, GLbyte *pc)
+{
+	__GLXcontext *cx;
+	int error;
+
+	cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+	if (!cx) {
+		return error;
+	}
+
+	CALL_Flush( GET_DISPATCH(), () );
+	cx->hasUnflushedCommands = GL_FALSE;
+	return Success;
+}
+
+int __glXDisp_Finish(__GLXclientState *cl, GLbyte *pc)
+{
+    __GLXcontext *cx;
+    ClientPtr client;
+    int error;
+
+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    /* Do a local glFinish */
+    CALL_Finish( GET_DISPATCH(), () );
+    cx->hasUnflushedCommands = GL_FALSE;
+
+    /* Send empty reply packet to indicate finish is finished */
+    client = cl->client;
+    __GLX_BEGIN_REPLY(0);
+    __GLX_SEND_HEADER();
+    return Success;
+}
+
+#define SEPARATOR " "
+
+char *__glXcombine_strings(const char *cext_string, const char *sext_string)
+{
+   size_t clen, slen;
+   char *combo_string, *token, *s1;
+   const char *s2, *end;
+
+   /* safeguard to prevent potentially fatal errors in the string functions */
+   if (!cext_string)
+      cext_string = "";
+   if (!sext_string)
+      sext_string = "";
+
+   /*
+   ** String can't be longer than min(cstring, sstring)
+   ** pull tokens out of shortest string
+   ** include space in combo_string for final separator and null terminator
+   */
+   clen = strlen(cext_string);
+   slen = strlen(sext_string);
+   if (clen > slen) {
+	combo_string = (char *) malloc(slen + 2);
+	s1 = (char *) malloc(slen + 2);
+	if (s1) strcpy(s1, sext_string);
+	s2 = cext_string;
+   } else {
+	combo_string = (char *) malloc(clen + 2);
+	s1 = (char *) malloc(clen + 2);
+	if (s1) strcpy(s1, cext_string);
+	s2 = sext_string;
+   }
+   if (!combo_string || !s1) {
+	free(combo_string);
+	free(s1);
+	return NULL;
+   }
+   combo_string[0] = '\0';
+
+   /* Get first extension token */
+   token = strtok( s1, SEPARATOR);
+   while ( token != NULL ) {
+
+	/*
+	** if token in second string then save it
+	** beware of extension names which are prefixes of other extension names
+	*/
+	const char *p = s2;
+	end = p + strlen(p);
+	while (p < end) {
+	    size_t n = strcspn(p, SEPARATOR);
+	    if ((strlen(token) == n) && (strncmp(token, p, n) == 0)) {
+		combo_string = strcat(combo_string, token);
+		combo_string = strcat(combo_string, SEPARATOR);
+	    }
+	    p += (n + 1);
+	}
+
+	/* Get next extension token */
+	token = strtok( NULL, SEPARATOR);
+   }
+   free(s1);
+   return combo_string;
+}
+
+int DoGetString(__GLXclientState *cl, GLbyte *pc, GLboolean need_swap)
+{
+    ClientPtr client;
+    __GLXcontext *cx;
+    GLenum name;
+    const char *string;
+    __GLX_DECLARE_SWAP_VARIABLES;
+    int error;
+    char *buf = NULL, *buf1 = NULL;
+    GLint length = 0;
+
+    /* If the client has the opposite byte order, swap the contextTag and
+     * the name.
+     */
+    if ( need_swap ) {
+	__GLX_SWAP_INT(pc + 4);
+	__GLX_SWAP_INT(pc + __GLX_SINGLE_HDR_SIZE);
+    }
+
+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    pc += __GLX_SINGLE_HDR_SIZE;
+    name = *(GLenum *)(pc + 0);
+    string = (const char *) CALL_GetString( GET_DISPATCH(), (name) );
+    client = cl->client;
+
+    if (string == NULL)
+      string = "";
+
+    /*
+    ** Restrict extensions to those that are supported by both the
+    ** implementation and the connection.  That is, return the
+    ** intersection of client, server, and core extension strings.
+    */
+    if (name == GL_EXTENSIONS) {
+	buf1 = __glXcombine_strings(string,
+				      cl->GLClientextensions);
+	buf = __glXcombine_strings(buf1,
+				      cx->pGlxScreen->GLextensions);
+	free(buf1);
+	string = buf;
+    }
+    else if ( name == GL_VERSION ) {
+	if ( atof( string ) > atof( GLServerVersion ) ) {
+	    if ( asprintf( &buf, "%s (%s)", GLServerVersion, string ) == -1) {
+		string = GLServerVersion;
+	    }
+	    else {
+		string = buf;
+	    }
+	}
+    }
+    if (string) {
+	length = strlen((const char *) string) + 1;
+    }
+
+    __GLX_BEGIN_REPLY(length);
+    __GLX_PUT_SIZE(length);
+
+    if ( need_swap ) {
+	__GLX_SWAP_REPLY_SIZE();
+	__GLX_SWAP_REPLY_HEADER();
+    }
+
+    __GLX_SEND_HEADER();
+    WriteToClient(client, length, (char *) string); 
+    free(buf);
+
+    return Success;
+}
+
+int __glXDisp_GetString(__GLXclientState *cl, GLbyte *pc)
+{
+    return DoGetString(cl, pc, GL_FALSE);
+}