xserver pixman mesa git update 7 nov 2011

15 files changed, 440 insertions, 601 deletions

diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.c b/mesalib/src/mesa/drivers/dri/common/dri_util.c
index da4e39f9c..1640c1448 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.c
@@ -15,12 +15,7 @@
  */
 
 
-#include <assert.h>
-#include <stdarg.h>
-#include <stdio.h>
-
-#include "main/imports.h"
-
+#include <xf86drm.h>
 #include "dri_util.h"
 #include "utils.h"
 #include "xmlpool.h"
@@ -35,18 +30,230 @@ PUBLIC const char __dri2ConfigOptions[] =
 
 static const uint __dri2NConfigOptions = 1;
 
-#ifndef GLX_OML_sync_control
-typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator);
-#endif
+/*****************************************************************/
+/** \name Screen handling functions                              */
+/*****************************************************************/
+/*@{*/
+
+static void
+setupLoaderExtensions(__DRIscreen *psp,
+		      const __DRIextension **extensions)
+{
+    int i;
+
+    for (i = 0; extensions[i]; i++) {
+	if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0)
+	    psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i];
+	if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0)
+	    psp->dri2.image = (__DRIimageLookupExtension *) extensions[i];
+	if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0)
+	    psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i];
+    }
+}
+
+static __DRIscreen *
+dri2CreateNewScreen(int scrn, int fd,
+		    const __DRIextension **extensions,
+		    const __DRIconfig ***driver_configs, void *data)
+{
+    static const __DRIextension *emptyExtensionList[] = { NULL };
+    __DRIscreen *psp;
+    drmVersionPtr version;
+
+    psp = calloc(1, sizeof(*psp));
+    if (!psp)
+	return NULL;
+
+    setupLoaderExtensions(psp, extensions);
+
+    version = drmGetVersion(fd);
+    if (version) {
+	psp->drm_version.major = version->version_major;
+	psp->drm_version.minor = version->version_minor;
+	psp->drm_version.patch = version->version_patchlevel;
+	drmFreeVersion(version);
+    }
+
+    psp->loaderPrivate = data;
+
+    psp->extensions = emptyExtensionList;
+    psp->fd = fd;
+    psp->myNum = scrn;
+
+    psp->api_mask = (1 << __DRI_API_OPENGL);
+
+    *driver_configs = driDriverAPI.InitScreen(psp);
+    if (*driver_configs == NULL) {
+	free(psp);
+	return NULL;
+    }
+
+    driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions, __dri2NConfigOptions);
+    driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum, "dri2");
+
+    return psp;
+}
+
+/**
+ * Destroy the per-screen private information.
+ * 
+ * \internal
+ * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
+ * drmClose(), and finally frees \p screenPrivate.
+ */
+static void driDestroyScreen(__DRIscreen *psp)
+{
+    if (psp) {
+	/* No interaction with the X-server is possible at this point.  This
+	 * routine is called after XCloseDisplay, so there is no protocol
+	 * stream open to the X-server anymore.
+	 */
+
+       _mesa_destroy_shader_compiler();
+
+	driDriverAPI.DestroyScreen(psp);
+
+	driDestroyOptionCache(&psp->optionCache);
+	driDestroyOptionInfo(&psp->optionInfo);
+
+	free(psp);
+    }
+}
+
+static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+{
+    return psp->extensions;
+}
+
+/*@}*/
+
+
+/*****************************************************************/
+/** \name Context handling functions                             */
+/*****************************************************************/
+/*@{*/
+
+static __DRIcontext *
+dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
+			   const __DRIconfig *config,
+			   __DRIcontext *shared, void *data)
+{
+    __DRIcontext *context;
+    const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
+    void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
+    gl_api mesa_api;
+
+    if (!(screen->api_mask & (1 << api)))
+	return NULL;
+
+    switch (api) {
+    case __DRI_API_OPENGL:
+	    mesa_api = API_OPENGL;
+	    break;
+    case __DRI_API_GLES:
+	    mesa_api = API_OPENGLES;
+	    break;
+    case __DRI_API_GLES2:
+	    mesa_api = API_OPENGLES2;
+	    break;
+    default:
+	    return NULL;
+    }
+
+    context = malloc(sizeof *context);
+    if (!context)
+	return NULL;
+
+    context->loaderPrivate = data;
+
+    context->driScreenPriv = screen;
+    context->driDrawablePriv = NULL;
+    context->driReadablePriv = NULL;
+
+    if (!driDriverAPI.CreateContext(mesa_api, modes, context, shareCtx) ) {
+        free(context);
+        return NULL;
+    }
+
+    return context;
+}
+
+
+static __DRIcontext *
+dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
+		      __DRIcontext *shared, void *data)
+{
+    return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
+				      config, shared, data);
+}
+
+/**
+ * Destroy the per-context private information.
+ * 
+ * \internal
+ * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
+ * drmDestroyContext(), and finally frees \p contextPrivate.
+ */
+static void
+driDestroyContext(__DRIcontext *pcp)
+{
+    if (pcp) {
+	driDriverAPI.DestroyContext(pcp);
+	free(pcp);
+    }
+}
+
+static int
+driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
+{
+    (void) dest;
+    (void) src;
+    (void) mask;
+    return GL_FALSE;
+}
+
+/*@}*/
 
-static void dri_get_drawable(__DRIdrawable *pdp);
-static void dri_put_drawable(__DRIdrawable *pdp);
 
 /*****************************************************************/
 /** \name Context (un)binding functions                          */
 /*****************************************************************/
 /*@{*/
 
+static void dri_get_drawable(__DRIdrawable *pdp);
+static void dri_put_drawable(__DRIdrawable *pdp);
+
+/**
+ * This function takes both a read buffer and a draw buffer.  This is needed
+ * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
+ * function.
+ */
+static int driBindContext(__DRIcontext *pcp,
+			  __DRIdrawable *pdp,
+			  __DRIdrawable *prp)
+{
+    /*
+    ** Assume error checking is done properly in glXMakeCurrent before
+    ** calling driUnbindContext.
+    */
+
+    if (!pcp)
+	return GL_FALSE;
+
+    /* Bind the drawable to the context */
+    pcp->driDrawablePriv = pdp;
+    pcp->driReadablePriv = prp;
+    if (pdp) {
+	pdp->driContextPriv = pcp;
+	dri_get_drawable(pdp);
+    }
+    if (prp && pdp != prp) {
+	dri_get_drawable(prp);
+    }
+
+    return driDriverAPI.MakeCurrent(pcp, pdp, prp);
+}
+
 /**
  * Unbind context.
  * 
@@ -65,7 +272,6 @@ static void dri_put_drawable(__DRIdrawable *pdp);
  */
 static int driUnbindContext(__DRIcontext *pcp)
 {
-    __DRIscreen *psp;
     __DRIdrawable *pdp;
     __DRIdrawable *prp;
 
@@ -75,17 +281,16 @@ static int driUnbindContext(__DRIcontext *pcp)
     */
 
     if (pcp == NULL)
-        return GL_FALSE;
+	return GL_FALSE;
 
-    psp = pcp->driScreenPriv;
     pdp = pcp->driDrawablePriv;
     prp = pcp->driReadablePriv;
 
     /* already unbound */
     if (!pdp && !prp)
-      return GL_TRUE;
-    /* Let driver unbind drawable from context */
-    (*psp->DriverAPI.UnbindContext)(pcp);
+	return GL_TRUE;
+
+    driDriverAPI.UnbindContext(pcp);
 
     assert(pdp);
     if (pdp->refcount == 0) {
@@ -96,63 +301,48 @@ static int driUnbindContext(__DRIcontext *pcp)
     dri_put_drawable(pdp);
 
     if (prp != pdp) {
-        if (prp->refcount == 0) {
+	if (prp->refcount == 0) {
 	    /* ERROR!!! */
 	    return GL_FALSE;
 	}
 
-    	dri_put_drawable(prp);
+	dri_put_drawable(prp);
     }
 
-
     /* XXX this is disabled so that if we call SwapBuffers on an unbound
      * window we can determine the last context bound to the window and
      * use that context's lock. (BrianP, 2-Dec-2000)
      */
-    pcp->driDrawablePriv = pcp->driReadablePriv = NULL;
+    pcp->driDrawablePriv = NULL;
+    pcp->driReadablePriv = NULL;
 
     return GL_TRUE;
 }
 
-/**
- * This function takes both a read buffer and a draw buffer.  This is needed
- * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
- * function.
- */
-static int driBindContext(__DRIcontext *pcp,
-			  __DRIdrawable *pdp,
-			  __DRIdrawable *prp)
-{
-    __DRIscreen *psp = NULL;
+/*@}*/
 
-    /*
-    ** Assume error checking is done properly in glXMakeCurrent before
-    ** calling driUnbindContext.
-    */
 
-    if (!pcp)
-	return GL_FALSE;
+static void dri_get_drawable(__DRIdrawable *pdp)
+{
+    pdp->refcount++;
+}
 
-    /* Bind the drawable to the context */
-    psp = pcp->driScreenPriv;
-    pcp->driDrawablePriv = pdp;
-    pcp->driReadablePriv = prp;
+static void dri_put_drawable(__DRIdrawable *pdp)
+{
     if (pdp) {
-	pdp->driContextPriv = pcp;
-	dri_get_drawable(pdp);
-    }
-    if (prp && pdp != prp) {
-	dri_get_drawable(prp);
-    }
+	pdp->refcount--;
+	if (pdp->refcount)
+	    return;
 
-    /* Call device-specific MakeCurrent */
-    return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp);
+	driDriverAPI.DestroyBuffer(pdp);
+	free(pdp);
+    }
 }
 
 static __DRIdrawable *
 dri2CreateNewDrawable(__DRIscreen *screen,
 		      const __DRIconfig *config,
-		      void *loaderPrivate)
+		      void *data)
 {
     __DRIdrawable *pdraw;
 
@@ -160,15 +350,18 @@ dri2CreateNewDrawable(__DRIscreen *screen,
     if (!pdraw)
 	return NULL;
 
+    pdraw->loaderPrivate = data;
+
+    pdraw->driScreenPriv = screen;
     pdraw->driContextPriv = NULL;
-    pdraw->loaderPrivate = loaderPrivate;
-    pdraw->refcount = 1;
+    pdraw->refcount = 0;
     pdraw->lastStamp = 0;
     pdraw->w = 0;
     pdraw->h = 0;
-    pdraw->driScreenPriv = screen;
 
-    if (!(*screen->DriverAPI.CreateBuffer)(screen, pdraw, &config->modes, 0)) {
+    dri_get_drawable(pdraw);
+
+    if (!driDriverAPI.CreateBuffer(screen, pdraw, &config->modes, GL_FALSE)) {
        free(pdraw);
        return NULL;
     }
@@ -178,19 +371,25 @@ dri2CreateNewDrawable(__DRIscreen *screen,
     return pdraw;
 }
 
+static void
+driDestroyDrawable(__DRIdrawable *pdp)
+{
+    dri_put_drawable(pdp);
+}
+
 static __DRIbuffer *
 dri2AllocateBuffer(__DRIscreen *screen,
 		   unsigned int attachment, unsigned int format,
 		   int width, int height)
 {
-    return (*screen->DriverAPI.AllocateBuffer)(screen, attachment, format,
-					       width, height);
+    return driDriverAPI.AllocateBuffer(screen, attachment, format,
+				       width, height);
 }
 
 static void
 dri2ReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
 {
-   (*screen->DriverAPI.ReleaseBuffer)(screen, buffer);
+    driDriverAPI.ReleaseBuffer(screen, buffer);
 }
 
 
@@ -228,232 +427,12 @@ dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val)
     return 0;
 }
 
-
-static void dri_get_drawable(__DRIdrawable *pdp)
-{
-    pdp->refcount++;
-}
-	
-static void dri_put_drawable(__DRIdrawable *pdp)
-{
-    __DRIscreen *psp;
-
-    if (pdp) {
-	pdp->refcount--;
-	if (pdp->refcount)
-	    return;
-
-	psp = pdp->driScreenPriv;
-        (*psp->DriverAPI.DestroyBuffer)(pdp);
-	free(pdp);
-    }
-}
-
-static void
-driDestroyDrawable(__DRIdrawable *pdp)
-{
-    dri_put_drawable(pdp);
-}
-
-/*@}*/
-
-
-/*****************************************************************/
-/** \name Context handling functions                             */
-/*****************************************************************/
-/*@{*/
-
-/**
- * Destroy the per-context private information.
- * 
- * \internal
- * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
- * drmDestroyContext(), and finally frees \p contextPrivate.
- */
-static void
-driDestroyContext(__DRIcontext *pcp)
-{
-    if (pcp) {
-	(*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp);
-	free(pcp);
-    }
-}
-
 static unsigned int
 dri2GetAPIMask(__DRIscreen *screen)
 {
     return screen->api_mask;
 }
 
-static __DRIcontext *
-dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
-			   const __DRIconfig *config,
-			   __DRIcontext *shared, void *data)
-{
-    __DRIcontext *context;
-    const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
-    void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
-    gl_api mesa_api;
-
-    if (!(screen->api_mask & (1 << api)))
-	return NULL;
-
-    switch (api) {
-    case __DRI_API_OPENGL:
-	    mesa_api = API_OPENGL;
-	    break;
-    case __DRI_API_GLES:
-	    mesa_api = API_OPENGLES;
-	    break;
-    case __DRI_API_GLES2:
-	    mesa_api = API_OPENGLES2;
-	    break;
-    default:
-	    return NULL;
-    }
-
-    context = malloc(sizeof *context);
-    if (!context)
-	return NULL;
-
-    context->driScreenPriv = screen;
-    context->driDrawablePriv = NULL;
-    context->loaderPrivate = data;
-    
-    if (!(*screen->DriverAPI.CreateContext)(mesa_api, modes,
-					    context, shareCtx) ) {
-        free(context);
-        return NULL;
-    }
-
-    return context;
-}
-
-
-static __DRIcontext *
-dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
-		      __DRIcontext *shared, void *data)
-{
-   return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
-				     config, shared, data);
-}
-
-static int
-driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
-{
-    (void) dest;
-    (void) src;
-    (void) mask;
-    return GL_FALSE;
-}
-
-/*@}*/
-
-
-/*****************************************************************/
-/** \name Screen handling functions                              */
-/*****************************************************************/
-/*@{*/
-
-/**
- * Destroy the per-screen private information.
- * 
- * \internal
- * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
- * drmClose(), and finally frees \p screenPrivate.
- */
-static void driDestroyScreen(__DRIscreen *psp)
-{
-    if (psp) {
-	/* No interaction with the X-server is possible at this point.  This
-	 * routine is called after XCloseDisplay, so there is no protocol
-	 * stream open to the X-server anymore.
-	 */
-
-       _mesa_destroy_shader_compiler();
-
-	if (psp->DriverAPI.DestroyScreen)
-	    (*psp->DriverAPI.DestroyScreen)(psp);
-
-	driDestroyOptionCache(&psp->optionCache);
-	driDestroyOptionInfo(&psp->optionInfo);
-
-	free(psp);
-    }
-}
-
-static void
-setupLoaderExtensions(__DRIscreen *psp,
-		      const __DRIextension **extensions)
-{
-    int i;
-
-    for (i = 0; extensions[i]; i++) {
-	if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0)
-	    psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i];
-	if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0)
-	    psp->dri2.image = (__DRIimageLookupExtension *) extensions[i];
-	if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0)
-	    psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i];
-    }
-}
-
-/**
- * DRI2
- */
-static __DRIscreen *
-dri2CreateNewScreen(int scrn, int fd,
-		    const __DRIextension **extensions,
-		    const __DRIconfig ***driver_configs, void *data)
-{
-    static const __DRIextension *emptyExtensionList[] = { NULL };
-    __DRIscreen *psp;
-    drmVersionPtr version;
-
-    if (driDriverAPI.InitScreen2 == NULL)
-        return NULL;
-
-    psp = calloc(1, sizeof(*psp));
-    if (!psp)
-	return NULL;
-
-    setupLoaderExtensions(psp, extensions);
-
-    version = drmGetVersion(fd);
-    if (version) {
-	psp->drm_version.major = version->version_major;
-	psp->drm_version.minor = version->version_minor;
-	psp->drm_version.patch = version->version_patchlevel;
-	drmFreeVersion(version);
-    }
-
-    psp->extensions = emptyExtensionList;
-    psp->fd = fd;
-    psp->myNum = scrn;
-
-    psp->DriverAPI = driDriverAPI;
-    psp->api_mask = (1 << __DRI_API_OPENGL);
-    *driver_configs = driDriverAPI.InitScreen2(psp);
-    if (*driver_configs == NULL) {
-	free(psp);
-	return NULL;
-    }
-
-    psp->DriverAPI = driDriverAPI;
-    psp->loaderPrivate = data;
-
-    driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions,
-		       __dri2NConfigOptions);
-    driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum,
-			"dri2");
-
-    return psp;
-}
-
-static const __DRIextension **driGetExtensions(__DRIscreen *psp)
-{
-    return psp->extensions;
-}
 
 /** Core interface */
 const __DRIcoreExtension driCoreExtension = {
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.h b/mesalib/src/mesa/drivers/dri/common/dri_util.h
index 7a3b0a9b2..bebb021f6 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.h
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.h
@@ -44,24 +44,25 @@
  * \author Brian Paul <brian@precisioninsight.com>
  */
 
+/**
+ * The following structs are shared between DRISW and DRI2, the DRISW structs
+ * are essentially base classes of the DRI2 structs. DRISW needs to compile on
+ * platforms without DRM, so keep the structs opaque to DRM.
+ */
+
 #ifndef _DRI_UTIL_H_
 #define _DRI_UTIL_H_
 
 #include <GL/gl.h>
-#include <drm.h>
-#include <drm_sarea.h>
-#include <xf86drm.h>
-#include "xmlconfig.h"
-#include "main/glheader.h"
+#include <GL/internal/dri_interface.h>
 #include "main/mtypes.h"
-#include "GL/internal/dri_interface.h"
-
-#define GLX_BAD_CONTEXT                    5
+#include "xmlconfig.h"
 
 /**
  * Extensions.
  */
 extern const __DRIcoreExtension driCoreExtension;
+extern const __DRIswrastExtension driSWRastExtension;
 extern const __DRIdri2Extension driDRI2Extension;
 extern const __DRI2configQueryExtension dri2ConfigQueryExtension;
 
@@ -76,56 +77,37 @@ extern const __DRI2configQueryExtension dri2ConfigQueryExtension;
  * this structure.
  */
 struct __DriverAPIRec {
-    /**
-     * Screen destruction callback
-     */
+    const __DRIconfig **(*InitScreen) (__DRIscreen * priv);
+
     void (*DestroyScreen)(__DRIscreen *driScrnPriv);
 
-    /**
-     * Context creation callback
-     */	    	    
     GLboolean (*CreateContext)(gl_api api,
-			       const struct gl_config *glVis,
-			       __DRIcontext *driContextPriv,
+                               const struct gl_config *glVis,
+                               __DRIcontext *driContextPriv,
                                void *sharedContextPrivate);
 
-    /**
-     * Context destruction callback
-     */
     void (*DestroyContext)(__DRIcontext *driContextPriv);
 
-    /**
-     * Buffer (drawable) creation callback
-     */
     GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv,
                               __DRIdrawable *driDrawPriv,
                               const struct gl_config *glVis,
                               GLboolean pixmapBuffer);
-    
-    /**
-     * Buffer (drawable) destruction callback
-     */
+
     void (*DestroyBuffer)(__DRIdrawable *driDrawPriv);
 
-    /**
-     * Context activation callback
-     */
+    void (*SwapBuffers)(__DRIdrawable *driDrawPriv);
+
     GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv,
                              __DRIdrawable *driDrawPriv,
                              __DRIdrawable *driReadPriv);
 
-    /**
-     * Context unbinding callback
-     */
     GLboolean (*UnbindContext)(__DRIcontext *driContextPriv);
 
-    /* DRI2 Entry point */
-    const __DRIconfig **(*InitScreen2) (__DRIscreen * priv);
-
     __DRIbuffer *(*AllocateBuffer) (__DRIscreen *screenPrivate,
-				    unsigned int attachment,
-				    unsigned int format,
-				    int width, int height);
+                                    unsigned int attachment,
+                                    unsigned int format,
+                                    int width, int height);
+
     void (*ReleaseBuffer) (__DRIscreen *screenPrivate, __DRIbuffer *buffer);
 };
 
@@ -133,59 +115,54 @@ extern const struct __DriverAPIRec driDriverAPI;
 
 
 /**
- * Per-drawable private DRI driver information.
+ * Per-screen private driver information.
  */
-struct __DRIdrawableRec {
+struct __DRIscreenRec {
     /**
-     * Driver's private drawable information.  
-     *
-     * This structure is opaque.
+     * Current screen's number
      */
-    void *driverPrivate;
+    int myNum;
 
     /**
-     * Private data from the loader.  We just hold on to it and pass
-     * it back when calling into loader provided functions.
+     * File descriptor returned when the kernel device driver is opened.
+     * 
+     * Used to:
+     *   - authenticate client to kernel
+     *   - map the frame buffer, SAREA, etc.
+     *   - close the kernel device driver
      */
-    void *loaderPrivate;
+    int fd;
 
     /**
-     * Reference count for number of context's currently bound to this
-     * drawable.  
-     *
-     * Once it reaches zero, the drawable can be destroyed.
-     *
-     * \note This behavior will change with GLX 1.3.
+     * DRM (kernel module) version information.
      */
-    int refcount;
+    __DRIversion drm_version;
 
     /**
-     * Last value of the stamp.
-     *
-     * If this differs from the value stored at __DRIdrawable::dri2.stamp,
-     * then the drawable information has been modified by the X server, and the
-     * drawable information (below) should be retrieved from the X server.
+     * Device-dependent private information (not stored in the SAREA).
+     * 
+     * This pointer is never touched by the DRI layer.
      */
-    unsigned int lastStamp;
+    void *driverPrivate;
 
-    int w, h;
+    void *loaderPrivate;
 
-    /**
-     * Pointer to context to which this drawable is currently bound.
-     */
-    __DRIcontext *driContextPriv;
+    const __DRIextension **extensions;
 
-    /**
-     * Pointer to screen on which this drawable was created.
-     */
-    __DRIscreen *driScreenPriv;
+    const __DRIswrastLoaderExtension *swrast_loader;
 
-    /**
-     * Drawable timestamp.  Increased when the loader calls invalidate.
-     */
     struct {
-	unsigned int stamp;
+	/* Flag to indicate that this is a DRI2 screen.  Many of the above
+	 * fields will not be valid or initializaed in that case. */
+	__DRIdri2LoaderExtension *loader;
+	__DRIimageLookupExtension *image;
+	__DRIuseInvalidateExtension *useInvalidate;
     } dri2;
+
+    driOptionCache optionInfo;
+    driOptionCache optionCache;
+
+    unsigned int api_mask;
 };
 
 /**
@@ -198,6 +175,11 @@ struct __DRIcontextRec {
     void *driverPrivate;
 
     /**
+     * The loaders's private context data.  This structure is opaque.
+     */
+    void *loaderPrivate;
+
+    /**
      * Pointer to drawable currently bound to this context for drawing.
      */
     __DRIdrawable *driDrawablePriv;
@@ -212,11 +194,6 @@ struct __DRIcontextRec {
      */
     __DRIscreen *driScreenPriv;
 
-    /**
-     * The loaders's private context data.  This structure is opaque.
-     */
-    void *loaderPrivate;
-
     struct {
 	int draw_stamp;
 	int read_stamp;
@@ -224,59 +201,59 @@ struct __DRIcontextRec {
 };
 
 /**
- * Per-screen private driver information.
+ * Per-drawable private DRI driver information.
  */
-struct __DRIscreenRec {
+struct __DRIdrawableRec {
     /**
-     * Current screen's number
+     * Driver's private drawable information.
+     *
+     * This structure is opaque.
      */
-    int myNum;
+    void *driverPrivate;
 
     /**
-     * Callback functions into the hardware-specific DRI driver code.
+     * Private data from the loader.  We just hold on to it and pass
+     * it back when calling into loader provided functions.
      */
-    struct __DriverAPIRec DriverAPI;
+    void *loaderPrivate;
 
-    const __DRIextension **extensions;
+    /**
+     * Pointer to context to which this drawable is currently bound.
+     */
+    __DRIcontext *driContextPriv;
 
     /**
-     * DRM (kernel module) version information.
+     * Pointer to screen on which this drawable was created.
      */
-    __DRIversion drm_version;
+    __DRIscreen *driScreenPriv;
 
     /**
-     * File descriptor returned when the kernel device driver is opened.
-     * 
-     * Used to:
-     *   - authenticate client to kernel
-     *   - map the frame buffer, SAREA, etc.
-     *   - close the kernel device driver
+     * Reference count for number of context's currently bound to this
+     * drawable.
+     *
+     * Once it reaches zero, the drawable can be destroyed.
+     *
+     * \note This behavior will change with GLX 1.3.
      */
-    int fd;
+    int refcount;
 
     /**
-     * Device-dependent private information (not stored in the SAREA).
-     * 
-     * This pointer is never touched by the DRI layer.
+     * Last value of the stamp.
+     *
+     * If this differs from the value stored at __DRIdrawable::dri2.stamp,
+     * then the drawable information has been modified by the X server, and the
+     * drawable information (below) should be retrieved from the X server.
      */
-#ifdef __cplusplus
-    void *priv;
-#else
-    void *private;
-#endif
+    unsigned int lastStamp;
 
+    int w, h;
+
+    /**
+     * Drawable timestamp.  Increased when the loader calls invalidate.
+     */
     struct {
-	/* Flag to indicate that this is a DRI2 screen.  Many of the above
-	 * fields will not be valid or initializaed in that case. */
-	__DRIdri2LoaderExtension *loader;
-	__DRIimageLookupExtension *image;
-	__DRIuseInvalidateExtension *useInvalidate;
+	unsigned int stamp;
     } dri2;
-
-    driOptionCache optionInfo;
-    driOptionCache optionCache;
-   unsigned int api_mask;
-   void *loaderPrivate;
 };
 
 extern void
diff --git a/mesalib/src/mesa/drivers/dri/common/drisw_util.c b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
index 1bdb6d893..614339eeb 100644
--- a/mesalib/src/mesa/drivers/dri/common/drisw_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
@@ -27,7 +27,7 @@
  * DRISW utility functions, i.e. dri_util.c stripped from drm-specific bits.
  */
 
-#include "drisw_util.h"
+#include "dri_util.h"
 #include "utils.h"
 
 
@@ -54,20 +54,19 @@ driCreateNewScreen(int scrn, const __DRIextension **extensions,
     static const __DRIextension *emptyExtensionList[] = { NULL };
     __DRIscreen *psp;
 
-    (void) data;
-
     psp = CALLOC_STRUCT(__DRIscreenRec);
     if (!psp)
 	return NULL;
 
     setupLoaderExtensions(psp, extensions);
 
+    psp->loaderPrivate = data;
+
     psp->extensions = emptyExtensionList;
     psp->fd = -1;
     psp->myNum = scrn;
 
     *driver_configs = driDriverAPI.InitScreen(psp);
-
     if (*driver_configs == NULL) {
 	FREE(psp);
 	return NULL;
@@ -80,7 +79,6 @@ static void driDestroyScreen(__DRIscreen *psp)
 {
     if (psp) {
 	driDriverAPI.DestroyScreen(psp);
-
 	FREE(psp);
     }
 }
@@ -96,37 +94,12 @@ static const __DRIextension **driGetExtensions(__DRIscreen *psp)
  */
 
 static __DRIcontext *
-driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
-		    __DRIcontext *shared, void *data)
-{
-    __DRIcontext *pcp;
-    void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
-
-    pcp = CALLOC_STRUCT(__DRIcontextRec);
-    if (!pcp)
-	return NULL;
-
-    pcp->loaderPrivate = data;
-
-    pcp->driScreenPriv = psp;
-    pcp->driDrawablePriv = NULL;
-    pcp->driReadablePriv = NULL;
-
-    if (!driDriverAPI.CreateContext(API_OPENGL,
-			    &config->modes, pcp, shareCtx)) {
-	FREE(pcp);
-	return NULL;
-    }
-
-    return pcp;
-}
-
-static __DRIcontext *
 driCreateNewContextForAPI(__DRIscreen *psp, int api,
                           const __DRIconfig *config,
                           __DRIcontext *shared, void *data)
 {
     __DRIcontext *pcp;
+    const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
     void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
     gl_api mesa_api;
 
@@ -154,8 +127,7 @@ driCreateNewContextForAPI(__DRIscreen *psp, int api,
     pcp->driDrawablePriv = NULL;
     pcp->driReadablePriv = NULL;
 
-    if (!driDriverAPI.CreateContext(mesa_api,
-                            &config->modes, pcp, shareCtx)) {
+    if (!driDriverAPI.CreateContext(mesa_api, modes, pcp, shareCtx)) {
         FREE(pcp);
         return NULL;
     }
@@ -163,6 +135,14 @@ driCreateNewContextForAPI(__DRIscreen *psp, int api,
     return pcp;
 }
 
+static __DRIcontext *
+driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
+		    __DRIcontext *shared, void *data)
+{
+    return driCreateNewContextForAPI(psp, __DRI_API_OPENGL,
+				     config, shared, data);
+}
+
 static void
 driDestroyContext(__DRIcontext *pcp)
 {
@@ -193,7 +173,7 @@ static int driBindContext(__DRIcontext *pcp,
 	    pdp->driContextPriv = pcp;
 	    dri_get_drawable(pdp);
 	}
-	if ( prp && pdp != prp ) {
+	if (prp && pdp != prp) {
 	    dri_get_drawable(prp);
 	}
     }
@@ -248,7 +228,6 @@ static void dri_put_drawable(__DRIdrawable *pdp)
 	    return;
 
 	driDriverAPI.DestroyBuffer(pdp);
-
 	FREE(pdp);
     }
 }
diff --git a/mesalib/src/mesa/drivers/dri/common/drisw_util.h b/mesalib/src/mesa/drivers/dri/common/drisw_util.h
deleted file mode 100644
index cae47e1f6..000000000
--- a/mesalib/src/mesa/drivers/dri/common/drisw_util.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/*

- * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.

- * All Rights Reserved.

- * Copyright 2010 George Sapountzis <gsapountzis@gmail.com>

- *

- * 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 and this permission notice 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

- * BRIAN PAUL 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.

- */

-

-/**

- * @file

- * Binding of the DRI interface (dri_interface.h) for DRISW.

- *

- * The DRISW structs are 'base classes' of the corresponding DRI1 / DRI2 (DRM)

- * structs. The bindings for SW and DRM can be unified by making the DRM structs

- * 'sub-classes' of the SW structs, either proper or with field re-ordering.

- *

- * The code can also be unified but that requires cluttering the common code

- * with ifdef's and guarding with (__DRIscreen::fd >= 0) for DRM.

- */

-

-#ifndef _DRISW_UTIL_H

-#define _DRISW_UTIL_H

-

-#include "main/mtypes.h"

-

-#include <GL/gl.h>

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

-typedef struct _drmLock drmLock;

-

-

-/**

- * Extensions

- */

-extern const __DRIcoreExtension driCoreExtension;

-extern const __DRIswrastExtension driSWRastExtension;

-

-

-/**

- * Driver callback functions

- */

-struct __DriverAPIRec {

-    const __DRIconfig **(*InitScreen) (__DRIscreen * priv);

-

-    void (*DestroyScreen)(__DRIscreen *driScrnPriv);

-

-    GLboolean (*CreateContext)(gl_api glapi,

-                               const struct gl_config *glVis,

-                               __DRIcontext *driContextPriv,

-                               void *sharedContextPrivate);

-

-    void (*DestroyContext)(__DRIcontext *driContextPriv);

-

-    GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv,

-                              __DRIdrawable *driDrawPriv,

-                              const struct gl_config *glVis,

-                              GLboolean pixmapBuffer);

-

-    void (*DestroyBuffer)(__DRIdrawable *driDrawPriv);

-

-    void (*SwapBuffers)(__DRIdrawable *driDrawPriv);

-

-    GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv,

-                             __DRIdrawable *driDrawPriv,

-                             __DRIdrawable *driReadPriv);

-

-    GLboolean (*UnbindContext)(__DRIcontext *driContextPriv);

-};

-

-extern const struct __DriverAPIRec driDriverAPI;

-

-

-/**

- * Data types

- */

-struct __DRIscreenRec {

-    int myNum;

-

-    int fd;

-

-    void *private;

-

-    const __DRIextension **extensions;

-

-    const __DRIswrastLoaderExtension *swrast_loader;

-};

-

-struct __DRIcontextRec {

-

-    void *driverPrivate;

-

-    void *loaderPrivate;

-

-    __DRIdrawable *driDrawablePriv;

-

-    __DRIdrawable *driReadablePriv;

-

-    __DRIscreen *driScreenPriv;

-};

-

-struct __DRIdrawableRec {

-

-    void *driverPrivate;

-

-    void *loaderPrivate;

-

-    __DRIcontext *driContextPriv;

-

-    __DRIscreen *driScreenPriv;

-

-    int refcount;

-

-    /* gallium */

-    unsigned int lastStamp;

-

-    int w;

-    int h;

-};

-

-#endif /* _DRISW_UTIL_H */

diff --git a/mesalib/src/mesa/drivers/dri/common/utils.c b/mesalib/src/mesa/drivers/dri/common/utils.c
index d8656a784..328f56b50 100644
--- a/mesalib/src/mesa/drivers/dri/common/utils.c
+++ b/mesalib/src/mesa/drivers/dri/common/utils.c
@@ -37,29 +37,6 @@
 #include "utils.h"
 
 
-/**
- * Print message to \c stderr if the \c LIBGL_DEBUG environment variable
- * is set. 
- * 
- * Is called from the drivers.
- * 
- * \param f \c printf like format string.
- */
-void
-__driUtilMessage(const char *f, ...)
-{
-    va_list args;
-
-    if (getenv("LIBGL_DEBUG")) {
-        fprintf(stderr, "libGL: ");
-        va_start(args, f);
-        vfprintf(stderr, f, args);
-        va_end(args);
-        fprintf(stderr, "\n");
-    }
-}
-
-
 unsigned
 driParseDebugString( const char * debug, 
 		     const struct dri_debug_control * control  )
diff --git a/mesalib/src/mesa/drivers/dri/common/utils.h b/mesalib/src/mesa/drivers/dri/common/utils.h
index c2302de5d..9d6eb3037 100644
--- a/mesalib/src/mesa/drivers/dri/common/utils.h
+++ b/mesalib/src/mesa/drivers/dri/common/utils.h
@@ -32,16 +32,11 @@
 #include <GL/internal/dri_interface.h>
 #include "main/context.h"
 
-typedef struct __DRIutilversionRec2    __DRIutilversion2;
-
 struct dri_debug_control {
     const char * string;
     unsigned     flag;
 };
 
-extern void
-__driUtilMessage(const char *f, ...);
-
 extern unsigned driParseDebugString( const char * debug,
     const struct dri_debug_control * control );
 
diff --git a/mesalib/src/mesa/drivers/dri/common/xmlconfig.c b/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
index 12dd31bb1..6d1d5ec61 100644
--- a/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
+++ b/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
@@ -420,6 +420,28 @@ static GLboolean checkValue (const driOptionValue *v, const driOptionInfo *info)
     return GL_FALSE;
 }
 
+/**
+ * Print message to \c stderr if the \c LIBGL_DEBUG environment variable
+ * is set. 
+ * 
+ * Is called from the drivers.
+ * 
+ * \param f \c printf like format string.
+ */
+static void
+__driUtilMessage(const char *f, ...)
+{
+    va_list args;
+
+    if (getenv("LIBGL_DEBUG")) {
+        fprintf(stderr, "libGL: ");
+        va_start(args, f);
+        vfprintf(stderr, f, args);
+        va_end(args);
+        fprintf(stderr, "\n");
+    }
+}
+
 /** \brief Output a warning message. */
 #define XML_WARNING1(msg) do {\
     __driUtilMessage ("Warning in %s line %d, column %d: "msg, data->name, \
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast_priv.h b/mesalib/src/mesa/drivers/dri/swrast/swrast_priv.h
index 50e6a83d5..b57012aef 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast_priv.h
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast_priv.h
@@ -30,7 +30,7 @@
 #include <GL/gl.h>
 #include <GL/internal/dri_interface.h>
 #include "main/mtypes.h"
-#include "drisw_util.h"
+#include "dri_util.h"
 
 
 /**
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
index beb5e7cab..1a8854b9b 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
@@ -480,6 +480,7 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_save_viewport(cso);
    cso_save_fragment_shader(cso);
    cso_save_vertex_shader(cso);
+   cso_save_geometry_shader(cso);
    cso_save_vertex_elements(cso);
    cso_save_vertex_buffers(cso);
 
@@ -493,6 +494,9 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    /* vertex shader state: position + texcoord pass-through */
    cso_set_vertex_shader_handle(cso, st->bitmap.vs);
 
+   /* geometry shader state: disabled */
+   cso_set_geometry_shader_handle(cso, NULL);
+
    /* user samplers, plus our bitmap sampler */
    {
       struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
@@ -556,6 +560,7 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_restore_viewport(cso);
    cso_restore_fragment_shader(cso);
    cso_restore_vertex_shader(cso);
+   cso_restore_geometry_shader(cso);
    cso_restore_vertex_elements(cso);
    cso_restore_vertex_buffers(cso);
 }
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index 83802a5ea..19a87aae2 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -246,6 +246,7 @@ clear_with_quad(struct gl_context *ctx,
    cso_save_clip(st->cso_context);
    cso_save_fragment_shader(st->cso_context);
    cso_save_vertex_shader(st->cso_context);
+   cso_save_geometry_shader(st->cso_context);
    cso_save_vertex_elements(st->cso_context);
    cso_save_vertex_buffers(st->cso_context);
 
@@ -321,6 +322,7 @@ clear_with_quad(struct gl_context *ctx,
    cso_set_clip(st->cso_context, &st->clear.clip);
    set_fragment_shader(st);
    set_vertex_shader(st);
+   cso_set_geometry_shader_handle(st->cso_context, NULL);
 
    if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
       st_translate_color(ctx->Color.ClearColor.f,
@@ -340,6 +342,7 @@ clear_with_quad(struct gl_context *ctx,
    cso_restore_clip(st->cso_context);
    cso_restore_fragment_shader(st->cso_context);
    cso_restore_vertex_shader(st->cso_context);
+   cso_restore_geometry_shader(st->cso_context);
    cso_restore_vertex_elements(st->cso_context);
    cso_restore_vertex_buffers(st->cso_context);
 }
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 89e0a73f1..1c44d0d87 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -671,6 +671,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_save_fragment_sampler_views(cso);
    cso_save_fragment_shader(cso);
    cso_save_vertex_shader(cso);
+   cso_save_geometry_shader(cso);
    cso_save_vertex_elements(cso);
    cso_save_vertex_buffers(cso);
    if (write_stencil) {
@@ -720,6 +721,8 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    /* vertex shader state: position + texcoord pass-through */
    cso_set_vertex_shader_handle(cso, driver_vp);
 
+   /* geometry shader state: disabled */
+   cso_set_geometry_shader_handle(cso, NULL);
 
    /* texture sampling state: */
    {
@@ -789,6 +792,7 @@ draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
    cso_restore_fragment_sampler_views(cso);
    cso_restore_fragment_shader(cso);
    cso_restore_vertex_shader(cso);
+   cso_restore_geometry_shader(cso);
    cso_restore_vertex_elements(cso);
    cso_restore_vertex_buffers(cso);
    if (write_stencil) {
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
index 86ceb9d78..eff195068 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c
@@ -230,6 +230,7 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
 
    cso_save_viewport(cso);
    cso_save_vertex_shader(cso);
+   cso_save_geometry_shader(cso);
    cso_save_vertex_elements(cso);
    cso_save_vertex_buffers(cso);
 
@@ -238,6 +239,7 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
                                semantic_names, semantic_indexes);
       cso_set_vertex_shader_handle(cso, vs);
    }
+   cso_set_geometry_shader_handle(cso, NULL);
 
    for (i = 0; i < numAttribs; i++) {
       velements[i].src_offset = i * 4 * sizeof(float);
@@ -278,6 +280,7 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
    /* restore state */
    cso_restore_viewport(cso);
    cso_restore_vertex_shader(cso);
+   cso_restore_geometry_shader(cso);
    cso_restore_vertex_elements(cso);
    cso_restore_vertex_buffers(cso);
 }
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index af8cc0476..3563e1d9b 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -555,7 +555,8 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.ARB_vertex_type_2_10_10_10_rev = GL_TRUE;
    }
 
-   if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
+   if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY,
+                                PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
 #if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
       ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
 #endif
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 6b841f1e9..529f5f64a 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -79,6 +79,12 @@ extern "C" {
                            (1 << PROGRAM_CONSTANT) |     \
                            (1 << PROGRAM_UNIFORM))
 
+/**
+ * Maximum number of temporary registers.
+ *
+ * It is too big for stack allocated arrays -- it will cause stack overflow on
+ * Windows and likely Mac OS X.
+ */
 #define MAX_TEMPS         4096
 
 /* will be 4 for GLSL 4.00 */
@@ -3004,9 +3010,13 @@ glsl_to_tgsi_visitor::remove_output_reads(gl_register_file type)
    GLint outputMap[VERT_RESULT_MAX];
    GLint outputTypes[VERT_RESULT_MAX];
    GLuint numVaryingReads = 0;
-   GLboolean usedTemps[MAX_TEMPS];
+   GLboolean *usedTemps;
    GLuint firstTemp = 0;
 
+   usedTemps = new GLboolean[MAX_TEMPS];
+   if (!usedTemps) {
+      return;
+   }
    _mesa_find_used_registers(prog, PROGRAM_TEMPORARY,
                              usedTemps, MAX_TEMPS);
 
@@ -3039,6 +3049,8 @@ glsl_to_tgsi_visitor::remove_output_reads(gl_register_file type)
       }
    }
 
+   delete [] usedTemps;
+
    if (numVaryingReads == 0)
       return; /* nothing to be done */
 
@@ -3110,9 +3122,13 @@ get_src_arg_mask(st_dst_reg dst, st_src_reg src)
 void
 glsl_to_tgsi_visitor::simplify_cmp(void)
 {
-   unsigned tempWrites[MAX_TEMPS];
+   unsigned *tempWrites;
    unsigned outputWrites[MAX_PROGRAM_OUTPUTS];
 
+   tempWrites = new unsigned[MAX_TEMPS];
+   if (!tempWrites) {
+      return;
+   }
    memset(tempWrites, 0, sizeof(tempWrites));
    memset(outputWrites, 0, sizeof(outputWrites));
 
@@ -3128,7 +3144,7 @@ glsl_to_tgsi_visitor::simplify_cmp(void)
           inst->op == TGSI_OPCODE_END ||
           inst->op == TGSI_OPCODE_ENDSUB ||
           inst->op == TGSI_OPCODE_RET) {
-         return;
+         break;
       }
 
       if (inst->dst.file == PROGRAM_OUTPUT) {
@@ -3153,6 +3169,8 @@ glsl_to_tgsi_visitor::simplify_cmp(void)
          inst->src[0] = inst->src[1];
       }
    }
+
+   delete [] tempWrites;
 }
 
 /* Replaces all references to a temporary register index with another index. */
@@ -4580,14 +4598,19 @@ st_translate_program(
    const ubyte outputSemanticIndex[],
    boolean passthrough_edgeflags)
 {
-   struct st_translate translate, *t;
+   struct st_translate *t;
    unsigned i;
    enum pipe_error ret = PIPE_OK;
 
    assert(numInputs <= Elements(t->inputs));
    assert(numOutputs <= Elements(t->outputs));
 
-   t = &translate;
+   t = CALLOC_STRUCT(st_translate);
+   if (!t) {
+      ret = PIPE_ERROR_OUT_OF_MEMORY;
+      goto out;
+   }
+
    memset(t, 0, sizeof *t);
 
    t->procType = procType;
@@ -4642,7 +4665,8 @@ st_translate_program(
             break;
          default:
             assert(!"fragment shader outputs must be POSITION/STENCIL/COLOR");
-            return PIPE_ERROR_BAD_INPUT;
+            ret = PIPE_ERROR_BAD_INPUT;
+            goto out;
          }
       }
    }
@@ -4823,13 +4847,17 @@ st_translate_program(
    }
 
 out:
-   FREE(t->insn);
-   FREE(t->labels);
-   FREE(t->constants);
-   FREE(t->immediates);
+   if (t) {
+      FREE(t->insn);
+      FREE(t->labels);
+      FREE(t->constants);
+      FREE(t->immediates);
+
+      if (t->error) {
+         debug_printf("%s: translate error flag set\n", __FUNCTION__);
+      }
 
-   if (t->error) {
-      debug_printf("%s: translate error flag set\n", __FUNCTION__);
+      FREE(t);
    }
 
    return ret;
diff --git a/mesalib/src/mesa/swrast/s_readpix.c b/mesalib/src/mesa/swrast/s_readpix.c
index c36746caf..50422dbd5 100644
--- a/mesalib/src/mesa/swrast/s_readpix.c
+++ b/mesalib/src/mesa/swrast/s_readpix.c
@@ -305,7 +305,7 @@ static GLboolean
 fast_read_depth_stencil_pixels(struct gl_context *ctx,
 			       GLint x, GLint y,
 			       GLsizei width, GLsizei height,
-			       GLvoid *dst, int dstStride)
+			       GLubyte *dst, int dstStride)
 {
    struct gl_framebuffer *fb = ctx->ReadBuffer;
    struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;