Updated to mesalib 7.9

10 files changed, 716 insertions, 132 deletions

diff --git a/mesalib/src/mesa/drivers/dri/common/dri_metaops.c b/mesalib/src/mesa/drivers/dri/common/dri_metaops.c
index dfb7d6404..a2f404b61 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_metaops.c
+++ b/mesalib/src/mesa/drivers/dri/common/dri_metaops.c
@@ -26,15 +26,16 @@
  *
  **************************************************************************/
 
+#include "main/arbprogram.h"
 #include "main/arrayobj.h"
 #include "main/bufferobj.h"
+#include "main/context.h"
 #include "main/enable.h"
 #include "main/matrix.h"
 #include "main/texstate.h"
 #include "main/varray.h"
 #include "main/viewport.h"
-#include "shader/arbprogram.h"
-#include "shader/program.h"
+#include "program/program.h"
 #include "dri_metaops.h"
 
 void
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_test.c b/mesalib/src/mesa/drivers/dri/common/dri_test.c
new file mode 100644
index 000000000..793f0c37d
--- /dev/null
+++ b/mesalib/src/mesa/drivers/dri/common/dri_test.c
@@ -0,0 +1,89 @@
+#include "main/glheader.h"
+#include "main/compiler.h"
+#include "glapi/glapi.h"
+
+/* This is just supposed to make sure we get a reference to
+   the driver entry symbol that the compiler doesn't optimize away */
+
+extern char __driDriverExtensions[];
+
+/* provide glapi symbols */
+
+#if defined(GLX_USE_TLS)
+
+PUBLIC __thread struct _glapi_table * _glapi_tls_Dispatch
+    __attribute__((tls_model("initial-exec")));
+
+PUBLIC __thread void * _glapi_tls_Context
+    __attribute__((tls_model("initial-exec")));
+
+PUBLIC const struct _glapi_table *_glapi_Dispatch;
+PUBLIC const void *_glapi_Context;
+
+#else
+
+PUBLIC struct _glapi_table *_glapi_Dispatch;
+PUBLIC void *_glapi_Context;
+
+#endif
+
+PUBLIC void
+_glapi_check_multithread(void)
+{}
+
+PUBLIC void
+_glapi_set_context(void *context)
+{}
+
+PUBLIC void *
+_glapi_get_context(void)
+{
+	return 0;
+}
+
+PUBLIC void
+_glapi_set_dispatch(struct _glapi_table *dispatch)
+{}
+
+PUBLIC struct _glapi_table *
+_glapi_get_dispatch(void)
+{
+	return 0;
+}
+
+PUBLIC int
+_glapi_add_dispatch( const char * const * function_names,
+		     const char * parameter_signature )
+{
+	return 0;
+}
+
+PUBLIC GLint
+_glapi_get_proc_offset(const char *funcName)
+{
+	return 0;
+}
+
+PUBLIC _glapi_proc
+_glapi_get_proc_address(const char *funcName)
+{
+	return 0;
+}
+
+PUBLIC GLuint
+_glapi_get_dispatch_table_size(void)
+{
+	return 0;
+}
+
+PUBLIC unsigned long
+_glthread_GetID(void)
+{
+   return 0;
+}
+
+int main(int argc, char** argv)
+{
+   void* p = __driDriverExtensions;
+   return (int)(unsigned long)p;
+}
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.c b/mesalib/src/mesa/drivers/dri/common/dri_util.c
index 75c98825b..d46f622d5 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.c
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.c
@@ -31,6 +31,17 @@
 #include "dri_util.h"
 #include "drm_sarea.h"
 #include "utils.h"
+#include "xmlpool.h"
+#include "../glsl/glsl_parser_extras.h"
+
+PUBLIC const char __dri2ConfigOptions[] =
+   DRI_CONF_BEGIN
+      DRI_CONF_SECTION_PERFORMANCE
+         DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1)
+      DRI_CONF_SECTION_END
+   DRI_CONF_END;
+
+static const uint __dri2NConfigOptions = 1;
 
 #ifndef GLX_OML_sync_control
 typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator);
@@ -47,28 +58,6 @@ const __DRIextension driReadDrawableExtension = {
     __DRI_READ_DRAWABLE, __DRI_READ_DRAWABLE_VERSION
 };
 
-/**
- * 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");
-    }
-}
-
 GLint
 driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 )
 {
@@ -151,11 +140,6 @@ static int driUnbindContext(__DRIcontext *pcp)
      */
     pcp->driDrawablePriv = pcp->driReadablePriv = NULL;
 
-#if 0
-    /* Unbind the drawable */
-    pdp->driContextPriv = &psp->dummyContextPriv;
-#endif
-
     return GL_TRUE;
 }
 
@@ -170,19 +154,24 @@ static int driBindContext(__DRIcontext *pcp,
 {
     __DRIscreen *psp = NULL;
 
-    /* Bind the drawable to the context */
+    /*
+    ** Assume error checking is done properly in glXMakeCurrent before
+    ** calling driUnbindContext.
+    */
 
-    if (pcp) {
-	psp = pcp->driScreenPriv;
-	pcp->driDrawablePriv = pdp;
-	pcp->driReadablePriv = prp;
-	if (pdp) {
-	    pdp->driContextPriv = pcp;
-    	    dri_get_drawable(pdp);
-	}
-	if ( prp && pdp != prp ) {
-    	    dri_get_drawable(prp);
-	}
+    if (!pcp)
+	return GL_FALSE;
+
+    /* Bind the drawable to the context */
+    psp = pcp->driScreenPriv;
+    pcp->driDrawablePriv = pdp;
+    pcp->driReadablePriv = prp;
+    if (pdp) {
+	pdp->driContextPriv = pcp;
+	dri_get_drawable(pdp);
+    }
+    if (prp && pdp != prp) {
+	dri_get_drawable(prp);
     }
 
     /*
@@ -190,7 +179,6 @@ static int driBindContext(__DRIcontext *pcp,
     ** initialize the drawable information if has not been done before.
     */
 
-    assert(psp);
     if (!psp->dri2.enabled) {
 	if (pdp && !pdp->pStamp) {
 	    DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
@@ -205,7 +193,6 @@ static int driBindContext(__DRIcontext *pcp,
     }
 
     /* Call device-specific MakeCurrent */
-
     return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp);
 }
 
@@ -437,6 +424,7 @@ driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config,
 	return NULL;
     }
 
+    pdp->driContextPriv = NULL;
     pdp->loaderPrivate = data;
     pdp->hHWDrawable = hwDrawable;
     pdp->refcount = 1;
@@ -455,7 +443,6 @@ driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config,
     pdp->vblFlags = 0;
 
     pdp->driScreenPriv = psp;
-    pdp->driContextPriv = &psp->dummyContextPriv;
 
     if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, &config->modes,
 					renderType == GLX_PIXMAP_BIT)) {
@@ -495,6 +482,41 @@ dri2CreateNewDrawable(__DRIscreen *screen,
     return pdraw;
 }
 
+static int
+dri2ConfigQueryb(__DRIscreen *screen, const char *var, GLboolean *val)
+{
+   if (!driCheckOption(&screen->optionCache, var, DRI_BOOL))
+      return -1;
+
+   *val = driQueryOptionb(&screen->optionCache, var);
+
+   return 0;
+}
+
+static int
+dri2ConfigQueryi(__DRIscreen *screen, const char *var, GLint *val)
+{
+   if (!driCheckOption(&screen->optionCache, var, DRI_INT) &&
+       !driCheckOption(&screen->optionCache, var, DRI_ENUM))
+      return -1;
+
+    *val = driQueryOptioni(&screen->optionCache, var);
+
+    return 0;
+}
+
+static int
+dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val)
+{
+   if (!driCheckOption(&screen->optionCache, var, DRI_FLOAT))
+      return -1;
+
+    *val = driQueryOptionf(&screen->optionCache, var);
+
+    return 0;
+}
+
+
 static void dri_get_drawable(__DRIdrawable *pdp)
 {
     pdp->refcount++;
@@ -589,21 +611,11 @@ driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
     
     pcp->dri2.draw_stamp = 0;
     pcp->dri2.read_stamp = 0;
-    /* When the first context is created for a screen, initialize a "dummy"
-     * context.
-     */
-
-    if (!psp->dri2.enabled && !psp->dummyContextPriv.driScreenPriv) {
-        psp->dummyContextPriv.hHWContext = psp->pSAREA->dummy_context;
-        psp->dummyContextPriv.driScreenPriv = psp;
-        psp->dummyContextPriv.driDrawablePriv = NULL;
-        psp->dummyContextPriv.driverPrivate = NULL;
-	/* No other fields should be used! */
-    }
 
     pcp->hHWContext = hwContext;
 
-    if ( !(*psp->DriverAPI.CreateContext)(&config->modes, pcp, shareCtx) ) {
+    if ( !(*psp->DriverAPI.CreateContext)(API_OPENGL,
+					  &config->modes, pcp, shareCtx) ) {
         free(pcp);
         return NULL;
     }
@@ -611,15 +623,65 @@ driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
     return 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 __GLcontextModes *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 driCreateNewContext(screen, config, 0, shared, 0, data);
+   return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
+				     config, shared, data);
 }
 
-
 static int
 driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
 {
@@ -649,6 +711,8 @@ static void driDestroyScreen(__DRIscreen *psp)
 	 * stream open to the X-server anymore.
 	 */
 
+       _mesa_destroy_shader_compiler();
+
 	if (psp->DriverAPI.DestroyScreen)
 	    (*psp->DriverAPI.DestroyScreen)(psp);
 
@@ -656,6 +720,9 @@ static void driDestroyScreen(__DRIscreen *psp)
 	   (void)drmUnmap((drmAddress)psp->pSAREA, SAREA_MAX);
 	   (void)drmUnmap((drmAddress)psp->pFB, psp->fbSize);
 	   (void)drmCloseOnce(psp->fd);
+	} else {
+	   driDestroyOptionCache(&psp->optionCache);
+	   driDestroyOptionInfo(&psp->optionInfo);
 	}
 
 	free(psp);
@@ -679,6 +746,8 @@ setupLoaderExtensions(__DRIscreen *psp,
 	    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];
     }
 }
 
@@ -756,14 +825,8 @@ driCreateNewScreen(int scrn,
     psp->myNum = scrn;
     psp->dri2.enabled = GL_FALSE;
 
-    /*
-    ** Do not init dummy context here; actual initialization will be
-    ** done when the first DRI context is created.  Init screen priv ptr
-    ** to NULL to let CreateContext routine that it needs to be inited.
-    */
-    psp->dummyContextPriv.driScreenPriv = NULL;
-
     psp->DriverAPI = driDriverAPI;
+    psp->api_mask = (1 << __DRI_API_OPENGL);
 
     *driver_modes = driDriverAPI.InitScreen(psp);
     if (*driver_modes == NULL) {
@@ -809,6 +872,7 @@ dri2CreateNewScreen(int scrn, int fd,
     psp->dri2.enabled = GL_TRUE;
 
     psp->DriverAPI = driDriverAPI;
+    psp->api_mask = (1 << __DRI_API_OPENGL);
     *driver_configs = driDriverAPI.InitScreen2(psp);
     if (*driver_configs == NULL) {
 	free(psp);
@@ -816,6 +880,12 @@ dri2CreateNewScreen(int scrn, int fd,
     }
 
     psp->DriverAPI = driDriverAPI;
+    psp->loaderPrivate = data;
+
+    driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions,
+		       __dri2NConfigOptions);
+    driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum,
+			"dri2");
 
     return psp;
 }
@@ -857,41 +927,15 @@ const __DRIdri2Extension driDRI2Extension = {
     dri2CreateNewScreen,
     dri2CreateNewDrawable,
     dri2CreateNewContext,
+    dri2GetAPIMask,
+    dri2CreateNewContextForAPI
 };
 
-static int
-driFrameTracking(__DRIdrawable *drawable, GLboolean enable)
-{
-    return GLX_BAD_CONTEXT;
-}
-
-static int
-driQueryFrameTracking(__DRIdrawable *dpriv,
-		      int64_t * sbc, int64_t * missedFrames,
-		      float * lastMissedUsage, float * usage)
-{
-   __DRIswapInfo   sInfo;
-   int             status;
-   int64_t         ust;
-   __DRIscreen *psp = dpriv->driScreenPriv;
-
-   status = dpriv->driScreenPriv->DriverAPI.GetSwapInfo( dpriv, & sInfo );
-   if ( status == 0 ) {
-      *sbc = sInfo.swap_count;
-      *missedFrames = sInfo.swap_missed_count;
-      *lastMissedUsage = sInfo.swap_missed_usage;
-
-      (*psp->systemTime->getUST)( & ust );
-      *usage = driCalculateSwapUsage( dpriv, sInfo.swap_ust, ust );
-   }
-
-   return status;
-}
-
-const __DRIframeTrackingExtension driFrameTrackingExtension = {
-    { __DRI_FRAME_TRACKING, __DRI_FRAME_TRACKING_VERSION },
-    driFrameTracking,
-    driQueryFrameTracking    
+const __DRI2configQueryExtension dri2ConfigQueryExtension = {
+   { __DRI2_CONFIG_QUERY, __DRI2_CONFIG_QUERY_VERSION },
+   dri2ConfigQueryb,
+   dri2ConfigQueryi,
+   dri2ConfigQueryf,
 };
 
 /**
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_util.h b/mesalib/src/mesa/drivers/dri/common/dri_util.h
index 99c0f1e44..785beacd8 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_util.h
+++ b/mesalib/src/mesa/drivers/dri/common/dri_util.h
@@ -51,7 +51,9 @@
 #include <drm.h>
 #include <drm_sarea.h>
 #include <xf86drm.h>
+#include "xmlconfig.h"
 #include "main/glheader.h"
+#include "main/mtypes.h"
 #include "GL/internal/glcore.h"
 #include "GL/internal/dri_interface.h"
 
@@ -68,8 +70,8 @@ extern const __DRIdri2Extension driDRI2Extension;
 extern const __DRIextension driReadDrawableExtension;
 extern const __DRIcopySubBufferExtension driCopySubBufferExtension;
 extern const __DRIswapControlExtension driSwapControlExtension;
-extern const __DRIframeTrackingExtension driFrameTrackingExtension;
 extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension;
+extern const __DRI2configQueryExtension dri2ConfigQueryExtension;
 
 /**
  * Used by DRI_VALIDATE_DRAWABLE_INFO
@@ -146,8 +148,9 @@ struct __DriverAPIRec {
     /**
      * Context creation callback
      */	    	    
-    GLboolean (*CreateContext)(const __GLcontextModes *glVis,
-                               __DRIcontext *driContextPriv,
+    GLboolean (*CreateContext)(gl_api api,
+			       const __GLcontextModes *glVis,
+			       __DRIcontext *driContextPriv,
                                void *sharedContextPrivate);
 
     /**
@@ -399,11 +402,6 @@ struct __DRIcontextRec {
     void *driverPrivate;
 
     /**
-     * Pointer back to the \c __DRIcontext that contains this structure.
-     */
-    __DRIcontext *pctx;
-
-    /**
      * Pointer to drawable currently bound to this context for drawing.
      */
     __DRIdrawable *driDrawablePriv;
@@ -511,28 +509,15 @@ struct __DRIscreenRec {
     /*@}*/
 
     /**
-     * Dummy context to which drawables are bound when not bound to any
-     * other context. 
-     *
-     * A dummy hHWContext is created for this context, and is used by the GL
-     * core when a hardware lock is required but the drawable is not currently
-     * bound (e.g., potentially during a SwapBuffers request).  The dummy
-     * context is created when the first "real" context is created on this
-     * screen.
-     */
-    __DRIcontext dummyContextPriv;
-
-    /**
      * Device-dependent private information (not stored in the SAREA).
      * 
      * This pointer is never touched by the DRI layer.
      */
+#ifdef __cplusplus
+    void *priv;
+#else
     void *private;
-
-    /**
-     * Pointer back to the \c __DRIscreen that contains this structure.
-     */
-    __DRIscreen *psc;
+#endif
 
     /* Extensions provided by the loader. */
     const __DRIgetDrawableInfoExtension *getDrawableInfo;
@@ -545,15 +530,17 @@ struct __DRIscreenRec {
 	int enabled;
 	__DRIdri2LoaderExtension *loader;
 	__DRIimageLookupExtension *image;
+	__DRIuseInvalidateExtension *useInvalidate;
     } dri2;
 
     /* The lock actually in use, old sarea or DRI2 */
     drmLock *lock;
-};
-
-extern void
-__driUtilMessage(const char *f, ...);
 
+    driOptionCache optionInfo;
+    driOptionCache optionCache;
+   unsigned int api_mask;
+   void *loaderPrivate;
+};
 
 extern void
 __driUtilUpdateDrawableInfo(__DRIdrawable *pdp);
diff --git a/mesalib/src/mesa/drivers/dri/common/drisw_util.c b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
new file mode 100644
index 000000000..1529c23b1
--- /dev/null
+++ b/mesalib/src/mesa/drivers/dri/common/drisw_util.c
@@ -0,0 +1,273 @@
+/*
+ * 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 drisw_util.c
+ *
+ * DRISW utility functions, i.e. dri_util.c stripped from drm-specific bits.
+ */
+
+#include "drisw_util.h"
+#include "utils.h"
+
+
+/**
+ * Screen functions
+ */
+
+static void
+setupLoaderExtensions(__DRIscreen *psp,
+		      const __DRIextension **extensions)
+{
+    int i;
+
+    for (i = 0; extensions[i]; i++) {
+	if (strcmp(extensions[i]->name, __DRI_SWRAST_LOADER) == 0)
+	    psp->swrast_loader = (__DRIswrastLoaderExtension *) extensions[i];
+    }
+}
+
+static __DRIscreen *
+driCreateNewScreen(int scrn, const __DRIextension **extensions,
+		   const __DRIconfig ***driver_configs, void *data)
+{
+    static const __DRIextension *emptyExtensionList[] = { NULL };
+    __DRIscreen *psp;
+
+    (void) data;
+
+    psp = CALLOC_STRUCT(__DRIscreenRec);
+    if (!psp)
+	return NULL;
+
+    setupLoaderExtensions(psp, extensions);
+
+    psp->extensions = emptyExtensionList;
+    psp->fd = -1;
+    psp->myNum = scrn;
+
+    *driver_configs = driDriverAPI.InitScreen(psp);
+
+    if (*driver_configs == NULL) {
+	FREE(psp);
+	return NULL;
+    }
+
+    return psp;
+}
+
+static void driDestroyScreen(__DRIscreen *psp)
+{
+    if (psp) {
+	driDriverAPI.DestroyScreen(psp);
+
+	FREE(psp);
+    }
+}
+
+static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+{
+    return psp->extensions;
+}
+
+
+/**
+ * Context functions
+ */
+
+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 void
+driDestroyContext(__DRIcontext *pcp)
+{
+    if (pcp) {
+	driDriverAPI.DestroyContext(pcp);
+	FREE(pcp);
+    }
+}
+
+static int
+driCopyContext(__DRIcontext *dst, __DRIcontext *src, unsigned long mask)
+{
+    return GL_FALSE;
+}
+
+static void dri_get_drawable(__DRIdrawable *pdp);
+static void dri_put_drawable(__DRIdrawable *pdp);
+
+static int driBindContext(__DRIcontext *pcp,
+			  __DRIdrawable *pdp,
+			  __DRIdrawable *prp)
+{
+    /* Bind the drawable to the context */
+    if (pcp) {
+	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);
+}
+
+static int driUnbindContext(__DRIcontext *pcp)
+{
+    __DRIdrawable *pdp;
+    __DRIdrawable *prp;
+
+    if (pcp == NULL)
+	return GL_FALSE;
+
+    pdp = pcp->driDrawablePriv;
+    prp = pcp->driReadablePriv;
+
+    /* already unbound */
+    if (!pdp && !prp)
+	return GL_TRUE;
+
+    driDriverAPI.UnbindContext(pcp);
+
+    dri_put_drawable(pdp);
+
+    if (prp != pdp) {
+	dri_put_drawable(prp);
+    }
+
+    pcp->driDrawablePriv = NULL;
+    pcp->driReadablePriv = NULL;
+
+    return GL_TRUE;
+}
+
+
+/**
+ * Drawable functions
+ */
+
+static void dri_get_drawable(__DRIdrawable *pdp)
+{
+    pdp->refcount++;
+}
+
+static void dri_put_drawable(__DRIdrawable *pdp)
+{
+    if (pdp) {
+	pdp->refcount--;
+	if (pdp->refcount)
+	    return;
+
+	driDriverAPI.DestroyBuffer(pdp);
+
+	FREE(pdp);
+    }
+}
+
+static __DRIdrawable *
+driCreateNewDrawable(__DRIscreen *psp,
+		     const __DRIconfig *config, void *data)
+{
+    __DRIdrawable *pdp;
+
+    pdp = CALLOC_STRUCT(__DRIdrawableRec);
+    if (!pdp)
+	return NULL;
+
+    pdp->loaderPrivate = data;
+
+    pdp->driScreenPriv = psp;
+    pdp->driContextPriv = NULL;
+
+    dri_get_drawable(pdp);
+
+    if (!driDriverAPI.CreateBuffer(psp, pdp, &config->modes, GL_FALSE)) {
+	FREE(pdp);
+	return NULL;
+    }
+
+    pdp->lastStamp = 1; /* const */
+
+    return pdp;
+}
+
+static void
+driDestroyDrawable(__DRIdrawable *pdp)
+{
+    dri_put_drawable(pdp);
+}
+
+static void driSwapBuffers(__DRIdrawable *pdp)
+{
+    driDriverAPI.SwapBuffers(pdp);
+}
+
+const __DRIcoreExtension driCoreExtension = {
+    { __DRI_CORE, __DRI_CORE_VERSION },
+    NULL, /* driCreateNewScreen */
+    driDestroyScreen,
+    driGetExtensions,
+    driGetConfigAttrib,
+    driIndexConfigAttrib,
+    NULL, /* driCreateNewDrawable */
+    driDestroyDrawable,
+    driSwapBuffers,
+    driCreateNewContext,
+    driCopyContext,
+    driDestroyContext,
+    driBindContext,
+    driUnbindContext
+};
+
+const __DRIswrastExtension driSWRastExtension = {
+    { __DRI_SWRAST, __DRI_SWRAST_VERSION },
+    driCreateNewScreen,
+    driCreateNewDrawable
+};
diff --git a/mesalib/src/mesa/drivers/dri/common/drisw_util.h b/mesalib/src/mesa/drivers/dri/common/drisw_util.h
new file mode 100644
index 000000000..9c3d01c99
--- /dev/null
+++ b/mesalib/src/mesa/drivers/dri/common/drisw_util.h
@@ -0,0 +1,135 @@
+/*
+ * 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/glcore.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 __GLcontextModes *glVis,
+                               __DRIcontext *driContextPriv,
+                               void *sharedContextPrivate);
+
+    void (*DestroyContext)(__DRIcontext *driContextPriv);
+
+    GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv,
+                              __DRIdrawable *driDrawPriv,
+                              const __GLcontextModes *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/spantmp2.h b/mesalib/src/mesa/drivers/dri/common/spantmp2.h
index 98422a856..1dab7336b 100644
--- a/mesalib/src/mesa/drivers/dri/common/spantmp2.h
+++ b/mesalib/src/mesa/drivers/dri/common/spantmp2.h
@@ -413,6 +413,38 @@
      } while (0)
 # endif
 
+#elif (SPANTMP_PIXEL_FMT == GL_ALPHA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_BYTE)
+
+/**
+ ** GL_ALPHA, GL_UNSIGNED_BYTE
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) (     buf + (_x) + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLubyte *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLubyte *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+# define INIT_MONO_PIXEL(p, color)                       \
+     p = color[3]
+
+# define WRITE_RGBA(_x, _y, r, g, b, a)                                 \
+   PUT_VALUE(_x, _y, a | (r & 0 /* quiet warnings */))
+
+#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y )				        \
+     do {								\
+        GLubyte p = GET_VALUE(_x, _y);					\
+	rgba[0] = 0;							\
+	rgba[1] = 0;							\
+	rgba[2] = 0;							\
+	rgba[3] = p;							\
+     } while (0)
+
 #else
 #error SPANTMP_PIXEL_FMT must be set to a valid value!
 #endif
diff --git a/mesalib/src/mesa/drivers/dri/common/utils.c b/mesalib/src/mesa/drivers/dri/common/utils.c
index b85b364c5..0dd879abc 100644
--- a/mesalib/src/mesa/drivers/dri/common/utils.c
+++ b/mesalib/src/mesa/drivers/dri/common/utils.c
@@ -37,6 +37,29 @@
 #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  )
@@ -230,9 +253,6 @@ void driInitSingleExtension( GLcontext * ctx,
 /**
  * Utility function used by drivers to test the verions of other components.
  *
- * If one of the version requirements is not met, a message is logged using
- * \c __driUtilMessage.
- *
  * \param driver_name  Name of the driver.  Used in error messages.
  * \param driActual    Actual DRI version supplied __driCreateNewScreen.
  * \param driExpected  Minimum DRI version required by the driver.
@@ -244,7 +264,7 @@ void driInitSingleExtension( GLcontext * ctx,
  * \returns \c GL_TRUE if all version requirements are met.  Otherwise,
  *          \c GL_FALSE is returned.
  * 
- * \sa __driCreateNewScreen, driCheckDriDdxDrmVersions2, __driUtilMessage
+ * \sa __driCreateNewScreen, driCheckDriDdxDrmVersions2
  *
  * \todo
  * Now that the old \c driCheckDriDdxDrmVersions function is gone, this
diff --git a/mesalib/src/mesa/drivers/dri/common/utils.h b/mesalib/src/mesa/drivers/dri/common/utils.h
index 02ca3feb7..de6070c39 100644
--- a/mesalib/src/mesa/drivers/dri/common/utils.h
+++ b/mesalib/src/mesa/drivers/dri/common/utils.h
@@ -69,6 +69,9 @@ struct __DRIutilversionRec2 {
     int    patch;        /**< Patch-level. */
 };
 
+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 a6d6c999a..738b1ae97 100644
--- a/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
+++ b/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
@@ -36,7 +36,7 @@
 #include <unistd.h>
 #include <errno.h>
 #include "main/imports.h"
-#include "dri_util.h"
+#include "utils.h"
 #include "xmlconfig.h"
 
 #undef GET_PROGRAM_NAME