Bring in DRI2 changes

9 files changed, 1050 insertions, 860 deletions

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index fff79c36ad..2013125efe 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -55,39 +55,19 @@
 
 #include "dri_util.h"
 #include "drm_sarea.h"
+#include "utils.h"
 
 #ifndef GLX_OML_sync_control
-typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRInativeDisplay *dpy, __DRIid drawable, int32_t *numerator, int32_t *denominator);
+typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator);
 #endif
 
-/* This pointer *must* be set by the driver's __driCreateNewScreen funciton!
- */
-const __DRIinterfaceMethods * dri_interface = NULL;
-
 /**
- * This is used in a couple of places that call \c driCreateNewDrawable.
+ * This is just a token extension used to signal that the driver
+ * supports setting a read drawable.
  */
-static const int empty_attribute_list[1] = { None };
-
-
-/**
- * Cached copy of the internal API version used by libGL and the client-side
- * DRI driver.
- */
-static int api_ver = 0;
-
-/* forward declarations */
-static int driQueryFrameTracking( __DRInativeDisplay *dpy, void *priv,
-                                  int64_t *sbc, int64_t *missedFrames,
-                                  float *lastMissedUsage, float *usage );
-
-static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
-                                  const __GLcontextModes *modes,
-                                  __DRIid draw, __DRIdrawable *pdraw,
-                                  int renderType, const int *attrs);
-
-static void driDestroyDrawable(__DRInativeDisplay *dpy, void *drawablePrivate);
-
+const __DRIextension driReadDrawableExtension = {
+    __DRI_READ_DRAWABLE, __DRI_READ_DRAWABLE_VERSION
+};
 
 /**
  * Print message to \c stderr if the \c LIBGL_DEBUG environment variable
@@ -111,64 +91,19 @@ __driUtilMessage(const char *f, ...)
     }
 }
 
-
-/*****************************************************************/
-/** \name Drawable list management */
-/*****************************************************************/
-/*@{*/
-
-static GLboolean __driAddDrawable(void *drawHash, __DRIdrawable *pdraw)
+GLint
+driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 )
 {
-    __DRIdrawablePrivate *pdp = (__DRIdrawablePrivate *)pdraw->private;
+   if (rect2.x1 > rect1.x1) rect1.x1 = rect2.x1;
+   if (rect2.x2 < rect1.x2) rect1.x2 = rect2.x2;
+   if (rect2.y1 > rect1.y1) rect1.y1 = rect2.y1;
+   if (rect2.y2 < rect1.y2) rect1.y2 = rect2.y2;
 
-    if (drmHashInsert(drawHash, pdp->draw, pdraw))
-	return GL_FALSE;
+   if (rect1.x1 > rect1.x2 || rect1.y1 > rect1.y2) return 0;
 
-    return GL_TRUE;
-}
-
-static __DRIdrawable *__driFindDrawable(void *drawHash, __DRIid draw)
-{
-    int retcode;
-    __DRIdrawable *pdraw;
-
-    retcode = drmHashLookup(drawHash, draw, (void *)&pdraw);
-    if (retcode)
-	return NULL;
-
-    return pdraw;
-}
-
-
-/**
- * Find drawables in the local hash that have been destroyed on the
- * server.
- * 
- * \param drawHash  Hash-table containing all known drawables.
- */
-static void __driGarbageCollectDrawables(void *drawHash)
-{
-    __DRIid draw;
-    __DRInativeDisplay *dpy;
-    __DRIdrawable *pdraw;
-
-    if (drmHashFirst(drawHash, &draw, (void *)&pdraw) == 1) {
-	do {
-	    __DRIdrawablePrivate *pdp = (__DRIdrawablePrivate *)pdraw->private;
-	    dpy = pdp->driScreenPriv->display;
-	    if (! (*dri_interface->windowExists)(dpy, draw)) {
-		/* Destroy the local drawable data, if the drawable no
-		   longer exists in the Xserver */
-		(*pdraw->destroyDrawable)(dpy, pdraw->private);
-		_mesa_free(pdraw);
-	    }
-	} while (drmHashNext(drawHash, &draw, (void *)&pdraw) == 1);
-    }
+   return (rect1.x2 - rect1.x1) * (rect1.y2 - rect1.y1);
 }
 
-/*@}*/
-
-
 /*****************************************************************/
 /** \name Context (un)binding functions                          */
 /*****************************************************************/
@@ -177,10 +112,7 @@ static void __driGarbageCollectDrawables(void *drawHash)
 /**
  * Unbind context.
  * 
- * \param dpy the display handle.
- * \param scrn the screen number.
- * \param draw drawable.
- * \param read Current reading drawable.
+ * \param scrn the screen.
  * \param gc context.
  *
  * \return \c GL_TRUE on success, or \c GL_FALSE on failure.
@@ -193,56 +125,27 @@ static void __driGarbageCollectDrawables(void *drawHash)
  * While casting the opaque private pointers associated with the parameters
  * into their respective real types it also assures they are not \c NULL. 
  */
-static GLboolean driUnbindContext(__DRInativeDisplay *dpy, int scrn,
-			      __DRIid draw, __DRIid read,
-			      __DRIcontext *ctx)
+static int driUnbindContext(__DRIcontext *pcp)
 {
-    __DRIscreen *pDRIScreen;
-    __DRIdrawable *pdraw;
-    __DRIdrawable *pread;
-    __DRIcontextPrivate *pcp;
-    __DRIscreenPrivate *psp;
-    __DRIdrawablePrivate *pdp;
-    __DRIdrawablePrivate *prp;
+    __DRIscreen *psp;
+    __DRIdrawable *pdp;
+    __DRIdrawable *prp;
 
     /*
     ** Assume error checking is done properly in glXMakeCurrent before
     ** calling driUnbindContext.
     */
 
-    if (ctx == NULL || draw == None || read == None) {
-	/* ERROR!!! */
-	return GL_FALSE;
-    }
-
-    pDRIScreen = (*dri_interface->getScreen)(dpy, scrn);
-    if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
-	/* ERROR!!! */
-	return GL_FALSE;
-    }
-
-    psp = (__DRIscreenPrivate *)pDRIScreen->private;
-    pcp = (__DRIcontextPrivate *)ctx->private;
-
-    pdraw = __driFindDrawable(psp->drawHash, draw);
-    if (!pdraw) {
-	/* ERROR!!! */
-	return GL_FALSE;
-    }
-    pdp = (__DRIdrawablePrivate *)pdraw->private;
-
-    pread = __driFindDrawable(psp->drawHash, read);
-    if (!pread) {
-	/* ERROR!!! */
-	return GL_FALSE;
-    }
-    prp = (__DRIdrawablePrivate *)pread->private;
+    if (pcp == NULL)
+        return GL_FALSE;
 
+    psp = pcp->driScreenPriv;
+    pdp = pcp->driDrawablePriv;
+    prp = pcp->driReadablePriv;
 
     /* Let driver unbind drawable from context */
     (*psp->DriverAPI.UnbindContext)(pcp);
 
-
     if (pdp->refcount == 0) {
 	/* ERROR!!! */
 	return GL_FALSE;
@@ -259,12 +162,6 @@ static GLboolean driUnbindContext(__DRInativeDisplay *dpy, int scrn,
 	prp->refcount--;
     }
 
-   /* destroy the drawables if they no longer exist on the server */
-   if ((pdp->refcount == 0) || (prp->refcount == 0)) {
-      /* probably shouldn't need the collector here,
-         as we know the affected drawables (or could there be others?) */
-      __driGarbageCollectDrawables(pdp->driScreenPriv->drawHash);
-   }
 
     /* 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
@@ -284,72 +181,20 @@ static GLboolean driUnbindContext(__DRInativeDisplay *dpy, int scrn,
  * 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.
- * 
- * \bug This function calls \c driCreateNewDrawable in two places with the
- *      \c renderType hard-coded to \c GLX_WINDOW_BIT.  Some checking might
- *      be needed in those places when support for pbuffers and / or pixmaps
- *      is added.  Is it safe to assume that the drawable is a window?
  */
-static GLboolean DoBindContext(__DRInativeDisplay *dpy,
-			  __DRIid draw, __DRIid read,
-			  __DRIcontext *ctx, const __GLcontextModes * modes,
-			  __DRIscreenPrivate *psp)
+static int driBindContext(__DRIcontext *pcp,
+			  __DRIdrawable *pdp,
+			  __DRIdrawable *prp)
 {
-    __DRIdrawable *pdraw;
-    __DRIdrawablePrivate *pdp;
-    __DRIdrawable *pread;
-    __DRIdrawablePrivate *prp;
-    __DRIcontextPrivate * const pcp = ctx->private;
-
-
-    /* Find the _DRIdrawable which corresponds to the writing drawable. */
-    pdraw = __driFindDrawable(psp->drawHash, draw);
-    if (!pdraw) {
-	/* Allocate a new drawable */
-	pdraw = (__DRIdrawable *)_mesa_malloc(sizeof(__DRIdrawable));
-	if (!pdraw) {
-	    /* ERROR!!! */
-	    return GL_FALSE;
-	}
-
-	/* Create a new drawable */
-	driCreateNewDrawable(dpy, modes, draw, pdraw, GLX_WINDOW_BIT,
-			     empty_attribute_list);
-	if (!pdraw->private) {
-	    /* ERROR!!! */
-	    _mesa_free(pdraw);
-	    return GL_FALSE;
-	}
+    __DRIscreenPrivate *psp = pcp->driScreenPriv;
 
-    }
-    pdp = (__DRIdrawablePrivate *) pdraw->private;
+    /*
+    ** Assume error checking is done properly in glXMakeCurrent before
+    ** calling driBindContext.
+    */
 
-    /* Find the _DRIdrawable which corresponds to the reading drawable. */
-    if (read == draw) {
-        /* read buffer == draw buffer */
-        prp = pdp;
-    }
-    else {
-        pread = __driFindDrawable(psp->drawHash, read);
-        if (!pread) {
-            /* Allocate a new drawable */
-            pread = (__DRIdrawable *)_mesa_malloc(sizeof(__DRIdrawable));
-            if (!pread) {
-                /* ERROR!!! */
-                return GL_FALSE;
-            }
-
-            /* Create a new drawable */
-	    driCreateNewDrawable(dpy, modes, read, pread, GLX_WINDOW_BIT,
-				 empty_attribute_list);
-            if (!pread->private) {
-                /* ERROR!!! */
-                _mesa_free(pread);
-                return GL_FALSE;
-            }
-        }
-        prp = (__DRIdrawablePrivate *) pread->private;
-    }
+    if (pcp == NULL || pdp == None || prp == None)
+	return GL_FALSE;
 
     /* Bind the drawable to the context */
     pcp->driDrawablePriv = pdp;
@@ -364,16 +209,22 @@ static GLboolean DoBindContext(__DRInativeDisplay *dpy,
     ** Now that we have a context associated with this drawable, we can
     ** initialize the drawable information if has not been done before.
     */
-    if (!pdp->pStamp || *pdp->pStamp != pdp->lastStamp) {
-	DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
-	__driUtilUpdateDrawableInfo(pdp);
-	DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
-    }
 
-    if ((pdp != prp) && (!prp->pStamp || *prp->pStamp != prp->lastStamp)) {
-	DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
-	__driUtilUpdateDrawableInfo(prp);
-	DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+    if (psp->dri2.enabled) {
+       __driParseEvents(pcp, pdp);
+       __driParseEvents(pcp, prp);
+    } else {
+	if (!pdp->pStamp || *pdp->pStamp != pdp->lastStamp) {
+	    DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+	    __driUtilUpdateDrawableInfo(pdp);
+	    DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+	}
+	
+	if ((pdp != prp) && (!prp->pStamp || *prp->pStamp != prp->lastStamp)) {
+	    DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+	    __driUtilUpdateDrawableInfo(prp);
+	    DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+	}
     }
 
     /* Call device-specific MakeCurrent */
@@ -382,37 +233,6 @@ static GLboolean DoBindContext(__DRInativeDisplay *dpy,
     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 GLboolean driBindContext(__DRInativeDisplay *dpy, int scrn,
-                            __DRIid draw, __DRIid read,
-                            __DRIcontext * ctx)
-{
-    __DRIscreen *pDRIScreen;
-
-    /*
-    ** Assume error checking is done properly in glXMakeCurrent before
-    ** calling driBindContext.
-    */
-
-    if (ctx == NULL || draw == None || read == None) {
-	/* ERROR!!! */
-	return GL_FALSE;
-    }
-
-    pDRIScreen = (*dri_interface->getScreen)(dpy, scrn);
-    if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
-	/* ERROR!!! */
-	return GL_FALSE;
-    }
-
-    return DoBindContext( dpy, draw, read, ctx, ctx->mode,
-			  (__DRIscreenPrivate *)pDRIScreen->private );
-}
 /*@}*/
 
 
@@ -436,7 +256,7 @@ static GLboolean driBindContext(__DRInativeDisplay *dpy, int scrn,
 void
 __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
 {
-    __DRIscreenPrivate *psp;
+    __DRIscreenPrivate *psp = pdp->driScreenPriv;
     __DRIcontextPrivate *pcp = pdp->driContextPriv;
     
     if (!pcp 
@@ -447,15 +267,6 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
 	 */
     }
 
-    psp = pdp->driScreenPriv;
-    if (!psp) {
-	/* ERROR!!! */
-       _mesa_problem(NULL, "Warning! Possible infinite loop due to bug "
-		     "in file %s, line %d\n",
-		     __FILE__, __LINE__);
-	return;
-    }
-
     if (pdp->pClipRects) {
 	_mesa_free(pdp->pClipRects); 
 	pdp->pClipRects = NULL;
@@ -468,15 +279,15 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
 
     DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
 
-    if (!__driFindDrawable(psp->drawHash, pdp->draw) ||
-	! (*dri_interface->getDrawableInfo)(pdp->display, pdp->screen, pdp->draw,
+    if (! (*psp->getDrawableInfo->getDrawableInfo)(pdp,
 			  &pdp->index, &pdp->lastStamp,
 			  &pdp->x, &pdp->y, &pdp->w, &pdp->h,
 			  &pdp->numClipRects, &pdp->pClipRects,
 			  &pdp->backX,
 			  &pdp->backY,
 			  &pdp->numBackClipRects,
-			  &pdp->pBackClipRects )) {
+			  &pdp->pBackClipRects,
+			  pdp->loaderPrivate)) {
 	/* Error -- eg the window may have been destroyed.  Keep going
 	 * with no cliprects.
 	 */
@@ -493,6 +304,138 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
 
 }
 
+int
+__driParseEvents(__DRIcontextPrivate *pcp, __DRIdrawablePrivate *pdp)
+{
+    __DRIscreenPrivate *psp = pcp->driScreenPriv;
+    __DRIDrawableConfigEvent *dc, *last_dc;
+    __DRIBufferAttachEvent *ba, *last_ba;
+    unsigned int tail, mask, *p, end, total, size, changed;
+    unsigned char *data;
+    size_t rect_size;
+
+    /* Check for wraparound. */
+    if (psp->dri2.buffer->prealloc - pdp->dri2.tail > psp->dri2.buffer->size) {
+       /* If prealloc overlaps into what we just parsed, the
+	* server overwrote it and we have to reset our tail
+	* pointer. */
+	DRM_UNLOCK(psp->fd, psp->lock, pcp->hHWContext);
+	(*psp->dri2.loader->reemitDrawableInfo)(pdp, &pdp->dri2.tail,
+						pdp->loaderPrivate);
+	DRM_LIGHT_LOCK(psp->fd, psp->lock, pcp->hHWContext);
+    }
+
+    total = psp->dri2.buffer->head - pdp->dri2.tail;
+    mask = psp->dri2.buffer->size - 1;
+    end = psp->dri2.buffer->head;
+    data = psp->dri2.buffer->data;
+
+    changed = 0;
+    last_dc = NULL;
+    last_ba = NULL;
+
+    for (tail = pdp->dri2.tail; tail != end; tail += size) {
+       p = (unsigned int *) (data + (tail & mask));
+       size = DRI2_EVENT_SIZE(*p);
+       if (size > total || (tail & mask) + size > psp->dri2.buffer->size) {
+	  /* illegal data, bail out. */
+	  fprintf(stderr, "illegal event size\n");
+	  break;
+       }
+
+       switch (DRI2_EVENT_TYPE(*p)) {
+       case DRI2_EVENT_DRAWABLE_CONFIG:
+	  dc = (__DRIDrawableConfigEvent *) p;
+	  if (dc->drawable == pdp->dri2.drawable_id)
+	     last_dc = dc;
+	  break;
+
+       case DRI2_EVENT_BUFFER_ATTACH:
+	  ba = (__DRIBufferAttachEvent *) p;
+	  if (ba->drawable == pdp->dri2.drawable_id && 
+	      ba->buffer.attachment == DRI_DRAWABLE_BUFFER_FRONT_LEFT)
+	     last_ba = ba;
+	  break;
+       }
+    }
+	  
+    if (last_dc) {
+       if (pdp->w != last_dc->width || pdp->h != last_dc->height)
+	  changed = 1;
+
+       pdp->x = last_dc->x;
+       pdp->y = last_dc->y;
+       pdp->w = last_dc->width;
+       pdp->h = last_dc->height;
+
+       pdp->backX = 0;
+       pdp->backY = 0;
+       pdp->numBackClipRects = 1;
+       pdp->pBackClipRects[0].x1 = 0;
+       pdp->pBackClipRects[0].y1 = 0;
+       pdp->pBackClipRects[0].x2 = pdp->w;
+       pdp->pBackClipRects[0].y2 = pdp->h;
+
+       pdp->numClipRects = last_dc->num_rects;
+       _mesa_free(pdp->pClipRects);
+       rect_size = last_dc->num_rects * sizeof last_dc->rects[0];
+       pdp->pClipRects = _mesa_malloc(rect_size);
+       memcpy(pdp->pClipRects, last_dc->rects, rect_size);
+    }
+
+    /* We only care about the most recent drawable config. */
+    if (last_dc && changed)
+       (*psp->DriverAPI.HandleDrawableConfig)(pdp, pcp, last_dc);
+
+    /* Front buffer attachments are special, they typically mean that
+     * we're rendering to a redirected window (or a child window of a
+     * redirected window) and that it got resized.  Resizing the root
+     * window on randr events is a special case of this.  Other causes
+     * may be a window transitioning between redirected and
+     * non-redirected, or a window getting reparented between parents
+     * with different window pixmaps (eg two redirected windows).
+     * These events are special in that the X server allocates the
+     * buffer and that the buffer may be shared by other child
+     * windows.  When our window share the window pixmap with its
+     * parent, drawable config events doesn't affect the front buffer.
+     * We only care about the last such event in the buffer; in fact,
+     * older events will refer to invalid buffer objects.*/
+    if (last_ba)
+       (*psp->DriverAPI.HandleBufferAttach)(pdp, pcp, last_ba);
+
+    /* If there was a drawable config event in the buffer and it
+     * changed the size of the window, all buffer auxillary buffer
+     * attachments prior to that are invalid (as opposed to the front
+     * buffer case discussed above).  In that case we can start
+     * looking for buffer attachment after the last drawable config
+     * event.  If there is no drawable config event in this batch of
+     * events, we have to assume that the last batch might have had
+     * one and process all buffer attach events.*/
+    if (last_dc && changed)
+       tail = (unsigned char *) last_dc - data;
+    else
+       tail = pdp->dri2.tail;
+
+    for ( ; tail != end; tail += size) {
+       ba = (__DRIBufferAttachEvent *) (data + (tail & mask));
+       size = DRI2_EVENT_SIZE(ba->event_header);
+
+       if (DRI2_EVENT_TYPE(ba->event_header) != DRI2_EVENT_BUFFER_ATTACH)
+	  continue;
+       if (ba->drawable != pdp->dri2.drawable_id)
+	  continue;
+       if (last_ba == ba)
+	  continue;
+
+       (*psp->DriverAPI.HandleBufferAttach)(pdp, pcp, ba);
+       changed = 1;
+    }
+
+    pdp->dri2.tail = tail;
+
+    return changed || last_ba;
+}
+
 /*@}*/
 
 /*****************************************************************/
@@ -500,10 +443,33 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
 /*****************************************************************/
 /*@{*/
 
+static void driReportDamage(__DRIdrawable *pdp,
+			    struct drm_clip_rect *pClipRects, int numClipRects)
+{
+    __DRIscreen *psp = pdp->driScreenPriv;
+
+    /* Check that we actually have the new damage report method */
+    if (psp->dri2.enabled) {
+	(*psp->dri2.loader->postDamage)(pdp,
+					pClipRects,
+					numClipRects,
+					pdp->loaderPrivate);
+    } else if (psp->damage) {
+	/* Report the damage.  Currently, all our drivers draw
+	 * directly to the front buffer, so we report the damage there
+	 * rather than to the backing storein (if any).
+	 */
+	(*psp->damage->reportDamage)(pdp,
+				     pdp->x, pdp->y,
+				     pClipRects, numClipRects,
+				     GL_TRUE, pdp->loaderPrivate);
+    }
+}
+
+
 /**
  * Swap buffers.
  *
- * \param dpy the display handle.
  * \param drawablePrivate opaque pointer to the per-drawable private info.
  * 
  * \internal
@@ -511,74 +477,28 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
  * 
  * Is called directly from glXSwapBuffers().
  */
-static void driSwapBuffers( __DRInativeDisplay *dpy, void *drawablePrivate )
-{
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate;
-    drm_clip_rect_t rect;
-
-    dPriv->swapBuffers(dPriv);
-
-    /* Check that we actually have the new damage report method */
-    if (api_ver < 20070105 || dri_interface->reportDamage == NULL)
-	return;
-
-    /* Assume it's affecting the whole drawable for now */
-    rect.x1 = 0;
-    rect.y1 = 0;
-    rect.x2 = rect.x1 + dPriv->w;
-    rect.y2 = rect.y1 + dPriv->h;
-
-    /* Report the damage.  Currently, all our drivers draw directly to the
-     * front buffer, so we report the damage there rather than to the backing
-     * store (if any).
-     */
-    (*dri_interface->reportDamage)(dpy, dPriv->screen, dPriv->draw,
-				   dPriv->x, dPriv->y,
-				   &rect, 1, GL_TRUE);
-}
-
-/**
- * Called directly from a number of higher-level GLX functions.
- */
-static int driGetMSC( void *screenPrivate, int64_t *msc )
-{
-    __DRIscreenPrivate *sPriv = (__DRIscreenPrivate *) screenPrivate;
-
-    return sPriv->DriverAPI.GetMSC( sPriv, msc );
-}
-
-/**
- * Called directly from a number of higher-level GLX functions.
- */
-static int driGetSBC( __DRInativeDisplay *dpy, void *drawablePrivate, int64_t *sbc )
+static void driSwapBuffers(__DRIdrawable *dPriv)
 {
-   __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate;
-   __DRIswapInfo  sInfo;
-   int  status;
+    __DRIscreen *psp = dPriv->driScreenPriv;
 
+    if (!dPriv->numClipRects)
+        return;
 
-   status = dPriv->driScreenPriv->DriverAPI.GetSwapInfo( dPriv, & sInfo );
-   *sbc = sInfo.swap_count;
+    psp->DriverAPI.SwapBuffers(dPriv);
 
-   return status;
+    driReportDamage(dPriv, dPriv->pClipRects, dPriv->numClipRects);
 }
 
-static int driWaitForSBC( __DRInativeDisplay * dpy, void *drawablePriv,
-			  int64_t target_sbc,
-			  int64_t * msc, int64_t * sbc )
+static int driDrawableGetMSC( __DRIscreen *sPriv, __DRIdrawable *dPriv,
+			      int64_t *msc )
 {
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePriv;
-
-    return dPriv->driScreenPriv->DriverAPI.WaitForSBC( dPriv, target_sbc,
-                                                       msc, sbc );
+    return sPriv->DriverAPI.GetDrawableMSC(sPriv, dPriv, msc);
 }
 
-static int driWaitForMSC( __DRInativeDisplay * dpy, void *drawablePriv,
-			  int64_t target_msc,
-			  int64_t divisor, int64_t remainder,
-			  int64_t * msc, int64_t * sbc )
+static int driWaitForMSC(__DRIdrawable *dPriv, int64_t target_msc,
+			 int64_t divisor, int64_t remainder,
+			 int64_t * msc, int64_t * sbc)
 {
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePriv;
     __DRIswapInfo  sInfo;
     int  status;
 
@@ -600,63 +520,70 @@ static int driWaitForMSC( __DRInativeDisplay * dpy, void *drawablePriv,
     return status;
 }
 
-static int64_t driSwapBuffersMSC( __DRInativeDisplay * dpy, void *drawablePriv,
-				  int64_t target_msc,
-				  int64_t divisor, int64_t remainder )
+const __DRImediaStreamCounterExtension driMediaStreamCounterExtension = {
+    { __DRI_MEDIA_STREAM_COUNTER, __DRI_MEDIA_STREAM_COUNTER_VERSION },
+    driWaitForMSC,
+    driDrawableGetMSC,
+};
+
+static void driCopySubBuffer(__DRIdrawable *dPriv,
+			      int x, int y, int w, int h)
 {
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePriv;
+    drm_clip_rect_t rect;
 
-    return dPriv->driScreenPriv->DriverAPI.SwapBuffersMSC( dPriv, target_msc,
-                                                           divisor, 
-                                                           remainder );
+    dPriv->driScreenPriv->DriverAPI.CopySubBuffer(dPriv, x, y, w, h);
+
+    rect.x1 = x;
+    rect.y1 = dPriv->h - y - h;
+    rect.x2 = x + w;
+    rect.y2 = rect.y1 + h;
+    driReportDamage(dPriv, &rect, 1);
 }
 
-static void driCopySubBuffer( __DRInativeDisplay *dpy, void *drawablePrivate,
-			      int x, int y, int w, int h)
+const __DRIcopySubBufferExtension driCopySubBufferExtension = {
+    { __DRI_COPY_SUB_BUFFER, __DRI_COPY_SUB_BUFFER_VERSION },
+    driCopySubBuffer
+};
+
+static void driSetSwapInterval(__DRIdrawable *dPriv, unsigned int interval)
 {
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate;
-    dPriv->driScreenPriv->DriverAPI.CopySubBuffer(dPriv, x, y, w, h);
-    (void) dpy;
+    dPriv->swap_interval = interval;
 }
 
+static unsigned int driGetSwapInterval(__DRIdrawable *dPriv)
+{
+    return dPriv->swap_interval;
+}
+
+const __DRIswapControlExtension driSwapControlExtension = {
+    { __DRI_SWAP_CONTROL, __DRI_SWAP_CONTROL_VERSION },
+    driSetSwapInterval,
+    driGetSwapInterval
+};
+
+
 /**
  * This is called via __DRIscreenRec's createNewDrawable pointer.
  */
-static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
-				  const __GLcontextModes *modes,
-				  __DRIid draw,
-				  __DRIdrawable *pdraw,
-				  int renderType,
-				  const int *attrs)
+static __DRIdrawable *
+driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config,
+		     drm_drawable_t hwDrawable, int renderType,
+		     const int *attrs, void *data)
 {
-    __DRIscreen * const pDRIScreen = (*dri_interface->getScreen)(dpy, modes->screen);
-    __DRIscreenPrivate *psp;
-    __DRIdrawablePrivate *pdp;
-
-
-    pdraw->private = NULL;
+    __DRIdrawable *pdp;
 
     /* Since pbuffers are not yet supported, no drawable attributes are
      * supported either.
      */
     (void) attrs;
 
-    if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
-	return NULL;
-    }
-
-    pdp = (__DRIdrawablePrivate *)_mesa_malloc(sizeof(__DRIdrawablePrivate));
+    pdp = _mesa_malloc(sizeof *pdp);
     if (!pdp) {
 	return NULL;
     }
 
-    if (!(*dri_interface->createDrawable)(dpy, modes->screen, draw, &pdp->hHWDrawable)) {
-	_mesa_free(pdp);
-	return NULL;
-    }
-
-    pdp->draw = draw;
-    pdp->pdraw = pdraw;
+    pdp->loaderPrivate = data;
+    pdp->hHWDrawable = hwDrawable;
     pdp->refcount = 0;
     pdp->pStamp = NULL;
     pdp->lastStamp = 0;
@@ -669,80 +596,55 @@ static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
     pdp->numBackClipRects = 0;
     pdp->pClipRects = NULL;
     pdp->pBackClipRects = NULL;
-    pdp->display = dpy;
-    pdp->screen = modes->screen;
+    pdp->vblSeq = 0;
+    pdp->vblFlags = 0;
 
-    psp = (__DRIscreenPrivate *)pDRIScreen->private;
     pdp->driScreenPriv = psp;
     pdp->driContextPriv = &psp->dummyContextPriv;
 
-    if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, modes,
+    if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, &config->modes,
 					renderType == GLX_PIXMAP_BIT)) {
-       (void)(*dri_interface->destroyDrawable)(dpy, modes->screen, pdp->draw);
        _mesa_free(pdp);
        return NULL;
     }
 
-    pdraw->private = pdp;
-    pdraw->destroyDrawable = driDestroyDrawable;
-    pdraw->swapBuffers = driSwapBuffers;  /* called by glXSwapBuffers() */
-
-    pdraw->getSBC = driGetSBC;
-    pdraw->waitForSBC = driWaitForSBC;
-    pdraw->waitForMSC = driWaitForMSC;
-    pdraw->swapBuffersMSC = driSwapBuffersMSC;
-    pdraw->frameTracking = NULL;
-    pdraw->queryFrameTracking = driQueryFrameTracking;
-
-    if (driCompareGLXAPIVersion (20060314) >= 0)
-	pdraw->copySubBuffer = driCopySubBuffer;
+    pdp->msc_base = 0;
 
     /* This special default value is replaced with the configured
      * default value when the drawable is first bound to a direct
      * rendering context. 
      */
-    pdraw->swap_interval = (unsigned)-1;
-
-    pdp->swapBuffers = psp->DriverAPI.SwapBuffers;
+    pdp->swap_interval = (unsigned)-1;
 
-    /* Add pdraw to drawable list */
-    if (!__driAddDrawable(psp->drawHash, pdraw)) {
-	/* ERROR!!! */
-	(*pdraw->destroyDrawable)(dpy, pdp);
-	_mesa_free(pdp);
-	pdp = NULL;
-	pdraw->private = NULL;
-    }
-
-   return (void *) pdp;
+    return pdp;
 }
 
 static __DRIdrawable *
-driGetDrawable(__DRInativeDisplay *dpy, __DRIid draw, void *screenPrivate)
+dri2CreateNewDrawable(__DRIscreen *screen, const __DRIconfig *config,
+		      unsigned int drawable_id, unsigned int head, void *data)
 {
-    __DRIscreenPrivate *psp = (__DRIscreenPrivate *) screenPrivate;
+    __DRIdrawable *pdraw;
 
-    /*
-    ** Make sure this routine returns NULL if the drawable is not bound
-    ** to a direct rendering context!
-    */
-    return __driFindDrawable(psp->drawHash, draw);
+    pdraw = driCreateNewDrawable(screen, config, 0, 0, NULL, data);
+    if (!pdraw)
+    	return NULL;
+
+    pdraw->dri2.drawable_id = drawable_id;
+    pdraw->dri2.tail = head;
+    pdraw->pBackClipRects = _mesa_malloc(sizeof *pdraw->pBackClipRects);
+
+    return pdraw;
 }
 
+
 static void
-driDestroyDrawable(__DRInativeDisplay *dpy, void *drawablePrivate)
+driDestroyDrawable(__DRIdrawable *pdp)
 {
-    __DRIdrawablePrivate *pdp = (__DRIdrawablePrivate *) drawablePrivate;
     __DRIscreenPrivate *psp;
-    int scrn;
 
     if (pdp) {
 	psp = pdp->driScreenPriv;
-	scrn = psp->myNum;
         (*psp->DriverAPI.DestroyBuffer)(pdp);
-	if ((*dri_interface->windowExists)(dpy, pdp->draw))
-	    (void)(*dri_interface->destroyDrawable)(dpy, scrn, pdp->draw);
-	drmHashDelete(psp->drawHash, pdp->draw);
 	if (pdp->pClipRects) {
 	    _mesa_free(pdp->pClipRects);
 	    pdp->pClipRects = NULL;
@@ -766,8 +668,6 @@ driDestroyDrawable(__DRInativeDisplay *dpy, void *drawablePrivate)
 /**
  * Destroy the per-context private information.
  * 
- * \param dpy the display handle.
- * \param scrn the screen number.
  * \param contextPrivate opaque pointer to the per-drawable private info.
  *
  * \internal
@@ -775,14 +675,10 @@ driDestroyDrawable(__DRInativeDisplay *dpy, void *drawablePrivate)
  * drmDestroyContext(), and finally frees \p contextPrivate.
  */
 static void
-driDestroyContext(__DRInativeDisplay *dpy, int scrn, void *contextPrivate)
+driDestroyContext(__DRIcontext *pcp)
 {
-    __DRIcontextPrivate  *pcp   = (__DRIcontextPrivate *) contextPrivate;
-
     if (pcp) {
 	(*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp);
-	__driGarbageCollectDrawables(pcp->driScreenPriv->drawHash);
-	(void) (*dri_interface->destroyContext)(dpy, scrn, pcp->contextID);
 	_mesa_free(pcp);
     }
 }
@@ -795,7 +691,7 @@ driDestroyContext(__DRInativeDisplay *dpy, int scrn, void *contextPrivate)
  * \param modes         Mode used to create the new context.
  * \param render_type   Type of rendering target.  \c GLX_RGBA is the only
  *                      type likely to ever be supported for direct-rendering.
- * \param sharedPrivate The shared context dependent methods or \c NULL if
+ * \param shared        The shared context dependent methods or \c NULL if
  *                      non-existent.
  * \param pctx          DRI context to receive the context dependent methods.
  *
@@ -809,36 +705,18 @@ driDestroyContext(__DRInativeDisplay *dpy, int scrn, void *contextPrivate)
  * context.
  *
  */
-static void *
-driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
-		    int render_type, void *sharedPrivate, __DRIcontext *pctx)
+static __DRIcontext *
+driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
+		    int render_type, __DRIcontext *shared, 
+		    drm_context_t hwContext, void *data)
 {
-    __DRIscreen *pDRIScreen;
-    __DRIcontextPrivate *pcp;
-    __DRIcontextPrivate *pshare = (__DRIcontextPrivate *) sharedPrivate;
-    __DRIscreenPrivate *psp;
-    void * const shareCtx = (pshare != NULL) ? pshare->driverPrivate : NULL;
+    __DRIcontext *pcp;
+    void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
 
-    pDRIScreen = (*dri_interface->getScreen)(dpy, modes->screen);
-    if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
-	/* ERROR!!! */
+    pcp = _mesa_malloc(sizeof *pcp);
+    if (!pcp)
 	return NULL;
-    } 
-
-    psp = (__DRIscreenPrivate *)pDRIScreen->private;
 
-    pcp = (__DRIcontextPrivate *)_mesa_malloc(sizeof(__DRIcontextPrivate));
-    if (!pcp) {
-	return NULL;
-    }
-
-    if (! (*dri_interface->createContext)(dpy, modes->screen, modes->fbconfigID,
-					&pcp->contextID, &pcp->hHWContext)) {
-	_mesa_free(pcp);
-	return NULL;
-    }
-
-    pcp->display = dpy;
     pcp->driScreenPriv = psp;
     pcp->driDrawablePriv = NULL;
 
@@ -846,8 +724,7 @@ driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
      * context.
      */
 
-    if (!psp->dummyContextPriv.driScreenPriv) {
-        psp->dummyContextPriv.contextID = 0;
+    if (!psp->dri2.enabled && !psp->dummyContextPriv.driScreenPriv) {
         psp->dummyContextPriv.hHWContext = psp->pSAREA->dummy_context;
         psp->dummyContextPriv.driScreenPriv = psp;
         psp->dummyContextPriv.driDrawablePriv = NULL;
@@ -855,21 +732,40 @@ driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
 	/* No other fields should be used! */
     }
 
-    pctx->destroyContext = driDestroyContext;
-    pctx->bindContext    = driBindContext;
-    pctx->unbindContext  = driUnbindContext;
+    pcp->hHWContext = hwContext;
 
-    if ( !(*psp->DriverAPI.CreateContext)(modes, pcp, shareCtx) ) {
-        (void) (*dri_interface->destroyContext)(dpy, modes->screen,
-						pcp->contextID);
+    if ( !(*psp->DriverAPI.CreateContext)(&config->modes, pcp, shareCtx) ) {
         _mesa_free(pcp);
         return NULL;
     }
 
-    __driGarbageCollectDrawables(pcp->driScreenPriv->drawHash);
-
     return pcp;
 }
+
+static __DRIcontext *
+dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
+		      __DRIcontext *shared, void *data)
+{
+    drm_context_t hwContext;
+    DRM_CAS_RESULT(ret);
+
+    /* DRI2 doesn't use kernel with context IDs, we just need an ID that's
+     * different from the kernel context ID to make drmLock() happy. */
+
+    do {
+	hwContext = screen->dri2.lock->next_id;
+	DRM_CAS(&screen->dri2.lock->next_id, hwContext, hwContext + 1, ret);
+    } while (ret);
+
+    return driCreateNewContext(screen, config, 0, shared, hwContext, data);
+}
+
+static int
+driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
+{
+    return GL_FALSE;
+}
+
 /*@}*/
 
 
@@ -889,10 +785,8 @@ driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
  * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
  * drmClose(), and finally frees \p screenPrivate.
  */
-static void driDestroyScreen(__DRInativeDisplay *dpy, int scrn, void *screenPrivate)
+static void driDestroyScreen(__DRIscreen *psp)
 {
-    __DRIscreenPrivate *psp = (__DRIscreenPrivate *) screenPrivate;
-
     if (psp) {
 	/* No interaction with the X-server is possible at this point.  This
 	 * routine is called after XCloseDisplay, so there is no protocol
@@ -902,26 +796,44 @@ static void driDestroyScreen(__DRInativeDisplay *dpy, int scrn, void *screenPriv
 	if (psp->DriverAPI.DestroyScreen)
 	    (*psp->DriverAPI.DestroyScreen)(psp);
 
-	(void)drmUnmap((drmAddress)psp->pSAREA, SAREA_MAX);
-	(void)drmUnmap((drmAddress)psp->pFB, psp->fbSize);
-	_mesa_free(psp->pDevPriv);
-	(void)drmCloseOnce(psp->fd);
-	if ( psp->modes != NULL ) {
-	    (*dri_interface->destroyContextModes)( psp->modes );
+	if (psp->dri2.enabled) {
+	    drmBOUnmap(psp->fd, &psp->dri2.sareaBO);
+	    drmBOUnreference(psp->fd, &psp->dri2.sareaBO);
+	} else {
+	   (void)drmUnmap((drmAddress)psp->pSAREA, SAREA_MAX);
+	   (void)drmUnmap((drmAddress)psp->pFB, psp->fbSize);
+	   (void)drmCloseOnce(psp->fd);
 	}
 
-	assert(psp->drawHash);
-	drmHashDestroy(psp->drawHash);
-
 	_mesa_free(psp);
     }
 }
 
+static void
+setupLoaderExtensions(__DRIscreen *psp,
+		      const __DRIextension **extensions)
+{
+    int i;
+
+    for (i = 0; extensions[i]; i++) {
+	if (strcmp(extensions[i]->name, __DRI_GET_DRAWABLE_INFO) == 0)
+	    psp->getDrawableInfo = (__DRIgetDrawableInfoExtension *) extensions[i];
+	if (strcmp(extensions[i]->name, __DRI_DAMAGE) == 0)
+	    psp->damage = (__DRIdamageExtension *) extensions[i];
+	if (strcmp(extensions[i]->name, __DRI_SYSTEM_TIME) == 0)
+	    psp->systemTime = (__DRIsystemTimeExtension *) extensions[i];
+	if (strcmp(extensions[i]->name, __DRI_LOADER) == 0)
+	    psp->dri2.loader = (__DRIloaderExtension *) extensions[i];
+    }
+}
 
 /**
- * Utility function used to create a new driver-private screen structure.
+ * This is the bootstrap function for the driver.  libGL supplies all of the
+ * requisite information about the system, and the driver initializes itself.
+ * This routine also fills in the linked list pointed to by \c driver_modes
+ * with the \c __GLcontextModes that the driver can support for windows or
+ * pbuffers.
  * 
- * \param dpy   Display pointer
  * \param scrn  Index of the screen
  * \param psc   DRI screen data (not driver private)
  * \param modes Linked list of known display modes.  This list is, at a
@@ -942,44 +854,29 @@ static void driDestroyScreen(__DRInativeDisplay *dpy, int scrn, void *screenPriv
  *                              driver and libGL.
  * \param driverAPI Driver API functions used by other routines in dri_util.c.
  * 
- * \note
- * There is no need to check the minimum API version in this function.  Since
- * the \c __driCreateNewScreen function is versioned, it is impossible for a
- * loader that is too old to even load this driver.
+ * \note There is no need to check the minimum API version in this
+ * function.  Since the name of this function is versioned, it is
+ * impossible for a loader that is too old to even load this driver.
  */
-__DRIscreenPrivate *
-__driUtilCreateNewScreen(__DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			 __GLcontextModes * modes,
-			 const __DRIversion * ddx_version,
-			 const __DRIversion * dri_version,
-			 const __DRIversion * drm_version,
-			 const __DRIframebuffer * frame_buffer,
-			 drm_sarea_t *pSAREA,
-			 int fd,
-			 int internal_api_version,
-			 const struct __DriverAPIRec *driverAPI)
+static __DRIscreen *
+driCreateNewScreen(int scrn,
+		   const __DRIversion *ddx_version,
+		   const __DRIversion *dri_version,
+		   const __DRIversion *drm_version,
+		   const __DRIframebuffer *frame_buffer,
+		   drmAddress pSAREA, int fd, 
+		   const __DRIextension **extensions,
+		   const __DRIconfig ***driver_modes,
+		   void *loaderPrivate)
 {
-    __DRIscreenPrivate *psp;
-
-
-    api_ver = internal_api_version;
-
-    psp = (__DRIscreenPrivate *)_mesa_malloc(sizeof(__DRIscreenPrivate));
-    if (!psp) {
-	return NULL;
-    }
+    static const __DRIextension *emptyExtensionList[] = { NULL };
+    __DRIscreen *psp;
 
-    /* Create the hash table */
-    psp->drawHash = drmHashCreate();
-    if ( psp->drawHash == NULL ) {
-	_mesa_free( psp );
+    psp = _mesa_malloc(sizeof *psp);
+    if (!psp)
 	return NULL;
-    }
 
-    psp->display = dpy;
-    psp->myNum = scrn;
-    psp->psc = psc;
-    psp->modes = modes;
+    setupLoaderExtensions(psp, extensions);
 
     /*
     ** NOT_DONE: This is used by the X server to detect when the client
@@ -988,20 +885,12 @@ __driUtilCreateNewScreen(__DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
     */
     psp->drawLockID = 1;
 
-    psp->drmMajor = drm_version->major;
-    psp->drmMinor = drm_version->minor;
-    psp->drmPatch = drm_version->patch;
-    psp->ddxMajor = ddx_version->major;
-    psp->ddxMinor = ddx_version->minor;
-    psp->ddxPatch = ddx_version->patch;
-    psp->driMajor = dri_version->major;
-    psp->driMinor = dri_version->minor;
-    psp->driPatch = dri_version->patch;
-
-    /* install driver's callback functions */
-    memcpy( &psp->DriverAPI, driverAPI, sizeof(struct __DriverAPIRec) );
+    psp->drm_version = *drm_version;
+    psp->ddx_version = *ddx_version;
+    psp->dri_version = *dri_version;
 
     psp->pSAREA = pSAREA;
+    psp->lock = (drmLock *) &psp->pSAREA->lock;
 
     psp->pFB = frame_buffer->base;
     psp->fbSize = frame_buffer->size;
@@ -1012,7 +901,10 @@ __driUtilCreateNewScreen(__DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
     psp->pDevPriv = frame_buffer->dev_priv;
     psp->fbBPP = psp->fbStride * 8 / frame_buffer->width;
 
+    psp->extensions = emptyExtensionList;
     psp->fd = fd;
+    psp->myNum = scrn;
+    psp->dri2.enabled = GL_FALSE;
 
     /*
     ** Do not init dummy context here; actual initialization will be
@@ -1021,63 +913,143 @@ __driUtilCreateNewScreen(__DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
     */
     psp->dummyContextPriv.driScreenPriv = NULL;
 
-    psc->destroyScreen     = driDestroyScreen;
-    psc->createNewDrawable = driCreateNewDrawable;
-    psc->getDrawable       = driGetDrawable;
-    psc->getMSC            = driGetMSC;
-    psc->createNewContext  = driCreateNewContext;
-
-    if (internal_api_version >= 20070121)
-	psc->setTexOffset  = psp->DriverAPI.setTexOffset;
+    psp->DriverAPI = driDriverAPI;
 
-    if ( (psp->DriverAPI.InitDriver != NULL)
-	 && !(*psp->DriverAPI.InitDriver)(psp) ) {
-	_mesa_free( psp );
+    *driver_modes = driDriverAPI.InitScreen(psp);
+    if (*driver_modes == NULL) {
+	_mesa_free(psp);
 	return NULL;
     }
 
-
     return psp;
 }
 
 
-/**
- * Compare the current GLX API version with a driver supplied required version.
- * 
- * The minimum required version is compared with the API version exported by
- * the \c __glXGetInternalVersion function (in libGL.so).
- * 
- * \param   required_version Minimum required internal GLX API version.
- * \return  A tri-value return, as from strcmp is returned.  A value less
- *          than, equal to, or greater than zero will be returned if the
- *          internal GLX API version is less than, equal to, or greater
- *          than \c required_version.
- *
- * \sa __glXGetInternalVersion().
- */
-int driCompareGLXAPIVersion( GLint required_version )
+static __DRIscreen *
+dri2CreateNewScreen(int scrn, int fd, unsigned int sarea_handle,
+		    const __DRIextension **extensions,
+		    const __DRIconfig ***driver_configs, void *data)
 {
-   if ( api_ver > required_version ) {
-      return 1;
-   }
-   else if ( api_ver == required_version ) {
-      return 0;
-   }
+    static const __DRIextension *emptyExtensionList[] = { NULL };
+    __DRIscreen *psp;
+    unsigned int *p;
+    drmVersionPtr version;
+
+    if (driDriverAPI.InitScreen2 == NULL)
+        return NULL;
+
+    psp = _mesa_malloc(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->dri2.enabled = GL_TRUE;
+
+    if (drmBOReference(psp->fd, sarea_handle, &psp->dri2.sareaBO)) {
+	fprintf(stderr, "Failed to reference DRI2 sarea BO\n");
+	_mesa_free(psp);
+	return NULL;
+    }
+
+    if (drmBOMap(psp->fd, &psp->dri2.sareaBO,
+		 DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &psp->dri2.sarea)) {
+	drmBOUnreference(psp->fd, &psp->dri2.sareaBO);
+	_mesa_free(psp);
+	return NULL;
+    }
+
+    p = psp->dri2.sarea;
+    while (DRI2_SAREA_BLOCK_TYPE(*p)) {
+	switch (DRI2_SAREA_BLOCK_TYPE(*p)) {
+	case DRI2_SAREA_BLOCK_LOCK:
+	    psp->dri2.lock = (__DRILock *) p;
+	    break;
+	case DRI2_SAREA_BLOCK_EVENT_BUFFER:
+	    psp->dri2.buffer = (__DRIEventBuffer *) p;
+	    break;
+	}
+	p = DRI2_SAREA_BLOCK_NEXT(p);
+    }
+
+    psp->lock = (drmLock *) &psp->dri2.lock->lock;
 
-   return -1;
+    psp->DriverAPI = driDriverAPI;
+    *driver_configs = driDriverAPI.InitScreen2(psp);
+    if (*driver_configs == NULL) {
+	drmBOUnmap(psp->fd, &psp->dri2.sareaBO);
+	drmBOUnreference(psp->fd, &psp->dri2.sareaBO);
+	_mesa_free(psp);
+	return NULL;
+    }
+
+    psp->DriverAPI = driDriverAPI;
+
+    return psp;
 }
 
+static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+{
+    return psp->extensions;
+}
+
+const __DRIlegacyExtension driLegacyExtension = {
+    { __DRI_LEGACY, __DRI_LEGACY_VERSION },
+    driCreateNewScreen,
+    driCreateNewDrawable,
+    driCreateNewContext
+};
+
+const __DRIcoreExtension driCoreExtension = {
+    { __DRI_CORE, __DRI_CORE_VERSION },
+    dri2CreateNewScreen,
+    driDestroyScreen,
+    driGetExtensions,
+    driGetConfigAttrib,
+    driIndexConfigAttrib,
+    dri2CreateNewDrawable,
+    driDestroyDrawable,
+    driSwapBuffers,
+    dri2CreateNewContext,
+    driCopyContext,
+    driDestroyContext,
+    driBindContext,
+    driUnbindContext
+};
+
+/* This is the table of extensions that the loader will dlsym() for. */
+PUBLIC const __DRIextension *__driDriverExtensions[] = {
+    &driCoreExtension.base,
+    &driLegacyExtension.base,
+    NULL
+};
+
+static int
+driFrameTracking(__DRIdrawable *drawable, GLboolean enable)
+{
+    return GLX_BAD_CONTEXT;
+}
 
 static int
-driQueryFrameTracking( __DRInativeDisplay * dpy, void * priv,
-		       int64_t * sbc, int64_t * missedFrames,
-		       float * lastMissedUsage, float * usage )
+driQueryFrameTracking(__DRIdrawable *dpriv,
+		      int64_t * sbc, int64_t * missedFrames,
+		      float * lastMissedUsage, float * usage)
 {
    __DRIswapInfo   sInfo;
    int             status;
    int64_t         ust;
-   __DRIdrawablePrivate * dpriv = (__DRIdrawablePrivate *) priv;
-
+   __DRIscreenPrivate *psp = dpriv->driScreenPriv;
 
    status = dpriv->driScreenPriv->DriverAPI.GetSwapInfo( dpriv, & sInfo );
    if ( status == 0 ) {
@@ -1085,13 +1057,18 @@ driQueryFrameTracking( __DRInativeDisplay * dpy, void * priv,
       *missedFrames = sInfo.swap_missed_count;
       *lastMissedUsage = sInfo.swap_missed_usage;
 
-      (*dri_interface->getUST)( & ust );
+      (*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    
+};
 
 /**
  * Calculate amount of swap interval used between GLX buffer swaps.
@@ -1129,11 +1106,10 @@ driCalculateSwapUsage( __DRIdrawablePrivate *dPriv, int64_t last_swap_ust,
    int32_t   d;
    int       interval;
    float     usage = 1.0;
+   __DRIscreenPrivate *psp = dPriv->driScreenPriv;
 
-
-   if ( (*dri_interface->getMSCRate)( dPriv->display, dPriv->draw, &n, &d ) ) {
-      interval = (dPriv->pdraw->swap_interval != 0)
-	  ? dPriv->pdraw->swap_interval : 1;
+   if ( (*psp->systemTime->getMSCRate)(dPriv, &n, &d, dPriv->loaderPrivate) ) {
+      interval = (dPriv->swap_interval != 0) ? dPriv->swap_interval : 1;
 
 
       /* We want to calculate
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h
index 027cb7f461..f2bc456307 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -1,3 +1,24 @@
+/**
+ * \file dri_util.h
+ * DRI utility functions definitions.
+ *
+ * This module acts as glue between GLX and the actual hardware driver.  A DRI
+ * driver doesn't really \e have to use any of this - it's optional.  But, some
+ * useful stuff is done here that otherwise would have to be duplicated in most
+ * drivers.
+ * 
+ * Basically, these utility functions take care of some of the dirty details of
+ * screen initialization, context creation, context binding, DRM setup, etc.
+ *
+ * These functions are compiled into each DRI driver so libGL.so knows nothing
+ * about them.
+ *
+ * \sa dri_util.c.
+ * 
+ * \author Kevin E. Martin <kevin@precisioninsight.com>
+ * \author Brian Paul <brian@precisioninsight.com>
+ */
+
 /*
  * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
  * All Rights Reserved.
@@ -23,46 +44,37 @@
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-/**
- * \file dri_util.h
- * DRI utility functions definitions.
- *
- * This module acts as glue between GLX and the actual hardware driver.  A DRI
- * driver doesn't really \e have to use any of this - it's optional.  But, some
- * useful stuff is done here that otherwise would have to be duplicated in most
- * drivers.
- * 
- * Basically, these utility functions take care of some of the dirty details of
- * screen initialization, context creation, context binding, DRM setup, etc.
- *
- * These functions are compiled into each DRI driver so libGL.so knows nothing
- * about them.
- *
- * \sa dri_util.c.
- * 
- * \author Kevin E. Martin <kevin@precisioninsight.com>
- * \author Brian Paul <brian@precisioninsight.com>
- */
 
 #ifndef _DRI_UTIL_H_
 #define _DRI_UTIL_H_
 
 #include <GL/gl.h>
-#include "drm.h"
-#include "drm_sarea.h"
-#include "xf86drm.h"
+#include <drm.h>
+#include <drm_sarea.h>
+#include <xf86drm.h>
 #include "GL/internal/glcore.h"
 #include "GL/internal/dri_interface.h"
+#include "GL/internal/dri_sarea.h"
 
 #define GLX_BAD_CONTEXT                    5
 
-typedef struct __DRIdisplayPrivateRec  __DRIdisplayPrivate;
-typedef struct __DRIscreenPrivateRec   __DRIscreenPrivate;
-typedef struct __DRIcontextPrivateRec  __DRIcontextPrivate;
-typedef struct __DRIdrawablePrivateRec __DRIdrawablePrivate;
 typedef struct __DRIswapInfoRec        __DRIswapInfo;
-typedef struct __DRIutilversionRec2    __DRIutilversion2;
 
+/* Typedefs to avoid rewriting the world. */
+typedef struct __DRIscreenRec	__DRIscreenPrivate;
+typedef struct __DRIdrawableRec	__DRIdrawablePrivate;
+typedef struct __DRIcontextRec	__DRIcontextPrivate;
+
+/**
+ * Extensions.
+ */
+extern const __DRIlegacyExtension driLegacyExtension;
+extern const __DRIcoreExtension driCoreExtension;
+extern const __DRIextension driReadDrawableExtension;
+extern const __DRIcopySubBufferExtension driCopySubBufferExtension;
+extern const __DRIswapControlExtension driSwapControlExtension;
+extern const __DRIframeTrackingExtension driFrameTrackingExtension;
+extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension;
 
 /**
  * Used by DRI_VALIDATE_DRAWABLE_INFO
@@ -78,7 +90,7 @@ typedef struct __DRIutilversionRec2    __DRIutilversion2;
 /**
  * Utility macro to validate the drawable information.
  *
- * See __DRIdrawablePrivate::pStamp and __DRIdrawablePrivate::lastStamp.
+ * See __DRIdrawable::pStamp and __DRIdrawable::lastStamp.
  */
 #define DRI_VALIDATE_DRAWABLE_INFO(psp, pdp)                            \
 do {                                                                    \
@@ -107,94 +119,103 @@ do {                                                                    \
  * this structure.
  */
 struct __DriverAPIRec {
-    /** 
-     * Driver initialization callback
-     */
-    GLboolean (*InitDriver)(__DRIscreenPrivate *driScrnPriv);
-    
+    const __DRIconfig **(*InitScreen) (__DRIscreen * priv);
+
     /**
      * Screen destruction callback
      */
-    void (*DestroyScreen)(__DRIscreenPrivate *driScrnPriv);
+    void (*DestroyScreen)(__DRIscreen *driScrnPriv);
 
     /**
      * Context creation callback
      */	    	    
     GLboolean (*CreateContext)(const __GLcontextModes *glVis,
-                               __DRIcontextPrivate *driContextPriv,
+                               __DRIcontext *driContextPriv,
                                void *sharedContextPrivate);
 
     /**
      * Context destruction callback
      */
-    void (*DestroyContext)(__DRIcontextPrivate *driContextPriv);
+    void (*DestroyContext)(__DRIcontext *driContextPriv);
 
     /**
      * Buffer (drawable) creation callback
      */
-    GLboolean (*CreateBuffer)(__DRIscreenPrivate *driScrnPriv,
-                              __DRIdrawablePrivate *driDrawPriv,
+    GLboolean (*CreateBuffer)(__DRIscreen *driScrnPriv,
+                              __DRIdrawable *driDrawPriv,
                               const __GLcontextModes *glVis,
                               GLboolean pixmapBuffer);
     
     /**
      * Buffer (drawable) destruction callback
      */
-    void (*DestroyBuffer)(__DRIdrawablePrivate *driDrawPriv);
+    void (*DestroyBuffer)(__DRIdrawable *driDrawPriv);
 
     /**
      * Buffer swapping callback 
      */
-    void (*SwapBuffers)(__DRIdrawablePrivate *driDrawPriv);
+    void (*SwapBuffers)(__DRIdrawable *driDrawPriv);
 
     /**
      * Context activation callback
      */
-    GLboolean (*MakeCurrent)(__DRIcontextPrivate *driContextPriv,
-                             __DRIdrawablePrivate *driDrawPriv,
-                             __DRIdrawablePrivate *driReadPriv);
+    GLboolean (*MakeCurrent)(__DRIcontext *driContextPriv,
+                             __DRIdrawable *driDrawPriv,
+                             __DRIdrawable *driReadPriv);
 
     /**
      * Context unbinding callback
      */
-    GLboolean (*UnbindContext)(__DRIcontextPrivate *driContextPriv);
+    GLboolean (*UnbindContext)(__DRIcontext *driContextPriv);
   
     /**
      * Retrieves statistics about buffer swap operations.  Required if
      * GLX_OML_sync_control or GLX_MESA_swap_frame_usage is supported.
      */
-    int (*GetSwapInfo)( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo );
-
+    int (*GetSwapInfo)( __DRIdrawable *dPriv, __DRIswapInfo * sInfo );
 
-    /**
-     * Required if GLX_SGI_video_sync or GLX_OML_sync_control is
-     * supported.
-     */
-    int (*GetMSC)( __DRIscreenPrivate * priv, int64_t * count );
 
     /**
      * These are required if GLX_OML_sync_control is supported.
      */
     /*@{*/
-    int (*WaitForMSC)( __DRIdrawablePrivate *priv, int64_t target_msc, 
+    int (*WaitForMSC)( __DRIdrawable *priv, int64_t target_msc, 
 		       int64_t divisor, int64_t remainder,
 		       int64_t * msc );
-    int (*WaitForSBC)( __DRIdrawablePrivate *priv, int64_t target_sbc,
+    int (*WaitForSBC)( __DRIdrawable *priv, int64_t target_sbc,
 		       int64_t * msc, int64_t * sbc );
 
-    int64_t (*SwapBuffersMSC)( __DRIdrawablePrivate *priv, int64_t target_msc,
+    int64_t (*SwapBuffersMSC)( __DRIdrawable *priv, int64_t target_msc,
 			       int64_t divisor, int64_t remainder );
     /*@}*/
-    void (*CopySubBuffer)(__DRIdrawablePrivate *driDrawPriv,
+    void (*CopySubBuffer)(__DRIdrawable *driDrawPriv,
 			  int x, int y, int w, int h);
 
     /**
-     * See corresponding field in \c __DRIscreenRec.
+     * New version of GetMSC so we can pass drawable data to the low
+     * level DRM driver (e.g. pipe info).  Required if
+     * GLX_SGI_video_sync or GLX_OML_sync_control is supported.
      */
-    void (*setTexOffset)(__DRIcontext *pDRICtx, GLint texname,
-			 unsigned long long offset, GLint depth, GLuint pitch);
+    int (*GetDrawableMSC) ( __DRIscreen * priv,
+			    __DRIdrawable *drawablePrivate,
+			    int64_t *count);
+
+
+
+    /* DRI2 Entry points */
+    const __DRIconfig **(*InitScreen2) (__DRIscreen * priv);
+    void (*HandleDrawableConfig)(__DRIdrawable *dPriv,
+				__DRIcontext *pcp,
+				__DRIDrawableConfigEvent *event);
+
+    void (*HandleBufferAttach)(__DRIdrawable *dPriv,
+			       __DRIcontext *pcp,
+			       __DRIBufferAttachEvent *ba);
+
 };
 
+extern const struct __DriverAPIRec driDriverAPI;
+
 
 struct __DRIswapInfoRec {
     /** 
@@ -230,7 +251,7 @@ struct __DRIswapInfoRec {
 /**
  * Per-drawable private DRI driver information.
  */
-struct __DRIdrawablePrivateRec {
+struct __DRIdrawableRec {
     /**
      * Kernel drawable handle
      */
@@ -244,10 +265,10 @@ struct __DRIdrawablePrivateRec {
     void *driverPrivate;
 
     /**
-     * X's drawable ID associated with this private drawable.
+     * Private data from the loader.  We just hold on to it and pass
+     * it back when calling into loader provided functions.
      */
-    __DRIid draw;
-    __DRIdrawable *pdraw;
+    void *loaderPrivate;
 
     /**
      * Reference count for number of context's currently bound to this
@@ -272,7 +293,7 @@ struct __DRIdrawablePrivateRec {
     /**
      * Last value of the stamp.
      *
-     * If this differs from the value stored at __DRIdrawablePrivate::pStamp,
+     * If this differs from the value stored at __DRIdrawable::pStamp,
      * then the drawable information has been modified by the X server, and the
      * drawable information (below) should be retrieved from the X server.
      */
@@ -306,41 +327,56 @@ struct __DRIdrawablePrivateRec {
     /*@}*/
 
     /**
-     * Pointer to context to which this drawable is currently bound.
+     * \name Vertical blank tracking information
+     * Used for waiting on vertical blank events.
      */
-    __DRIcontextPrivate *driContextPriv;
+    /*@{*/
+    unsigned int vblSeq;
+    unsigned int vblFlags;
+    /*@}*/
 
     /**
-     * Pointer to screen on which this drawable was created.
+     * \name Monotonic MSC tracking
+     *
+     * Low level driver is responsible for updating msc_base and
+     * vblSeq values so that higher level code can calculate
+     * a new msc value or msc target for a WaitMSC call.  The new value
+     * will be:
+     *   msc = msc_base + get_vblank_count() - vblank_base;
+     *
+     * And for waiting on a value, core code will use:
+     *   actual_target = target_msc - msc_base + vblank_base;
+     */
+    /*@{*/
+    int64_t vblank_base;
+    int64_t msc_base;
+    /*@}*/
+
+    /**
+     * Pointer to context to which this drawable is currently bound.
      */
-    __DRIscreenPrivate *driScreenPriv;
+    __DRIcontext *driContextPriv;
 
     /**
-     * \name Display and screen information.
-     * 
-     * Basically just need these for when the locking code needs to call
-     * \c __driUtilUpdateDrawableInfo.
+     * Pointer to screen on which this drawable was created.
      */
-    /*@{*/
-    __DRInativeDisplay *display;
-    int screen;
-    /*@}*/
+    __DRIscreen *driScreenPriv;
 
     /**
-     * Called via glXSwapBuffers().
+     * Controls swap interval as used by GLX_SGI_swap_control and
+     * GLX_MESA_swap_control.
      */
-    void (*swapBuffers)( __DRIdrawablePrivate *dPriv );
+    unsigned int swap_interval;
+    struct {
+	unsigned int tail;
+	unsigned int drawable_id;
+    } dri2;
 };
 
 /**
  * Per-context private driver information.
  */
-struct __DRIcontextPrivateRec {
-    /**
-     * Kernel context handle used to access the device lock.
-     */
-    __DRIid contextID;
-
+struct __DRIcontextRec {
     /**
      * Kernel context handle used to access the device lock.
      */
@@ -352,35 +388,30 @@ struct __DRIcontextPrivateRec {
     void *driverPrivate;
 
     /**
-     * This context's display pointer.
+     * Pointer back to the \c __DRIcontext that contains this structure.
      */
-    __DRInativeDisplay *display;
+    __DRIcontext *pctx;
 
     /**
      * Pointer to drawable currently bound to this context for drawing.
      */
-    __DRIdrawablePrivate *driDrawablePriv;
+    __DRIdrawable *driDrawablePriv;
 
     /**
      * Pointer to drawable currently bound to this context for reading.
      */
-    __DRIdrawablePrivate *driReadablePriv;
+    __DRIdrawable *driReadablePriv;
 
     /**
      * Pointer to screen on which this context was created.
      */
-    __DRIscreenPrivate *driScreenPriv;
+    __DRIscreen *driScreenPriv;
 };
 
 /**
  * Per-screen private driver information.
  */
-struct __DRIscreenPrivateRec {
-    /**
-     * Display for this screen
-     */
-    __DRInativeDisplay *display;
-
+struct __DRIscreenRec {
     /**
      * Current screen's number
      */
@@ -391,38 +422,21 @@ struct __DRIscreenPrivateRec {
      */
     struct __DriverAPIRec DriverAPI;
 
+    const __DRIextension **extensions;
     /**
-     * \name DDX version
      * DDX / 2D driver version information.
-     * \todo Replace these fields with a \c __DRIversionRec.
      */
-    /*@{*/
-    int ddxMajor;
-    int ddxMinor;
-    int ddxPatch;
-    /*@}*/
+    __DRIversion ddx_version;
 
     /**
-     * \name DRI version
      * DRI X extension version information.
-     * \todo Replace these fields with a \c __DRIversionRec.
      */
-    /*@{*/
-    int driMajor;
-    int driMinor;
-    int driPatch;
-    /*@}*/
+    __DRIversion dri_version;
 
     /**
-     * \name DRM version
      * DRM (kernel module) version information.
-     * \todo Replace these fields with a \c __DRIversionRec.
      */
-    /*@{*/
-    int drmMajor;
-    int drmMinor;
-    int drmPatch;
-    /*@}*/
+    __DRIversion drm_version;
 
     /**
      * ID used when the client sets the drawable lock.
@@ -485,12 +499,7 @@ struct __DRIscreenPrivateRec {
      * context is created when the first "real" context is created on this
      * screen.
      */
-    __DRIcontextPrivate dummyContextPriv;
-
-    /**
-     * Hash table to hold the drawable information for this screen.
-     */
-    void *drawHash;
+    __DRIcontext dummyContextPriv;
 
     /**
      * Device-dependent private information (not stored in the SAREA).
@@ -500,65 +509,45 @@ struct __DRIscreenPrivateRec {
     void *private;
 
     /**
-     * GLX visuals / FBConfigs for this screen.  These are stored as a
-     * linked list.
-     * 
-     * \note
-     * This field is \b only used in conjunction with the old interfaces.  If
-     * the new interfaces are used, this field will be set to \c NULL and will
-     * not be dereferenced.
-     */
-    __GLcontextModes *modes;
-
-    /**
      * Pointer back to the \c __DRIscreen that contains this structure.
      */
-
     __DRIscreen *psc;
-};
 
-
-/**
- * Used to store a version which includes a major range instead of a single
- * major version number.
- */
-struct __DRIutilversionRec2 {
-    int    major_min;    /** min allowed Major version number. */
-    int    major_max;    /** max allowed Major version number. */
-    int    minor;        /**< Minor version number. */
-    int    patch;        /**< Patch-level. */
+    /* Extensions provided by the loader. */
+    const __DRIgetDrawableInfoExtension *getDrawableInfo;
+    const __DRIsystemTimeExtension *systemTime;
+    const __DRIdamageExtension *damage;
+
+    struct {
+	/* Flag to indicate that this is a DRI2 screen.  Many of the above
+	 * fields will not be valid or initializaed in that case. */
+	int enabled;
+	drmBO sareaBO;
+	void *sarea;
+	__DRIEventBuffer *buffer;
+	__DRILock *lock;
+	__DRIloaderExtension *loader;
+    } dri2;
+
+    /* The lock actually in use, old sarea or DRI2 */
+    drmLock *lock;
 };
 
-
 extern void
 __driUtilMessage(const char *f, ...);
 
 
 extern void
-__driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp);
-
-
-extern __DRIscreenPrivate * __driUtilCreateNewScreen( __DRInativeDisplay *dpy,
-    int scrn, __DRIscreen *psc, __GLcontextModes * modes,
-    const __DRIversion * ddx_version, const __DRIversion * dri_version,
-    const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer,
-    drm_sarea_t *pSAREA, int fd, int internal_api_version,
-    const struct __DriverAPIRec *driverAPI );
+__driUtilUpdateDrawableInfo(__DRIdrawable *pdp);
 
-/* Test the version of the internal GLX API.  Returns a value like strcmp. */
 extern int
-driCompareGLXAPIVersion( GLint required_version );
+__driParseEvents(__DRIcontext *psp, __DRIdrawable *pdp);
 
 extern float
-driCalculateSwapUsage( __DRIdrawablePrivate *dPriv,
+driCalculateSwapUsage( __DRIdrawable *dPriv,
 		       int64_t last_swap_ust, int64_t current_ust );
 
-/**
- * Pointer to the \c __DRIinterfaceMethods passed to the driver by the loader.
- * 
- * This pointer is set in the driver's \c __driCreateNewScreen function and
- * is defined in dri_util.c.
- */
-extern const __DRIinterfaceMethods * dri_interface;
+extern GLint
+driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 );
 
 #endif /* _DRI_UTIL_H_ */
diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.c b/src/mesa/drivers/dri/common/drirenderbuffer.c
index d34da53479..d36af3e5be 100644
--- a/src/mesa/drivers/dri/common/drirenderbuffer.c
+++ b/src/mesa/drivers/dri/common/drirenderbuffer.c
@@ -209,8 +209,6 @@ driUpdateFramebufferSize(GLcontext *ctx, const __DRIdrawablePrivate *dPriv)
    struct gl_framebuffer *fb = (struct gl_framebuffer *) dPriv->driverPrivate;
    if (fb && (dPriv->w != fb->Width || dPriv->h != fb->Height)) {
       ctx->Driver.ResizeBuffers(ctx, fb, dPriv->w, dPriv->h);
-      /* if the driver needs the hw lock for ResizeBuffers, the drawable
-         might have changed again by now */
       assert(fb->Width == dPriv->w);
       assert(fb->Height == dPriv->h);
    }
diff --git a/src/mesa/drivers/dri/common/spantmp2.h b/src/mesa/drivers/dri/common/spantmp2.h
index 50f3cf5581..53f5f846a0 100644
--- a/src/mesa/drivers/dri/common/spantmp2.h
+++ b/src/mesa/drivers/dri/common/spantmp2.h
@@ -114,7 +114,7 @@
     do {                                                                \
         GLuint p = *(volatile GLuint *) GET_PTR(_x, _y);                \
        __asm__ __volatile__( "bswap	%0; rorl $8, %0"                \
-				: "=r" (p) : "r" (p) );                 \
+				: "=r" (p) : "0" (p) );                 \
        ((GLuint *)rgba)[0] = p;                                         \
     } while (0)
 # elif defined( MESA_BIG_ENDIAN )
diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c
index 6a189e7285..7fbe0d855d 100644
--- a/src/mesa/drivers/dri/common/utils.c
+++ b/src/mesa/drivers/dri/common/utils.c
@@ -419,21 +419,6 @@ driCheckDriDdxDrmVersions2(const char * driver_name,
 				drmActual, drmExpected);
 }
 
-
-
-GLint
-driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 )
-{
-   if (rect2.x1 > rect1.x1) rect1.x1 = rect2.x1;
-   if (rect2.x2 < rect1.x2) rect1.x2 = rect2.x2;
-   if (rect2.y1 > rect1.y1) rect1.y1 = rect2.y1;
-   if (rect2.y2 < rect1.y2) rect1.y2 = rect2.y2;
-
-   if (rect1.x1 > rect1.x2 || rect1.y1 > rect1.y2) return 0;
-
-   return (rect1.x2 - rect1.x1) * (rect1.y2 - rect1.y1);
-}
-
 GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
 				    GLint *x, GLint *y,
 				    GLsizei *width, GLsizei *height )
@@ -467,8 +452,6 @@ GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
    return GL_TRUE;
 }
 
-
-
 /**
  * Creates a set of \c __GLcontextModes that a driver will expose.
  * 
@@ -536,86 +519,99 @@ GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
  * \c GL_UNSIGNED_3BYTE_8_8_8, \c GL_4FLOAT_32_32_32_32, 
  * \c GL_4HALF_16_16_16_16, etc.  We can cross that bridge when we come to it.
  */
-GLboolean
-driFillInModes( __GLcontextModes ** ptr_to_modes,
-		GLenum fb_format, GLenum fb_type,
-		const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
-		unsigned num_depth_stencil_bits,
-		const GLenum * db_modes, unsigned num_db_modes,
-		int visType )
+__DRIconfig **
+driCreateConfigs(GLenum fb_format, GLenum fb_type,
+		 const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
+		 unsigned num_depth_stencil_bits,
+		 const GLenum * db_modes, unsigned num_db_modes)
 {
-   static const u_int8_t bits_table[3][4] = {
+   static const u_int8_t bits_table[4][4] = {
      /* R  G  B  A */
+      { 3, 3, 2, 0 }, /* Any GL_UNSIGNED_BYTE_3_3_2 */
       { 5, 6, 5, 0 }, /* Any GL_UNSIGNED_SHORT_5_6_5 */
       { 8, 8, 8, 0 }, /* Any RGB with any GL_UNSIGNED_INT_8_8_8_8 */
       { 8, 8, 8, 8 }  /* Any RGBA with any GL_UNSIGNED_INT_8_8_8_8 */
    };
 
-   /* The following arrays are all indexed by the fb_type masked with 0x07.
-    * Given the four supported fb_type values, this results in valid array
-    * indices of 3, 4, 5, and 7.
-    */
-   static const u_int32_t masks_table_rgb[8][4] = {
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+   static const u_int32_t masks_table_rgb[6][4] = {
+      { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 3_3_2       */
+      { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 2_3_3_REV   */
       { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5       */
       { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV   */
       { 0xFF000000, 0x00FF0000, 0x0000FF00, 0x00000000 }, /* 8_8_8_8     */
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
       { 0x000000FF, 0x0000FF00, 0x00FF0000, 0x00000000 }  /* 8_8_8_8_REV */
    };
 
-   static const u_int32_t masks_table_rgba[8][4] = {
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+   static const u_int32_t masks_table_rgba[6][4] = {
+      { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 3_3_2       */
+      { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 2_3_3_REV   */
       { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5       */
       { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5_REV   */
       { 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF }, /* 8_8_8_8     */
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
       { 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 }, /* 8_8_8_8_REV */
    };
 
-   static const u_int32_t masks_table_bgr[8][4] = {
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+   static const u_int32_t masks_table_bgr[6][4] = {
+      { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 3_3_2       */
+      { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 2_3_3_REV   */
       { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5       */
       { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV   */
       { 0x0000FF00, 0x00FF0000, 0xFF000000, 0x00000000 }, /* 8_8_8_8     */
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
       { 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 }, /* 8_8_8_8_REV */
    };
 
-   static const u_int32_t masks_table_bgra[8][4] = {
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
+   static const u_int32_t masks_table_bgra[6][4] = {
+      { 0x00000007, 0x00000038, 0x000000C0, 0x00000000 }, /* 3_3_2       */
+      { 0x000000E0, 0x0000001C, 0x00000003, 0x00000000 }, /* 2_3_3_REV   */
       { 0x0000001F, 0x000007E0, 0x0000F800, 0x00000000 }, /* 5_6_5       */
       { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, /* 5_6_5_REV   */
       { 0x0000FF00, 0x00FF0000, 0xFF000000, 0x000000FF }, /* 8_8_8_8     */
-      { 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
       { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 }, /* 8_8_8_8_REV */
    };
 
-   static const u_int8_t bytes_per_pixel[8] = {
-      0, 0, 0, 2, 2, 4, 0, 4
+   static const u_int8_t bytes_per_pixel[6] = {
+      1, /* 3_3_2       */
+      1, /* 2_3_3_REV   */
+      2, /* 5_6_5       */
+      2, /* 5_6_5_REV   */
+      4, /* 8_8_8_8     */
+      4  /* 8_8_8_8_REV */
    };
 
    const u_int8_t  * bits;
    const u_int32_t * masks;
-   const int index = fb_type & 0x07;
-   __GLcontextModes * modes = *ptr_to_modes;
+   int index;
+   __DRIconfig **configs, **c;
+   __GLcontextModes *modes;
    unsigned i;
    unsigned j;
    unsigned k;
-
-
-   if ( bytes_per_pixel[ index ] == 0 ) {
-      fprintf( stderr, "[%s:%u] Framebuffer type 0x%04x has 0 bytes per pixel.\n",
-	       __FUNCTION__, __LINE__, fb_type );
-      return GL_FALSE;
+   unsigned num_modes;
+   unsigned num_accum_bits = 2;
+
+   switch ( fb_type ) {
+      case GL_UNSIGNED_BYTE_3_3_2:
+	 index = 0;
+	 break;
+      case GL_UNSIGNED_BYTE_2_3_3_REV:
+	 index = 1;
+	 break;
+      case GL_UNSIGNED_SHORT_5_6_5:
+	 index = 2;
+	 break;
+      case GL_UNSIGNED_SHORT_5_6_5_REV:
+	 index = 3;
+	 break;
+      case GL_UNSIGNED_INT_8_8_8_8:
+	 index = 4;
+	 break;
+      case GL_UNSIGNED_INT_8_8_8_8_REV:
+	 index = 5;
+	 break;
+      default:
+	 fprintf( stderr, "[%s:%u] Unknown framebuffer type 0x%04x.\n",
+               __FUNCTION__, __LINE__, fb_type );
+	 return NULL;
    }
 
 
@@ -627,40 +623,55 @@ driFillInModes( __GLcontextModes ** ptr_to_modes,
 
    switch ( fb_format ) {
       case GL_RGB:
-         bits = (bytes_per_pixel[ index ] == 2)
-	     ? bits_table[0] : bits_table[1];
          masks = masks_table_rgb[ index ];
          break;
 
       case GL_RGBA:
-         bits = (bytes_per_pixel[ index ] == 2)
-	     ? bits_table[0] : bits_table[2];
          masks = masks_table_rgba[ index ];
          break;
 
       case GL_BGR:
-         bits = (bytes_per_pixel[ index ] == 2)
-	     ? bits_table[0] : bits_table[1];
          masks = masks_table_bgr[ index ];
          break;
 
       case GL_BGRA:
-         bits = (bytes_per_pixel[ index ] == 2)
-	     ? bits_table[0] : bits_table[2];
          masks = masks_table_bgra[ index ];
          break;
 
       default:
-         fprintf( stderr, "[%s:%u] Framebuffer format 0x%04x is not GL_RGB, GL_RGBA, GL_BGR, or GL_BGRA.\n",
-	       __FUNCTION__, __LINE__, fb_format );
-         return GL_FALSE;
+         fprintf( stderr, "[%s:%u] Unknown framebuffer format 0x%04x.\n",
+               __FUNCTION__, __LINE__, fb_format );
+         return NULL;
+   }
+
+   switch ( bytes_per_pixel[ index ] ) {
+      case 1:
+	 bits = bits_table[0];
+	 break;
+      case 2:
+	 bits = bits_table[1];
+	 break;
+      default:
+	 bits = ((fb_format == GL_RGB) || (fb_format == GL_BGR))
+	    ? bits_table[2]
+	    : bits_table[3];
+	 break;
    }
 
+   num_modes = num_depth_stencil_bits * num_db_modes * num_accum_bits;
+   configs = _mesa_calloc((num_modes + 1) * sizeof *configs);
+   if (configs == NULL)
+       return NULL;
 
+    c = configs;
     for ( k = 0 ; k < num_depth_stencil_bits ; k++ ) {
 	for ( i = 0 ; i < num_db_modes ; i++ ) {
-	    for ( j = 0 ; j < 2 ; j++ ) {
+	    for ( j = 0 ; j < num_accum_bits ; j++ ) {
+		*c = _mesa_malloc (sizeof **c);
+		modes = &(*c)->modes;
+		c++;
 
+		memset(modes, 0, sizeof *modes);
 		modes->redBits   = bits[0];
 		modes->greenBits = bits[1];
 		modes->blueBits  = bits[2];
@@ -681,7 +692,13 @@ driFillInModes( __GLcontextModes ** ptr_to_modes,
 		modes->stencilBits = stencil_bits[k];
 		modes->depthBits = depth_bits[k];
 
-		modes->visualType = visType;
+		modes->transparentPixel = GLX_NONE;
+		modes->transparentRed = GLX_DONT_CARE;
+		modes->transparentGreen = GLX_DONT_CARE;
+		modes->transparentBlue = GLX_DONT_CARE;
+		modes->transparentAlpha = GLX_DONT_CARE;
+		modes->transparentIndex = GLX_DONT_CARE;
+		modes->visualType = GLX_DONT_CARE;
 		modes->renderType = GLX_RGBA_BIT;
 		modes->drawableType = GLX_WINDOW_BIT;
 		modes->rgbMode = GL_TRUE;
@@ -701,11 +718,155 @@ driFillInModes( __GLcontextModes ** ptr_to_modes,
 		modes->haveDepthBuffer = (modes->depthBits > 0);
 		modes->haveStencilBuffer = (modes->stencilBits > 0);
 
-		modes = modes->next;
+		modes->bindToTextureRgb = GL_TRUE;
+		modes->bindToTextureRgba = GL_TRUE;
+		modes->bindToMipmapTexture = GL_FALSE;
+		modes->bindToTextureTargets = modes->rgbMode ?
+		    __DRI_ATTRIB_TEXTURE_1D_BIT |
+		    __DRI_ATTRIB_TEXTURE_2D_BIT |
+		    __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT :
+		    0;
 	    }
 	}
     }
+    *c = NULL;
+
+    return configs;
+}
+
+const __DRIconfig **driConcatConfigs(__DRIconfig **a, __DRIconfig **b)
+{
+    const __DRIconfig **all;
+    int i, j, index;
+
+    i = 0;
+    while (a[i] != NULL)
+	i++;
+    j = 0;
+    while (b[j] != NULL)
+	j++;
+   
+    all = _mesa_malloc((i + j + 1) * sizeof *all);
+    index = 0;
+    for (i = 0; a[i] != NULL; i++)
+	all[index++] = a[i];
+    for (j = 0; b[j] != NULL; j++)
+	all[index++] = b[j];
+    all[index++] = NULL;
+
+    _mesa_free(a);
+    _mesa_free(b);
+
+    return all;
+}
+
+#define __ATTRIB(attrib, field) \
+    { attrib, offsetof(__GLcontextModes, field) }
+
+static const struct { unsigned int attrib, offset; } attribMap[] = {
+    __ATTRIB(__DRI_ATTRIB_BUFFER_SIZE,			rgbBits),
+    __ATTRIB(__DRI_ATTRIB_LEVEL,			level),
+    __ATTRIB(__DRI_ATTRIB_RED_SIZE,			redBits),
+    __ATTRIB(__DRI_ATTRIB_GREEN_SIZE,			greenBits),
+    __ATTRIB(__DRI_ATTRIB_BLUE_SIZE,			blueBits),
+    __ATTRIB(__DRI_ATTRIB_ALPHA_SIZE,			alphaBits),
+    __ATTRIB(__DRI_ATTRIB_DEPTH_SIZE,			depthBits),
+    __ATTRIB(__DRI_ATTRIB_STENCIL_SIZE,			stencilBits),
+    __ATTRIB(__DRI_ATTRIB_ACCUM_RED_SIZE,		accumRedBits),
+    __ATTRIB(__DRI_ATTRIB_ACCUM_GREEN_SIZE,		accumGreenBits),
+    __ATTRIB(__DRI_ATTRIB_ACCUM_BLUE_SIZE,		accumBlueBits),
+    __ATTRIB(__DRI_ATTRIB_ACCUM_ALPHA_SIZE,		accumAlphaBits),
+    __ATTRIB(__DRI_ATTRIB_SAMPLE_BUFFERS,		sampleBuffers),
+    __ATTRIB(__DRI_ATTRIB_SAMPLES,			samples),
+    __ATTRIB(__DRI_ATTRIB_DOUBLE_BUFFER,		doubleBufferMode),
+    __ATTRIB(__DRI_ATTRIB_STEREO,			stereoMode),
+    __ATTRIB(__DRI_ATTRIB_AUX_BUFFERS,			numAuxBuffers),
+    __ATTRIB(__DRI_ATTRIB_TRANSPARENT_TYPE,		transparentPixel),
+    __ATTRIB(__DRI_ATTRIB_TRANSPARENT_INDEX_VALUE,	transparentPixel),
+    __ATTRIB(__DRI_ATTRIB_TRANSPARENT_RED_VALUE,	transparentRed),
+    __ATTRIB(__DRI_ATTRIB_TRANSPARENT_GREEN_VALUE,	transparentGreen),
+    __ATTRIB(__DRI_ATTRIB_TRANSPARENT_BLUE_VALUE,	transparentBlue),
+    __ATTRIB(__DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE,	transparentAlpha),
+    __ATTRIB(__DRI_ATTRIB_FLOAT_MODE,			floatMode),
+    __ATTRIB(__DRI_ATTRIB_RED_MASK,			redMask),
+    __ATTRIB(__DRI_ATTRIB_GREEN_MASK,			greenMask),
+    __ATTRIB(__DRI_ATTRIB_BLUE_MASK,			blueMask),
+    __ATTRIB(__DRI_ATTRIB_ALPHA_MASK,			alphaMask),
+    __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_WIDTH,		maxPbufferWidth),
+    __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_HEIGHT,		maxPbufferHeight),
+    __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_PIXELS,		maxPbufferPixels),
+    __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH,	optimalPbufferWidth),
+    __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT,	optimalPbufferHeight),
+    __ATTRIB(__DRI_ATTRIB_SWAP_METHOD,			swapMethod),
+    __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGB,		bindToTextureRgb),
+    __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA,		bindToTextureRgba),
+    __ATTRIB(__DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE,	bindToMipmapTexture),
+    __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS,	bindToTextureTargets),
+    __ATTRIB(__DRI_ATTRIB_YINVERTED,			yInverted),
+
+    /* The struct field doesn't matter here, these are handled by the
+     * switch in driGetConfigAttribIndex.  We need them in the array
+     * so the iterator includes them though.*/
+    __ATTRIB(__DRI_ATTRIB_RENDER_TYPE,			level),
+    __ATTRIB(__DRI_ATTRIB_CONFIG_CAVEAT,		level),
+    __ATTRIB(__DRI_ATTRIB_SWAP_METHOD,			level)
+};
+
+#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
+
+static int
+driGetConfigAttribIndex(const __DRIconfig *config,
+			unsigned int index, unsigned int *value)
+{
+    switch (attribMap[index].attrib) {
+    case __DRI_ATTRIB_RENDER_TYPE:
+	if (config->modes.rgbMode)
+	    *value = __DRI_ATTRIB_RGBA_BIT;
+	else
+	    *value = __DRI_ATTRIB_COLOR_INDEX_BIT;
+	break;
+    case __DRI_ATTRIB_CONFIG_CAVEAT:
+	if (config->modes.visualRating == GLX_NON_CONFORMANT_CONFIG)
+	    *value = __DRI_ATTRIB_NON_CONFORMANT_CONFIG;
+	else if (config->modes.visualRating == GLX_SLOW_CONFIG)
+	    *value = __DRI_ATTRIB_SLOW_BIT;
+	else
+	    *value = 0;
+	break;
+    case __DRI_ATTRIB_SWAP_METHOD:
+	break;
+
+    default:
+	*value = *(unsigned int *)
+	    ((char *) &config->modes + attribMap[index].offset);
+	
+	break;
+    }
 
-    *ptr_to_modes = modes;
     return GL_TRUE;
 }
+
+int
+driGetConfigAttrib(const __DRIconfig *config,
+		   unsigned int attrib, unsigned int *value)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(attribMap); i++)
+	if (attribMap[i].attrib == attrib)
+	    return driGetConfigAttribIndex(config, i, value);
+
+    return GL_FALSE;
+}
+
+int
+driIndexConfigAttrib(const __DRIconfig *config, int index,
+		     unsigned int *attrib, unsigned int *value)
+{
+    if (index >= 0 && index < ARRAY_SIZE(attribMap)) {
+	*attrib = attribMap[index].attrib;
+	return driGetConfigAttribIndex(config, index, value);
+    }
+
+    return GL_FALSE;
+}
diff --git a/src/mesa/drivers/dri/common/utils.h b/src/mesa/drivers/dri/common/utils.h
index b28b895627..9ac3b51447 100644
--- a/src/mesa/drivers/dri/common/utils.h
+++ b/src/mesa/drivers/dri/common/utils.h
@@ -28,8 +28,11 @@
 #ifndef DRI_DEBUG_H
 #define DRI_DEBUG_H
 
+#include <GL/gl.h>
+#include <GL/internal/dri_interface.h>
 #include "context.h"
-#include "dri_util.h"
+
+typedef struct __DRIutilversionRec2    __DRIutilversion2;
 
 struct dri_debug_control {
     const char * string;
@@ -83,6 +86,17 @@ struct dri_extension {
     const struct dri_extension_function * functions;
 };
 
+/**
+ * Used to store a version which includes a major range instead of a single
+ * major version number.
+ */
+struct __DRIutilversionRec2 {
+    int    major_min;    /** min allowed Major version number. */
+    int    major_max;    /** max allowed Major version number. */
+    int    minor;        /**< Minor version number. */
+    int    patch;        /**< Patch-level. */
+};
+
 extern unsigned driParseDebugString( const char * debug,
     const struct dri_debug_control * control );
 
@@ -105,16 +119,27 @@ extern GLboolean driCheckDriDdxDrmVersions3(const char * driver_name,
     const __DRIversion * ddxActual, const __DRIutilversion2 * ddxExpected,
     const __DRIversion * drmActual, const __DRIversion * drmExpected);
 
-extern GLint driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 );
-
 extern GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
 					   GLint *x, GLint *y,
 					   GLsizei *width, GLsizei *height );
 
-extern GLboolean driFillInModes( __GLcontextModes ** modes,
-    GLenum fb_format, GLenum fb_type,
-    const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
-    unsigned num_depth_stencil_bits,
-    const GLenum * db_modes, unsigned num_db_modes, int visType );
+struct __DRIconfigRec {
+    __GLcontextModes modes;
+};
+
+extern __DRIconfig **
+driCreateConfigs(GLenum fb_format, GLenum fb_type,
+		 const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
+		 unsigned num_depth_stencil_bits,
+		 const GLenum * db_modes, unsigned num_db_modes);
+
+const __DRIconfig **driConcatConfigs(__DRIconfig **a, __DRIconfig **b);
+
+int
+driGetConfigAttrib(const __DRIconfig *config,
+		   unsigned int attrib, unsigned int *value);
+int
+driIndexConfigAttrib(const __DRIconfig *config, int index,
+		     unsigned int *attrib, unsigned int *value);
 
 #endif /* DRI_DEBUG_H */
diff --git a/src/mesa/drivers/dri/common/vblank.c b/src/mesa/drivers/dri/common/vblank.c
index 094950d362..0008ab1c34 100644
--- a/src/mesa/drivers/dri/common/vblank.c
+++ b/src/mesa/drivers/dri/common/vblank.c
@@ -34,6 +34,16 @@
 #include "vblank.h"
 #include "xmlpool.h"
 
+static unsigned int msc_to_vblank(__DRIdrawablePrivate * dPriv, int64_t msc)
+{
+   return (unsigned int)(msc - dPriv->msc_base + dPriv->vblank_base);
+}
+
+static int64_t vblank_to_msc(__DRIdrawablePrivate * dPriv, unsigned int vblank)
+{
+   return (int64_t)(vblank - dPriv->vblank_base + dPriv->msc_base);
+}
+
 
 /****************************************************************************/
 /**
@@ -41,7 +51,7 @@
  *
  * Stores the 64-bit count of vertical refreshes since some (arbitrary)
  * point in time in \c count.  Unless the value wraps around, which it
- * may, it will never decrease.
+ * may, it will never decrease for a given drawable.
  *
  * \warning This function is called from \c glXGetVideoSyncSGI, which expects
  * a \c count of type \c unsigned (32-bit), and \c glXGetSyncValuesOML, which 
@@ -49,11 +59,14 @@
  * currently always returns a \c sequence of type \c unsigned.
  *
  * \param priv   Pointer to the DRI screen private struct.
+ * \param dPriv  Pointer to the DRI drawable private struct
  * \param count  Storage to hold MSC counter.
  * \return       Zero is returned on success.  A negative errno value
  *               is returned on failure.
  */
-int driGetMSC32( __DRIscreenPrivate * priv, int64_t * count )
+int driDrawableGetMSC32( __DRIscreenPrivate * priv,
+			 __DRIdrawablePrivate * dPriv,
+			 int64_t * count)
 {
    drmVBlank vbl;
    int ret;
@@ -62,14 +75,21 @@ int driGetMSC32( __DRIscreenPrivate * priv, int64_t * count )
 
    vbl.request.type = DRM_VBLANK_RELATIVE;
    vbl.request.sequence = 0;
+   if ( dPriv && dPriv->vblFlags & VBLANK_FLAG_SECONDARY )
+      vbl.request.type |= DRM_VBLANK_SECONDARY;
 
    ret = drmWaitVBlank( priv->fd, &vbl );
-   *count = (int64_t)vbl.reply.sequence;
+
+   if (dPriv) {
+      *count = vblank_to_msc(dPriv, vbl.reply.sequence);
+   } else {
+      /* Old driver (no knowledge of drawable MSC callback) */
+      *count = vbl.reply.sequence;
+   }
 
    return ret;
 }
 
-
 /****************************************************************************/
 /**
  * Wait for a specified refresh count.  This implements most of the
@@ -122,7 +142,9 @@ int driWaitForMSC32( __DRIdrawablePrivate *priv,
           */
          vbl.request.type = dont_wait ? DRM_VBLANK_RELATIVE :
                                         DRM_VBLANK_ABSOLUTE;
-         vbl.request.sequence = next;
+         vbl.request.sequence = next ? msc_to_vblank(priv, next) : 0;
+	 if ( priv->vblFlags & VBLANK_FLAG_SECONDARY )
+	    vbl.request.type |= DRM_VBLANK_SECONDARY;
 
 	 if ( drmWaitVBlank( priv->driScreenPriv->fd, &vbl ) != 0 ) {
 	    /* FIXME: This doesn't seem like the right thing to return here.
@@ -130,8 +152,10 @@ int driWaitForMSC32( __DRIdrawablePrivate *priv,
 	    return GLX_BAD_CONTEXT;
 	 }
 
+	 *msc = vblank_to_msc(priv, vbl.reply.sequence);
+
          dont_wait = 0;
-         if (target_msc != 0 && vbl.reply.sequence == target)
+         if (target_msc != 0 && *msc == target)
             break;
 
          /* Assuming the wait-done test fails, the next refresh to wait for
@@ -141,9 +165,9 @@ int driWaitForMSC32( __DRIdrawablePrivate *priv,
           * If this refresh has already happened, we add divisor to obtain 
           * the next refresh after the current one that will satisfy it.
           */
-         r = (vbl.reply.sequence % (unsigned int)divisor);
-         next = (vbl.reply.sequence - r + (unsigned int)remainder);
-         if (next <= vbl.reply.sequence) next += (unsigned int)divisor;
+         r = (*msc % (unsigned int)divisor);
+         next = (*msc - r + (unsigned int)remainder);
+         if (next <= *msc) next += (unsigned int)divisor;
 
       } while ( r != (unsigned int)remainder );
    }
@@ -153,7 +177,10 @@ int driWaitForMSC32( __DRIdrawablePrivate *priv,
        */
 
       vbl.request.type = DRM_VBLANK_ABSOLUTE;
-      vbl.request.sequence = target_msc;
+      vbl.request.sequence = target_msc ? msc_to_vblank(priv, target_msc) : 0;
+
+      if ( priv->vblFlags & VBLANK_FLAG_SECONDARY )
+	 vbl.request.type |= DRM_VBLANK_SECONDARY;
 
       if ( drmWaitVBlank( priv->driScreenPriv->fd, &vbl ) != 0 ) {
 	 /* FIXME: This doesn't seem like the right thing to return here.
@@ -162,8 +189,8 @@ int driWaitForMSC32( __DRIdrawablePrivate *priv,
       }
    }
 
-   *msc  = (target_msc & 0xffffffff00000000LL);
-   *msc |= vbl.reply.sequence;
+   *msc = vblank_to_msc(priv, vbl.reply.sequence);
+
    if ( *msc < target_msc ) {
       *msc += 0x0000000100000000LL;
    }
@@ -232,8 +259,8 @@ static int do_wait( drmVBlank * vbl, GLuint * vbl_seq, int fd )
       if ( first_time ) {
 	 fprintf(stderr, 
 		 "%s: drmWaitVBlank returned %d, IRQs don't seem to be"
-		 " working correctly.\nTry running with LIBGL_THROTTLE_REFRESH"
-		 " and LIBL_SYNC_REFRESH unset.\n", __FUNCTION__, ret);
+		 " working correctly.\nTry adjusting the vblank_mode"
+		 " configuration parameter.\n", __FUNCTION__, ret);
 	 first_time = GL_FALSE;
       }
 
@@ -247,20 +274,42 @@ static int do_wait( drmVBlank * vbl, GLuint * vbl_seq, int fd )
 
 /****************************************************************************/
 /**
+ * Returns the default swap interval of the given drawable.
+ */
+
+static unsigned
+driGetDefaultVBlankInterval( const  __DRIdrawablePrivate *priv )
+{
+   if ( (priv->vblFlags & (VBLANK_FLAG_THROTTLE | VBLANK_FLAG_SYNC)) != 0 ) {
+      return 1;
+   }
+   else {
+      return 0;
+   }
+}
+
+
+/****************************************************************************/
+/**
  * Sets the default swap interval when the drawable is first bound to a
  * direct rendering context.
  */
 
-void driDrawableInitVBlank( __DRIdrawablePrivate *priv, GLuint flags,
-			    GLuint *vbl_seq )
+void driDrawableInitVBlank( __DRIdrawablePrivate *priv )
 {
-   if ( priv->pdraw->swap_interval == (unsigned)-1 ) {
+   if ( priv->swap_interval == (unsigned)-1 &&
+	!( priv->vblFlags & VBLANK_FLAG_NO_IRQ ) ) {
       /* Get current vertical blank sequence */
-      drmVBlank vbl = { .request={ .type = DRM_VBLANK_RELATIVE, .sequence = 0 } };
-      do_wait( &vbl, vbl_seq, priv->driScreenPriv->fd );
-
-      priv->pdraw->swap_interval = (flags & (VBLANK_FLAG_THROTTLE |
-					     VBLANK_FLAG_SYNC)) != 0 ? 1 : 0;
+      drmVBlank vbl;
+ 
+      vbl.request.type = DRM_VBLANK_RELATIVE;
+      if ( priv->vblFlags & VBLANK_FLAG_SECONDARY )
+ 	 vbl.request.type |= DRM_VBLANK_SECONDARY;
+      vbl.request.sequence = 0;
+      do_wait( &vbl, &priv->vblSeq, priv->driScreenPriv->fd );
+      priv->vblank_base = priv->vblSeq;
+
+      priv->swap_interval = driGetDefaultVBlankInterval( priv );
    }
 }
 
@@ -271,21 +320,17 @@ void driDrawableInitVBlank( __DRIdrawablePrivate *priv, GLuint flags,
  */
 
 unsigned
-driGetVBlankInterval( const  __DRIdrawablePrivate *priv, GLuint flags )
+driGetVBlankInterval( const  __DRIdrawablePrivate *priv )
 {
-   if ( (flags & VBLANK_FLAG_INTERVAL) != 0 ) {
+   if ( (priv->vblFlags & VBLANK_FLAG_INTERVAL) != 0 ) {
       /* this must have been initialized when the drawable was first bound
        * to a direct rendering context. */
-      assert ( priv->pdraw->swap_interval != (unsigned)-1 );
+      assert ( priv->swap_interval != (unsigned)-1 );
 
-      return priv->pdraw->swap_interval;
-   }
-   else if ( (flags & (VBLANK_FLAG_THROTTLE | VBLANK_FLAG_SYNC)) != 0 ) {
-      return 1;
-   }
-   else {
-      return 0;
+      return priv->swap_interval;
    }
+   else 
+      return driGetDefaultVBlankInterval( priv );
 }
 
 
@@ -295,18 +340,17 @@ driGetVBlankInterval( const  __DRIdrawablePrivate *priv, GLuint flags )
  */
 
 void
-driGetCurrentVBlank( const  __DRIdrawablePrivate *priv, GLuint flags,
-		     GLuint *vbl_seq )
+driGetCurrentVBlank( __DRIdrawablePrivate *priv )
 {
    drmVBlank vbl;
 
    vbl.request.type = DRM_VBLANK_RELATIVE;
-   if ( flags & VBLANK_FLAG_SECONDARY ) {
+   if ( priv->vblFlags & VBLANK_FLAG_SECONDARY ) {
       vbl.request.type |= DRM_VBLANK_SECONDARY;
    }
    vbl.request.sequence = 0;
 
-   (void) do_wait( &vbl, vbl_seq, priv->driScreenPriv->fd );
+   (void) do_wait( &vbl, &priv->vblSeq, priv->driScreenPriv->fd );
 }
 
 
@@ -314,19 +358,15 @@ driGetCurrentVBlank( const  __DRIdrawablePrivate *priv, GLuint flags,
 /**
  * Waits for the vertical blank for use with glXSwapBuffers.
  * 
- * \param vbl_seq  Vertical blank sequence number (MSC) after the last buffer
- *                 swap.  Updated after this wait.
- * \param flags    \c VBLANK_FLAG bits that control how long to wait.
  * \param missed_deadline  Set to \c GL_TRUE if the MSC after waiting is later
- *                 than the "target" based on \c flags.  The idea is that if
- *                 \c missed_deadline is set, then the application is not 
- *                 achieving its desired framerate.
+ *                 than the "target" based on \c priv->vblFlags.  The idea is
+ *                 that if \c missed_deadline is set, then the application is
+ *                 not achieving its desired framerate.
  * \return         Zero on success, -1 on error.
  */
 
 int
-driWaitForVBlank( const  __DRIdrawablePrivate *priv, GLuint * vbl_seq,
-		  GLuint flags, GLboolean * missed_deadline )
+driWaitForVBlank( __DRIdrawablePrivate *priv, GLboolean * missed_deadline )
 {
    drmVBlank vbl;
    unsigned   original_seq;
@@ -335,10 +375,10 @@ driWaitForVBlank( const  __DRIdrawablePrivate *priv, GLuint * vbl_seq,
    unsigned   diff;
 
    *missed_deadline = GL_FALSE;
-   if ( (flags & (VBLANK_FLAG_INTERVAL |
-		  VBLANK_FLAG_THROTTLE |
-		  VBLANK_FLAG_SYNC)) == 0 ||
-	(flags & VBLANK_FLAG_NO_IRQ) != 0 ) {
+   if ( (priv->vblFlags & (VBLANK_FLAG_INTERVAL |
+			   VBLANK_FLAG_THROTTLE |
+			   VBLANK_FLAG_SYNC)) == 0 ||
+	(priv->vblFlags & VBLANK_FLAG_NO_IRQ) != 0 ) {
       return 0;
    }
 
@@ -349,44 +389,45 @@ driWaitForVBlank( const  __DRIdrawablePrivate *priv, GLuint * vbl_seq,
     *
     * VBLANK_FLAG_INTERVAL and VBLANK_FLAG_THROTTLE mean to wait for at
     * least one vertical blank since the last wait.  Since do_wait modifies
-    * vbl_seq, we have to save the original value of vbl_seq for the
+    * priv->vblSeq, we have to save the original value of priv->vblSeq for the
     * VBLANK_FLAG_INTERVAL / VBLANK_FLAG_THROTTLE calculation later.
     */
 
-   original_seq = *vbl_seq;
-   interval = driGetVBlankInterval(priv, flags);
+   original_seq = priv->vblSeq;
+   interval = driGetVBlankInterval(priv);
    deadline = original_seq + interval;
 
    vbl.request.type = DRM_VBLANK_RELATIVE;
-   if ( flags & VBLANK_FLAG_SECONDARY ) {
+   if ( priv->vblFlags & VBLANK_FLAG_SECONDARY ) {
       vbl.request.type |= DRM_VBLANK_SECONDARY;
    }
-   vbl.request.sequence = ((flags & VBLANK_FLAG_SYNC) != 0) ? 1 : 0;
+   vbl.request.sequence = ((priv->vblFlags & VBLANK_FLAG_SYNC) != 0) ? 1 : 0;
 
-   if ( do_wait( & vbl, vbl_seq, priv->driScreenPriv->fd ) != 0 ) {
+   if ( do_wait( & vbl, &priv->vblSeq, priv->driScreenPriv->fd ) != 0 ) {
       return -1;
    }
 
-   diff = *vbl_seq - deadline;
+   diff = priv->vblSeq - deadline;
 
    /* No need to wait again if we've already reached the target */
    if (diff <= (1 << 23)) {
-      *missed_deadline = (flags & VBLANK_FLAG_SYNC) ? (diff > 0) : GL_TRUE;
+      *missed_deadline = (priv->vblFlags & VBLANK_FLAG_SYNC) ? (diff > 0) :
+			 GL_TRUE;
       return 0;
    }
 
    /* Wait until the target vertical blank. */
    vbl.request.type = DRM_VBLANK_ABSOLUTE;
-   if ( flags & VBLANK_FLAG_SECONDARY ) {
+   if ( priv->vblFlags & VBLANK_FLAG_SECONDARY ) {
       vbl.request.type |= DRM_VBLANK_SECONDARY;
    }
    vbl.request.sequence = deadline;
 
-   if ( do_wait( & vbl, vbl_seq, priv->driScreenPriv->fd ) != 0 ) {
+   if ( do_wait( & vbl, &priv->vblSeq, priv->driScreenPriv->fd ) != 0 ) {
       return -1;
    }
 
-   diff = *vbl_seq - deadline;
+   diff = priv->vblSeq - deadline;
    *missed_deadline = diff > 0 && diff <= (1 << 23);
 
    return 0;
diff --git a/src/mesa/drivers/dri/common/vblank.h b/src/mesa/drivers/dri/common/vblank.h
index 52c1933ca5..b3a0dadab1 100644
--- a/src/mesa/drivers/dri/common/vblank.h
+++ b/src/mesa/drivers/dri/common/vblank.h
@@ -45,17 +45,17 @@
 					  */
 
 extern int driGetMSC32( __DRIscreenPrivate * priv, int64_t * count );
+extern int driDrawableGetMSC32( __DRIscreenPrivate * priv,
+				__DRIdrawablePrivate * drawablePrivate,
+				int64_t * count);
 extern int driWaitForMSC32( __DRIdrawablePrivate *priv,
     int64_t target_msc, int64_t divisor, int64_t remainder, int64_t * msc );
 extern GLuint driGetDefaultVBlankFlags( const driOptionCache *optionCache );
-extern void driDrawableInitVBlank ( __DRIdrawablePrivate *priv, GLuint flags,
-				    GLuint *vbl_seq );
-extern unsigned driGetVBlankInterval( const  __DRIdrawablePrivate *priv,
-				      GLuint flags );
-extern void driGetCurrentVBlank( const  __DRIdrawablePrivate *priv,
-				 GLuint flags, GLuint *vbl_seq );
-extern int driWaitForVBlank( const __DRIdrawablePrivate *priv,
-    GLuint * vbl_seq, GLuint flags, GLboolean * missed_deadline );
+extern void driDrawableInitVBlank ( __DRIdrawablePrivate *priv );
+extern unsigned driGetVBlankInterval( const  __DRIdrawablePrivate *priv );
+extern void driGetCurrentVBlank( __DRIdrawablePrivate *priv );
+extern int driWaitForVBlank( __DRIdrawablePrivate *priv,
+			     GLboolean * missed_deadline );
 
 #undef usleep
 #include <unistd.h>  /* for usleep() */
diff --git a/src/mesa/drivers/dri/common/xmlconfig.c b/src/mesa/drivers/dri/common/xmlconfig.c
index b635894fe5..8602d47cf9 100644
--- a/src/mesa/drivers/dri/common/xmlconfig.c
+++ b/src/mesa/drivers/dri/common/xmlconfig.c
@@ -279,7 +279,7 @@ static GLfloat strToF (const XML_Char *string, const XML_Char **tail) {
 /** \brief Parse a value of a given type. */
 static GLboolean parseValue (driOptionValue *v, driOptionType type,
 			     const XML_Char *string) {
-    const XML_Char *tail;
+    const XML_Char *tail = NULL;
   /* skip leading white-space */
     string += strspn (string, " \f\n\r\t\v");
     switch (type) {
@@ -403,40 +403,40 @@ static GLboolean checkValue (const driOptionValue *v, const driOptionInfo *info)
 /** \brief Output a warning message. */
 #define XML_WARNING1(msg) do {\
     __driUtilMessage ("Warning in %s line %d, column %d: "msg, data->name, \
-                      XML_GetCurrentLineNumber(data->parser), \
-                      XML_GetCurrentColumnNumber(data->parser)); \
+                      (int) XML_GetCurrentLineNumber(data->parser), \
+                      (int) XML_GetCurrentColumnNumber(data->parser)); \
 } while (0)
 #define XML_WARNING(msg,args...) do { \
     __driUtilMessage ("Warning in %s line %d, column %d: "msg, data->name, \
-                      XML_GetCurrentLineNumber(data->parser), \
-                      XML_GetCurrentColumnNumber(data->parser), \
+                      (int) XML_GetCurrentLineNumber(data->parser), \
+                      (int) XML_GetCurrentColumnNumber(data->parser), \
                       args); \
 } while (0)
 /** \brief Output an error message. */
 #define XML_ERROR1(msg) do { \
     __driUtilMessage ("Error in %s line %d, column %d: "msg, data->name, \
-                      XML_GetCurrentLineNumber(data->parser), \
-                      XML_GetCurrentColumnNumber(data->parser)); \
+                      (int) XML_GetCurrentLineNumber(data->parser), \
+                      (int) XML_GetCurrentColumnNumber(data->parser)); \
 } while (0)
 #define XML_ERROR(msg,args...) do { \
     __driUtilMessage ("Error in %s line %d, column %d: "msg, data->name, \
-                      XML_GetCurrentLineNumber(data->parser), \
-                      XML_GetCurrentColumnNumber(data->parser), \
+                      (int) XML_GetCurrentLineNumber(data->parser), \
+                      (int) XML_GetCurrentColumnNumber(data->parser), \
                       args); \
 } while (0)
 /** \brief Output a fatal error message and abort. */
 #define XML_FATAL1(msg) do { \
     fprintf (stderr, "Fatal error in %s line %d, column %d: "msg"\n", \
              data->name, \
-             XML_GetCurrentLineNumber(data->parser), \
-             XML_GetCurrentColumnNumber(data->parser)); \
+             (int) XML_GetCurrentLineNumber(data->parser),	\
+             (int) XML_GetCurrentColumnNumber(data->parser)); \
     abort();\
 } while (0)
 #define XML_FATAL(msg,args...) do { \
     fprintf (stderr, "Fatal error in %s line %d, column %d: "msg"\n", \
              data->name, \
-             XML_GetCurrentLineNumber(data->parser), \
-             XML_GetCurrentColumnNumber(data->parser), \
+             (int) XML_GetCurrentLineNumber(data->parser),	\
+             (int) XML_GetCurrentColumnNumber(data->parser),		\
              args); \
     abort();\
 } while (0)