Merge branch 'dri2'

Conflicts:

	src/mesa/drivers/dri/i915/intel_screen.c

35 files changed, 719 insertions, 1284 deletions

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index c30e66f1722..d59ea0ddad0 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -33,7 +33,7 @@
 #include "drm_sarea.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!
@@ -47,22 +47,26 @@ static const int empty_attribute_list[1] = { None };
 
 
 /**
+ * This is just a token extension used to signal that the driver
+ * supports setting a read drawable.
+ */
+const __DRIextension driReadDrawableExtension = {
+    __DRI_READ_DRAWABLE, __DRI_READ_DRAWABLE_VERSION
+};
+
+/**
  * 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,
+static void *driCreateNewDrawable(__DRIscreen *screen,
+				  const __GLcontextModes *modes,
+                                  __DRIdrawable *pdraw,
+				  drm_drawable_t hwDrawable,
                                   int renderType, const int *attrs);
 
-static void driDestroyDrawable(__DRInativeDisplay *dpy, void *drawablePrivate);
+static void driDestroyDrawable(__DRIdrawable *drawable);
 
 
 /**
@@ -89,63 +93,6 @@ __driUtilMessage(const char *f, ...)
 
 
 /*****************************************************************/
-/** \name Drawable list management */
-/*****************************************************************/
-/*@{*/
-
-static GLboolean __driAddDrawable(void *drawHash, __DRIdrawable *pdraw)
-{
-    __DRIdrawablePrivate *pdp = (__DRIdrawablePrivate *)pdraw->private;
-
-    if (drmHashInsert(drawHash, pdp->draw, pdraw))
-	return GL_FALSE;
-
-    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 know 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);
-    }
-}
-
-/*@}*/
-
-
-/*****************************************************************/
 /** \name Context (un)binding functions                          */
 /*****************************************************************/
 /*@{*/
@@ -153,10 +100,7 @@ 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.
@@ -169,13 +113,8 @@ 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 GLboolean driUnbindContext(__DRIcontext *ctx)
 {
-    __DRIscreen *pDRIScreen;
-    __DRIdrawable *pdraw;
-    __DRIdrawable *pread;
     __DRIcontextPrivate *pcp;
     __DRIscreenPrivate *psp;
     __DRIdrawablePrivate *pdp;
@@ -186,39 +125,17 @@ static GLboolean driUnbindContext(__DRInativeDisplay *dpy, int scrn,
     ** calling driUnbindContext.
     */
 
-    if (ctx == NULL || draw == None || read == None) {
-	/* ERROR!!! */
-	return GL_FALSE;
-    }
+    if (ctx == NULL)
+        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;
-
+    psp = (__DRIscreenPrivate *)pcp->driScreenPriv;
+    pdp = (__DRIdrawablePrivate *)pcp->driDrawablePriv;
+    prp = (__DRIdrawablePrivate *)pcp->driReadablePriv;
 
     /* Let driver unbind drawable from context */
     (*psp->DriverAPI.UnbindContext)(pcp);
 
-
     if (pdp->refcount == 0) {
 	/* ERROR!!! */
 	return GL_FALSE;
@@ -254,72 +171,18 @@ 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 GLboolean DoBindContext(__DRIcontext *ctx,
+			       __DRIdrawable *pdraw,
+			       __DRIdrawable *pread)
 {
-    __DRIdrawable *pdraw;
     __DRIdrawablePrivate *pdp;
-    __DRIdrawable *pread;
     __DRIdrawablePrivate *prp;
     __DRIcontextPrivate * const pcp = ctx->private;
+    __DRIscreenPrivate *psp = pcp->driScreenPriv;
 
-
-    /* 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;
-	}
-
-    }
     pdp = (__DRIdrawablePrivate *) pdraw->private;
-
-    /* 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;
-    }
+    prp = (__DRIdrawablePrivate *) pread->private;
 
     /* Bind the drawable to the context */
     pcp->driDrawablePriv = pdp;
@@ -358,30 +221,19 @@ static GLboolean DoBindContext(__DRInativeDisplay *dpy,
  * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
  * function.
  */
-static GLboolean driBindContext(__DRInativeDisplay *dpy, int scrn,
-                            __DRIid draw, __DRIid read,
-                            __DRIcontext * ctx)
+static GLboolean driBindContext(__DRIcontext * ctx,
+				__DRIdrawable *pdraw,
+				__DRIdrawable *pread)
 {
-    __DRIscreen *pDRIScreen;
-
     /*
     ** Assume error checking is done properly in glXMakeCurrent before
     ** calling driBindContext.
     */
 
-    if (ctx == NULL || draw == None || read == None) {
-	/* ERROR!!! */
+    if (ctx == NULL || pdraw == None || pread == None)
 	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 );
+    return DoBindContext( ctx, pdraw, pread );
 }
 /*@}*/
 
@@ -438,8 +290,7 @@ __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 (! (*dri_interface->getDrawableInfo)(pdp->pdraw,
 			  &pdp->index, &pdp->lastStamp,
 			  &pdp->x, &pdp->y, &pdp->w, &pdp->h,
 			  &pdp->numClipRects, &pdp->pClipRects,
@@ -473,7 +324,6 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
 /**
  * Swap buffers.
  *
- * \param dpy the display handle.
  * \param drawablePrivate opaque pointer to the per-drawable private info.
  * 
  * \internal
@@ -481,9 +331,9 @@ __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp)
  * 
  * Is called directly from glXSwapBuffers().
  */
-static void driSwapBuffers( __DRInativeDisplay *dpy, void *drawablePrivate )
+static void driSwapBuffers(__DRIdrawable *drawable)
 {
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate;
+    __DRIdrawablePrivate *dPriv = drawable->private;
     drm_clip_rect_t rect;
 
     dPriv->swapBuffers(dPriv);
@@ -502,53 +352,25 @@ static void driSwapBuffers( __DRInativeDisplay *dpy, void *drawablePrivate )
      * 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,
+    (*dri_interface->reportDamage)(dPriv->pdraw, 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 )
+static int driGetMSC( __DRIscreen *screen, int64_t *msc )
 {
-    __DRIscreenPrivate *sPriv = (__DRIscreenPrivate *) screenPrivate;
+    __DRIscreenPrivate *sPriv = screen->private;
 
     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 int driWaitForMSC(__DRIdrawable *drawable, int64_t target_msc,
+			 int64_t divisor, int64_t remainder,
+			 int64_t * msc, int64_t * sbc)
 {
-   __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate;
-   __DRIswapInfo  sInfo;
-   int  status;
-
-
-   status = dPriv->driScreenPriv->DriverAPI.GetSwapInfo( dPriv, & sInfo );
-   *sbc = sInfo.swap_count;
-
-   return status;
-}
-
-static int driWaitForSBC( __DRInativeDisplay * dpy, void *drawablePriv,
-			  int64_t target_sbc,
-			  int64_t * msc, int64_t * sbc )
-{
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePriv;
-
-    return dPriv->driScreenPriv->DriverAPI.WaitForSBC( dPriv, target_sbc,
-                                                       msc, sbc );
-}
-
-static int driWaitForMSC( __DRInativeDisplay * dpy, void *drawablePriv,
-			  int64_t target_msc,
-			  int64_t divisor, int64_t remainder,
-			  int64_t * msc, int64_t * sbc )
-{
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePriv;
+    __DRIdrawablePrivate *dPriv = drawable->private;
     __DRIswapInfo  sInfo;
     int  status;
 
@@ -570,36 +392,55 @@ 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 },
+    driGetMSC,
+    driWaitForMSC,
+};
+
+static void driCopySubBuffer(__DRIdrawable *drawable,
+			      int x, int y, int w, int h)
 {
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePriv;
+    __DRIdrawablePrivate *dPriv = drawable->private;
+    dPriv->driScreenPriv->DriverAPI.CopySubBuffer(dPriv, x, y, w, h);
+}
 
-    return dPriv->driScreenPriv->DriverAPI.SwapBuffersMSC( dPriv, target_msc,
-                                                           divisor, 
-                                                           remainder );
+const __DRIcopySubBufferExtension driCopySubBufferExtension = {
+    { __DRI_COPY_SUB_BUFFER, __DRI_COPY_SUB_BUFFER_VERSION },
+    driCopySubBuffer
+};
+
+static void driSetSwapInterval(__DRIdrawable *drawable, unsigned int interval)
+{
+    __DRIdrawablePrivate *dpriv = drawable->private;
+
+    dpriv->swap_interval = interval;
 }
 
-static void driCopySubBuffer( __DRInativeDisplay *dpy, void *drawablePrivate,
-			      int x, int y, int w, int h)
+static unsigned int driGetSwapInterval(__DRIdrawable *drawable)
 {
-    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate;
-    dPriv->driScreenPriv->DriverAPI.CopySubBuffer(dPriv, x, y, w, h);
-    (void) dpy;
+    __DRIdrawablePrivate *dpriv = drawable->private;
+
+    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,
+static void *driCreateNewDrawable(__DRIscreen *screen,
 				  const __GLcontextModes *modes,
-				  __DRIid draw,
 				  __DRIdrawable *pdraw,
+				  drm_drawable_t hwDrawable,
 				  int renderType,
 				  const int *attrs)
 {
-    __DRIscreen * const pDRIScreen = (*dri_interface->getScreen)(dpy, modes->screen);
     __DRIscreenPrivate *psp;
     __DRIdrawablePrivate *pdp;
 
@@ -611,21 +452,12 @@ static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
      */
     (void) attrs;
 
-    if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
-	return NULL;
-    }
-
     pdp = (__DRIdrawablePrivate *)_mesa_malloc(sizeof(__DRIdrawablePrivate));
     if (!pdp) {
 	return NULL;
     }
 
-    if (!(*dri_interface->createDrawable)(dpy, modes->screen, draw, &pdp->hHWDrawable)) {
-	_mesa_free(pdp);
-	return NULL;
-    }
-
-    pdp->draw = draw;
+    pdp->hHWDrawable = hwDrawable;
     pdp->pdraw = pdraw;
     pdp->refcount = 0;
     pdp->pStamp = NULL;
@@ -639,16 +471,13 @@ static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
     pdp->numBackClipRects = 0;
     pdp->pClipRects = NULL;
     pdp->pBackClipRects = NULL;
-    pdp->display = dpy;
-    pdp->screen = modes->screen;
 
-    psp = (__DRIscreenPrivate *)pDRIScreen->private;
+    psp = (__DRIscreenPrivate *)screen->private;
     pdp->driScreenPriv = psp;
     pdp->driContextPriv = &psp->dummyContextPriv;
 
     if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, modes,
 					renderType == GLX_PIXMAP_BIT)) {
-       (void)(*dri_interface->destroyDrawable)(dpy, modes->screen, pdp->draw);
        _mesa_free(pdp);
        return NULL;
     }
@@ -657,62 +486,26 @@ static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
     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;
-
     /* 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->swap_interval = (unsigned)-1;
 
     pdp->swapBuffers = psp->DriverAPI.SwapBuffers;
 
-    /* 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;
 }
 
-static __DRIdrawable *
-driGetDrawable(__DRInativeDisplay *dpy, __DRIid draw, void *screenPrivate)
-{
-    __DRIscreenPrivate *psp = (__DRIscreenPrivate *) screenPrivate;
-
-    /*
-    ** Make sure this routine returns NULL if the drawable is not bound
-    ** to a direct rendering context!
-    */
-    return __driFindDrawable(psp->drawHash, draw);
-}
-
 static void
-driDestroyDrawable(__DRInativeDisplay *dpy, void *drawablePrivate)
+driDestroyDrawable(__DRIdrawable *drawable)
 {
-    __DRIdrawablePrivate *pdp = (__DRIdrawablePrivate *) drawablePrivate;
+    __DRIdrawablePrivate *pdp = drawable->private;
     __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;
@@ -736,8 +529,6 @@ 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
@@ -745,14 +536,12 @@ driDestroyDrawable(__DRInativeDisplay *dpy, void *drawablePrivate)
  * drmDestroyContext(), and finally frees \p contextPrivate.
  */
 static void
-driDestroyContext(__DRInativeDisplay *dpy, int scrn, void *contextPrivate)
+driDestroyContext(__DRIcontext *context)
 {
-    __DRIcontextPrivate  *pcp   = (__DRIcontextPrivate *) contextPrivate;
+    __DRIcontextPrivate  *pcp   = context->private;
 
     if (pcp) {
 	(*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp);
-	__driGarbageCollectDrawables(pcp->driScreenPriv->drawHash);
-	(void) (*dri_interface->destroyContext)(dpy, scrn, pcp->contextID);
 	_mesa_free(pcp);
     }
 }
@@ -765,7 +554,7 @@ 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.
  *
@@ -780,35 +569,23 @@ driDestroyContext(__DRInativeDisplay *dpy, int scrn, void *contextPrivate)
  *
  */
 static void *
-driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
-		    int render_type, void *sharedPrivate, __DRIcontext *pctx)
+driCreateNewContext(__DRIscreen *screen, const __GLcontextModes *modes,
+		    int render_type, __DRIcontext *shared, 
+		    drm_context_t hwContext, __DRIcontext *pctx)
 {
-    __DRIscreen *pDRIScreen;
     __DRIcontextPrivate *pcp;
-    __DRIcontextPrivate *pshare = (__DRIcontextPrivate *) sharedPrivate;
+    __DRIcontextPrivate *pshare = (shared != NULL) ? shared->private : NULL;
     __DRIscreenPrivate *psp;
     void * const shareCtx = (pshare != NULL) ? pshare->driverPrivate : NULL;
 
-    pDRIScreen = (*dri_interface->getScreen)(dpy, modes->screen);
-    if ( (pDRIScreen == NULL) || (pDRIScreen->private == NULL) ) {
-	/* ERROR!!! */
-	return NULL;
-    } 
-
-    psp = (__DRIscreenPrivate *)pDRIScreen->private;
+    psp = (__DRIscreenPrivate *)screen->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->hHWContext = hwContext;
     pcp->driScreenPriv = psp;
     pcp->driDrawablePriv = NULL;
 
@@ -817,7 +594,6 @@ driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
      */
 
     if (!psp->dummyContextPriv.driScreenPriv) {
-        psp->dummyContextPriv.contextID = 0;
         psp->dummyContextPriv.hHWContext = psp->pSAREA->dummy_context;
         psp->dummyContextPriv.driScreenPriv = psp;
         psp->dummyContextPriv.driDrawablePriv = NULL;
@@ -830,19 +606,23 @@ driCreateNewContext(__DRInativeDisplay *dpy, const __GLcontextModes *modes,
     pctx->unbindContext  = driUnbindContext;
 
     if ( !(*psp->DriverAPI.CreateContext)(modes, pcp, shareCtx) ) {
-        (void) (*dri_interface->destroyContext)(dpy, modes->screen,
-						pcp->contextID);
         _mesa_free(pcp);
         return NULL;
     }
 
-    __driGarbageCollectDrawables(pcp->driScreenPriv->drawHash);
-
     return pcp;
 }
 /*@}*/
 
 
+static const __DRIextension **
+driGetExtensions(__DRIscreen *screen)
+{
+    __DRIscreenPrivate *psp = screen->private;
+
+    return psp->extensions;
+}
+
 /*****************************************************************/
 /** \name Screen handling functions                              */
 /*****************************************************************/
@@ -859,9 +639,9 @@ 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 *screen)
 {
-    __DRIscreenPrivate *psp = (__DRIscreenPrivate *) screenPrivate;
+    __DRIscreenPrivate *psp = screen->private;
 
     if (psp) {
 	/* No interaction with the X-server is possible at this point.  This
@@ -874,14 +654,7 @@ static void driDestroyScreen(__DRInativeDisplay *dpy, int scrn, void *screenPriv
 
 	(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 );
-	}
-
-	assert(psp->drawHash);
-	drmHashDestroy(psp->drawHash);
 
 	_mesa_free(psp);
     }
@@ -889,9 +662,12 @@ static void driDestroyScreen(__DRInativeDisplay *dpy, int scrn, void *screenPriv
 
 
 /**
- * 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
@@ -912,44 +688,32 @@ 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)
+PUBLIC
+void * __DRI_CREATE_NEW_SCREEN( int scrn, __DRIscreen *psc,
+				const __DRIversion * ddx_version,
+				const __DRIversion * dri_version,
+				const __DRIversion * drm_version,
+				const __DRIframebuffer * frame_buffer,
+				drmAddress pSAREA, int fd, 
+				int internal_api_version,
+				const __DRIinterfaceMethods * interface,
+				__GLcontextModes ** driver_modes )
+			     
 {
     __DRIscreenPrivate *psp;
-
-
+    static const __DRIextension *emptyExtensionList[] = { NULL };
+    dri_interface = interface;
     api_ver = internal_api_version;
 
-    psp = (__DRIscreenPrivate *)_mesa_malloc(sizeof(__DRIscreenPrivate));
-    if (!psp) {
-	return NULL;
-    }
-
-    /* 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;
 
     /*
     ** NOT_DONE: This is used by the X server to detect when the client
@@ -958,18 +722,9 @@ __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;
 
@@ -982,7 +737,9 @@ __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;
 
     /*
     ** Do not init dummy context here; actual initialization will be
@@ -992,25 +749,19 @@ __driUtilCreateNewScreen(__DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
     psp->dummyContextPriv.driScreenPriv = NULL;
 
     psc->destroyScreen     = driDestroyScreen;
+    psc->getExtensions     = driGetExtensions;
     psc->createNewDrawable = driCreateNewDrawable;
-    psc->getDrawable       = driGetDrawable;
-    psc->getMSC            = driGetMSC;
     psc->createNewContext  = driCreateNewContext;
 
-    if (internal_api_version >= 20070121)
-	psc->setTexOffset  = psp->DriverAPI.setTexOffset;
-
-    if ( (psp->DriverAPI.InitDriver != NULL)
-	 && !(*psp->DriverAPI.InitDriver)(psp) ) {
-	_mesa_free( psp );
+    *driver_modes = __driDriverInitScreen(psp);
+    if (*driver_modes == NULL) {
+	_mesa_free(psp);
 	return NULL;
     }
 
-
     return psp;
 }
 
-
 /**
  * Compare the current GLX API version with a driver supplied required version.
  * 
@@ -1039,14 +790,20 @@ int driCompareGLXAPIVersion( GLint required_version )
 
 
 static int
-driQueryFrameTracking( __DRInativeDisplay * dpy, void * priv,
-		       int64_t * sbc, int64_t * missedFrames,
-		       float * lastMissedUsage, float * usage )
+driFrameTracking(__DRIdrawable *drawable, GLboolean enable)
+{
+    return GLX_BAD_CONTEXT;
+}
+
+static int
+driQueryFrameTracking(__DRIdrawable *drawable,
+		      int64_t * sbc, int64_t * missedFrames,
+		      float * lastMissedUsage, float * usage)
 {
    __DRIswapInfo   sInfo;
    int             status;
    int64_t         ust;
-   __DRIdrawablePrivate * dpriv = (__DRIdrawablePrivate *) priv;
+   __DRIdrawablePrivate * dpriv = drawable->private;
 
 
    status = dpriv->driScreenPriv->DriverAPI.GetSwapInfo( dpriv, & sInfo );
@@ -1062,6 +819,11 @@ driQueryFrameTracking( __DRInativeDisplay * dpy, void * priv,
    return status;
 }
 
+const __DRIframeTrackingExtension driFrameTrackingExtension = {
+    { __DRI_FRAME_TRACKING, __DRI_FRAME_TRACKING_VERSION },
+    driFrameTracking,
+    driQueryFrameTracking    
+};
 
 /**
  * Calculate amount of swap interval used between GLX buffer swaps.
@@ -1101,9 +863,8 @@ driCalculateSwapUsage( __DRIdrawablePrivate *dPriv, int64_t last_swap_ust,
    float     usage = 1.0;
 
 
-   if ( (*dri_interface->getMSCRate)( dPriv->display, dPriv->draw, &n, &d ) ) {
-      interval = (dPriv->pdraw->swap_interval != 0)
-	  ? dPriv->pdraw->swap_interval : 1;
+   if ( (*dri_interface->getMSCRate)(dPriv->pdraw, &n, &d) ) {
+      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 539d28d1149..91992a9a242 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -67,6 +67,22 @@ typedef struct __DRIutilversionRec2    __DRIutilversion2;
 
 
 /**
+ * Driver specific entry point.  Implemented by the driver.  Called
+ * from the top level createNewScreen entry point to initialize the
+ * __DRIscreenPrivate struct.
+ */
+extern __GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp);
+
+/**
+ * Extensions.
+ */
+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
  */
 #define DRI_VALIDATE_DRAWABLE_INFO_ONCE(pDrawPriv)              \
@@ -109,11 +125,6 @@ do {                                                                    \
  * this structure.
  */
 struct __DriverAPIRec {
-    /** 
-     * Driver initialization callback
-     */
-    GLboolean (*InitDriver)(__DRIscreenPrivate *driScrnPriv);
-    
     /**
      * Screen destruction callback
      */
@@ -248,7 +259,6 @@ struct __DRIdrawablePrivateRec {
     /**
      * X's drawable ID associated with this private drawable.
      */
-    __DRIid draw;
     __DRIdrawable *pdraw;
 
     /**
@@ -318,20 +328,15 @@ struct __DRIdrawablePrivateRec {
     __DRIscreenPrivate *driScreenPriv;
 
     /**
-     * \name Display and screen information.
-     * 
-     * Basically just need these for when the locking code needs to call
-     * \c __driUtilUpdateDrawableInfo.
+     * Called via glXSwapBuffers().
      */
-    /*@{*/
-    __DRInativeDisplay *display;
-    int screen;
-    /*@}*/
+    void (*swapBuffers)( __DRIdrawablePrivate *dPriv );
 
     /**
-     * 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;
 };
 
 /**
@@ -341,11 +346,6 @@ struct __DRIcontextPrivateRec {
     /**
      * Kernel context handle used to access the device lock.
      */
-    __DRIid contextID;
-
-    /**
-     * Kernel context handle used to access the device lock.
-     */
     drm_context_t hHWContext;
 
     /**
@@ -354,9 +354,9 @@ 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.
@@ -379,11 +379,6 @@ struct __DRIcontextPrivateRec {
  */
 struct __DRIscreenPrivateRec {
     /**
-     * Display for this screen
-     */
-    __DRInativeDisplay *display;
-
-    /**
      * Current screen's number
      */
     int myNum;
@@ -394,37 +389,19 @@ struct __DRIscreenPrivateRec {
     struct __DriverAPIRec DriverAPI;
 
     /**
-     * \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.
@@ -490,11 +467,6 @@ struct __DRIscreenPrivateRec {
     __DRIcontextPrivate dummyContextPriv;
 
     /**
-     * Hash table to hold the drawable information for this screen.
-     */
-    void *drawHash;
-
-    /**
      * Device-dependent private information (not stored in the SAREA).
      * 
      * This pointer is never touched by the DRI layer.
@@ -502,21 +474,14 @@ 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.
+     * Pointer back to the \c __DRIscreen that contains this structure.
      */
-    __GLcontextModes *modes;
+    __DRIscreen *psc;
 
     /**
-     * Pointer back to the \c __DRIscreen that contains this structure.
+     * Extensions provided by this driver.
      */
-
-    __DRIscreen *psc;
+    const __DRIextension **extensions;
 };
 
 
@@ -540,8 +505,8 @@ extern void
 __driUtilUpdateDrawableInfo(__DRIdrawablePrivate *pdp);
 
 
-extern __DRIscreenPrivate * __driUtilCreateNewScreen( __DRInativeDisplay *dpy,
-    int scrn, __DRIscreen *psc, __GLcontextModes * modes,
+extern __DRIscreenPrivate * __driUtilCreateNewScreen( int scr, __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,
diff --git a/src/mesa/drivers/dri/common/vblank.c b/src/mesa/drivers/dri/common/vblank.c
index e7ed545f13c..3b5acfecb12 100644
--- a/src/mesa/drivers/dri/common/vblank.c
+++ b/src/mesa/drivers/dri/common/vblank.c
@@ -255,13 +255,13 @@ static int do_wait( drmVBlank * vbl, GLuint * vbl_seq, int fd )
 void driDrawableInitVBlank( __DRIdrawablePrivate *priv, GLuint flags,
 			    GLuint *vbl_seq )
 {
-   if ( priv->pdraw->swap_interval == (unsigned)-1 ) {
+   if ( priv->swap_interval == (unsigned)-1 ) {
       /* 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;
+      priv->swap_interval = (flags & (VBLANK_FLAG_THROTTLE |
+				      VBLANK_FLAG_SYNC)) != 0 ? 1 : 0;
    }
 }
 
@@ -277,9 +277,9 @@ driGetVBlankInterval( const  __DRIdrawablePrivate *priv, GLuint flags )
    if ( (flags & 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;
+      return priv->swap_interval;
    }
    else if ( (flags & (VBLANK_FLAG_THROTTLE | VBLANK_FLAG_SYNC)) != 0 ) {
       return 1;
diff --git a/src/mesa/drivers/dri/ffb/ffb_xmesa.c b/src/mesa/drivers/dri/ffb/ffb_xmesa.c
index 4c5323d230e..3a5551eeb37 100644
--- a/src/mesa/drivers/dri/ffb/ffb_xmesa.c
+++ b/src/mesa/drivers/dri/ffb/ffb_xmesa.c
@@ -605,7 +605,6 @@ void ffbXMesaUpdateState(ffbContextPtr fmesa)
 }
 
 static const struct __DriverAPIRec ffbAPI = {
-   .InitDriver      = ffbInitDriver,
    .DestroyScreen   = ffbDestroyScreen,
    .CreateContext   = ffbCreateContext,
    .DestroyContext  = ffbDestroyContext,
@@ -704,49 +703,28 @@ ffbFillInModes( unsigned pixel_bits, unsigned depth_bits,
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd, 
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 0, 1, 1 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 0, 0, 1 };
 
-   dri_interface = interface;
-
    if ( ! driCheckDriDdxDrmVersions2( "ffb",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) )
       return NULL;
-   }
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &ffbAPI);
-   if ( psp != NULL ) {
-      *driver_modes = ffbFillInModes( 32, 16, 0, GL_TRUE );
-   }
+   psp->DriverAPI = ffbAPI;
+
+   if (!ffbInitDriver(psp))
+       return NULL;
 
-   return (void *) psp;
+   return ffbFillInModes( 32, 16, 0, GL_TRUE );
 }
diff --git a/src/mesa/drivers/dri/i810/i810screen.c b/src/mesa/drivers/dri/i810/i810screen.c
index f8cf050d7e4..3c7ec96ff3d 100644
--- a/src/mesa/drivers/dri/i810/i810screen.c
+++ b/src/mesa/drivers/dri/i810/i810screen.c
@@ -403,7 +403,6 @@ i810DestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
 
 
 static const struct __DriverAPIRec i810API = {
-   .InitDriver      = i810InitDriver,
    .DestroyScreen   = i810DestroyScreen,
    .CreateContext   = i810CreateContext,
    .DestroyContext  = i810DestroyContext,
@@ -421,52 +420,30 @@ static const struct __DriverAPIRec i810API = {
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
+ * 
+ * \todo maybe fold this into intelInitDriver
  *
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd,
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-
+PUBLIC __GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 1, 0, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 2, 0 };
 
-   dri_interface = interface;
-
    if ( ! driCheckDriDdxDrmVersions2( "i810",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) ) {
       return NULL;
    }
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &i810API);
-   if ( psp != NULL ) {
-      *driver_modes = i810FillInModes( 16,
-				       16, 0,
-				       1);
-      driInitExtensions( NULL, card_extensions, GL_TRUE );
-   }
+   psp->DriverAPI = i810API;
+   driInitExtensions( NULL, card_extensions, GL_TRUE );
+
+   if (!i810InitDriver(psp))
+       return NULL;
 
-   return (void *) psp;
+   return i810FillInModes(16, 16, 0, 1);
 }
diff --git a/src/mesa/drivers/dri/i915/intel_buffers.c b/src/mesa/drivers/dri/i915/intel_buffers.c
index 938bed6da7c..46a67b141e7 100644
--- a/src/mesa/drivers/dri/i915/intel_buffers.c
+++ b/src/mesa/drivers/dri/i915/intel_buffers.c
@@ -45,7 +45,7 @@
 
 /* This block can be removed when libdrm >= 2.3.1 is required */
 
-#ifndef DRM_VBLANK_FLIP
+#ifndef DRM_IOCTL_I915_FLIP
 
 #define DRM_VBLANK_FLIP 0x8000000
 
@@ -231,7 +231,7 @@ intelWindowMoved(struct intel_context *intel)
       }
    }
 
-   if (intel->intelScreen->driScrnPriv->ddxMinor >= 7) {
+   if (intel->intelScreen->driScrnPriv->ddx_version.minor >= 7) {
       drmI830Sarea *sarea = intel->sarea;
       drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w,
 				   .y1 = dPriv->y, .y2 = dPriv->y + dPriv->h };
diff --git a/src/mesa/drivers/dri/i915/intel_context.c b/src/mesa/drivers/dri/i915/intel_context.c
index 041a155fe73..d7af432ad6b 100644
--- a/src/mesa/drivers/dri/i915/intel_context.c
+++ b/src/mesa/drivers/dri/i915/intel_context.c
@@ -613,7 +613,7 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
       if (intel->ctx.DrawBuffer == &intel_fb->Base) {
 
 	 if (intel->driDrawable != driDrawPriv) {
-	    if (driDrawPriv->pdraw->swap_interval == (unsigned)-1) {
+	    if (driDrawPriv->swap_interval == (unsigned)-1) {
 	       int i;
 
 	       intel_fb->vblank_flags = (intel->intelScreen->irq_active != 0)
diff --git a/src/mesa/drivers/dri/i915/intel_screen.c b/src/mesa/drivers/dri/i915/intel_screen.c
index 0934213c135..291441b3608 100644
--- a/src/mesa/drivers/dri/i915/intel_screen.c
+++ b/src/mesa/drivers/dri/i915/intel_screen.c
@@ -219,7 +219,7 @@ intel_recreate_static_regions(intelScreenPrivate *intelScreen)
    /* The rotated region is only used for old DDXes that didn't handle rotation
 \    * on their own.
     */
-   if (intelScreen->driScrnPriv->ddxMinor < 8) {
+   if (intelScreen->driScrnPriv->ddx_version.minor < 8) {
       intelScreen->rotated_region =
 	 intel_recreate_static(intelScreen,
 			       intelScreen->rotated_region,
@@ -379,7 +379,7 @@ intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
    intelScreen->back.handle = sarea->back_handle;
    intelScreen->back.size = sarea->back_size;
 
-   if (intelScreen->driScrnPriv->ddxMinor >= 8) {
+   if (intelScreen->driScrnPriv->ddx_version.minor >= 8) {
       intelScreen->third.offset = sarea->third_offset;
       intelScreen->third.pitch = sarea->pitch * intelScreen->cpp;
       intelScreen->third.handle = sarea->third_handle;
@@ -391,7 +391,7 @@ intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
    intelScreen->depth.handle = sarea->depth_handle;
    intelScreen->depth.size = sarea->depth_size;
 
-   if (intelScreen->driScrnPriv->ddxMinor >= 9) {
+   if (intelScreen->driScrnPriv->ddx_version.minor >= 9) {
       intelScreen->front.bo_handle = sarea->front_bo_handle;
       intelScreen->back.bo_handle = sarea->back_bo_handle;
       intelScreen->third.bo_handle = sarea->third_bo_handle;
@@ -421,19 +421,22 @@ intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
       intelPrintSAREA(sarea);
 }
 
+static const __DRIextension *intelExtensions[] = {
+    &driReadDrawableExtension,
+    &driCopySubBufferExtension.base,
+    &driSwapControlExtension.base,
+    &driFrameTrackingExtension.base,
+    &driMediaStreamCounterExtension.base,
+    NULL
+};
 
-static GLboolean
-intelInitDriver(__DRIscreenPrivate * sPriv)
+
+static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv)
 {
    intelScreenPrivate *intelScreen;
    I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv;
    drmI830Sarea *sarea;
 
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-      (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->
-                                      getProcAddress("glxEnableExtension"));
-   void *const psc = sPriv->psc->screenConfigs;
-
    if (sPriv->devPrivSize != sizeof(I830DRIRec)) {
       fprintf(stderr,
               "\nERROR!  sizeof(I830DRIRec) does not match passed size from device driver\n");
@@ -491,7 +494,7 @@ intelInitDriver(__DRIscreenPrivate * sPriv)
    if (0)
       intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv);
 
-   intelScreen->drmMinor = sPriv->drmMinor;
+   intelScreen->drmMinor = sPriv->drm_version.minor;
 
    /* Determine if IRQs are active? */
    {
@@ -525,20 +528,14 @@ intelInitDriver(__DRIscreenPrivate * sPriv)
       }
    }
 
-   if (glx_enable_extension != NULL) {
-      (*glx_enable_extension) (psc, "GLX_SGI_swap_control");
-      (*glx_enable_extension) (psc, "GLX_SGI_video_sync");
-      (*glx_enable_extension) (psc, "GLX_MESA_swap_control");
-      (*glx_enable_extension) (psc, "GLX_MESA_swap_frame_usage");
-      (*glx_enable_extension) (psc, "GLX_SGI_make_current_read");
-   }
+   sPriv->extensions = intelExtensions;
 
    /* If we've got a new enough DDX that's initializing TTM and giving us
     * object handles for the shared buffers, use that.
     */
    intelScreen->ttm = GL_FALSE;
    if (getenv("INTEL_NO_TTM") == NULL &&
-       intelScreen->driScrnPriv->ddxMinor >= 9 &&
+       intelScreen->driScrnPriv->ddx_version.minor >= 9 &&
        intelScreen->drmMinor >= 11 &&
        intelScreen->front.bo_handle != -1) {
       intelScreen->bufmgr = intel_bufmgr_ttm_init(sPriv->fd,
@@ -776,7 +773,6 @@ intelCreateContext(const __GLcontextModes * mesaVis,
 
 
 static const struct __DriverAPIRec intelAPI = {
-   .InitDriver = intelInitDriver,
    .DestroyScreen = intelDestroyScreen,
    .CreateContext = intelCreateContext,
    .DestroyContext = intelDestroyContext,
@@ -881,65 +877,46 @@ intelFillInModes(unsigned pixel_bits, unsigned depth_bits,
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC void *
-__driCreateNewScreen_20050727(__DRInativeDisplay * dpy, int scrn,
-                              __DRIscreen * psc,
-                              const __GLcontextModes * modes,
-                              const __DRIversion * ddx_version,
-                              const __DRIversion * dri_version,
-                              const __DRIversion * drm_version,
-                              const __DRIframebuffer * frame_buffer,
-                              drmAddress pSAREA, int fd,
-                              int internal_api_version,
-                              const __DRIinterfaceMethods * interface,
-                              __GLcontextModes ** driver_modes)
+PUBLIC __GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 1, 5, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 5, 0 };
+   I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv;
 
-   dri_interface = interface;
+   psp->DriverAPI = intelAPI;
 
    if (!driCheckDriDdxDrmVersions2("i915",
-                                   dri_version, &dri_expected,
-                                   ddx_version, &ddx_expected,
-                                   drm_version, &drm_expected)) {
+                                   &psp->dri_version, &dri_expected,
+                                   &psp->ddx_version, &ddx_expected,
+                                   &psp->drm_version, &drm_expected)) {
       return NULL;
    }
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-                                  ddx_version, dri_version, drm_version,
-                                  frame_buffer, pSAREA, fd,
-                                  internal_api_version, &intelAPI);
-
-   if (psp != NULL) {
-      I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv;
-      *driver_modes = intelFillInModes(dri_priv->cpp * 8,
-                                       (dri_priv->cpp == 2) ? 16 : 24,
-                                       (dri_priv->cpp == 2) ? 0 : 8, 1);
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions(NULL, card_extensions, GL_FALSE);
-   }
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions(NULL, card_extensions, GL_FALSE);
+
+   if (!intelInitDriver(psp))
+       return NULL;
 
-   return (void *) psp;
+   return intelFillInModes(dri_priv->cpp * 8,
+			   (dri_priv->cpp == 2) ? 16 : 24,
+			   (dri_priv->cpp == 2) ? 0  : 8, 1);
 }
 
 struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen)
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c
index 5dac50df32c..e35f7da9387 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -264,14 +264,19 @@ intelUpdateScreenFromSAREA(intelScreenPrivate *intelScreen,
       intelPrintSAREA(sarea);
 }
 
+static const __DRIextension *intelExtensions[] = {
+    &driReadDrawableExtension,
+    &driCopySubBufferExtension.base,
+    &driSwapControlExtension.base,
+    &driFrameTrackingExtension.base,
+    &driMediaStreamCounterExtension.base,
+    NULL
+};
 
 static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv)
 {
    intelScreenPrivate *intelScreen;
    I830DRIPtr         gDRIPriv = (I830DRIPtr)sPriv->pDevPriv;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-   void * const psc = sPriv->psc->screenConfigs;
    volatile drmI830Sarea *sarea;
 
    if (sPriv->devPrivSize != sizeof(I830DRIRec)) {
@@ -317,7 +322,7 @@ static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv)
       return GL_FALSE;
    }
 
-   intelScreen->drmMinor = sPriv->drmMinor;
+   intelScreen->drmMinor = sPriv->drm_version.minor;
 
    /* Determine if IRQs are active? */
    {
@@ -351,14 +356,7 @@ static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv)
       }
    }
 
-   if (glx_enable_extension != NULL) {
-      (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
-      (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
-      (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" );
-      (*glx_enable_extension)( psc, "GLX_MESA_copy_sub_buffer" );
-   }
+   sPriv->extensions = intelExtensions;
    
    return GL_TRUE;
 }
@@ -541,7 +539,6 @@ static GLboolean intelCreateContext( const __GLcontextModes *mesaVis,
 
 
 static const struct __DriverAPIRec intelAPI = {
-   .InitDriver      = intelInitDriver,
    .DestroyScreen   = intelDestroyScreen,
    .CreateContext   = intelCreateContext,
    .DestroyContext  = intelDestroyContext,
@@ -640,62 +637,44 @@ intelFillInModes( unsigned pixel_bits, unsigned depth_bits,
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd, 
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 1, 6, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 3, 0 };
+   I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv;
 
-   dri_interface = interface;
-
+   psp->DriverAPI = intelAPI;
    if ( ! driCheckDriDdxDrmVersions2( "i915",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
-      return NULL;
+				      &psp->dri_version, &dri_expected,
+				      &psp->ddx_version, &ddx_expected,
+				      &psp->drm_version, &drm_expected ) ) {
+       return NULL;
    }
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &intelAPI);
-   if ( psp != NULL ) {
-      I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv;
-      *driver_modes = intelFillInModes( dri_priv->cpp * 8,
-					(dri_priv->cpp == 2) ? 16 : 24,
-					(dri_priv->cpp == 2) ? 0  : 8,
-					GL_TRUE );
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      intelInitExtensions(NULL, GL_FALSE);
-   }
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   intelInitExtensions(NULL, GL_FALSE);
+
+   if (!intelInitDriver(psp))
+       return NULL;
 
-   return (void *) psp;
+   return intelFillInModes( dri_priv->cpp * 8,
+			    (dri_priv->cpp == 2) ? 16 : 24,
+			    (dri_priv->cpp == 2) ? 0  : 8,
+			    GL_TRUE );
 }
diff --git a/src/mesa/drivers/dri/mach64/mach64_screen.c b/src/mesa/drivers/dri/mach64/mach64_screen.c
index 4e9e216e7db..04eb0815149 100644
--- a/src/mesa/drivers/dri/mach64/mach64_screen.c
+++ b/src/mesa/drivers/dri/mach64/mach64_screen.c
@@ -208,9 +208,7 @@ mach64CreateScreen( __DRIscreenPrivate *sPriv )
 {
    mach64ScreenPtr mach64Screen;
    ATIDRIPtr serverInfo = (ATIDRIPtr)sPriv->pDevPriv;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-   void * const psc = sPriv->psc->screenConfigs;
+   int i;
 
    if (sPriv->devPrivSize != sizeof(ATIDRIRec)) {
       fprintf(stderr,"\nERROR!  sizeof(ATIDRIRec) does not match passed size from device driver\n");
@@ -319,15 +317,14 @@ mach64CreateScreen( __DRIscreenPrivate *sPriv )
 
    mach64Screen->driScreen = sPriv;
 
-   if ( glx_enable_extension != NULL ) {
-      if ( mach64Screen->irq != 0 ) {
-	 (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
-	 (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
-	 (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
-      }
-
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
+   i = 0;
+   mach64Screen->extensions[i++] = &driFrameTrackingExtension.base;
+   if ( mach64Screen->irq != 0 ) {
+      mach64Screen->extensions[i++] = &driSwapControlExtension.base;
+      mach64Screen->extensions[i++] = &driMediaStreamCounterExtension.base;
    }
+   mach64Screen->extensions[i++] = NULL;
+   sPriv->extensions = mach64Screen->extensions;
 
    return mach64Screen;
 }
@@ -477,7 +474,6 @@ mach64InitDriver( __DRIscreenPrivate *driScreen )
 
 
 static struct __DriverAPIRec mach64API = {
-   .InitDriver      = mach64InitDriver,
    .DestroyScreen   = mach64DestroyScreen,
    .CreateContext   = mach64CreateContext,
    .DestroyContext  = mach64DestroyContext,
@@ -495,63 +491,41 @@ static struct __DriverAPIRec mach64API = {
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd, 
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 6, 4, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 2, 0, 0 };
+   ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv;
 
-   dri_interface = interface;
-
+   psp->DriverAPI = mach64API;
    if ( ! driCheckDriDdxDrmVersions2( "Mach64",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) ) {
       return NULL;
    }
+   
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+
+   if (!mach64InitDriver(psp))
+      return NULL;
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &mach64API);
-   if ( psp != NULL ) {
-      ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv;
-      *driver_modes = mach64FillInModes( dri_priv->cpp * 8,
-					 16,
-					 0,
-					 1);
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
-   }
-
-   return (void *) psp;
+   return  mach64FillInModes( dri_priv->cpp * 8, 16, 0, 1);
 }
diff --git a/src/mesa/drivers/dri/mach64/mach64_screen.h b/src/mesa/drivers/dri/mach64/mach64_screen.h
index 5305058e2fb..766554d7e4d 100644
--- a/src/mesa/drivers/dri/mach64/mach64_screen.h
+++ b/src/mesa/drivers/dri/mach64/mach64_screen.h
@@ -73,6 +73,8 @@ typedef struct {
    __DRIscreenPrivate *driScreen;
 
    driOptionCache optionCache;
+
+   const __DRIextension *extensions[4];
 } mach64ScreenRec, *mach64ScreenPtr;
 
 #endif /* __MACH64_SCREEN_H__ */
diff --git a/src/mesa/drivers/dri/mga/mga_xmesa.c b/src/mesa/drivers/dri/mga/mga_xmesa.c
index f4e651afa0c..99a2ea04911 100644
--- a/src/mesa/drivers/dri/mga/mga_xmesa.c
+++ b/src/mesa/drivers/dri/mga/mga_xmesa.c
@@ -193,14 +193,19 @@ mgaFillInModes( unsigned pixel_bits, unsigned depth_bits,
 }
 
 
+static const __DRIextension *mgaExtensions[] = {
+    &driReadDrawableExtension,
+    &driSwapControlExtension.base,
+    &driFrameTrackingExtension.base,
+    &driMediaStreamCounterExtension.base,
+    NULL
+};
+
 static GLboolean
 mgaInitDriver(__DRIscreenPrivate *sPriv)
 {
    mgaScreenPrivate *mgaScreen;
    MGADRIPtr         serverInfo = (MGADRIPtr)sPriv->pDevPriv;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-       (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-   void * const psc = sPriv->psc->screenConfigs;
 
    if (sPriv->devPrivSize != sizeof(MGADRIRec)) {
       fprintf(stderr,"\nERROR!  sizeof(MGADRIRec) does not match passed size from device driver\n");
@@ -217,7 +222,7 @@ mgaInitDriver(__DRIscreenPrivate *sPriv)
    mgaScreen->sPriv = sPriv;
    sPriv->private = (void *)mgaScreen;
 
-   if (sPriv->drmMinor >= 1) {
+   if (sPriv->drm_version.minor >= 1) {
       int ret;
       drm_mga_getparam_t gp;
 
@@ -235,13 +240,7 @@ mgaInitDriver(__DRIscreenPrivate *sPriv)
       }
    }
 
-   if ( glx_enable_extension != NULL ) {
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
-      (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" );
-      (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
-      (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
-   }
+   sPriv->extensions = mgaExtensions;
 
    if (serverInfo->chipset != MGA_CARD_TYPE_G200 &&
        serverInfo->chipset != MGA_CARD_TYPE_G400) {
@@ -274,7 +273,7 @@ mgaInitDriver(__DRIscreenPrivate *sPriv)
     * there is a new, in-kernel mechanism for handling the wait.
     */
 
-   if (mgaScreen->sPriv->drmMinor < 2) {
+   if (mgaScreen->sPriv->drm_version.minor < 2) {
       mgaScreen->mmio.handle = serverInfo->registers.handle;
       mgaScreen->mmio.size = serverInfo->registers.size;
       if ( drmMap( sPriv->fd,
@@ -935,7 +934,6 @@ void mgaGetLock( mgaContextPtr mmesa, GLuint flags )
 
 
 static const struct __DriverAPIRec mgaAPI = {
-   .InitDriver      = mgaInitDriver,
    .DestroyScreen   = mgaDestroyScreen,
    .CreateContext   = mgaCreateContext,
    .DestroyContext  = mgaDestroyContext,
@@ -953,69 +951,50 @@ static const struct __DriverAPIRec mgaAPI = {
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd, 
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 1, 2, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 3, 0, 0 };
+   MGADRIPtr dri_priv = (MGADRIPtr) psp->pDevPriv;
 
-   dri_interface = interface;
-
+   psp->DriverAPI = mgaAPI;
    if ( ! driCheckDriDdxDrmVersions2( "MGA",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) )
       return NULL;
-   }
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &mgaAPI);
-   if ( psp != NULL ) {
-      MGADRIPtr dri_priv = (MGADRIPtr) psp->pDevPriv;
-      *driver_modes = mgaFillInModes( dri_priv->cpp * 8,
-				      (dri_priv->cpp == 2) ? 16 : 24,
-				      (dri_priv->cpp == 2) ? 0  : 8,
-				      (dri_priv->backOffset != dri_priv->depthOffset) );
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
-      driInitExtensions( NULL, g400_extensions, GL_FALSE );
-      driInitSingleExtension( NULL, ARB_vp_extension );
-      driInitExtensions( NULL, NV_vp_extensions, GL_FALSE );
 
-   }
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+   driInitExtensions( NULL, g400_extensions, GL_FALSE );
+   driInitSingleExtension( NULL, ARB_vp_extension );
+   driInitExtensions( NULL, NV_vp_extensions, GL_FALSE );
+
+   if (!mgaInitDriver(psp))
+       return NULL;
 
-   return (void *) psp;
+   return mgaFillInModes( dri_priv->cpp * 8,
+			  (dri_priv->cpp == 2) ? 16 : 24,
+			  (dri_priv->cpp == 2) ? 0  : 8,
+			  (dri_priv->backOffset != dri_priv->depthOffset) );
 }
 
 
diff --git a/src/mesa/drivers/dri/mga/mgaioctl.c b/src/mesa/drivers/dri/mga/mgaioctl.c
index f8587fc541e..679d6889259 100644
--- a/src/mesa/drivers/dri/mga/mgaioctl.c
+++ b/src/mesa/drivers/dri/mga/mgaioctl.c
@@ -55,7 +55,7 @@ mgaSetFence( mgaContextPtr mmesa, uint32_t * fence )
 {
     int ret = ENOSYS;
 
-    if ( mmesa->driScreen->drmMinor >= 2 ) {
+    if ( mmesa->driScreen->drm_version.minor >= 2 ) {
 	ret = drmCommandWriteRead( mmesa->driScreen->fd, DRM_MGA_SET_FENCE,
 				   fence, sizeof( uint32_t ));
 	if (ret) {
@@ -73,7 +73,7 @@ mgaWaitFence( mgaContextPtr mmesa, uint32_t fence, uint32_t * curr_fence )
 {
     int ret = ENOSYS;
 
-    if ( mmesa->driScreen->drmMinor >= 2 ) {
+    if ( mmesa->driScreen->drm_version.minor >= 2 ) {
 	uint32_t temp = fence;
 	
 	ret = drmCommandWriteRead( mmesa->driScreen->fd,
diff --git a/src/mesa/drivers/dri/mga/mgastate.c b/src/mesa/drivers/dri/mga/mgastate.c
index c20a76f29ef..88f2175cc3e 100644
--- a/src/mesa/drivers/dri/mga/mgastate.c
+++ b/src/mesa/drivers/dri/mga/mgastate.c
@@ -778,8 +778,6 @@ void mgaUpdateRects( mgaContextPtr mmesa, GLuint buffers )
 {
    __DRIdrawablePrivate *const driDrawable = mmesa->driDrawable;
    __DRIdrawablePrivate *const driReadable = mmesa->driReadable;
-   drm_mga_sarea_t *sarea = mmesa->sarea;
-
 
    mmesa->dirty_cliprects = 0;	
 
@@ -790,9 +788,6 @@ void mgaUpdateRects( mgaContextPtr mmesa, GLuint buffers )
 
    mga_set_cliprects(mmesa);
 
-   sarea->req_drawable = driDrawable->draw;
-   sarea->req_draw_buffer = mmesa->draw_buffer;
-
    mgaUpdateClipping( mmesa->glCtx );
    mgaCalcViewport( mmesa->glCtx );
 }
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_screen.c b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
index 065aa81746c..3e7bab63f34 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_screen.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
@@ -195,7 +195,6 @@ nouveauGetSwapInfo(__DRIdrawablePrivate *dpriv, __DRIswapInfo *sInfo)
 }
 
 static const struct __DriverAPIRec nouveauAPI = {
-	.InitDriver      = nouveauInitDriver,
 	.DestroyScreen   = nouveauDestroyScreen,
 	.CreateContext   = nouveauCreateContext,
 	.DestroyContext  = nouveauDestroyContext,
@@ -285,81 +284,62 @@ nouveauFillInModes( unsigned pixel_bits, unsigned depth_bits,
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-				     const __GLcontextModes * modes,
-				     const __DRIversion * ddx_version,
-				     const __DRIversion * dri_version,
-				     const __DRIversion * drm_version,
-				     const __DRIframebuffer * frame_buffer,
-				     drmAddress pSAREA, int fd, 
-				     int internal_api_version,
-				     const __DRIinterfaceMethods * interface,
-				     __GLcontextModes ** driver_modes)
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-	__DRIscreenPrivate *psp;
 	static const __DRIversion ddx_expected = { 1, 2, 0 };
 	static const __DRIversion dri_expected = { 4, 0, 0 };
 	static const __DRIversion drm_expected = { 0, 0, NOUVEAU_DRM_HEADER_PATCHLEVEL };
+	NOUVEAUDRIPtr dri_priv = (NOUVEAUDRIPtr)psp->pDevPriv;
+
 #if NOUVEAU_DRM_HEADER_PATCHLEVEL != 10
 #error nouveau_drm.h version doesn't match expected version
 #endif
-	dri_interface = interface;
 
 	if (!driCheckDriDdxDrmVersions2("nouveau",
-					dri_version, & dri_expected,
-					ddx_version, & ddx_expected,
-					drm_version, & drm_expected)) {
+					&psp->dri_version, & dri_expected,
+					&psp->ddx_version, & ddx_expected,
+					&psp->drm_version, & drm_expected))
 		return NULL;
-	}
 
 	// temporary lock step versioning
-	if (drm_expected.patch!=drm_version->patch) {
+	if (drm_expected.patch != psp->drm_version.patch) {
 		__driUtilMessage("%s: wrong DRM version, expected %d, got %d\n",
-				__func__,
-				drm_expected.patch, drm_version->patch);
+				 __func__,
+				 drm_expected.patch, psp->drm_version.patch);
 		return NULL;
 	}
 
-	psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				       ddx_version, dri_version, drm_version,
-				       frame_buffer, pSAREA, fd,
-				       internal_api_version, &nouveauAPI);
-	if ( psp != NULL ) {
-		NOUVEAUDRIPtr dri_priv = (NOUVEAUDRIPtr)psp->pDevPriv;
-
-		*driver_modes = nouveauFillInModes(dri_priv->bpp,
-						   (dri_priv->bpp == 16) ? 16 : 24,
-						   (dri_priv->bpp == 16) ? 0  : 8,
-						   1
-						   );
-
-		/* Calling driInitExtensions here, with a NULL context pointer, does not actually
-		 * enable the extensions.  It just makes sure that all the dispatch offsets for all
-		 * the extensions that *might* be enables are known.  This is needed because the
-		 * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-		 * enable the extensions until we have a context pointer.
-		 * 
-		 * Hello chicken.  Hello egg.  How are you two today?
-		 */
-		driInitExtensions( NULL, common_extensions, GL_FALSE );
-		driInitExtensions( NULL,   nv10_extensions, GL_FALSE );
-		driInitExtensions( NULL,   nv10_extensions, GL_FALSE );
-		driInitExtensions( NULL,   nv30_extensions, GL_FALSE );
-		driInitExtensions( NULL,   nv40_extensions, GL_FALSE );
-		driInitExtensions( NULL,   nv50_extensions, GL_FALSE );
-	}
+	psp->DriverAPI = nouveauAPI;
+
+	/* Calling driInitExtensions here, with a NULL context
+	 * pointer, does not actually enable the extensions.  It just
+	 * makes sure that all the dispatch offsets for all the
+	 * extensions that *might* be enables are known.  This is
+	 * needed because the dispatch offsets need to be known when
+	 * _mesa_context_create is called, but we can't enable the
+	 * extensions until we have a context pointer.
+	 * 
+	 * Hello chicken.  Hello egg.  How are you two today?
+	 */
+	driInitExtensions( NULL, common_extensions, GL_FALSE );
+	driInitExtensions( NULL,   nv10_extensions, GL_FALSE );
+	driInitExtensions( NULL,   nv10_extensions, GL_FALSE );
+	driInitExtensions( NULL,   nv30_extensions, GL_FALSE );
+	driInitExtensions( NULL,   nv40_extensions, GL_FALSE );
+	driInitExtensions( NULL,   nv50_extensions, GL_FALSE );
+
+	if (!nouveauInitDriver(psp))
+		return NULL;
 
-	return (void *) psp;
+	return nouveauFillInModes(dri_priv->bpp,
+				  (dri_priv->bpp == 16) ? 16 : 24,
+				  (dri_priv->bpp == 16) ? 0  : 8,
+				  1);
 }
 
diff --git a/src/mesa/drivers/dri/r128/r128_context.c b/src/mesa/drivers/dri/r128/r128_context.c
index 95e54a6af50..c9fe11f38bd 100644
--- a/src/mesa/drivers/dri/r128/r128_context.c
+++ b/src/mesa/drivers/dri/r128/r128_context.c
@@ -254,7 +254,7 @@ GLboolean r128CreateContext( const __GLcontextModes *glVisual,
    _tnl_allow_vertex_fog( ctx, GL_TRUE );
 
    driInitExtensions( ctx, card_extensions, GL_TRUE );
-   if (sPriv->drmMinor >= 4)
+   if (sPriv->drm_version.minor >= 4)
       _mesa_enable_extension( ctx, "GL_MESA_ycbcr_texture" );
 
    r128InitTriFuncs( ctx );
diff --git a/src/mesa/drivers/dri/r128/r128_screen.c b/src/mesa/drivers/dri/r128/r128_screen.c
index 880dee85c25..9d65ebddf7d 100644
--- a/src/mesa/drivers/dri/r128/r128_screen.c
+++ b/src/mesa/drivers/dri/r128/r128_screen.c
@@ -98,9 +98,7 @@ r128CreateScreen( __DRIscreenPrivate *sPriv )
 {
    r128ScreenPtr r128Screen;
    R128DRIPtr r128DRIPriv = (R128DRIPtr)sPriv->pDevPriv;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-   void * const psc = sPriv->psc->screenConfigs;
+   int i;
 
    if (sPriv->devPrivSize != sizeof(R128DRIRec)) {
       fprintf(stderr,"\nERROR!  sizeof(R128DRIRec) does not match passed size from device driver\n");
@@ -121,7 +119,7 @@ r128CreateScreen( __DRIscreenPrivate *sPriv )
    r128Screen->IsPCI = r128DRIPriv->IsPCI;
    r128Screen->sarea_priv_offset = r128DRIPriv->sarea_priv_offset;
    
-   if (sPriv->drmMinor >= 3) {
+   if (sPriv->drm_version.minor >= 3) {
       drm_r128_getparam_t gp;
       int ret;
 
@@ -226,15 +224,14 @@ r128CreateScreen( __DRIscreenPrivate *sPriv )
 
    r128Screen->driScreen = sPriv;
 
-   if ( glx_enable_extension != NULL ) {
-      if ( r128Screen->irq != 0 ) {
-	 (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
-	 (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
-	 (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
-      }
-
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
+   i = 0;
+   r128Screen->extensions[i++] = &driFrameTrackingExtension.base;
+   if ( r128Screen->irq != 0 ) {
+       r128Screen->extensions[i++] = &driSwapControlExtension.base;
+       r128Screen->extensions[i++] = &driMediaStreamCounterExtension.base;
    }
+   r128Screen->extensions[i++] = NULL;
+   sPriv->extensions = r128Screen->extensions;
 
    return r128Screen;
 }
@@ -404,7 +401,6 @@ r128InitDriver( __DRIscreenPrivate *sPriv )
 
 
 static struct __DriverAPIRec r128API = {
-   .InitDriver      = r128InitDriver,
    .DestroyScreen   = r128DestroyScreen,
    .CreateContext   = r128CreateContext,
    .DestroyContext  = r128DestroyContext,
@@ -504,64 +500,43 @@ r128FillInModes( unsigned pixel_bits, unsigned depth_bits,
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd, 
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 4, 0, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 2, 2, 0 };
+   R128DRIPtr dri_priv = (R128DRIPtr) psp->pDevPriv;
 
-
-   dri_interface = interface;
-
+   psp->DriverAPI = r128API;
    if ( ! driCheckDriDdxDrmVersions2( "Rage128",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) )
       return NULL;
-   }
-      
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &r128API);
-   if ( psp != NULL ) {
-      R128DRIPtr dri_priv = (R128DRIPtr) psp->pDevPriv;
-      *driver_modes = r128FillInModes( dri_priv->bpp,
-				       (dri_priv->bpp == 16) ? 16 : 24,
-				       (dri_priv->bpp == 16) ? 0  : 8,
-				       (dri_priv->backOffset != dri_priv->depthOffset) );
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
-   }
 
-   return (void *) psp;
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+
+   if (!r128InitDriver(psp))
+       return NULL;
+
+   return r128FillInModes( dri_priv->bpp,
+			   (dri_priv->bpp == 16) ? 16 : 24,
+			   (dri_priv->bpp == 16) ? 0  : 8,
+			   (dri_priv->backOffset != dri_priv->depthOffset) );
 }
diff --git a/src/mesa/drivers/dri/r128/r128_screen.h b/src/mesa/drivers/dri/r128/r128_screen.h
index 8db8eea3587..c333713766c 100644
--- a/src/mesa/drivers/dri/r128/r128_screen.h
+++ b/src/mesa/drivers/dri/r128/r128_screen.h
@@ -78,6 +78,8 @@ typedef struct {
    /* Configuration cache with default values for all contexts */
    driOptionCache optionCache;
 
+   const __DRIextension *extensions[4];
+
 } r128ScreenRec, *r128ScreenPtr;
 
 
diff --git a/src/mesa/drivers/dri/r200/r200_context.c b/src/mesa/drivers/dri/r200/r200_context.c
index 5a178442bdb..8f43a2f3128 100644
--- a/src/mesa/drivers/dri/r200/r200_context.c
+++ b/src/mesa/drivers/dri/r200/r200_context.c
@@ -277,14 +277,14 @@ GLboolean r200CreateContext( const __GLcontextModes *glVisual,
                                                  "def_max_anisotropy");
 
    if ( driQueryOptionb( &rmesa->optionCache, "hyperz" ) ) {
-      if ( sPriv->drmMinor < 13 )
+      if ( sPriv->drm_version.minor < 13 )
 	 fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
-			  "disabling.\n",sPriv->drmMinor );
+			  "disabling.\n", sPriv->drm_version.minor );
       else
 	 rmesa->using_hyperz = GL_TRUE;
    }
  
-   if ( sPriv->drmMinor >= 15 )
+   if ( sPriv->drm_version.minor >= 15 )
       rmesa->texmicrotile = GL_TRUE;
 
    /* Init default driver functions then plug in our R200-specific functions
@@ -317,7 +317,7 @@ GLboolean r200CreateContext( const __GLcontextModes *glVisual,
    rmesa->dri.hwContext = driContextPriv->hHWContext;
    rmesa->dri.hwLock = &sPriv->pSAREA->lock;
    rmesa->dri.fd = sPriv->fd;
-   rmesa->dri.drmMinor = sPriv->drmMinor;
+   rmesa->dri.drmMinor = sPriv->drm_version.minor;
 
    rmesa->r200Screen = screen;
    rmesa->sarea = (drm_radeon_sarea_t *)((GLubyte *)sPriv->pSAREA +
diff --git a/src/mesa/drivers/dri/r200/r200_ioctl.c b/src/mesa/drivers/dri/r200/r200_ioctl.c
index 2366bde5250..c9c5a861722 100644
--- a/src/mesa/drivers/dri/r200/r200_ioctl.c
+++ b/src/mesa/drivers/dri/r200/r200_ioctl.c
@@ -857,7 +857,7 @@ void r200Finish( GLcontext *ctx )
  * the kernel data structures, and the current context to get the
  * device fd.
  */
-void *r200AllocateMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLsizei size,
+void *r200AllocateMemoryMESA(__DRIscreen *screen, GLsizei size,
 			     GLfloat readfreq, GLfloat writefreq, 
 			     GLfloat priority)
 {
@@ -899,7 +899,7 @@ void *r200AllocateMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLsizei size,
 
 
 /* Called via glXFreeMemoryMESA() */
-void r200FreeMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer)
+void r200FreeMemoryMESA(__DRIscreen *screen, GLvoid *pointer)
 {
    GET_CURRENT_CONTEXT(ctx);
    r200ContextPtr rmesa;
@@ -936,7 +936,7 @@ void r200FreeMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer)
 }
 
 /* Called via glXGetMemoryOffsetMESA() */
-GLuint r200GetMemoryOffsetMESA(__DRInativeDisplay *dpy, int scrn, const GLvoid *pointer)
+GLuint r200GetMemoryOffsetMESA(__DRIscreen *screen, const GLvoid *pointer)
 {
    GET_CURRENT_CONTEXT(ctx);
    r200ContextPtr rmesa;
diff --git a/src/mesa/drivers/dri/r200/r200_ioctl.h b/src/mesa/drivers/dri/r200/r200_ioctl.h
index 5ed1555f6a3..bf126799472 100644
--- a/src/mesa/drivers/dri/r200/r200_ioctl.h
+++ b/src/mesa/drivers/dri/r200/r200_ioctl.h
@@ -98,10 +98,10 @@ extern void r200WaitForIdleLocked( r200ContextPtr rmesa );
 extern void r200WaitForVBlank( r200ContextPtr rmesa );
 extern void r200InitIoctlFuncs( struct dd_function_table *functions );
 
-extern void *r200AllocateMemoryMESA( __DRInativeDisplay *dpy, int scrn, GLsizei size, GLfloat readfreq,
+extern void *r200AllocateMemoryMESA( __DRIscreen *screen, GLsizei size, GLfloat readfreq,
 				   GLfloat writefreq, GLfloat priority );
-extern void r200FreeMemoryMESA( __DRInativeDisplay *dpy, int scrn, GLvoid *pointer );
-extern GLuint r200GetMemoryOffsetMESA( __DRInativeDisplay *dpy, int scrn, const GLvoid *pointer );
+extern void r200FreeMemoryMESA( __DRIscreen *screen, GLvoid *pointer );
+extern GLuint r200GetMemoryOffsetMESA( __DRIscreen *screen, const GLvoid *pointer );
 
 extern GLboolean r200IsGartMemory( r200ContextPtr rmesa, const GLvoid *pointer,
 				   GLint size );
diff --git a/src/mesa/drivers/dri/r300/radeon_context.c b/src/mesa/drivers/dri/r300/radeon_context.c
index e9634b427a6..6dfaf3c6472 100644
--- a/src/mesa/drivers/dri/r300/radeon_context.c
+++ b/src/mesa/drivers/dri/r300/radeon_context.c
@@ -156,7 +156,7 @@ GLboolean radeonInitContext(radeonContextPtr radeon,
 	radeon->dri.hwContext = driContextPriv->hHWContext;
 	radeon->dri.hwLock = &sPriv->pSAREA->lock;
 	radeon->dri.fd = sPriv->fd;
-	radeon->dri.drmMinor = sPriv->drmMinor;
+	radeon->dri.drmMinor = sPriv->drm_version.minor;
 
 	radeon->radeonScreen = screen;
 	radeon->sarea = (drm_radeon_sarea_t *) ((GLubyte *) sPriv->pSAREA +
diff --git a/src/mesa/drivers/dri/radeon/radeon_context.c b/src/mesa/drivers/dri/radeon/radeon_context.c
index b302275c714..defc82fa26b 100644
--- a/src/mesa/drivers/dri/radeon/radeon_context.c
+++ b/src/mesa/drivers/dri/radeon/radeon_context.c
@@ -233,14 +233,14 @@ radeonCreateContext( const __GLcontextModes *glVisual,
                                                  "def_max_anisotropy");
 
    if ( driQueryOptionb( &rmesa->optionCache, "hyperz" ) ) {
-      if ( sPriv->drmMinor < 13 )
+      if ( sPriv->drm_version.minor < 13 )
 	 fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
-			  "disabling.\n",sPriv->drmMinor );
+			  "disabling.\n", sPriv->drm_version.minor );
       else
 	 rmesa->using_hyperz = GL_TRUE;
    }
 
-   if ( sPriv->drmMinor >= 15 )
+   if ( sPriv->drm_version.minor >= 15 )
       rmesa->texmicrotile = GL_TRUE;
 
    /* Init default driver functions then plug in our Radeon-specific functions
@@ -271,7 +271,7 @@ radeonCreateContext( const __GLcontextModes *glVisual,
    rmesa->dri.hwContext = driContextPriv->hHWContext;
    rmesa->dri.hwLock = &sPriv->pSAREA->lock;
    rmesa->dri.fd = sPriv->fd;
-   rmesa->dri.drmMinor = sPriv->drmMinor;
+   rmesa->dri.drmMinor = sPriv->drm_version.minor;
 
    rmesa->radeonScreen = screen;
    rmesa->sarea = (drm_radeon_sarea_t *)((GLubyte *)sPriv->pSAREA +
diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.c b/src/mesa/drivers/dri/radeon/radeon_screen.c
index 682cf3a5ee5..10d3c2b27ca 100644
--- a/src/mesa/drivers/dri/radeon/radeon_screen.c
+++ b/src/mesa/drivers/dri/radeon/radeon_screen.c
@@ -332,6 +332,21 @@ radeonFillInModes( unsigned pixel_bits, unsigned depth_bits,
     return modes;
 }
 
+#if RADEON_COMMON && defined(RADEON_COMMON_FOR_R200)
+static const __DRIallocateExtension r200AllocateExtension = {
+    { __DRI_ALLOCATE, __DRI_ALLOCATE_VERSION },
+    r200AllocateMemoryMESA,
+    r200FreeMemoryMESA,
+    r200GetMemoryOffsetMESA
+};
+#endif
+
+#if RADEON_COMMON && defined(RADEON_COMMON_FOR_R300)
+static const __DRItexOffsetExtension r300texOffsetExtension = {
+    { __DRI_TEX_OFFSET, __DRI_TEX_OFFSET_VERSION },
+   r300SetTexOffset,
+};
+#endif
 
 /* Create the device specific screen private data struct.
  */
@@ -341,9 +356,7 @@ radeonCreateScreen( __DRIscreenPrivate *sPriv )
    radeonScreenPtr screen;
    RADEONDRIPtr dri_priv = (RADEONDRIPtr)sPriv->pDevPriv;
    unsigned char *RADEONMMIO;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-   void * const psc = sPriv->psc->screenConfigs;
+   int i;
 
    if (sPriv->devPrivSize != sizeof(RADEONDRIRec)) {
       fprintf(stderr,"\nERROR!  sizeof(RADEONDRIRec) does not match passed size from device driver\n");
@@ -396,13 +409,13 @@ radeonCreateScreen( __DRIscreenPrivate *sPriv )
 	 fprintf(stderr, "drm_radeon_getparam_t (RADEON_PARAM_IRQ_NR): %d\n", ret);
 	 return NULL;
       }
-      screen->drmSupportsCubeMapsR200 = (sPriv->drmMinor >= 7);
-      screen->drmSupportsBlendColor = (sPriv->drmMinor >= 11);
-      screen->drmSupportsTriPerf = (sPriv->drmMinor >= 16);
-      screen->drmSupportsFragShader = (sPriv->drmMinor >= 18);
-      screen->drmSupportsPointSprites = (sPriv->drmMinor >= 13);
-      screen->drmSupportsCubeMapsR100 = (sPriv->drmMinor >= 15);
-      screen->drmSupportsVertexProgram = (sPriv->drmMinor >= 25);
+      screen->drmSupportsCubeMapsR200 = (sPriv->drm_version.minor >= 7);
+      screen->drmSupportsBlendColor = (sPriv->drm_version.minor >= 11);
+      screen->drmSupportsTriPerf = (sPriv->drm_version.minor >= 16);
+      screen->drmSupportsFragShader = (sPriv->drm_version.minor >= 18);
+      screen->drmSupportsPointSprites = (sPriv->drm_version.minor >= 13);
+      screen->drmSupportsCubeMapsR100 = (sPriv->drm_version.minor >= 15);
+      screen->drmSupportsVertexProgram = (sPriv->drm_version.minor >= 25);
    }
 
    screen->mmio.handle = dri_priv->registerHandle;
@@ -667,7 +680,7 @@ radeonCreateScreen( __DRIscreenPrivate *sPriv )
       return NULL;
    }
    if ((screen->chip_family == CHIP_FAMILY_R350 || screen->chip_family == CHIP_FAMILY_R300) &&
-       sPriv->ddxMinor < 2) {
+       sPriv->ddx_version.minor < 2) {
       fprintf(stderr, "xf86-video-ati-6.6.2 or newer needed for Radeon 9500/9700/9800 cards.\n");
       return NULL;
    }
@@ -684,7 +697,7 @@ radeonCreateScreen( __DRIscreenPrivate *sPriv )
 
    screen->fbLocation	= ( INREG( RADEON_MC_FB_LOCATION ) & 0xffff ) << 16;
 
-   if ( sPriv->drmMinor >= 10 ) {
+   if ( sPriv->drm_version.minor >= 10 ) {
       drm_radeon_setparam_t sp;
 
       sp.param = RADEON_SETPARAM_FB_LOCATION;
@@ -702,7 +715,7 @@ radeonCreateScreen( __DRIscreenPrivate *sPriv )
    screen->depthPitch	= dri_priv->depthPitch;
 
    /* Check if ddx has set up a surface reg to cover depth buffer */
-   screen->depthHasSurface = ((sPriv->ddxMajor > 4) &&
+   screen->depthHasSurface = ((sPriv->ddx_version.major > 4) &&
       (screen->chip_flags & RADEON_CHIPSET_TCL));
 
    if ( dri_priv->textureSize == 0 ) {
@@ -732,29 +745,28 @@ radeonCreateScreen( __DRIscreenPrivate *sPriv )
 	 dri_priv->log2GARTTexGran;
    }
 
-   if ( glx_enable_extension != NULL ) {
-      if ( screen->irq != 0 ) {
-	 (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
-	 (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
-	 (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
-      }
-
-      (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
-      if (IS_R200_CLASS(screen))
-	 (*glx_enable_extension)( psc, "GLX_MESA_allocate_memory" );
+   i = 0;
+   screen->extensions[i++] = &driCopySubBufferExtension.base;
+   screen->extensions[i++] = &driFrameTrackingExtension.base;
+   screen->extensions[i++] = &driReadDrawableExtension;
 
-      (*glx_enable_extension)( psc, "GLX_MESA_copy_sub_buffer" );
-      (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" );
+   if ( screen->irq != 0 ) {
+       screen->extensions[i++] = &driSwapControlExtension.base;
+       screen->extensions[i++] = &driMediaStreamCounterExtension.base;
    }
 
 #if RADEON_COMMON && defined(RADEON_COMMON_FOR_R200)
-   if (IS_R200_CLASS(screen)) {
-      sPriv->psc->allocateMemory = (void *) r200AllocateMemoryMESA;
-      sPriv->psc->freeMemory     = (void *) r200FreeMemoryMESA;
-      sPriv->psc->memoryOffset   = (void *) r200GetMemoryOffsetMESA;
-   }
+   if (IS_R200_CLASS(screen))
+       screen->extensions[i++] = &r200AllocateExtension.base;
+#endif
+
+#if RADEON_COMMON && defined(RADEON_COMMON_FOR_R300)
+   screen->extensions[i++] = &r300texOffsetExtension.base;
 #endif
 
+   screen->extensions[i++] = NULL;
+   sPriv->extensions = screen->extensions;
+
    screen->driScreen = sPriv;
    screen->sarea_priv_offset = dri_priv->sarea_priv_offset;
    return screen;
@@ -939,7 +951,6 @@ static void radeonDestroyContext(__DRIcontextPrivate * driContextPriv)
 
 #if !RADEON_COMMON || (RADEON_COMMON && defined(RADEON_COMMON_FOR_R300))
 static struct __DriverAPIRec radeonAPI = {
-   .InitDriver      = radeonInitDriver,
    .DestroyScreen   = radeonDestroyScreen,
    .CreateContext   = radeonCreateContext,
    .DestroyContext  = radeonDestroyContext,
@@ -954,13 +965,9 @@ static struct __DriverAPIRec radeonAPI = {
    .WaitForSBC      = NULL,
    .SwapBuffersMSC  = NULL,
    .CopySubBuffer   = radeonCopySubBuffer,
-#if RADEON_COMMON && defined(RADEON_COMMON_FOR_R300)
-   .setTexOffset    = r300SetTexOffset,
-#endif
 };
 #else
 static const struct __DriverAPIRec r200API = {
-   .InitDriver      = radeonInitDriver,
    .DestroyScreen   = radeonDestroyScreen,
    .CreateContext   = r200CreateContext,
    .DestroyContext  = r200DestroyContext,
@@ -979,30 +986,16 @@ static const struct __DriverAPIRec r200API = {
 };
 #endif
 
+
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
+ * 
+ * \todo maybe fold this into intelInitDriver
  *
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC void *
-__driCreateNewScreen_20050727( __DRInativeDisplay *dpy,
-                             int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd,
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
 #if !RADEON_COMMON
    static const char *driver_name = "Radeon";
    static const __DRIutilversion2 ddx_expected = { 4, 5, 0, 0 };
@@ -1019,57 +1012,46 @@ __driCreateNewScreen_20050727( __DRInativeDisplay *dpy,
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 24, 0 };
 #endif
-
-   dri_interface = interface;
+   RADEONDRIPtr dri_priv = (RADEONDRIPtr) psp->pDevPriv;
 
    if ( ! driCheckDriDdxDrmVersions3( driver_name,
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) ) {
       return NULL;
    }
 #if !RADEON_COMMON || (RADEON_COMMON && defined(RADEON_COMMON_FOR_R300))
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &radeonAPI);
+   psp->DriverAPI = radeonAPI;
 #elif RADEON_COMMON && defined(RADEON_COMMON_FOR_R200)
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &r200API);
+   psp->DriverAPI = r200API;
 #endif
 
-   if ( psp != NULL ) {
-      RADEONDRIPtr dri_priv = (RADEONDRIPtr) psp->pDevPriv;
-      if (driver_modes) {
-         *driver_modes = radeonFillInModes( dri_priv->bpp,
-                                            (dri_priv->bpp == 16) ? 16 : 24,
-                                            (dri_priv->bpp == 16) ? 0  : 8,
-                                            (dri_priv->backOffset != dri_priv->depthOffset) );
-      }
-
-      /* Calling driInitExtensions here, with a NULL context pointer,
-       * does not actually enable the extensions.  It just makes sure
-       * that all the dispatch offsets for all the extensions that
-       * *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create
-       * is called, but we can't enable the extensions until we have a
-       * context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create
+    * is called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
 #if RADEON_COMMON && defined(RADEON_COMMON_FOR_R200)
-      driInitExtensions( NULL, blend_extensions, GL_FALSE );
-      driInitSingleExtension( NULL, ARB_vp_extension );
-      driInitSingleExtension( NULL, NV_vp_extension );
-      driInitSingleExtension( NULL, ATI_fs_extension );
-      driInitExtensions( NULL, point_extensions, GL_FALSE );
+   driInitExtensions( NULL, blend_extensions, GL_FALSE );
+   driInitSingleExtension( NULL, ARB_vp_extension );
+   driInitSingleExtension( NULL, NV_vp_extension );
+   driInitSingleExtension( NULL, ATI_fs_extension );
+   driInitExtensions( NULL, point_extensions, GL_FALSE );
 #endif
-   }
 
-   return (void *) psp;
+   if (!radeonInitDriver(psp))
+       return NULL;
+
+   return radeonFillInModes( dri_priv->bpp,
+			     (dri_priv->bpp == 16) ? 16 : 24,
+			     (dri_priv->bpp == 16) ? 0  : 8,
+			     (dri_priv->backOffset != dri_priv->depthOffset) );
 }
 
 
diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.h b/src/mesa/drivers/dri/radeon/radeon_screen.h
index 25e6fcf399a..184b0d225ef 100644
--- a/src/mesa/drivers/dri/radeon/radeon_screen.h
+++ b/src/mesa/drivers/dri/radeon/radeon_screen.h
@@ -103,6 +103,8 @@ typedef struct {
 
    /* Configuration cache with default values for all contexts */
    driOptionCache optionCache;
+
+   const __DRIextension *extensions[8];
 } radeonScreenRec, *radeonScreenPtr;
 
 #define IS_R100_CLASS(screen) \
diff --git a/src/mesa/drivers/dri/s3v/s3v_xmesa.c b/src/mesa/drivers/dri/s3v/s3v_xmesa.c
index c66fd6dac31..7b0b006b695 100644
--- a/src/mesa/drivers/dri/s3v/s3v_xmesa.c
+++ b/src/mesa/drivers/dri/s3v/s3v_xmesa.c
@@ -329,7 +329,6 @@ s3vUnbindContext( __DRIcontextPrivate *driContextPriv )
 
 
 static struct __DriverAPIRec s3vAPI = {
-   s3vInitDriver,
    s3vDestroyScreen,
    s3vCreateContext,
    s3vDestroyContext,
@@ -355,6 +354,9 @@ void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
    DEBUG(("__driCreateScreen: psp = %p\n", psp));
    psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &s3vAPI);
    DEBUG(("__driCreateScreen: psp = %p\n", psp));
+   if (!s3vInitDriver(psp))
+       return NULLL
+
    return (void *) psp;
 }
 #endif
diff --git a/src/mesa/drivers/dri/savage/savage_xmesa.c b/src/mesa/drivers/dri/savage/savage_xmesa.c
index 43422db9a82..013e88216fa 100644
--- a/src/mesa/drivers/dri/savage/savage_xmesa.c
+++ b/src/mesa/drivers/dri/savage/savage_xmesa.c
@@ -168,6 +168,10 @@ static const struct tnl_pipeline_stage *savage_pipeline[] = {
 };
 
 
+static const __DRIextension *savageExtensions[] = {
+    &driReadDrawableExtension,
+};
+
 /* this is first function called in dirver*/
 
 static GLboolean
@@ -175,9 +179,6 @@ savageInitDriver(__DRIscreenPrivate *sPriv)
 {
   savageScreenPrivate *savageScreen;
   SAVAGEDRIPtr         gDRIPriv = (SAVAGEDRIPtr)sPriv->pDevPriv;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-
 
    if (sPriv->devPrivSize != sizeof(SAVAGEDRIRec)) {
       fprintf(stderr,"\nERROR!  sizeof(SAVAGEDRIRec) does not match passed size from device driver\n");
@@ -265,10 +266,7 @@ savageInitDriver(__DRIscreenPrivate *sPriv)
    driParseOptionInfo (&savageScreen->optionCache,
 		       __driConfigOptions, __driNConfigOptions);
 
-   if (glx_enable_extension != NULL) {
-      (*glx_enable_extension)(sPriv->psc->screenConfigs,
-			      "GLX_SGI_make_current_read");
-   }
+   sPriv->extensions = savageExtensions;
 
 #if 0
    savageDDFastPathInit();
@@ -525,7 +523,7 @@ savageCreateContext( const __GLcontextModes *mesaVis,
 					    "enable_fastpath");
    /* DRM versions before 2.1.3 would only render triangle lists. ELTS
     * support was added in 2.2.0. */
-   if (imesa->enable_fastpath && sPriv->drmMinor < 2) {
+   if (imesa->enable_fastpath && sPriv->drm_version.minor < 2) {
       fprintf (stderr,
 	       "*** Disabling fast path because your DRM version is buggy "
 	       "or doesn't\n*** support ELTS. You need at least Savage DRM "
@@ -920,7 +918,6 @@ void savageGetLock( savageContextPtr imesa, GLuint flags )
 
 
 static const struct __DriverAPIRec savageAPI = {
-   savageInitDriver,
    savageDestroyScreen,
    savageCreateContext,
    savageDestroyContext,
@@ -1017,63 +1014,44 @@ savageFillInModes( unsigned pixel_bits, unsigned depth_bits,
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd, 
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 2, 0, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 2, 1, 0 };
-
-   dri_interface = interface;
+   SAVAGEDRIPtr dri_priv = (SAVAGEDRIPtr)psp->pDevPriv;
 
    if ( ! driCheckDriDdxDrmVersions2( "Savage",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) )
       return NULL;
-   }
-      
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &savageAPI);
-   if ( psp != NULL ) {
-      SAVAGEDRIPtr dri_priv = (SAVAGEDRIPtr)psp->pDevPriv;
-      *driver_modes = savageFillInModes( dri_priv->cpp*8,
-					 (dri_priv->cpp == 2) ? 16 : 24,
-					 (dri_priv->cpp == 2) ? 0  : 8,
-					 (dri_priv->backOffset != dri_priv->depthOffset) );
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
-   }
 
-   return (void *) psp;
+   psp->DriverAPI = savageAPI;
+
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+
+   if (!savageInitDriver(psp))
+       return NULL;
+
+   return savageFillInModes( dri_priv->cpp*8,
+			     (dri_priv->cpp == 2) ? 16 : 24,
+			     (dri_priv->cpp == 2) ? 0  : 8,
+			     (dri_priv->backOffset != dri_priv->depthOffset) );
 }
diff --git a/src/mesa/drivers/dri/savage/savagetex.c b/src/mesa/drivers/dri/savage/savagetex.c
index 719e50f964c..1dcfee291f5 100644
--- a/src/mesa/drivers/dri/savage/savagetex.c
+++ b/src/mesa/drivers/dri/savage/savagetex.c
@@ -1016,7 +1016,7 @@ static void savageUploadTexImages( savageContextPtr imesa, savageTexObjPtr t )
       /* Heap timestamps are only reliable with Savage DRM 2.3.x or
        * later. Earlier versions had only 16 bit time stamps which
        * would wrap too frequently. */
-      if (imesa->savageScreen->driScrnPriv->drmMinor >= 3) {
+      if (imesa->savageScreen->driScrnPriv->drm_version.minor >= 3) {
 	  unsigned int heap = t->base.heap->heapId;
 	  LOCK_HARDWARE(imesa);
 	  savageWaitEvent (imesa, imesa->textureHeaps[heap]->timestamp);
@@ -1713,7 +1713,7 @@ static void savageTimestampTextures( savageContextPtr imesa )
     * Only useful with long-lived 32-bit event tags available
     * with Savage DRM 2.3.x or later. */
    if ((imesa->CurrentTexObj[0] || imesa->CurrentTexObj[1]) &&
-       imesa->savageScreen->driScrnPriv->drmMinor >= 3) {
+       imesa->savageScreen->driScrnPriv->drm_version.minor >= 3) {
        unsigned int e;
        FLUSH_BATCH(imesa);
        e = savageEmitEvent(imesa, SAVAGE_WAIT_3D);
diff --git a/src/mesa/drivers/dri/sis/sis_screen.c b/src/mesa/drivers/dri/sis/sis_screen.c
index 89d734ba786..79682a72530 100644
--- a/src/mesa/drivers/dri/sis/sis_screen.c
+++ b/src/mesa/drivers/dri/sis/sis_screen.c
@@ -304,7 +304,6 @@ sisInitDriver( __DRIscreenPrivate *sPriv )
 }
 
 static struct __DriverAPIRec sisAPI = {
-   .InitDriver      = sisInitDriver,
    .DestroyScreen   = sisDestroyScreen,
    .CreateContext   = sisCreateContext,
    .DestroyContext  = sisDestroyContext,
@@ -323,60 +322,42 @@ static struct __DriverAPIRec sisAPI = {
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
+ * 
+ * \todo maybe fold this into intelInitDriver
  *
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn,
-			     __DRIscreen *psc,
-			     const __GLcontextModes *modes,
-			     const __DRIversion *ddx_version,
-			     const __DRIversion *dri_version,
-			     const __DRIversion *drm_version,
-			     const __DRIframebuffer *frame_buffer,
-			     drmAddress pSAREA, int fd,
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes **driver_modes )
-
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = {0, 8, 0};
    static const __DRIversion dri_expected = {4, 0, 0};
    static const __DRIversion drm_expected = {1, 0, 0};
    static const char *driver_name = "SiS";
-   dri_interface = interface;
+   SISDRIPtr dri_priv = (SISDRIPtr)psp->pDevPriv;
 
-   if (!driCheckDriDdxDrmVersions2(driver_name, dri_version, &dri_expected,
-				   ddx_version, &ddx_expected,
-				   drm_version, &drm_expected)) {
+   if (!driCheckDriDdxDrmVersions2(driver_name,
+				   &psp->dri_version, &dri_expected,
+				   &psp->ddx_version, &ddx_expected,
+				   &psp->drm_version, &drm_expected))
       return NULL;
-   }
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &sisAPI);
-   if (psp != NULL) {
-      SISDRIPtr dri_priv = (SISDRIPtr)psp->pDevPriv;
-      *driver_modes = sisFillInModes(dri_priv->bytesPerPixel * 8);
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
-   }
+   psp->DriverAPI = sisAPI;
+
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+
+   if (!sisInitDriver(psp))
+       return NULL;
 
-   return (void *)psp;
+   return sisFillInModes(dri_priv->bytesPerPixel * 8);
 }
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_screen.c b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
index 1f9ff4e30ca..5bdb446d155 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_screen.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
@@ -63,6 +63,10 @@ DRI_CONF_BEGIN
     DRI_CONF_SECTION_END
 DRI_CONF_END;
 
+static const __DRIextension *tdfxExtensions[] = {
+    &driReadDrawableExtension,
+};
+
 static const GLuint __driNConfigOptions = 1;
 
 extern const struct dri_extension card_extensions[];
@@ -73,9 +77,6 @@ tdfxCreateScreen( __DRIscreenPrivate *sPriv )
 {
    tdfxScreenPrivate *fxScreen;
    TDFXDRIPtr fxDRIPriv = (TDFXDRIPtr) sPriv->pDevPriv;
-   PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-     (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-   void *const psc = sPriv->psc->screenConfigs;
 
    if (sPriv->devPrivSize != sizeof(TDFXDRIRec)) {
       fprintf(stderr,"\nERROR!  sizeof(TDFXDRIRec) does not match passed size from device driver\n");
@@ -116,9 +117,7 @@ tdfxCreateScreen( __DRIscreenPrivate *sPriv )
       return GL_FALSE;
    }
 
-   if (glx_enable_extension != NULL) {
-      (*glx_enable_extension)(psc, "GLX_SGI_make_current_read");
-   }
+   sPriv->extensions = tdfxExtensions;
 
    return GL_TRUE;
 }
@@ -346,7 +345,6 @@ tdfxSwapBuffers( __DRIdrawablePrivate *driDrawPriv )
 
 
 static const struct __DriverAPIRec tdfxAPI = {
-   .InitDriver      = tdfxInitDriver,
    .DestroyScreen   = tdfxDestroyScreen,
    .CreateContext   = tdfxCreateContext,
    .DestroyContext  = tdfxDestroyContext,
@@ -432,69 +430,50 @@ static __GLcontextModes *tdfxFillInModes(unsigned pixel_bits,
 }
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
+ * 
+ * \todo maybe fold this into intelInitDriver
  *
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
- *         failure.
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd,
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 1, 1, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 1, 0, 0 };
 
-   dri_interface = interface;
+   /* divined from tdfx_dri.c, sketchy */
+   TDFXDRIPtr dri_priv = (TDFXDRIPtr) psp->pDevPriv;
+
+   /* XXX i wish it was like this */
+   /* bpp = dri_priv->bpp */
+   int bpp = (dri_priv->cpp > 2) ? 24 : 16;
 
    if ( ! driCheckDriDdxDrmVersions2( "tdfx",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) )
       return NULL;
-   }
 
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-   				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &tdfxAPI);
-
-   if (psp != NULL) {
-      /* divined from tdfx_dri.c, sketchy */
-      TDFXDRIPtr dri_priv = (TDFXDRIPtr) psp->pDevPriv;
-      int bpp = (dri_priv->cpp > 2) ? 24 : 16;
+   psp->DriverAPI = tdfxAPI;
+
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+   driInitExtensions( NULL, napalm_extensions, GL_FALSE );
 
-      /* XXX i wish it was like this */
-      /* bpp = dri_priv->bpp */
+   if (!tdfxInitDriver(psp))
+      return NULL;
       
-      *driver_modes = tdfxFillInModes(bpp, (bpp == 16) ? 16 : 24,
-				(bpp == 16) ? 0 : 8,
-				(dri_priv->backOffset!=dri_priv->depthOffset));
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
-      driInitExtensions( NULL, napalm_extensions, GL_FALSE );
-   }
-
-   return (void *)psp;
+   return tdfxFillInModes(bpp, (bpp == 16) ? 16 : 24,
+			  (bpp == 16) ? 0 : 8,
+			  (dri_priv->backOffset!=dri_priv->depthOffset));
 }
diff --git a/src/mesa/drivers/dri/trident/trident_context.c b/src/mesa/drivers/dri/trident/trident_context.c
index 8dc7f0dc781..81098bc9cdf 100644
--- a/src/mesa/drivers/dri/trident/trident_context.c
+++ b/src/mesa/drivers/dri/trident/trident_context.c
@@ -418,7 +418,6 @@ tridentInitDriver(__DRIscreenPrivate *sPriv)
 }
 
 static struct __DriverAPIRec tridentAPI = {
-   tridentInitDriver,
    tridentDestroyScreen,
    tridentCreateContext,
    tridentDestroyContext,
@@ -430,43 +429,36 @@ static struct __DriverAPIRec tridentAPI = {
 };
 
 
-PUBLIC void *__driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn,
-                                   __DRIscreen *psc,
-                                   const __GLcontextModes * modes,
-                                   const __DRIversion * ddx_version,
-                                   const __DRIversion * dri_version,
-                                   const __DRIversion * drm_version,
-                                   const __DRIframebuffer * frame_buffer,
-                                   drmAddress pSAREA, int fd,
-                                   int internal_api_version,
-				   const __DRIinterfaceMethods * interface,
-                                   __GLcontextModes ** driver_modes )
+/**
+ * This is the driver specific part of the createNewScreen entry point.
+ * 
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
+ */
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-    __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 4, 0, 0 };
    static const __DRIversion dri_expected = { 3, 1, 0 };
    static const __DRIversion drm_expected = { 1, 0, 0 };
-
-   dri_interface = interface;
-
+   
    if ( ! driCheckDriDdxDrmVersions2( "Trident",
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected ) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected ) )
       return NULL;
-   }
 
-    psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-                                   ddx_version, dri_version, drm_version,
-                                   frame_buffer, pSAREA, fd,
-                                   internal_api_version, &tridentAPI);
+   psp->DriverAPI = tridentAPI;
+
+   if (!tridentInitDriver(psp))
+	return NULL;
 
-    if ( psp != NULL ) {
+    /* Wait... what?  This driver doesn't report any modes... */
 #if 0
-       TRIDENTDRIPtr dri_priv = (TRIDENTDRIPtr) psp->pDevPriv;
-       *driver_modes = tridentFillInModes( dri_priv->bytesPerPixel * 8,
-					   GL_TRUE );
+   TRIDENTDRIPtr dri_priv = (TRIDENTDRIPtr) psp->pDevPriv;
+   *driver_modes = tridentFillInModes( dri_priv->bytesPerPixel * 8,
+				       GL_TRUE );
 #endif
-    }
-    return (void *) psp;
+
+   return NULL;
 }
diff --git a/src/mesa/drivers/dri/unichrome/via_context.c b/src/mesa/drivers/dri/unichrome/via_context.c
index 7c738777209..66e92cc602e 100644
--- a/src/mesa/drivers/dri/unichrome/via_context.c
+++ b/src/mesa/drivers/dri/unichrome/via_context.c
@@ -601,9 +601,6 @@ viaCreateContext(const __GLcontextModes *visual,
     _tnl_allow_pixel_fog(ctx, GL_FALSE);
     _tnl_allow_vertex_fog(ctx, GL_TRUE);
 
-/*     vmesa->display = dpy; */
-    vmesa->display = sPriv->display;
-    
     vmesa->hHWContext = driContextPriv->hHWContext;
     vmesa->driFd = sPriv->fd;
     vmesa->driHwLock = &sPriv->pSAREA->lock;
diff --git a/src/mesa/drivers/dri/unichrome/via_context.h b/src/mesa/drivers/dri/unichrome/via_context.h
index fecd2782fba..63217136882 100644
--- a/src/mesa/drivers/dri/unichrome/via_context.h
+++ b/src/mesa/drivers/dri/unichrome/via_context.h
@@ -289,7 +289,6 @@ struct via_context {
    drm_context_t hHWContext;
    drm_hw_lock_t *driHwLock;
    int driFd;
-   __DRInativeDisplay *display;
 
    /**
     * DRI drawable bound to this context for drawing.
diff --git a/src/mesa/drivers/dri/unichrome/via_screen.c b/src/mesa/drivers/dri/unichrome/via_screen.c
index 90f76be44d4..f3912ac3521 100644
--- a/src/mesa/drivers/dri/unichrome/via_screen.c
+++ b/src/mesa/drivers/dri/unichrome/via_screen.c
@@ -98,9 +98,7 @@ viaInitDriver(__DRIscreenPrivate *sPriv)
 {
     viaScreenPrivate *viaScreen;
     VIADRIPtr gDRIPriv = (VIADRIPtr)sPriv->pDevPriv;
-    PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
-      (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
-    void * const psc = sPriv->psc->screenConfigs;
+    int i;
 
     if (sPriv->devPrivSize != sizeof(VIADRIRec)) {
       fprintf(stderr,"\nERROR!  sizeof(VIADRIRec) does not match passed size from device driver\n");
@@ -175,17 +173,17 @@ viaInitDriver(__DRIscreenPrivate *sPriv)
 
     viaScreen->sareaPrivOffset = gDRIPriv->sarea_priv_offset;
 
-    if ( glx_enable_extension != NULL ) {
-       if ( viaScreen->irqEnabled ) {
-	  (*glx_enable_extension)( psc, "GLX_SGI_swap_control" );
-	  (*glx_enable_extension)( psc, "GLX_SGI_video_sync" );
-	  (*glx_enable_extension)( psc, "GLX_MESA_swap_control" );
-       }
-
-       (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" );
-       (*glx_enable_extension)( psc, "GLX_MESA_swap_frame_usage" );
+    i = 0;
+    viaScreen->extensions[i++] = &driFrameTrackingExtension.base;
+    viaScreen->extensions[i++] = &driReadDrawableExtension;
+    if ( viaScreen->irqEnabled ) {
+	viaScreen->extensions[i++] = &driSwapControlExtension.base;
+	viaScreen->extensions[i++] = &driMediaStreamCounterExtension.base;
     }
 
+    viaScreen->extensions[i++] = NULL;
+    sPriv->extensions = viaScreen->extensions;
+
     return GL_TRUE;
 }
 
@@ -326,7 +324,6 @@ viaDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
 
 
 static struct __DriverAPIRec viaAPI = {
-   .InitDriver      = viaInitDriver,
    .DestroyScreen   = viaDestroyScreen,
    .CreateContext   = viaCreateContext,
    .DestroyContext  = viaDestroyContext,
@@ -408,67 +405,47 @@ viaFillInModes( unsigned pixel_bits, GLboolean have_back_buffer )
 
 
 /**
- * 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.
+ * This is the driver specific part of the createNewScreen entry point.
  * 
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
+ * \todo maybe fold this into intelInitDriver
+ *
+ * \return the __GLcontextModes supported by this driver
  */
-PUBLIC
-void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn,
-			     __DRIscreen *psc,
-			     const __GLcontextModes * modes,
-			     const __DRIversion * ddx_version,
-			     const __DRIversion * dri_version,
-			     const __DRIversion * drm_version,
-			     const __DRIframebuffer * frame_buffer,
-			     drmAddress pSAREA, int fd, 
-			     int internal_api_version,
-			     const __DRIinterfaceMethods * interface,
-			     __GLcontextModes ** driver_modes )
-			     
+__GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp)
 {
-   __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { VIA_DRIDDX_VERSION_MAJOR,
                                               VIA_DRIDDX_VERSION_MINOR,
                                               VIA_DRIDDX_VERSION_PATCH };
    static const __DRIversion dri_expected = { 4, 0, 0 };
    static const __DRIversion drm_expected = { 2, 3, 0 };
    static const char *driver_name = "Unichrome";
-
-   dri_interface = interface;
+   VIADRIPtr dri_priv = (VIADRIPtr) psp->pDevPriv;
 
    if ( ! driCheckDriDdxDrmVersions2( driver_name,
-				      dri_version, & dri_expected,
-				      ddx_version, & ddx_expected,
-				      drm_version, & drm_expected) ) {
+				      &psp->dri_version, & dri_expected,
+				      &psp->ddx_version, & ddx_expected,
+				      &psp->drm_version, & drm_expected) )
       return NULL;
-   }
-      
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-				  ddx_version, dri_version, drm_version,
-				  frame_buffer, pSAREA, fd,
-				  internal_api_version, &viaAPI);
-   if ( psp != NULL ) {
-      VIADRIPtr dri_priv = (VIADRIPtr) psp->pDevPriv;
-      *driver_modes = viaFillInModes( dri_priv->bytesPerPixel * 8,
-				      GL_TRUE );
-
-      /* Calling driInitExtensions here, with a NULL context pointer, does not actually
-       * enable the extensions.  It just makes sure that all the dispatch offsets for all
-       * the extensions that *might* be enables are known.  This is needed because the
-       * dispatch offsets need to be known when _mesa_context_create is called, but we can't
-       * enable the extensions until we have a context pointer.
-       *
-       * Hello chicken.  Hello egg.  How are you two today?
-       */
-      driInitExtensions( NULL, card_extensions, GL_FALSE );
-   }
 
-   return (void *) psp;
+   psp->DriverAPI = viaAPI;
+
+   /* Calling driInitExtensions here, with a NULL context pointer,
+    * does not actually enable the extensions.  It just makes sure
+    * that all the dispatch offsets for all the extensions that
+    * *might* be enables are known.  This is needed because the
+    * dispatch offsets need to be known when _mesa_context_create is
+    * called, but we can't enable the extensions until we have a
+    * context pointer.
+    *
+    * Hello chicken.  Hello egg.  How are you two today?
+    */
+   driInitExtensions( NULL, card_extensions, GL_FALSE );
+
+   if (!viaInitDriver(psp))
+       return NULL;
+
+   return viaFillInModes( dri_priv->bytesPerPixel * 8, GL_TRUE );
+
 }
 
 
diff --git a/src/mesa/drivers/dri/unichrome/via_screen.h b/src/mesa/drivers/dri/unichrome/via_screen.h
index 84aa5aef88e..c3ef722ff07 100644
--- a/src/mesa/drivers/dri/unichrome/via_screen.h
+++ b/src/mesa/drivers/dri/unichrome/via_screen.h
@@ -70,6 +70,8 @@ typedef struct {
 
     /* Configuration cache with default values for all contexts */
     driOptionCache optionCache;
+
+    const __DRIextension *extensions[5];
 } viaScreenPrivate;