diff --git a/exa/exa_render.c b/exa/exa_render.c
index 2187af8..d2704b8 100644
--- a/exa/exa_render.c
+++ b/exa/exa_render.c
@@ -335,6 +335,7 @@ exaTryDriverComposite(CARD8		op,
     PixmapPtr pSrcPix, pMaskPix = NULL, pDstPix;
     struct _Pixmap scratch;
     ExaMigrationRec pixmaps[3];
+    Bool srcOK, maskOK;
 
     /* Bail if we might exceed coord limits by rendering from/to these.  We
      * should really be making some scratch pixmaps with offsets and coords
@@ -399,21 +400,48 @@ exaTryDriverComposite(CARD8		op,
 	return 0;
     }
 
-    if (!pSrcPix && (!pMask || pMaskPix) && pExaScr->info->UploadToScratch) {
+    /*
+     * One pixel repeat pixmaps are considered usable for the 
+     * accelerator regardless of their current whereabouts.
+     * Currently only via/openChrome implements this optimzation?
+     */
+
+    srcOK = (pSrcPix || (pSrc->pDrawable->height == 1 && 
+			 pSrc->pDrawable->width == 1  && 
+			 pSrc->repeat));
+
+    maskOK = (!pMask || pMaskPix  || (pMask->pDrawable->height == 1 &&
+				      pMask->pDrawable->width == 1 &&
+				      pMask->repeat));
+
+    if (!srcOK && maskOK && pExaScr->info->UploadToScratch) {
 	pSrcPix = exaGetDrawablePixmap (pSrc->pDrawable);
-	if ((*pExaScr->info->UploadToScratch) (pSrcPix, &scratch))
+	if ((*pExaScr->info->UploadToScratch) (pSrcPix, &scratch)) {
 	    pSrcPix = &scratch;
-    } else if (pSrcPix && pMask && !pMaskPix && pExaScr->info->UploadToScratch) {
+	    srcOK = TRUE;
+	} else {
+	    pSrcPix = NULL;
+	}
+    } else if (srcOK && !maskOK && pExaScr->info->UploadToScratch) {
 	pMaskPix = exaGetDrawablePixmap (pMask->pDrawable);
-	if ((*pExaScr->info->UploadToScratch) (pMaskPix, &scratch))
+	if ((*pExaScr->info->UploadToScratch) (pMaskPix, &scratch)) {
 	    pMaskPix = &scratch;
+	    maskOK = TRUE;
+	} else {
+	    pMaskPix = NULL;
+	}
     }
 
-    if (!pSrcPix || (pMask && !pMaskPix)) {
+    if (!srcOK || !maskOK) {
 	REGION_UNINIT(pDst->pDrawable->pScreen, &region);
 	return 0;
     }
 
+    if (!pSrcPix) 
+	pSrcPix = exaGetDrawablePixmap (pSrc->pDrawable);
+    if (pMask && !pMaskPix) 
+	pMaskPix = exaGetDrawablePixmap (pMask->pDrawable);
+
     if (!(*pExaScr->info->PrepareComposite) (op, pSrc, pMask, pDst, pSrcPix,
 					     pMaskPix, pDstPix))
     {