Fixes a few problems in Xgl

hw/xgl/xglcmap.c

@@ -288,11 +288,6 @@ xglInitPixmapFormats (ScreenPtr pScreen)
 						0, NULL, k++);
 		    if (format && format->type == GLITZ_FORMAT_TYPE_COLOR)
 		    {
-			/* formats must have an alpha channel, otherwise
-			   filtering wont match the render spec. */
-			if (!format->color.alpha_size)
-			    continue;
-
 			/* find best matching sufficient format */
 			if (format->color.red_size   >= rs &&
 			    format->color.green_size >= gs &&

hw/xgl/xglcomp.c

@@ -170,9 +170,7 @@ xglComp (CARD8		 op,
 	    if (pSrc->repeat)
 	    {
 		/* tile */
-		if (!pSrcPriv->acceleratedTile &&
-		    (pSrc->pDrawable->width > 1 ||
-		     pSrc->pDrawable->height > 1))
+		if (!pSrcPriv->acceleratedTile)
 		{
 		    pGeometry =
 			xglTiledBoxGeometry ((PixmapPtr) pSrc->pDrawable,

hw/xgl/xglglyph.c

@@ -137,9 +137,15 @@ xglGlyphCompareScore (xglAreaPtr pArea,
 {
     xglGlyphCachePtr pCache = (xglGlyphCachePtr) pArea->pRoot->closure;
     GlyphPtr	     pGlyph = (GlyphPtr) closure2;
+    xglGlyphAreaPtr  pAreaPriv;
 
     XGL_GLYPH_PRIV (pCache->pScreen, pGlyph);
-    GLYPH_AREA_PRIV (pGlyphPriv->pArea);
+
+    /* this shouldn't be needed, seems like a bug in xglarea.c */
+    if (!pGlyphPriv->pArea)
+	return 1;
+
+    pAreaPriv = GLYPH_GET_AREA_PRIV (pGlyphPriv->pArea);
 
     if (pAreaPriv->serial != glyphSerialNumber)
 	return 1;

hw/xgl/xglpixmap.c

@@ -97,11 +97,17 @@ xglPixmapSurfaceInit (PixmapPtr	    pPixmap,
 	
 	if (width && height)
 	{
-	    if (features & GLITZ_FEATURE_TEXTURE_BORDER_CLAMP_MASK)
+	    if (width == 1 && height == 1)
+	    {
+		pPixmapPriv->acceleratedTile = TRUE;
+	    }
+	    else if (features & GLITZ_FEATURE_TEXTURE_BORDER_CLAMP_MASK)
+	    {
 		if ((features & GLITZ_FEATURE_TEXTURE_NON_POWER_OF_TWO_MASK) ||
 		    (POWER_OF_TWO (width) && POWER_OF_TWO (height)))
 		    pPixmapPriv->acceleratedTile = TRUE;
-	
+	    }
+	    
 	    pPixmapPriv->target = xglPixmapTargetOut;
 	    
 	    /*

hw/xgl/xglwindow.c

@@ -120,19 +120,6 @@ xglCopyWindow (WindowPtr   pWin,
     REGION_INTERSECT (pWin->drawable.pScreen,
 		      &rgnDst, &pWin->borderClip, prgnSrc);
 
-#ifdef COMPOSITE
-    if (pPixmap->screen_x || pPixmap->screen_y)
-    {
-	REGION_TRANSLATE (pWin->drawable.pScreen, &rgnDst,
-			  -pPixmap->screen_x, -pPixmap->screen_y);
-
-	box.x1 -= pPixmap->screen_x;
-	box.y1 -= pPixmap->screen_y;
-	box.x2 -= pPixmap->screen_x;
-	box.y2 -= pPixmap->screen_y;
-    }
-#endif
-    
     fbCopyRegion (&pWin->drawable, &pWin->drawable,
 		  0, &rgnDst, dx, dy, xglCopyProc, 0, (void *) &box);