sna: Discard GPU damage first before choosing where to fill_boxes()

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/sna/sna_composite.c b/src/sna/sna_composite.c
index 09d38276..b54bd33c 100644
--- a/src/sna/sna_composite.c
+++ b/src/sna/sna_composite.c
@@ -702,11 +702,6 @@ sna_composite_rectangles(CARD8		 op,
 
 	boxes = pixman_region_rectangles(&region, &num_boxes);
 
-	if (too_small(dst->pDrawable)) {
-		DBG(("%s: fallback, dst is too small\n", __FUNCTION__));
-		goto fallback;
-	}
-
 	/* If we going to be overwriting any CPU damage with a subsequent
 	 * operation, then we may as well delete it without moving it
 	 * first to the GPU.
@@ -717,6 +712,11 @@ sna_composite_rectangles(CARD8		 op,
 			sna_damage_subtract(&priv->cpu_damage, &region);
 	}
 
+	if (too_small(dst->pDrawable)) {
+		DBG(("%s: fallback, dst is too small\n", __FUNCTION__));
+		goto fallback;
+	}
+
 	priv = sna_pixmap_move_to_gpu(pixmap);
 	if (priv == NULL) {
 		DBG(("%s: fallback due to no GPU bo\n", __FUNCTION__));