commit 35c9ff2c005ac84b0f81d6c1c565e688d058281d
author Radhika Ranjan Soni <rrsoni@codeaurora.org> Tue Dec 17 19:55:17 2013 +0530
committer Linux Build Service Account <lnxbuild@localhost> Tue Nov 04 08:49:10 2014 -0700
tree d732e39ec377022fe5b6227449ff7294d6c0a238
parent 5111ff0b73ced4cfa58c158f9f80da1215a9a4f6

SF: Avoid wormhole clear for BLIT calls

Do not call GPU clear from SF when composition
type is BLIT as it'll be taken care in HAL.

Change-Id: Ia613eb9b824c6484ecc8c8fa4ee883545d8541b8

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index c7567bd..e406744 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1847,8 +1847,12 @@
 
             // screen is already cleared here
             if (!region.isEmpty()) {
-                // can happen with SurfaceView
-                drawWormhole(hw, region);
+                if (cur != end) {
+                    if (cur->getCompositionType() != HWC_BLIT)
+                        // can happen with SurfaceView
+                        drawWormhole(hw, region);
+                } else
+                    drawWormhole(hw, region);
             }
         }