From 17833a1b0d70cd5cea342cadea9fdbbf16748bc6 Mon Sep 17 00:00:00 2001
From: Dan Stoza <stoza@google.com>
Date: Thu, 4 Jun 2015 19:40:03 -0700
Subject: [PATCH] SF: Don't crop surface damage against viewport

Apply the display transform to surface damage, but don't intersect it
with the viewport.

Bug: 21486007
Change-Id: I94e697cea52096a960385d5f3b89609fdcf30a02
---
 services/surfaceflinger/Layer.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 8d8af522f..e2a0167ee 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -557,9 +557,7 @@ void Layer::setPerFrameData(const sp<const DisplayDevice>& hw,
             surfaceDamageRegion.getBounds() == Rect::INVALID_RECT) {
         layer.setSurfaceDamage(surfaceDamageRegion);
     } else {
-        Region surfaceDamage =
-            tr.transform(surfaceDamageRegion.intersect(hw->getViewport()));
-        layer.setSurfaceDamage(surfaceDamage);
+        layer.setSurfaceDamage(tr.transform(surfaceDamageRegion));
     }
 
     if (mSidebandStream.get()) {