From 7ac5e698b216a1b1af97405b43adf2ad5bc40e7d Mon Sep 17 00:00:00 2001
From: Rebecca Schultz Zavin <rebecca@android.com>
Date: Mon, 20 Jul 2009 21:18:04 -0700
Subject: [PATCH] Fix hardware overlay so all changes are commited when done.

---
 libs/surfaceflinger/LayerBuffer.cpp | 6 ++++++
 libs/surfaceflinger/LayerBuffer.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index a088b0acd06b4..2d949a0b45971 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -594,6 +594,11 @@ LayerBuffer::OverlaySource::~OverlaySource()
     }
 }
 
+void LayerBuffer::OverlaySource::onDraw(const Region& clip) const
+{
+    mLayer.clearWithOpenGL(clip);
+}
+
 void LayerBuffer::OverlaySource::onTransaction(uint32_t flags)
 {
     const Layer::State& front(mLayer.drawingState());
@@ -624,6 +629,7 @@ void LayerBuffer::OverlaySource::onVisibilityResolved(
                 overlay_dev->setPosition(overlay_dev, mOverlay, x,y,w,h);
                 overlay_dev->setParameter(overlay_dev, mOverlay, 
                         OVERLAY_TRANSFORM, mLayer.getOrientation());
+                overlay_dev->commit(overlay_dev, mOverlay);
             }
         }
     }
diff --git a/libs/surfaceflinger/LayerBuffer.h b/libs/surfaceflinger/LayerBuffer.h
index fe879ebd976e2..746790b566172 100644
--- a/libs/surfaceflinger/LayerBuffer.h
+++ b/libs/surfaceflinger/LayerBuffer.h
@@ -138,6 +138,7 @@ private:
                 sp<OverlayRef>* overlayRef, 
                 uint32_t w, uint32_t h, int32_t format);
         virtual ~OverlaySource();
+        virtual void onDraw(const Region& clip) const;
         virtual void onTransaction(uint32_t flags);
         virtual void onVisibilityResolved(const Transform& planeTransform);
     private: