32 files changed, 2617 insertions, 874 deletions

diff --git a/hwc2/common/base/HwcLayer.h b/hwc2/common/base/HwcLayer.h
index 923248b..2c378ad 100644
--- a/hwc2/common/base/HwcLayer.h
+++ b/hwc2/common/base/HwcLayer.h
@@ -82,12 +82,16 @@ class HwcLayer {
         bool haveColor();
         bool havePlaneAlpha();
         bool haveDataspace();
+        void reverseScaledFrame(const float& scaleX, const float& scaleY);
 
 #if WITH_LIBPLAYER_MODULE
-        void presentOverlay();
+        void presentOverlay(bool bPresent);
 #endif
 
     private:
+        void resetLayerBuffer();
+
+    private:
         hwc2_display_t mDisplayId;
         int32_t mBlendMode;
         hwc_color_t mColor;
@@ -124,6 +128,7 @@ class HwcLayer {
         // lock
         Mutex mLock;
         bool mInitialized;
+        bool mScaleReversed;
 };
 
 } // namespace amlogic