fix transition from full overlays to fb
we need to clear the whole framebuffer in that situation because
we can't trust the content of the FB when partial (fb preserving)
updates are used.
Bug: 5318492
Change-Id: I3f0e01b0fb665a34e44d88ad9f0f54a5d990060b
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 8758a80..aa8ebe1 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -64,6 +64,9 @@
size_t getNumLayers() const;
hwc_layer_t* getLayers() const;
+ // updated in preapre()
+ size_t getLayerCount(int type) const;
+
// for debugging
void dump(String8& out, char* scratch, size_t SIZE,
const Vector< sp<LayerBase> >& visibleLayersSortedByZ) const;
@@ -81,6 +84,8 @@
hwc_composer_device_t* mHwc;
hwc_layer_list_t* mList;
size_t mCapacity;
+ mutable size_t mNumOVLayers;
+ mutable size_t mNumFBLayers;
hwc_display_t mDpy;
hwc_surface_t mSur;
cb_context mCBContext;