SurfaceFlinger: Add support for DisplayUtils

Add DisplayUtils class which uses the custom implementations
of ExLayer, ExSurfaceFlinger, ExHWComposer,
and ExVirtualDisplaySurface classes if needed

Change-Id: Ibdd8da5d3d0d602f42b76a15d0994c6aa98bee3f

1 files changed, 35 insertions, 1 deletions

diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 3759a92..bb0bfc4 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -84,6 +84,8 @@ class SurfaceFlinger : public BnSurfaceComposer,
                        private HWComposer::EventHandler
 {
 public:
+    friend class ExSurfaceFlinger;
+
     static char const* getServiceName() ANDROID_API {
         return "SurfaceFlinger";
     }
@@ -235,6 +237,38 @@ private:
     virtual void onHotplugReceived(int disp, bool connected);
 
     /* ------------------------------------------------------------------------
+     * Extensions
+     */
+    virtual void updateExtendedMode() { }
+
+    virtual void getIndexLOI(size_t /*dpy*/,
+                     const LayerVector& /*currentLayers*/,
+                     bool& /*bIgnoreLayers*/,
+                     int& /*indexLOI*/) { }
+
+    virtual bool updateLayerVisibleNonTransparentRegion(
+                     const int& dpy, const sp<Layer>& layer,
+                     bool& bIgnoreLayers, int& indexLOI,
+                     uint32_t layerStack, const int& i);
+
+    virtual void delayDPTransactionIfNeeded(
+                     const Vector<DisplayState>& /*displays*/) { }
+
+    virtual bool canDrawLayerinScreenShot(
+                     const sp<const DisplayDevice>& hw,
+                     const sp<Layer>& layer);
+
+    virtual void isfreezeSurfacePresent(
+                     bool& freezeSurfacePresent,
+                     const sp<const DisplayDevice>& /*hw*/,
+                     const int32_t& /*id*/) { freezeSurfacePresent = false; }
+
+    virtual void setOrientationEventControl(
+                     bool& /*freezeSurfacePresent*/,
+                     const int32_t& /*id*/) { }
+
+    virtual void updateVisibleRegionsDirty() { }
+    /* ------------------------------------------------------------------------
      * Message handling
      */
     void waitForEvent();
@@ -373,7 +407,7 @@ private:
      * Compositing
      */
     void invalidateHwcGeometry();
-    static void computeVisibleRegions(
+    void computeVisibleRegions(size_t dpy,
             const LayerVector& currentLayers, uint32_t layerStack,
             Region& dirtyRegion, Region& opaqueRegion);