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Commit 58ebdcc0 authored by Android (Google) Code Review's avatar Android (Google) Code Review
Browse files

Merge change 5625 into donut 

* changes:
  fix [1947273] the DimLayer causes the whole screen to update during transactions
parents 66c2942a 2f157b19

libs/surfaceflinger/SurfaceFlinger.cpp

+6 −5
Original line number Diff line number Diff line
@@ -771,10 +771,11 @@ void SurfaceFlinger::computeVisibleRegions( 
            dirty.orSelf(layer->visibleRegionScreen);

            layer->contentDirty = false;

        } else {

            // compute the exposed region

            // dirty = what's visible now - what's wasn't covered before

            //       = what's visible now & what's was covered before

            dirty = visibleRegion.intersect(layer->coveredRegionScreen);            

            /* compute the exposed region:

             *    exposed = what's VISIBLE and NOT COVERED now 

             *    but was COVERED before

             */

            dirty = (visibleRegion - coveredRegion) & layer->coveredRegionScreen;

        }

        dirty.subtractSelf(aboveOpaqueLayers);
@@ -783,7 +784,7 @@ void SurfaceFlinger::computeVisibleRegions( 


        // updade aboveOpaqueLayers/aboveCoveredLayers for next (lower) layer

        aboveOpaqueLayers.orSelf(opaqueRegion);

        aboveCoveredLayers.orSelf(bounds);

        aboveCoveredLayers.orSelf(visibleRegion);

        

        // Store the visible region is screen space

        layer->setVisibleRegion(visibleRegion);