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Commit ed3240ed authored by Android (Google) Code Review's avatar Android (Google) Code Review Committed by The Android Open Source Project
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am 58ebdcc0: Merge change 5625 into donut 

Merge commit '58ebdcc0'

* commit '58ebdcc0':
  fix [1947273] the DimLayer causes the whole screen to update during transactions
parents b47aa584 58ebdcc0

libs/surfaceflinger/SurfaceFlinger.cpp

+6 −5
Original line number Diff line number Diff line
@@ -772,10 +772,11 @@ 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);
@@ -784,7 +785,7 @@ 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);