Fix TextureView texture filtering.

bug:11748993

TextureView should always be drawn with linear filtering if drawing a
buffer sized differently from the layer.

This fixes a bug where TextureViews that were sized differently from
their contents wouldn't be drawn with texture filtering, causing
visible scaling artifacts.

Change-Id: I8a5d27452fe7269ec53896992f37cff51e3ce15a

1 files changed, 14 insertions, 0 deletions

diff --git a/libs/hwui/Layer.h b/libs/hwui/Layer.h
index 8cc027a..f6538f2 100644
--- a/libs/hwui/Layer.h
+++ b/libs/hwui/Layer.h
@@ -127,6 +127,14 @@ public:
         return texture.blend;
     }
 
+    inline void setForceFilter(bool forceFilter) {
+        this->forceFilter = forceFilter;
+    }
+
+    inline bool getForceFilter() const {
+        return forceFilter;
+    }
+
     inline void setAlpha(int alpha) {
         this->alpha = alpha;
     }
@@ -343,9 +351,15 @@ private:
     SkColorFilter* colorFilter;
 
     /**
+     * Indicates raster data backing the layer is scaled, requiring filtration.
+     */
+    bool forceFilter;
+
+    /**
      * Opacity of the layer.
      */
     int alpha;
+
     /**
      * Blending mode of the layer.
      */