Bilerp + mirror + perspective

src/core/SkLinearBitmapPipeline.h

Index: src/core/SkLinearBitmapPipeline.h
diff --git a/src/core/SkLinearBitmapPipeline.h b/src/core/SkLinearBitmapPipeline.h
index c65b7538aa3a2f6962ce11f6005e3c28553f81f8..7efdd1c6fb19a971107175546ae2b4a2b37637ed 100644
--- a/src/core/SkLinearBitmapPipeline.h
+++ b/src/core/SkLinearBitmapPipeline.h
@@ -21,6 +21,7 @@ public:
         const SkMatrix& inverse,
         SkFilterQuality filterQuality,
         SkShader::TileMode xTile, SkShader::TileMode yTile,
+        float postAlpha,
         const SkPixmap& srcPixmap);
     ~SkLinearBitmapPipeline();
 
@@ -33,7 +34,7 @@ public:
 
         ~PolymorphicUnion() {
             if (fIsInitialized) {
-                get()->~Base();
+                this->get()->~Base();
             }
         }
 
@@ -47,8 +48,8 @@ public:
         };
 
         Base* get() const { return reinterpret_cast<Base*>(&fSpace); }
-        Base* operator->() const { return get(); }
-        Base& operator*() const { return *get(); }
+        Base* operator->() const { return this->get(); }
+        Base& operator*() const { return *(this->get()); }
 
     private:
         struct SK_STRUCT_ALIGN(16) Space {
@@ -62,18 +63,16 @@ public:
     class BilerpProcessorInterface;
     class PixelPlacerInterface;
 
-    using MatrixStage = PolymorphicUnion<PointProcessorInterface, 112>;
-    using FilterStage = PolymorphicUnion<PointProcessorInterface,   8>;
-    using TileStage   = PolymorphicUnion<BilerpProcessorInterface, 96>;
+    // These values were generated by the assert above in PolymorphicUnion.
+    using MatrixStage = PolymorphicUnion<PointProcessorInterface, 160>;
+    using TileStage   = PolymorphicUnion<PointProcessorInterface, 160>;
     using SampleStage = PolymorphicUnion<BilerpProcessorInterface, 80>;
     using PixelStage  = PolymorphicUnion<PixelPlacerInterface,     80>;
 
 private:
     PointProcessorInterface* fFirstStage;
     MatrixStage fMatrixStage;
-    FilterStage fFilterStage;
-    TileStage   fTileXOrBothStage;
-    TileStage   fTileYStage;
+    TileStage   fTiler;
     SampleStage fSampleStage;
     PixelStage  fPixelStage;
 };