AARectBatch can transform coords on cpu

src/gpu/gl/GrGLGeometryProcessor.h

Index: src/gpu/gl/GrGLGeometryProcessor.h
diff --git a/src/gpu/gl/GrGLGeometryProcessor.h b/src/gpu/gl/GrGLGeometryProcessor.h
index 88baecf879886d3662752630396463da9df3b393..412dca21347c0d8c8c030ff193c7694f47b303ce 100644
--- a/src/gpu/gl/GrGLGeometryProcessor.h
+++ b/src/gpu/gl/GrGLGeometryProcessor.h
@@ -19,6 +19,8 @@ class GrGLGPBuilder;
  */
 class GrGLGeometryProcessor : public GrGLPrimitiveProcessor {
 public:
+    GrGLGeometryProcessor() : fTransformedLocalCoords(false) {}
+
     /* Any general emit code goes in the base class emitCode.  Subclasses override onEmitCode */
     void emitCode(EmitArgs&) override;
 
@@ -90,6 +92,11 @@ private:
                                 const GrGLProgramDataManager& pdman,
                                 int index,
                                 const SkTArray<const GrCoordTransform*, true>& transforms) {
+        // No need to set if our local coords have already been transformed
+        if (fTransformedLocalCoords) {
+            return;
+        }
+
         SkSTArray<2, Transform, true>& procTransforms = fInstalledTransforms[index];
         int numTransforms = transforms.count();
         for (int t = 0; t < numTransforms; ++t) {
@@ -104,6 +111,7 @@ private:
 
     virtual void onEmitCode(EmitArgs&, GrGPArgs*) = 0;
 
+    bool fTransformedLocalCoords;
     typedef GrGLPrimitiveProcessor INHERITED;
 };