GPU implementation of drawRegion()

src/gpu/batches/GrRegionBatch.h

+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrRegionBatch_DEFINED
+#define GrRegionBatch_DEFINED
+
+#include "GrColor.h"
+
+class GrDrawBatch;
+class SkMatrix;
+class SkRegion;
+
+namespace GrRegionBatch {
+
+GrDrawBatch* Create(GrColor color,
+                    const SkMatrix& viewMatrix,
+                    const SkRegion& region);
+
+};
+
+#endif