1 files changed, 32 insertions, 0 deletions
diff --git a/gfx/skia/skia/include/effects/SkOverdrawColorFilter.h b/gfx/skia/skia/include/effects/SkOverdrawColorFilter.h
new file mode 100644
index 0000000000..5f1642483a
--- /dev/null
+++ b/gfx/skia/skia/include/effects/SkOverdrawColorFilter.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "include/core/SkColor.h"
+#include "include/core/SkRefCnt.h"
+#include "include/core/SkTypes.h"
+
+class SkColorFilter;
+
+#ifndef SkOverdrawColorFilter_DEFINED
+#define SkOverdrawColorFilter_DEFINED
+
+/**
+ *  Uses the value in the src alpha channel to set the dst pixel.
+ *  0             -> colors[0]
+ *  1             -> colors[1]
+ *  ...
+ *  5 (or larger) -> colors[5]
+ *
+ */
+class SK_API SkOverdrawColorFilter {
+public:
+    static constexpr int kNumColors = 6;
+
+    static sk_sp<SkColorFilter> MakeWithSkColors(const SkColor[kNumColors]);
+};
+
+#endif // SkOverdrawColorFilter_DEFINED