1 files changed, 36 insertions, 0 deletions
diff --git a/cc/layers/quad_sink.h b/cc/layers/quad_sink.h
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+++ b/cc/layers/quad_sink.h
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+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_LAYERS_QUAD_SINK_H_
+#define CC_LAYERS_QUAD_SINK_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/base/cc_export.h"
+
+namespace cc {
+
+class DrawQuad;
+class SharedQuadState;
+
+struct AppendQuadsData;
+
+class CC_EXPORT QuadSink {
+ public:
+  virtual ~QuadSink() {}
+
+  // Call this to add a SharedQuadState before appending quads that refer to it.
+  // Returns a pointer to the given SharedQuadState for convenience, that can be
+  // set on the quads to append.
+  virtual SharedQuadState* UseSharedQuadState(
+      scoped_ptr<SharedQuadState> shared_quad_state) = 0;
+
+  // Returns true if the quad is added to the list, and false if the quad is
+  // entirely culled.
+  virtual bool Append(scoped_ptr<DrawQuad> draw_quad,
+                      AppendQuadsData* append_quads_data) = 0;
+};
+
+}  // namespace cc
+
+#endif  // CC_LAYERS_QUAD_SINK_H_