// 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_QUAD_SINK_H_
#define CC_QUAD_SINK_H_

#include "base/memory/scoped_ptr.h"
#include "cc/cc_export.h"

namespace cc {

class DrawQuad;

struct AppendQuadsData;
struct SharedQuadState;

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>) = 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> passDrawQuad, AppendQuadsData&) = 0;
};

}
#endif  // CC_QUAD_SINK_H_