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// Copyright 2013 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_TREES_LAYER_TREE_HOST_SINGLE_THREAD_CLIENT_H_
#define CC_TREES_LAYER_TREE_HOST_SINGLE_THREAD_CLIENT_H_
namespace cc {
class LayerTreeHostSingleThreadClient {
public:
// Request that the client schedule a composite.
virtual void RequestScheduleComposite() {}
// Request that the client schedule a composite now, and calculate appropriate
// delay for potential future frame.
virtual void RequestScheduleAnimation() {}
// Called whenever the compositor posts a SwapBuffers (either full or
// partial). After DidPostSwapBuffers(), exactly one of
// DidCompleteSwapBuffers() or DidAbortSwapBuffers() will be called, thus
// these functions can be used to keep track of pending swap buffers calls for
// rate limiting.
virtual void DidPostSwapBuffers() = 0;
virtual void DidCompleteSwapBuffers() = 0;
virtual void DidAbortSwapBuffers() = 0;
protected:
virtual ~LayerTreeHostSingleThreadClient() {}
};
} // namespace cc
#endif // CC_TREES_LAYER_TREE_HOST_SINGLE_THREAD_CLIENT_H_
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