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// Copyright 2014 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_DEBUG_INVALIDATION_BENCHMARK_H_
#define CC_DEBUG_INVALIDATION_BENCHMARK_H_
#include <string>
#include "cc/debug/micro_benchmark_controller.h"
namespace cc {
class LayerTreeHost;
class Layer;
// NOTE: this benchmark will not measure or return any results, it will simply
// invalidate a certain area of each layer every frame. It is intended to be
// used in combination with a telemetry benchmark that does the actual
// measurement.
class CC_EXPORT InvalidationBenchmark : public MicroBenchmark {
public:
explicit InvalidationBenchmark(scoped_ptr<base::Value> value,
const MicroBenchmark::DoneCallback& callback);
virtual ~InvalidationBenchmark();
// Implements MicroBenchmark interface.
virtual void DidUpdateLayers(LayerTreeHost* host) OVERRIDE;
virtual void RunOnLayer(PictureLayer* layer) OVERRIDE;
virtual bool ProcessMessage(scoped_ptr<base::Value> value) OVERRIDE;
private:
enum Mode { FIXED_SIZE, LAYER, VIEWPORT, RANDOM };
void Run(Layer* layer);
float LCGRandom();
Mode mode_;
int width_;
int height_;
uint32 seed_;
};
} // namespace cc
#endif // CC_DEBUG_INVALIDATION_BENCHMARK_H_
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