blob: 06b66af92da4f2d3c2e2ba821614e43137c368a3 [file] [log] [blame]
// 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_BENCHMARKS_INVALIDATION_BENCHMARK_H_
#define CC_BENCHMARKS_INVALIDATION_BENCHMARK_H_
#include <stdint.h>
#include <string>
#include "cc/benchmarks/micro_benchmark_controller.h"
namespace cc {
class LayerTreeHost;
// 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(std::unique_ptr<base::Value> value,
MicroBenchmark::DoneCallback callback);
~InvalidationBenchmark() override;
// Implements MicroBenchmark interface.
void DidUpdateLayers(LayerTreeHost* layer_tree_host) override;
void RunOnLayer(PictureLayer* layer) override;
bool ProcessMessage(std::unique_ptr<base::Value> value) override;
private:
enum Mode { FIXED_SIZE, LAYER, VIEWPORT, RANDOM };
float LCGRandom();
Mode mode_;
int width_;
int height_;
uint32_t seed_;
};
} // namespace cc
#endif // CC_BENCHMARKS_INVALIDATION_BENCHMARK_H_