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// Copyright 2014 The Chromium Authors
// 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 "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(base::Value::Dict settings,
MicroBenchmark::DoneCallback callback);
~InvalidationBenchmark() override;
// Implements MicroBenchmark interface.
void DidUpdateLayers(LayerTreeHost* layer_tree_host) override;
void RunOnLayer(PictureLayer* layer) override;
bool ProcessMessage(base::Value::Dict message) override;
private:
enum Mode { FIXED_SIZE, LAYER, VIEWPORT, RANDOM };
float LCGRandom();
Mode mode_;
int width_;
int height_;
uint32_t seed_ = 0;
};
} // namespace cc
#endif // CC_BENCHMARKS_INVALIDATION_BENCHMARK_H_
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