| // 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 <stdint.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(std::unique_ptr<base::Value> value, |
| const MicroBenchmark::DoneCallback& callback); |
| ~InvalidationBenchmark() override; |
| |
| // Implements MicroBenchmark interface. |
| void DidUpdateLayers(LayerTreeHost* 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_DEBUG_INVALIDATION_BENCHMARK_H_ |