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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.
#include "cc/benchmarks/micro_benchmark_controller.h"
#include <limits>
#include <string>
#include "base/callback.h"
#include "base/containers/cxx20_erase.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/values.h"
#include "cc/benchmarks/invalidation_benchmark.h"
#include "cc/benchmarks/rasterize_and_record_benchmark.h"
#include "cc/benchmarks/unittest_only_benchmark.h"
#include "cc/trees/layer_tree_host.h"
#include "cc/trees/layer_tree_host_impl.h"
namespace cc {
int MicroBenchmarkController::next_id_ = 1;
namespace {
std::unique_ptr<MicroBenchmark> CreateBenchmark(
const std::string& name,
std::unique_ptr<base::Value> value,
MicroBenchmark::DoneCallback callback) {
if (name == "invalidation_benchmark") {
return std::make_unique<InvalidationBenchmark>(std::move(value),
std::move(callback));
} else if (name == "rasterize_and_record_benchmark") {
return std::make_unique<RasterizeAndRecordBenchmark>(std::move(value),
std::move(callback));
} else if (name == "unittest_only_benchmark") {
return std::make_unique<UnittestOnlyBenchmark>(std::move(value),
std::move(callback));
}
return nullptr;
}
} // namespace
MicroBenchmarkController::MicroBenchmarkController(LayerTreeHost* host)
: host_(host),
main_controller_task_runner_(base::ThreadTaskRunnerHandle::IsSet()
? base::ThreadTaskRunnerHandle::Get()
: nullptr) {
DCHECK(host_);
}
MicroBenchmarkController::~MicroBenchmarkController() = default;
int MicroBenchmarkController::ScheduleRun(
const std::string& micro_benchmark_name,
std::unique_ptr<base::Value> value,
MicroBenchmark::DoneCallback callback) {
std::unique_ptr<MicroBenchmark> benchmark = CreateBenchmark(
micro_benchmark_name, std::move(value), std::move(callback));
if (benchmark.get()) {
int id = GetNextIdAndIncrement();
benchmark->set_id(id);
benchmarks_.push_back(std::move(benchmark));
host_->SetNeedsCommit();
return id;
}
return 0;
}
int MicroBenchmarkController::GetNextIdAndIncrement() {
int id = next_id_++;
// Wrap around to 1 if we overflow (very unlikely).
if (next_id_ == std::numeric_limits<int>::max())
next_id_ = 1;
return id;
}
bool MicroBenchmarkController::SendMessage(int id,
std::unique_ptr<base::Value> value) {
auto it =
std::find_if(benchmarks_.begin(), benchmarks_.end(),
[id](const std::unique_ptr<MicroBenchmark>& benchmark) {
return benchmark->id() == id;
});
if (it == benchmarks_.end())
return false;
return (*it)->ProcessMessage(std::move(value));
}
void MicroBenchmarkController::ScheduleImplBenchmarks(
LayerTreeHostImpl* host_impl) {
for (const auto& benchmark : benchmarks_) {
std::unique_ptr<MicroBenchmarkImpl> benchmark_impl;
if (!benchmark->ProcessedForBenchmarkImpl()) {
benchmark_impl =
benchmark->GetBenchmarkImpl(main_controller_task_runner_);
}
if (benchmark_impl.get())
host_impl->ScheduleMicroBenchmark(std::move(benchmark_impl));
}
}
void MicroBenchmarkController::DidUpdateLayers() {
for (const auto& benchmark : benchmarks_) {
if (!benchmark->IsDone())
benchmark->DidUpdateLayers(host_);
}
CleanUpFinishedBenchmarks();
}
void MicroBenchmarkController::CleanUpFinishedBenchmarks() {
base::EraseIf(benchmarks_,
[](const std::unique_ptr<MicroBenchmark>& benchmark) {
return benchmark->IsDone();
});
}
} // namespace cc
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