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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/debug/micro_benchmark_controller.h"
#include <limits>
#include <string>
#include "base/callback.h"
#include "base/thread_task_runner_handle.h"
#include "base/values.h"
#include "cc/debug/invalidation_benchmark.h"
#include "cc/debug/picture_record_benchmark.h"
#include "cc/debug/rasterize_and_record_benchmark.h"
#include "cc/debug/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 {
scoped_ptr<MicroBenchmark> CreateBenchmark(
const std::string& name,
scoped_ptr<base::Value> value,
const MicroBenchmark::DoneCallback& callback) {
if (name == "invalidation_benchmark") {
return make_scoped_ptr(new InvalidationBenchmark(value.Pass(), callback));
} else if (name == "picture_record_benchmark") {
return make_scoped_ptr(new PictureRecordBenchmark(value.Pass(), callback));
} else if (name == "rasterize_and_record_benchmark") {
return make_scoped_ptr(
new RasterizeAndRecordBenchmark(value.Pass(), callback));
} else if (name == "unittest_only_benchmark") {
return make_scoped_ptr(new UnittestOnlyBenchmark(value.Pass(), callback));
}
return nullptr;
}
class IsDonePredicate {
public:
typedef const MicroBenchmark* argument_type;
typedef bool result_type;
result_type operator()(argument_type benchmark) const {
return benchmark->IsDone();
}
};
} // namespace
MicroBenchmarkController::MicroBenchmarkController(LayerTreeHost* host)
: host_(host),
main_controller_task_runner_(base::ThreadTaskRunnerHandle::IsSet()
? base::ThreadTaskRunnerHandle::Get()
: nullptr) {
DCHECK(host_);
}
MicroBenchmarkController::~MicroBenchmarkController() {}
int MicroBenchmarkController::ScheduleRun(
const std::string& micro_benchmark_name,
scoped_ptr<base::Value> value,
const MicroBenchmark::DoneCallback& callback) {
scoped_ptr<MicroBenchmark> benchmark =
CreateBenchmark(micro_benchmark_name, value.Pass(), callback);
if (benchmark.get()) {
int id = GetNextIdAndIncrement();
benchmark->set_id(id);
benchmarks_.push_back(benchmark.Pass());
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,
scoped_ptr<base::Value> value) {
for (ScopedPtrVector<MicroBenchmark>::iterator it = benchmarks_.begin();
it != benchmarks_.end();
++it) {
if ((*it)->id() == id)
return (*it)->ProcessMessage(value.Pass());
}
return false;
}
void MicroBenchmarkController::ScheduleImplBenchmarks(
LayerTreeHostImpl* host_impl) {
for (ScopedPtrVector<MicroBenchmark>::iterator it = benchmarks_.begin();
it != benchmarks_.end();
++it) {
scoped_ptr<MicroBenchmarkImpl> benchmark_impl;
if (!(*it)->ProcessedForBenchmarkImpl()) {
benchmark_impl = (*it)->GetBenchmarkImpl(main_controller_task_runner_);
}
if (benchmark_impl.get())
host_impl->ScheduleMicroBenchmark(benchmark_impl.Pass());
}
}
void MicroBenchmarkController::DidUpdateLayers() {
for (ScopedPtrVector<MicroBenchmark>::iterator it = benchmarks_.begin();
it != benchmarks_.end();
++it) {
if (!(*it)->IsDone())
(*it)->DidUpdateLayers(host_);
}
CleanUpFinishedBenchmarks();
}
void MicroBenchmarkController::CleanUpFinishedBenchmarks() {
benchmarks_.erase(
benchmarks_.partition(std::not1(IsDonePredicate())),
benchmarks_.end());
}
} // namespace cc
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