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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/draw_property_utils.h"
#include <stddef.h>
#include <memory>
#include <sstream>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/path_service.h"
#include "base/threading/thread.h"
#include "base/time/time.h"
#include "base/timer/lap_timer.h"
#include "cc/layers/layer.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/fake_layer_tree_host_client.h"
#include "cc/test/layer_tree_json_parser.h"
#include "cc/test/layer_tree_test.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/transform_node.h"
#include "components/viz/test/paths.h"
#include "testing/perf/perf_result_reporter.h"
namespace cc {
namespace {
static const int kTimeLimitMillis = 2000;
static const int kWarmupRuns = 5;
static const int kTimeCheckInterval = 10;
class DrawPropertyUtilsPerfTest : public LayerTreeTest {
public:
DrawPropertyUtilsPerfTest()
: timer_(kWarmupRuns,
base::Milliseconds(kTimeLimitMillis),
kTimeCheckInterval) {}
void ReadTestFile(const std::string& name) {
base::FilePath test_data_dir;
ASSERT_TRUE(
base::PathService::Get(viz::Paths::DIR_TEST_DATA, &test_data_dir));
base::FilePath json_file = test_data_dir.AppendASCII(name + ".json");
ASSERT_TRUE(base::ReadFileToString(json_file, &json_));
}
void SetupTree() override {
gfx::Size viewport = gfx::Size(720, 1038);
layer_tree_host()->SetViewportRectAndScale(gfx::Rect(viewport), 1.f,
viz::LocalSurfaceId());
scoped_refptr<Layer> root =
ParseTreeFromJson(json_, &content_layer_client_);
ASSERT_TRUE(root.get());
layer_tree_host()->SetRootLayer(root);
content_layer_client_.set_bounds(viewport);
}
void SetUpReporter(const std::string& story_name) {
reporter_ = std::make_unique<perf_test::PerfResultReporter>(
"calc_draw_props_time", story_name);
reporter_->RegisterImportantMetric("", "us");
}
void AfterTest() override {
CHECK(reporter_) << "Must SetUpReporter() before TearDown().";
reporter_->AddResult("", timer_.TimePerLap().InMicrosecondsF());
}
protected:
FakeContentLayerClient content_layer_client_;
base::LapTimer timer_;
std::string json_;
std::unique_ptr<perf_test::PerfResultReporter> reporter_;
};
class CalcDrawPropsTest : public DrawPropertyUtilsPerfTest {
public:
void RunCalcDrawProps() { RunTest(CompositorMode::SINGLE_THREADED); }
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
timer_.Reset();
do {
RenderSurfaceList render_surface_list;
draw_property_utils::CalculateDrawProperties(host_impl->active_tree(),
&render_surface_list);
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
EndTest();
}
};
TEST_F(CalcDrawPropsTest, TenTen) {
SetUpReporter("10_10");
ReadTestFile("10_10_layer_tree");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsTest, HeavyPage) {
SetUpReporter("heavy_page");
ReadTestFile("heavy_layer_tree");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsTest, TouchRegionLight) {
SetUpReporter("touch_region_light");
ReadTestFile("touch_region_light");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsTest, TouchRegionHeavy) {
SetUpReporter("touch_region_heavy");
ReadTestFile("touch_region_heavy");
RunCalcDrawProps();
}
} // namespace
} // namespace cc
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