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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/trees/layer_tree_host_common.h"
#include <sstream>
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/strings/string_piece.h"
#include "base/threading/thread.h"
#include "base/time/time.h"
#include "cc/debug/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/test/paths.h"
#include "cc/trees/layer_sorter.h"
#include "cc/trees/layer_tree_impl.h"
#include "testing/perf/perf_test.h"
namespace cc {
namespace {
static const int kTimeLimitMillis = 2000;
static const int kWarmupRuns = 5;
static const int kTimeCheckInterval = 10;
class LayerTreeHostCommonPerfTest : public LayerTreeTest {
public:
LayerTreeHostCommonPerfTest()
: timer_(kWarmupRuns,
base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
kTimeCheckInterval) {}
void ReadTestFile(const std::string& name) {
base::FilePath test_data_dir;
ASSERT_TRUE(PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir));
base::FilePath json_file = test_data_dir.AppendASCII(name + ".json");
ASSERT_TRUE(base::ReadFileToString(json_file, &json_));
}
virtual void SetupTree() OVERRIDE {
gfx::Size viewport = gfx::Size(720, 1038);
layer_tree_host()->SetViewportSize(viewport);
scoped_refptr<Layer> root =
ParseTreeFromJson(json_, &content_layer_client_);
ASSERT_TRUE(root.get());
layer_tree_host()->SetRootLayer(root);
}
void SetTestName(const std::string& name) { test_name_ = name; }
virtual void AfterTest() OVERRIDE {
CHECK(!test_name_.empty()) << "Must SetTestName() before TearDown().";
perf_test::PrintResult("calc_draw_props_time",
"",
test_name_,
1000 * timer_.MsPerLap(),
"us",
true);
}
protected:
FakeContentLayerClient content_layer_client_;
LapTimer timer_;
std::string test_name_;
std::string json_;
};
class CalcDrawPropsMainTest : public LayerTreeHostCommonPerfTest {
public:
void RunCalcDrawProps() {
RunTest(false, false, false);
}
virtual void BeginTest() OVERRIDE {
timer_.Reset();
do {
bool can_render_to_separate_surface = true;
int max_texture_size = 8096;
RenderSurfaceLayerList update_list;
LayerTreeHostCommon::CalcDrawPropsMainInputs inputs(
layer_tree_host()->root_layer(),
layer_tree_host()->device_viewport_size(),
gfx::Transform(),
layer_tree_host()->device_scale_factor(),
layer_tree_host()->page_scale_factor(),
layer_tree_host()->page_scale_layer(),
max_texture_size,
layer_tree_host()->settings().can_use_lcd_text,
can_render_to_separate_surface,
layer_tree_host()
->settings()
.layer_transforms_should_scale_layer_contents,
&update_list,
0);
LayerTreeHostCommon::CalculateDrawProperties(&inputs);
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
EndTest();
}
};
class CalcDrawPropsImplTest : public LayerTreeHostCommonPerfTest {
public:
void RunCalcDrawProps() {
RunTestWithImplSidePainting();
}
virtual void BeginTest() OVERRIDE {
PostSetNeedsCommitToMainThread();
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
timer_.Reset();
LayerTreeImpl* active_tree = host_impl->active_tree();
do {
bool can_render_to_separate_surface = true;
int max_texture_size = 8096;
DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
max_texture_size,
active_tree,
host_impl);
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
EndTest();
}
void DoCalcDrawPropertiesImpl(bool can_render_to_separate_surface,
int max_texture_size,
LayerTreeImpl* active_tree,
LayerTreeHostImpl* host_impl) {
LayerImplList update_list;
LayerTreeHostCommon::CalcDrawPropsImplInputs inputs(
active_tree->root_layer(),
active_tree->DrawViewportSize(),
host_impl->DrawTransform(),
active_tree->device_scale_factor(),
active_tree->total_page_scale_factor(),
active_tree->InnerViewportContainerLayer(),
max_texture_size,
host_impl->settings().can_use_lcd_text,
can_render_to_separate_surface,
host_impl->settings().layer_transforms_should_scale_layer_contents,
&update_list,
0);
LayerTreeHostCommon::CalculateDrawProperties(&inputs);
}
};
class LayerSorterMainTest : public CalcDrawPropsImplTest {
public:
void RunSortLayers() { RunTest(false, false, false); }
virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
LayerTreeImpl* active_tree = host_impl->active_tree();
// First build the tree and then we'll start running tests on layersorter
// itself
bool can_render_to_separate_surface = true;
int max_texture_size = 8096;
DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
max_texture_size,
active_tree,
host_impl);
// Behaviour of this test is different from that of sorting in practice.
// In this case, all layers that exist in any 3D context are put into a list
// and are sorted as one big 3D context instead of several smaller ones.
BuildLayerImplList(active_tree->root_layer(), &base_list_);
timer_.Reset();
do {
// Here we'll move the layers into a LayerImpl list of their own to be
// sorted so we don't have a sorted list for every run after the first
LayerImplList test_list = base_list_;
layer_sorter_.Sort(test_list.begin(), test_list.end());
timer_.NextLap();
} while (!timer_.HasTimeLimitExpired());
EndTest();
}
void BuildLayerImplList(LayerImpl* layer, LayerImplList* list) {
if (layer->is_3d_sorted()) {
list->push_back(layer);
}
for (unsigned int i = 0; i < layer->children().size(); i++) {
BuildLayerImplList(layer->children()[i], list);
}
}
private:
LayerImplList base_list_;
LayerSorter layer_sorter_;
};
TEST_F(CalcDrawPropsMainTest, TenTen) {
SetTestName("10_10_main_thread");
ReadTestFile("10_10_layer_tree");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsMainTest, HeavyPage) {
SetTestName("heavy_page_main_thread");
ReadTestFile("heavy_layer_tree");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsMainTest, TouchRegionLight) {
SetTestName("touch_region_light_main_thread");
ReadTestFile("touch_region_light");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsMainTest, TouchRegionHeavy) {
SetTestName("touch_region_heavy_main_thread");
ReadTestFile("touch_region_heavy");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsImplTest, TenTen) {
SetTestName("10_10");
ReadTestFile("10_10_layer_tree");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsImplTest, HeavyPage) {
SetTestName("heavy_page");
ReadTestFile("heavy_layer_tree");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsImplTest, TouchRegionLight) {
SetTestName("touch_region_light");
ReadTestFile("touch_region_light");
RunCalcDrawProps();
}
TEST_F(CalcDrawPropsImplTest, TouchRegionHeavy) {
SetTestName("touch_region_heavy");
ReadTestFile("touch_region_heavy");
RunCalcDrawProps();
}
TEST_F(LayerSorterMainTest, LayerSorterCubes) {
SetTestName("layer_sort_cubes");
ReadTestFile("layer_sort_cubes");
RunSortLayers();
}
TEST_F(LayerSorterMainTest, LayerSorterRubik) {
SetTestName("layer_sort_rubik");
ReadTestFile("layer_sort_rubik");
RunSortLayers();
}
} // namespace
} // namespace cc
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