1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "cc/trees/layer_tree_host_common.h"
6
7 #include <sstream>
8
9 #include "base/files/file_path.h"
10 #include "base/files/file_util.h"
11 #include "base/memory/scoped_ptr.h"
12 #include "base/path_service.h"
13 #include "base/strings/string_piece.h"
14 #include "base/threading/thread.h"
15 #include "base/time/time.h"
16 #include "cc/base/scoped_ptr_deque.h"
17 #include "cc/base/scoped_ptr_vector.h"
18 #include "cc/debug/lap_timer.h"
19 #include "cc/layers/layer.h"
20 #include "cc/output/bsp_tree.h"
21 #include "cc/quads/draw_polygon.h"
22 #include "cc/quads/draw_quad.h"
23 #include "cc/test/fake_content_layer_client.h"
24 #include "cc/test/fake_layer_tree_host_client.h"
25 #include "cc/test/layer_tree_json_parser.h"
26 #include "cc/test/layer_tree_test.h"
27 #include "cc/test/paths.h"
28 #include "cc/trees/layer_sorter.h"
29 #include "cc/trees/layer_tree_impl.h"
30 #include "testing/perf/perf_test.h"
31
32 namespace cc {
33 namespace {
34
35 static const int kTimeLimitMillis = 2000;
36 static const int kWarmupRuns = 5;
37 static const int kTimeCheckInterval = 10;
38
39 class LayerTreeHostCommonPerfTest : public LayerTreeTest {
40 public:
LayerTreeHostCommonPerfTest()41 LayerTreeHostCommonPerfTest()
42 : timer_(kWarmupRuns,
43 base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
44 kTimeCheckInterval) {}
45
ReadTestFile(const std::string & name)46 void ReadTestFile(const std::string& name) {
47 base::FilePath test_data_dir;
48 ASSERT_TRUE(PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir));
49 base::FilePath json_file = test_data_dir.AppendASCII(name + ".json");
50 ASSERT_TRUE(base::ReadFileToString(json_file, &json_));
51 }
52
SetupTree()53 virtual void SetupTree() OVERRIDE {
54 gfx::Size viewport = gfx::Size(720, 1038);
55 layer_tree_host()->SetViewportSize(viewport);
56 scoped_refptr<Layer> root =
57 ParseTreeFromJson(json_, &content_layer_client_);
58 ASSERT_TRUE(root.get());
59 layer_tree_host()->SetRootLayer(root);
60 }
61
SetTestName(const std::string & name)62 void SetTestName(const std::string& name) { test_name_ = name; }
63
AfterTest()64 virtual void AfterTest() OVERRIDE {
65 CHECK(!test_name_.empty()) << "Must SetTestName() before TearDown().";
66 perf_test::PrintResult("calc_draw_props_time",
67 "",
68 test_name_,
69 1000 * timer_.MsPerLap(),
70 "us",
71 true);
72 }
73
74 protected:
75 FakeContentLayerClient content_layer_client_;
76 LapTimer timer_;
77 std::string test_name_;
78 std::string json_;
79 };
80
81 class CalcDrawPropsMainTest : public LayerTreeHostCommonPerfTest {
82 public:
RunCalcDrawProps()83 void RunCalcDrawProps() {
84 RunTest(false, false, false);
85 }
86
BeginTest()87 virtual void BeginTest() OVERRIDE {
88 timer_.Reset();
89
90 do {
91 bool can_render_to_separate_surface = true;
92 int max_texture_size = 8096;
93 RenderSurfaceLayerList update_list;
94 LayerTreeHostCommon::CalcDrawPropsMainInputs inputs(
95 layer_tree_host()->root_layer(),
96 layer_tree_host()->device_viewport_size(),
97 gfx::Transform(),
98 layer_tree_host()->device_scale_factor(),
99 layer_tree_host()->page_scale_factor(),
100 layer_tree_host()->page_scale_layer(),
101 max_texture_size,
102 layer_tree_host()->settings().can_use_lcd_text,
103 can_render_to_separate_surface,
104 layer_tree_host()
105 ->settings()
106 .layer_transforms_should_scale_layer_contents,
107 &update_list,
108 0);
109 LayerTreeHostCommon::CalculateDrawProperties(&inputs);
110
111 timer_.NextLap();
112 } while (!timer_.HasTimeLimitExpired());
113
114 EndTest();
115 }
116 };
117
118 class CalcDrawPropsImplTest : public LayerTreeHostCommonPerfTest {
119 public:
RunCalcDrawProps()120 void RunCalcDrawProps() {
121 RunTestWithImplSidePainting();
122 }
123
BeginTest()124 virtual void BeginTest() OVERRIDE {
125 PostSetNeedsCommitToMainThread();
126 }
127
DrawLayersOnThread(LayerTreeHostImpl * host_impl)128 virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
129 timer_.Reset();
130 LayerTreeImpl* active_tree = host_impl->active_tree();
131
132 do {
133 bool can_render_to_separate_surface = true;
134 int max_texture_size = 8096;
135 DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
136 max_texture_size,
137 active_tree,
138 host_impl);
139
140 timer_.NextLap();
141 } while (!timer_.HasTimeLimitExpired());
142
143 EndTest();
144 }
145
DoCalcDrawPropertiesImpl(bool can_render_to_separate_surface,int max_texture_size,LayerTreeImpl * active_tree,LayerTreeHostImpl * host_impl)146 void DoCalcDrawPropertiesImpl(bool can_render_to_separate_surface,
147 int max_texture_size,
148 LayerTreeImpl* active_tree,
149 LayerTreeHostImpl* host_impl) {
150 LayerImplList update_list;
151 LayerTreeHostCommon::CalcDrawPropsImplInputs inputs(
152 active_tree->root_layer(),
153 active_tree->DrawViewportSize(),
154 host_impl->DrawTransform(),
155 active_tree->device_scale_factor(),
156 active_tree->total_page_scale_factor(),
157 active_tree->InnerViewportContainerLayer(),
158 max_texture_size,
159 host_impl->settings().can_use_lcd_text,
160 can_render_to_separate_surface,
161 host_impl->settings().layer_transforms_should_scale_layer_contents,
162 &update_list,
163 0);
164 LayerTreeHostCommon::CalculateDrawProperties(&inputs);
165 }
166 };
167
168 class LayerSorterMainTest : public CalcDrawPropsImplTest {
169 public:
RunSortLayers()170 void RunSortLayers() { RunTest(false, false, false); }
171
BeginTest()172 virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
173
DrawLayersOnThread(LayerTreeHostImpl * host_impl)174 virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
175 LayerTreeImpl* active_tree = host_impl->active_tree();
176 // First build the tree and then we'll start running tests on layersorter
177 // itself
178 bool can_render_to_separate_surface = true;
179 int max_texture_size = 8096;
180 DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
181 max_texture_size,
182 active_tree,
183 host_impl);
184
185 // Behaviour of this test is different from that of sorting in practice.
186 // In this case, all layers that exist in any 3D context are put into a list
187 // and are sorted as one big 3D context instead of several smaller ones.
188 BuildLayerImplList(active_tree->root_layer(), &base_list_);
189 timer_.Reset();
190 do {
191 // Here we'll move the layers into a LayerImpl list of their own to be
192 // sorted so we don't have a sorted list for every run after the first
193 LayerImplList test_list = base_list_;
194 layer_sorter_.Sort(test_list.begin(), test_list.end());
195 timer_.NextLap();
196 } while (!timer_.HasTimeLimitExpired());
197
198 EndTest();
199 }
200
BuildLayerImplList(LayerImpl * layer,LayerImplList * list)201 void BuildLayerImplList(LayerImpl* layer, LayerImplList* list) {
202 if (layer->Is3dSorted()) {
203 list->push_back(layer);
204 }
205
206 for (size_t i = 0; i < layer->children().size(); i++) {
207 BuildLayerImplList(layer->children()[i], list);
208 }
209 }
210
211 private:
212 LayerImplList base_list_;
213 LayerSorter layer_sorter_;
214 };
215
216 class BspTreePerfTest : public LayerSorterMainTest {
217 public:
RunSortLayers()218 void RunSortLayers() { RunTest(false, false, false); }
219
SetNumberOfDuplicates(int num_duplicates)220 void SetNumberOfDuplicates(int num_duplicates) {
221 num_duplicates_ = num_duplicates;
222 }
223
BeginTest()224 virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
225
DrawLayersOnThread(LayerTreeHostImpl * host_impl)226 virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
227 LayerTreeImpl* active_tree = host_impl->active_tree();
228 // First build the tree and then we'll start running tests on layersorter
229 // itself
230 bool can_render_to_separate_surface = true;
231 int max_texture_size = 8096;
232 DoCalcDrawPropertiesImpl(can_render_to_separate_surface,
233 max_texture_size,
234 active_tree,
235 host_impl);
236
237 LayerImplList base_list;
238 BuildLayerImplList(active_tree->root_layer(), &base_list);
239
240 int polygon_counter = 0;
241 ScopedPtrVector<DrawPolygon> polygon_list;
242 for (LayerImplList::iterator it = base_list.begin(); it != base_list.end();
243 ++it) {
244 DrawPolygon* draw_polygon =
245 new DrawPolygon(NULL,
246 gfx::RectF((*it)->content_bounds()),
247 (*it)->draw_transform(),
248 polygon_counter++);
249 polygon_list.push_back(scoped_ptr<DrawPolygon>(draw_polygon));
250 }
251
252 timer_.Reset();
253 do {
254 ScopedPtrDeque<DrawPolygon> test_list;
255 for (int i = 0; i < num_duplicates_; i++) {
256 for (size_t i = 0; i < polygon_list.size(); i++) {
257 test_list.push_back(polygon_list[i]->CreateCopy());
258 }
259 }
260 BspTree bsp_tree(&test_list);
261 timer_.NextLap();
262 } while (!timer_.HasTimeLimitExpired());
263
264 EndTest();
265 }
266
267 private:
268 int num_duplicates_;
269 };
270
TEST_F(CalcDrawPropsMainTest,TenTen)271 TEST_F(CalcDrawPropsMainTest, TenTen) {
272 SetTestName("10_10_main_thread");
273 ReadTestFile("10_10_layer_tree");
274 RunCalcDrawProps();
275 }
276
TEST_F(CalcDrawPropsMainTest,HeavyPage)277 TEST_F(CalcDrawPropsMainTest, HeavyPage) {
278 SetTestName("heavy_page_main_thread");
279 ReadTestFile("heavy_layer_tree");
280 RunCalcDrawProps();
281 }
282
TEST_F(CalcDrawPropsMainTest,TouchRegionLight)283 TEST_F(CalcDrawPropsMainTest, TouchRegionLight) {
284 SetTestName("touch_region_light_main_thread");
285 ReadTestFile("touch_region_light");
286 RunCalcDrawProps();
287 }
288
TEST_F(CalcDrawPropsMainTest,TouchRegionHeavy)289 TEST_F(CalcDrawPropsMainTest, TouchRegionHeavy) {
290 SetTestName("touch_region_heavy_main_thread");
291 ReadTestFile("touch_region_heavy");
292 RunCalcDrawProps();
293 }
294
TEST_F(CalcDrawPropsImplTest,TenTen)295 TEST_F(CalcDrawPropsImplTest, TenTen) {
296 SetTestName("10_10");
297 ReadTestFile("10_10_layer_tree");
298 RunCalcDrawProps();
299 }
300
TEST_F(CalcDrawPropsImplTest,HeavyPage)301 TEST_F(CalcDrawPropsImplTest, HeavyPage) {
302 SetTestName("heavy_page");
303 ReadTestFile("heavy_layer_tree");
304 RunCalcDrawProps();
305 }
306
TEST_F(CalcDrawPropsImplTest,TouchRegionLight)307 TEST_F(CalcDrawPropsImplTest, TouchRegionLight) {
308 SetTestName("touch_region_light");
309 ReadTestFile("touch_region_light");
310 RunCalcDrawProps();
311 }
312
TEST_F(CalcDrawPropsImplTest,TouchRegionHeavy)313 TEST_F(CalcDrawPropsImplTest, TouchRegionHeavy) {
314 SetTestName("touch_region_heavy");
315 ReadTestFile("touch_region_heavy");
316 RunCalcDrawProps();
317 }
318
TEST_F(LayerSorterMainTest,LayerSorterCubes)319 TEST_F(LayerSorterMainTest, LayerSorterCubes) {
320 SetTestName("layer_sort_cubes");
321 ReadTestFile("layer_sort_cubes");
322 RunSortLayers();
323 }
324
TEST_F(LayerSorterMainTest,LayerSorterRubik)325 TEST_F(LayerSorterMainTest, LayerSorterRubik) {
326 SetTestName("layer_sort_rubik");
327 ReadTestFile("layer_sort_rubik");
328 RunSortLayers();
329 }
330
TEST_F(BspTreePerfTest,BspTreeCubes)331 TEST_F(BspTreePerfTest, BspTreeCubes) {
332 SetTestName("bsp_tree_cubes");
333 SetNumberOfDuplicates(1);
334 ReadTestFile("layer_sort_cubes");
335 RunSortLayers();
336 }
337
TEST_F(BspTreePerfTest,BspTreeRubik)338 TEST_F(BspTreePerfTest, BspTreeRubik) {
339 SetTestName("bsp_tree_rubik");
340 SetNumberOfDuplicates(1);
341 ReadTestFile("layer_sort_rubik");
342 RunSortLayers();
343 }
344
TEST_F(BspTreePerfTest,BspTreeCubes_2)345 TEST_F(BspTreePerfTest, BspTreeCubes_2) {
346 SetTestName("bsp_tree_cubes_2");
347 SetNumberOfDuplicates(2);
348 ReadTestFile("layer_sort_cubes");
349 RunSortLayers();
350 }
351
TEST_F(BspTreePerfTest,BspTreeCubes_4)352 TEST_F(BspTreePerfTest, BspTreeCubes_4) {
353 SetTestName("bsp_tree_cubes_4");
354 SetNumberOfDuplicates(4);
355 ReadTestFile("layer_sort_cubes");
356 RunSortLayers();
357 }
358
359 } // namespace
360 } // namespace cc
361