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1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "AnimationContext.h"
18 #include "RenderNode.h"
19 #include "tests/common/TestContext.h"
20 #include "tests/common/TestScene.h"
21 #include "tests/common/scenes/TestSceneBase.h"
22 #include "renderthread/RenderProxy.h"
23 #include "renderthread/RenderTask.h"
24 
25 #include <benchmark/benchmark.h>
26 #include <gui/Surface.h>
27 #include <log/log.h>
28 #include <ui/PixelFormat.h>
29 
30 using namespace android;
31 using namespace android::uirenderer;
32 using namespace android::uirenderer::renderthread;
33 using namespace android::uirenderer::test;
34 
35 class ContextFactory : public IContextFactory {
36 public:
createAnimationContext(renderthread::TimeLord & clock)37     virtual AnimationContext* createAnimationContext(renderthread::TimeLord& clock) override {
38         return new AnimationContext(clock);
39     }
40 };
41 
42 template<class T>
43 class ModifiedMovingAverage {
44 public:
ModifiedMovingAverage(int weight)45     explicit ModifiedMovingAverage(int weight) : mWeight(weight) {}
46 
add(T today)47     T add(T today) {
48         if (!mHasValue) {
49             mAverage = today;
50         } else {
51             mAverage = (((mWeight - 1) * mAverage) + today) / mWeight;
52         }
53         return mAverage;
54     }
55 
average()56     T average() {
57         return mAverage;
58     }
59 
60 private:
61     bool mHasValue = false;
62     int mWeight;
63     T mAverage;
64 };
65 
outputBenchmarkReport(const TestScene::Info & info,const TestScene::Options & opts,benchmark::BenchmarkReporter * reporter,RenderProxy * proxy,double durationInS)66 void outputBenchmarkReport(const TestScene::Info& info, const TestScene::Options& opts,
67         benchmark::BenchmarkReporter* reporter, RenderProxy* proxy,
68         double durationInS) {
69     using namespace benchmark;
70 
71     struct ReportInfo {
72         int percentile;
73         const char* suffix;
74     };
75 
76     static std::array<ReportInfo, 4> REPORTS = {
77         ReportInfo { 50, "_50th" },
78         ReportInfo { 90, "_90th" },
79         ReportInfo { 95, "_95th" },
80         ReportInfo { 99, "_99th" },
81     };
82 
83     // Although a vector is used, it must stay with only a single element
84     // otherwise the BenchmarkReporter will automatically compute
85     // mean and stddev which doesn't make sense for our usage
86     std::vector<BenchmarkReporter::Run> reports;
87     BenchmarkReporter::Run report;
88     report.benchmark_name = info.name;
89     report.iterations = static_cast<int64_t>(opts.count);
90     report.real_accumulated_time = durationInS;
91     report.cpu_accumulated_time = durationInS;
92     report.items_per_second = opts.count / durationInS;
93     reports.push_back(report);
94     reporter->ReportRuns(reports);
95 
96     // Pretend the percentiles are single-iteration runs of the test
97     // If rendering offscreen skip this as it's fps that's more interesting
98     // in that test case than percentiles.
99     if (!opts.renderOffscreen) {
100         for (auto& ri : REPORTS) {
101             reports[0].benchmark_name = info.name;
102             reports[0].benchmark_name += ri.suffix;
103             durationInS = proxy->frameTimePercentile(ri.percentile) / 1000.0;
104             reports[0].real_accumulated_time = durationInS;
105             reports[0].cpu_accumulated_time = durationInS;
106             reports[0].iterations = 1;
107             reports[0].items_per_second = 0;
108             reporter->ReportRuns(reports);
109         }
110     }
111 }
112 
run(const TestScene::Info & info,const TestScene::Options & opts,benchmark::BenchmarkReporter * reporter)113 void run(const TestScene::Info& info, const TestScene::Options& opts,
114         benchmark::BenchmarkReporter* reporter) {
115     // Switch to the real display
116     gDisplay = getBuiltInDisplay();
117 
118     std::unique_ptr<TestScene> scene(info.createScene(opts));
119 
120     Properties::forceDrawFrame = true;
121     TestContext testContext;
122     testContext.setRenderOffscreen(opts.renderOffscreen);
123 
124     // create the native surface
125     const int width = gDisplay.w;
126     const int height = gDisplay.h;
127     sp<Surface> surface = testContext.surface();
128 
129     sp<RenderNode> rootNode = TestUtils::createNode(0, 0, width, height,
130             [&scene, width, height](RenderProperties& props, Canvas& canvas) {
131         props.setClipToBounds(false);
132         scene->createContent(width, height, canvas);
133     });
134 
135     ContextFactory factory;
136     std::unique_ptr<RenderProxy> proxy(new RenderProxy(false,
137             rootNode.get(), &factory));
138     proxy->loadSystemProperties();
139     proxy->initialize(surface);
140     float lightX = width / 2.0;
141     proxy->setup(dp(800.0f), 255 * 0.075, 255 * 0.15);
142     proxy->setLightCenter((Vector3){lightX, dp(-200.0f), dp(800.0f)});
143 
144     // Do a few cold runs then reset the stats so that the caches are all hot
145     int warmupFrameCount = 5;
146     if (opts.renderOffscreen) {
147         // Do a few more warmups to try and boost the clocks up
148         warmupFrameCount = 10;
149     }
150     for (int i = 0; i < warmupFrameCount; i++) {
151         testContext.waitForVsync();
152         nsecs_t vsync = systemTime(CLOCK_MONOTONIC);
153         UiFrameInfoBuilder(proxy->frameInfo()).setVsync(vsync, vsync);
154         proxy->syncAndDrawFrame();
155     }
156 
157     proxy->resetProfileInfo();
158     proxy->fence();
159 
160     ModifiedMovingAverage<double> avgMs(opts.reportFrametimeWeight);
161 
162     nsecs_t start = systemTime(CLOCK_MONOTONIC);
163     for (int i = 0; i < opts.count; i++) {
164         testContext.waitForVsync();
165         nsecs_t vsync = systemTime(CLOCK_MONOTONIC);
166         {
167             ATRACE_NAME("UI-Draw Frame");
168             UiFrameInfoBuilder(proxy->frameInfo()).setVsync(vsync, vsync);
169             scene->doFrame(i);
170             proxy->syncAndDrawFrame();
171         }
172         if (opts.reportFrametimeWeight) {
173             proxy->fence();
174             nsecs_t done = systemTime(CLOCK_MONOTONIC);
175             avgMs.add((done - vsync) / 1000000.0);
176             if (i % 10 == 9) {
177                 printf("Average frametime %.3fms\n", avgMs.average());
178             }
179         }
180     }
181     proxy->fence();
182     nsecs_t end = systemTime(CLOCK_MONOTONIC);
183 
184     if (reporter) {
185         outputBenchmarkReport(info, opts, reporter, proxy.get(),
186                 (end - start) / (double) s2ns(1));
187     } else {
188         proxy->dumpProfileInfo(STDOUT_FILENO, DumpFlags::JankStats);
189     }
190 }
191