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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gui/TraceUtils.h>
#include "AnimationContext.h"
#include "RenderNode.h"
#include "renderthread/RenderProxy.h"
#include "renderthread/RenderTask.h"
#include "tests/common/TestContext.h"
#include "tests/common/TestScene.h"
#include "tests/common/scenes/TestSceneBase.h"
#include <benchmark/benchmark.h>
#include <gui/Surface.h>
#include <log/log.h>
#include <ui/PixelFormat.h>
// These are unstable internal APIs in google-benchmark. We should just implement our own variant
// of these instead, but this was quicker. Disabled-by-default to avoid any breakages when
// google-benchmark updates if they change anything
#if 0
#define USE_SKETCHY_INTERNAL_STATS
namespace benchmark {
std::vector<BenchmarkReporter::Run> ComputeStats(
const std::vector<BenchmarkReporter::Run> &reports);
double StatisticsMean(const std::vector<double>& v);
double StatisticsMedian(const std::vector<double>& v);
double StatisticsStdDev(const std::vector<double>& v);
}
#endif
using namespace android;
using namespace android::uirenderer;
using namespace android::uirenderer::renderthread;
using namespace android::uirenderer::test;
class ContextFactory : public IContextFactory {
public:
virtual AnimationContext* createAnimationContext(renderthread::TimeLord& clock) override {
return new AnimationContext(clock);
}
};
template <class T>
class ModifiedMovingAverage {
public:
explicit ModifiedMovingAverage(int weight) : mWeight(weight) {}
T add(T today) {
if (!mHasValue) {
mAverage = today;
} else {
mAverage = (((mWeight - 1) * mAverage) + today) / mWeight;
}
return mAverage;
}
T average() { return mAverage; }
private:
bool mHasValue = false;
int mWeight;
T mAverage;
};
using BenchmarkResults = std::vector<benchmark::BenchmarkReporter::Run>;
void outputBenchmarkReport(const TestScene::Info& info, const TestScene::Options& opts,
double durationInS, int repetationIndex, BenchmarkResults* reports) {
using namespace benchmark;
benchmark::BenchmarkReporter::Run report;
report.repetitions = opts.repeatCount;
report.repetition_index = repetationIndex;
report.run_name.function_name = info.name;
report.iterations = static_cast<int64_t>(opts.frameCount);
report.real_accumulated_time = durationInS;
report.cpu_accumulated_time = durationInS;
report.counters["FPS"] = opts.frameCount / durationInS;
if (opts.reportGpuMemoryUsage) {
size_t cpuUsage, gpuUsage;
RenderProxy::getMemoryUsage(&cpuUsage, &gpuUsage);
report.counters["Rendering RAM"] = Counter{static_cast<double>(cpuUsage + gpuUsage),
Counter::kDefaults, Counter::kIs1024};
}
reports->push_back(report);
}
static void doRun(const TestScene::Info& info, const TestScene::Options& opts, int repetitionIndex,
BenchmarkResults* reports) {
if (opts.reportGpuMemoryUsage) {
// If we're reporting GPU memory usage we need to first start with a clean slate
RenderProxy::purgeCaches();
}
TestContext testContext;
testContext.setRenderOffscreen(opts.renderOffscreen);
// create the native surface
const ui::Size& resolution = getActiveDisplayResolution();
const int width = resolution.getWidth();
const int height = resolution.getHeight();
sp<Surface> surface = testContext.surface();
std::unique_ptr<TestScene> scene(info.createScene(opts));
scene->renderTarget = surface;
sp<RenderNode> rootNode = TestUtils::createNode(
0, 0, width, height, [&scene, width, height](RenderProperties& props, Canvas& canvas) {
props.setClipToBounds(false);
scene->createContent(width, height, canvas);
});
ContextFactory factory;
std::unique_ptr<RenderProxy> proxy(new RenderProxy(false, rootNode.get(), &factory));
proxy->loadSystemProperties();
proxy->setSurface(surface.get());
float lightX = width / 2.0;
proxy->setLightAlpha(255 * 0.075, 255 * 0.15);
proxy->setLightGeometry((Vector3){lightX, dp(-200.0f), dp(800.0f)}, dp(800.0f));
// Do a few cold runs then reset the stats so that the caches are all hot
int warmupFrameCount = 5;
if (opts.renderOffscreen) {
// Do a few more warmups to try and boost the clocks up
warmupFrameCount = 10;
}
for (int i = 0; i < warmupFrameCount; i++) {
testContext.waitForVsync();
nsecs_t vsync = systemTime(SYSTEM_TIME_MONOTONIC);
UiFrameInfoBuilder(proxy->frameInfo())
.setVsync(vsync, vsync, UiFrameInfoBuilder::INVALID_VSYNC_ID,
UiFrameInfoBuilder::UNKNOWN_DEADLINE,
UiFrameInfoBuilder::UNKNOWN_FRAME_INTERVAL);
proxy->forceDrawNextFrame();
proxy->syncAndDrawFrame();
}
proxy->resetProfileInfo();
proxy->fence();
ModifiedMovingAverage<double> avgMs(opts.reportFrametimeWeight);
nsecs_t start = systemTime(SYSTEM_TIME_MONOTONIC);
for (int i = 0; i < opts.frameCount; i++) {
testContext.waitForVsync();
nsecs_t vsync = systemTime(SYSTEM_TIME_MONOTONIC);
{
ATRACE_NAME("UI-Draw Frame");
UiFrameInfoBuilder(proxy->frameInfo())
.setVsync(vsync, vsync, UiFrameInfoBuilder::INVALID_VSYNC_ID,
UiFrameInfoBuilder::UNKNOWN_DEADLINE,
UiFrameInfoBuilder::UNKNOWN_FRAME_INTERVAL);
scene->doFrame(i);
proxy->forceDrawNextFrame();
proxy->syncAndDrawFrame();
}
if (opts.reportFrametimeWeight) {
proxy->fence();
nsecs_t done = systemTime(SYSTEM_TIME_MONOTONIC);
avgMs.add((done - vsync) / 1000000.0);
if (i % 10 == 9) {
printf("Average frametime %.3fms\n", avgMs.average());
}
}
}
proxy->fence();
nsecs_t end = systemTime(SYSTEM_TIME_MONOTONIC);
if (reports) {
outputBenchmarkReport(info, opts, (end - start) / (double)s2ns(1), repetitionIndex,
reports);
} else {
proxy->dumpProfileInfo(STDOUT_FILENO, DumpFlags::JankStats);
}
}
void run(const TestScene::Info& info, const TestScene::Options& opts,
benchmark::BenchmarkReporter* reporter) {
BenchmarkResults results;
for (int i = 0; i < opts.repeatCount; i++) {
doRun(info, opts, i, reporter ? &results : nullptr);
}
if (reporter) {
reporter->ReportRuns(results);
if (results.size() > 1) {
#ifdef USE_SKETCHY_INTERNAL_STATS
std::vector<benchmark::internal::Statistics> stats;
stats.reserve(3);
stats.emplace_back("mean", benchmark::StatisticsMean);
stats.emplace_back("median", benchmark::StatisticsMedian);
stats.emplace_back("stddev", benchmark::StatisticsStdDev);
for (auto& it : results) {
it.statistics = &stats;
}
auto summary = benchmark::ComputeStats(results);
reporter->ReportRuns(summary);
#endif
}
}
if (opts.reportGpuMemoryUsageVerbose) {
RenderProxy::dumpGraphicsMemory(STDOUT_FILENO, false);
}
}
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