|  | /* | 
|  | * Copyright 2014 Google Inc. | 
|  | * | 
|  | * Use of this source code is governed by a BSD-style license that can be | 
|  | * found in the LICENSE file. | 
|  | */ | 
|  |  | 
|  | #include <ctype.h> | 
|  |  | 
|  | #include "nanobench.h" | 
|  |  | 
|  | #include "Benchmark.h" | 
|  | #include "BitmapRegionDecoderBench.h" | 
|  | #include "CodecBench.h" | 
|  | #include "CodecBenchPriv.h" | 
|  | #include "CrashHandler.h" | 
|  | #include "DecodingBench.h" | 
|  | #include "GMBench.h" | 
|  | #include "ProcStats.h" | 
|  | #include "ResultsWriter.h" | 
|  | #include "RecordingBench.h" | 
|  | #include "SKPAnimationBench.h" | 
|  | #include "SKPBench.h" | 
|  | #include "SubsetSingleBench.h" | 
|  | #include "SubsetTranslateBench.h" | 
|  | #include "SubsetZoomBench.h" | 
|  | #include "Stats.h" | 
|  |  | 
|  | #include "SkBitmapRegionDecoder.h" | 
|  | #include "SkBBoxHierarchy.h" | 
|  | #include "SkCanvas.h" | 
|  | #include "SkCodec.h" | 
|  | #include "SkCommonFlags.h" | 
|  | #include "SkData.h" | 
|  | #include "SkForceLinking.h" | 
|  | #include "SkGraphics.h" | 
|  | #include "SkOSFile.h" | 
|  | #include "SkPictureRecorder.h" | 
|  | #include "SkPictureUtils.h" | 
|  | #include "SkString.h" | 
|  | #include "SkSurface.h" | 
|  | #include "SkTaskGroup.h" | 
|  |  | 
|  | #include <stdlib.h> | 
|  |  | 
|  | #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK | 
|  | #include "nanobenchAndroid.h" | 
|  | #endif | 
|  |  | 
|  | #if SK_SUPPORT_GPU | 
|  | #include "gl/GrGLDefines.h" | 
|  | #include "GrCaps.h" | 
|  | #include "GrContextFactory.h" | 
|  | SkAutoTDelete<GrContextFactory> gGrFactory; | 
|  | #endif | 
|  |  | 
|  | struct GrContextOptions; | 
|  |  | 
|  | __SK_FORCE_IMAGE_DECODER_LINKING; | 
|  |  | 
|  | static const int kAutoTuneLoops = 0; | 
|  |  | 
|  | static const int kDefaultLoops = | 
|  | #ifdef SK_DEBUG | 
|  | 1; | 
|  | #else | 
|  | kAutoTuneLoops; | 
|  | #endif | 
|  |  | 
|  | static SkString loops_help_txt() { | 
|  | SkString help; | 
|  | help.printf("Number of times to run each bench. Set this to %d to auto-" | 
|  | "tune for each bench. Timings are only reported when auto-tuning.", | 
|  | kAutoTuneLoops); | 
|  | return help; | 
|  | } | 
|  |  | 
|  | static SkString to_string(int n) { | 
|  | SkString str; | 
|  | str.appendS32(n); | 
|  | return str; | 
|  | } | 
|  |  | 
|  | DEFINE_int32(loops, kDefaultLoops, loops_help_txt().c_str()); | 
|  |  | 
|  | DEFINE_int32(samples, 10, "Number of samples to measure for each bench."); | 
|  | DEFINE_int32(ms, 0, "If >0, run each bench for this many ms instead of obeying --samples."); | 
|  | DEFINE_int32(overheadLoops, 100000, "Loops to estimate timer overhead."); | 
|  | DEFINE_double(overheadGoal, 0.0001, | 
|  | "Loop until timer overhead is at most this fraction of our measurments."); | 
|  | DEFINE_double(gpuMs, 5, "Target bench time in millseconds for GPU."); | 
|  | DEFINE_int32(gpuFrameLag, 5, "If unknown, estimated maximum number of frames GPU allows to lag."); | 
|  | DEFINE_bool(gpuCompressAlphaMasks, false, "Compress masks generated from falling back to " | 
|  | "software path rendering."); | 
|  |  | 
|  | DEFINE_string(outResultsFile, "", "If given, write results here as JSON."); | 
|  | DEFINE_int32(maxCalibrationAttempts, 3, | 
|  | "Try up to this many times to guess loops for a bench, or skip the bench."); | 
|  | DEFINE_int32(maxLoops, 1000000, "Never run a bench more times than this."); | 
|  | DEFINE_string(clip, "0,0,1000,1000", "Clip for SKPs."); | 
|  | DEFINE_string(scales, "1.0", "Space-separated scales for SKPs."); | 
|  | DEFINE_string(zoom, "1.0,0", "Comma-separated zoomMax,zoomPeriodMs factors for a periodic SKP zoom " | 
|  | "function that ping-pongs between 1.0 and zoomMax."); | 
|  | DEFINE_bool(bbh, true, "Build a BBH for SKPs?"); | 
|  | DEFINE_bool(mpd, true, "Use MultiPictureDraw for the SKPs?"); | 
|  | DEFINE_bool(loopSKP, true, "Loop SKPs like we do for micro benches?"); | 
|  | DEFINE_int32(flushEvery, 10, "Flush --outResultsFile every Nth run."); | 
|  | DEFINE_bool(resetGpuContext, true, "Reset the GrContext before running each test."); | 
|  | DEFINE_bool(gpuStats, false, "Print GPU stats after each gpu benchmark?"); | 
|  |  | 
|  | static double now_ms() { return SkTime::GetNSecs() * 1e-6; } | 
|  |  | 
|  | static SkString humanize(double ms) { | 
|  | if (FLAGS_verbose) return SkStringPrintf("%llu", (uint64_t)(ms*1e6)); | 
|  | return HumanizeMs(ms); | 
|  | } | 
|  | #define HUMANIZE(ms) humanize(ms).c_str() | 
|  |  | 
|  | bool Target::init(SkImageInfo info, Benchmark* bench) { | 
|  | if (Benchmark::kRaster_Backend == config.backend) { | 
|  | this->surface.reset(SkSurface::NewRaster(info)); | 
|  | if (!this->surface.get()) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  | return true; | 
|  | } | 
|  | bool Target::capturePixels(SkBitmap* bmp) { | 
|  | SkCanvas* canvas = this->getCanvas(); | 
|  | if (!canvas) { | 
|  | return false; | 
|  | } | 
|  | bmp->setInfo(canvas->imageInfo()); | 
|  | if (!canvas->readPixels(bmp, 0, 0)) { | 
|  | SkDebugf("Can't read canvas pixels.\n"); | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | #if SK_SUPPORT_GPU | 
|  | struct GPUTarget : public Target { | 
|  | explicit GPUTarget(const Config& c) : Target(c), gl(nullptr) { } | 
|  | SkGLContext* gl; | 
|  |  | 
|  | void setup() override { | 
|  | this->gl->makeCurrent(); | 
|  | // Make sure we're done with whatever came before. | 
|  | SK_GL(*this->gl, Finish()); | 
|  | } | 
|  | void endTiming() override { | 
|  | if (this->gl) { | 
|  | SK_GL(*this->gl, Flush()); | 
|  | this->gl->swapBuffers(); | 
|  | } | 
|  | } | 
|  | void fence() override { | 
|  | SK_GL(*this->gl, Finish()); | 
|  | } | 
|  |  | 
|  | bool needsFrameTiming(int* maxFrameLag) const override { | 
|  | if (!this->gl->getMaxGpuFrameLag(maxFrameLag)) { | 
|  | // Frame lag is unknown. | 
|  | *maxFrameLag = FLAGS_gpuFrameLag; | 
|  | } | 
|  | return true; | 
|  | } | 
|  | bool init(SkImageInfo info, Benchmark* bench) override { | 
|  | uint32_t flags = this->config.useDFText ? SkSurfaceProps::kUseDeviceIndependentFonts_Flag : | 
|  | 0; | 
|  | SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType); | 
|  | this->surface.reset(SkSurface::NewRenderTarget(gGrFactory->get(this->config.ctxType), | 
|  | SkSurface::kNo_Budgeted, info, | 
|  | this->config.samples, &props)); | 
|  | this->gl = gGrFactory->getGLContext(this->config.ctxType); | 
|  | if (!this->surface.get()) { | 
|  | return false; | 
|  | } | 
|  | if (!this->gl->fenceSyncSupport()) { | 
|  | SkDebugf("WARNING: GL context for config \"%s\" does not support fence sync. " | 
|  | "Timings might not be accurate.\n", this->config.name); | 
|  | } | 
|  | return true; | 
|  | } | 
|  | void fillOptions(ResultsWriter* log) override { | 
|  | const GrGLubyte* version; | 
|  | SK_GL_RET(*this->gl, version, GetString(GR_GL_VERSION)); | 
|  | log->configOption("GL_VERSION", (const char*)(version)); | 
|  |  | 
|  | SK_GL_RET(*this->gl, version, GetString(GR_GL_RENDERER)); | 
|  | log->configOption("GL_RENDERER", (const char*) version); | 
|  |  | 
|  | SK_GL_RET(*this->gl, version, GetString(GR_GL_VENDOR)); | 
|  | log->configOption("GL_VENDOR", (const char*) version); | 
|  |  | 
|  | SK_GL_RET(*this->gl, version, GetString(GR_GL_SHADING_LANGUAGE_VERSION)); | 
|  | log->configOption("GL_SHADING_LANGUAGE_VERSION", (const char*) version); | 
|  | } | 
|  | }; | 
|  |  | 
|  | #endif | 
|  |  | 
|  | static double time(int loops, Benchmark* bench, Target* target) { | 
|  | SkCanvas* canvas = target->getCanvas(); | 
|  | if (canvas) { | 
|  | canvas->clear(SK_ColorWHITE); | 
|  | } | 
|  | bench->preDraw(canvas); | 
|  | double start = now_ms(); | 
|  | canvas = target->beginTiming(canvas); | 
|  | bench->draw(loops, canvas); | 
|  | if (canvas) { | 
|  | canvas->flush(); | 
|  | } | 
|  | target->endTiming(); | 
|  | double elapsed = now_ms() - start; | 
|  | bench->postDraw(canvas); | 
|  | return elapsed; | 
|  | } | 
|  |  | 
|  | static double estimate_timer_overhead() { | 
|  | double overhead = 0; | 
|  | for (int i = 0; i < FLAGS_overheadLoops; i++) { | 
|  | double start = now_ms(); | 
|  | overhead += now_ms() - start; | 
|  | } | 
|  | return overhead / FLAGS_overheadLoops; | 
|  | } | 
|  |  | 
|  | static int detect_forever_loops(int loops) { | 
|  | // look for a magic run-forever value | 
|  | if (loops < 0) { | 
|  | loops = SK_MaxS32; | 
|  | } | 
|  | return loops; | 
|  | } | 
|  |  | 
|  | static int clamp_loops(int loops) { | 
|  | if (loops < 1) { | 
|  | SkDebugf("ERROR: clamping loops from %d to 1. " | 
|  | "There's probably something wrong with the bench.\n", loops); | 
|  | return 1; | 
|  | } | 
|  | if (loops > FLAGS_maxLoops) { | 
|  | SkDebugf("WARNING: clamping loops from %d to FLAGS_maxLoops, %d.\n", loops, FLAGS_maxLoops); | 
|  | return FLAGS_maxLoops; | 
|  | } | 
|  | return loops; | 
|  | } | 
|  |  | 
|  | static bool write_canvas_png(Target* target, const SkString& filename) { | 
|  |  | 
|  | if (filename.isEmpty()) { | 
|  | return false; | 
|  | } | 
|  | if (target->getCanvas() && | 
|  | kUnknown_SkColorType == target->getCanvas()->imageInfo().colorType()) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | SkBitmap bmp; | 
|  |  | 
|  | if (!target->capturePixels(&bmp)) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | SkString dir = SkOSPath::Dirname(filename.c_str()); | 
|  | if (!sk_mkdir(dir.c_str())) { | 
|  | SkDebugf("Can't make dir %s.\n", dir.c_str()); | 
|  | return false; | 
|  | } | 
|  | SkFILEWStream stream(filename.c_str()); | 
|  | if (!stream.isValid()) { | 
|  | SkDebugf("Can't write %s.\n", filename.c_str()); | 
|  | return false; | 
|  | } | 
|  | if (!SkImageEncoder::EncodeStream(&stream, bmp, SkImageEncoder::kPNG_Type, 100)) { | 
|  | SkDebugf("Can't encode a PNG.\n"); | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static int kFailedLoops = -2; | 
|  | static int setup_cpu_bench(const double overhead, Target* target, Benchmark* bench) { | 
|  | // First figure out approximately how many loops of bench it takes to make overhead negligible. | 
|  | double bench_plus_overhead = 0.0; | 
|  | int round = 0; | 
|  | int loops = bench->calculateLoops(FLAGS_loops); | 
|  | if (kAutoTuneLoops == loops) { | 
|  | while (bench_plus_overhead < overhead) { | 
|  | if (round++ == FLAGS_maxCalibrationAttempts) { | 
|  | SkDebugf("WARNING: Can't estimate loops for %s (%s vs. %s); skipping.\n", | 
|  | bench->getUniqueName(), HUMANIZE(bench_plus_overhead), HUMANIZE(overhead)); | 
|  | return kFailedLoops; | 
|  | } | 
|  | bench_plus_overhead = time(1, bench, target); | 
|  | } | 
|  | } | 
|  |  | 
|  | // Later we'll just start and stop the timer once but loop N times. | 
|  | // We'll pick N to make timer overhead negligible: | 
|  | // | 
|  | //          overhead | 
|  | //  -------------------------  < FLAGS_overheadGoal | 
|  | //  overhead + N * Bench Time | 
|  | // | 
|  | // where bench_plus_overhead ≈ overhead + Bench Time. | 
|  | // | 
|  | // Doing some math, we get: | 
|  | // | 
|  | //  (overhead / FLAGS_overheadGoal) - overhead | 
|  | //  ------------------------------------------  < N | 
|  | //       bench_plus_overhead - overhead) | 
|  | // | 
|  | // Luckily, this also works well in practice. :) | 
|  | if (kAutoTuneLoops == loops) { | 
|  | const double numer = overhead / FLAGS_overheadGoal - overhead; | 
|  | const double denom = bench_plus_overhead - overhead; | 
|  | loops = (int)ceil(numer / denom); | 
|  | loops = clamp_loops(loops); | 
|  | } else { | 
|  | loops = detect_forever_loops(loops); | 
|  | } | 
|  |  | 
|  | return loops; | 
|  | } | 
|  |  | 
|  | static int setup_gpu_bench(Target* target, Benchmark* bench, int maxGpuFrameLag) { | 
|  | // First, figure out how many loops it'll take to get a frame up to FLAGS_gpuMs. | 
|  | int loops = bench->calculateLoops(FLAGS_loops); | 
|  | if (kAutoTuneLoops == loops) { | 
|  | loops = 1; | 
|  | double elapsed = 0; | 
|  | do { | 
|  | if (1<<30 == loops) { | 
|  | // We're about to wrap.  Something's wrong with the bench. | 
|  | loops = 0; | 
|  | break; | 
|  | } | 
|  | loops *= 2; | 
|  | // If the GPU lets frames lag at all, we need to make sure we're timing | 
|  | // _this_ round, not still timing last round. | 
|  | for (int i = 0; i < maxGpuFrameLag; i++) { | 
|  | elapsed = time(loops, bench, target); | 
|  | } | 
|  | } while (elapsed < FLAGS_gpuMs); | 
|  |  | 
|  | // We've overshot at least a little.  Scale back linearly. | 
|  | loops = (int)ceil(loops * FLAGS_gpuMs / elapsed); | 
|  | loops = clamp_loops(loops); | 
|  |  | 
|  | // Make sure we're not still timing our calibration. | 
|  | target->fence(); | 
|  | } else { | 
|  | loops = detect_forever_loops(loops); | 
|  | } | 
|  |  | 
|  | // Pretty much the same deal as the calibration: do some warmup to make | 
|  | // sure we're timing steady-state pipelined frames. | 
|  | for (int i = 0; i < maxGpuFrameLag - 1; i++) { | 
|  | time(loops, bench, target); | 
|  | } | 
|  |  | 
|  | return loops; | 
|  | } | 
|  |  | 
|  | static SkString to_lower(const char* str) { | 
|  | SkString lower(str); | 
|  | for (size_t i = 0; i < lower.size(); i++) { | 
|  | lower[i] = tolower(lower[i]); | 
|  | } | 
|  | return lower; | 
|  | } | 
|  |  | 
|  | static bool is_cpu_config_allowed(const char* name) { | 
|  | for (int i = 0; i < FLAGS_config.count(); i++) { | 
|  | if (to_lower(FLAGS_config[i]).equals(name)) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | #if SK_SUPPORT_GPU | 
|  | static bool is_gpu_config_allowed(const char* name, GrContextFactory::GLContextType ctxType, | 
|  | int sampleCnt) { | 
|  | if (!is_cpu_config_allowed(name)) { | 
|  | return false; | 
|  | } | 
|  | if (const GrContext* ctx = gGrFactory->get(ctxType)) { | 
|  | return sampleCnt <= ctx->caps()->maxSampleCount(); | 
|  | } | 
|  | return false; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #if SK_SUPPORT_GPU | 
|  | #define kBogusGLContextType GrContextFactory::kNative_GLContextType | 
|  | #else | 
|  | #define kBogusGLContextType 0 | 
|  | #endif | 
|  |  | 
|  | // Append all configs that are enabled and supported. | 
|  | static void create_configs(SkTDArray<Config>* configs) { | 
|  | #define CPU_CONFIG(name, backend, color, alpha)                       \ | 
|  | if (is_cpu_config_allowed(#name)) {                               \ | 
|  | Config config = { #name, Benchmark::backend, color, alpha, 0, \ | 
|  | kBogusGLContextType, false };               \ | 
|  | configs->push(config);                                        \ | 
|  | } | 
|  |  | 
|  | if (FLAGS_cpu) { | 
|  | CPU_CONFIG(nonrendering, kNonRendering_Backend, kUnknown_SkColorType, kUnpremul_SkAlphaType) | 
|  | CPU_CONFIG(8888, kRaster_Backend, kN32_SkColorType, kPremul_SkAlphaType) | 
|  | CPU_CONFIG(565, kRaster_Backend, kRGB_565_SkColorType, kOpaque_SkAlphaType) | 
|  | } | 
|  |  | 
|  | #if SK_SUPPORT_GPU | 
|  | #define GPU_CONFIG(name, ctxType, samples, useDFText)                        \ | 
|  | if (is_gpu_config_allowed(#name, GrContextFactory::ctxType, samples)) {  \ | 
|  | Config config = {                                                    \ | 
|  | #name,                                                           \ | 
|  | Benchmark::kGPU_Backend,                                         \ | 
|  | kN32_SkColorType,                                                \ | 
|  | kPremul_SkAlphaType,                                             \ | 
|  | samples,                                                         \ | 
|  | GrContextFactory::ctxType,                                       \ | 
|  | useDFText };                                                     \ | 
|  | configs->push(config);                                               \ | 
|  | } | 
|  |  | 
|  | if (FLAGS_gpu) { | 
|  | GPU_CONFIG(gpu, kNative_GLContextType, 0, false) | 
|  | GPU_CONFIG(msaa4, kNative_GLContextType, 4, false) | 
|  | GPU_CONFIG(msaa16, kNative_GLContextType, 16, false) | 
|  | GPU_CONFIG(nvprmsaa4, kNVPR_GLContextType, 4, false) | 
|  | GPU_CONFIG(nvprmsaa16, kNVPR_GLContextType, 16, false) | 
|  | GPU_CONFIG(gpudft, kNative_GLContextType, 0, true) | 
|  | GPU_CONFIG(debug, kDebug_GLContextType, 0, false) | 
|  | GPU_CONFIG(nullgpu, kNull_GLContextType, 0, false) | 
|  | #ifdef SK_ANGLE | 
|  | GPU_CONFIG(angle, kANGLE_GLContextType, 0, false) | 
|  | GPU_CONFIG(angle-gl, kANGLE_GL_GLContextType, 0, false) | 
|  | #endif | 
|  | #ifdef SK_COMMAND_BUFFER | 
|  | GPU_CONFIG(commandbuffer, kCommandBuffer_GLContextType, 0, false) | 
|  | #endif | 
|  | #if SK_MESA | 
|  | GPU_CONFIG(mesa, kMESA_GLContextType, 0, false) | 
|  | #endif | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK | 
|  | if (is_cpu_config_allowed("hwui")) { | 
|  | Config config = { "hwui", Benchmark::kHWUI_Backend, kRGBA_8888_SkColorType, | 
|  | kPremul_SkAlphaType, 0, kBogusGLContextType, false }; | 
|  | configs->push(config); | 
|  | } | 
|  | #endif | 
|  | } | 
|  |  | 
|  | // If bench is enabled for config, returns a Target* for it, otherwise nullptr. | 
|  | static Target* is_enabled(Benchmark* bench, const Config& config) { | 
|  | if (!bench->isSuitableFor(config.backend)) { | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | SkImageInfo info = SkImageInfo::Make(bench->getSize().fX, bench->getSize().fY, | 
|  | config.color, config.alpha); | 
|  |  | 
|  | Target* target = nullptr; | 
|  |  | 
|  | switch (config.backend) { | 
|  | #if SK_SUPPORT_GPU | 
|  | case Benchmark::kGPU_Backend: | 
|  | target = new GPUTarget(config); | 
|  | break; | 
|  | #endif | 
|  | #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK | 
|  | case Benchmark::kHWUI_Backend: | 
|  | target = new HWUITarget(config, bench); | 
|  | break; | 
|  | #endif | 
|  | default: | 
|  | target = new Target(config); | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (!target->init(info, bench)) { | 
|  | delete target; | 
|  | return nullptr; | 
|  | } | 
|  | return target; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * We only run our subset benches on files that are supported by BitmapRegionDecoder: | 
|  | * i.e. PNG, JPEG, and WEBP. We do *not* test WEBP, since we do not have a scanline | 
|  | * decoder for WEBP, which is necessary for running the subset bench. (Another bench | 
|  | * must be used to test WEBP, which decodes subsets natively.) | 
|  | */ | 
|  | static bool run_subset_bench(const SkString& path) { | 
|  | static const char* const exts[] = { | 
|  | "jpg", "jpeg", "png", | 
|  | "JPG", "JPEG", "PNG", | 
|  | }; | 
|  |  | 
|  | for (uint32_t i = 0; i < SK_ARRAY_COUNT(exts); i++) { | 
|  | if (path.endsWith(exts[i])) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  |  | 
|  | return false; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Returns true if set up for a subset decode succeeds, false otherwise | 
|  | * If the set-up succeeds, the width and height parameters will be set | 
|  | */ | 
|  | static bool valid_subset_bench(const SkString& path, SkColorType colorType, | 
|  | int* width, int* height) { | 
|  | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(path.c_str())); | 
|  | SkAutoTDelete<SkMemoryStream> stream(new SkMemoryStream(encoded)); | 
|  |  | 
|  | // Check that we can create a codec. | 
|  | SkAutoTDelete<SkCodec> codec(SkCodec::NewFromStream(stream.detach())); | 
|  | if (nullptr == codec) { | 
|  | SkDebugf("Could not create codec for %s.  Skipping bench.\n", path.c_str()); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // These will be initialized by SkCodec if the color type is kIndex8 and | 
|  | // unused otherwise. | 
|  | SkPMColor colors[256]; | 
|  | int colorCount; | 
|  | const SkImageInfo info = codec->getInfo().makeColorType(colorType); | 
|  | if (codec->startScanlineDecode(info, nullptr, colors, &colorCount) != SkCodec::kSuccess) | 
|  | { | 
|  | SkDebugf("Could not create scanline decoder for %s with color type %s.  " | 
|  | "Skipping bench.\n", path.c_str(), color_type_to_str(colorType)); | 
|  | return false; | 
|  | } | 
|  | *width = info.width(); | 
|  | *height = info.height(); | 
|  |  | 
|  | // Check if the image is large enough for a meaningful subset benchmark. | 
|  | if (*width <= 512 && *height <= 512) { | 
|  | // This should not print a message since it is not an error. | 
|  | return false; | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool valid_brd_bench(SkData* encoded, SkBitmapRegionDecoder::Strategy strategy, | 
|  | SkColorType colorType, uint32_t sampleSize, uint32_t minOutputSize, int* width, | 
|  | int* height) { | 
|  | SkAutoTDelete<SkBitmapRegionDecoder> brd( | 
|  | SkBitmapRegionDecoder::Create(encoded, strategy)); | 
|  | if (nullptr == brd.get()) { | 
|  | // This is indicates that subset decoding is not supported for a particular image format. | 
|  | return false; | 
|  | } | 
|  |  | 
|  | SkBitmap bitmap; | 
|  | if (!brd->decodeRegion(&bitmap, nullptr, SkIRect::MakeXYWH(0, 0, brd->width(), brd->height()), | 
|  | 1, colorType, false)) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (sampleSize * minOutputSize > (uint32_t) brd->width() || sampleSize * minOutputSize > | 
|  | (uint32_t) brd->height()) { | 
|  | // This indicates that the image is not large enough to decode a | 
|  | // minOutputSize x minOutputSize subset at the given sampleSize. | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Set the image width and height.  The calling code will use this to choose subsets to decode. | 
|  | *width = brd->width(); | 
|  | *height = brd->height(); | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static void cleanup_run(Target* target) { | 
|  | delete target; | 
|  | #if SK_SUPPORT_GPU | 
|  | if (FLAGS_abandonGpuContext) { | 
|  | gGrFactory->abandonContexts(); | 
|  | } | 
|  | if (FLAGS_resetGpuContext || FLAGS_abandonGpuContext) { | 
|  | gGrFactory->destroyContexts(); | 
|  | } | 
|  | #endif | 
|  | } | 
|  |  | 
|  | class BenchmarkStream { | 
|  | public: | 
|  | BenchmarkStream() : fBenches(BenchRegistry::Head()) | 
|  | , fGMs(skiagm::GMRegistry::Head()) | 
|  | , fCurrentRecording(0) | 
|  | , fCurrentScale(0) | 
|  | , fCurrentSKP(0) | 
|  | , fCurrentUseMPD(0) | 
|  | , fCurrentCodec(0) | 
|  | , fCurrentImage(0) | 
|  | , fCurrentSubsetImage(0) | 
|  | , fCurrentBRDImage(0) | 
|  | , fCurrentColorType(0) | 
|  | , fCurrentSubsetType(0) | 
|  | , fCurrentBRDStrategy(0) | 
|  | , fCurrentBRDSampleSize(0) | 
|  | , fCurrentAnimSKP(0) { | 
|  | for (int i = 0; i < FLAGS_skps.count(); i++) { | 
|  | if (SkStrEndsWith(FLAGS_skps[i], ".skp")) { | 
|  | fSKPs.push_back() = FLAGS_skps[i]; | 
|  | } else { | 
|  | SkOSFile::Iter it(FLAGS_skps[i], ".skp"); | 
|  | SkString path; | 
|  | while (it.next(&path)) { | 
|  | fSKPs.push_back() = SkOSPath::Join(FLAGS_skps[0], path.c_str()); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (4 != sscanf(FLAGS_clip[0], "%d,%d,%d,%d", | 
|  | &fClip.fLeft, &fClip.fTop, &fClip.fRight, &fClip.fBottom)) { | 
|  | SkDebugf("Can't parse %s from --clip as an SkIRect.\n", FLAGS_clip[0]); | 
|  | exit(1); | 
|  | } | 
|  |  | 
|  | for (int i = 0; i < FLAGS_scales.count(); i++) { | 
|  | if (1 != sscanf(FLAGS_scales[i], "%f", &fScales.push_back())) { | 
|  | SkDebugf("Can't parse %s from --scales as an SkScalar.\n", FLAGS_scales[i]); | 
|  | exit(1); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (2 != sscanf(FLAGS_zoom[0], "%f,%lf", &fZoomMax, &fZoomPeriodMs)) { | 
|  | SkDebugf("Can't parse %s from --zoom as a zoomMax,zoomPeriodMs.\n", FLAGS_zoom[0]); | 
|  | exit(1); | 
|  | } | 
|  |  | 
|  | if (FLAGS_mpd) { | 
|  | fUseMPDs.push_back() = true; | 
|  | } | 
|  | fUseMPDs.push_back() = false; | 
|  |  | 
|  | // Prepare the images for decoding | 
|  | for (int i = 0; i < FLAGS_images.count(); i++) { | 
|  | const char* flag = FLAGS_images[i]; | 
|  | if (sk_isdir(flag)) { | 
|  | // If the value passed in is a directory, add all the images | 
|  | SkOSFile::Iter it(flag); | 
|  | SkString file; | 
|  | while (it.next(&file)) { | 
|  | fImages.push_back() = SkOSPath::Join(flag, file.c_str()); | 
|  | } | 
|  | } else if (sk_exists(flag)) { | 
|  | // Also add the value if it is a single image | 
|  | fImages.push_back() = flag; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Choose the candidate color types for image decoding | 
|  | const SkColorType colorTypes[] = | 
|  | { kN32_SkColorType, | 
|  | kRGB_565_SkColorType, | 
|  | kAlpha_8_SkColorType, | 
|  | kIndex_8_SkColorType, | 
|  | kGray_8_SkColorType }; | 
|  | fColorTypes.reset(colorTypes, SK_ARRAY_COUNT(colorTypes)); | 
|  | } | 
|  |  | 
|  | static bool ReadPicture(const char* path, SkAutoTUnref<SkPicture>* pic) { | 
|  | // Not strictly necessary, as it will be checked again later, | 
|  | // but helps to avoid a lot of pointless work if we're going to skip it. | 
|  | if (SkCommandLineFlags::ShouldSkip(FLAGS_match, path)) { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(path)); | 
|  | if (stream.get() == nullptr) { | 
|  | SkDebugf("Could not read %s.\n", path); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | pic->reset(SkPicture::CreateFromStream(stream.get())); | 
|  | if (pic->get() == nullptr) { | 
|  | SkDebugf("Could not read %s as an SkPicture.\n", path); | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | Benchmark* next() { | 
|  | if (fBenches) { | 
|  | Benchmark* bench = fBenches->factory()(nullptr); | 
|  | fBenches = fBenches->next(); | 
|  | fSourceType = "bench"; | 
|  | fBenchType  = "micro"; | 
|  | return bench; | 
|  | } | 
|  |  | 
|  | while (fGMs) { | 
|  | SkAutoTDelete<skiagm::GM> gm(fGMs->factory()(nullptr)); | 
|  | fGMs = fGMs->next(); | 
|  | if (gm->runAsBench()) { | 
|  | fSourceType = "gm"; | 
|  | fBenchType  = "micro"; | 
|  | return new GMBench(gm.detach()); | 
|  | } | 
|  | } | 
|  |  | 
|  | // First add all .skps as RecordingBenches. | 
|  | while (fCurrentRecording < fSKPs.count()) { | 
|  | const SkString& path = fSKPs[fCurrentRecording++]; | 
|  | SkAutoTUnref<SkPicture> pic; | 
|  | if (!ReadPicture(path.c_str(), &pic)) { | 
|  | continue; | 
|  | } | 
|  | SkString name = SkOSPath::Basename(path.c_str()); | 
|  | fSourceType = "skp"; | 
|  | fBenchType  = "recording"; | 
|  | fSKPBytes = static_cast<double>(SkPictureUtils::ApproximateBytesUsed(pic)); | 
|  | fSKPOps   = pic->approximateOpCount(); | 
|  | return new RecordingBench(name.c_str(), pic.get(), FLAGS_bbh); | 
|  | } | 
|  |  | 
|  | // Then once each for each scale as SKPBenches (playback). | 
|  | while (fCurrentScale < fScales.count()) { | 
|  | while (fCurrentSKP < fSKPs.count()) { | 
|  | const SkString& path = fSKPs[fCurrentSKP]; | 
|  | SkAutoTUnref<SkPicture> pic; | 
|  | if (!ReadPicture(path.c_str(), &pic)) { | 
|  | fCurrentSKP++; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | while (fCurrentUseMPD < fUseMPDs.count()) { | 
|  | if (FLAGS_bbh) { | 
|  | // The SKP we read off disk doesn't have a BBH.  Re-record so it grows one. | 
|  | SkRTreeFactory factory; | 
|  | SkPictureRecorder recorder; | 
|  | static const int kFlags = SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag; | 
|  | pic->playback(recorder.beginRecording(pic->cullRect().width(), | 
|  | pic->cullRect().height(), | 
|  | &factory, | 
|  | fUseMPDs[fCurrentUseMPD] ? kFlags : 0)); | 
|  | pic.reset(recorder.endRecording()); | 
|  | } | 
|  | SkString name = SkOSPath::Basename(path.c_str()); | 
|  | fSourceType = "skp"; | 
|  | fBenchType = "playback"; | 
|  | return new SKPBench(name.c_str(), pic.get(), fClip, fScales[fCurrentScale], | 
|  | fUseMPDs[fCurrentUseMPD++], FLAGS_loopSKP); | 
|  | } | 
|  | fCurrentUseMPD = 0; | 
|  | fCurrentSKP++; | 
|  | } | 
|  | fCurrentSKP = 0; | 
|  | fCurrentScale++; | 
|  | } | 
|  |  | 
|  | // Now loop over each skp again if we have an animation | 
|  | if (fZoomMax != 1.0f && fZoomPeriodMs > 0) { | 
|  | while (fCurrentAnimSKP < fSKPs.count()) { | 
|  | const SkString& path = fSKPs[fCurrentAnimSKP]; | 
|  | SkAutoTUnref<SkPicture> pic; | 
|  | if (!ReadPicture(path.c_str(), &pic)) { | 
|  | fCurrentAnimSKP++; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | fCurrentAnimSKP++; | 
|  | SkString name = SkOSPath::Basename(path.c_str()); | 
|  | SkAutoTUnref<SKPAnimationBench::Animation> animation( | 
|  | SKPAnimationBench::CreateZoomAnimation(fZoomMax, fZoomPeriodMs)); | 
|  | return new SKPAnimationBench(name.c_str(), pic.get(), fClip, animation, | 
|  | FLAGS_loopSKP); | 
|  | } | 
|  | } | 
|  |  | 
|  | for (; fCurrentCodec < fImages.count(); fCurrentCodec++) { | 
|  | fSourceType = "image"; | 
|  | fBenchType = "skcodec"; | 
|  | const SkString& path = fImages[fCurrentCodec]; | 
|  | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(path.c_str())); | 
|  | SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(encoded)); | 
|  | if (!codec) { | 
|  | // Nothing to time. | 
|  | SkDebugf("Cannot find codec for %s\n", path.c_str()); | 
|  | continue; | 
|  | } | 
|  |  | 
|  | while (fCurrentColorType < fColorTypes.count()) { | 
|  | const SkColorType colorType = fColorTypes[fCurrentColorType]; | 
|  | fCurrentColorType++; | 
|  |  | 
|  | // Make sure we can decode to this color type. | 
|  | SkImageInfo info = codec->getInfo().makeColorType(colorType); | 
|  | SkAlphaType alphaType; | 
|  | if (!SkColorTypeValidateAlphaType(colorType, info.alphaType(), | 
|  | &alphaType)) { | 
|  | continue; | 
|  | } | 
|  | if (alphaType != info.alphaType()) { | 
|  | info = info.makeAlphaType(alphaType); | 
|  | } | 
|  |  | 
|  | const size_t rowBytes = info.minRowBytes(); | 
|  | SkAutoMalloc storage(info.getSafeSize(rowBytes)); | 
|  |  | 
|  | // Used if fCurrentColorType is kIndex_8_SkColorType | 
|  | int colorCount = 256; | 
|  | SkPMColor colors[256]; | 
|  |  | 
|  | const SkCodec::Result result = codec->getPixels( | 
|  | info, storage.get(), rowBytes, nullptr, colors, | 
|  | &colorCount); | 
|  | switch (result) { | 
|  | case SkCodec::kSuccess: | 
|  | case SkCodec::kIncompleteInput: | 
|  | return new CodecBench(SkOSPath::Basename(path.c_str()), | 
|  | encoded, colorType); | 
|  | case SkCodec::kInvalidConversion: | 
|  | // This is okay. Not all conversions are valid. | 
|  | break; | 
|  | default: | 
|  | // This represents some sort of failure. | 
|  | SkASSERT(false); | 
|  | break; | 
|  | } | 
|  | } | 
|  | fCurrentColorType = 0; | 
|  | } | 
|  |  | 
|  | // Run the DecodingBenches | 
|  | while (fCurrentImage < fImages.count()) { | 
|  | fSourceType = "image"; | 
|  | fBenchType = "skimagedecoder"; | 
|  | while (fCurrentColorType < fColorTypes.count()) { | 
|  | const SkString& path = fImages[fCurrentImage]; | 
|  | SkColorType colorType = fColorTypes[fCurrentColorType]; | 
|  | fCurrentColorType++; | 
|  | // Check if the image decodes to the right color type | 
|  | // before creating the benchmark | 
|  | SkBitmap bitmap; | 
|  | if (SkImageDecoder::DecodeFile(path.c_str(), &bitmap, | 
|  | colorType, SkImageDecoder::kDecodePixels_Mode) | 
|  | && bitmap.colorType() == colorType) { | 
|  | return new DecodingBench(path, colorType); | 
|  | } | 
|  | } | 
|  | fCurrentColorType = 0; | 
|  | fCurrentImage++; | 
|  | } | 
|  |  | 
|  | // Run the SubsetBenches | 
|  | while (fCurrentSubsetImage < fImages.count()) { | 
|  | fSourceType = "image"; | 
|  | fBenchType = "skcodec"; | 
|  | const SkString& path = fImages[fCurrentSubsetImage]; | 
|  | if (!run_subset_bench(path)) { | 
|  | fCurrentSubsetImage++; | 
|  | continue; | 
|  | } | 
|  | while (fCurrentColorType < fColorTypes.count()) { | 
|  | SkColorType colorType = fColorTypes[fCurrentColorType]; | 
|  | while (fCurrentSubsetType <= kLast_SubsetType) { | 
|  | int width = 0; | 
|  | int height = 0; | 
|  | int currentSubsetType = fCurrentSubsetType++; | 
|  | if (valid_subset_bench(path, colorType, &width, &height)) { | 
|  | switch (currentSubsetType) { | 
|  | case kTopLeft_SubsetType: | 
|  | return new SubsetSingleBench(path, colorType, width/3, | 
|  | height/3, 0, 0); | 
|  | case kTopRight_SubsetType: | 
|  | return new SubsetSingleBench(path, colorType, width/3, | 
|  | height/3, 2*width/3, 0); | 
|  | case kMiddle_SubsetType: | 
|  | return new SubsetSingleBench(path, colorType, width/3, | 
|  | height/3, width/3, height/3); | 
|  | case kBottomLeft_SubsetType: | 
|  | return new SubsetSingleBench(path, colorType, width/3, | 
|  | height/3, 0, 2*height/3); | 
|  | case kBottomRight_SubsetType: | 
|  | return new SubsetSingleBench(path, colorType, width/3, | 
|  | height/3, 2*width/3, 2*height/3); | 
|  | case kTranslate_SubsetType: | 
|  | return new SubsetTranslateBench(path, colorType, 512, 512); | 
|  | case kZoom_SubsetType: | 
|  | return new SubsetZoomBench(path, colorType, 512, 512); | 
|  | } | 
|  | } else { | 
|  | break; | 
|  | } | 
|  | } | 
|  | fCurrentSubsetType = 0; | 
|  | fCurrentColorType++; | 
|  | } | 
|  | fCurrentColorType = 0; | 
|  | fCurrentSubsetImage++; | 
|  | } | 
|  |  | 
|  | // Run the BRDBenches | 
|  | // We will benchmark multiple BRD strategies. | 
|  | static const struct { | 
|  | SkBitmapRegionDecoder::Strategy    fStrategy; | 
|  | const char*                        fName; | 
|  | } strategies[] = { | 
|  | { SkBitmapRegionDecoder::kCanvas_Strategy,       "BRD_canvas" }, | 
|  | { SkBitmapRegionDecoder::kAndroidCodec_Strategy, "BRD_android_codec" }, | 
|  | }; | 
|  |  | 
|  | // We intend to create benchmarks that model the use cases in | 
|  | // android/libraries/social/tiledimage.  In this library, an image is decoded in 512x512 | 
|  | // tiles.  The image can be translated freely, so the location of a tile may be anywhere in | 
|  | // the image.  For that reason, we will benchmark decodes in five representative locations | 
|  | // in the image.  Additionally, this use case utilizes power of two scaling, so we will | 
|  | // test on power of two sample sizes.  The output tile is always 512x512, so, when a | 
|  | // sampleSize is used, the size of the subset that is decoded is always | 
|  | // (sampleSize*512)x(sampleSize*512). | 
|  | // There are a few good reasons to only test on power of two sample sizes at this time: | 
|  | //     JPEG decodes using kOriginal_Strategy are broken for non-powers of two. | 
|  | //         https://bug.skia.org/4319 | 
|  | //     All use cases we are aware of only scale by powers of two. | 
|  | //     PNG decodes use the indicated sampling strategy regardless of the sample size, so | 
|  | //         these tests are sufficient to provide good coverage of our scaling options. | 
|  | const uint32_t sampleSizes[] = { 1, 2, 4, 8, 16, 32, 64 }; | 
|  | const uint32_t minOutputSize = 512; | 
|  | while (fCurrentBRDImage < fImages.count()) { | 
|  | while (fCurrentBRDStrategy < (int) SK_ARRAY_COUNT(strategies)) { | 
|  | fSourceType = "image"; | 
|  | fBenchType = strategies[fCurrentBRDStrategy].fName; | 
|  |  | 
|  | const SkString& path = fImages[fCurrentBRDImage]; | 
|  | const SkBitmapRegionDecoder::Strategy strategy = | 
|  | strategies[fCurrentBRDStrategy].fStrategy; | 
|  |  | 
|  | while (fCurrentColorType < fColorTypes.count()) { | 
|  | while (fCurrentBRDSampleSize < (int) SK_ARRAY_COUNT(sampleSizes)) { | 
|  | while (fCurrentSubsetType <= kLastSingle_SubsetType) { | 
|  |  | 
|  |  | 
|  | SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(path.c_str())); | 
|  | const SkColorType colorType = fColorTypes[fCurrentColorType]; | 
|  | uint32_t sampleSize = sampleSizes[fCurrentBRDSampleSize]; | 
|  | int currentSubsetType = fCurrentSubsetType++; | 
|  |  | 
|  | int width = 0; | 
|  | int height = 0; | 
|  | if (!valid_brd_bench(encoded.get(), strategy, colorType, sampleSize, | 
|  | minOutputSize, &width, &height)) { | 
|  | break; | 
|  | } | 
|  |  | 
|  | SkString basename = SkOSPath::Basename(path.c_str()); | 
|  | SkIRect subset; | 
|  | const uint32_t subsetSize = sampleSize * minOutputSize; | 
|  | switch (currentSubsetType) { | 
|  | case kTopLeft_SubsetType: | 
|  | basename.append("_TopLeft"); | 
|  | subset = SkIRect::MakeXYWH(0, 0, subsetSize, subsetSize); | 
|  | break; | 
|  | case kTopRight_SubsetType: | 
|  | basename.append("_TopRight"); | 
|  | subset = SkIRect::MakeXYWH(width - subsetSize, 0, subsetSize, | 
|  | subsetSize); | 
|  | break; | 
|  | case kMiddle_SubsetType: | 
|  | basename.append("_Middle"); | 
|  | subset = SkIRect::MakeXYWH((width - subsetSize) / 2, | 
|  | (height - subsetSize) / 2, subsetSize, subsetSize); | 
|  | break; | 
|  | case kBottomLeft_SubsetType: | 
|  | basename.append("_BottomLeft"); | 
|  | subset = SkIRect::MakeXYWH(0, height - subsetSize, subsetSize, | 
|  | subsetSize); | 
|  | break; | 
|  | case kBottomRight_SubsetType: | 
|  | basename.append("_BottomRight"); | 
|  | subset = SkIRect::MakeXYWH(width - subsetSize, | 
|  | height - subsetSize, subsetSize, subsetSize); | 
|  | break; | 
|  | default: | 
|  | SkASSERT(false); | 
|  | } | 
|  |  | 
|  | return new BitmapRegionDecoderBench(basename.c_str(), encoded.get(), | 
|  | strategy, colorType, sampleSize, subset); | 
|  | } | 
|  | fCurrentSubsetType = 0; | 
|  | fCurrentBRDSampleSize++; | 
|  | } | 
|  | fCurrentBRDSampleSize = 0; | 
|  | fCurrentColorType++; | 
|  | } | 
|  | fCurrentColorType = 0; | 
|  | fCurrentBRDStrategy++; | 
|  | } | 
|  | fCurrentBRDStrategy = 0; | 
|  | fCurrentBRDImage++; | 
|  | } | 
|  |  | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | void fillCurrentOptions(ResultsWriter* log) const { | 
|  | log->configOption("source_type", fSourceType); | 
|  | log->configOption("bench_type",  fBenchType); | 
|  | if (0 == strcmp(fSourceType, "skp")) { | 
|  | log->configOption("clip", | 
|  | SkStringPrintf("%d %d %d %d", fClip.fLeft, fClip.fTop, | 
|  | fClip.fRight, fClip.fBottom).c_str()); | 
|  | SK_ALWAYSBREAK(fCurrentScale < fScales.count());  // debugging paranoia | 
|  | log->configOption("scale", SkStringPrintf("%.2g", fScales[fCurrentScale]).c_str()); | 
|  | if (fCurrentUseMPD > 0) { | 
|  | SkASSERT(1 == fCurrentUseMPD || 2 == fCurrentUseMPD); | 
|  | log->configOption("multi_picture_draw", fUseMPDs[fCurrentUseMPD-1] ? "true" : "false"); | 
|  | } | 
|  | } | 
|  | if (0 == strcmp(fBenchType, "recording")) { | 
|  | log->metric("bytes", fSKPBytes); | 
|  | log->metric("ops",   fSKPOps); | 
|  | } | 
|  | } | 
|  |  | 
|  | private: | 
|  | enum SubsetType { | 
|  | kTopLeft_SubsetType     = 0, | 
|  | kTopRight_SubsetType    = 1, | 
|  | kMiddle_SubsetType      = 2, | 
|  | kBottomLeft_SubsetType  = 3, | 
|  | kBottomRight_SubsetType = 4, | 
|  | kTranslate_SubsetType   = 5, | 
|  | kZoom_SubsetType        = 6, | 
|  | kLast_SubsetType        = kZoom_SubsetType, | 
|  | kLastSingle_SubsetType  = kBottomRight_SubsetType, | 
|  | }; | 
|  |  | 
|  | const BenchRegistry* fBenches; | 
|  | const skiagm::GMRegistry* fGMs; | 
|  | SkIRect            fClip; | 
|  | SkTArray<SkScalar> fScales; | 
|  | SkTArray<SkString> fSKPs; | 
|  | SkTArray<bool>     fUseMPDs; | 
|  | SkTArray<SkString> fImages; | 
|  | SkTArray<SkColorType, true> fColorTypes; | 
|  | SkScalar           fZoomMax; | 
|  | double             fZoomPeriodMs; | 
|  |  | 
|  | double fSKPBytes, fSKPOps; | 
|  |  | 
|  | const char* fSourceType;  // What we're benching: bench, GM, SKP, ... | 
|  | const char* fBenchType;   // How we bench it: micro, recording, playback, ... | 
|  | int fCurrentRecording; | 
|  | int fCurrentScale; | 
|  | int fCurrentSKP; | 
|  | int fCurrentUseMPD; | 
|  | int fCurrentCodec; | 
|  | int fCurrentImage; | 
|  | int fCurrentSubsetImage; | 
|  | int fCurrentBRDImage; | 
|  | int fCurrentColorType; | 
|  | int fCurrentSubsetType; | 
|  | int fCurrentBRDStrategy; | 
|  | int fCurrentBRDSampleSize; | 
|  | int fCurrentAnimSKP; | 
|  | }; | 
|  |  | 
|  | int nanobench_main(); | 
|  | int nanobench_main() { | 
|  | SetupCrashHandler(); | 
|  | SkAutoGraphics ag; | 
|  | SkTaskGroup::Enabler enabled(FLAGS_threads); | 
|  |  | 
|  | #if SK_SUPPORT_GPU | 
|  | GrContextOptions grContextOpts; | 
|  | grContextOpts.fDrawPathToCompressedTexture = FLAGS_gpuCompressAlphaMasks; | 
|  | gGrFactory.reset(new GrContextFactory(grContextOpts)); | 
|  | #endif | 
|  |  | 
|  | if (FLAGS_veryVerbose) { | 
|  | FLAGS_verbose = true; | 
|  | } | 
|  |  | 
|  | if (kAutoTuneLoops != FLAGS_loops) { | 
|  | FLAGS_samples     = 1; | 
|  | FLAGS_gpuFrameLag = 0; | 
|  | } | 
|  |  | 
|  | if (!FLAGS_writePath.isEmpty()) { | 
|  | SkDebugf("Writing files to %s.\n", FLAGS_writePath[0]); | 
|  | if (!sk_mkdir(FLAGS_writePath[0])) { | 
|  | SkDebugf("Could not create %s. Files won't be written.\n", FLAGS_writePath[0]); | 
|  | FLAGS_writePath.set(0, nullptr); | 
|  | } | 
|  | } | 
|  |  | 
|  | SkAutoTDelete<ResultsWriter> log(new ResultsWriter); | 
|  | if (!FLAGS_outResultsFile.isEmpty()) { | 
|  | log.reset(new NanoJSONResultsWriter(FLAGS_outResultsFile[0])); | 
|  | } | 
|  |  | 
|  | if (1 == FLAGS_properties.count() % 2) { | 
|  | SkDebugf("ERROR: --properties must be passed with an even number of arguments.\n"); | 
|  | return 1; | 
|  | } | 
|  | for (int i = 1; i < FLAGS_properties.count(); i += 2) { | 
|  | log->property(FLAGS_properties[i-1], FLAGS_properties[i]); | 
|  | } | 
|  |  | 
|  | if (1 == FLAGS_key.count() % 2) { | 
|  | SkDebugf("ERROR: --key must be passed with an even number of arguments.\n"); | 
|  | return 1; | 
|  | } | 
|  | for (int i = 1; i < FLAGS_key.count(); i += 2) { | 
|  | log->key(FLAGS_key[i-1], FLAGS_key[i]); | 
|  | } | 
|  |  | 
|  | const double overhead = estimate_timer_overhead(); | 
|  | SkDebugf("Timer overhead: %s\n", HUMANIZE(overhead)); | 
|  |  | 
|  | SkTArray<double> samples; | 
|  |  | 
|  | if (kAutoTuneLoops != FLAGS_loops) { | 
|  | SkDebugf("Fixed number of loops; times would only be misleading so we won't print them.\n"); | 
|  | } else if (FLAGS_quiet) { | 
|  | SkDebugf("median\tbench\tconfig\n"); | 
|  | } else if (FLAGS_ms) { | 
|  | SkDebugf("curr/maxrss\tloops\tmin\tmedian\tmean\tmax\tstddev\tsamples\tconfig\tbench\n"); | 
|  | } else { | 
|  | SkDebugf("curr/maxrss\tloops\tmin\tmedian\tmean\tmax\tstddev\t%-*s\tconfig\tbench\n", | 
|  | FLAGS_samples, "samples"); | 
|  | } | 
|  |  | 
|  | SkTDArray<Config> configs; | 
|  | create_configs(&configs); | 
|  |  | 
|  | int runs = 0; | 
|  | BenchmarkStream benchStream; | 
|  | while (Benchmark* b = benchStream.next()) { | 
|  | SkAutoTDelete<Benchmark> bench(b); | 
|  | if (SkCommandLineFlags::ShouldSkip(FLAGS_match, bench->getUniqueName())) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | if (!configs.isEmpty()) { | 
|  | log->bench(bench->getUniqueName(), bench->getSize().fX, bench->getSize().fY); | 
|  | bench->delayedSetup(); | 
|  | } | 
|  | for (int i = 0; i < configs.count(); ++i) { | 
|  | Target* target = is_enabled(b, configs[i]); | 
|  | if (!target) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | // During HWUI output this canvas may be nullptr. | 
|  | SkCanvas* canvas = target->getCanvas(); | 
|  | const char* config = target->config.name; | 
|  |  | 
|  | target->setup(); | 
|  | bench->perCanvasPreDraw(canvas); | 
|  |  | 
|  | int maxFrameLag; | 
|  | int loops = target->needsFrameTiming(&maxFrameLag) | 
|  | ? setup_gpu_bench(target, bench.get(), maxFrameLag) | 
|  | : setup_cpu_bench(overhead, target, bench.get()); | 
|  |  | 
|  | if (FLAGS_ms) { | 
|  | samples.reset(); | 
|  | auto stop = now_ms() + FLAGS_ms; | 
|  | do { | 
|  | samples.push_back(time(loops, bench, target) / loops); | 
|  | } while (now_ms() < stop); | 
|  | } else { | 
|  | samples.reset(FLAGS_samples); | 
|  | for (int s = 0; s < FLAGS_samples; s++) { | 
|  | samples[s] = time(loops, bench, target) / loops; | 
|  | } | 
|  | } | 
|  |  | 
|  | bench->perCanvasPostDraw(canvas); | 
|  |  | 
|  | if (Benchmark::kNonRendering_Backend != target->config.backend && | 
|  | !FLAGS_writePath.isEmpty() && FLAGS_writePath[0]) { | 
|  | SkString pngFilename = SkOSPath::Join(FLAGS_writePath[0], config); | 
|  | pngFilename = SkOSPath::Join(pngFilename.c_str(), bench->getUniqueName()); | 
|  | pngFilename.append(".png"); | 
|  | write_canvas_png(target, pngFilename); | 
|  | } | 
|  |  | 
|  | if (kFailedLoops == loops) { | 
|  | // Can't be timed.  A warning note has already been printed. | 
|  | cleanup_run(target); | 
|  | continue; | 
|  | } | 
|  |  | 
|  | Stats stats(samples); | 
|  | log->config(config); | 
|  | log->configOption("name", bench->getName()); | 
|  | benchStream.fillCurrentOptions(log.get()); | 
|  | target->fillOptions(log.get()); | 
|  | log->metric("min_ms",    stats.min); | 
|  | if (runs++ % FLAGS_flushEvery == 0) { | 
|  | log->flush(); | 
|  | } | 
|  |  | 
|  | if (kAutoTuneLoops != FLAGS_loops) { | 
|  | if (configs.count() == 1) { | 
|  | config = ""; // Only print the config if we run the same bench on more than one. | 
|  | } | 
|  | SkDebugf("%4d/%-4dMB\t%s\t%s\n" | 
|  | , sk_tools::getCurrResidentSetSizeMB() | 
|  | , sk_tools::getMaxResidentSetSizeMB() | 
|  | , bench->getUniqueName() | 
|  | , config); | 
|  | } else if (FLAGS_quiet) { | 
|  | if (configs.count() == 1) { | 
|  | config = ""; // Only print the config if we run the same bench on more than one. | 
|  | } | 
|  | SkDebugf("%s\t%s\t%s\n", HUMANIZE(stats.median), bench->getUniqueName(), config); | 
|  | } else { | 
|  | const double stddev_percent = 100 * sqrt(stats.var) / stats.mean; | 
|  | SkDebugf("%4d/%-4dMB\t%d\t%s\t%s\t%s\t%s\t%.0f%%\t%s\t%s\t%s\n" | 
|  | , sk_tools::getCurrResidentSetSizeMB() | 
|  | , sk_tools::getMaxResidentSetSizeMB() | 
|  | , loops | 
|  | , HUMANIZE(stats.min) | 
|  | , HUMANIZE(stats.median) | 
|  | , HUMANIZE(stats.mean) | 
|  | , HUMANIZE(stats.max) | 
|  | , stddev_percent | 
|  | , FLAGS_ms ? to_string(samples.count()).c_str() : stats.plot.c_str() | 
|  | , config | 
|  | , bench->getUniqueName() | 
|  | ); | 
|  | } | 
|  | #if SK_SUPPORT_GPU | 
|  | if (FLAGS_gpuStats && | 
|  | Benchmark::kGPU_Backend == configs[i].backend) { | 
|  | gGrFactory->get(configs[i].ctxType)->printCacheStats(); | 
|  | gGrFactory->get(configs[i].ctxType)->printGpuStats(); | 
|  | } | 
|  | #endif | 
|  | if (FLAGS_verbose) { | 
|  | SkDebugf("Samples:  "); | 
|  | for (int i = 0; i < samples.count(); i++) { | 
|  | SkDebugf("%s  ", HUMANIZE(samples[i])); | 
|  | } | 
|  | SkDebugf("%s\n", bench->getUniqueName()); | 
|  | } | 
|  | cleanup_run(target); | 
|  | } | 
|  | } | 
|  |  | 
|  | log->bench("memory_usage", 0,0); | 
|  | log->config("meta"); | 
|  | log->metric("max_rss_mb", sk_tools::getMaxResidentSetSizeMB()); | 
|  |  | 
|  | #if SK_SUPPORT_GPU | 
|  | // Make sure we clean up the global GrContextFactory here, otherwise we might race with the | 
|  | // SkEventTracer destructor | 
|  | gGrFactory.reset(nullptr); | 
|  | #endif | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #if !defined SK_BUILD_FOR_IOS | 
|  | int main(int argc, char** argv) { | 
|  | SkCommandLineFlags::Parse(argc, argv); | 
|  | return nanobench_main(); | 
|  | } | 
|  | #endif |