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587 lines
21 KiB
587 lines
21 KiB
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "DDLPromiseImageHelper.h"
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#include "DDLTileHelper.h"
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#include "GpuTimer.h"
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#include "GrCaps.h"
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#include "GrContextFactory.h"
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#include "GrContextPriv.h"
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#include "SkCanvas.h"
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#include "SkCommonFlags.h"
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#include "SkCommonFlagsGpu.h"
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#include "SkDeferredDisplayList.h"
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#include "SkGraphics.h"
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#include "SkGr.h"
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#include "SkOSFile.h"
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#include "SkOSPath.h"
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#include "SkPerlinNoiseShader.h"
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#include "SkPicture.h"
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#include "SkPictureRecorder.h"
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#include "SkStream.h"
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#include "SkSurface.h"
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#include "SkSurfaceProps.h"
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#include "SkTaskGroup.h"
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#include "flags/SkCommandLineFlags.h"
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#include "flags/SkCommonFlagsConfig.h"
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#include "sk_tool_utils.h"
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#ifdef SK_XML
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#include "SkDOM.h"
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#include "../experimental/svg/model/SkSVGDOM.h"
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#endif
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#include <stdlib.h>
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#include <algorithm>
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#include <array>
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#include <chrono>
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#include <cmath>
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#include <vector>
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/**
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* This is a minimalist program whose sole purpose is to open a .skp or .svg file, benchmark it on a
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* single config, and exit. It is intended to be used through skpbench.py rather than invoked
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* directly. Limiting the entire process to a single config/skp pair helps to keep the results
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* repeatable.
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*
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* No tiling, looping, or other fanciness is used; it just draws the skp whole into a size-matched
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* render target and syncs the GPU after each draw.
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*
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* Currently, only GPU configs are supported.
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*/
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DEFINE_bool(ddl, false, "record the skp into DDLs before rendering");
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DEFINE_int32(ddlNumAdditionalThreads, 0, "number of DDL recording threads in addition to main one");
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DEFINE_int32(ddlTilingWidthHeight, 0, "number of tiles along one edge when in DDL mode");
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DEFINE_bool(ddlRecordTime, false, "report just the cpu time spent recording DDLs");
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DEFINE_int32(duration, 5000, "number of milliseconds to run the benchmark");
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DEFINE_int32(sampleMs, 50, "minimum duration of a sample");
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DEFINE_bool(gpuClock, false, "time on the gpu clock (gpu work only)");
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DEFINE_bool(fps, false, "use fps instead of ms");
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DEFINE_string(src, "", "path to a single .skp or .svg file, or 'warmup' for a builtin warmup run");
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DEFINE_string(png, "", "if set, save a .png proof to disk at this file location");
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DEFINE_int32(verbosity, 4, "level of verbosity (0=none to 5=debug)");
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DEFINE_bool(suppressHeader, false, "don't print a header row before the results");
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static const char* header =
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" accum median max min stddev samples sample_ms clock metric config bench";
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static const char* resultFormat =
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"%8.4g %8.4g %8.4g %8.4g %6.3g%% %7li %9i %-5s %-6s %-9s %s";
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static constexpr int kNumFlushesToPrimeCache = 3;
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struct Sample {
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using duration = std::chrono::nanoseconds;
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Sample() : fFrames(0), fDuration(0) {}
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double seconds() const { return std::chrono::duration<double>(fDuration).count(); }
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double ms() const { return std::chrono::duration<double, std::milli>(fDuration).count(); }
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double value() const { return FLAGS_fps ? fFrames / this->seconds() : this->ms() / fFrames; }
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static const char* metric() { return FLAGS_fps ? "fps" : "ms"; }
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int fFrames;
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duration fDuration;
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};
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class GpuSync {
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public:
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GpuSync(const sk_gpu_test::FenceSync* fenceSync);
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~GpuSync();
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void syncToPreviousFrame();
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private:
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void updateFence();
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const sk_gpu_test::FenceSync* const fFenceSync;
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sk_gpu_test::PlatformFence fFence;
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};
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enum class ExitErr {
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kOk = 0,
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kUsage = 64,
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kData = 65,
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kUnavailable = 69,
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kIO = 74,
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kSoftware = 70
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};
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static void draw_skp_and_flush(SkCanvas*, const SkPicture*);
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static sk_sp<SkPicture> create_warmup_skp();
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static sk_sp<SkPicture> create_skp_from_svg(SkStream*, const char* filename);
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static bool mkdir_p(const SkString& name);
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static SkString join(const SkCommandLineFlags::StringArray&);
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static void exitf(ExitErr, const char* format, ...);
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static void ddl_sample(GrContext* context, DDLTileHelper* tiles, GpuSync* gpuSync, Sample* sample,
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std::chrono::high_resolution_clock::time_point* startStopTime) {
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using clock = std::chrono::high_resolution_clock;
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clock::time_point start = *startStopTime;
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tiles->createDDLsInParallel();
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if (!FLAGS_ddlRecordTime) {
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tiles->drawAllTilesAndFlush(context, true);
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if (gpuSync) {
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gpuSync->syncToPreviousFrame();
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}
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}
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*startStopTime = clock::now();
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tiles->resetAllTiles();
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if (sample) {
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SkASSERT(gpuSync);
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sample->fDuration += *startStopTime - start;
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sample->fFrames++;
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}
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}
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static void run_ddl_benchmark(const sk_gpu_test::FenceSync* fenceSync,
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GrContext* context, SkCanvas* finalCanvas,
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SkPicture* inputPicture, std::vector<Sample>* samples) {
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using clock = std::chrono::high_resolution_clock;
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const Sample::duration sampleDuration = std::chrono::milliseconds(FLAGS_sampleMs);
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const clock::duration benchDuration = std::chrono::milliseconds(FLAGS_duration);
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SkIRect viewport = finalCanvas->imageInfo().bounds();
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DDLPromiseImageHelper promiseImageHelper;
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sk_sp<SkData> compressedPictureData = promiseImageHelper.deflateSKP(inputPicture);
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if (!compressedPictureData) {
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exitf(ExitErr::kUnavailable, "DDL: conversion of skp failed");
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}
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promiseImageHelper.uploadAllToGPU(context);
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DDLTileHelper tiles(finalCanvas, viewport, FLAGS_ddlTilingWidthHeight);
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tiles.createSKPPerTile(compressedPictureData.get(), promiseImageHelper);
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SkTaskGroup::Enabler enabled(FLAGS_ddlNumAdditionalThreads);
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clock::time_point startStopTime = clock::now();
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ddl_sample(context, &tiles, nullptr, nullptr, &startStopTime);
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GpuSync gpuSync(fenceSync);
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ddl_sample(context, &tiles, &gpuSync, nullptr, &startStopTime);
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clock::duration cumulativeDuration = std::chrono::milliseconds(0);
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do {
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samples->emplace_back();
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Sample& sample = samples->back();
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do {
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ddl_sample(context, &tiles, &gpuSync, &sample, &startStopTime);
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} while (sample.fDuration < sampleDuration);
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cumulativeDuration += sample.fDuration;
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} while (cumulativeDuration < benchDuration || 0 == samples->size() % 2);
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if (!FLAGS_png.isEmpty()) {
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// The user wants to see the final result
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tiles.composeAllTiles(finalCanvas);
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}
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}
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static void run_benchmark(const sk_gpu_test::FenceSync* fenceSync, SkCanvas* canvas,
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const SkPicture* skp, std::vector<Sample>* samples) {
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using clock = std::chrono::high_resolution_clock;
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const Sample::duration sampleDuration = std::chrono::milliseconds(FLAGS_sampleMs);
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const clock::duration benchDuration = std::chrono::milliseconds(FLAGS_duration);
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draw_skp_and_flush(canvas, skp); // draw 1
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GpuSync gpuSync(fenceSync);
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for (int i = 1; i < kNumFlushesToPrimeCache; ++i) {
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draw_skp_and_flush(canvas, skp); // draw N
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// Waits for draw N-1 to finish (after draw N's cpu work is done).
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gpuSync.syncToPreviousFrame();
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}
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clock::time_point now = clock::now();
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const clock::time_point endTime = now + benchDuration;
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do {
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clock::time_point sampleStart = now;
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samples->emplace_back();
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Sample& sample = samples->back();
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do {
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draw_skp_and_flush(canvas, skp);
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gpuSync.syncToPreviousFrame();
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now = clock::now();
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sample.fDuration = now - sampleStart;
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++sample.fFrames;
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} while (sample.fDuration < sampleDuration);
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} while (now < endTime || 0 == samples->size() % 2);
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}
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static void run_gpu_time_benchmark(sk_gpu_test::GpuTimer* gpuTimer,
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const sk_gpu_test::FenceSync* fenceSync, SkCanvas* canvas,
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const SkPicture* skp, std::vector<Sample>* samples) {
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using sk_gpu_test::PlatformTimerQuery;
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using clock = std::chrono::steady_clock;
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const clock::duration sampleDuration = std::chrono::milliseconds(FLAGS_sampleMs);
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const clock::duration benchDuration = std::chrono::milliseconds(FLAGS_duration);
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if (!gpuTimer->disjointSupport()) {
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fprintf(stderr, "WARNING: GPU timer cannot detect disjoint operations; "
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"results may be unreliable\n");
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}
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draw_skp_and_flush(canvas, skp);
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GpuSync gpuSync(fenceSync);
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PlatformTimerQuery previousTime = 0;
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for (int i = 1; i < kNumFlushesToPrimeCache; ++i) {
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gpuTimer->queueStart();
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draw_skp_and_flush(canvas, skp);
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previousTime = gpuTimer->queueStop();
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gpuSync.syncToPreviousFrame();
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}
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clock::time_point now = clock::now();
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const clock::time_point endTime = now + benchDuration;
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do {
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const clock::time_point sampleEndTime = now + sampleDuration;
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samples->emplace_back();
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Sample& sample = samples->back();
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do {
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gpuTimer->queueStart();
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draw_skp_and_flush(canvas, skp);
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PlatformTimerQuery time = gpuTimer->queueStop();
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gpuSync.syncToPreviousFrame();
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switch (gpuTimer->checkQueryStatus(previousTime)) {
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using QueryStatus = sk_gpu_test::GpuTimer::QueryStatus;
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case QueryStatus::kInvalid:
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exitf(ExitErr::kUnavailable, "GPU timer failed");
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case QueryStatus::kPending:
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exitf(ExitErr::kUnavailable, "timer query still not ready after fence sync");
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case QueryStatus::kDisjoint:
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if (FLAGS_verbosity >= 4) {
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fprintf(stderr, "discarding timer query due to disjoint operations.\n");
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}
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break;
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case QueryStatus::kAccurate:
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sample.fDuration += gpuTimer->getTimeElapsed(previousTime);
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++sample.fFrames;
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break;
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}
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gpuTimer->deleteQuery(previousTime);
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previousTime = time;
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now = clock::now();
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} while (now < sampleEndTime || 0 == sample.fFrames);
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} while (now < endTime || 0 == samples->size() % 2);
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gpuTimer->deleteQuery(previousTime);
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}
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void print_result(const std::vector<Sample>& samples, const char* config, const char* bench) {
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if (0 == (samples.size() % 2)) {
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exitf(ExitErr::kSoftware, "attempted to gather stats on even number of samples");
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}
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Sample accum = Sample();
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std::vector<double> values;
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values.reserve(samples.size());
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for (const Sample& sample : samples) {
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accum.fFrames += sample.fFrames;
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accum.fDuration += sample.fDuration;
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values.push_back(sample.value());
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}
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std::sort(values.begin(), values.end());
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const double accumValue = accum.value();
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double variance = 0;
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for (double value : values) {
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const double delta = value - accumValue;
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variance += delta * delta;
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}
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variance /= values.size();
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// Technically, this is the relative standard deviation.
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const double stddev = 100/*%*/ * sqrt(variance) / accumValue;
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printf(resultFormat, accumValue, values[values.size() / 2], values.back(), values.front(),
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stddev, values.size(), FLAGS_sampleMs, FLAGS_gpuClock ? "gpu" : "cpu", Sample::metric(),
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config, bench);
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printf("\n");
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fflush(stdout);
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}
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int main(int argc, char** argv) {
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SkCommandLineFlags::SetUsage("Use skpbench.py instead. "
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"You usually don't want to use this program directly.");
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SkCommandLineFlags::Parse(argc, argv);
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if (!FLAGS_suppressHeader) {
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printf("%s\n", header);
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}
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if (FLAGS_duration <= 0) {
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exit(0); // This can be used to print the header and quit.
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}
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// Parse the config.
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const SkCommandLineConfigGpu* config = nullptr; // Initialize for spurious warning.
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SkCommandLineConfigArray configs;
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ParseConfigs(FLAGS_config, &configs);
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if (configs.count() != 1 || !(config = configs[0]->asConfigGpu())) {
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exitf(ExitErr::kUsage, "invalid config '%s': must specify one (and only one) GPU config",
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join(FLAGS_config).c_str());
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}
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// Parse the skp.
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if (FLAGS_src.count() != 1) {
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exitf(ExitErr::kUsage,
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"invalid input '%s': must specify a single .skp or .svg file, or 'warmup'",
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join(FLAGS_src).c_str());
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}
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SkGraphics::Init();
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sk_sp<SkPicture> skp;
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SkString srcname;
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if (0 == strcmp(FLAGS_src[0], "warmup")) {
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skp = create_warmup_skp();
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srcname = "warmup";
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} else {
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SkString srcfile(FLAGS_src[0]);
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std::unique_ptr<SkStream> srcstream(SkStream::MakeFromFile(srcfile.c_str()));
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if (!srcstream) {
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exitf(ExitErr::kIO, "failed to open file %s", srcfile.c_str());
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}
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if (srcfile.endsWith(".svg")) {
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skp = create_skp_from_svg(srcstream.get(), srcfile.c_str());
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} else {
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skp = SkPicture::MakeFromStream(srcstream.get());
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}
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if (!skp) {
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exitf(ExitErr::kData, "failed to parse file %s", srcfile.c_str());
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}
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srcname = SkOSPath::Basename(srcfile.c_str());
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}
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int width = SkTMin(SkScalarCeilToInt(skp->cullRect().width()), 2048),
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height = SkTMin(SkScalarCeilToInt(skp->cullRect().height()), 2048);
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if (FLAGS_verbosity >= 3 &&
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(width != skp->cullRect().width() || height != skp->cullRect().height())) {
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fprintf(stderr, "%s is too large (%ix%i), cropping to %ix%i.\n",
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srcname.c_str(), SkScalarCeilToInt(skp->cullRect().width()),
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SkScalarCeilToInt(skp->cullRect().height()), width, height);
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}
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if (config->getSurfType() != SkCommandLineConfigGpu::SurfType::kDefault) {
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exitf(ExitErr::kUnavailable, "This tool only supports the default surface type. (%s)",
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config->getTag().c_str());
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}
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// Create a context.
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GrContextOptions ctxOptions;
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SetCtxOptionsFromCommonFlags(&ctxOptions);
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sk_gpu_test::GrContextFactory factory(ctxOptions);
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sk_gpu_test::ContextInfo ctxInfo =
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factory.getContextInfo(config->getContextType(), config->getContextOverrides());
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GrContext* ctx = ctxInfo.grContext();
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if (!ctx) {
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exitf(ExitErr::kUnavailable, "failed to create context for config %s",
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config->getTag().c_str());
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}
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if (ctx->maxRenderTargetSize() < SkTMax(width, height)) {
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exitf(ExitErr::kUnavailable, "render target size %ix%i not supported by platform (max: %i)",
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width, height, ctx->maxRenderTargetSize());
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}
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GrPixelConfig grPixConfig = SkColorType2GrPixelConfig(config->getColorType());
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if (kUnknown_GrPixelConfig == grPixConfig) {
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exitf(ExitErr::kUnavailable, "failed to get GrPixelConfig from SkColorType: %d",
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config->getColorType());
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}
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int supportedSampleCount = ctx->contextPriv().caps()->getRenderTargetSampleCount(
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config->getSamples(), grPixConfig);
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if (supportedSampleCount != config->getSamples()) {
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exitf(ExitErr::kUnavailable, "sample count %i not supported by platform",
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config->getSamples());
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}
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sk_gpu_test::TestContext* testCtx = ctxInfo.testContext();
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if (!testCtx) {
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exitf(ExitErr::kSoftware, "testContext is null");
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}
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if (!testCtx->fenceSyncSupport()) {
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exitf(ExitErr::kUnavailable, "GPU does not support fence sync");
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}
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// Create a render target.
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SkImageInfo info =
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SkImageInfo::Make(width, height, config->getColorType(), config->getAlphaType(),
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sk_ref_sp(config->getColorSpace()));
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uint32_t flags = config->getUseDIText() ? SkSurfaceProps::kUseDeviceIndependentFonts_Flag : 0;
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SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
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sk_sp<SkSurface> surface =
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SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info, config->getSamples(), &props);
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if (!surface) {
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exitf(ExitErr::kUnavailable, "failed to create %ix%i render target for config %s",
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width, height, config->getTag().c_str());
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}
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// Run the benchmark.
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std::vector<Sample> samples;
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if (FLAGS_sampleMs > 0) {
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// +1 because we might take one more sample in order to have an odd number.
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samples.reserve(1 + (FLAGS_duration + FLAGS_sampleMs - 1) / FLAGS_sampleMs);
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} else {
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samples.reserve(2 * FLAGS_duration);
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}
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SkCanvas* canvas = surface->getCanvas();
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canvas->translate(-skp->cullRect().x(), -skp->cullRect().y());
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if (!FLAGS_gpuClock) {
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if (FLAGS_ddl) {
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run_ddl_benchmark(testCtx->fenceSync(), ctx, canvas, skp.get(), &samples);
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} else {
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run_benchmark(testCtx->fenceSync(), canvas, skp.get(), &samples);
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}
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} else {
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if (FLAGS_ddl) {
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exitf(ExitErr::kUnavailable, "DDL: GPU-only timing not supported");
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}
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if (!testCtx->gpuTimingSupport()) {
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exitf(ExitErr::kUnavailable, "GPU does not support timing");
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}
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run_gpu_time_benchmark(testCtx->gpuTimer(), testCtx->fenceSync(), canvas, skp.get(),
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&samples);
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}
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print_result(samples, config->getTag().c_str(), srcname.c_str());
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// Save a proof (if one was requested).
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if (!FLAGS_png.isEmpty()) {
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SkBitmap bmp;
|
|
bmp.allocPixels(info);
|
|
if (!surface->getCanvas()->readPixels(bmp, 0, 0)) {
|
|
exitf(ExitErr::kUnavailable, "failed to read canvas pixels for png");
|
|
}
|
|
if (!mkdir_p(SkOSPath::Dirname(FLAGS_png[0]))) {
|
|
exitf(ExitErr::kIO, "failed to create directory for png \"%s\"", FLAGS_png[0]);
|
|
}
|
|
if (!sk_tool_utils::EncodeImageToFile(FLAGS_png[0], bmp, SkEncodedImageFormat::kPNG, 100)) {
|
|
exitf(ExitErr::kIO, "failed to save png to \"%s\"", FLAGS_png[0]);
|
|
}
|
|
}
|
|
|
|
exit(0);
|
|
}
|
|
|
|
static void draw_skp_and_flush(SkCanvas* canvas, const SkPicture* skp) {
|
|
canvas->drawPicture(skp);
|
|
canvas->flush();
|
|
}
|
|
|
|
static sk_sp<SkPicture> create_warmup_skp() {
|
|
static constexpr SkRect bounds{0, 0, 500, 500};
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recording = recorder.beginRecording(bounds);
|
|
|
|
recording->clear(SK_ColorWHITE);
|
|
|
|
SkPaint stroke;
|
|
stroke.setStyle(SkPaint::kStroke_Style);
|
|
stroke.setStrokeWidth(2);
|
|
|
|
// Use a big path to (theoretically) warmup the CPU.
|
|
SkPath bigPath;
|
|
sk_tool_utils::make_big_path(bigPath);
|
|
recording->drawPath(bigPath, stroke);
|
|
|
|
// Use a perlin shader to warmup the GPU.
|
|
SkPaint perlin;
|
|
perlin.setShader(SkPerlinNoiseShader::MakeTurbulence(0.1f, 0.1f, 1, 0, nullptr));
|
|
recording->drawRect(bounds, perlin);
|
|
|
|
return recorder.finishRecordingAsPicture();
|
|
}
|
|
|
|
static sk_sp<SkPicture> create_skp_from_svg(SkStream* stream, const char* filename) {
|
|
#ifdef SK_XML
|
|
SkDOM xml;
|
|
if (!xml.build(*stream)) {
|
|
exitf(ExitErr::kData, "failed to parse xml in file %s", filename);
|
|
}
|
|
sk_sp<SkSVGDOM> svg = SkSVGDOM::MakeFromDOM(xml);
|
|
if (!svg) {
|
|
exitf(ExitErr::kData, "failed to build svg dom from file %s", filename);
|
|
}
|
|
|
|
static constexpr SkRect bounds{0, 0, 1200, 1200};
|
|
SkPictureRecorder recorder;
|
|
SkCanvas* recording = recorder.beginRecording(bounds);
|
|
|
|
svg->setContainerSize(SkSize::Make(recording->getBaseLayerSize()));
|
|
svg->render(recording);
|
|
|
|
return recorder.finishRecordingAsPicture();
|
|
#endif
|
|
exitf(ExitErr::kData, "SK_XML is disabled; cannot open svg file %s", filename);
|
|
return nullptr;
|
|
}
|
|
|
|
bool mkdir_p(const SkString& dirname) {
|
|
if (dirname.isEmpty()) {
|
|
return true;
|
|
}
|
|
return mkdir_p(SkOSPath::Dirname(dirname.c_str())) && sk_mkdir(dirname.c_str());
|
|
}
|
|
|
|
static SkString join(const SkCommandLineFlags::StringArray& stringArray) {
|
|
SkString joined;
|
|
for (int i = 0; i < stringArray.count(); ++i) {
|
|
joined.appendf(i ? " %s" : "%s", stringArray[i]);
|
|
}
|
|
return joined;
|
|
}
|
|
|
|
static void exitf(ExitErr err, const char* format, ...) {
|
|
fprintf(stderr, ExitErr::kSoftware == err ? "INTERNAL ERROR: " : "ERROR: ");
|
|
va_list args;
|
|
va_start(args, format);
|
|
vfprintf(stderr, format, args);
|
|
va_end(args);
|
|
fprintf(stderr, ExitErr::kSoftware == err ? "; this should never happen.\n": ".\n");
|
|
exit((int)err);
|
|
}
|
|
|
|
GpuSync::GpuSync(const sk_gpu_test::FenceSync* fenceSync)
|
|
: fFenceSync(fenceSync) {
|
|
this->updateFence();
|
|
}
|
|
|
|
GpuSync::~GpuSync() {
|
|
fFenceSync->deleteFence(fFence);
|
|
}
|
|
|
|
void GpuSync::syncToPreviousFrame() {
|
|
if (sk_gpu_test::kInvalidFence == fFence) {
|
|
exitf(ExitErr::kSoftware, "attempted to sync with invalid fence");
|
|
}
|
|
if (!fFenceSync->waitFence(fFence)) {
|
|
exitf(ExitErr::kUnavailable, "failed to wait for fence");
|
|
}
|
|
fFenceSync->deleteFence(fFence);
|
|
this->updateFence();
|
|
}
|
|
|
|
void GpuSync::updateFence() {
|
|
fFence = fFenceSync->insertFence();
|
|
if (sk_gpu_test::kInvalidFence == fFence) {
|
|
exitf(ExitErr::kUnavailable, "failed to insert fence");
|
|
}
|
|
}
|