89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
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/*
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* Copyright 2019 Google LLC
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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 "bench/Benchmark.h"
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#include "include/core/SkDeferredDisplayListRecorder.h"
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#include "include/core/SkSurfaceCharacterization.h"
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static SkSurfaceCharacterization create_characterization(GrContext* context) {
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size_t maxResourceBytes = context->getResourceCacheLimit();
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if (!context->colorTypeSupportedAsSurface(kRGBA_8888_SkColorType)) {
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return SkSurfaceCharacterization();
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}
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SkImageInfo ii = SkImageInfo::Make(32, 32, kRGBA_8888_SkColorType,
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kPremul_SkAlphaType, nullptr);
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GrBackendFormat backendFormat = context->defaultBackendFormat(kRGBA_8888_SkColorType,
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GrRenderable::kYes);
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if (!backendFormat.isValid()) {
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return SkSurfaceCharacterization();
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}
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SkSurfaceProps props(0x0, kUnknown_SkPixelGeometry);
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SkSurfaceCharacterization c = context->threadSafeProxy()->createCharacterization(
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maxResourceBytes, ii, backendFormat, 1,
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kTopLeft_GrSurfaceOrigin, props, false);
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return c;
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}
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// This benchmark tries to simulate how Viz is using SkDDLRecorders.
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// For each config it will create a single DDLRecorder which it reuses for all the runs
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// For each run it creates a DDL and stores it for later deletion.
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class DDLRecorderBench : public Benchmark {
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public:
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DDLRecorderBench() { }
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protected:
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const char* onGetName() override { return "DDLRecorder"; }
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void onDraw(int loops, SkCanvas* origCanvas) override {
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if (!fRecorder) {
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return;
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}
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SkASSERT(!fDDLs.size());
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fDDLs.reserve(loops);
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for (int i = 0; i < loops; ++i) {
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SkCanvas* recordingCanvas = fRecorder->getCanvas();
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recordingCanvas->drawRect(SkRect::MakeWH(32, 32), SkPaint());
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fDDLs.emplace_back(fRecorder->detach());
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}
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}
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private:
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// We create one DDLRecorder for all the timing runs and just keep reusing it
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void onPerCanvasPreDraw(SkCanvas* origCanvas) override {
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GrContext* context = origCanvas->getGrContext();
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if (!context) {
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return;
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}
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SkSurfaceCharacterization c = create_characterization(context);
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fRecorder.reset(new SkDeferredDisplayListRecorder(c));
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}
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// We defer the clean up of the DDLs so it is done outside of the timing loop
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void onPostDraw(SkCanvas*) override {
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fDDLs.clear();
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}
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std::unique_ptr<SkDeferredDisplayListRecorder> fRecorder = nullptr;
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std::vector<std::unique_ptr<SkDeferredDisplayList>> fDDLs;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH(return new DDLRecorderBench();)
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