f4bda743ff
The semantics of `vector::reserve` and `SkTArray::reserve` were not the same. SkTArray::reserve takes a delta over the current array size, whereas vector takes a total array size. This could lead to subtle errors with over- or under-reservation, hurting performance. This CL renames `SkTArray::reserve` to `SkTArray::reserve_back` to give the SkTArray behavior a distinct (hopefully easily understandable) name, leaving its functionality as-is. Change-Id: Icbd3114bb317fd5f307f393c02ae6fb6f83764e9 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/326956 Commit-Queue: John Stiles <johnstiles@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* Copyright 2020 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/SkCanvas.h"
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#include "include/gpu/GrDirectContext.h"
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class CreateBackendTextureBench : public Benchmark {
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private:
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SkString fName;
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SkTArray<GrBackendTexture> fBackendTextures;
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GrMipmapped fMipmapped;
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public:
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CreateBackendTextureBench(GrMipmapped mipMapped) : fMipmapped(mipMapped) {
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fName.printf("create_backend_texture%s", mipMapped == GrMipmapped::kYes ? "_mipped" : "");
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}
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private:
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bool isSuitableFor(Backend backend) override { return kGPU_Backend == backend; }
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const char* onGetName() override { return fName.c_str(); }
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void onDraw(int loops, SkCanvas* canvas) override {
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auto context = canvas->recordingContext()->asDirectContext();
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fBackendTextures.reserve_back(loops);
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static const int kSize = 16;
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for (int i = 0; i < loops; ++i) {
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fBackendTextures.push_back(context->createBackendTexture(
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kSize, kSize, kRGBA_8888_SkColorType, SkColors::kRed, fMipmapped,
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GrRenderable::kNo, GrProtected::kNo));
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}
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}
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void onPerCanvasPostDraw(SkCanvas* canvas) override {
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auto context = canvas->recordingContext()->asDirectContext();
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context->flush();
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context->submit(true);
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for (int i = 0; i < fBackendTextures.count(); ++i) {
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if (fBackendTextures[i].isValid()) {
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context->deleteBackendTexture(fBackendTextures[i]);
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}
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}
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fBackendTextures.reset();
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}
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};
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DEF_BENCH(return new CreateBackendTextureBench(GrMipmapped::kNo);)
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DEF_BENCH(return new CreateBackendTextureBench(GrMipmapped::kYes);)
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