/*
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* Copyright 2012 The Android Open Source Project
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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 "Benchmark.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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/**
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* This bench mark tests the use case where the user writes the a canvas
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* and then reads small chunks from it repeatedly. This can cause trouble
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* for the GPU as readbacks are very expensive.
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*/
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class ReadPixBench : public Benchmark {
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public:
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ReadPixBench() {}
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protected:
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const char* onGetName() override {
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return "readpix";
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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canvas->clear(SK_ColorBLACK);
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SkISize size = canvas->getBaseLayerSize();
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int offX = (size.width() - kWindowSize) / kNumStepsX;
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int offY = (size.height() - kWindowSize) / kNumStepsY;
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SkPaint paint;
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paint.setColor(SK_ColorBLUE);
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canvas->drawCircle(SkIntToScalar(size.width()/2),
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SkIntToScalar(size.height()/2),
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SkIntToScalar(size.width()/2),
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paint);
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SkBitmap bitmap;
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bitmap.allocPixels(SkImageInfo::MakeN32Premul(kWindowSize, kWindowSize));
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for (int i = 0; i < loops; i++) {
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for (int x = 0; x < kNumStepsX; ++x) {
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for (int y = 0; y < kNumStepsY; ++y) {
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canvas->readPixels(bitmap.info(), bitmap.getPixels(), bitmap.rowBytes(),
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x * offX, y * offY);
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}
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}
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}
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}
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private:
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static const int kNumStepsX = 30;
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static const int kNumStepsY = 30;
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static const int kWindowSize = 5;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH( return new ReadPixBench(); )
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////////////////////////////////////////////////////////////////////////////////
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#include "SkBitmap.h"
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#include "SkPixmapPriv.h"
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class PixmapOrientBench : public Benchmark {
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public:
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PixmapOrientBench() {}
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protected:
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void onDelayedSetup() override {
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const SkImageInfo info = SkImageInfo::MakeN32Premul(2048, 1024);
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fSrc.allocPixels(info);
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fSrc.eraseColor(SK_ColorBLACK);
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fDst.allocPixels(info.makeWH(info.height(), info.width()));
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}
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const char* onGetName() override {
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return "orient_pixmap";
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}
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bool isSuitableFor(Backend backend) override {
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return backend == kNonRendering_Backend;
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}
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void onDraw(int loops, SkCanvas*) override {
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SkPixmap src, dst;
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fSrc.peekPixels(&src);
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fDst.peekPixels(&dst);
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for (int i = 0; i < loops; ++i) {
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SkPixmapPriv::Orient(dst, src, kTopRight_SkEncodedOrigin);
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}
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}
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private:
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SkBitmap fSrc, fDst;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH( return new PixmapOrientBench(); )
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class GetAlphafBench : public Benchmark {
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SkString fName;
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SkColorType fCT;
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public:
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GetAlphafBench(SkColorType ct, const char label[]) : fCT(ct) {
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fName.printf("getalphaf_%s", label);
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}
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protected:
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void onDelayedSetup() override {
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fBM.allocPixels(SkImageInfo::Make(1024, 1024, fCT, kPremul_SkAlphaType));
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fBM.eraseColor(0x88112233);
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}
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const char* onGetName() override {
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return fName.c_str();
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}
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bool isSuitableFor(Backend backend) override {
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return backend == kNonRendering_Backend;
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}
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void onDraw(int loops, SkCanvas*) override {
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for (int i = 0; i < loops; ++i) {
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for (int y = 0; y < fBM.height(); ++y) {
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for (int x = 0; x < fBM.width(); ++x) {
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fBM.getAlphaf(x, y);
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}
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}
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}
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}
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private:
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SkBitmap fBM;
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typedef Benchmark INHERITED;
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};
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DEF_BENCH( return new GetAlphafBench(kN32_SkColorType, "rgba"); )
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DEF_BENCH( return new GetAlphafBench(kRGB_888x_SkColorType, "rgbx"); )
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DEF_BENCH( return new GetAlphafBench(kRGBA_F16_SkColorType, "f16"); )
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DEF_BENCH( return new GetAlphafBench(kRGBA_F32_SkColorType, "f32"); )
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