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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#if SK_SUPPORT_GPU
#include "GrContextOptions.h"
#include "SkCanvas.h"
#include "SkImage.h"
#include "SkRandom.h"
#include "SkSurface.h"
class MultitextureImages : public Benchmark {
public:
MultitextureImages(int imageSize, int dstRectSize, bool disableMultitexturing, bool aa)
: fImageSize(imageSize)
, fDstRectSize(dstRectSize)
, fDisableMultitexturing(disableMultitexturing)
, fAA(aa) {
fName.appendf("multitexture_images_%dx%d_image_%dx%d_rect", imageSize, imageSize,
dstRectSize, dstRectSize);
if (aa) {
fName.append("_aa");
}
if (disableMultitexturing) {
fName.append("_disable_multitexturing");
}
}
bool isSuitableFor(Backend backend) override { return kGPU_Backend == backend; }
protected:
const char* onGetName() override { return fName.c_str(); }
void onPerCanvasPreDraw(SkCanvas* canvas) override {
auto ii = SkImageInfo::Make(fImageSize, fImageSize, kRGBA_8888_SkColorType,
kPremul_SkAlphaType, nullptr);
SkRandom random;
for (int i = 0; i < kNumImages; ++i) {
auto surf = canvas->makeSurface(ii);
SkColor color = random.nextU();
surf->getCanvas()->clear(color);
SkPaint paint;
paint.setColor(~color);
paint.setBlendMode(SkBlendMode::kSrc);
surf->getCanvas()->drawRect(SkRect::MakeLTRB(3, 3, fImageSize - 3, fImageSize - 3),
paint);
fImages[i] = surf->makeImageSnapshot();
}
}
void onPerCanvasPostDraw(SkCanvas*) override {
for (int i = 0; i < kNumImages; ++i) {
fImages[i].reset();
}
}
void onDraw(int loops, SkCanvas* canvas) override {
SkRect rect = SkRect::MakeWH(fDstRectSize, fDstRectSize);
SkPaint paint;
paint.setAlpha(0x40);
paint.setFilterQuality(kLow_SkFilterQuality);
paint.setAntiAlias(fAA);
for (int i = 0; i < loops; i++) {
for (int j = 0; j < kNumImages; ++j) {
SkVector translate = this->translation(i * kNumImages + j);
canvas->drawImageRect(fImages[j].get(), rect.makeOffset(translate.fX, translate.fY),
&paint);
}
// Prevent any batching except without multitexturing since we're trying to measure
// drawing distinct images and just repeating images here to increase the workload for
// timing reasons.
canvas->flush();
}
}
void modifyGrContextOptions(GrContextOptions* options) override {
options->fDisableImageMultitexturing = fDisableMultitexturing;
}
private:
SkIPoint onGetSize() override {
// The rows and columns are spaced by kTranslate, but the images may overlap if they are
// larger than kTranslate and extend beyond the last row/column.
return SkIPoint::Make(kTranslate * (kNumColumns - 1) + fDstRectSize,
kTranslate * (kNumRows - 1) + fDstRectSize);
}
SkVector translation(int i) const {
SkVector offset;
// Fractional offsets to ensure we can't ignore antialiasing.
offset.fX = i % kNumColumns * kTranslate + 0.1f;
offset.fY = (i / kNumColumns) % kNumRows * kTranslate + 0.1f;
return offset;
}
static const int kTranslate = 200;
static const int kNumColumns = 5;
static const int kNumRows = 5;
static const int kNumImages = 8;
sk_sp<SkImage> fImages[kNumImages];
SkString fName;
int fImageSize;
int fDstRectSize;
bool fDisableMultitexturing;
bool fAA;
typedef Benchmark INHERITED;
};
// Non-AA
DEF_BENCH(return new MultitextureImages(128, 32, false, false));
DEF_BENCH(return new MultitextureImages(128, 32, true, false));
DEF_BENCH(return new MultitextureImages(128, 128, false, false));
DEF_BENCH(return new MultitextureImages(128, 128, true, false));
DEF_BENCH(return new MultitextureImages(128, 256, false, false));
DEF_BENCH(return new MultitextureImages(128, 256, true, false));
DEF_BENCH(return new MultitextureImages(512, 32, false, false));
DEF_BENCH(return new MultitextureImages(512, 32, true, false));
DEF_BENCH(return new MultitextureImages(512, 128, false, false));
DEF_BENCH(return new MultitextureImages(512, 128, true, false));
DEF_BENCH(return new MultitextureImages(512, 256, false, false));
DEF_BENCH(return new MultitextureImages(512, 256, true, false));
DEF_BENCH(return new MultitextureImages(512, 512, false, false));
DEF_BENCH(return new MultitextureImages(512, 512, true, false));
// AA
DEF_BENCH(return new MultitextureImages(512, 512, true, true));
DEF_BENCH(return new MultitextureImages(512, 512, false, true));
DEF_BENCH(return new MultitextureImages(128, 32, true, true));
DEF_BENCH(return new MultitextureImages(128, 32, false, true));
#endif
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