skia2/bench/FilteringBench.cpp
Mike Reed a03f8bf837 other ways to organize samplingoptions?
do not land

Change-Id: I5fa7b2a0d1eb7e893d9b333f850a2f515d7ce065
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/336956
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2020-11-21 02:00:26 +00:00

64 lines
2.0 KiB
C++

/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "bench/Benchmark.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkPaint.h"
#include "include/core/SkShader.h"
#include "include/core/SkString.h"
#include "tools/Resources.h"
class FilteringBench : public Benchmark {
public:
FilteringBench(SkFilterMode fm, SkMipmapMode mm) : fSampling(fm, mm) {
fName.printf("samplingoptions_filter_%d_mipmap_%d", (int)fm, (int)mm);
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDelayedSetup() override {
auto img = GetResourceAsImage("images/ship.png");
// need to force raster since lazy doesn't support filteroptions yet
img = img->makeRasterImage();
fRect = SkRect::MakeIWH(img->width(), img->height());
fShader = img->makeShader(SkTileMode::kClamp, SkTileMode::kClamp, fSampling);
}
void onDraw(int loops, SkCanvas* canvas) override {
// scale so we will trigger lerping between levels if we mipmapping
canvas->scale(0.75f, 0.75f);
SkPaint paint;
paint.setShader(fShader);
for (int i = 0; i < loops; ++i) {
for (int j = 0; j < 10; ++j) {
canvas->drawRect(fRect, paint);
}
}
}
private:
SkString fName;
SkRect fRect;
sk_sp<SkShader> fShader;
SkSamplingOptions fSampling;
using INHERITED = Benchmark;
};
DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kLinear); )
DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kNearest); )
DEF_BENCH( return new FilteringBench(SkFilterMode::kLinear, SkMipmapMode::kNone); )
DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kLinear); )
DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kNearest); )
DEF_BENCH( return new FilteringBench(SkFilterMode::kNearest, SkMipmapMode::kNone); )