skia2/bench/BlurImageFilterBench.cpp
mtklein a1ebeb25e9 Remove const from const int loops.
This drives me nuts, and prevents `while (loops --> 0)`.

BUG=skia:

Review URL: https://codereview.chromium.org/1379923005
2015-10-01 09:43:39 -07:00

121 lines
5.2 KiB
C++

/*
* Copyright 2013 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"
#include "SkBlurImageFilter.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
#define FILTER_WIDTH_SMALL 32
#define FILTER_HEIGHT_SMALL 32
#define FILTER_WIDTH_LARGE 256
#define FILTER_HEIGHT_LARGE 256
#define BLUR_SIGMA_MINI 0.5f
#define BLUR_SIGMA_SMALL 1.0f
#define BLUR_SIGMA_LARGE 10.0f
#define BLUR_SIGMA_HUGE 80.0f
class BlurImageFilterBench : public Benchmark {
public:
BlurImageFilterBench(SkScalar sigmaX, SkScalar sigmaY, bool small, bool cropped) :
fIsSmall(small), fIsCropped(cropped), fInitialized(false), fSigmaX(sigmaX), fSigmaY(sigmaY) {
fName.printf("blur_image_filter_%s%s_%.2f_%.2f", fIsSmall ? "small" : "large",
fIsCropped ? "_cropped" : "", SkScalarToFloat(sigmaX), SkScalarToFloat(sigmaY));
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDelayedSetup() override {
if (!fInitialized) {
make_checkerboard();
fInitialized = true;
}
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint;
static const SkScalar kX = 0;
static const SkScalar kY = 0;
const SkRect bmpRect = SkRect::MakeXYWH(kX, kY,
SkIntToScalar(fCheckerboard.width()),
SkIntToScalar(fCheckerboard.height()));
const SkImageFilter::CropRect cropRect =
SkImageFilter::CropRect(bmpRect.makeInset(10.f, 10.f));
const SkImageFilter::CropRect* crop = fIsCropped ? &cropRect : nullptr;
paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY, nullptr, crop))->unref();
for (int i = 0; i < loops; i++) {
canvas->drawBitmap(fCheckerboard, kX, kY, &paint);
}
}
private:
void make_checkerboard() {
const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
const int h = fIsSmall ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE;
fCheckerboard.allocN32Pixels(w, h);
SkCanvas canvas(fCheckerboard);
canvas.clear(0x00000000);
SkPaint darkPaint;
darkPaint.setColor(0xFF804020);
SkPaint lightPaint;
lightPaint.setColor(0xFF244484);
for (int y = 0; y < h; y += 16) {
for (int x = 0; x < w; x += 16) {
canvas.save();
canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
canvas.restore();
}
}
}
SkString fName;
bool fIsSmall;
bool fIsCropped;
bool fInitialized;
SkBitmap fCheckerboard;
SkScalar fSigmaX, fSigmaY;
typedef Benchmark INHERITED;
};
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, false);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, false);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, false);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true);)
DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true);)
DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true);)