skia2/bench/MagnifierBench.cpp
Michael Ludwig 2300318551 Update benchmarks to use new filter factories
Also refactors 3 duplicate functions that converted an SkTileMode to
a char*. This will rename the matrix convolution benchmarks that used
"clampToBlack" to the more modern "decal" terminology.

Bug: skia:9280
Change-Id: I43a4f9edeba36eb5af1243f7e4ab7647253b91f2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230883
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2019-08-05 16:41:25 +00:00

87 lines
2.7 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 "bench/Benchmark.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/effects/SkImageFilters.h"
#include "include/utils/SkRandom.h"
#define FILTER_WIDTH_SMALL 32
#define FILTER_HEIGHT_SMALL 32
#define FILTER_WIDTH_LARGE 256
#define FILTER_HEIGHT_LARGE 256
class MagnifierBench : public Benchmark {
public:
MagnifierBench(bool small) :
fIsSmall(small), fInitialized(false) {
}
protected:
const char* onGetName() override {
return fIsSmall ? "magnifier_small" : "magnifier_large";
}
void onDelayedSetup() override {
if (!fInitialized) {
make_checkerboard();
fInitialized = true;
}
}
void onDraw(int loops, SkCanvas* canvas) override {
const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
const int h = fIsSmall ? FILTER_HEIGHT_SMALL : FILTER_HEIGHT_LARGE;
SkPaint paint;
paint.setImageFilter(
SkImageFilters::Magnifier(
SkRect::MakeXYWH(SkIntToScalar(w / 4),
SkIntToScalar(h / 4),
SkIntToScalar(w / 2),
SkIntToScalar(h / 2)), 100, nullptr));
for (int i = 0; i < loops; i++) {
canvas->drawBitmap(fCheckerboard, 0, 0, &paint);
}
}
private:
void make_checkerboard() {
const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
const int h = fIsSmall ? FILTER_HEIGHT_SMALL : 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();
}
}
}
bool fIsSmall;
bool fInitialized;
SkBitmap fCheckerboard;
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new MagnifierBench(true); )
DEF_BENCH( return new MagnifierBench(false); )