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/*
* 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/core/SkShader.h"
#include "include/core/SkString.h"
#include "include/core/SkTileMode.h"
static void create_gradient(SkBitmap* bm) {
SkASSERT(1 == bm->width());
const int height = bm->height();
float deltaB = 255.0f / height;
float blue = 255.0f;
for (int y = 0; y < height; y++) {
*bm->getAddr32(0, y) = SkColorSetRGB(0, 0, (U8CPU) blue);
blue -= deltaB;
}
}
// Test out the special case of a tiled 1xN texture. Test out opacity,
// filtering and the different tiling modes
class ConstXTileBench : public Benchmark {
public:
ConstXTileBench(SkTileMode xTile,
SkTileMode yTile,
SkFilterMode fm,
bool doTrans,
bool doScale)
: fFilterMode{fm}
, fXTile{xTile}
, fYTile{yTile}
, fDoTrans{doTrans}
, fDoScale{doScale} {
fName.printf("constXTile_");
static const char* gTileModeStr[kSkTileModeCount] = { "C", "R", "M", "D" };
fName.append(gTileModeStr[(unsigned)xTile]);
fName.append(gTileModeStr[(unsigned)yTile]);
if (fm != SkFilterMode::kNearest) {
fName.append("_filter");
}
if (doTrans) {
fName.append("_trans");
}
if (doScale) {
fName.append("_scale");
}
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDelayedSetup() override {
SkBitmap bm;
bm.allocN32Pixels(kWidth, kHeight, true);
bm.eraseColor(SK_ColorWHITE);
create_gradient(&bm);
fPaint.setShader(bm.makeShader(fXTile, fYTile, SkSamplingOptions(fFilterMode)));
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint(fPaint);
this->setupPaint(&paint);
if (fDoTrans) {
paint.setColor(SkColorSetARGB(0x80, 0xFF, 0xFF, 0xFF));
}
SkRect r;
if (fDoScale) {
r = SkRect::MakeWH(SkIntToScalar(2 * 640), SkIntToScalar(2 * 480));
canvas->scale(SK_ScalarHalf, SK_ScalarHalf);
} else {
r = SkRect::MakeWH(SkIntToScalar(640), SkIntToScalar(480));
}
SkPaint bgPaint;
bgPaint.setColor(SK_ColorWHITE);
for (int i = 0; i < loops; i++) {
if (fDoTrans) {
canvas->drawRect(r, bgPaint);
}
canvas->drawRect(r, paint);
}
}
private:
inline static constexpr int kWidth = 1;
inline static constexpr int kHeight = 300;
const SkFilterMode fFilterMode;
const SkTileMode fXTile,
fYTile;
const bool fDoTrans,
fDoScale;
SkPaint fPaint;
SkString fName;
using INHERITED = Benchmark;
};
// Scaled benches are trending towards free. Seems like caching.
// TODO(mtklein, reed): fix and reenable
constexpr SkFilterMode gNN = SkFilterMode::kNearest;
constexpr SkFilterMode gLI = SkFilterMode::kLinear;
//DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, false, false, true))
DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, gNN, false, false))
//DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, false, false, true))
DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, gLI, false, false))
//DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, true, false, true))
DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, gLI, false, false))
//DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, false, true, true))
DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, gNN, true, false))
//DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, false, true, true))
DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, gLI, true, false))
//DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, true, true, true))
DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, gLI, true, false))