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- /*
- * Copyright 2011 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/SkColorPriv.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkString.h"
- #include "include/private/SkTo.h"
- #include "include/utils/SkRandom.h"
- static void draw_into_bitmap(const SkBitmap& bm) {
- const int w = bm.width();
- const int h = bm.height();
- SkCanvas canvas(bm);
- SkPaint p;
- p.setAntiAlias(true);
- p.setColor(SK_ColorRED);
- canvas.drawCircle(SkIntToScalar(w)/2, SkIntToScalar(h)/2,
- SkIntToScalar(SkMin32(w, h))*3/8, p);
- SkRect r;
- r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h));
- p.setStyle(SkPaint::kStroke_Style);
- p.setStrokeWidth(SkIntToScalar(4));
- p.setColor(SK_ColorBLUE);
- canvas.drawRect(r, p);
- }
- /* Variants for bitmaprect
- src : entire bitmap, subset, fractional subset
- dst : same size as src, diff size
- paint : filter-p
- */
- class BitmapRectBench : public Benchmark {
- SkBitmap fBitmap;
- bool fSlightMatrix;
- uint8_t fAlpha;
- SkFilterQuality fFilterQuality;
- SkString fName;
- SkRect fSrcR, fDstR;
- static const int kWidth = 128;
- static const int kHeight = 128;
- public:
- BitmapRectBench(U8CPU alpha, SkFilterQuality filterQuality,
- bool slightMatrix) {
- fAlpha = SkToU8(alpha);
- fFilterQuality = filterQuality;
- fSlightMatrix = slightMatrix;
- fBitmap.setInfo(SkImageInfo::MakeN32Premul(kWidth, kHeight));
- }
- protected:
- const char* onGetName() override {
- fName.printf("bitmaprect_%02X_%sfilter_%s",
- fAlpha,
- kNone_SkFilterQuality == fFilterQuality ? "no" : "",
- fSlightMatrix ? "trans" : "identity");
- return fName.c_str();
- }
- void onDelayedSetup() override {
- fBitmap.allocPixels();
- fBitmap.setAlphaType(kOpaque_SkAlphaType);
- fBitmap.eraseColor(SK_ColorBLACK);
- draw_into_bitmap(fBitmap);
- fSrcR.iset(0, 0, kWidth, kHeight);
- fDstR.iset(0, 0, kWidth, kHeight);
- if (fSlightMatrix) {
- // want fractional translate
- fDstR.offset(SK_Scalar1 / 3, SK_Scalar1 * 5 / 7);
- // want enough to create a scale matrix, but not enough to scare
- // off our sniffer which tries to see if the matrix is "effectively"
- // translate-only.
- fDstR.fRight += SK_Scalar1 / (kWidth * 60);
- }
- }
- void onDraw(int loops, SkCanvas* canvas) override {
- SkRandom rand;
- SkPaint paint;
- this->setupPaint(&paint);
- paint.setFilterQuality(fFilterQuality);
- paint.setAlpha(fAlpha);
- for (int i = 0; i < loops; i++) {
- canvas->drawBitmapRect(fBitmap, fSrcR, fDstR, &paint,
- SkCanvas::kStrict_SrcRectConstraint);
- }
- }
- private:
- typedef Benchmark INHERITED;
- };
- DEF_BENCH(return new BitmapRectBench(0xFF, kNone_SkFilterQuality, false))
- DEF_BENCH(return new BitmapRectBench(0x80, kNone_SkFilterQuality, false))
- DEF_BENCH(return new BitmapRectBench(0xFF, kLow_SkFilterQuality, false))
- DEF_BENCH(return new BitmapRectBench(0x80, kLow_SkFilterQuality, false))
- DEF_BENCH(return new BitmapRectBench(0xFF, kNone_SkFilterQuality, true))
- DEF_BENCH(return new BitmapRectBench(0xFF, kLow_SkFilterQuality, true))
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