9318231178
git-svn-id: http://skia.googlecode.com/svn/trunk@7202 2bbb7eff-a529-9590-31e7-b0007b416f81
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBenchmark.h"
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#include "SkBitmap.h"
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#include "SkPaint.h"
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#include "SkCanvas.h"
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#include "SkColorPriv.h"
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#include "SkRandom.h"
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#include "SkString.h"
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static void drawIntoBitmap(const SkBitmap& bm) {
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const int w = bm.width();
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const int h = bm.height();
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SkCanvas canvas(bm);
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SkPaint p;
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p.setAntiAlias(true);
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p.setColor(SK_ColorRED);
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canvas.drawCircle(SkIntToScalar(w)/2, SkIntToScalar(h)/2,
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SkIntToScalar(SkMin32(w, h))*3/8, p);
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SkRect r;
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r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h));
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(SkIntToScalar(4));
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p.setColor(SK_ColorBLUE);
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canvas.drawRect(r, p);
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}
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/* Variants for bitmaprect
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src : entire bitmap, subset, fractional subset
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dst : same size as src, diff size
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paint : filter-p
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*/
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class BitmapRectBench : public SkBenchmark {
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SkBitmap fBitmap;
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bool fDoFilter;
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bool fSlightMatrix;
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uint8_t fAlpha;
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SkString fName;
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SkRect fSrcR, fDstR;
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enum { N = SkBENCHLOOP(300) };
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public:
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BitmapRectBench(void* param, U8CPU alpha, bool doFilter, bool slightMatrix) : INHERITED(param) {
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fAlpha = SkToU8(alpha);
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fDoFilter = doFilter;
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fSlightMatrix = slightMatrix;
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const int w = 128;
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const int h = 128;
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fBitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h);
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fBitmap.allocPixels();
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fBitmap.setIsOpaque(true);
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fBitmap.eraseColor(SK_ColorBLACK);
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drawIntoBitmap(fBitmap);
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fSrcR.iset(0, 0, w, h);
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fDstR.iset(0, 0, w, h);
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if (slightMatrix) {
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// want fractional translate
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fDstR.offset(SK_Scalar1 / 3, SK_Scalar1 * 5 / 7);
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// want enough to create a scale matrix, but not enough to scare
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// off our sniffer which tries to see if the matrix is "effectively"
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// translate-only.
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fDstR.fRight += SK_Scalar1 / (w * 60);
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}
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}
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protected:
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virtual const char* onGetName() {
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fName.printf("bitmaprect_%02X_%sfilter_%s",
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fAlpha, fDoFilter ? "" : "no",
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fSlightMatrix ? "trans" : "identity");
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return fName.c_str();
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkRandom rand;
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SkPaint paint;
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this->setupPaint(&paint);
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paint.setFilterBitmap(fDoFilter);
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paint.setAlpha(fAlpha);
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for (int i = 0; i < N; i++) {
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canvas->drawBitmapRectToRect(fBitmap, &fSrcR, fDstR, &paint);
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}
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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DEF_BENCH(return new BitmapRectBench(p, 0xFF, false, false))
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DEF_BENCH(return new BitmapRectBench(p, 0x80, false, false))
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DEF_BENCH(return new BitmapRectBench(p, 0xFF, true, false))
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DEF_BENCH(return new BitmapRectBench(p, 0x80, true, false))
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DEF_BENCH(return new BitmapRectBench(p, 0xFF, false, true))
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DEF_BENCH(return new BitmapRectBench(p, 0xFF, true, true))
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