2011-07-28 18:26:00 +04:00
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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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2009-08-13 00:30:58 +04:00
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#include "SkBenchmark.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkColorPriv.h"
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#include "SkPaint.h"
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#include "SkShader.h"
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#include "SkString.h"
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static const char* gConfigName[] = {
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"ERROR", "a1", "a8", "index8", "565", "4444", "8888"
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};
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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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static int conv6ToByte(int x) {
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return x * 0xFF / 5;
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}
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static int convByteTo6(int x) {
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return x * 5 / 255;
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}
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static uint8_t compute666Index(SkPMColor c) {
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int r = SkGetPackedR32(c);
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int g = SkGetPackedG32(c);
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int b = SkGetPackedB32(c);
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return convByteTo6(r) * 36 + convByteTo6(g) * 6 + convByteTo6(b);
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}
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static void convertToIndex666(const SkBitmap& src, SkBitmap* dst) {
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SkColorTable* ctable = new SkColorTable(216);
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SkPMColor* colors = ctable->lockColors();
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// rrr ggg bbb
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for (int r = 0; r < 6; r++) {
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int rr = conv6ToByte(r);
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for (int g = 0; g < 6; g++) {
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int gg = conv6ToByte(g);
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for (int b = 0; b < 6; b++) {
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int bb = conv6ToByte(b);
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*colors++ = SkPreMultiplyARGB(0xFF, rr, gg, bb);
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}
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}
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}
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ctable->unlockColors(true);
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dst->setConfig(SkBitmap::kIndex8_Config, src.width(), src.height());
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dst->allocPixels(ctable);
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ctable->unref();
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SkAutoLockPixels alps(src);
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SkAutoLockPixels alpd(*dst);
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for (int y = 0; y < src.height(); y++) {
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const SkPMColor* srcP = src.getAddr32(0, y);
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uint8_t* dstP = dst->getAddr8(0, y);
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for (int x = src.width() - 1; x >= 0; --x) {
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*dstP++ = compute666Index(*srcP++);
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}
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}
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}
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class RepeatTileBench : public SkBenchmark {
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SkPaint fPaint;
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SkString fName;
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2011-10-28 19:34:49 +04:00
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enum { N = SkBENCHLOOP(20) };
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2009-08-13 00:30:58 +04:00
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public:
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2009-09-03 01:12:42 +04:00
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RepeatTileBench(void* param, SkBitmap::Config c) : INHERITED(param) {
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2009-08-13 00:30:58 +04:00
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const int w = 50;
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const int h = 50;
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SkBitmap bm;
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if (SkBitmap::kIndex8_Config == c) {
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bm.setConfig(SkBitmap::kARGB_8888_Config, w, h);
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} else {
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bm.setConfig(c, w, h);
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}
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bm.allocPixels();
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bm.eraseColor(0);
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drawIntoBitmap(bm);
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if (SkBitmap::kIndex8_Config == c) {
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SkBitmap tmp;
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convertToIndex666(bm, &tmp);
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bm = tmp;
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}
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SkShader* s = SkShader::CreateBitmapShader(bm,
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SkShader::kRepeat_TileMode,
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SkShader::kRepeat_TileMode);
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fPaint.setShader(s)->unref();
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fName.printf("repeatTile_%s", gConfigName[bm.config()]);
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}
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protected:
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virtual const char* onGetName() {
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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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SkPaint paint(fPaint);
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this->setupPaint(&paint);
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for (int i = 0; i < N; i++) {
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canvas->drawPaint(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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2009-09-03 01:12:42 +04:00
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static SkBenchmark* Fact0(void* p) { return new RepeatTileBench(p, SkBitmap::kARGB_8888_Config); }
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static SkBenchmark* Fact1(void* p) { return new RepeatTileBench(p, SkBitmap::kRGB_565_Config); }
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static SkBenchmark* Fact2(void* p) { return new RepeatTileBench(p, SkBitmap::kARGB_4444_Config); }
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static SkBenchmark* Fact3(void* p) { return new RepeatTileBench(p, SkBitmap::kIndex8_Config); }
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2009-08-13 00:30:58 +04:00
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static BenchRegistry gReg0(Fact0);
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static BenchRegistry gReg1(Fact1);
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static BenchRegistry gReg2(Fact2);
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static BenchRegistry gReg3(Fact3);
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