bench/BitmapBench.cpp - platform/external/skia - Gitiles


 /*
  * 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 "SkBenchmark.h"
 #include "SkBitmap.h"
 #include "SkPaint.h"
 #include "SkCanvas.h"
 #include "SkColorPriv.h"
 #include "SkRandom.h"
 #include "SkString.h"

 static const char* gTileName[] = {
     "clamp", "repeat", "mirror"
 };

 static const char* gConfigName[] = {
     "ERROR", "a1", "a8", "index8", "565", "4444", "8888"
 };

 static int conv6ToByte(int x) {
     return x * 0xFF / 5;
 }

 static int convByteTo6(int x) {
     return x * 5 / 255;
 }

 static uint8_t compute666Index(SkPMColor c) {
     int r = SkGetPackedR32(c);
     int g = SkGetPackedG32(c);
     int b = SkGetPackedB32(c);

     return convByteTo6(r) * 36 + convByteTo6(g) * 6 + convByteTo6(b);
 }

 static void convertToIndex666(const SkBitmap& src, SkBitmap* dst) {
     SkColorTable* ctable = new SkColorTable(216);
     SkPMColor* colors = ctable->lockColors();
     // rrr ggg bbb
     for (int r = 0; r < 6; r++) {
         int rr = conv6ToByte(r);
         for (int g = 0; g < 6; g++) {
             int gg = conv6ToByte(g);
             for (int b = 0; b < 6; b++) {
                 int bb = conv6ToByte(b);
                 *colors++ = SkPreMultiplyARGB(0xFF, rr, gg, bb);
             }
         }
     }
     ctable->unlockColors(true);
     dst->setConfig(SkBitmap::kIndex8_Config, src.width(), src.height());
     dst->allocPixels(ctable);
     ctable->unref();

     SkAutoLockPixels alps(src);
     SkAutoLockPixels alpd(*dst);

     for (int y = 0; y < src.height(); y++) {
         const SkPMColor* srcP = src.getAddr32(0, y);
         uint8_t* dstP = dst->getAddr8(0, y);
         for (int x = src.width() - 1; x >= 0; --x) {
             *dstP++ = compute666Index(*srcP++);
         }
     }
 }

 /*  Variants for bitmaps

     - src depth (32 w+w/o alpha), 565, 4444, index, a8
     - paint options: filtering, dither, alpha
     - matrix options: translate, scale, rotate, persp
     - tiling: none, repeat, mirror, clamp

  */

 class BitmapBench : public SkBenchmark {
     SkBitmap    fBitmap;
     SkPaint     fPaint;
     bool        fIsOpaque;
     bool        fForceUpdate; //bitmap marked as dirty before each draw. forces bitmap to be updated on device cache
     int         fTileX, fTileY; // -1 means don't use shader
     bool        fIsVolatile;
     SkBitmap::Config fConfig;
     SkString    fName;
     enum { N = SkBENCHLOOP(300) };
     enum { W = 128 };
     enum { H = 128 };
 public:
     BitmapBench(void* param, bool isOpaque, SkBitmap::Config c,
                 bool forceUpdate = false, bool bitmapVolatile = false,
                 int tx = -1, int ty = -1)
         : INHERITED(param)
         , fIsOpaque(isOpaque)
         , fForceUpdate(forceUpdate)
         , fTileX(tx)
         , fTileY(ty)
         , fIsVolatile(bitmapVolatile)
         , fConfig(c) {
     }

 protected:
     virtual const char* onGetName() {
         fName.set("bitmap");
         if (fTileX >= 0) {
             fName.appendf("_%s", gTileName[fTileX]);
             if (fTileY != fTileX) {
                 fName.appendf("_%s", gTileName[fTileY]);
             }
         }
         fName.appendf("_%s%s", gConfigName[fConfig],
                       fIsOpaque ? "" : "_A");
         if (fForceUpdate)
             fName.append("_update");
         if (fIsVolatile)
             fName.append("_volatile");

         return fName.c_str();
     }

     virtual void onPreDraw() {
         SkBitmap bm;

         if (SkBitmap::kIndex8_Config == fConfig) {
             bm.setConfig(SkBitmap::kARGB_8888_Config, W, H);
         } else {
             bm.setConfig(fConfig, W, H);
         }

         bm.allocPixels();
         bm.eraseColor(fIsOpaque ? SK_ColorBLACK : 0);

         onDrawIntoBitmap(bm);

         if (SkBitmap::kIndex8_Config == fConfig) {
             convertToIndex666(bm, &fBitmap);
         } else {
             fBitmap = bm;
         }

         if (fBitmap.getColorTable()) {
             fBitmap.getColorTable()->setIsOpaque(fIsOpaque);
         }
         fBitmap.setIsOpaque(fIsOpaque);
         fBitmap.setIsVolatile(fIsVolatile);
     }

     virtual void onDraw(SkCanvas* canvas) {
         SkIPoint dim = this->getSize();
         SkRandom rand;

         SkPaint paint(fPaint);
         this->setupPaint(&paint);

         const SkBitmap& bitmap = fBitmap;
         const SkScalar x0 = SkIntToScalar(-bitmap.width() / 2);
         const SkScalar y0 = SkIntToScalar(-bitmap.height() / 2);

         for (int i = 0; i < N; i++) {
             SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
             SkScalar y = y0 + rand.nextUScalar1() * dim.fY;

             if (fForceUpdate)
                 bitmap.notifyPixelsChanged();

             canvas->drawBitmap(bitmap, x, y, &paint);
         }
     }

     virtual void onDrawIntoBitmap(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);
     }

 private:
     typedef SkBenchmark INHERITED;
 };

 /** Explicitly invoke some filter types to improve coverage of acceleration
     procs. */

 class FilterBitmapBench : public BitmapBench {
     bool        fScale;
     bool        fRotate;
     bool        fFilter;
     SkString    fFullName;
     enum { N = SkBENCHLOOP(300) };
 public:
     FilterBitmapBench(void* param, bool isOpaque, SkBitmap::Config c,
                 bool forceUpdate = false, bool bitmapVolatile = false,
                 int tx = -1, int ty = -1, bool addScale = false,
                 bool addRotate = false, bool addFilter = false)
         : INHERITED(param, isOpaque, c, forceUpdate, bitmapVolatile, tx, ty)
         , fScale(addScale), fRotate(addRotate), fFilter(addFilter) {

     }

 protected:
     virtual const char* onGetName() {
         fFullName.set(INHERITED::onGetName());
         if (fScale)
             fFullName.append("_scale");
         if (fRotate)
             fFullName.append("_rotate");
         if (fFilter)
             fFullName.append("_filter");

         return fFullName.c_str();
     }

     virtual void onDraw(SkCanvas* canvas) {
         SkISize dim = canvas->getDeviceSize();
         if (fScale) {
             const SkScalar x = SkIntToScalar(dim.fWidth) / 2;
             const SkScalar y = SkIntToScalar(dim.fHeight) / 2;

             canvas->translate(x, y);
             // just enough so we can't take the sprite case
             canvas->scale(SK_Scalar1 * 99/100, SK_Scalar1 * 99/100);
             canvas->translate(-x, -y);
         }
         if (fRotate) {
             const SkScalar x = SkIntToScalar(dim.fWidth) / 2;
             const SkScalar y = SkIntToScalar(dim.fHeight) / 2;

             canvas->translate(x, y);
             canvas->rotate(SkIntToScalar(35));
             canvas->translate(-x, -y);
         }

         this->setForceFilter(fFilter);
         INHERITED::onDraw(canvas);
     }

 private:
     typedef BitmapBench INHERITED;
 };

 /** Verify optimizations that test source alpha values. */

 class SourceAlphaBitmapBench : public BitmapBench {
 public:
     enum SourceAlpha { kOpaque_SourceAlpha, kTransparent_SourceAlpha,
                        kTwoStripes_SourceAlpha, kThreeStripes_SourceAlpha};
 private:
     SkString    fFullName;
     SourceAlpha fSourceAlpha;
 public:
     SourceAlphaBitmapBench(void* param, SourceAlpha alpha, SkBitmap::Config c,
                 bool forceUpdate = false, bool bitmapVolatile = false,
                 int tx = -1, int ty = -1)
         : INHERITED(param, false, c, forceUpdate, bitmapVolatile, tx, ty)
         , fSourceAlpha(alpha) {
     }

 protected:
     virtual const char* onGetName() {
         fFullName.set(INHERITED::onGetName());

         if (fSourceAlpha == kOpaque_SourceAlpha) {
                 fFullName.append("_source_opaque");
         } else if (fSourceAlpha == kTransparent_SourceAlpha) {
                 fFullName.append("_source_transparent");
         } else if (fSourceAlpha == kTwoStripes_SourceAlpha) {
                 fFullName.append("_source_stripes_two");
         } else if (fSourceAlpha == kThreeStripes_SourceAlpha) {
                 fFullName.append("_source_stripes_three");
         }

         return fFullName.c_str();
     }

     virtual void onDrawIntoBitmap(const SkBitmap& bm) SK_OVERRIDE {
         const int w = bm.width();
         const int h = bm.height();

         if (kOpaque_SourceAlpha == fSourceAlpha) {
             bm.eraseColor(SK_ColorBLACK);
         } else if (kTransparent_SourceAlpha == fSourceAlpha) {
             bm.eraseColor(0);
         } else if (kTwoStripes_SourceAlpha == fSourceAlpha) {
             bm.eraseColor(0);

             SkCanvas canvas(bm);
             SkPaint p;
             p.setAntiAlias(false);
             p.setStyle(SkPaint::kFill_Style);
             p.setColor(SK_ColorRED);

             // Draw red vertical stripes on transparent background
             SkRect r;
             for (int x = 0; x < w; x+=2)
             {
                 r.set(SkIntToScalar(x), 0, SkIntToScalar(x+1), SkIntToScalar(h));
                 canvas.drawRect(r, p);
             }

         } else if (kThreeStripes_SourceAlpha == fSourceAlpha) {
             bm.eraseColor(0);

             SkCanvas canvas(bm);
             SkPaint p;
             p.setAntiAlias(false);
             p.setStyle(SkPaint::kFill_Style);

             // Draw vertical stripes on transparent background with a pattern
             // where the first pixel is fully transparent, the next is semi-transparent
             // and the third is fully opaque.
             SkRect r;
             for (int x = 0; x < w; x++)
             {
                 if (x % 3 == 0) {
                     continue; // Keep transparent
                 } else if (x % 3 == 1) {
                     p.setColor(SkColorSetARGB(127, 127, 127, 127)); // Semi-transparent
                 } else if (x % 3 == 2) {
                     p.setColor(SK_ColorRED); // Opaque
                 }
                 r.set(SkIntToScalar(x), 0, SkIntToScalar(x+1), SkIntToScalar(h));
                 canvas.drawRect(r, p);
             }
         }
     }

 private:
     typedef BitmapBench INHERITED;
 };

 DEF_BENCH( return new BitmapBench(p, false, SkBitmap::kARGB_8888_Config); )
 DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_8888_Config); )
 DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kRGB_565_Config); )
 DEF_BENCH( return new BitmapBench(p, false, SkBitmap::kARGB_4444_Config); )
 DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_4444_Config); )
 DEF_BENCH( return new BitmapBench(p, false, SkBitmap::kIndex8_Config); )
 DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kIndex8_Config); )
 DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, true); )
 DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, false); )

 // scale filter -> S32_opaque_D32_filter_DX_{SSE2,SSSE3} and Fact9 is also for S32_D16_filter_DX_SSE2
 DEF_BENCH( return new FilterBitmapBench(p, false, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, false, true); )
 DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, false, true); )
 DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, true, -1, -1, true, false, true); )
 DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, false, -1, -1, true, false, true); )

 // scale rotate filter -> S32_opaque_D32_filter_DXDY_{SSE2,SSSE3}
 DEF_BENCH( return new FilterBitmapBench(p, false, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, true, true); )
 DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, true, true); )
 DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, true, -1, -1, true, true, true); )
 DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, false, -1, -1, true, true, true); )

 // source alpha tests -> S32A_Opaque_BlitRow32_{arm,neon}
 DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kOpaque_SourceAlpha, SkBitmap::kARGB_8888_Config); )
 DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kTransparent_SourceAlpha, SkBitmap::kARGB_8888_Config); )
 DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kTwoStripes_SourceAlpha, SkBitmap::kARGB_8888_Config); )
 DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kThreeStripes_SourceAlpha, SkBitmap::kARGB_8888_Config); )

	/*
	* 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 "SkBenchmark.h"
	#include "SkBitmap.h"
	#include "SkPaint.h"
	#include "SkCanvas.h"
	#include "SkColorPriv.h"
	#include "SkRandom.h"
	#include "SkString.h"

	static const char* gTileName[] = {
	"clamp", "repeat", "mirror"
	};

	static const char* gConfigName[] = {
	"ERROR", "a1", "a8", "index8", "565", "4444", "8888"
	};

	static int conv6ToByte(int x) {
	return x * 0xFF / 5;
	}

	static int convByteTo6(int x) {
	return x * 5 / 255;
	}

	static uint8_t compute666Index(SkPMColor c) {
	int r = SkGetPackedR32(c);
	int g = SkGetPackedG32(c);
	int b = SkGetPackedB32(c);

	return convByteTo6(r) * 36 + convByteTo6(g) * 6 + convByteTo6(b);
	}

	static void convertToIndex666(const SkBitmap& src, SkBitmap* dst) {
	SkColorTable* ctable = new SkColorTable(216);
	SkPMColor* colors = ctable->lockColors();
	// rrr ggg bbb
	for (int r = 0; r < 6; r++) {
	int rr = conv6ToByte(r);
	for (int g = 0; g < 6; g++) {
	int gg = conv6ToByte(g);
	for (int b = 0; b < 6; b++) {
	int bb = conv6ToByte(b);
	*colors++ = SkPreMultiplyARGB(0xFF, rr, gg, bb);
	}
	}
	}
	ctable->unlockColors(true);
	dst->setConfig(SkBitmap::kIndex8_Config, src.width(), src.height());
	dst->allocPixels(ctable);
	ctable->unref();

	SkAutoLockPixels alps(src);
	SkAutoLockPixels alpd(*dst);

	for (int y = 0; y < src.height(); y++) {
	const SkPMColor* srcP = src.getAddr32(0, y);
	uint8_t* dstP = dst->getAddr8(0, y);
	for (int x = src.width() - 1; x >= 0; --x) {
	dstP++ = compute666Index(srcP++);
	}
	}
	}

	/* Variants for bitmaps

	- src depth (32 w+w/o alpha), 565, 4444, index, a8
	- paint options: filtering, dither, alpha
	- matrix options: translate, scale, rotate, persp
	- tiling: none, repeat, mirror, clamp

	*/

	class BitmapBench : public SkBenchmark {
	SkBitmap fBitmap;
	SkPaint fPaint;
	bool fIsOpaque;
	bool fForceUpdate; //bitmap marked as dirty before each draw. forces bitmap to be updated on device cache
	int fTileX, fTileY; // -1 means don't use shader
	bool fIsVolatile;
	SkBitmap::Config fConfig;
	SkString fName;
	enum { N = SkBENCHLOOP(300) };
	enum { W = 128 };
	enum { H = 128 };
	public:
	BitmapBench(void* param, bool isOpaque, SkBitmap::Config c,
	bool forceUpdate = false, bool bitmapVolatile = false,
	int tx = -1, int ty = -1)
	: INHERITED(param)
	, fIsOpaque(isOpaque)
	, fForceUpdate(forceUpdate)
	, fTileX(tx)
	, fTileY(ty)
	, fIsVolatile(bitmapVolatile)
	, fConfig(c) {
	}

	protected:
	virtual const char* onGetName() {
	fName.set("bitmap");
	if (fTileX >= 0) {
	fName.appendf("_%s", gTileName[fTileX]);
	if (fTileY != fTileX) {
	fName.appendf("_%s", gTileName[fTileY]);
	}
	}
	fName.appendf("_%s%s", gConfigName[fConfig],
	fIsOpaque ? "" : "_A");
	if (fForceUpdate)
	fName.append("_update");
	if (fIsVolatile)
	fName.append("_volatile");

	return fName.c_str();
	}

	virtual void onPreDraw() {
	SkBitmap bm;

	if (SkBitmap::kIndex8_Config == fConfig) {
	bm.setConfig(SkBitmap::kARGB_8888_Config, W, H);
	} else {
	bm.setConfig(fConfig, W, H);
	}

	bm.allocPixels();
	bm.eraseColor(fIsOpaque ? SK_ColorBLACK : 0);

	onDrawIntoBitmap(bm);

	if (SkBitmap::kIndex8_Config == fConfig) {
	convertToIndex666(bm, &fBitmap);
	} else {
	fBitmap = bm;
	}

	if (fBitmap.getColorTable()) {
	fBitmap.getColorTable()->setIsOpaque(fIsOpaque);
	}
	fBitmap.setIsOpaque(fIsOpaque);
	fBitmap.setIsVolatile(fIsVolatile);
	}

	virtual void onDraw(SkCanvas* canvas) {
	SkIPoint dim = this->getSize();
	SkRandom rand;

	SkPaint paint(fPaint);
	this->setupPaint(&paint);

	const SkBitmap& bitmap = fBitmap;
	const SkScalar x0 = SkIntToScalar(-bitmap.width() / 2);
	const SkScalar y0 = SkIntToScalar(-bitmap.height() / 2);

	for (int i = 0; i < N; i++) {
	SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
	SkScalar y = y0 + rand.nextUScalar1() * dim.fY;

	if (fForceUpdate)
	bitmap.notifyPixelsChanged();

	canvas->drawBitmap(bitmap, x, y, &paint);
	}
	}

	virtual void onDrawIntoBitmap(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);
	}

	private:
	typedef SkBenchmark INHERITED;
	};

	/** Explicitly invoke some filter types to improve coverage of acceleration
	procs. */

	class FilterBitmapBench : public BitmapBench {
	bool fScale;
	bool fRotate;
	bool fFilter;
	SkString fFullName;
	enum { N = SkBENCHLOOP(300) };
	public:
	FilterBitmapBench(void* param, bool isOpaque, SkBitmap::Config c,
	bool forceUpdate = false, bool bitmapVolatile = false,
	int tx = -1, int ty = -1, bool addScale = false,
	bool addRotate = false, bool addFilter = false)
	: INHERITED(param, isOpaque, c, forceUpdate, bitmapVolatile, tx, ty)
	, fScale(addScale), fRotate(addRotate), fFilter(addFilter) {

	}

	protected:
	virtual const char* onGetName() {
	fFullName.set(INHERITED::onGetName());
	if (fScale)
	fFullName.append("_scale");
	if (fRotate)
	fFullName.append("_rotate");
	if (fFilter)
	fFullName.append("_filter");

	return fFullName.c_str();
	}

	virtual void onDraw(SkCanvas* canvas) {
	SkISize dim = canvas->getDeviceSize();
	if (fScale) {
	const SkScalar x = SkIntToScalar(dim.fWidth) / 2;
	const SkScalar y = SkIntToScalar(dim.fHeight) / 2;

	canvas->translate(x, y);
	// just enough so we can't take the sprite case
	canvas->scale(SK_Scalar1 * 99/100, SK_Scalar1 * 99/100);
	canvas->translate(-x, -y);
	}
	if (fRotate) {
	const SkScalar x = SkIntToScalar(dim.fWidth) / 2;
	const SkScalar y = SkIntToScalar(dim.fHeight) / 2;

	canvas->translate(x, y);
	canvas->rotate(SkIntToScalar(35));
	canvas->translate(-x, -y);
	}

	this->setForceFilter(fFilter);
	INHERITED::onDraw(canvas);
	}

	private:
	typedef BitmapBench INHERITED;
	};

	/** Verify optimizations that test source alpha values. */

	class SourceAlphaBitmapBench : public BitmapBench {
	public:
	enum SourceAlpha { kOpaque_SourceAlpha, kTransparent_SourceAlpha,
	kTwoStripes_SourceAlpha, kThreeStripes_SourceAlpha};
	private:
	SkString fFullName;
	SourceAlpha fSourceAlpha;
	public:
	SourceAlphaBitmapBench(void* param, SourceAlpha alpha, SkBitmap::Config c,
	bool forceUpdate = false, bool bitmapVolatile = false,
	int tx = -1, int ty = -1)
	: INHERITED(param, false, c, forceUpdate, bitmapVolatile, tx, ty)
	, fSourceAlpha(alpha) {
	}

	protected:
	virtual const char* onGetName() {
	fFullName.set(INHERITED::onGetName());

	if (fSourceAlpha == kOpaque_SourceAlpha) {
	fFullName.append("_source_opaque");
	} else if (fSourceAlpha == kTransparent_SourceAlpha) {
	fFullName.append("_source_transparent");
	} else if (fSourceAlpha == kTwoStripes_SourceAlpha) {
	fFullName.append("_source_stripes_two");
	} else if (fSourceAlpha == kThreeStripes_SourceAlpha) {
	fFullName.append("_source_stripes_three");
	}

	return fFullName.c_str();
	}

	virtual void onDrawIntoBitmap(const SkBitmap& bm) SK_OVERRIDE {
	const int w = bm.width();
	const int h = bm.height();

	if (kOpaque_SourceAlpha == fSourceAlpha) {
	bm.eraseColor(SK_ColorBLACK);
	} else if (kTransparent_SourceAlpha == fSourceAlpha) {
	bm.eraseColor(0);
	} else if (kTwoStripes_SourceAlpha == fSourceAlpha) {
	bm.eraseColor(0);

	SkCanvas canvas(bm);
	SkPaint p;
	p.setAntiAlias(false);
	p.setStyle(SkPaint::kFill_Style);
	p.setColor(SK_ColorRED);

	// Draw red vertical stripes on transparent background
	SkRect r;
	for (int x = 0; x < w; x+=2)
	{
	r.set(SkIntToScalar(x), 0, SkIntToScalar(x+1), SkIntToScalar(h));
	canvas.drawRect(r, p);
	}

	} else if (kThreeStripes_SourceAlpha == fSourceAlpha) {
	bm.eraseColor(0);

	SkCanvas canvas(bm);
	SkPaint p;
	p.setAntiAlias(false);
	p.setStyle(SkPaint::kFill_Style);

	// Draw vertical stripes on transparent background with a pattern
	// where the first pixel is fully transparent, the next is semi-transparent
	// and the third is fully opaque.
	SkRect r;
	for (int x = 0; x < w; x++)
	{
	if (x % 3 == 0) {
	continue; // Keep transparent
	} else if (x % 3 == 1) {
	p.setColor(SkColorSetARGB(127, 127, 127, 127)); // Semi-transparent
	} else if (x % 3 == 2) {
	p.setColor(SK_ColorRED); // Opaque
	}
	r.set(SkIntToScalar(x), 0, SkIntToScalar(x+1), SkIntToScalar(h));
	canvas.drawRect(r, p);
	}
	}
	}

	private:
	typedef BitmapBench INHERITED;
	};

	DEF_BENCH( return new BitmapBench(p, false, SkBitmap::kARGB_8888_Config); )
	DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_8888_Config); )
	DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kRGB_565_Config); )
	DEF_BENCH( return new BitmapBench(p, false, SkBitmap::kARGB_4444_Config); )
	DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_4444_Config); )
	DEF_BENCH( return new BitmapBench(p, false, SkBitmap::kIndex8_Config); )
	DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kIndex8_Config); )
	DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, true); )
	DEF_BENCH( return new BitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, false); )

	// scale filter -> S32_opaque_D32_filter_DX_{SSE2,SSSE3} and Fact9 is also for S32_D16_filter_DX_SSE2
	DEF_BENCH( return new FilterBitmapBench(p, false, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, false, true); )
	DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, false, true); )
	DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, true, -1, -1, true, false, true); )
	DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, false, -1, -1, true, false, true); )

	// scale rotate filter -> S32_opaque_D32_filter_DXDY_{SSE2,SSSE3}
	DEF_BENCH( return new FilterBitmapBench(p, false, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, true, true); )
	DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, false, false, -1, -1, true, true, true); )
	DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, true, -1, -1, true, true, true); )
	DEF_BENCH( return new FilterBitmapBench(p, true, SkBitmap::kARGB_8888_Config, true, false, -1, -1, true, true, true); )

	// source alpha tests -> S32A_Opaque_BlitRow32_{arm,neon}
	DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kOpaque_SourceAlpha, SkBitmap::kARGB_8888_Config); )
	DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kTransparent_SourceAlpha, SkBitmap::kARGB_8888_Config); )
	DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kTwoStripes_SourceAlpha, SkBitmap::kARGB_8888_Config); )
	DEF_BENCH( return new SourceAlphaBitmapBench(p, SourceAlphaBitmapBench::kThreeStripes_SourceAlpha, SkBitmap::kARGB_8888_Config); )