7438bfc080
SkMatrix::scale and ::rotate take a point around which to scale or rotate. Canvas lacks these helpers, so the code to rotate a canvas around a point has been duplicated many times. Factor all of these implementations into SkCanvas::rotate. GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2142033002 Review-Url: https://codereview.chromium.org/2142033002
388 lines
13 KiB
C++
388 lines
13 KiB
C++
/*
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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 "Benchmark.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 "SkRandom.h"
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#include "SkString.h"
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#include "sk_tool_utils.h"
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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, SkAlphaType aType) {
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SkPMColor storage[216];
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SkPMColor* colors = storage;
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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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SkColorTable* ctable = new SkColorTable(storage, 216);
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dst->allocPixels(SkImageInfo::Make(src.width(), src.height(), kIndex_8_SkColorType, aType),
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nullptr, 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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/* Variants for bitmaps
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- src depth (32 w+w/o alpha), 565, 4444, index, a8
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- paint options: filtering, dither, alpha
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- matrix options: translate, scale, rotate, persp
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- tiling: none, repeat, mirror, clamp
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*/
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class BitmapBench : public Benchmark {
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const SkColorType fColorType;
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const SkAlphaType fAlphaType;
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const bool fForceUpdate; //bitmap marked as dirty before each draw. forces bitmap to be updated on device cache
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const bool fIsVolatile;
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const bool fDoScale;
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SkBitmap fBitmap;
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SkPaint fPaint;
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SkString fName;
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enum { W = 128 };
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enum { H = 128 };
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public:
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BitmapBench(SkColorType ct, SkAlphaType at, bool forceUpdate, bool isVolatile, bool doScale)
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: fColorType(ct)
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, fAlphaType(at)
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, fForceUpdate(forceUpdate)
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, fIsVolatile(isVolatile)
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, fDoScale(doScale)
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{}
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protected:
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const char* onGetName() override {
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fName.set("bitmap");
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fName.appendf("_%s%s", sk_tool_utils::colortype_name(fColorType),
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kOpaque_SkAlphaType == fAlphaType ? "" : "_A");
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if (fDoScale) {
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fName.append("_scale");
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}
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if (fForceUpdate) {
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fName.append("_update");
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}
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if (fIsVolatile) {
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fName.append("_volatile");
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}
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return fName.c_str();
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}
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void onDelayedSetup() override {
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SkBitmap bm;
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if (kIndex_8_SkColorType == fColorType) {
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bm.allocPixels(SkImageInfo::MakeN32(W, H, fAlphaType));
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} else {
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bm.allocPixels(SkImageInfo::Make(W, H, fColorType, fAlphaType));
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}
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bm.eraseColor(kOpaque_SkAlphaType == fAlphaType ? SK_ColorBLACK : 0);
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this->onDrawIntoBitmap(bm);
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if (kIndex_8_SkColorType == fColorType) {
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convertToIndex666(bm, &fBitmap, fAlphaType);
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} else {
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fBitmap = bm;
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}
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fBitmap.setIsVolatile(fIsVolatile);
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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if (fDoScale) {
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canvas->scale(.99f, .99f);
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}
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SkIPoint dim = this->getSize();
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SkRandom rand;
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SkPaint paint(fPaint);
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this->setupPaint(&paint);
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const SkBitmap& bitmap = fBitmap;
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const SkScalar x0 = SkIntToScalar(-bitmap.width() / 2);
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const SkScalar y0 = SkIntToScalar(-bitmap.height() / 2);
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for (int i = 0; i < loops; i++) {
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SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
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SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
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if (fForceUpdate)
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bitmap.notifyPixelsChanged();
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canvas->drawBitmap(bitmap, x, y, &paint);
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}
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}
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virtual void onDrawIntoBitmap(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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private:
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typedef Benchmark INHERITED;
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};
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/** Explicitly invoke some filter types to improve coverage of acceleration
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procs. */
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enum Flags {
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kScale_Flag = 1 << 0,
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kRotate_Flag = 1 << 1,
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kBilerp_Flag = 1 << 2,
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kBicubic_Flag = 1 << 3,
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};
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static bool isBilerp(uint32_t flags) {
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return (flags & (kBilerp_Flag | kBicubic_Flag)) == (kBilerp_Flag);
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}
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static bool isBicubic(uint32_t flags) {
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return (flags & (kBilerp_Flag | kBicubic_Flag)) == (kBilerp_Flag | kBicubic_Flag);
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}
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class FilterBitmapBench : public BitmapBench {
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uint32_t fFlags;
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SkString fFullName;
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public:
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FilterBitmapBench(SkColorType ct, SkAlphaType at,
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bool forceUpdate, bool isVolitile, uint32_t flags)
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: INHERITED(ct, at, forceUpdate, isVolitile, false)
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, fFlags(flags) {
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}
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protected:
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const char* onGetName() override {
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fFullName.set(INHERITED::onGetName());
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if (fFlags & kScale_Flag) {
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fFullName.append("_scale");
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}
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if (fFlags & kRotate_Flag) {
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fFullName.append("_rotate");
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}
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if (isBilerp(fFlags)) {
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fFullName.append("_bilerp");
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} else if (isBicubic(fFlags)) {
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fFullName.append("_bicubic");
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}
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return fFullName.c_str();
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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SkISize dim = canvas->getDeviceSize();
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if (fFlags & kScale_Flag) {
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const SkScalar x = SkIntToScalar(dim.fWidth) / 2;
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const SkScalar y = SkIntToScalar(dim.fHeight) / 2;
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canvas->translate(x, y);
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// just enough so we can't take the sprite case
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canvas->scale(SK_Scalar1 * 99/100, SK_Scalar1 * 99/100);
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canvas->translate(-x, -y);
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}
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if (fFlags & kRotate_Flag) {
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const SkScalar x = SkIntToScalar(dim.fWidth) / 2;
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const SkScalar y = SkIntToScalar(dim.fHeight) / 2;
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canvas->rotate(SkIntToScalar(35), x, y);
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}
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INHERITED::onDraw(loops, canvas);
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}
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void setupPaint(SkPaint* paint) override {
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this->INHERITED::setupPaint(paint);
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int index = 0;
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if (fFlags & kBilerp_Flag) {
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index |= 1;
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}
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if (fFlags & kBicubic_Flag) {
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index |= 2;
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}
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static const SkFilterQuality gQualitys[] = {
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kNone_SkFilterQuality,
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kLow_SkFilterQuality,
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kMedium_SkFilterQuality,
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kHigh_SkFilterQuality
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};
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paint->setFilterQuality(gQualitys[index]);
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}
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private:
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typedef BitmapBench INHERITED;
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};
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/** Verify optimizations that test source alpha values. */
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class SourceAlphaBitmapBench : public BitmapBench {
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public:
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enum SourceAlpha { kOpaque_SourceAlpha, kTransparent_SourceAlpha,
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kTwoStripes_SourceAlpha, kThreeStripes_SourceAlpha};
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private:
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SkString fFullName;
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SourceAlpha fSourceAlpha;
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public:
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SourceAlphaBitmapBench(SourceAlpha alpha, SkColorType ct,
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bool forceUpdate = false, bool bitmapVolatile = false)
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: INHERITED(ct, kPremul_SkAlphaType, forceUpdate, bitmapVolatile, false)
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, fSourceAlpha(alpha) {
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}
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protected:
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const char* onGetName() override {
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fFullName.set(INHERITED::onGetName());
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if (fSourceAlpha == kOpaque_SourceAlpha) {
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fFullName.append("_source_opaque");
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} else if (fSourceAlpha == kTransparent_SourceAlpha) {
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fFullName.append("_source_transparent");
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} else if (fSourceAlpha == kTwoStripes_SourceAlpha) {
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fFullName.append("_source_stripes_two");
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} else if (fSourceAlpha == kThreeStripes_SourceAlpha) {
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fFullName.append("_source_stripes_three");
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}
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return fFullName.c_str();
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}
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void onDrawIntoBitmap(const SkBitmap& bm) override {
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const int w = bm.width();
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const int h = bm.height();
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if (kOpaque_SourceAlpha == fSourceAlpha) {
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bm.eraseColor(SK_ColorBLACK);
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} else if (kTransparent_SourceAlpha == fSourceAlpha) {
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bm.eraseColor(0);
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} else if (kTwoStripes_SourceAlpha == fSourceAlpha) {
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bm.eraseColor(0);
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SkCanvas canvas(bm);
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SkPaint p;
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p.setAntiAlias(false);
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p.setStyle(SkPaint::kFill_Style);
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p.setColor(SK_ColorRED);
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// Draw red vertical stripes on transparent background
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SkRect r;
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for (int x = 0; x < w; x+=2)
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{
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r.set(SkIntToScalar(x), 0, SkIntToScalar(x+1), SkIntToScalar(h));
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canvas.drawRect(r, p);
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}
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} else if (kThreeStripes_SourceAlpha == fSourceAlpha) {
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bm.eraseColor(0);
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SkCanvas canvas(bm);
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SkPaint p;
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p.setAntiAlias(false);
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p.setStyle(SkPaint::kFill_Style);
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// Draw vertical stripes on transparent background with a pattern
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// where the first pixel is fully transparent, the next is semi-transparent
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// and the third is fully opaque.
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SkRect r;
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for (int x = 0; x < w; x++)
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{
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if (x % 3 == 0) {
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continue; // Keep transparent
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} else if (x % 3 == 1) {
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p.setColor(SkColorSetARGB(127, 127, 127, 127)); // Semi-transparent
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} else if (x % 3 == 2) {
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p.setColor(SK_ColorRED); // Opaque
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}
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r.set(SkIntToScalar(x), 0, SkIntToScalar(x+1), SkIntToScalar(h));
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canvas.drawRect(r, p);
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}
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}
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}
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private:
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typedef BitmapBench INHERITED;
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};
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DEF_BENCH( return new BitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, false); )
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DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, false); )
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DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, true); )
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DEF_BENCH( return new BitmapBench(kRGB_565_SkColorType, kOpaque_SkAlphaType, false, false, false); )
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DEF_BENCH( return new BitmapBench(kIndex_8_SkColorType, kPremul_SkAlphaType, false, false, false); )
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DEF_BENCH( return new BitmapBench(kIndex_8_SkColorType, kOpaque_SkAlphaType, false, false, false); )
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DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, true, false); )
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DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false, false); )
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// scale filter -> S32_opaque_D32_filter_DX_{SSE2,SSSE3} and Fact9 is also for S32_D16_filter_DX_SSE2
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kBilerp_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, kScale_Flag | kBilerp_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, true, kScale_Flag | kBilerp_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false, kScale_Flag | kBilerp_Flag); )
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// scale rotate filter -> S32_opaque_D32_filter_DXDY_{SSE2,SSSE3}
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, true, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kBilerp_Flag | kBicubic_Flag); )
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DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kRotate_Flag | kBilerp_Flag | kBicubic_Flag); )
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// source alpha tests -> S32A_Opaque_BlitRow32_{arm,neon}
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DEF_BENCH( return new SourceAlphaBitmapBench(SourceAlphaBitmapBench::kOpaque_SourceAlpha, kN32_SkColorType); )
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DEF_BENCH( return new SourceAlphaBitmapBench(SourceAlphaBitmapBench::kTransparent_SourceAlpha, kN32_SkColorType); )
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DEF_BENCH( return new SourceAlphaBitmapBench(SourceAlphaBitmapBench::kTwoStripes_SourceAlpha, kN32_SkColorType); )
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DEF_BENCH( return new SourceAlphaBitmapBench(SourceAlphaBitmapBench::kThreeStripes_SourceAlpha, kN32_SkColorType); )
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