138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
/*
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* Copyright 2014 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 "SKPBench.h"
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#include "SkCommandLineFlags.h"
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#include "SkMultiPictureDraw.h"
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#include "SkSurface.h"
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DEFINE_int32(benchTileW, 1600, "Tile width used for SKP playback.");
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DEFINE_int32(benchTileH, 512, "Tile height used for SKP playback.");
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SKPBench::SKPBench(const char* name, const SkPicture* pic, const SkIRect& clip, SkScalar scale,
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bool useMultiPictureDraw)
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: fPic(SkRef(pic))
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, fClip(clip)
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, fScale(scale)
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, fName(name)
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, fUseMultiPictureDraw(useMultiPictureDraw) {
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fUniqueName.printf("%s_%.2g", name, scale); // Scale makes this unqiue for perf.skia.org traces.
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if (useMultiPictureDraw) {
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fUniqueName.append("_mpd");
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}
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}
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SKPBench::~SKPBench() {
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for (int i = 0; i < fSurfaces.count(); ++i) {
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fSurfaces[i]->unref();
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}
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}
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const char* SKPBench::onGetName() {
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return fName.c_str();
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}
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const char* SKPBench::onGetUniqueName() {
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return fUniqueName.c_str();
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}
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void SKPBench::onPerCanvasPreDraw(SkCanvas* canvas) {
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SkIRect bounds;
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SkAssertResult(canvas->getClipDeviceBounds(&bounds));
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int tileW = SkTMin(FLAGS_benchTileW, bounds.width());
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int tileH = SkTMin(FLAGS_benchTileH, bounds.height());
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int xTiles = SkScalarCeilToInt(bounds.width() / SkIntToScalar(tileW));
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int yTiles = SkScalarCeilToInt(bounds.height() / SkIntToScalar(tileH));
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fSurfaces.setReserve(xTiles * yTiles);
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fTileRects.setReserve(xTiles * yTiles);
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SkImageInfo ii = canvas->imageInfo().makeWH(tileW, tileH);
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for (int y = bounds.fTop; y < bounds.fBottom; y += tileH) {
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for (int x = bounds.fLeft; x < bounds.fRight; x += tileW) {
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const SkIRect tileRect = SkIRect::MakeXYWH(x, y, tileW, tileH);
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*fTileRects.append() = tileRect;
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*fSurfaces.push() = canvas->newSurface(ii);
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// Never want the contents of a tile to include stuff the parent
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// canvas clips out
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SkRect clip = SkRect::Make(bounds);
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clip.offset(-SkIntToScalar(tileRect.fLeft), -SkIntToScalar(tileRect.fTop));
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fSurfaces.top()->getCanvas()->clipRect(clip);
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fSurfaces.top()->getCanvas()->setMatrix(canvas->getTotalMatrix());
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fSurfaces.top()->getCanvas()->scale(fScale, fScale);
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}
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}
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}
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void SKPBench::onPerCanvasPostDraw(SkCanvas* canvas) {
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// Draw the last set of tiles into the master canvas in case we're
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// saving the images
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for (int i = 0; i < fTileRects.count(); ++i) {
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SkAutoTUnref<SkImage> image(fSurfaces[i]->newImageSnapshot());
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canvas->drawImage(image,
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SkIntToScalar(fTileRects[i].fLeft), SkIntToScalar(fTileRects[i].fTop));
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SkSafeSetNull(fSurfaces[i]);
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}
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fSurfaces.rewind();
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fTileRects.rewind();
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}
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bool SKPBench::isSuitableFor(Backend backend) {
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return backend != kNonRendering_Backend;
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}
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SkIPoint SKPBench::onGetSize() {
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return SkIPoint::Make(fClip.width(), fClip.height());
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}
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void SKPBench::onDraw(const int loops, SkCanvas* canvas) {
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if (fUseMultiPictureDraw) {
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for (int i = 0; i < loops; i++) {
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this->drawMPDPicture();
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}
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} else {
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for (int i = 0; i < loops; i++) {
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this->drawPicture();
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}
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}
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}
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void SKPBench::drawMPDPicture() {
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SkMultiPictureDraw mpd;
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for (int j = 0; j < fTileRects.count(); ++j) {
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SkMatrix trans;
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trans.setTranslate(-fTileRects[j].fLeft/fScale,
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-fTileRects[j].fTop/fScale);
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mpd.add(fSurfaces[j]->getCanvas(), fPic, &trans);
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}
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mpd.draw();
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for (int j = 0; j < fTileRects.count(); ++j) {
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fSurfaces[j]->getCanvas()->flush();
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}
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}
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void SKPBench::drawPicture() {
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for (int j = 0; j < fTileRects.count(); ++j) {
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const SkMatrix trans = SkMatrix::MakeTrans(-fTileRects[j].fLeft / fScale,
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-fTileRects[j].fTop / fScale);
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fSurfaces[j]->getCanvas()->drawPicture(fPic, &trans, NULL);
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}
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for (int j = 0; j < fTileRects.count(); ++j) {
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fSurfaces[j]->getCanvas()->flush();
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}
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}
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