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- /*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "bench/SKPBench.h"
- #include "include/core/SkMultiPictureDraw.h"
- #include "include/core/SkSurface.h"
- #include "tools/flags/CommandLineFlags.h"
- #include "include/gpu/GrContext.h"
- #include "src/gpu/GrContextPriv.h"
- // These CPU tile sizes are not good per se, but they are similar to what Chrome uses.
- static DEFINE_int(CPUbenchTileW, 256, "Tile width used for CPU SKP playback.");
- static DEFINE_int(CPUbenchTileH, 256, "Tile height used for CPU SKP playback.");
- static DEFINE_int(GPUbenchTileW, 1600, "Tile width used for GPU SKP playback.");
- static DEFINE_int(GPUbenchTileH, 512, "Tile height used for GPU SKP playback.");
- SKPBench::SKPBench(const char* name, const SkPicture* pic, const SkIRect& clip, SkScalar scale,
- bool useMultiPictureDraw, bool doLooping)
- : fPic(SkRef(pic))
- , fClip(clip)
- , fScale(scale)
- , fName(name)
- , fUseMultiPictureDraw(useMultiPictureDraw)
- , fDoLooping(doLooping) {
- fUniqueName.printf("%s_%.2g", name, scale); // Scale makes this unqiue for perf.skia.org traces.
- if (useMultiPictureDraw) {
- fUniqueName.append("_mpd");
- }
- }
- SKPBench::~SKPBench() {
- for (int i = 0; i < fSurfaces.count(); ++i) {
- fSurfaces[i]->unref();
- }
- }
- const char* SKPBench::onGetName() {
- return fName.c_str();
- }
- const char* SKPBench::onGetUniqueName() {
- return fUniqueName.c_str();
- }
- void SKPBench::onPerCanvasPreDraw(SkCanvas* canvas) {
- SkIRect bounds = canvas->getDeviceClipBounds();
- SkAssertResult(!bounds.isEmpty());
- const bool gpu = canvas->getGrContext() != nullptr;
- int tileW = gpu ? FLAGS_GPUbenchTileW : FLAGS_CPUbenchTileW,
- tileH = gpu ? FLAGS_GPUbenchTileH : FLAGS_CPUbenchTileH;
- tileW = SkTMin(tileW, bounds.width());
- tileH = SkTMin(tileH, bounds.height());
- int xTiles = SkScalarCeilToInt(bounds.width() / SkIntToScalar(tileW));
- int yTiles = SkScalarCeilToInt(bounds.height() / SkIntToScalar(tileH));
- fSurfaces.reserve(xTiles * yTiles);
- fTileRects.setReserve(xTiles * yTiles);
- SkImageInfo ii = canvas->imageInfo().makeWH(tileW, tileH);
- for (int y = bounds.fTop; y < bounds.fBottom; y += tileH) {
- for (int x = bounds.fLeft; x < bounds.fRight; x += tileW) {
- const SkIRect tileRect = SkIRect::MakeXYWH(x, y, tileW, tileH);
- *fTileRects.append() = tileRect;
- fSurfaces.emplace_back(canvas->makeSurface(ii));
- // Never want the contents of a tile to include stuff the parent
- // canvas clips out
- SkRect clip = SkRect::Make(bounds);
- clip.offset(-SkIntToScalar(tileRect.fLeft), -SkIntToScalar(tileRect.fTop));
- fSurfaces.back()->getCanvas()->clipRect(clip);
- fSurfaces.back()->getCanvas()->setMatrix(canvas->getTotalMatrix());
- fSurfaces.back()->getCanvas()->scale(fScale, fScale);
- }
- }
- }
- void SKPBench::onPerCanvasPostDraw(SkCanvas* canvas) {
- // Draw the last set of tiles into the master canvas in case we're
- // saving the images
- for (int i = 0; i < fTileRects.count(); ++i) {
- sk_sp<SkImage> image(fSurfaces[i]->makeImageSnapshot());
- canvas->drawImage(image,
- SkIntToScalar(fTileRects[i].fLeft), SkIntToScalar(fTileRects[i].fTop));
- }
- fSurfaces.reset();
- fTileRects.rewind();
- }
- bool SKPBench::isSuitableFor(Backend backend) {
- return backend != kNonRendering_Backend;
- }
- SkIPoint SKPBench::onGetSize() {
- return SkIPoint::Make(fClip.width(), fClip.height());
- }
- void SKPBench::onDraw(int loops, SkCanvas* canvas) {
- SkASSERT(fDoLooping || 1 == loops);
- while (1) {
- if (fUseMultiPictureDraw) {
- this->drawMPDPicture();
- } else {
- this->drawPicture();
- }
- if (0 == --loops) {
- break;
- }
- // Ensure the GrContext doesn't combine ops across draw loops.
- if (GrContext* context = canvas->getGrContext()) {
- context->flush();
- }
- }
- }
- void SKPBench::drawMPDPicture() {
- SkMultiPictureDraw mpd;
- for (int j = 0; j < fTileRects.count(); ++j) {
- SkMatrix trans;
- trans.setTranslate(-fTileRects[j].fLeft/fScale,
- -fTileRects[j].fTop/fScale);
- mpd.add(fSurfaces[j]->getCanvas(), fPic.get(), &trans);
- }
- // We flush after each picture to more closely model how Chrome rasterizes tiles.
- mpd.draw(/*flush = */ true);
- }
- void SKPBench::drawPicture() {
- for (int j = 0; j < fTileRects.count(); ++j) {
- const SkMatrix trans = SkMatrix::MakeTrans(-fTileRects[j].fLeft / fScale,
- -fTileRects[j].fTop / fScale);
- fSurfaces[j]->getCanvas()->drawPicture(fPic.get(), &trans, nullptr);
- }
- for (int j = 0; j < fTileRects.count(); ++j) {
- fSurfaces[j]->getCanvas()->flush();
- }
- }
- #include "src/gpu/GrGpu.h"
- static void draw_pic_for_stats(SkCanvas* canvas, GrContext* context, const SkPicture* picture,
- SkTArray<SkString>* keys, SkTArray<double>* values) {
- context->priv().resetGpuStats();
- canvas->drawPicture(picture);
- canvas->flush();
- context->priv().dumpGpuStatsKeyValuePairs(keys, values);
- context->priv().dumpCacheStatsKeyValuePairs(keys, values);
- }
- void SKPBench::getGpuStats(SkCanvas* canvas, SkTArray<SkString>* keys, SkTArray<double>* values) {
- // we do a special single draw and then dump the key / value pairs
- GrContext* context = canvas->getGrContext();
- if (!context) {
- return;
- }
- // TODO refactor this out if we want to test other subclasses of skpbench
- context->flush();
- context->freeGpuResources();
- context->resetContext();
- context->priv().getGpu()->resetShaderCacheForTesting();
- draw_pic_for_stats(canvas, context, fPic.get(), keys, values);
- }
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