c7f7f467df
(This CL will certainly trigger performance regression alerts. Tiled drawing is slower than non-tiled drawing.) BUG=skia: Review URL: https://codereview.chromium.org/669983002
56 lines
1.5 KiB
C++
56 lines
1.5 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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DECLARE_int32(benchTile);
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SKPBench::SKPBench(const char* name, const SkPicture* pic, const SkIRect& clip, SkScalar scale)
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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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fUniqueName.printf("%s_%.2g", name, scale); // Scale makes this unqiue for skiaperf.com traces.
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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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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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SkIRect bounds;
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SkAssertResult(canvas->getClipDeviceBounds(&bounds));
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SkAutoCanvasRestore overall(canvas, true/*save now*/);
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canvas->scale(fScale, fScale);
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for (int i = 0; i < loops; i++) {
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for (int y = bounds.fTop; y < bounds.fBottom; y += FLAGS_benchTile) {
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for (int x = bounds.fLeft; x < bounds.fRight; x += FLAGS_benchTile) {
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SkAutoCanvasRestore perTile(canvas, true/*save now*/);
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canvas->clipRect(SkRect::Make(
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SkIRect::MakeXYWH(x, y, FLAGS_benchTile, FLAGS_benchTile)));
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fPic->playback(canvas);
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}
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}
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canvas->flush();
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}
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}
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