You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
3.6 KiB
98 lines
3.6 KiB
4 months ago
|
/*
|
||
|
|
* 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 "Benchmark.h"
|
||
|
|
#include "SkCanvas.h"
|
||
|
|
#include "SkColor.h"
|
||
|
|
#include "SkPaint.h"
|
||
|
|
#include "SkPicture.h"
|
||
|
|
#include "SkPictureRecorder.h"
|
||
|
|
#include "SkPoint.h"
|
||
|
|
#include "SkRandom.h"
|
||
|
|
#include "SkRect.h"
|
||
|
|
#include "SkString.h"
|
||
|
|
|
||
|
|
// This is designed to emulate about 4 screens of textual content
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
// Chrome draws into small tiles with impl-side painting.
|
||
|
|
// This benchmark measures the relative performance of our bounding-box hierarchies,
|
||
|
|
// both when querying tiles perfectly and when not.
|
||
|
|
enum BBH { kNone, kRTree };
|
||
|
|
enum Mode { kTiled, kRandom };
|
||
|
|
class TiledPlaybackBench : public Benchmark {
|
||
|
|
public:
|
||
|
|
TiledPlaybackBench(BBH bbh, Mode mode) : fBBH(bbh), fMode(mode), fName("tiled_playback") {
|
||
|
|
switch (fBBH) {
|
||
|
|
case kNone: fName.append("_none" ); break;
|
||
|
|
case kRTree: fName.append("_rtree" ); break;
|
||
|
|
}
|
||
|
|
switch (fMode) {
|
||
|
|
case kTiled: fName.append("_tiled" ); break;
|
||
|
|
case kRandom: fName.append("_random"); break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const char* onGetName() override { return fName.c_str(); }
|
||
|
|
SkIPoint onGetSize() override { return SkIPoint::Make(1024,1024); }
|
||
|
|
|
||
|
|
void onDelayedSetup() override {
|
||
|
|
std::unique_ptr<SkBBHFactory> factory;
|
||
|
|
switch (fBBH) {
|
||
|
|
case kNone: break;
|
||
|
|
case kRTree: factory.reset(new SkRTreeFactory); break;
|
||
|
|
}
|
||
|
|
|
||
|
|
SkPictureRecorder recorder;
|
||
|
|
SkCanvas* canvas = recorder.beginRecording(1024, 1024, factory.get());
|
||
|
|
SkRandom rand;
|
||
|
|
for (int i = 0; i < 10000; i++) {
|
||
|
|
SkScalar x = rand.nextRangeScalar(0, 1024),
|
||
|
|
y = rand.nextRangeScalar(0, 1024),
|
||
|
|
w = rand.nextRangeScalar(0, 128),
|
||
|
|
h = rand.nextRangeScalar(0, 128);
|
||
|
|
SkPaint paint;
|
||
|
|
paint.setColor(rand.nextU());
|
||
|
|
paint.setAlpha(0xFF);
|
||
|
|
canvas->drawRect(SkRect::MakeXYWH(x,y,w,h), paint);
|
||
|
|
}
|
||
|
|
fPic = recorder.finishRecordingAsPicture();
|
||
|
|
}
|
||
|
|
|
||
|
|
void onDraw(int loops, SkCanvas* canvas) override {
|
||
|
|
for (int i = 0; i < loops; i++) {
|
||
|
|
// This inner loop guarantees we make the same choices for all bench variants.
|
||
|
|
SkRandom rand;
|
||
|
|
for (int j = 0; j < 10; j++) {
|
||
|
|
SkScalar x = 0, y = 0;
|
||
|
|
switch (fMode) {
|
||
|
|
case kTiled: x = SkScalar(256 * rand.nextULessThan(4));
|
||
|
|
y = SkScalar(256 * rand.nextULessThan(4));
|
||
|
|
break;
|
||
|
|
case kRandom: x = rand.nextRangeScalar(0, 768);
|
||
|
|
y = rand.nextRangeScalar(0, 768);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
SkAutoCanvasRestore ar(canvas, true/*save now*/);
|
||
|
|
canvas->clipRect(SkRect::MakeXYWH(x,y,256,256));
|
||
|
|
fPic->playback(canvas);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
BBH fBBH;
|
||
|
|
Mode fMode;
|
||
|
|
SkString fName;
|
||
|
|
sk_sp<SkPicture> fPic;
|
||
|
|
};
|
||
|
|
|
||
|
|
DEF_BENCH( return new TiledPlaybackBench(kNone, kRandom); )
|
||
|
|
DEF_BENCH( return new TiledPlaybackBench(kNone, kTiled ); )
|
||
|
|
DEF_BENCH( return new TiledPlaybackBench(kRTree, kRandom); )
|
||
|
|
DEF_BENCH( return new TiledPlaybackBench(kRTree, kTiled ); )
|