skia2/bench/ImageFilterDAGBench.cpp
Florin Malita ab244f045a Revert "Revert "Reland: Remove SkLights include from SkCanvas.h""
This reverts commit 9d5f66d9c2.

Reason for revert: Leon landed Android fixes.

Original change's description:
> Revert "Reland: Remove SkLights include from SkCanvas.h"
> 
> This reverts commit fed00319c9.
> 
> Reason for revert: breaking the Android roll.
> 
> Original change's description:
> > Reland: Remove SkLights include from SkCanvas.h
> > 
> > SkLights.h pulls in a bunch of other headers and is not needed (fwdecl
> > works fine).
> > 
> > Change-Id: I3ed97cd7861e51dcb7cfa7950a97b420dbc6fbfb
> > TBR=reed@google.com
> > Reviewed-on: https://skia-review.googlesource.com/15143
> > Commit-Queue: Florin Malita <fmalita@chromium.org>
> > Reviewed-by: Florin Malita <fmalita@chromium.org>
> > 
> 
> TBR=fmalita@chromium.org,reed@google.com
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> 
> Change-Id: I3b0e69f1d04d160f16a5567b09982d35cc9ca84e
> Reviewed-on: https://skia-review.googlesource.com/15195
> Reviewed-by: Florin Malita <fmalita@chromium.org>
> Commit-Queue: Florin Malita <fmalita@chromium.org>
> 

TBR=msarett@google.com,reviews@skia.org,fmalita@chromium.org,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I0a1c2f9df61f16987ab72dfb4f3a205fbcc37667
Reviewed-on: https://skia-review.googlesource.com/15229
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2017-05-03 19:17:11 +00:00

127 lines
3.9 KiB
C++

/*
* 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 "Benchmark.h"
#include "Resources.h"
#include "SkBlurImageFilter.h"
#include "SkDisplacementMapEffect.h"
#include "SkCanvas.h"
#include "SkImage.h"
#include "SkMergeImageFilter.h"
// Exercise a blur filter connected to 5 inputs of the same merge filter.
// This bench shows an improvement in performance once cacheing of re-used
// nodes is implemented, since the DAG is no longer flattened to a tree.
class ImageFilterDAGBench : public Benchmark {
public:
ImageFilterDAGBench() {}
protected:
const char* onGetName() override {
return "image_filter_dag";
}
void onDraw(int loops, SkCanvas* canvas) override {
const SkRect rect = SkRect::Make(SkIRect::MakeWH(400, 400));
for (int j = 0; j < loops; j++) {
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(20.0f, 20.0f, nullptr));
sk_sp<SkImageFilter> inputs[kNumInputs];
SkBlendMode modes[kNumInputs];
for (int i = 0; i < kNumInputs; ++i) {
inputs[i] = blur;
modes[i] = SkBlendMode::kSrcOver;
}
SkPaint paint;
paint.setImageFilter(SkMergeImageFilter::MakeN(inputs, kNumInputs, modes));
canvas->drawRect(rect, paint);
}
}
private:
static const int kNumInputs = 5;
typedef Benchmark INHERITED;
};
class ImageMakeWithFilterDAGBench : public Benchmark {
public:
ImageMakeWithFilterDAGBench() {}
protected:
const char* onGetName() override {
return "image_make_with_filter_dag";
}
void onDelayedSetup() override {
fImage = GetResourceAsImage("mandrill_512.png");
}
void onDraw(int loops, SkCanvas* canvas) override {
SkIRect subset = SkIRect::MakeSize(fImage->dimensions());
SkIPoint offset = SkIPoint::Make(0, 0);
SkIRect discardSubset;
sk_sp<SkImage> image = fImage;
for (int j = 0; j < loops; j++) {
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(20.0f, 20.0f, nullptr));
sk_sp<SkImageFilter> inputs[kNumInputs];
SkBlendMode modes[kNumInputs];
for (int i = 0; i < kNumInputs; ++i) {
inputs[i] = blur;
modes[i] = SkBlendMode::kSrcOver;
}
sk_sp<SkImageFilter> mergeFilter = SkMergeImageFilter::MakeN(inputs, kNumInputs, modes);
image = image->makeWithFilter(mergeFilter.get(), subset, subset, &discardSubset,
&offset);
SkASSERT(image && image->dimensions() == fImage->dimensions());
}
}
private:
static const int kNumInputs = 5;
sk_sp<SkImage> fImage;
typedef Benchmark INHERITED;
};
// Exercise a blur filter connected to both inputs of an SkDisplacementMapEffect.
class ImageFilterDisplacedBlur : public Benchmark {
public:
ImageFilterDisplacedBlur() {}
protected:
const char* onGetName() override {
return "image_filter_displaced_blur";
}
void onDraw(int loops, SkCanvas* canvas) override {
for (int j = 0; j < loops; j++) {
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(4.0f, 4.0f, nullptr));
auto xSelector = SkDisplacementMapEffect::kR_ChannelSelectorType;
auto ySelector = SkDisplacementMapEffect::kB_ChannelSelectorType;
SkScalar scale = 2;
SkPaint paint;
paint.setImageFilter(SkDisplacementMapEffect::Make(xSelector, ySelector, scale,
blur, blur));
SkRect rect = SkRect::Make(SkIRect::MakeWH(400, 400));
canvas->drawRect(rect, paint);
}
}
private:
typedef Benchmark INHERITED;
};
DEF_BENCH(return new ImageFilterDAGBench;)
DEF_BENCH(return new ImageMakeWithFilterDAGBench;)
DEF_BENCH(return new ImageFilterDisplacedBlur;)