AuroraMiddleware/skia2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Revert of Add HardStopGradientBench.cpp (patchset #3 id:40001 of https://codereview.chromium.org/2131643002/ )

Browse Source 
Reason for revert:
Segfaulting on HardStopGradientBench; didn't allocate enough stack memory for color/position arrays.

Original issue's description:
> Add HardStopGradientBench.cpp
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2131643002
>
> Committed: https://skia.googlesource.com/skia/+/d0d652e0e0cb4bcecb7ccac9f4f4831fcaccdc45

TBR=bsalomon@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review-Url: https://codereview.chromium.org/2140603003
This commit is contained in:
fmenozzi 2016-07-11 09:30:25 -07:00 committed by Commit bot
parent 810efb57b7
commit ffa185d3cf
1 changed files with 0 additions and 118 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

118
bench/HardStopGradientBench.cpp
View File

@ -1,118 +0,0 @@
/*
* Copyright 2016 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 "SkShader.h"
#include "SkGradientShader.h"
#include "SkString.h"
#include "SkColor.h"
#include "SkPaint.h"
static const char* get_tilemode_name(SkShader::TileMode tilemode) {
switch (tilemode) {
case SkShader::kClamp_TileMode:
return "clamp";
case SkShader::kRepeat_TileMode:
return "repeat";
case SkShader::kMirror_TileMode:
return "mirror";
default:
SkDEBUGFAIL("Unknown tilemode");
return "error";
}
}
class HardStopGradientBench : public Benchmark {
public:
HardStopGradientBench(SkShader::TileMode tilemode, int count) {
fName.printf("hardstop_%s_%03d_colors", get_tilemode_name(tilemode), count);
fTileMode = tilemode;
fColorCount = count;
}
const char* onGetName() override {
return fName.c_str();
}
SkIPoint onGetSize() override {
return SkIPoint::Make(kSize, kSize);
}
void onPreDraw(SkCanvas* canvas) override {
// Left to right
SkPoint points[2] = {
SkPoint::Make(0, kSize/2),
SkPoint::Make(kSize-1, kSize/2),
};
// "Evenly spaced" colors
SkColor colors[50];
for (int i = 0; i < fColorCount; i++) {
colors[i] = i * (0xffffffff / fColorCount);
}
// Create a hard stop
SkScalar positions[50];
positions[0] = 0.0f;
positions[1] = 0.0f;
for (int i = 2; i < fColorCount; i++) {
// Evenly spaced afterwards
positions[i] = i / (fColorCount - 1.0f);
}
fPaint.setShader(SkGradientShader::MakeLinear(points,
colors,
positions,
fColorCount,
fTileMode,
0,
nullptr));
}
/*
* Draw simple linear gradient from left to right
*/
void onDraw(int loops, SkCanvas* canvas) override {
for (int i = 0; i < loops; i++) {
canvas->drawPaint(fPaint);
}
}
private:
static const int kSize = 500;
SkShader::TileMode fTileMode;
SkString fName;
int fColorCount;
SkPaint fPaint;
typedef Benchmark INHERITED;
};
// Clamp
DEF_BENCH(return new HardStopGradientBench(SkShader::kClamp_TileMode, 5);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kClamp_TileMode, 10);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kClamp_TileMode, 25);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kClamp_TileMode, 50);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kClamp_TileMode, 100);)
// Repeat
DEF_BENCH(return new HardStopGradientBench(SkShader::kRepeat_TileMode, 5);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kRepeat_TileMode, 10);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kRepeat_TileMode, 25);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kRepeat_TileMode, 50);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kRepeat_TileMode, 100);)
// Mirror
DEF_BENCH(return new HardStopGradientBench(SkShader::kMirror_TileMode, 5);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kMirror_TileMode, 10);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kMirror_TileMode, 25);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kMirror_TileMode, 50);)
DEF_BENCH(return new HardStopGradientBench(SkShader::kMirror_TileMode, 100);)