Add gms and benchmarks for drawing blurry round rects.
Further changes (https://codereview.chromium.org/48623006) will change
the speed at which the bench draws and the drawing of the gm (the gm
change is small).
One of these round rects causes slow drawing in a webpage that we have
observed.
BUG=https://b.corp.google.com/issue?id=11174385
Review URL: https://codereview.chromium.org/52793005
git-svn-id: http://skia.googlecode.com/svn/trunk@12133 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/blurroundrect.cpp b/gm/blurroundrect.cpp
new file mode 100644
index 0000000..c416d7a
--- /dev/null
+++ b/gm/blurroundrect.cpp
@@ -0,0 +1,211 @@
+/*
+* Copyright 2013 Google Inc.
+*
+* Use of this source code is governed by a BSD-style license that can be
+* found in the LICENSE file.
+*/
+
+#include "gm.h"
+#include "SkBlurMask.h"
+#include "SkBlurMaskFilter.h"
+#include "SkCanvas.h"
+#include "SkColorFilter.h"
+#include "SkLayerDrawLooper.h"
+#include "SkPaint.h"
+#include "SkPath.h"
+#include "SkPoint.h"
+#include "SkRect.h"
+#include "SkRRect.h"
+#include "SkString.h"
+#include "SkXfermode.h"
+
+class BlurRoundRectGM : public skiagm::GM {
+public:
+ BlurRoundRectGM(int width, int height,
+ // X and Y radii for the upper left corner
+ int ulX, int ulY,
+ // X and Y radii for the upper right corner
+ int urX, int urY,
+ // X and Y radii for the lower right corner
+ int lrX, int lrY,
+ // X and Y radii for the lower left corner
+ int llX, int llY,
+ int scaleX, int scaleY)
+ : fName("blurroundrect")
+ , fWidth(width)
+ , fHeight(height)
+ , fScaleX(scaleX)
+ , fScaleY(scaleY) {
+ fName.appendf("-WH[%ix%i]-UL[%ix%i]-UR[%ix%i]-LR[%ix%i]-LL[%ix%i]-scale[%ix%i]",
+ width, height,
+ ulX, ulY,
+ urX, urY,
+ lrX, lrY,
+ llX, llY,
+ scaleX, scaleY);
+ SkVector radii[4];
+ radii[0].set(SkIntToScalar(ulX), SkIntToScalar(ulY));
+ radii[1].set(SkIntToScalar(urX), SkIntToScalar(urY));
+ radii[2].set(SkIntToScalar(lrX), SkIntToScalar(lrY));
+ radii[3].set(SkIntToScalar(llX), SkIntToScalar(llY));
+ SkRect r = SkRect::MakeWH(fWidth, fHeight);
+ fRRect.setRectRadii(r, radii);
+ }
+
+ virtual SkString onShortName() SK_OVERRIDE {
+ return fName;
+ }
+
+ virtual SkISize onISize() SK_OVERRIDE {
+ SkISize size = this->getUnscaledSize();
+ return SkISize::Make(SkScalarCeilToInt(SkScalarMul(size.fWidth, fScaleX)),
+ SkScalarCeilToInt(SkScalarMul(size.fHeight, fScaleY)));
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ canvas->scale(fScaleX, fScaleY);
+ }
+
+ const SkRRect& getRRect() const {
+ return fRRect;
+ }
+
+ // The subclass will implement this to inform us how big they
+ // draw before scaling.
+ virtual SkISize getUnscaledSize() const = 0;
+
+ // So subclasses can modify the name.
+ SkString* getName() {
+ return &fName;
+ }
+
+private:
+ SkString fName;
+ const int fWidth;
+ const int fHeight;
+ const SkScalar fScaleX;
+ const SkScalar fScaleY;
+ SkRRect fRRect;
+ typedef skiagm::GM INHERITED;
+};
+
+class SKPBlurRoundRectGM : public BlurRoundRectGM {
+public:
+ SKPBlurRoundRectGM(int width, int height,
+ int ulX, int ulY,
+ int urX, int urY,
+ int lrX, int lrY,
+ int llX, int llY,
+ int scaleX, int scaleY)
+ : INHERITED(width, height, ulX, ulY, urX, urY, lrX, lrY, llX, llY, scaleX, scaleY) {
+ this->getName()->prepend("skp-");
+ }
+
+protected:
+ virtual SkISize getUnscaledSize() const SK_OVERRIDE {
+ return SkISize::Make(this->getRRect().rect().width(),
+ this->getRRect().rect().height());
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ this->INHERITED::onDraw(canvas);
+ SkLayerDrawLooper* looper = new SkLayerDrawLooper;
+ {
+ SkLayerDrawLooper::LayerInfo info;
+ info.fFlagsMask = 0;
+ info.fPaintBits = 40;
+ info.fColorMode = SkXfermode::kSrc_Mode;
+ info.fOffset = SkPoint::Make(SkIntToScalar(-1), SkIntToScalar(0));
+ info.fPostTranslate = false;
+ SkPaint* paint = looper->addLayerOnTop(info);
+ SkMaskFilter* maskFilter = SkBlurMaskFilter::Create(SK_ScalarHalf,
+ SkBlurMaskFilter::kNormal_BlurStyle,
+ SkBlurMaskFilter::kHighQuality_BlurFlag);
+ paint->setMaskFilter(maskFilter)->unref();
+ SkColorFilter* colorFilter = SkColorFilter::CreateModeFilter(4279308561,
+ SkXfermode::kSrcIn_Mode);
+ paint->setColorFilter(colorFilter)->unref();
+ paint->setColor(4278190080);
+ }
+ {
+ SkLayerDrawLooper::LayerInfo info;
+ looper->addLayerOnTop(info);
+ }
+ SkPaint paint;
+ canvas->drawRect(this->getRRect().rect(), paint);
+
+ paint.setLooper(looper)->unref();
+ paint.setColor(4293848814);
+ paint.setAntiAlias(true);
+
+ canvas->drawRRect(this->getRRect(), paint);
+ }
+
+private:
+ typedef BlurRoundRectGM INHERITED;
+};
+
+class SimpleBlurRoundRectGM : public BlurRoundRectGM {
+public:
+ SimpleBlurRoundRectGM(int width, int height,
+ int blurRadius, int cornerRadius,
+ int scaleX = 1, int scaleY = 1)
+ : INHERITED(width, height, cornerRadius, cornerRadius,
+ cornerRadius, cornerRadius, cornerRadius,
+ cornerRadius, cornerRadius, cornerRadius, scaleX, scaleY)
+ , fBlurRadius(blurRadius) {
+ // For now at least, change the name to reflect only the
+ // variables that are changing.
+ this->getName()->printf("blurround-blur[%i]-corner[%i]-scale[%ix%i]", fBlurRadius, cornerRadius, scaleX, scaleY);
+ }
+
+protected:
+ virtual SkISize getUnscaledSize() const SK_OVERRIDE {
+ return SkISize::Make(this->getRRect().rect().width() + 20,
+ this->getRRect().rect().height() + 20);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ // Handle the scaling.
+ this->INHERITED::onDraw(canvas);
+ canvas->translate(10, 10);
+ SkMaskFilter* filter = SkBlurMaskFilter::Create(fBlurRadius,
+ SkBlurMaskFilter::kNormal_BlurStyle);
+ SkPaint paint;
+ paint.setColor(SK_ColorBLUE);
+ paint.setMaskFilter(filter)->unref();
+ canvas->drawRRect(this->getRRect(), paint);
+ }
+private:
+ const int fBlurRadius;
+
+ typedef BlurRoundRectGM INHERITED;
+};
+
+// Create one with dimensions/rounded corners based on the skp
+DEF_GM(return new SKPBlurRoundRectGM(600, 5514, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1);)
+// Same radii, much smaller rectangle
+DEF_GM(return new SKPBlurRoundRectGM(100, 100, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2);)
+// Rounded rect with two opposite corners with large radii, the other two
+// small.
+DEF_GM(return new SKPBlurRoundRectGM(100, 100, 30, 30, 10, 10, 30, 30, 10, 10, 3, 4);)
+DEF_GM(return new SKPBlurRoundRectGM(100, 100, 90, 90, 90, 90, 90, 90, 90, 90, 2, 3);)
+
+// Try a few blur values with a small corner radius
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 1, 1));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 3, 1, 2, 2));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 6, 1));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 10, 1, 3, 3));
+
+// Now a few blur values with a larger corner radius
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 1, 3, 2, 2));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 3, 3));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 6, 3, 3, 3));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 10, 3));
+
+// Even larger corner radius
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 1, 6, 2, 4));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 3, 6));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 6, 6));
+DEF_GM(return new SimpleBlurRoundRectGM(100, 100, 10, 6, 1, 3));
+