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Remove quantization of device-space dest rect for Ganesh analytic rrect blurs

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At least on Windows, this fixes a lot of the horrible banded blurs. AFAICT there is no good reason to quantize the device space rect passed to the GrRectBlurEffect.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2262263002

Review-Url: https://codereview.chromium.org/2262263002
This commit is contained in:
robertphillips 2016-08-22 11:48:44 -07:00 committed by Commit bot
parent 6bf233176f
commit 3a0c3696f0
1 changed files with 2 additions and 2 deletions
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4
src/effects/SkBlurMaskFilter.cpp
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@ -1034,8 +1034,8 @@ bool SkBlurMaskFilterImpl::directFilterMaskGPU(GrTextureProvider* texProvider,
SkRect rect; SkRect rect;
if (path.isRect(&rect)) { if (path.isRect(&rect)) {
int pad = SkScalarCeilToInt(6*xformedSigma)/2; SkScalar pad = 3.0f * xformedSigma;
rect.outset(SkIntToScalar(pad), SkIntToScalar(pad)); rect.outset(pad, pad);
fp = GrRectBlurEffect::Make(texProvider, rect, xformedSigma); fp = GrRectBlurEffect::Make(texProvider, rect, xformedSigma);
} else if (path.isOval(&rect) && SkScalarNearlyEqual(rect.width(), rect.height())) { } else if (path.isOval(&rect) && SkScalarNearlyEqual(rect.width(), rect.height())) {