From a0a66c118392fdc6f84f18ac634473468e31becb Mon Sep 17 00:00:00 2001 From: "robertphillips@google.com" Date: Fri, 22 Jun 2012 13:14:29 +0000 Subject: [PATCH] Fix clipping of ovals on top & right http://codereview.appspot.com/6294091/ git-svn-id: http://skia.googlecode.com/svn/trunk@4303 2bbb7eff-a529-9590-31e7-b0007b416f81 --- src/gpu/GrContext.cpp | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp index fc2b143..0fada64 100644 --- a/src/gpu/GrContext.cpp +++ b/src/gpu/GrContext.cpp @@ -1126,10 +1126,13 @@ void GrContext::drawOval(const GrPaint& paint, CircleVertex* verts = reinterpret_cast(geo.vertices()); - SkScalar L = center.fX - outerRadius; - SkScalar R = center.fX + outerRadius; - SkScalar T = center.fY - outerRadius; - SkScalar B = center.fY + outerRadius; + // The fragment shader will extend the radius out half a pixel + // to antialias. Expand the drawn rect here so all the pixels + // will be captured. + SkScalar L = center.fX - outerRadius - SkFloatToScalar(0.5f); + SkScalar R = center.fX + outerRadius + SkFloatToScalar(0.5f); + SkScalar T = center.fY - outerRadius - SkFloatToScalar(0.5f); + SkScalar B = center.fY + outerRadius + SkFloatToScalar(0.5f); verts[0].fPos = SkPoint::Make(L, T); verts[1].fPos = SkPoint::Make(R, T); -- 2.7.4