Adjust tolerance to fix GPU hairline curve issues

BUG=chromium:472847

Review URL: https://codereview.chromium.org/1126793003

diff --git a/src/gpu/GrAAHairLinePathRenderer.cpp b/src/gpu/GrAAHairLinePathRenderer.cpp
index ba6dcecd43d08340bd57deac5a2dec20219c2a77..2749e4d3be0f859606b2f2c75d6658d51652a757 100644 (file)
--- a/src/gpu/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/GrAAHairLinePathRenderer.cpp
@@ -171,7 +171,7 @@ static int chop_conic(const SkPoint src[3], SkConic dst[4], const SkScalar weigh
 // in this case approx the path with lines
 // otherwise returns 1
 static int is_degen_quad_or_conic(const SkPoint p[3], SkScalar* dsqd) {
-    static const SkScalar gDegenerateToLineTol = SK_Scalar1;
+    static const SkScalar gDegenerateToLineTol = GrPathUtils::kDefaultTolerance;
     static const SkScalar gDegenerateToLineTolSqd =
         SkScalarMul(gDegenerateToLineTol, gDegenerateToLineTol);