diff options
| -rw-r--r-- | src/gpu/GrAAHairLinePathRenderer.cpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/gpu/GrAAHairLinePathRenderer.cpp b/src/gpu/GrAAHairLinePathRenderer.cpp index 76b6a68528..b58f6af220 100644 --- a/src/gpu/GrAAHairLinePathRenderer.cpp +++ b/src/gpu/GrAAHairLinePathRenderer.cpp @@ -738,8 +738,6 @@ bool GrAAHairLinePathRenderer::createLineGeom(const SkPath& path, const SkMatrix& viewM = drawState->getViewMatrix(); - devBounds->outset(SK_Scalar1, SK_Scalar1); - int vertCnt = kVertsPerLineSeg * lineCnt; drawState->setVertexAttribs<gHairlineLineAttribs>(SK_ARRAY_COUNT(gHairlineLineAttribs)); @@ -763,9 +761,10 @@ bool GrAAHairLinePathRenderer::createLineGeom(const SkPath& path, for (int i = 0; i < lineCnt; ++i) { add_line(&lines[2*i], toSrc, drawState->getCoverage(), &verts); } - // All the verts computed by add_line are within unit distance of the end points. Add a little - // extra to account for vector normalization precision. - static const SkScalar kOutset = SK_Scalar1 + SK_Scalar1 / 20; + // All the verts computed by add_line are within sqrt(1^2 + 0.5^2) of the end points. + static const SkScalar kSqrtOfOneAndAQuarter = SkFloatToScalar(1.118f); + // Add a little extra to account for vector normalization precision. + static const SkScalar kOutset = kSqrtOfOneAndAQuarter + SK_Scalar1 / 20; devBounds->outset(kOutset, kOutset); return true; @@ -937,8 +936,8 @@ bool GrAAHairLinePathRenderer::onDrawPath(const SkPath& path, GrDrawState* drawState = target->drawState(); // Check devBounds -// SkASSERT(check_bounds<LineVertex>(drawState, devBounds, arg.vertices(), -// kVertsPerLineSeg * lineCnt)); + SkASSERT(check_bounds<LineVertex>(drawState, devBounds, arg.vertices(), + kVertsPerLineSeg * lineCnt)); { GrDrawState::AutoRestoreEffects are(drawState); |