diff options
| author |  Jim Van Verth <jvanverth@google.com> | 2016-12-19 14:45:19 -0500 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2016-12-19 20:37:56 +0000 |
| commit | 6750e91544b98b839c3148baef996ab2860233a4 (patch) | |
| tree | 9a7e8446703cf2776737d8cd05bac6179228f937 /src/gpu/ops/GrOvalOpFactory.cpp | |
| parent | 2410717f900c2691db880d84a2e03a6a24905ee2 (diff) | |
Fix precision errors in large circle rendering.
BUG=skia:6044
Change-Id: I2ff2a80e1e6798ad18d1c8ec97e8b0fcc731e9af
Reviewed-on: https://skia-review.googlesource.com/6281
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Diffstat (limited to 'src/gpu/ops/GrOvalOpFactory.cpp')
| -rw-r--r-- | src/gpu/ops/GrOvalOpFactory.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gpu/ops/GrOvalOpFactory.cpp b/src/gpu/ops/GrOvalOpFactory.cpp index b4213ea9a4..7a53ca6655 100644 --- a/src/gpu/ops/GrOvalOpFactory.cpp +++ b/src/gpu/ops/GrOvalOpFactory.cpp @@ -82,7 +82,8 @@ public: fInPosition = &this->addVertexAttrib("inPosition", kVec2f_GrVertexAttribType, kHigh_GrSLPrecision); fInColor = &this->addVertexAttrib("inColor", kVec4ub_GrVertexAttribType); - fInCircleEdge = &this->addVertexAttrib("inCircleEdge", kVec4f_GrVertexAttribType); + fInCircleEdge = &this->addVertexAttrib("inCircleEdge", kVec4f_GrVertexAttribType, + kHigh_GrSLPrecision); if (clipPlane) { fInClipPlane = &this->addVertexAttrib("inClipPlane", kVec3f_GrVertexAttribType); } else { @@ -129,8 +130,9 @@ private: // emit attributes varyingHandler->emitAttributes(cgp); - fragBuilder->codeAppend("vec4 circleEdge;"); - varyingHandler->addPassThroughAttribute(cgp.fInCircleEdge, "circleEdge"); + fragBuilder->codeAppend("highp vec4 circleEdge;"); + varyingHandler->addPassThroughAttribute(cgp.fInCircleEdge, "circleEdge", + kHigh_GrSLPrecision); if (cgp.fInClipPlane) { fragBuilder->codeAppend("vec3 clipPlane;"); varyingHandler->addPassThroughAttribute(cgp.fInClipPlane, "clipPlane"); @@ -161,7 +163,7 @@ private: cgp.fLocalMatrix, args.fFPCoordTransformHandler); - fragBuilder->codeAppend("float d = length(circleEdge.xy);"); + fragBuilder->codeAppend("highp float d = length(circleEdge.xy);"); fragBuilder->codeAppend("float distanceToOuterEdge = circleEdge.z * (1.0 - d);"); fragBuilder->codeAppend("float edgeAlpha = clamp(distanceToOuterEdge, 0.0, 1.0);"); if (cgp.fStroke) { |