Remove support in GPU backend for distance vector field.
Also, remvoes SkNormalBevelSource as this was the last use case for the distance vector field.
Change-Id: Ib0176c78e500e6b5130310934253a75860245812
Reviewed-on: https://skia-review.googlesource.com/18482
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp
index a37c173..1996a94 100644
--- a/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp
+++ b/src/gpu/effects/GrBlurredEdgeFragmentProcessor.cpp
@@ -21,17 +21,8 @@
GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
fragBuilder->codeAppendf("vec4 color = %s;", args.fInputColor);
- if (!args.fGpImplementsDistanceVector) {
- fragBuilder->codeAppendf("// assuming interpolant is set in vertex colors\n");
- fragBuilder->codeAppendf("float factor = 1.0 - color.a;");
- } else {
- fragBuilder->codeAppendf("// using distance to edge to compute interpolant\n");
- fragBuilder->codeAppend("float radius = color.r*256.0*64.0 + color.g*64.0;");
- fragBuilder->codeAppend("float pad = color.b*64.0;");
-
- fragBuilder->codeAppendf("float factor = 1.0 - clamp((%s.z - pad)/radius, 0.0, 1.0);",
- fragBuilder->distanceVectorName());
- }
+ fragBuilder->codeAppendf("// assuming interpolant is set in vertex colors\n");
+ fragBuilder->codeAppendf("float factor = 1.0 - color.a;");
switch (mode) {
case GrBlurredEdgeFP::kGaussian_Mode:
fragBuilder->codeAppend("factor = exp(-factor * factor * 4.0) - 0.018;");