GrFP can express distance vector field req., program builder declares variable for it

src/gpu/GrPipelineBuilder.cpp

Index: src/gpu/GrPipelineBuilder.cpp
diff --git a/src/gpu/GrPipelineBuilder.cpp b/src/gpu/GrPipelineBuilder.cpp
index e142de25a337ec22aa679602f1430c8cccc07867..12313cb476a5940d572ec28827741d0830fe3ec2 100644
--- a/src/gpu/GrPipelineBuilder.cpp
+++ b/src/gpu/GrPipelineBuilder.cpp
@@ -41,6 +41,8 @@ GrPipelineBuilder::GrPipelineBuilder(const GrPaint& paint, bool useHWAA)
                    paint.getDisableOutputConversionToSRGB());
     this->setState(GrPipelineBuilder::kAllowSRGBInputs_Flag,
                    paint.getAllowSRGBInputs());
+    this->setState(GrPipelineBuilder::kUsesDistanceVectorField_Flag,
+                   paint.usesDistanceVectorField());
 }
 
 //////////////////////////////////////////////////////////////////////////////s