Make edge equations be flat interpolated in GrTextureOp

This only applies when the interpolants-are-inaccurate workaround is in play

Change-Id: I1cd8cbbfdc6f7f8f1764eeb588b2962d2d115340
Reviewed-on: https://skia-review.googlesource.com/104020
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/gpu/ops/GrTextureOp.cpp b/src/gpu/ops/GrTextureOp.cpp
index 565a65883d..2aeb49beb6 100644
--- a/src/gpu/ops/GrTextureOp.cpp
+++ b/src/gpu/ops/GrTextureOp.cpp
@@ -189,7 +189,8 @@ public:
                         for (int i = 0; i < 4; ++i) {
                             SkString name;
                             name.printf("aaEdge%d", i);
-                            args.fVaryingHandler->addVarying(name.c_str(), &aaEdgeVarying[i]);
+                            args.fVaryingHandler->addVarying(name.c_str(), &aaEdgeVarying[i],
+                                                             Interpolation::kCanBeFlat);
                             args.fVertBuilder->codeAppendf(
                                     "%s = aaEdge%d;", aaEdgeVarying[i].vsOut(), i);
                         }