GrGLSLShaderBuilder::appendTextureLookupAndBlend

Change-Id: Ifbc80e31a7a56cd40734cb174b77a5860a94a323
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/254682
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/src/gpu/ops/GrLatticeOp.cpp b/src/gpu/ops/GrLatticeOp.cpp
index c42f351..24931c0 100644
--- a/src/gpu/ops/GrLatticeOp.cpp
+++ b/src/gpu/ops/GrLatticeOp.cpp
@@ -77,8 +77,9 @@
                                                               args.fOutputColor,
                                                               Interpolation::kCanBeFlat);
                 args.fFragBuilder->codeAppendf("%s = ", args.fOutputColor);
-                args.fFragBuilder->appendTextureLookupAndModulate(
+                args.fFragBuilder->appendTextureLookupAndBlend(
                         args.fOutputColor,
+                        SkBlendMode::kModulate,
                         args.fTexSamplers[0],
                         "clamp(textureCoords, textureDomain.xy, textureDomain.zw)",
                         kFloat2_GrSLType,