Initialize test textures for ProcessorOptimizationValidationTest.

Ensure the data in the RGBA texture is premul.

Reenable the "modulation" optimization flag on GrAlphaThresholdFragmentProcessor.

Change-Id: I49ef215cee83ea74526c589bcee4bc215bc28ba4
Reviewed-on: https://skia-review.googlesource.com/8323
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/src/effects/GrAlphaThresholdFragmentProcessor.cpp b/src/effects/GrAlphaThresholdFragmentProcessor.cpp
index 9a90b2a51e..45a7b65cb4 100644
--- a/src/effects/GrAlphaThresholdFragmentProcessor.cpp
+++ b/src/effects/GrAlphaThresholdFragmentProcessor.cpp
@@ -33,11 +33,10 @@ sk_sp<GrFragmentProcessor> GrAlphaThresholdFragmentProcessor::Make(
 }
 
 inline GrFragmentProcessor::OptimizationFlags GrAlphaThresholdFragmentProcessor::OptFlags(float outerThreshold) {
-    // TODO: Advertise that this processor modulates.
     if (outerThreshold >= 1.f) {
-        return kPreservesOpaqueInput_OptimizationFlag;
+        return kPreservesOpaqueInput_OptimizationFlag | kModulatesInput_OptimizationFlag;
     } else {
-        return kNone_OptimizationFlags;
+        return kModulatesInput_OptimizationFlag;
     }
 }