Add Geometry processor to srcAlphaWillBeOne check.

src/gpu/GrDrawState.cpp

Index: src/gpu/GrDrawState.cpp
diff --git a/src/gpu/GrDrawState.cpp b/src/gpu/GrDrawState.cpp
index e1fa6da8774307cf1c115db2ba64d6e772e857a6..c4b8154852084847e1dbb205e5a0b367015f0a9a 100644
--- a/src/gpu/GrDrawState.cpp
+++ b/src/gpu/GrDrawState.cpp
@@ -747,6 +747,10 @@ bool GrDrawState::srcAlphaWillBeOne() const {
             inoutCoverage.fColor = this->getCoverageColor();
         }
 
+        if (this->hasGeometryProcessor()) {
+            fGeometryProcessor->computeInvariantOutput(&inoutCoverage);
+        }
+
         // Run through the coverage stages
         for (int s = 0; s < this->numCoverageStages(); ++s) {
             const GrProcessor* processor = this->getCoverageStage(s).getProcessor();