diff --git a/src/gpu/GrPipeline.cpp b/src/gpu/GrPipeline.cpp
index a246c85..c03a8dd 100644
--- a/src/gpu/GrPipeline.cpp
+++ b/src/gpu/GrPipeline.cpp
@@ -99,7 +99,15 @@
     }
 }
 
-uint32_t GrPipeline::getBlendInfoKey() const {
+void GrPipeline::genKey(GrProcessorKeyBuilder* b, const GrCaps& caps) const {
+    // kSnapVerticesToPixelCenters is implemented in a shader.
+    InputFlags ignoredFlags = InputFlags::kSnapVerticesToPixelCenters;
+    if (!caps.multisampleDisableSupport()) {
+        // Ganesh will omit kHWAntialias regardless multisampleDisableSupport.
+        ignoredFlags |= InputFlags::kHWAntialias;
+    }
+    b->add32((uint32_t)fFlags & ~(uint32_t)ignoredFlags);
+
     const GrXferProcessor::BlendInfo& blendInfo = this->getXferProcessor().getBlendInfo();
 
     static const uint32_t kBlendWriteShift = 1;
@@ -107,10 +115,10 @@
     GR_STATIC_ASSERT(kLast_GrBlendCoeff < (1 << kBlendCoeffShift));
     GR_STATIC_ASSERT(kFirstAdvancedGrBlendEquation - 1 < 4);
 
-    uint32_t key = blendInfo.fWriteColor;
-    key |= (blendInfo.fSrcBlend << kBlendWriteShift);
-    key |= (blendInfo.fDstBlend << (kBlendWriteShift + kBlendCoeffShift));
-    key |= (blendInfo.fEquation << (kBlendWriteShift + 2 * kBlendCoeffShift));
+    uint32_t blendKey = blendInfo.fWriteColor;
+    blendKey |= (blendInfo.fSrcBlend << kBlendWriteShift);
+    blendKey |= (blendInfo.fDstBlend << (kBlendWriteShift + kBlendCoeffShift));
+    blendKey |= (blendInfo.fEquation << (kBlendWriteShift + 2 * kBlendCoeffShift));
 
-    return key;
+    b->add32(blendKey);
 }