Update XPF invariant info to not account for conflation

src/gpu/effects/GrCustomXfermode.cpp

Index: src/gpu/effects/GrCustomXfermode.cpp
diff --git a/src/gpu/effects/GrCustomXfermode.cpp b/src/gpu/effects/GrCustomXfermode.cpp
index 295922391833ed25b2bd03072ab278d65d0410db..fc90409b365210664f03e87c7bbd7e177539c10c 100644
--- a/src/gpu/effects/GrCustomXfermode.cpp
+++ b/src/gpu/effects/GrCustomXfermode.cpp
@@ -809,11 +809,11 @@ bool GrCustomXPFactory::willReadDstColor(const GrCaps& caps,
     return !can_use_hw_blend_equation(fHWBlendEquation, coveragePOI, caps);
 }
 
-void GrCustomXPFactory::getInvariantOutput(const GrProcOptInfo& colorPOI,
-                                               const GrProcOptInfo& coveragePOI,
-                                               GrXPFactory::InvariantOutput* output) const {
-    output->fWillBlendWithDst = true;
-    output->fBlendedColorFlags = 0;
+void GrCustomXPFactory::getInvariantBlendedColor(const GrProcOptInfo& /*colorPOI*/,

[bsalomon, 2015/06/02 13:44:33]

ditto

+                                                 const GrProcOptInfo& /*coveragePOI*/,
+                                                 InvariantBlendedColor* blendedColor) const {
+    blendedColor->fWillBlendWithDst = true;
+    blendedColor->fKnownColorFlags = kNone_GrColorComponentFlags;
 }
 
 GR_DEFINE_XP_FACTORY_TEST(GrCustomXPFactory);