Update XPF invariant info to not account for conflation

src/gpu/effects/GrCoverageSetOpXP.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "effects/GrCoverageSetOpXP.h"
 #include "GrCaps.h"
@@ skipping 212 matching lines @@
 }
 
 GrXferProcessor*
 GrCoverageSetOpXPFactory::onCreateXferProcessor(const GrCaps& caps,
                                                 const GrProcOptInfo& colorPOI,
                                                 const GrProcOptInfo& covPOI,
                                                 const DstTexture* dst) const {
     return CoverageSetOpXP::Create(fRegionOp, fInvertCoverage);
 }
 
-void GrCoverageSetOpXPFactory::getInvariantOutput(const GrProcOptInfo& colorPOI,
-                                                  const GrProcOptInfo& coveragePOI,
-                                                  GrXPFactory::InvariantOutput* output) const {
-    if (SkRegion::kReplace_Op == fRegionOp) {
-        if (coveragePOI.isSolidWhite()) {
-            output->fBlendedColor = GrColor_WHITE;
-            output->fBlendedColorFlags = kRGBA_GrColorComponentFlags;
-        } else {
-            output->fBlendedColorFlags = 0;
-        }
-
-        output->fWillBlendWithDst = false;
-    } else {
-        output->fBlendedColorFlags = 0;
-        output->fWillBlendWithDst = true;
-    }
+void GrCoverageSetOpXPFactory::getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
+                                                        InvariantBlendedColor* blendedColor) const {
+    blendedColor->fWillBlendWithDst = SkRegion::kReplace_Op != fRegionOp;
+    blendedColor->fKnownColorFlags = kNone_GrColorComponentFlags;
 }
 
 GR_DEFINE_XP_FACTORY_TEST(GrCoverageSetOpXPFactory);
 
 GrXPFactory* GrCoverageSetOpXPFactory::TestCreate(SkRandom* random,
                                                   GrContext*,
                                                   const GrCaps&,
                                                   GrTexture*[]) {
     SkRegion::Op regionOp = SkRegion::Op(random->nextULessThan(SkRegion::kLastOp + 1));
     bool invertCoverage = random->nextBool();
     return GrCoverageSetOpXPFactory::Create(regionOp, invertCoverage);
 }