Replace fWillReadFragmentPosition with a bitfield

src/gpu/effects/GrRRectEffect.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 "GrRRectEffect.h"
 
 #include "GrConvexPolyEffect.h"
@@ skipping 79 matching lines @@
 void CircularRRectEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     inout->mulByUnknownSingleComponent();
 }
 
 CircularRRectEffect::CircularRRectEffect(GrPrimitiveEdgeType edgeType, uint32_t circularCornerFlags,
                                          const SkRRect& rrect)
     : fRRect(rrect)
     , fEdgeType(edgeType)
     , fCircularCornerFlags(circularCornerFlags) {
     this->initClassID<CircularRRectEffect>();
-    this->setWillReadFragmentPosition();
+    this->enableBuiltInState(kFragmentPosition_BuiltInState);
 }
 
 bool CircularRRectEffect::onIsEqual(const GrFragmentProcessor& other) const {
     const CircularRRectEffect& crre = other.cast<CircularRRectEffect>();
     // The corner flags are derived from fRRect, so no need to check them.
     return fEdgeType == crre.fEdgeType && fRRect == crre.fRRect;
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
@@ skipping 314 matching lines @@
 }
 
 void EllipticalRRectEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     inout->mulByUnknownSingleComponent();
 }
 
 EllipticalRRectEffect::EllipticalRRectEffect(GrPrimitiveEdgeType edgeType, const SkRRect& rrect)
     : fRRect(rrect)
     , fEdgeType(edgeType) {
     this->initClassID<EllipticalRRectEffect>();
-    this->setWillReadFragmentPosition();
+    this->enableBuiltInState(kFragmentPosition_BuiltInState);
 }
 
 bool EllipticalRRectEffect::onIsEqual(const GrFragmentProcessor& other) const {
     const EllipticalRRectEffect& erre = other.cast<EllipticalRRectEffect>();
     return fEdgeType == erre.fEdgeType && fRRect == erre.fRRect;
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(EllipticalRRectEffect);
@@ skipping 323 matching lines @@
                 if (rrect.isNinePatch()) {
                     return EllipticalRRectEffect::Create(edgeType, rrect);
                 }
                 return nullptr;
             }
         }
     }
 
     return nullptr;
 }