Move most of the transform logic into the primitive processors

src/gpu/GrProgramDesc.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrProgramDesc_DEFINED
 #define GrProgramDesc_DEFINED
 
@@ skipping 65 matching lines @@
 
     int numTotalEffects() const { return this->numColorEffects() + this->numCoverageEffects(); }
 
     // This should really only be used internally, base classes should return their own headers
     const KeyHeader& header() const { return *this->atOffset<KeyHeader, kHeaderOffset>(); }
 
     // A struct to communicate descriptor information to the program descriptor builder
     struct DescInfo {
         bool operator==(const DescInfo& that) const {
             return fReadsDst == that.fReadsDst &&
-                   fReadsFragPosition == that.fReadsFragPosition &&
-                   fRequiresLocalCoordAttrib == that.fRequiresLocalCoordAttrib;
+                   fReadsFragPosition == that.fReadsFragPosition;
         }
         bool operator!=(const DescInfo& that) const { return !(*this == that); };
 
         // These flags give aggregated info on the processor stages that are used when building
         // programs.
         bool            fReadsDst;
         bool            fReadsFragPosition;
-        bool            fRequiresLocalCoordAttrib;
     };
 
 private:
     template<typename T, size_t OFFSET> T* atOffset() {
         return reinterpret_cast<T*>(reinterpret_cast<intptr_t>(fKey.begin()) + OFFSET);
     }
 
     template<typename T, size_t OFFSET> const T* atOffset() const {
         return reinterpret_cast<const T*>(reinterpret_cast<intptr_t>(fKey.begin()) + OFFSET);
     }
@@ skipping 29 matching lines @@
         kPreAllocSize = kHeaderOffset + kHeaderSize +
                         kMaxPreallocProcessors * sizeof(uint32_t) * kIntsPerProcessor,
     };
 
     SkSTArray<kPreAllocSize, uint8_t, true> fKey;
 
     friend class GrGLProgramDescBuilder;
 };
 
 #endif