Make all GrFragmentProcessors GL independent.

include/gpu/GrFragmentProcessor.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 GrFragmentProcessor_DEFINED
 #define GrFragmentProcessor_DEFINED
 
 #include "GrProcessor.h"
 
 class GrCoordTransform;
 class GrGLSLCaps;
-class GrGLFragmentProcessor;
+class GrGLSLFragmentProcessor;
 class GrInvariantOutput;
 class GrProcessorKeyBuilder;
 
 /** Provides custom fragment shader code. Fragment processors receive an input color (vec4f) and
     produce an output color. They may reference textures and uniforms. They may use
     GrCoordTransforms to receive a transformation of the local coordinates that map from local space
     to the fragment being processed.
  */
 class GrFragmentProcessor : public GrProcessor {
 public:
@@ skipping 30 matching lines @@
     static const GrFragmentProcessor* RunInSeries(const GrFragmentProcessor*[], int cnt);
 
     GrFragmentProcessor()
         : INHERITED()
         , fUsesLocalCoords(false)
         , fNumTexturesExclChildren(0)
         , fNumTransformsExclChildren(0) {}
 
     ~GrFragmentProcessor() override;
 
-    GrGLFragmentProcessor* createGLInstance() const;
+    GrGLSLFragmentProcessor* createGLInstance() const;
 
     void getGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const {
         this->onGetGLProcessorKey(caps, b);
         for (int i = 0; i < fChildProcessors.count(); ++i) {
             fChildProcessors[i]->getGLProcessorKey(caps, b);
         }
     }
 
     int numTexturesExclChildren() const { return fNumTexturesExclChildren; }
 
@@ skipping 82 matching lines @@
      * procs' output invariants; computeInvariantOutput will not be recursive.
      */
     virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const = 0;
 
 private:
     void notifyRefCntIsZero() const final;
 
     /** Returns a new instance of the appropriate *GL* implementation class
         for the given GrFragmentProcessor; caller is responsible for deleting
         the object. */
-    virtual GrGLFragmentProcessor* onCreateGLInstance() const = 0;
+    virtual GrGLSLFragmentProcessor* onCreateGLInstance() const = 0;
 
     /** Implemented using GLFragmentProcessor::GenKey as described in this class's comment. */
     virtual void onGetGLProcessorKey(const GrGLSLCaps& caps,
                                      GrProcessorKeyBuilder* b) const = 0;
 
     /**
      * Subclass implements this to support isEqual(). It will only be called if it is known that
      * the two processors are of the same subclass (i.e. they return the same object from
      * getFactory()). The processor subclass should not compare its coord transforms as that will
      * be performed automatically in the non-virtual isEqual().
@@ skipping 33 matching lines @@
     int                                          fNumTransformsExclChildren;
 
     // TODO: These must convert their processors to pending-execution refs when the parent is
     // converted (do this automatically in GrProgramElement?).
     SkTArray<const GrFragmentProcessor*, true>   fChildProcessors;
 
     typedef GrProcessor INHERITED;
 };
 
 #endif