Moved GrGLFragmentProcessor definition to its own file

src/gpu/gl/GrGLProcessor.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLProcessor_DEFINED
 #define GrGLProcessor_DEFINED
 
@@ skipping 47 matching lines @@
         UniformHandle fSamplerUniform;
         uint32_t      fConfigComponentMask;
         char          fSwizzle[5];
 
         friend class GrGLShaderBuilder;
     };
 
     typedef SkTArray<TextureSampler> TextureSamplerArray;
 };
 
-class GrGLFPBuilder;
-
-class GrGLFragmentProcessor {
-public:
-    GrGLFragmentProcessor() {}
-
-    virtual ~GrGLFragmentProcessor() {}
-
-    typedef GrGLProgramDataManager::UniformHandle UniformHandle;
-    typedef GrGLProcessor::TransformedCoordsArray TransformedCoordsArray;
-    typedef GrGLProcessor::TextureSamplerArray TextureSamplerArray;
-
-    /** Called when the program stage should insert its code into the shaders. The code in each
-        shader will be in its own block ({}) and so locally scoped names will not collide across
-        stages.
-
-        @param builder      Interface used to emit code in the shaders.
-        @param processor    The processor that generated this program stage.
-        @param key          The key that was computed by GenKey() from the generating GrProcessor.
-        @param outputColor  A predefined vec4 in the FS in which the stage should place its output
-                            color (or coverage).
-        @param inputColor   A vec4 that holds the input color to the stage in the FS. This may be
-                            NULL in which case the implied input is solid white (all ones).
-                            TODO: Better system for communicating optimization info (e.g. input
-                            color is solid white, trans black, known to be opaque, etc.) that allows
-                            the processor to communicate back similar known info about its output.
-        @param samplers     Contains one entry for each GrTextureAccess of the GrProcessor. These
-                            can be passed to the builder to emit texture reads in the generated
-                            code.
-        TODO this should take a struct
-        */
-    virtual void emitCode(GrGLFPBuilder* builder,
-                          const GrFragmentProcessor&,
-                          const char* outputColor,
-                          const char* inputColor,
-                          const TransformedCoordsArray& coords,
-                          const TextureSamplerArray& samplers) = 0;
-
-    /** A GrGLFragmentProcessor instance can be reused with any GrFragmentProcessor that produces
-        the same stage key; this function reads data from a GrFragmentProcessor and uploads any
-        uniform variables required by the shaders created in emitCode(). The GrFragmentProcessor
-        parameter is guaranteed to be of the same type that created this GrGLFragmentProcessor and
-        to have an identical processor key as the one that created this GrGLFragmentProcessor.  */
-    // TODO update this to pass in GrFragmentProcessor
-    virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) {}
-
-    static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*) {}
-
-private:
-    typedef GrGLProcessor INHERITED;
-};
-
 #endif