Stop flattening GrCoordTransforms in parent GrFragmentProcessors.

src/gpu/glsl/GrGLSLProgramBuilder.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLSLProgramBuilder_DEFINED
 #define GrGLSLProgramBuilder_DEFINED
 
@@ skipping 121 matching lines @@
         GrGLSLProgramBuilder* fPB;
     };
 
     // Generates a possibly mangled name for a stage variable and writes it to the fragment shader.
     // If GrGLSLExpr4 has a valid name then it will use that instead
     void nameExpression(GrGLSLExpr4*, const char* baseName);
 
     void emitAndInstallPrimProc(const GrPrimitiveProcessor&,
                                 GrGLSLExpr4* outputColor,
                                 GrGLSLExpr4* outputCoverage);
-    void emitAndInstallFragProcs(int procOffset, int numProcs, GrGLSLExpr4* inOut);
+    void emitAndInstallFragProcs(GrGLSLExpr4* colorInOut, GrGLSLExpr4* coverageInOut);
     void emitAndInstallFragProc(const GrFragmentProcessor&,
                                 int index,
+                                int transformedCoordVarsIdx,
                                 const GrGLSLExpr4& input,
                                 GrGLSLExpr4* output);
     void emitAndInstallXferProc(const GrXferProcessor&,
                                 const GrGLSLExpr4& colorIn,
                                 const GrGLSLExpr4& coverageIn,
                                 bool ignoresCoverage,
                                 GrPixelLocalStorageState plsState);
 
     void emitSamplers(const GrProcessor& processor,
                       SkTArray<SamplerHandle>* outTexSamplers,
                       SkTArray<SamplerHandle>* outBufferSamplers);
     void emitSampler(GrSLType samplerType,
                      GrPixelConfig,
                      const char* name,
                      GrShaderFlags visibility,
                      SkTArray<SamplerHandle>* outSamplers);
     void emitFSOutputSwizzle(bool hasSecondaryOutput);
     bool checkSamplerCounts();
 
 #ifdef SK_DEBUG
     void verify(const GrPrimitiveProcessor&);
     void verify(const GrXferProcessor&);
     void verify(const GrFragmentProcessor&);
 #endif
 
-    GrGLSLPrimitiveProcessor::TransformsIn     fCoordTransforms;
-    GrGLSLPrimitiveProcessor::TransformsOut    fOutCoords;
-    int                                        fNumVertexSamplers;
-    int                                        fNumGeometrySamplers;
-    int                                        fNumFragmentSamplers;
+    int                         fNumVertexSamplers;
+    int                         fNumGeometrySamplers;
+    int                         fNumFragmentSamplers;
+    SkSTArray<4, GrShaderVar>   fTransformedCoordVars;
 };
 
 #endif