Added varying struct

src/gpu/gl/builders/GrGLFragmentShaderBuilder.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 "GrGLFragmentShaderBuilder.h"
 #include "GrGLShaderStringBuilder.h"
 #include "GrGLProgramBuilder.h"
@@ skipping 328 matching lines @@
     // ES 3.00 requires custom color output but doesn't support bindFragDataLocation
     if (fHasCustomColorOutput &&
         kGLES_GrGLStandard != fProgramBuilder->gpu()->ctxInfo().standard()) {
         GL_CALL(BindFragDataLocation(programID, 0, declared_color_output_name()));
     }
     if (fHasSecondaryOutput) {
         GL_CALL(BindFragDataLocationIndexed(programID, 0, 1, dual_source_output_name()));
     }
 }
 
-void GrGLFragmentShaderBuilder::addVarying(GrSLType type,
-               const char* name,
-               const char** fsInName,
-               GrGLShaderVar::Precision fsPrecision) {
-    fInputs.push_back().set(type, GrGLShaderVar::kVaryingIn_TypeModifier, name, fsPrecision);
-    if (fsInName) {
-        *fsInName = name;
+void GrGLFragmentShaderBuilder::addVarying(GrGLVarying* v, GrGLShaderVar::Precision fsPrec) {
+    v->fFsIn = v->fVsOut;
+    if (v->fGsOut) {
+        v->fFsIn = v->fGsOut;
     }
+    fInputs.push_back().set(v->fType, GrGLShaderVar::kVaryingIn_TypeModifier, v->fFsIn, fsPrec);
 }