Move shader precision out of GrShaderVar

src/gpu/gl/builders/GrGLProgramBuilder.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 "GrGLProgramBuilder.h"
 #include "gl/GrGLProgram.h"
 #include "gl/GrGLSLPrettyPrint.h"
@@ skipping 85 matching lines @@
     , fStageIndex(-1)
     , fGeometryProcessor(NULL)
     , fOptState(optState)
     , fDesc(optState.programDesc())
     , fGpu(gpu)
     , fUniforms(kVarsPerBlock) {
 }
 
 void GrGLProgramBuilder::addVarying(const char* name,
                                     GrGLVarying* varying,
-                                    GrGLShaderVar::Precision fsPrecision) {
+                                    GrSLPrecision fsPrecision) {
     SkASSERT(varying);
     if (varying->vsVarying()) {
         fVS.addVarying(name, varying);
     }
     if (fOptState.hasGeometryProcessor() && fOptState.getGeometryProcessor()->willUseGeoShader()) {
         fGS.addVarying(name, varying);
     }
     if (varying->fsVarying()) {
         fFS.addVarying(varying, fsPrecision);
     }
@@ skipping 48 matching lines @@
     }
     this->nameVariable(uni.fVariable.accessName(), prefix, name);
     uni.fVariable.setArrayCount(count);
     uni.fVisibility = visibility;
 
     // If it is visible in both the VS and FS, the precision must match.
     // We declare a default FS precision, but not a default VS. So set the var
     // to use the default FS precision.
     if ((kVertex_Visibility | kFragment_Visibility) == visibility) {
         // the fragment and vertex precisions must match
-        uni.fVariable.setPrecision(GrShaderVar::kDefault_Precision);
+        uni.fVariable.setPrecision(kDefault_GrSLPrecision);
     }
 
     if (outName) {
         *outName = uni.fVariable.c_str();
     }
     return GrGLProgramDataManager::UniformHandle::CreateFromUniformIndex(fUniforms.count() - 1);
 }
 
 void GrGLProgramBuilder::appendUniformDecls(ShaderVisibility visibility,
                                             SkString* out) const {
@@ skipping 361 matching lines @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() {
     int numProcs = fProcs.count();
     for (int e = 0; e < numProcs; ++e) {
         SkDELETE(fProcs[e]);
     }
 }