Move GLSL-specific routines/classes to separate glsl directory

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 "GrGLProgramBuilder.h"
-#include "../GrGLGpu.h"
+#include "gl/GrGLGpu.h"
+#include "gl/GrGLGLSL.h"
+#include "glsl/GrGLSLCaps.h"
 
 #define GL_CALL(X) GR_GL_CALL(fProgramBuilder->gpu()->glInterface(), X)
 #define GL_CALL_RET(R, X) GR_GL_CALL_RET(fProgramBuilder->gpu()->glInterface(), R, X)
 
 const char* GrGLFragmentShaderBuilder::kDstTextureColorName = "_dstColor";
 static const char* declared_color_output_name() { return "fsColorOut"; }
 static const char* dual_source_output_name() { return "dualSourceOut"; }
 
 static const char* specific_layout_qualifier_name(GrBlendEquation equation) {
     SkASSERT(GrBlendEquationIsAdvanced(equation));
@@ skipping 221 matching lines @@
     return fHasCustomColorOutput ? declared_color_output_name() : "gl_FragColor";
 }
 
 const char* GrGLFragmentShaderBuilder::getSecondaryColorOutputName() const {
     return dual_source_output_name();
 }
 
 bool GrGLFragmentShaderBuilder::compileAndAttachShaders(GrGLuint programId,
                                                         SkTDArray<GrGLuint>* shaderIds) {
     GrGLGpu* gpu = fProgramBuilder->gpu();
-    this->versionDecl() = GrGetGLSLVersionDecl(gpu->ctxInfo());
-    GrGLSLAppendDefaultFloatPrecisionDeclaration(kDefault_GrSLPrecision,
-                                                 gpu->glStandard(),
-                                                 &this->precisionQualifier());
+    this->versionDecl() = GrGLGetGLSLVersionDecl(gpu->ctxInfo());
+    GrGLAppendGLSLDefaultFloatPrecisionDeclaration(kDefault_GrSLPrecision,
+                                                   gpu->glStandard(),
+                                                   &this->precisionQualifier());
     this->compileAndAppendLayoutQualifiers();
     fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kFragment_Visibility,
                                         &this->uniforms());
     this->appendDecls(fInputs, &this->inputs());
     // We shouldn't have declared outputs on 1.10
     SkASSERT(k110_GrGLSLGeneration != gpu->glslGeneration() || fOutputs.empty());
     this->appendDecls(fOutputs, &this->outputs());
     return this->finalize(programId, GR_GL_FRAGMENT_SHADER, shaderIds);
 }
 
 void GrGLFragmentShaderBuilder::bindFragmentShaderLocations(GrGLuint programID) {
     if (fHasCustomColorOutput && fProgramBuilder->gpu()->glCaps().bindFragDataLocationSupport()) {
         GL_CALL(BindFragDataLocation(programID, 0, declared_color_output_name()));
     }
     if (fHasSecondaryOutput) {
         GL_CALL(BindFragDataLocationIndexed(programID, 0, 1, dual_source_output_name()));
     }
 }
 
 void GrGLFragmentShaderBuilder::addVarying(GrGLVarying* v, GrSLPrecision fsPrec) {
     v->fFsIn = v->fVsOut;
     if (v->fGsOut) {
         v->fFsIn = v->fGsOut;
     }
     fInputs.push_back().set(v->fType, GrGLShaderVar::kVaryingIn_TypeModifier, v->fFsIn, fsPrec);
 }