Add version string and force highp NDS transfrom to GLSLCaps

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 "gl/GrGLGpu.h"
@@ skipping 174 matching lines @@
             fSetupFragPosition = true;
         }
         SkASSERT(fProgramBuilder->fUniformHandles.fRTHeightUni.isValid());
         return kCoordName;
     }
 }
 
 const char* GrGLFragmentShaderBuilder::dstColor() {
     fHasReadDstColor = true;
 
-    GrGLGpu* gpu = fProgramBuilder->gpu();
-    if (gpu->glCaps().glslCaps()->fbFetchSupport()) {
+    const GrGLSLCaps* glslCaps = fProgramBuilder->glslCaps();
+    if (glslCaps->fbFetchSupport()) {
         this->addFeature(1 << (GrGLFragmentShaderBuilder::kLastGLSLPrivateFeature + 1),
-                         gpu->glCaps().glslCaps()->fbFetchExtensionString());
+                         glslCaps->fbFetchExtensionString());
 
         // Some versions of this extension string require declaring custom color output on ES 3.0+
-        const char* fbFetchColorName = gpu->glCaps().glslCaps()->fbFetchColorName();
-        if (gpu->glCaps().glslCaps()->fbFetchNeedsCustomOutput()) {
+        const char* fbFetchColorName = glslCaps->fbFetchColorName();
+        if (glslCaps->fbFetchNeedsCustomOutput()) {
             this->enableCustomOutput();
             fOutputs[fCustomColorOutputIndex].setTypeModifier(GrShaderVar::kInOut_TypeModifier);
             fbFetchColorName = declared_color_output_name();
         }
         return fbFetchColorName;
     } else {
         return kDstTextureColorName;
     } 
 }
 
 void GrGLFragmentShaderBuilder::enableAdvancedBlendEquationIfNeeded(GrBlendEquation equation) {
     SkASSERT(GrBlendEquationIsAdvanced(equation));
 
-    const GrGLSLCaps& caps = *fProgramBuilder->gpu()->glCaps().glslCaps();
+    const GrGLSLCaps& caps = *fProgramBuilder->glslCaps();
     if (!caps.mustEnableAdvBlendEqs()) {
         return;
     }
 
     this->addFeature(1 << kBlendEquationAdvanced_GLSLPrivateFeature,
                      "GL_KHR_blend_equation_advanced");
     if (caps.mustEnableSpecificAdvBlendEqs()) {
         this->addLayoutQualifier(specific_layout_qualifier_name(equation), kOut_InterfaceQualifier);
     } else {
         this->addLayoutQualifier("blend_support_all_equations", kOut_InterfaceQualifier);
@@ skipping 34 matching lines @@
 
 const char* GrGLFragmentShaderBuilder::getSecondaryColorOutputName() const {
     const GrGLSLCaps& caps = *fProgramBuilder->gpu()->glCaps().glslCaps();
     return caps.mustDeclareFragmentShaderOutput() ? declared_secondary_color_output_name()
                                                   : "gl_SecondaryFragColorEXT";
 }
 
 bool GrGLFragmentShaderBuilder::compileAndAttachShaders(GrGLuint programId,
                                                         SkTDArray<GrGLuint>* shaderIds) {
     GrGLGpu* gpu = fProgramBuilder->gpu();
-    this->versionDecl() = GrGLGetGLSLVersionDecl(gpu->ctxInfo());
+    this->versionDecl() = fProgramBuilder->glslCaps()->versionDeclString();
     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());
@@ skipping 27 matching lines @@
     fMangleString.appendf("_c%d", fSubstageIndices[fSubstageIndices.count() - 2]);
 }
 
 void GrGLFragmentBuilder::onAfterChildProcEmitCode() {
     SkASSERT(fSubstageIndices.count() >= 2);
     fSubstageIndices.pop_back();
     fSubstageIndices.back()++;
     int removeAt = fMangleString.findLastOf('_');
     fMangleString.remove(removeAt, fMangleString.size() - removeAt);
 }