Cleanup of shader building system

src/gpu/gl/builders/GrGLShaderBuilder.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 "GrGLShaderBuilder.h"
-#include "GrGLFullProgramBuilder.h"
+#include "GrGLProgramBuilder.h"
 #include "GrGLProgramBuilder.h"
 #include "../GrGpuGL.h"
 #include "../GrGLShaderVar.h"
 
 namespace {
 inline const char* sample_function_name(GrSLType type, GrGLSLGeneration glslGen) {
     if (kVec2f_GrSLType == type) {
         return glslGen >= k130_GrGLSLGeneration ? "texture" : "texture2D";
     } else {
         SkASSERT(kVec3f_GrSLType == type);
@@ skipping 26 matching lines @@
             mangledSwizzle[i] = alphaChar;
         }
         mangledSwizzle[i] ='\0';
         swizzle = mangledSwizzle;
     }
     // For shader prettiness we omit the swizzle rather than appending ".rgba".
     if (memcmp(swizzle, "rgba", 4)) {
         out->appendf(".%s", swizzle);
     }
 }
-static const int kVarsPerBlock = 8;
 }
 
 GrGLShaderBuilder::GrGLShaderBuilder(GrGLProgramBuilder* program)
     : fProgramBuilder(program)
-    , fInputs(kVarsPerBlock)
-    , fOutputs(kVarsPerBlock)
+    , fInputs(GrGLProgramBuilder::kVarsPerBlock)
+    , fOutputs(GrGLProgramBuilder::kVarsPerBlock)
     , fFeaturesAddedMask(0) {
 }
 
 void GrGLShaderBuilder::declAppend(const GrGLShaderVar& var) {
     SkString tempDecl;
     var.appendDecl(fProgramBuilder->ctxInfo(), &tempDecl);
     this->codeAppendf("%s;", tempDecl.c_str());
 }
 
 void GrGLShaderBuilder::emitFunction(GrSLType returnType,
@@ skipping 63 matching lines @@
     }
 }
 
 void GrGLShaderBuilder::addFeature(uint32_t featureBit, const char* extensionName) {
     if (!(featureBit & fFeaturesAddedMask)) {
         fExtensions.appendf("#extension %s: require\n", extensionName);
             fFeaturesAddedMask |= featureBit;
     }
 }
 
+void GrGLShaderBuilder::appendDecls(const VarArray& vars, SkString* out) const {
+    for (int i = 0; i < vars.count(); ++i) {
+        vars[i].appendDecl(fProgramBuilder->ctxInfo(), out);
+        out->append(";\n");
+    }
+}
+
 void GrGLShaderBuilder::appendTextureLookup(const char* samplerName,
                                             const char* coordName,
                                             uint32_t configComponentMask,
                                             const char* swizzle) {
     append_texture_lookup(&fCode,
                           fProgramBuilder->gpu(),
                           samplerName,
                           coordName,
                           configComponentMask,
                           swizzle,
                           kVec2f_GrSLType);
 }
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-GrGLFullShaderBuilder::GrGLFullShaderBuilder(GrGLFullProgramBuilder* program)
-    : INHERITED(program)
-    , fFullProgramBuilder(program) {}