Create GLSLUniformHandler class for gpu backend

src/gpu/GrPathProcessor.cpp

 /*
 * Copyright 2013 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "GrPathProcessor.h"
 
 #include "gl/GrGLGpu.h"
 #include "glsl/GrGLSLCaps.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
 #include "glsl/GrGLSLProcessorTypes.h"
-#include "glsl/GrGLSLProgramBuilder.h"
+#include "glsl/GrGLSLUniformHandler.h"
 #include "glsl/GrGLSLVarying.h"
 
 class GrGLPathProcessor : public GrGLSLPrimitiveProcessor {
 public:
     GrGLPathProcessor() : fColor(GrColor_ILLEGAL) {}
 
     static void GenKey(const GrPathProcessor& pathProc,
                        const GrGLSLCaps&,
                        GrProcessorKeyBuilder* b) {
         b->add32(SkToInt(pathProc.overrides().readsColor()) |
                  SkToInt(pathProc.overrides().readsCoverage()) << 16);
     }
 
     void emitCode(EmitArgs& args) override {
-        GrGLSLGPBuilder* pb = args.fPB;
         GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
         const GrPathProcessor& pathProc = args.fGP.cast<GrPathProcessor>();
 
         // emit transforms
         this->emitTransforms(args.fVaryingHandler, args.fTransformsIn, args.fTransformsOut);
 
         // Setup uniform color
         if (pathProc.overrides().readsColor()) {
             const char* stagedLocalVarName;
-            fColorUniform = pb->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                           kVec4f_GrSLType,
-                                           kDefault_GrSLPrecision,
-                                           "Color",
-                                           &stagedLocalVarName);
+            fColorUniform = args.fUniformHandler->addUniform(
+                                                         GrGLSLUniformHandler::kFragment_Visibility,
+                                                         kVec4f_GrSLType,
+                                                         kDefault_GrSLPrecision,
+                                                         "Color",
+                                                         &stagedLocalVarName);
             fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, stagedLocalVarName);
         }
 
         // setup constant solid coverage
         if (pathProc.overrides().readsCoverage()) {
             fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage);
         }
     }
 
     void emitTransforms(GrGLSLVaryingHandler* varyingHandler,
@@ skipping 79 matching lines @@
 
 void GrPathProcessor::getGLSLProcessorKey(const GrGLSLCaps& caps,
                                           GrProcessorKeyBuilder* b) const {
     GrGLPathProcessor::GenKey(*this, caps, b);
 }
 
 GrGLSLPrimitiveProcessor* GrPathProcessor::createGLSLInstance(const GrGLSLCaps& caps) const {
     SkASSERT(caps.pathRenderingSupport());
     return new GrGLPathProcessor();
 }