Create GLSLUniformHandler class for gpu backend

src/effects/SkArithmeticMode_gpu.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkArithmeticMode_gpu.h"
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
 #include "GrProcessor.h"
 #include "GrTexture.h"
 #include "glsl/GrGLSLFragmentProcessor.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
-#include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
+#include "glsl/GrGLSLUniformHandler.h"
 #include "glsl/GrGLSLXferProcessor.h"
 
 static const bool gUseUnpremul = false;
 
 static void add_arithmetic_code(GrGLSLFragmentBuilder* fragBuilder,
                                 const char* srcColor,
                                 const char* dstColor,
                                 const char* outputColor,
                                 const char* kUni,
                                 bool enforcePMColor) {
@@ skipping 28 matching lines @@
     GLArithmeticFP(const GrArithmeticFP& arithmeticFP)
         : fEnforcePMColor(arithmeticFP.enforcePMColor()) {}
 
     ~GLArithmeticFP() override {}
 
     void emitCode(EmitArgs& args) override {
         GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
         SkString dstColor("dstColor");
         this->emitChild(0, nullptr, &dstColor, args);
 
-        fKUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                          kVec4f_GrSLType, kDefault_GrSLPrecision,
-                                          "k");
-        const char* kUni = args.fBuilder->getUniformCStr(fKUni);
+        fKUni = args.fUniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                                 kVec4f_GrSLType, kDefault_GrSLPrecision,
+                                                 "k");
+        const char* kUni = args.fUniformHandler->getUniformCStr(fKUni);
 
         add_arithmetic_code(fragBuilder,
                             args.fInputColor,
                             dstColor.c_str(),
                             args.fOutputColor,
                             kUni,
                             fEnforcePMColor);
     }
 
     static void GenKey(const GrProcessor& proc, const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) {
@@ skipping 121 matching lines @@
     ~GLArithmeticXP() override {}
 
     static void GenKey(const GrProcessor& processor, const GrGLSLCaps& caps,
                        GrProcessorKeyBuilder* b) {
         const ArithmeticXP& arith = processor.cast<ArithmeticXP>();
         uint32_t key = arith.enforcePMColor() ? 1 : 0;
         b->add32(key);
     }
 
 private:
-    void emitBlendCodeForDstRead(GrGLSLXPBuilder* pb,
-                                 GrGLSLXPFragmentBuilder* fragBuilder,
+    void emitBlendCodeForDstRead(GrGLSLXPFragmentBuilder* fragBuilder,
+                                 GrGLSLUniformHandler* uniformHandler,
                                  const char* srcColor,
                                  const char* srcCoverage,
                                  const char* dstColor,
                                  const char* outColor,
                                  const char* outColorSecondary,
                                  const GrXferProcessor& proc) override {
-        fKUni = pb->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                               kVec4f_GrSLType, kDefault_GrSLPrecision,
-                               "k");
-        const char* kUni = pb->getUniformCStr(fKUni);
+        fKUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                           kVec4f_GrSLType, kDefault_GrSLPrecision,
+                                           "k");
+        const char* kUni = uniformHandler->getUniformCStr(fKUni);
 
         add_arithmetic_code(fragBuilder, srcColor, dstColor, outColor, kUni, fEnforcePMColor);
 
         // Apply coverage.
         if (proc.dstReadUsesMixedSamples()) {
             if (srcCoverage) {
                 fragBuilder->codeAppendf("%s *= %s;", outColor, srcCoverage);
                 fragBuilder->codeAppendf("%s = %s;", outColorSecondary, srcCoverage);
             } else {
                 fragBuilder->codeAppendf("%s = vec4(1.0);", outColorSecondary);
@@ skipping 77 matching lines @@
     float k1 = d->fRandom->nextF();
     float k2 = d->fRandom->nextF();
     float k3 = d->fRandom->nextF();
     float k4 = d->fRandom->nextF();
     bool enforcePMColor = d->fRandom->nextBool();
 
     return GrArithmeticXPFactory::Create(k1, k2, k3, k4, enforcePMColor);
 }
 
 #endif