Create GLSLUniformHandler class for gpu backend

src/core/SkLightingShader.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 "SkBitmapProcState.h"
 #include "SkColor.h"
@@ skipping 111 matching lines @@
 
     typedef SkShader INHERITED;
 };
 
 ////////////////////////////////////////////////////////////////////////////
 
 #if SK_SUPPORT_GPU
 
 #include "GrCoordTransform.h"
 #include "GrFragmentProcessor.h"
+#include "GrInvariantOutput.h"
 #include "GrTextureAccess.h"
 #include "glsl/GrGLSLFragmentProcessor.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
-#include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
+#include "glsl/GrGLSLUniformHandler.h"
 #include "SkGr.h"
 #include "SkGrPriv.h"
 
 class LightingFP : public GrFragmentProcessor {
 public:
     LightingFP(GrTexture* diffuse, GrTexture* normal, const SkMatrix& diffMatrix,
                const SkMatrix& normMatrix, const GrTextureParams& diffParams,
                const GrTextureParams& normParams, const SkLightingShader::Lights* lights,
                const SkVector& invNormRotation)
         : fDiffDeviceTransform(kLocal_GrCoordSet, diffMatrix, diffuse, diffParams.filterMode())
@@ skipping 26 matching lines @@
         LightingGLFP() {
             fLightDir.fX = 10000.0f;
             fLightColor.fX = 0.0f;
             fAmbientColor.fX = 0.0f;
             fInvNormRotation.set(0.0f, 0.0f);
         }
 
         void emitCode(EmitArgs& args) override {
 
             GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+            GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
 
             // add uniforms
             const char* lightDirUniName = nullptr;
-            fLightDirUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                                     kVec3f_GrSLType, kDefault_GrSLPrecision,
-                                                     "LightDir", &lightDirUniName);
+            fLightDirUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                                      kVec3f_GrSLType, kDefault_GrSLPrecision,
+                                                      "LightDir", &lightDirUniName);
 
             const char* lightColorUniName = nullptr;
-            fLightColorUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                                       kVec3f_GrSLType, kDefault_GrSLPrecision,
-                                                       "LightColor", &lightColorUniName);
+            fLightColorUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                                        kVec3f_GrSLType, kDefault_GrSLPrecision,
+                                                        "LightColor", &lightColorUniName);
 
             const char* ambientColorUniName = nullptr;
-            fAmbientColorUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                                         kVec3f_GrSLType, kDefault_GrSLPrecision,
-                                                         "AmbientColor", &ambientColorUniName);
+            fAmbientColorUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                                          kVec3f_GrSLType, kDefault_GrSLPrecision,
+                                                          "AmbientColor", &ambientColorUniName);
 
             const char* xformUniName = nullptr;
-            fXformUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                                  kVec2f_GrSLType, kDefault_GrSLPrecision,
-                                                  "Xform", &xformUniName);
+            fXformUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                                   kVec2f_GrSLType, kDefault_GrSLPrecision,
+                                                   "Xform", &xformUniName);
 
             fragBuilder->codeAppend("vec4 diffuseColor = ");
             fragBuilder->appendTextureLookupAndModulate(args.fInputColor, args.fSamplers[0], 
                                                 args.fCoords[0].c_str(), 
                                                 args.fCoords[0].getType());
             fragBuilder->codeAppend(";");
 
             fragBuilder->codeAppend("vec4 normalColor = ");
             fragBuilder->appendTextureLookup(args.fSamplers[1],
                                      args.fCoords[1].c_str(), 
@@ skipping 502 matching lines @@
                                     normLocalM);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkLightingShader)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkLightingShaderImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END
 
 ///////////////////////////////////////////////////////////////////////////////