Add ShaderBuilders to EmitArgs and remove gettings from ProgBuilder.

gm/dcshader.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 "gm.h"
 #if SK_SUPPORT_GPU
@@ skipping 49 matching lines @@
 class DCFP : public GrFragmentProcessor {
 public:
     DCFP(const SkMatrix& m) : fDeviceTransform(kDevice_GrCoordSet, m) {
         this->addCoordTransform(&fDeviceTransform);
         this->initClassID<DCFP>();
     }
 
     GrGLSLFragmentProcessor* onCreateGLSLInstance() const override {
         class DCGLFP : public GrGLSLFragmentProcessor {
             void emitCode(EmitArgs& args) override {
-                GrGLSLFragmentBuilder* fpb = args.fBuilder->getFragmentShaderBuilder();
-                fpb->codeAppendf("vec2 c = %s;", fpb->ensureFSCoords2D(args.fCoords, 0).c_str());
-                fpb->codeAppend("vec2 r = mod(c, vec2(20.0));");
-                fpb->codeAppend("vec4 color = vec4(0.5*sin(c.x / 15.0) + 0.5,"
-                                                    "0.5*cos((c.x + c.y) / 15.0) + 0.5,"
-                                                    "(r.x + r.y) / 20.0,"
-                                                    "distance(r, vec2(15.0)) / 20.0 + 0.2);");
-                fpb->codeAppendf("color.rgb *= color.a;"
-                                    "%s = color * %s;",
-                                    args.fOutputColor, GrGLSLExpr4(args.fInputColor).c_str());
+                GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+                fragBuilder->codeAppendf("vec2 c = %s;",
+                                         fragBuilder->ensureFSCoords2D(args.fCoords, 0).c_str());
+                fragBuilder->codeAppend("vec2 r = mod(c, vec2(20.0));");
+                fragBuilder->codeAppend("vec4 color = vec4(0.5*sin(c.x / 15.0) + 0.5,"
+                                                      "0.5*cos((c.x + c.y) / 15.0) + 0.5,"
+                                                      "(r.x + r.y) / 20.0,"
+                                                      "distance(r, vec2(15.0)) / 20.0 + 0.2);");
+                fragBuilder->codeAppendf("color.rgb *= color.a;"
+                                         "%s = color * %s;",
+                                         args.fOutputColor, GrGLSLExpr4(args.fInputColor).c_str());
             }
             void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override {}
         };
         return new DCGLFP;
     }
 
     const char* name() const override { return "DCFP"; }
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
         inout->mulByUnknownFourComponents();
@@ skipping 200 matching lines @@
     };
 
     SkTArray<Prim*> fPrims;
 
     typedef GM INHERITED;
 };
 
 DEF_GM(return new DCShaderGM;)
 }
 #endif