Make GrGLEffects use an interface to append their code.

src/effects/SkColorMatrixFilter.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkColorMatrixFilter.h"
 #include "SkColorMatrix.h"
 #include "SkColorPriv.h"
@@ skipping 396 matching lines @@
             fVectorHandle = builder->addUniform(GrGLShaderBuilder::kFragment_ShaderType,
                                                 kVec4f_GrSLType,
                                                 "ColorMatrixVector");
 
             if (NULL == inputColor) {
                 // could optimize this case, but we aren't for now.
                 inputColor = GrGLSLOnesVecf(4);
             }
             // The max() is to guard against 0 / 0 during unpremul when the incoming color is
             // transparent black.
-            builder->fFSCode.appendf("\tfloat nonZeroAlpha = max(%s.a, 0.00001);\n", inputColor);
-            builder->fFSCode.appendf("\t%s = %s * vec4(%s.rgb / nonZeroAlpha, nonZeroAlpha) + %s;\n",
-                                     outputColor,
-                                     builder->getUniformCStr(fMatrixHandle),
-                                     inputColor,
-                                     builder->getUniformCStr(fVectorHandle));
-            builder->fFSCode.appendf("\t%s.rgb *= %s.a;\n", outputColor, outputColor);
+            builder->fsCodeAppendf("\tfloat nonZeroAlpha = max(%s.a, 0.00001);\n", inputColor);
+            builder->fsCodeAppendf("\t%s = %s * vec4(%s.rgb / nonZeroAlpha, nonZeroAlpha) + %s;\n",
+                                   outputColor,
+                                   builder->getUniformCStr(fMatrixHandle),
+                                   inputColor,
+                                   builder->getUniformCStr(fVectorHandle));
+            builder->fsCodeAppendf("\t%s.rgb *= %s.a;\n", outputColor, outputColor);
         }
 
         virtual void setData(const GrGLUniformManager& uniManager,
                              const GrEffectStage& stage) SK_OVERRIDE {
             const ColorMatrixEffect& cme = GetEffectFromStage<ColorMatrixEffect>(stage);
             const float* m = cme.fMatrix.fMat;
             // The GL matrix is transposed from SkColorMatrix.
             GrGLfloat mt[]  = {
                 m[0], m[5], m[10], m[15],
                 m[1], m[6], m[11], m[16],
@@ skipping 36 matching lines @@
         colorMatrix.fMat[i] = random->nextSScalar1();
     }
     return ColorMatrixEffect::Create(colorMatrix);
 }
 
 GrEffectRef* SkColorMatrixFilter::asNewEffect(GrContext*) const {
     return ColorMatrixEffect::Create(fMatrix);
 }
 
 #endif