SkShader::asNewEffect Refactoring

src/core/SkPictureShader.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 "SkPictureShader.h"
 
 #include "SkBitmap.h"
@@ skipping 170 matching lines @@
                  fPicture ? fPicture->width() : 0,
                  fPicture ? fPicture->height() : 0);
 
     str->appendf("(%s, %s)", gTileModeName[fTmx], gTileModeName[fTmy]);
 
     this->INHERITED::toString(str);
 }
 #endif
 
 #if SK_SUPPORT_GPU
-GrEffectRef* SkPictureShader::asNewEffect(GrContext* context, const SkPaint& paint,
-                                          const SkMatrix* localMatrix) const {
+bool SkPictureShader::asNewEffect(GrContext* context, const SkPaint& paint,
+                                  const SkMatrix* localMatrix, GrColor* grColor,
+                                  GrEffectRef** grEffect) const {
     SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(context->getMatrix(), localMatrix));
     if (!bitmapShader) {
-        return NULL;
+        *grColor = this->getColorAsAlpha(paint);
+        return false;
     }
-    return bitmapShader->asNewEffect(context, paint, NULL);
+    return bitmapShader->asNewEffect(context, paint, NULL, grColor, grEffect);
 }
 #endif