Bundle SkShader::asFragmentProcessor arguments in a struct

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 300 matching lines @@
                  fPicture->cullRect().fRight,
                  fPicture->cullRect().fBottom);
 
     str->appendf("(%s, %s)", gTileModeName[fTmx], gTileModeName[fTmy]);
 
     this->INHERITED::toString(str);
 }
 #endif
 
 #if SK_SUPPORT_GPU
-sk_sp<GrFragmentProcessor> SkPictureShader::asFragmentProcessor(
-                                                     GrContext* context, const SkMatrix& viewM,
-                                                     const SkMatrix* localMatrix,
-                                                     SkFilterQuality fq,
-                                                     SkSourceGammaTreatment gammaTreatment) const {
+sk_sp<GrFragmentProcessor> SkPictureShader::asFragmentProcessor(const AsFPArgs& args) const {
     int maxTextureSize = 0;
-    if (context) {
-        maxTextureSize = context->caps()->maxTextureSize();
+    if (args.fContext) {
+        maxTextureSize = args.fContext->caps()->maxTextureSize();
     }
-    sk_sp<SkShader> bitmapShader(this->refBitmapShader(viewM, localMatrix, maxTextureSize));
+    sk_sp<SkShader> bitmapShader(this->refBitmapShader(*args.fViewMatrix, args.fLocalMatrix,
+                                                       maxTextureSize));
     if (!bitmapShader) {
         return nullptr;
     }
-    return bitmapShader->asFragmentProcessor(context, viewM, nullptr, fq, gammaTreatment);
+    return bitmapShader->asFragmentProcessor(SkShader::AsFPArgs(
+        args.fContext, args.fViewMatrix, nullptr, args.fFilterQuality, args.fGammaTreatment));
 }
 #endif