Bundle SkShader::asFragmentProcessor arguments in a struct

src/effects/gradients/SkSweepGradient.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkSweepGradient.h"
 
 static SkMatrix translate(SkScalar dx, SkScalar dy) {
@@ skipping 173 matching lines @@
 sk_sp<GrFragmentProcessor> GrSweepGradient::TestCreate(GrProcessorTestData* d) {
     SkPoint center = {d->fRandom->nextUScalar1(), d->fRandom->nextUScalar1()};
 
     SkColor colors[kMaxRandomGradientColors];
     SkScalar stopsArray[kMaxRandomGradientColors];
     SkScalar* stops = stopsArray;
     SkShader::TileMode tmIgnored;
     int colorCount = RandomGradientParams(d->fRandom, colors, &stops, &tmIgnored);
     sk_sp<SkShader> shader(SkGradientShader::MakeSweep(center.fX, center.fY,  colors, stops,
                                                        colorCount));
-    sk_sp<GrFragmentProcessor> fp = shader->asFragmentProcessor(d->fContext,
-                                                                GrTest::TestMatrix(d->fRandom),
-                                                                NULL, kNone_SkFilterQuality,
-                                                                SkSourceGammaTreatment::kRespect);
+    SkMatrix viewMatrix = GrTest::TestMatrix(d->fRandom);
+    sk_sp<GrFragmentProcessor> fp = shader->asFragmentProcessor(SkShader::AsFPArgs(
+        d->fContext, &viewMatrix, NULL, kNone_SkFilterQuality, SkSourceGammaTreatment::kRespect));
     GrAlwaysAssert(fp);
     return fp;
 }
 
 /////////////////////////////////////////////////////////////////////
 
 void GrGLSweepGradient::emitCode(EmitArgs& args) {
     const GrSweepGradient& ge = args.fFp.cast<GrSweepGradient>();
     this->emitUniforms(args.fUniformHandler, ge);
     SkString coords2D = args.fFragBuilder->ensureFSCoords2D(args.fCoords, 0);
@@ skipping 12 matching lines @@
                     args.fUniformHandler,
                     args.fGLSLCaps,
                     ge, t.c_str(),
                     args.fOutputColor,
                     args.fInputColor,
                     args.fTexSamplers);
 }
 
 /////////////////////////////////////////////////////////////////////
 
-sk_sp<GrFragmentProcessor> SkSweepGradient::asFragmentProcessor(
-                                                    GrContext* context,
-                                                    const SkMatrix& viewM,
-                                                    const SkMatrix* localMatrix,
-                                                    SkFilterQuality,
-                                                    SkSourceGammaTreatment) const {
+sk_sp<GrFragmentProcessor> SkSweepGradient::asFragmentProcessor(const AsFPArgs& args) const {
 
     SkMatrix matrix;
     if (!this->getLocalMatrix().invert(&matrix)) {
         return nullptr;
     }
-    if (localMatrix) {
+    if (args.fLocalMatrix) {
         SkMatrix inv;
-        if (!localMatrix->invert(&inv)) {
+        if (!args.fLocalMatrix->invert(&inv)) {
             return nullptr;
         }
         matrix.postConcat(inv);
     }
     matrix.postConcat(fPtsToUnit);
 
-    sk_sp<GrFragmentProcessor> inner(GrSweepGradient::Make(context, *this, matrix));
+    sk_sp<GrFragmentProcessor> inner(GrSweepGradient::Make(args.fContext, *this, matrix));
     return GrFragmentProcessor::MulOutputByInputAlpha(std::move(inner));
 }
 
 #endif
 
 #ifndef SK_IGNORE_TO_STRING
 void SkSweepGradient::toString(SkString* str) const {
     str->append("SkSweepGradient: (");
 
     str->append("center: (");
     str->appendScalar(fCenter.fX);
     str->append(", ");
     str->appendScalar(fCenter.fY);
     str->append(") ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif