enforce 16byte alignment in shader contexts

src/effects/gradients/SkRadialGradient.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 "SkRadialGradient.h"
 #include "SkNx.h"
@@ skipping 22 matching lines @@
 }  // namespace
 
 /////////////////////////////////////////////////////////////////////
 
 SkRadialGradient::SkRadialGradient(const SkPoint& center, SkScalar radius, const Descriptor& desc)
     : SkGradientShaderBase(desc, rad_to_unit_matrix(center, radius))
     , fCenter(center)
     , fRadius(radius) {
 }
 
-size_t SkRadialGradient::contextSize(const ContextRec&) const {
-    return sizeof(RadialGradientContext);
+size_t SkRadialGradient::onContextSize(const ContextRec&) const {
+    return SkAlign16(sizeof(RadialGradientContext));
 }
 
 SkShader::Context* SkRadialGradient::onCreateContext(const ContextRec& rec, void* storage) const {
     return new (storage) RadialGradientContext(*this, rec);
 }
 
 SkRadialGradient::RadialGradientContext::RadialGradientContext(
         const SkRadialGradient& shader, const ContextRec& rec)
     : INHERITED(shader, rec) {}
 
@@ skipping 321 matching lines @@
     str->appendScalar(fCenter.fY);
     str->append(") radius: ");
     str->appendScalar(fRadius);
     str->append(" ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif