Check PremulType during GrGradientEffect::onIsEqual

src/effects/gradients/SkGradientShader.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Sk4fLinearGradient.h"
 #include "SkGradientShaderPriv.h"
 #include "SkLinearGradient.h"
@@ skipping 1139 matching lines @@
         fAtlas->unlockRow(fRow);
     }
 }
 
 bool GrGradientEffect::onIsEqual(const GrFragmentProcessor& processor) const {
     const GrGradientEffect& s = processor.cast<GrGradientEffect>();
 
     if (this->fColorType == s.getColorType()){
 
         if (SkGradientShaderBase::kTwo_GpuColorType == fColorType) {
-            if (*this->getColors(0) != *s.getColors(0) ||
+            if (this->getPremulType() != s.getPremulType() ||
+                *this->getColors(0) != *s.getColors(0) ||
                 *this->getColors(1) != *s.getColors(1)) {
                 return false;
             }
         } else if (SkGradientShaderBase::kThree_GpuColorType == fColorType) {
-            if (*this->getColors(0) != *s.getColors(0) ||
+            if (this->getPremulType() != s.getPremulType() ||
+                *this->getColors(0) != *s.getColors(0) ||
                 *this->getColors(1) != *s.getColors(1) ||
                 *this->getColors(2) != *s.getColors(2)) {
                 return false;
             }
         } else {
             if (fYCoord != s.getYCoord()) {
                 return false;
             }
         }
 
@@ skipping 30 matching lines @@
             (*stops)[i] = stop;
             stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - stop) : 1.f;
         }
     }
     *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileModeCount));
 
     return outColors;
 }
 
 #endif