switch maskfilters to sk_sp

samplecode/SampleAll.cpp

Index: samplecode/SampleAll.cpp
diff --git a/samplecode/SampleAll.cpp b/samplecode/SampleAll.cpp
index aa0826120038ef20f26560608c3bf5c8f1936f8c..357a437a67acee1a775c59139f589028bf67b3e9 100644
--- a/samplecode/SampleAll.cpp
+++ b/samplecode/SampleAll.cpp
@@ -77,9 +77,9 @@ private:
 ///////////////////////////////////////////////////////////
 
 static void r0(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
-    p.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle,
-                                             SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(3)),
-                                             SkBlurMaskFilter::kNone_BlurFlag))->unref();
+    p.setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle,
+                                           SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(3)),
+                                           SkBlurMaskFilter::kNone_BlurFlag));
     rastBuilder->addLayer(p, SkIntToScalar(3), SkIntToScalar(3));
 
     p.setMaskFilter(nullptr);
@@ -250,9 +250,9 @@ static void apply_shader(SkPaint* paint, int index) {
 
 #if 1
     SkScalar dir[] = { SK_Scalar1, SK_Scalar1, SK_Scalar1 };
-    paint->setMaskFilter(SkBlurMaskFilter::CreateEmboss(
+    paint->setMaskFilter(SkBlurMaskFilter::MakeEmboss(
                 SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(3)), dir,
-                SK_Scalar1/4, SkIntToScalar(4)))->unref();
+                SK_Scalar1/4, SkIntToScalar(4)));
     paint->setColor(SK_ColorBLUE);
 #endif
 }
@@ -379,8 +379,6 @@ protected:
         light.fDirection[2] = SK_Scalar1/3;
         light.fAmbient        = 0x48;
         light.fSpecular        = 0x80;
-        SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(12)/5);
-        SkMaskFilter* embossFilter = SkEmbossMaskFilter::Create(sigma, light);
 
         auto lightingFilter = SkColorMatrixFilter::MakeLightingFilter(
             0xff89bc45, 0xff112233);
@@ -420,7 +418,8 @@ protected:
 
         // circle w/ emboss & transparent (exercises 3dshader)
         canvas->translate(SkIntToScalar(50), 0);
-        paint.setMaskFilter(embossFilter)->unref();
+        paint.setMaskFilter(SkEmbossMaskFilter::Make(
+                                     SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(12)/5), light));
         canvas->drawOval(rect, paint);
         canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
 //        paint.setShader(transparentShader)->unref();