Switch new SkImageFilter internal methods over to sk_sp

src/effects/SkBlurImageFilter.cpp

 /*
  * Copyright 2011 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 "SkBlurImageFilter.h"
 
 #include "SkAutoPixmapStorage.h"
@@ skipping 52 matching lines @@
     if (d % 2 == 1) {
         *lowOffset = *highOffset = (d - 1) / 2;
         *kernelSize3 = d;
     } else {
         *highOffset = d / 2;
         *lowOffset = *highOffset - 1;
         *kernelSize3 = d + 1;
     }
 }
 
-SkSpecialImage* SkBlurImageFilter::onFilterImage(SkSpecialImage* source, const Context& ctx,
-                                                 SkIPoint* offset) const {
+sk_sp<SkSpecialImage> SkBlurImageFilter::onFilterImage(SkSpecialImage* source,
+                                                       const Context& ctx,
+                                                       SkIPoint* offset) const {
     SkIPoint inputOffset = SkIPoint::Make(0, 0);
 
-    SkAutoTUnref<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset));
+    sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset));
     if (!input) {
         return nullptr;
     }
 
     SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.fX, inputOffset.fY,
                                             input->width(), input->height());
 
     SkIRect dstBounds;
     if (!this->applyCropRect(this->mapContext(ctx), inputBounds, &dstBounds)) {
         return nullptr;
     }
     if (!inputBounds.intersect(dstBounds)) {
         return nullptr;
     }
 
     const SkVector sigma = map_sigma(fSigma, ctx.ctm());
 
 #if SK_SUPPORT_GPU
     if (input->peekTexture()) {
         if (0 == sigma.x() && 0 == sigma.y()) {
             offset->fX = inputBounds.x();
             offset->fY = inputBounds.y();
             return input->makeSubset(inputBounds.makeOffset(-inputOffset.x(),
-                                                            -inputOffset.y())).release();
+                                                            -inputOffset.y()));
         }
 
         GrTexture* inputTexture = input->peekTexture();
 
         offset->fX = dstBounds.fLeft;
         offset->fY = dstBounds.fTop;
         inputBounds.offset(-inputOffset);
         dstBounds.offset(-inputOffset);
         SkRect inputBoundsF(SkRect::Make(inputBounds));
         SkAutoTUnref<GrTexture> tex(SkGpuBlurUtils::GaussianBlur(inputTexture->getContext(),
                                                                  inputTexture,
                                                                  false,
                                                                  SkRect::Make(dstBounds),
                                                                  &inputBoundsF,
                                                                  sigma.x(),
                                                                  sigma.y()));
         if (!tex) {
             return nullptr;
         }
 
         return SkSpecialImage::MakeFromGpu(source->internal_getProxy(),
                                            SkIRect::MakeWH(dstBounds.width(), dstBounds.height()),
                                            kNeedNewImageUniqueID_SpecialImage,
-                                           tex).release();
+                                           tex);
     }
 #endif
 
     int kernelSizeX, kernelSizeX3, lowOffsetX, highOffsetX;
     int kernelSizeY, kernelSizeY3, lowOffsetY, highOffsetY;
     get_box3_params(sigma.x(), &kernelSizeX, &kernelSizeX3, &lowOffsetX, &highOffsetX);
     get_box3_params(sigma.y(), &kernelSizeY, &kernelSizeY3, &lowOffsetY, &highOffsetY);
 
     if (kernelSizeX < 0 || kernelSizeY < 0) {
         return nullptr;
     }
 
     if (kernelSizeX == 0 && kernelSizeY == 0) {
         offset->fX = inputBounds.x();
         offset->fY = inputBounds.y();
         return input->makeSubset(inputBounds.makeOffset(-inputOffset.x(),
-                                                        -inputOffset.y())).release();
+                                                        -inputOffset.y()));
     }
 
     SkPixmap inputPixmap;
 
     if (!input->peekPixels(&inputPixmap)) {
         return nullptr;
     }
 
     if (inputPixmap.colorType() != kN32_SkColorType) {
         return nullptr;
@@ skipping 54 matching lines @@
         SkOpts::box_blur_xx(t,  w,  dstBounds,    d, kernelSizeX3, highOffsetX, highOffsetX, w, h);
     } else if (kernelSizeY > 0) {
         SkOpts::box_blur_yx(s, sw,  inputBoundsT, d, kernelSizeY,  lowOffsetY,  highOffsetY, h, w);
         SkOpts::box_blur_xx(d,  h,  dstBoundsT,   t, kernelSizeY,  highOffsetY, lowOffsetY,  h, w);
         SkOpts::box_blur_xy(t,  h,  dstBoundsT,   d, kernelSizeY3, highOffsetY, highOffsetY, h, w);
     }
 
     return SkSpecialImage::MakeFromRaster(source->internal_getProxy(), 
                                           SkIRect::MakeWH(dstBounds.width(),
                                                           dstBounds.height()),
-                                          dst).release();
+                                          dst);
 }
 
 
 SkRect SkBlurImageFilter::computeFastBounds(const SkRect& src) const {
     SkRect bounds = this->getInput(0) ? this->getInput(0)->computeFastBounds(src) : src;
     bounds.outset(SkScalarMul(fSigma.width(), SkIntToScalar(3)),
                   SkScalarMul(fSigma.height(), SkIntToScalar(3)));
     return bounds;
 }
 
 SkIRect SkBlurImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix& ctm,
                                               MapDirection) const {
     SkVector sigma = map_sigma(fSigma, ctm);
     return src.makeOutset(SkScalarCeilToInt(SkScalarMul(sigma.x(), SkIntToScalar(3))),
                           SkScalarCeilToInt(SkScalarMul(sigma.y(), SkIntToScalar(3))));
 }
 
 #ifndef SK_IGNORE_TO_STRING
 void SkBlurImageFilter::toString(SkString* str) const {
     str->appendf("SkBlurImageFilter: (");
     str->appendf("sigma: (%f, %f) input (", fSigma.fWidth, fSigma.fHeight);
 
     if (this->getInput(0)) {
         this->getInput(0)->toString(str);
     }
 
     str->append("))");
 }
 #endif