Base SkAutoTUnref on skstd::unique_ptr.

src/effects/SkGpuBlurUtils.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGpuBlurUtils.h"
 
 #include "SkRect.h"
@@ skipping 213 matching lines @@
         scale_rect(&dstRect, i < scaleFactorX ? 0.5f : 1.0f,
                              i < scaleFactorY ? 0.5f : 1.0f);
 
         SkAutoTUnref<GrDrawContext> dstDrawContext(context->drawContext());
         if (!dstDrawContext) {
             return nullptr;
         }
         dstDrawContext->drawNonAARectToRect(dstTexture->asRenderTarget(), clip, paint,
                                             SkMatrix::I(), dstRect, srcRect);
 
-        srcDrawContext.swap(&dstDrawContext);
+        srcDrawContext.swap(dstDrawContext);
         srcRect = dstRect;
         srcTexture = dstTexture;
         SkTSwap(dstTexture, tempTexture);
     }
 
     const SkIRect srcIRect = srcRect.roundOut();
 
     // For really small blurs (certainly no wider than 5x5 on desktop gpus) it is faster to just
     // launch a single non separable kernel vs two launches
     if (sigmaX > 0.0f && sigmaY > 0.0f &&
             (2 * radiusX + 1) * (2 * radiusY + 1) <= MAX_KERNEL_SIZE) {
         // We shouldn't be scaling because this is a small size blur
         SkASSERT((1 == scaleFactorX) && (1 == scaleFactorY));
         SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
 
         SkAutoTUnref<GrDrawContext> dstDrawContext(context->drawContext());
         if (!dstDrawContext) {
             return nullptr;
         }
         convolve_gaussian_2d(dstDrawContext, dstTexture->asRenderTarget(), clip, srcRect, dstRect,
                              srcTexture, radiusX, radiusY, sigmaX, sigmaY, cropToRect, srcIRect);
 
-        srcDrawContext.swap(&dstDrawContext);
+        srcDrawContext.swap(dstDrawContext);
         srcRect = dstRect;
         srcTexture = dstTexture;
         SkTSwap(dstTexture, tempTexture);
 
     } else {
         if (sigmaX > 0.0f) {
             if (scaleFactorX > 1) {
                 // TODO: if we pass in the source draw context we don't need this here
                 if (!srcDrawContext) {
                     srcDrawContext.reset(context->drawContext());
@@ skipping 11 matching lines @@
             SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
 
             SkAutoTUnref<GrDrawContext> dstDrawContext(context->drawContext());
             if (!dstDrawContext) {
                 return nullptr;
             }
             convolve_gaussian(dstDrawContext, dstTexture->asRenderTarget(), clip, srcRect, dstRect,
                               srcTexture, Gr1DKernelEffect::kX_Direction, radiusX, sigmaX,
                               cropToRect);
 
-            srcDrawContext.swap(&dstDrawContext);
+            srcDrawContext.swap(dstDrawContext);
             srcTexture = dstTexture;
             srcRect = dstRect;
             SkTSwap(dstTexture, tempTexture);
         }
 
         if (sigmaY > 0.0f) {
             if (scaleFactorY > 1 || sigmaX > 0.0f) {
                 // TODO: if we pass in the source draw context we don't need this here
                 if (!srcDrawContext) {
                     srcDrawContext.reset(context->drawContext());
@@ skipping 12 matching lines @@
             SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
 
             SkAutoTUnref<GrDrawContext> dstDrawContext(context->drawContext());
             if (!dstDrawContext) {
                 return nullptr;
             }
             convolve_gaussian(dstDrawContext, dstTexture->asRenderTarget(), clip, srcRect,
                               dstRect, srcTexture, Gr1DKernelEffect::kY_Direction, radiusY, sigmaY,
                               cropToRect);
 
-            srcDrawContext.swap(&dstDrawContext);
+            srcDrawContext.swap(dstDrawContext);
             srcTexture = dstTexture;
             srcRect = dstRect;
             SkTSwap(dstTexture, tempTexture);
         }
     }
 
     if (scaleFactorX > 1 || scaleFactorY > 1) {
         SkASSERT(srcDrawContext);
 
         // Clear one pixel to the right and below, to accommodate bilinear
@@ skipping 15 matching lines @@
         SkRect dstRect(srcRect);
         scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY);
 
         SkAutoTUnref<GrDrawContext> dstDrawContext(context->drawContext());
         if (!dstDrawContext) {
             return nullptr;
         }
         dstDrawContext->drawNonAARectToRect(dstTexture->asRenderTarget(), clip, paint,
                                             SkMatrix::I(), dstRect, srcRect);
 
-        srcDrawContext.swap(&dstDrawContext);
+        srcDrawContext.swap(dstDrawContext);
         srcRect = dstRect;
         srcTexture = dstTexture;
         SkTSwap(dstTexture, tempTexture);
     }
 
     return SkRef(srcTexture);
 }
 #endif
 
 }