Check all scratch texture allocations for image filters.

src/effects/SkMorphologyImageFilter.cpp

 /*
  * Copyright 2012 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 "SkMorphologyImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
@@ skipping 488 matching lines @@
     SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height());
     GrTextureDesc desc;
     desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
     desc.fWidth = rect.width();
     desc.fHeight = rect.height();
     desc.fConfig = kSkia8888_GrPixelConfig;
     SkIRect srcRect = rect;
 
     if (radius.fWidth > 0) {
         GrAutoScratchTexture ast(context, desc);
+        if (NULL == ast.texture()) {
+            return false;
+        }
         GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget());
         apply_morphology_pass(context, src, srcRect, dstRect, radius.fWidth,
                               morphType, Gr1DKernelEffect::kX_Direction);
         SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom,
                                               dstRect.width(), radius.fHeight);
         context->clear(&clearRect, GrMorphologyEffect::kErode_MorphologyType == morphType ?
                                    SK_ColorWHITE :
                                    SK_ColorTRANSPARENT, false);
         src.reset(ast.detach());
         srcRect = dstRect;
     }
     if (radius.fHeight > 0) {
         GrAutoScratchTexture ast(context, desc);
+        if (NULL == ast.texture()) {
+            return false;
+        }
         GrContext::AutoRenderTarget art(context, ast.texture()->asRenderTarget());
         apply_morphology_pass(context, src, srcRect, dstRect, radius.fHeight,
                               morphType, Gr1DKernelEffect::kY_Direction);
         src.reset(ast.detach());
     }
     SkImageFilter::WrapTexture(src, rect.width(), rect.height(), dst);
     return true;
 }
 
 };
@@ skipping 46 matching lines @@
                                          SkBitmap* result, SkIPoint* offset) const {
     return this->filterImageGPUGeneric(true, proxy, src, ctx, result, offset);
 }
 
 bool SkErodeImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx,
                                         SkBitmap* result, SkIPoint* offset) const {
     return this->filterImageGPUGeneric(false, proxy, src, ctx, result, offset);
 }
 
 #endif