Add offset to memory allocations

src/gpu/vk/GrVkTexture.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrVkTexture.h"
 #include "GrVkGpu.h"
 #include "GrVkImageView.h"
@@ skipping 65 matching lines @@
 
     return new GrVkTexture(gpu, budgeted, desc, info, imageView);
 }
 
 GrVkTexture* GrVkTexture::CreateWrappedTexture(GrVkGpu* gpu,
                                                const GrSurfaceDesc& desc,
                                                GrWrapOwnership ownership,
                                                const GrVkImageInfo* info) {
     SkASSERT(info);
     // Wrapped textures require both image and allocation (because they can be mapped)
-    SkASSERT(VK_NULL_HANDLE != info->fImage && VK_NULL_HANDLE != info->fAlloc);
+    SkASSERT(VK_NULL_HANDLE != info->fImage && VK_NULL_HANDLE != info->fAlloc.fMemory);
 
     const GrVkImageView* imageView = GrVkImageView::Create(gpu, info->fImage, info->fFormat,
                                                            GrVkImageView::kColor_Type,
                                                            info->fLevelCount);
     if (!imageView) {
         return nullptr;
     }
 
     GrVkImage::Wrapped wrapped = kBorrow_GrWrapOwnership == ownership ? GrVkImage::kBorrowed_Wrapped
                                                                       : GrVkImage::kAdopted_Wrapped;
@@ skipping 119 matching lines @@
         fLinearTextureView = nullptr;
     }
 
     this->setNewResource(info.fImage, info.fAlloc);
     fTextureView = textureView;
     fInfo = info;
     this->texturePriv().setMaxMipMapLevel(mipLevels);
 
     return true;
 }