Apply setImageLayout() to all of a VkImage's subresources.

src/gpu/vk/GrVkImage.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrVkImage_DEFINED
 #define GrVkImage_DEFINED
 
@@ skipping 13 matching lines @@
     public:
         enum Flags {
             kNo_Flags = 0,
             kLinearTiling_Flag = 0x01,
             kBorrowed_Flag = 0x02
         };
 
         VkImage                  fImage;
         VkDeviceMemory           fAlloc;
         VkFormat                 fFormat;
+        uint32_t                 fLevelCount;
         uint32_t                 fFlags;
 
         Resource()
             : INHERITED()
             , fImage(VK_NULL_HANDLE)
             , fAlloc(VK_NULL_HANDLE)
             , fFormat(VK_FORMAT_UNDEFINED)
+            , fLevelCount(0)
             , fFlags(kNo_Flags) {}
 
-        Resource(VkImage image, VkDeviceMemory alloc, uint32_t flags, VkFormat format)
-            : fImage(image), fAlloc(alloc), fFormat(format), fFlags(flags) {}
+        Resource(VkImage image, VkDeviceMemory alloc, VkFormat format, uint32_t levelCount,
+                 uint32_t flags)
+            : fImage(image), fAlloc(alloc), fFormat(format), fLevelCount(levelCount)
+            , fFlags(flags) {}
 
         ~Resource() override {}
 
     private:
         void freeGPUData(const GrVkGpu* gpu) const override;
 
         typedef GrVkResource INHERITED;
     };
 
     // for wrapped textures
     class BorrowedResource : public Resource {
     public:
-        BorrowedResource(VkImage image, VkDeviceMemory alloc, uint32_t flags, VkFormat format)
-            : Resource(image, alloc, (flags | kBorrowed_Flag), format) {
+        BorrowedResource(VkImage image, VkDeviceMemory alloc, VkFormat format, uint32_t levelCount,
+                         uint32_t flags)
+            : Resource(image, alloc, format, levelCount, (flags | kBorrowed_Flag)) {
         }
     private:
         void freeGPUData(const GrVkGpu* gpu) const override;
     };
 
     GrVkImage(const Resource* imageResource) : fResource(imageResource) {
         if (imageResource->fFlags & Resource::kLinearTiling_Flag) {
             fCurrentLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
         } else {
             fCurrentLayout = VK_IMAGE_LAYOUT_UNDEFINED;
@@ skipping 46 matching lines @@
     static const Resource* CreateResource(const GrVkGpu* gpu, const ImageDesc& imageDesc);
 
 protected:
 
     void releaseImage(const GrVkGpu* gpu);
     void abandonImage();
 
     const Resource* fResource;
 
     VkImageLayout   fCurrentLayout;
-
 };
 
 #endif