diff --git a/include/gpu/vk/GrVkTypes.h b/include/gpu/vk/GrVkTypes.h
index 5e93733531..70571981b6 100644
--- a/include/gpu/vk/GrVkTypes.h
+++ b/include/gpu/vk/GrVkTypes.h
@@ -31,19 +31,32 @@
  * Vulkan textures are really const GrVkImageInfo*
  */
 struct GrVkAlloc {
-    VkDeviceMemory fMemory = VK_NULL_HANDLE;  // can be VK_NULL_HANDLE iff is an RT and is borrowed
-    VkDeviceSize   fOffset = 0;
-    VkDeviceSize   fSize = 0;    // this can be indeterminate iff Tex uses borrow semantics
-    uint32_t       fFlags= 0;
+    GrVkAlloc()
+            : fMemory(VK_NULL_HANDLE)
+            , fOffset(0)
+            , fSize(0)
+            , fFlags(0)
+            , fUsesSystemHeap(false) {}
+
+    GrVkAlloc(VkDeviceMemory memory, VkDeviceSize offset, VkDeviceSize size, uint32_t flags)
+            : fMemory(memory)
+            , fOffset(offset)
+            , fSize(size)
+            , fFlags(flags)
+            , fUsesSystemHeap(false) {}
+
+    VkDeviceMemory fMemory;  // can be VK_NULL_HANDLE iff is an RT and is borrowed
+    VkDeviceSize   fOffset;
+    VkDeviceSize   fSize;    // this can be indeterminate iff Tex uses borrow semantics
+    uint32_t       fFlags;
 
     enum Flag {
         kNoncoherent_Flag = 0x1,   // memory must be flushed to device after mapping
     };
 private:
     friend class GrVkHeap; // For access to usesSystemHeap
-    bool fUsesSystemHeap = false;
+    bool fUsesSystemHeap;
 };
-
 struct GrVkImageInfo {
     /**
      * If the image's format is sRGB (GrVkFormatIsSRGB returns true), then the image must have