From 0bc0ea3dcd760b864f1388359403f76916b9b100 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Mon, 21 Dec 2020 12:47:56 -0800
Subject: Vulkan backend: code clean-up

---
 Graphics/GraphicsEngineD3D12/include/BufferD3D12Impl.hpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'Graphics/GraphicsEngineD3D12')

diff --git a/Graphics/GraphicsEngineD3D12/include/BufferD3D12Impl.hpp b/Graphics/GraphicsEngineD3D12/include/BufferD3D12Impl.hpp
index da9fd65e..69f7f0db 100644
--- a/Graphics/GraphicsEngineD3D12/include/BufferD3D12Impl.hpp
+++ b/Graphics/GraphicsEngineD3D12/include/BufferD3D12Impl.hpp
@@ -121,16 +121,17 @@ private:
     DescriptorHeapAllocation m_CBVDescriptorAllocation;
 
     // Align the struct size to the cache line size to avoid false sharing
-    struct alignas(64) CtxDynamicData : D3D12DynamicAllocation
+    static constexpr size_t CacheLineSize = 64;
+    struct alignas(CacheLineSize) CtxDynamicData : D3D12DynamicAllocation
     {
         CtxDynamicData& operator=(const D3D12DynamicAllocation& Allocation)
         {
             *static_cast<D3D12DynamicAllocation*>(this) = Allocation;
             return *this;
         }
-        Uint8 Padding[64 - sizeof(D3D12DynamicAllocation)];
+        Uint8 Padding[CacheLineSize - sizeof(D3D12DynamicAllocation)];
     };
-    static_assert(sizeof(CtxDynamicData) == 64, "Unexpected sizeof(CtxDynamicData)");
+    static_assert(sizeof(CtxDynamicData) == CacheLineSize, "Unexpected sizeof(CtxDynamicData)");
 
     friend class DeviceContextD3D12Impl;
     // Array of dynamic allocations for every device context.
-- 
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