From e9963a8d675a251b8d28d3da2a5678f217709782 Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Sun, 2 Sep 2018 12:03:43 -0700
Subject: Implemented texture mapping in Vulkan (fixed
 https://github.com/DiligentGraphics/DiligentCore/issues/28)

---
 Graphics/GraphicsEngineD3D12/include/DeviceContextD3D12Impl.h | 8 ++++----
 Graphics/GraphicsEngineD3D12/src/DeviceContextD3D12Impl.cpp   | 9 ++++-----
 2 files changed, 8 insertions(+), 9 deletions(-)

(limited to 'Graphics/GraphicsEngineD3D12')

diff --git a/Graphics/GraphicsEngineD3D12/include/DeviceContextD3D12Impl.h b/Graphics/GraphicsEngineD3D12/include/DeviceContextD3D12Impl.h
index bfde19bb..ea70fc8a 100644
--- a/Graphics/GraphicsEngineD3D12/include/DeviceContextD3D12Impl.h
+++ b/Graphics/GraphicsEngineD3D12/include/DeviceContextD3D12Impl.h
@@ -212,25 +212,25 @@ private:
 
     std::vector<std::pair<Uint64, RefCntAutoPtr<IFence> > > m_PendingFences;
 
-    struct TextureUploadAllocationKey
+    struct MappedTextureKey
     {
         TextureD3D12Impl* const Texture;
         UINT              const Subresource;
 
-        bool operator == (const TextureUploadAllocationKey& rhs)const
+        bool operator == (const MappedTextureKey& rhs)const
         {
             return Texture      == rhs.Texture &&
                    Subresource  == rhs.Subresource;
         }
         struct Hasher
         {
-            size_t operator()(const TextureUploadAllocationKey& Key)const
+            size_t operator()(const MappedTextureKey& Key)const
             {
                 return ComputeHash(Key.Texture, Key.Subresource);
             }
         };
     };
-    std::unordered_map<TextureUploadAllocationKey, TextureUploadSpace, TextureUploadAllocationKey::Hasher> m_TextureUploadAllocations;
+    std::unordered_map<MappedTextureKey, TextureUploadSpace, MappedTextureKey::Hasher> m_MappedTextures;
 };
 
 }
diff --git a/Graphics/GraphicsEngineD3D12/src/DeviceContextD3D12Impl.cpp b/Graphics/GraphicsEngineD3D12/src/DeviceContextD3D12Impl.cpp
index 52898a5d..1f7ab435 100644
--- a/Graphics/GraphicsEngineD3D12/src/DeviceContextD3D12Impl.cpp
+++ b/Graphics/GraphicsEngineD3D12/src/DeviceContextD3D12Impl.cpp
@@ -933,13 +933,12 @@ namespace Diligent
     {
         const auto& TexDesc = TextureD3D12.GetDesc();
         auto UploadSpace = AllocateTextureUploadSpace(TexDesc.Format, MapRegion);
-        const auto AlignedOffset = (UploadSpace.Allocation.Offset + (D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT-1)) & ~(D3D12_TEXTURE_DATA_PLACEMENT_ALIGNMENT-1);
         MappedData.pData       = reinterpret_cast<Uint8*>(UploadSpace.Allocation.CPUAddress) + (UploadSpace.AlignedOffset - UploadSpace.Allocation.Offset);
         MappedData.Stride      = UploadSpace.Stride;
         MappedData.DepthStride = UploadSpace.DepthStride;
 
         auto Subres = D3D12CalcSubresource(MipLevel, ArraySlice, 0, TexDesc.MipLevels, TexDesc.ArraySize);
-        auto it = m_TextureUploadAllocations.emplace(TextureUploadAllocationKey{&TextureD3D12, Subres}, std::move(UploadSpace));
+        auto it = m_MappedTextures.emplace(MappedTextureKey{&TextureD3D12, Subres}, std::move(UploadSpace));
         if(!it.second)
             LOG_ERROR_MESSAGE("Mip level ", MipLevel, ", slice ", ArraySlice, " of texture '", TexDesc.Name, "' has already been mapped");
     }
@@ -950,8 +949,8 @@ namespace Diligent
     {
         const auto& TexDesc = TextureD3D12.GetDesc();
         auto Subres = D3D12CalcSubresource(MipLevel, ArraySlice, 0, TexDesc.MipLevels, TexDesc.ArraySize);
-        auto UploadSpaceIt = m_TextureUploadAllocations.find(TextureUploadAllocationKey{&TextureD3D12, Subres});
-        if(UploadSpaceIt != m_TextureUploadAllocations.end())
+        auto UploadSpaceIt = m_MappedTextures.find(MappedTextureKey{&TextureD3D12, Subres});
+        if(UploadSpaceIt != m_MappedTextures.end())
         {
             auto& UploadSpace = UploadSpaceIt->second;
             CopyTextureRegion(UploadSpace.Allocation.pBuffer,
@@ -962,7 +961,7 @@ namespace Diligent
                               TextureD3D12,
                               Subres,
                               UploadSpace.Region);
-            m_TextureUploadAllocations.erase(UploadSpaceIt);
+            m_MappedTextures.erase(UploadSpaceIt);
         }
         else
         {
-- 
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