Support using C++17 std::byte for FromMemory functions (#545)

Auxiliary/DirectXTexXbox.h

@@ -132,6 +132,39 @@ namespace Xbox
     HRESULT __cdecl SaveToDDSMemory(_In_ const XboxImage& xbox, _Out_ DirectX::Blob& blob);
     HRESULT __cdecl SaveToDDSFile(_In_ const XboxImage& xbox, _In_z_ const wchar_t* szFile);
 
+#ifdef __cpp_lib_byte
+    inline HRESULT __cdecl GetMetadataFromDDSMemory(
+        _In_reads_bytes_(size) const std::byte* pSource, _In_ size_t size,
+        _Out_ DirectX::TexMetadata& metadata, _Out_ bool& isXbox)
+    {
+        return GetMetadataFromDDSMemory(reinterpret_cast<const uint8_t*>(pSource), size, metadata, isXbox);
+    }
+
+    inline HRESULT __cdecl GetMetadataFromDDSMemoryEx(
+        _In_reads_bytes_(size) const std::byte* pSource, _In_ size_t size,
+        _Out_ DirectX::TexMetadata& metadata, _Out_ bool& isXbox,
+        _Out_opt_ DirectX::DDSMetaData* ddPixelFormat)
+    {
+        return GetMetadataFromDDSMemoryEx(reinterpret_cast<const uint8_t*>(pSource), size, metadata, isXbox, ddPixelFormat);
+    }
+
+    inline HRESULT __cdecl LoadFromDDSMemory(
+        _In_reads_bytes_(size) const std::byte* pSource, _In_ size_t size,
+        _Out_opt_ DirectX::TexMetadata* metadata, _Out_ XboxImage& image)
+    {
+        return LoadFromDDSMemory(reinterpret_cast<const uint8_t*>(pSource), size, metadata, image);
+    }
+
+    inline HRESULT __cdecl LoadFromDDSMemoryEx(
+        _In_reads_bytes_(size) const std::byte* pSource, _In_ size_t size,
+        _Out_opt_ DirectX::TexMetadata* metadata,
+        _Out_opt_ DirectX::DDSMetaData* ddPixelFormat,
+        _Out_ XboxImage& image)
+    {
+        return LoadFromDDSMemoryEx(reinterpret_cast<const uint8_t*>(pSource), size, metadata, ddPixelFormat, image);
+    }
+#endif // __cpp_lib_byte
+
     //---------------------------------------------------------------------------------
     // Xbox Texture Tiling / Detiling (requires XG DLL to be present at runtime)
 
@@ -178,4 +211,20 @@ namespace Xbox
         const XboxImage& xbox,
         _Out_writes_bytes_(maxsize) uint8_t* pDestination, _In_ size_t maxsize) noexcept;
 
+#ifdef __cpp_lib_byte
+    inline HRESULT __cdecl EncodeDDSHeader(
+        const XboxImage& xbox,
+        _Out_writes_bytes_(maxsize) std::byte* pDestination, _In_ size_t maxsize) noexcept
+    {
+        return EncodeDDSHeader(xbox, reinterpret_cast<uint8_t*>(pDestination), maxsize);
+    }
+
+    inline HRESULT __cdecl EncodeDDSHeader(
+        const XboxImage& xbox,
+        _Reserved_ std::nullptr_t, _In_ size_t maxsize) noexcept
+    {
+        return EncodeDDSHeader(xbox, static_cast<uint8_t*>(nullptr), maxsize);
+    }
+#endif
+
 } // namespace