Initial commit

1 files changed, 103 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/directx/SDL_d3d12.h b/contrib/SDL-3.2.8/src/video/directx/SDL_d3d12.h
new file mode 100644
index 0000000..3173558
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+++ b/contrib/SDL-3.2.8/src/video/directx/SDL_d3d12.h
@@ -0,0 +1,103 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_D3D12_H
+#define SDL_D3D12_H
+
+#if !(defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES))
+
+/* From the DirectX-Headers build system:
+ * "MinGW has RPC headers which define old versions, and complain if D3D
+ * headers are included before the RPC headers, since D3D headers were
+ * generated with new MIDL and "require" new RPC headers."
+ */
+#define __REQUIRED_RPCNDR_H_VERSION__ 475
+
+// May not be defined in winapifamily.h, can safely be ignored
+#ifndef WINAPI_PARTITION_GAMES
+#define WINAPI_PARTITION_GAMES 0
+#endif // WINAPI_PARTITION_GAMES
+
+#define COBJMACROS
+#include "d3d12.h"
+#include <dxgi1_6.h>
+#include <dxgidebug.h>
+
+#define D3D_GUID(X) &(X)
+
+#define D3D_SAFE_RELEASE(X)      \
+    if (X) {                     \
+        (X)->lpVtbl->Release(X); \
+        X = NULL;                \
+    }
+
+/* Some D3D12 calls are mismatched between Windows/Xbox, so we need to wrap the
+ * C function ourselves :(
+ */
+#define D3D_CALL_RET(THIS, FUNC, ...) (THIS)->lpVtbl->FUNC((THIS), ##__VA_ARGS__)
+
+#else // !(defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES))
+
+#if defined(SDL_PLATFORM_XBOXONE)
+#include <d3d12_x.h>
+#else // SDL_PLATFORM_XBOXSERIES
+#include <d3d12_xs.h>
+#endif
+
+#define D3D_GUID(X) (X)
+
+#define D3D_SAFE_RELEASE(X) \
+    if (X) {                \
+        (X)->Release();     \
+        X = NULL;           \
+    }
+
+// Older versions of the Xbox GDK may not have this defined
+#ifndef D3D12_TEXTURE_DATA_PITCH_ALIGNMENT
+#define D3D12_TEXTURE_DATA_PITCH_ALIGNMENT 256
+#endif
+#ifndef D3D12_RESOURCE_STATE_ALL_SHADER_RESOURCE
+#define D3D12_RESOURCE_STATE_ALL_SHADER_RESOURCE ((D3D12_RESOURCE_STATES) (0x40 | 0x80))
+#endif
+#ifndef D3D12_HEAP_TYPE_GPU_UPLOAD
+#define D3D12_HEAP_TYPE_GPU_UPLOAD ((D3D12_HEAP_TYPE) 5)
+#endif
+
+// DXGI_PRESENT flags are removed on Xbox
+#define DXGI_PRESENT_ALLOW_TEARING 0
+
+// Xbox D3D12 does not define the COBJMACROS, so we need to define them ourselves
+#include "SDL_d3d12_xbox_cmacros.h"
+
+// They don't even define the CMACROS for ID3DBlob, come on man
+#define ID3D10Blob_GetBufferPointer(blob) blob->GetBufferPointer()
+#define ID3D10Blob_GetBufferSize(blob) blob->GetBufferSize()
+#define ID3D10Blob_Release(blob) blob->Release()
+
+/* Xbox's D3D12 ABI actually varies from Windows, if a function does not exist
+ * in the above header then you need to use this instead :(
+ */
+#define D3D_CALL_RET(THIS, FUNC, RETVAL, ...) *(RETVAL) = (THIS)->FUNC(__VA_ARGS__)
+
+#endif // !(defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES))
+
+#endif // SDL_D3D12_H