include: Add d3dx11 error codes.

include/d3dx11.h

@@ -28,6 +28,23 @@
 
 #include "d3d11.h"
 #include "d3dx11core.h"
+#include "d3dx11async.h"
 #include "d3dx11tex.h"
 
+#define _FACDD 0x876
+#define MAKE_DDHRESULT(code) MAKE_HRESULT(SEVERITY_ERROR, _FACDD, code)
+
+enum _D3DX11_ERR
+{
+    D3DX11_ERR_CANNOT_MODIFY_INDEX_BUFFER = MAKE_DDHRESULT(2900),
+    D3DX11_ERR_INVALID_MESH               = MAKE_DDHRESULT(2901),
+    D3DX11_ERR_CANNOT_ATTR_SORT           = MAKE_DDHRESULT(2902),
+    D3DX11_ERR_SKINNING_NOT_SUPPORTED     = MAKE_DDHRESULT(2903),
+    D3DX11_ERR_TOO_MANY_INFLUENCES        = MAKE_DDHRESULT(2904),
+    D3DX11_ERR_INVALID_DATA               = MAKE_DDHRESULT(2905),
+    D3DX11_ERR_LOADED_MESH_HAS_NO_DATA    = MAKE_DDHRESULT(2906),
+    D3DX11_ERR_DUPLICATE_NAMED_FRAGMENT   = MAKE_DDHRESULT(2907),
+    D3DX11_ERR_CANNOT_REMOVE_LAST_ITEM    = MAKE_DDHRESULT(2908)
+};
+
 #endif