--- /dev/null
+/*
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS ReactX
+ * FILE: dll/directx/d3d9/d3d9_callbacks.h
+ * PURPOSE: Direct3D9's callback structs and constants
+ * PROGRAMERS: Gregor Gullwi <gbrunmar (dot) ros (at) gmail (dot) com>
+ */
+#ifndef _D3D9_CALLBACKS_H_
+#define _D3D9_CALLBACKS_H_
+
+typedef enum _D3D9_GETAVAILDRIVERMEMORY_TYPE
+{
+ D3D9_GETAVAILDRIVERMEMORY_TYPE_ALL = 0,
+ D3D9_GETAVAILDRIVERMEMORY_TYPE_LOCAL = 4,
+ D3D9_GETAVAILDRIVERMEMORY_TYPE_NONLOCAL = 5,
+} D3D9_GETAVAILDRIVERMEMORY_TYPE;
+
+#define D3D9_TEXTURETYPE_HALSURFACE 1
+#define D3D9_TEXTURETYPE_BACKBUFFER 2
+
+typedef struct _D3D9_GETAVAILDRIVERMEMORYDATA
+{
+/* 0x0000 */ struct _D3D9_Unknown6BC* pUnknown6BC;
+/* 0x0004 */ D3D9_GETAVAILDRIVERMEMORY_TYPE dwMemoryType;
+/* 0x0008 */ DWORD dwTextureType;
+/* 0x000c */ DWORD dwFree;
+} D3D9_GETAVAILDRIVERMEMORYDATA, FAR* LPD3D9_GETAVAILDRIVERMEMORYDATA;
+
+typedef DWORD (WINAPI FAR* LPD3D9_GETAVAILDRIVERMEMORY)(LPD3D9_GETAVAILDRIVERMEMORYDATA);
+
+DWORD WINAPI D3d9GetAvailDriverMemory(LPD3D9_GETAVAILDRIVERMEMORYDATA pData);
+
+#endif // _D3D9_CALLBACKS_H_