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d3d9_helpers.h
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00001 /* 00002 * COPYRIGHT: See COPYING in the top level directory 00003 * PROJECT: ReactOS ReactX 00004 * FILE: dll/directx/d3d9/d3d9_helpers.h 00005 * PURPOSE: d3d9.dll helper functions 00006 * PROGRAMERS: Gregor Brunmar <gregor (dot) brunmar (at) home (dot) se> 00007 */ 00008 #ifndef _D3D9_HELPERS_H_ 00009 #define _D3D9_HELPERS_H_ 00010 00011 #include "d3d9_common.h" 00012 #include "d3d9_private.h" 00013 00014 00015 /* Reads a registry value if it's of the correct value type */ 00016 BOOL ReadRegistryValue(IN DWORD ValueType, IN LPCSTR ValueName, OUT LPBYTE DataBuffer, IN OUT LPDWORD DataBufferSize); 00017 00018 /* Safe string formatting */ 00019 HRESULT SafeFormatString(IN OUT LPSTR Buffer, IN DWORD BufferSize, IN LPCSTR FormatString, ... ); 00020 HRESULT SafeCopyString(OUT LPSTR Dst, IN DWORD DstSize, IN LPCSTR Src); 00021 HRESULT SafeAppendString(IN OUT LPSTR Dst, IN DWORD DstSize, IN LPCSTR Src); 00022 00023 /* Allocates memory and returns an aligned pointer */ 00024 HRESULT AlignedAlloc(IN OUT LPVOID *ppObject, IN SIZE_T dwSize); 00025 00026 /* Frees memory allocated with AlignedAlloc */ 00027 VOID AlignedFree(IN OUT LPVOID pObject); 00028 00029 00030 #endif // _D3D9_HELPERS_H_
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