#ifndef _D3DHALEX_H #define _D3DHALEX_H #define D3DGDI_IS_GDI2(pData) ((((DD_GETDRIVERINFO2DATA*)(pData->lpvData))->dwMagic) == D3DGDI2_MAGIC) #define D3DGDI_IS_STEREOMODE(pData) ((((DD_STEREOMODE*) (pData->lpvData))->dwHeight) != D3DGDI2_MAGIC) #define D3DGDI_GET_GDI2_DATA(pData) (D3DGDI_IS_GDI2(pData) ? (((DD_GETDRIVERINFO2DATA*)(pData->lpvData))) : NULL) #define D3DGDI_GET_STEREOMODE_DATA(pData) (D3DGDI_IS_STEREOMODE(pData) ? (((DD_STEREOMODE*)(pData->lpvData))) : NULL) #endif /* _D3DHALEX_H */