  !

:
DirectX     -           DirectX 9.

DirectX 10  -   DLL      Windows XP  Windows 2003     DirectX 10

DirectX 11  -  DLL       DirectX 11  Windows Vista

GameFix     -        ,      

OpenGL      -             OpenGL (  Half-Life 1  Counter-Strike)


 ( Windows XP):
dx9.reg     -   DirectX    DX9

dx10.reg    -   DirectX    DX10

dx11.reg    -   DirectX    DX11