Antialias

So Rob's friend's suggestion

surfaceDesc.dwFlags = DDSD_CAPS|DDSD_BACKBUFFERCOUNT;

surfaceDesc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX | DDSCAPS_3DDEVICE;

surfaceDesc.ddsCaps.dwCaps2 = DDSCAPS2_HINTANTIALIASING;

doesn't work?