Microsoft DirectX 9.0 |
The GetBltStatus method returns the blitter status.
Syntax
HRESULT GetBltStatus(
DWORD dwFlags
);
Parameters
dwFlags
One of the following values.
Value | Description |
DDGBS_CANBLT | Query whether a blit involving this surface can occur now. The method returns DD_OK if the blit can be completed. |
DDGBS_ISBLTDONE | Query whether the blit is done. The method returns DD_OK if the last blit on this surface has completed. |
Return Values
Value | Description |
DD_OK | The method succeeded and a blitter is present |
DDERR_INVALIDPARAMS | One or more of the input parameters is invalid. |
DDERR_INVALIDOBJECT | DirectDraw received a pointer that was an invalid DirectDraw object. |
DDERR_SURFACELOST | Access to this surface is being refused because the surface memory is gone. The DirectDrawSurface object representing this surface should have Restore called on it. |
DDERR_SURFACEBUSY | Access to this surface is being refused because the surface is already locked by another thread. |
DDERR_UNSUPPORTED | Action not supported. |
DDERR_WASSTILLDRAWING | Informs DirectDraw that the previous Blt which is transfering information to or from this Surface is incomplete. |
DDERR_NOBLTHW | No blitter hardware present. |
See Also