d3dx9: Implement ID3DXSprite_Begin/End [PATCH 3/5]

[Alexandre Julliard]

Tony Wasserka <tony.wasserka at freenet.de> writes:

> +    /* About This->flags:
> +           != D3DXSPRITE_FLAGLIMIT+1 means we have already called ID3DXSprite_Begin
> +           == D3DXSPRITE_FLAGLIMIT+1 means we have either called D3DXCreateSprite or ID3DXSprite_End
> +       In the first case we return D3DERR_INVALIDCALL, in the other one we can continue.
> +       For ID3DXSprite_Flush/Draw This->flags must be < D3DXSPRITE_FLAGLIMIT+1. */
> +    if(flags>D3DXSPRITE_FLAGLIMIT || This->flags!=D3DXSPRITE_FLAGLIMIT+1)
> +        return D3DERR_INVALIDCALL;

That's ugly, if you need to know if Begin has been called you should
store a separate flag for that.

-- 
Alexandre Julliard
julliard at winehq.org