[4/8] [d3d9] handle invalid usage/pool combinations in CreateVolumeTexture

[H. Verbeet]

2008/7/14 Stefan Dösinger <stefan at codeweavers.com>:
>> As you note in your comment, most of this should go into wined3d. I
>> also think this should for the most part use the same code that is
>> used for CheckDeviceFormat in dlls/wined3d/directx.c. Roderick would
>> probably be able to help you best there, but he's currently away.
> I am not sure, ddraw has different pool requirements and behaviors I think.
> e.g. ddraw can create sysmem render targets it seems. (Of course ddraw
> doesn't do volume textures, but I think we shouldn't apply different rules
> to volume and 2D textures)
>
I was referring to the usage flags.