[3/3] wined3d: Handle CTXUSAGE_BLIT with offscreen targets and FBO ORM

[H. Verbeet]

2008/8/4 Stefan Dösinger <stefan at codeweavers.com>:
>> This is mostly for correctness, in practice we should always be able to
>> avoid using CTXUSAGE_BLIT for offscreen targets when FBO ORM is used.
> Not always actually. With my upcoming patches to perform YUV conversion in
> Blt I'll have to avoid the fbo_blit codepath in some situations even if
> fbo_blit is available and fbos are used
>
Yes, but for offscreen targets you can always read from the texture.