WineD3D: request alpha in backbuffer mode, to work correctly with multiple opengl pixel formats

[Stefan Dösinger]

Am Freitag, 22. Februar 2008 23:31:43 schrieb Roderick Colenbrander:
> Hi,
>
> In the default backbuffer based renderer in WineD3D the front and
> backbuffer share the same pixel format while D3D itself decouples them. A
> lot of applications use alpha on the backbuffer, so make sure we have
> alpha. This change is needed because the single pixel format which we had
> before always had alpha.

> +        /* In case of ORM_BACKBUFFER, make sure to request an alpha 
component for X4R4G4B4/X8R8G8B8 as we might need it for the backbuffer. */
It would be for offscreen buffers, not the back buffer. I'm sorry for the 
confusion in the earlier mail
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