On 2010-06-19 06:47, Dirk Reiners wrote:
>
> Hi Marcus, hi Johannes
>
> On 06/18/2010 04:07 AM, Marcus Lindblom wrote:
>>
>> Yup.
>>
>> One idea would ne to add an extra viewport on top (that is rendered
>> _after_ the image-grab, but shown to the user) which just holds a
>> screenshot (to show the same picture) or a placeholder image ("printing
>> in progress") or somesuch.
>
> the major problem with using visible windows is that they are not guaranteed
> to
> be rednere3d correctly/completely when part of the window is obscured. Try to
> put another window on top of your render window and things will get
> interesting,
> and there is not way to detect that.
>
> FBOs are definitely the way to go here... *duck*
True, but as Johannes said, they don't support multi-sampling on all
cards, so they're not really viable in all cases. :-|
Cheers,
/Marcus
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