[Qt-interest] opengl module

[Oliver.Knoll at comit.ch]

ami guru wrote on Thursday, February 05, 2009 4:59 AM:

> ...
> The gpu that i am occupied with has support for pixel buffer .
>
> But the pbuffer example says that the system does not support that.
>
> Any hint to get around that issue?

On which platform? If on Linux chances are that when upgrading your OpenGL driver (or use the vendor's closed source driver maybe, if using an open source one) the problem will be fixed. Having a hardware which supports pixel buffers and a driver which makes them actually available are (unluckily) two different things :/

Apart from that, without providing more information (Qt version, platform, GPU being used, driver version, ...) it's hard to tell what's going wrong. Apart from the usual "use the latest of greatest of each involved software". ;)

For example I can confirm that the Qt examples "opengl/pbuffers" and "opengl/pbuffers2" work as expected on Windows XP SP 2, even on a laptop with some build-in nVidia graphic card...

Cheers, Oliver
--
Oliver Knoll
Dipl. Informatik-Ing. ETH
COMIT AG - ++41 79 520 95 22