[Interest] [Qt][Qml] Using OpenGL CoreProfile status

Jérôme Godbout jerome at bodycad.com
Thu Apr 21 15:21:11 CEST 2016


Thanks Sean, this is roughly what I was expecting. If anybody have try the
GraphicalEffects with core profiles I would love to have your inputs.

Thanks again,
Jerome

On Thu, Apr 21, 2016 at 4:19 AM, Sean Harmer <sean.harmer at kdab.com> wrote:

> Hi,
>
> On Wednesday 20 April 2016 15:43:17 Jérôme Godbout wrote:
> > Hi,
> > We have move from 5.2 to 5.5, we are trying to plan to move to OpenGL
> > CoreProfile and finaly ditch the old CompatiblityProfile.
> >
> > Normaly I would just test it out, but I have another library that need to
> > be port too (we are using VL 1.0, which doesn't play well with
> CoreProfile,
> > there's a 2.0 branch but it's not there yet.). So I cannot just move our
> > code base like that.
> >
> > I would like to known if I should plan much work to move our Qt / Qml
> > implementation to CoreProfile ?
> >
> > Controls were still buggy in core profile not so long ago in 5.2 at
> least,
> > I wonder if this still the case? is anything else like QmlShader
> > GraphicalEffect are playing nicely with core profile?
>
> I think I fixed the broken shader that the core profile was complaining
> about.
> The thing to watch out for is if your application makes use of ShaderEffect
> directly or via QtGraphicalEffects. For direct use you'll need to port the
> GLSL - there's still no way of selecting between shaders based upon the
> profile
> or version in use within Qt Quick. I've not tried the qtgraphicaleffects
> module with core profile, it may well need porting which given the above
> comment about not being able to detect profile in use may be interesting.
>
> Other than that I think Qt Quick 2 works fine with the core profile. If
> you find
> something that doesn't, please file a JIRA.
>
> Cheers,
>
> Sean
> --
> Dr Sean Harmer | sean.harmer at kdab.com | Managing Director UK
> KDAB (UK) Ltd, a KDAB Group company
> Tel. +44 (0)1625 809908; Sweden (HQ) +46-563-540090
> Mobile: +44 (0)7545 140604
> KDAB - Qt Experts
>
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