[Development] Qt3D on windows

Gunnar Sletta gunnar at sletta.org
Mon Oct 13 07:48:15 CEST 2014


On 12 Oct 2014, at 22:18, Sean Harmer <sean.harmer at kdab.com> wrote:

> On 12/10/2014 21:08, Ray Donnelly wrote:
>> On Sun, Oct 12, 2014 at 8:56 PM, Sean Harmer <sean.harmer at kdab.com> wrote:
>>> Hi,
>>> 
>>> just a quick heads up that Qt3D's wip/newapi branch now displays content
>>> usign threaded rendering on windows. I've tested with MSVC 2012 OpenGL
>>> x86_64 build with nVidia driver. Your mileage may vary with other
>>> drivers, compilers and OpenGL configurations. I wouldn't be surprised to
>>> find a few places need tweaks with a dynamic OpenGL build.
>> Angle doesn't do multithreaded rendering, will it be possible to use
>> Qt3D on Angle?
> 
> Well, we're only doing actual GL calls on a single thread, it just 
> happens that it's not the main thread.

Does that include the QOpenGLContext creation? We've thus far required that QOpenGLContext gets created on the GUI thread and then moved to the rendering thread. 

cheers,
Gunnar

> If ANGLE supports that then yes, 
> we have an ES 2 backend that can be used. If not we'll need to try to 
> come up with an alternative solution but to be honest we have enough 
> variations dealing with real OpenGL implementations so we shall see how 
> much of a time sink it becomes.
> 
> Cheers,
> 
> Sean
> 
> -- 
> Dr Sean Harmer | sean.harmer at kdab.com | Managing Director UK
> Klarälvdalens Datakonsult AB, a KDAB Group company
> Tel. Sweden (HQ) +46-563-540090, USA +1-866-777-KDAB(5322)
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