[Interest] [qt3d] Few questions about shader management with custom materials

[Sean Harmer]

On Tuesday 21 June 2016 00:03:31 Xavier Bigand wrote:
> Thank you, it's super nice.
> 
> Does qt3d cache the compilation of shaders between two executions of the
> application?

Not yet. :)

Sean

> 
> 2016-06-20 22:54 GMT+02:00 Sean Harmer <sean.harmer at kdab.com>:
> > Hi,
> > 
> > On 20/06/2016 17:17, Xavier Bigand wrote:
> > 
> > Hi,
> > 
> > I am planning to use our custom materials with Qt3D, because will already
> > have an uber shader for the lighting and shadowing of objects.
> > I think that I'll create one material called LightingMaterial that can
> > change the shader's sources depending of his properties, but in this case
> > it seems that I'll instanciate too much shader programs.
> > Are shaderprograms automatically managed in sense of I can instanciate
> > many program with the same code?
> > 
> > 
> > Yes, the OpenGL shader programs are cached and hashed by the renderer.
> > 
> > Cheers,
> > 
> > Sean
> > 
> > 
> > 
> > --
> > Xavier
> > 
> > 
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> > 
> > 
> > --
> > Dr Sean Harmer | sean.harmer at kdab.com | Managing Director UK
> > KDAB (UK) Ltd, a KDAB Group company
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-- 
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