Re: Cogl materials, pipelines etc.

[Lionel Landwerlin <llandwerlin gmail com>]

Hi,

I guess you might want to ask these questions on the Cogl mailing list :

http://lists.freedesktop.org/mailman/listinfo/cogl

On Fri, 2014-01-03 at 23:04 +0100, Elias Bakken wrote:
> Hi!
> I've been looking at integrating a 3D model in a Clutter app lately
> using Python, and I've been having trouble setting the material of a
> model. I can import a model using Mash but I can not make a material
> using the Cogl.Material() method (I get  MemoryError). 
>
>
> Looking at the Material reference for Cogl, the functions seem to be
> deprecated and replaced by the Pipeline API, which is defined in the
> experimental API and explicitly undefined (-U) in the introspection
> section of the Makefile for Cogl. This has been discussed in a long
> thread from 2012 thread on the Cogl mailing list:
> http://lists.freedesktop.org/archives/cogl/2012-April/000094.html

I've been looking at using Cogl from gjs and by that I mean the new
experimental API.
There is a branch to generate introspection data for the new APIs :

http://lists.freedesktop.org/archives/cogl/2013-December/001494.html

Though it relies on relies on fundamental objects in your binding layer.
That doesn't exist current in gjs :

https://bugzilla.gnome.org/show_bug.cgi?id=621716

You might need the same support in python, I have no idea whether that's
already working.

> So what is the best option for getting some basic material working?
> Should I try to fix the dated Material functions or is it better to
> compile the introspection-next branch? 

Just give a try to the introspection branch. If non of the new APIs show
up in the bindings, then the easiest solution is to fix the Material
functions.

> I realize that this post might be better suited for the Cogl list, but
> it is perhaps mostly the same people? : | 
>
>
> -- 
> Kind regards, 
> -Elias
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