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Re: Best practices for OpenGL ES



Am 15.01.2012 03:56, schrieb Paul Wise:
> On Sun, Jan 15, 2012 at 6:09 AM, Tobias Hansen wrote:
> 
>> in the last team meeting one topic was OpenGL ES and I think the
>> consensus was that we should use it. One of my packages (sludge) will
>> support OpenGL ES 2 with the next release. Now I have to decide whether
>> the next package will be built with ordinary GL, GLES2 or to provide two
>> packages. If we provide both, which one should be the default?
>>
>> Does Mesa 3D GLES work for all graphics cards for which GLX drivers are
>> available in Debian (i.e. is there a choice that works everywhere)?
> 
> I think this would be best discussed with the X Strike Force and with
> the maintainers of the non-free drivers (nVidia, fglrx).
> 
> Some thoughts:
> 
> None of the implementations of GLES for embedded GPUs are free, they
> are all binary blobs. There have been rumours of open drivers for ages
> but none of them ever produced actual code releases.
> 
> Mesa 3D GLES is just an overlay API for Gallium3D, so it probably
> where we have mesa using Gallium3D, the API is irrelevant. Probably
> the GLES API library is less memory/etc overhead though since it
> supports less stuff?
> 
> I think this means that fglrx supports GLES:
> 
> http://www.phoronix.com/scan.php?page=news_item&px=ODU0Nw
> 
> I can't find anything about the nVidia desktop/laptop GPU binary
> drivers supporting it. The Tegra mobile GPU ones do though.
> 

Ok, I'm including debian-x before someone else answers. This mail
contains everything that was said so far.

Best regards,
Tobias


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