[Beignet] Status of cl_khr_gl_sharing

[Yang, Rong R]

Commit a892148 has re-implement this extension, use the eglExportDMABUFImageMESA and 
glGetTexLevelParameteriv to get sharing buffer's informatin.
Now it require the libEGL.so and libGL.so's version >= 13.0.

But this extension is partially implemented, only support clCreateFromGLTexture2D.

> -----Original Message-----
> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of
> Simon Richter
> Sent: Thursday, August 3, 2017 12:28 AM
> To: beignet at lists.freedesktop.org
> Subject: Re: [Beignet] Status of cl_khr_gl_sharing
> 
> Hi,
> 
> On 01.08.2017 23:39, Rebecca N. Palmer wrote:
> 
> > As beignet's Debian maintainer, I am considering whether to enable
> > CL-GL sharing in our package, given its incomplete state.
> 
> I haven't looked at it since the initial package, because back then it required the
> Mesa source code in order to get offsets into an internal structure.
> 
> If that has changed, I'd be totally in favour of enabling it, because we're early in
> the buster cycle, so this is the time to get "new"
> features in.
> 
>    Simon