[Mesa-users] EGL & OpenGLES2 without X

[Will Wagner]

On 22/05/2014 20:40, Pekka Paalanen wrote:
> On Thu, 22 May 2014 09:01:50 -0600
> Brian Paul <brianp at vmware.com> wrote:
>
>> On 05/22/2014 08:50 AM, Will Wagner wrote:
>>> On 22/05/2014 15:48, Brian Paul wrote:
>>>> On 05/22/2014 04:55 AM, Will Wagner wrote:
>>>>>
>>>>> Is it possible to build mesa without X so that it supports
>>>>> the standard EGL calls or is there no way of doing this
>>>>> without using the mesa extension?
>>>>
>>>> Well, if you don't have X you don't have windowing so there's
>>>> only full-screen rendering.
>>>
>>> Sorry, should have said, full screen rendering is exactly what
>>> I want (And is what the e2gears demo does when it uses the
>>> custom mesa surface api). What I want to know is it possible to
>>> get full screen rendering without the mesa extension.
>>
>> I haven't looked at the EGL code in years, but I don't think
>> there's support for that.
>
> The EGL DRM/GBM platform is designed to run on bare DRM/KMS with
> the help of libgbm. An advanced example is Weston, the reference
> Wayland compositor.
>
> A simpler example is https://github.com/robclark/kmscube
>
> Whether you would consider the EGL GBM platform as standard or a
> Mesa "extension" is up to you. It is possible to implement it also
> outside of Mesa, and I think some (one? proprietary?) driver stacks
> might actually do that.

Hi Pekka,

That certainly looks like what I want, once gbm is set up I can use 
standard egl calls.

What gallium/dri/gbm configure options do you think are required?

Many thanks
Will


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