Re: Mesa + llvmpipe + wglCreateContextAttribsARB

Thanks Brian,

We were not providing a WGL_CONTEXT_PROFILE_MASK_ARB so it should be
landing on core so I'm probably barking up the wrong tree. I'll see if I
can track down a bit more on my end.

Thanks so much for responding
Ken



On Thu, Sep 29, 2016 at 7:54 PM, Brian Paul <[email protected]> wrote:

> On 09/29/2016 07:06 AM, Ken Martin wrote:
>
>>
>> Howdy,
>>
>> Does someone here know if Mesa supports wglCreateContextAttribsARB ? We
>> have someone deploying using Mesa to a Windows VM and they are running
>> into issues that make me suspect that wglCreateContextAttribsARB is
>> either not implemented or not correctly returning a >= 3.2 context. This
>> is with llvmpipe as a renderer. If wglCreateContextAttribsARB is not
>> implemented is there another way to get a 3.2 context from Mesa on
>> windows that I should be looking at?
>>
>> Thanks a bunch!
>> Ken
>>
>
> wglCreateContextAttribsARB is supported.
>
> My first hunch is this is a core vs. compatibility profile issue.  Since
> Mesa only supports core profile for GL 3.2 and later, when you call
> wglCreateContextAttribsARB() you have to specify the profile attribute as
> core (WGL_CONTEXT_PROFILE_MASK_ARB = WGL_CONTEXT_CORE_PROFILE_BIT_ARB).
>
> -Brian
>
>


-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

This communication, including all attachments, contains confidential and
legally privileged information, and it is intended only for the use of the
addressee.  Access to this email by anyone else is unauthorized. If you are
not the intended recipient, any disclosure, copying, distribution or any
action taken in reliance on it is prohibited and may be unlawful. If you
received this communication in error please notify us immediately and
destroy the original message.  Thank you.

_______________________________________________
mesa-users mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/mesa-users