[Mesa-dev] About the current EGL & GLES 1.x implementation

Chia-I Wu olvaffe at gmail.com
Fri Aug 26 01:11:54 PDT 2011

On Fri, Aug 26, 2011 at 3:52 PM, Ilyes Gouta <ilyes.gouta at gmail.com> wrote:
> Thanks a lot Chia-l,
> In general, do you guys keep a matrix (per driver, mesa version),
> where supported and unsupported features are listed?
Some of the driver developers do, but I am not sure if they have
GLESv1 covered.  I will let other developers comment.
> Also, is there a reference renderer in mesa that I can toggle on at
> runtime (such as using an env. variable) so that I can compare with
> the hardware accelerated rendering?
There is a software renderer.  You can add swrast to
--with-gallium-drivers.  Set LIBGL_ALWAYS_SOFTWARE=1 at runtime and it
will make EGL pick swrast up.

> Thanks a lot,
> -Ilyes
> On Fri, Aug 26, 2011 at 4:24 AM, Chia-I Wu <olvaffe at gmail.com> wrote:
>> On Fri, Aug 26, 2011 at 3:39 AM, Ilyes Gouta <ilyes.gouta at gmail.com> wrote:
>>> Hi,
>>> Is there any document describing the current status of the EGL & GLES
>>> 1.x implementation for X11?
>>> I've got already some code compiling and running but I'd like to have
>>> a clear idea on the currently implemented feature set (w/ details if
>>> possible, per driver?) and any future plan to beef it up. I'm looking
>>> for information such as the blending modes of glBlendFunc(), lighting,
>>> glTexEnvi() modes, etc.
>> GL and GLES share the same core in Mesa.  So what works under GL for
>> your hardware is likely to work under GLES.  But you might run into
>> issues with Intel hardware as GLESv1 extensions are not properly
>> enabled yet.
>>> Thanks,
>>> -Ilyes
>>> _______________________________________________
>>> mesa-dev mailing list
>>> mesa-dev at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>> --
>> olv at LunarG.com

olv at LunarG.com

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