[Mesa-dev] [PATCH 2/2] glsl/gsraytrace: Use EXT_transform_feedback instead of, NV.

[Marek Olšák]

We should use the GL 3.0 functions for transform feedback. That way we
don't have to rely on what extensions are exposed, as
EXT_transform_feedback is part of the GL spec anyway. Exposing the
extensions incorporated into the GL spec is optional and NVIDIA
obviously decided not to do so in this case.

Marek

On Mon, Jul 22, 2013 at 5:11 PM, Brian Paul <brian.e.paul at gmail.com> wrote:
> On Wed, Jun 12, 2013 at 9:34 AM, Fabian Bieler <fabianbieler at fastmail.fm>
> wrote:
>>
>> NV_transform_feedback is currently not supported by mesa (and I'm
>> somewhat doubtful it will be implemented in the foreseeable future).
>>
>> Note that with this patch the demo doesn't work anymore with the nvidia
>> binary driver.
>
>
>
> I just rediscovered this message while going through old messages.
>
> Is the issue that there's a bug in NVIDIA's EXT_transform_feedback?
>
> Would it be possible for the demo to try to use NV_transform_feedback when
> available, but use the EXT version otherwise?  With demos like this it's
> nice to be able to compare Mesa to other drivers.
>
> -Brian
>
>
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