[Mesa-dev] Vulkan extensions

[Dave Airlie]

On 15 September 2017 at 09:12, Jordan Justen <jordan.l.justen at intel.com> wrote:
> On 2017-09-14 15:36:10, Romain Failliot wrote:
>> Le 14 sept. 2017 6:11 PM, "Bas Nieuwenhuizen" <bas at basnieuwenhuizen.nl> a
>> écrit :
>>
>> > For vulkan, because 1.0 is the initial version, there are no
>> > extensions to implement to get to that version, so having an
>> > extensions list would be nonsensical.
>>
>> I don't think it is nonsensical, say the nouveau devs starts to work on a
>> Vulkan 1.0 driver and they'd like to show their progress in features.txt. I
>> think it would be interesting for them to have the list of extensions to
>> implement to be Vulkan 1.0 compliant, so they could flag which extensions
>> are done, in progress or not started.
>
> That would be fine, except I don't think the 1.0 features are bucketed
> into a set of 'extensions'. Right? I thought 1.0 was the baseline, and
> extensions were built upon that.
>

I think Romain missed Bas's point. There is no extension list to get to 1.0.
1.0 is step one. The closest thing is probably the device features list,
and even that you don't expect any device to fill all of it, so what 100% is
differs for every device.

Dave.