[Mesa-dev] [PATCH v1 5/7] android: enable texture-float

[Emil Velikov]

On 16 June 2017 at 15:45, Matt Turner <mattst88 at gmail.com> wrote:
> On Fri, Jun 16, 2017 at 6:18 AM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
>> On 15 June 2017 at 21:47, Robert Foss <robert.foss at collabora.com> wrote:
>>> From: Rob Herring <robh at kernel.org>
>>>
>>> This is required by freedreno at least for GLES3 support.
>>>
>>> See docs/patents.txt for information about turning this on for s/w
>>> renderers.
>>>
>> I'm inclined to agree with Tapani. We're not lawyers and with the
>> patent expiring in half a year, I think we can defer this toggle to
>> builders and their legal teams ;-)
>
> It's not expiring in half a year.
>
> ARB_texture_float references US Patent #6,650,327 [1]: which was filed
> June 16 1998.
>
> According to [2], the patent expires 20 years from the filing date,
> giving an expiration of June 17 2018. So, 1 year and 1 day.
>
> And for good measure, the patent on S3TC [3] expires Oct 2 2017. I
> think we should have a party :)
>
Apologies for the mix up and thanks for the correction Matt. A S3TC
goodbye party sounds like a plan ;-)

-Emil