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

[Ian Romanick]

On 06/16/2017 06:25 AM, Rob Clark wrote:
> On Fri, Jun 16, 2017 at 9:18 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 ;-)
>>
> 
> Not really sure what msg from Tapani you are referring to.  But tbh,
> what we really want is a separate option for sw renderers.

As far as I'm aware, when SGI still existed, their position was that the
patent didn't even apply to software renderers.  I *thought* Dave added
the option because he didn't want Red Hat to be exposed if whoever owned
the IP got sue happy about enabling a hardware implementation (i.e.,
contributory infringement).

> I'm not sure if there is any use to build swrast/llvmpipe for android
> build, so maybe the thing to do is remove them (if they are built for
> android currently), and then enable texture-float.
> BR,
> -R
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