[Mesa-dev] [PATCH 00/47] WIP: fp64 support for r600g

[tournier.elie]

On 24 August 2017 at 15:26, Marc Dietrich <marvin24 at gmx.de> wrote:
> Hi Elie,
>
> Am Mittwoch, 23. August 2017, 13:07:30 CEST schrieb Elie Tournier:
>> From: Elie Tournier <elie.tournier at collabora.com>
>>
>> TL;DR
>> This series is a "status update" of my work done for adding fp64 support on
>> r600g. One of the biggest issue is due to a lake of accuracy on the rcp
>> implementation. Divide relay on rcp.
>>
>> A branch is available on
>> https://github.com/Hopetech/mesa/tree/glsl_arb_gpu_shader_fp64_v3 Comments
>> and reviews are welcome.
>
> what are the hardware requirements for testing this? R600g is a wide range ...

Hello Marc,

My code targets all the cards who doesn't support double but who
support GLSL 1.30:
https://github.com/Hopetech/mesa/blob/glsl_arb_gpu_shader_fp64_v3/src/mesa/state_tracker/st_glsl_to_tgsi.cpp#L7059

So iirc, all r600g cards.

>
> Marc
>
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