On Tue, Jun 13, 2017 at 2:33 AM, Roland Scheidegger wrote:
> Am 13.06.2017 um 02:05 schrieb Ilia Mirkin:
>> On Mon, Jun 12, 2017 at 7:57 PM, Roland Scheidegger
>> wrote:
>>> FWIW surely on nv50 you could keep a single mad instruction for umad
>>> (sad maybe too?). (I'm actually wondering if the
Am 13.06.2017 um 02:05 schrieb Ilia Mirkin:
> On Mon, Jun 12, 2017 at 7:57 PM, Roland Scheidegger
> wrote:
>> FWIW surely on nv50 you could keep a single mad instruction for umad
>> (sad maybe too?). (I'm actually wondering if the hw really can't do
>> unfused float multiply+add as a single instr
On Mon, Jun 12, 2017 at 7:57 PM, Roland Scheidegger wrote:
> FWIW surely on nv50 you could keep a single mad instruction for umad
> (sad maybe too?). (I'm actually wondering if the hw really can't do
> unfused float multiply+add as a single instruction but I know next to
> nothing about nvidia hw.
Am 13.06.2017 um 01:57 schrieb Roland Scheidegger:
> This looks like the right idea to me too. It may sound a bit weird to do
> that per instruction, but d3d11 does that as well. (Some d3d versions
> just have a global flag basically forbidding or allowing any such fast
> math optimizations in the
This looks like the right idea to me too. It may sound a bit weird to do
that per instruction, but d3d11 does that as well. (Some d3d versions
just have a global flag basically forbidding or allowing any such fast
math optimizations in the assembly, but I'm not actually sure everybody
honors that w
On 11.06.2017 20:42, Karol Herbst wrote:
Running Tomb Raider on Nouveau I found some flicker caused by ignoring precise
modifiers on variables inside Nouveau.
>
This series add precise/invariant handling to TGSI, which can be then used by
drivers to disable certain unsafe optimisations which ma
Running Tomb Raider on Nouveau I found some flicker caused by ignoring precise
modifiers on variables inside Nouveau.
This series add precise/invariant handling to TGSI, which can be then used by
drivers to disable certain unsafe optimisations which may otherwise alter
calculations, which depend o
