[Bf-committers] Is Cycles going to support OpenCL 1.0 ?

Damir Prebeg blend.factory at gmail.com
Thu Dec 8 10:27:02 CET 2011


Yep, my Mobility Radeon HD 4550 is released last year and it was
already obsolete. Crap.

On 7 December 2011 20:04, Brecht Van Lommel <brechtvanlommel at pandora.be> wrote:
> Hi,
>
> We probably won't support 1.0. It's a matter of priorities, if we
> design our code such that it works on older hardware, it also makes it
> more complex and harder to extend. The more features we add the more
> difficult it's going to be to support older GPU's, and we're only just
> getting started...
>
> At the moment Cycles is not working fully on new ATI GPU's yet, even
> those cards have limitations that CPU's and new NVidia cards don't
> have, so that's already taking quite a bit of offert.
>
> Brecht.
>
> On Wed, Dec 7, 2011 at 7:01 PM, Marko Radojcic <sambucuself at gmail.com> wrote:
>> Hi!
>>
>> I've been playing with Cycles these days, but I only have HD 4850 Radeon
>> that supports OpenCL 1.0, not 1.1, so I cannot test the full potential of
>> GPU rendering in cycles for ati...
>>
>> Is OpenCL 1.1 necessary ?
>> If so, it eliminates all pre- HD 5xxx ATI GPUs which is a shame because
>> many of those are still quite decent and powefull GPUs...
>>
>> Greetings,...
>> Marko
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