[Mesa-dev] [PATCH] gallium/drivers: initialize pipe_resource::next to NULL

Rob Clark robdclark at gmail.com
Fri Oct 7 14:46:24 UTC 2016

Please memset in state tracker.  Most of the other state trackers do
this, although I haven't finished auditing yet.


On Fri, Oct 7, 2016 at 1:56 AM, Axel Davy <axel.davy at ens.fr> wrote:
> Hi,
> as of writing, there doesn't seem to be a concensus on the fix.
> Could one be found for Mesa 13 ? Gallium nine is apparently broken
> except on radeonsi which zeros out the next field... It'd need either the
> proposed patch of this thread merged, or to zero the next field everywhere.
> I guess other state trackers need to be fixed as well before the release.
> Axel
> On 04/10/2016 02:13, Roland Scheidegger wrote:
>> The reason I don't like this isn't really the number of callers, rather
>> that the driver is going actively against what the state tracker told it
>> to do. But I'm not strongly opposed to this, since effectively
>> restricting the next field to be only valid if the resource is created
>> externally might be a good idea on its own...
>> Albeit zero-initializing in the state tracker has the advantage that if
>> resource struct is going to be extended again it would work too.
>> (Technically, there's no need that the template and the actual resource
>> struct being the same it just makes things easier - with d3d10 in the
>> driver interface you basically only have the templates since the drivers
>> just return pointers to void.)
>> Roland
>> Am 04.10.2016 um 01:55 schrieb Marek Olšák:
>>> BTW, I think fixing this in drivers is better, because the number of
>>> resource_create implementations is limited and they are easy to find.
>>> Marek
>>> On Tue, Oct 4, 2016 at 1:45 AM, Roland Scheidegger <sroland at vmware.com>
>>> wrote:
>>>> Sounds reasonable to me.
>>>> Roland
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