Re: MPS image cache

["Gerd Möllmann" <gerd.moellmann@gmail.com>]

Gerd Möllmann <gerd.moellmann@gmail.com> writes:

> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>
>> Helmut Eller <eller.helmut@gmail.com> writes:
>>
>>> On Fri, May 03 2024, Gerd Möllmann wrote:
>>>> While we scan an object, MPS gives us exclusive access to it. I think we
>>>> want that for these caches, so that scanning does not interfere iwth the
>>>> client modifying the cache?
>>>
>>> Access is exclusive to the image_cache struct, but not the buckets, I
>>> think.
>>
>> Right. Hm.
>
> I'm plannign to do the following if nobody stops me:
>
> Both face an image cache are hash tables containing 2 arrays of pointers
> to MPS objects (face, image).
>
> I want to introduce a new MPS object type representing such an array of
> pointers, IGC_OBJ_PTR_VEC. The igc_header gives us the size of the
> array, and being an MPS object, we get exclusive access to its contents.
>
> WDYT

Pushed that, but not yet using it. We can always remove that later...