[Qgis-developer] Patch Proposal #1974 Render caching

[Tim Sutton]

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Hi

Marco Hugentobler wrote:
> Hi Tim
> 
>> I remember chatting to Martin about this at the last hackfest. His main
>> concern was that providers are not thread safe so we could run into
>> issues e.g. try to run two threads on the same ogr datasource.
> 
> I think this concern was as we discussed layer tyling and rendering each tile 
> of a layer in a thread. 
> If a whole layer renders in a thread, we shouldn't have this problem because 
> each layer has its own datasource object instance.
> 

Ah great! If this is the case it would be something well worth trying
(maybe at the hackfest?).

Regards

Tim

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Tim Sutton - QGIS Project Steering Committee Member (Release  Manager)
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