Hi Robert, thanks for the answer! --Vaillancourt
On Wednesday, September 30, 2020 at 12:19:14 p.m. UTC-4 OpenSceneGraph Users wrote: > Hi Vaillancourt, > > The OSG does not provide thread safe sharing of contexts, and OpenGL > itself doesn't provide it either, so even if we attempted to mutex lock all > access to GL objects that multi-threaded nature of graphics would step > around locks we attempted to add. If you want to share contexts then > you'll need to use single threading. > > With the VSG Vulkan objects are per logical device so you can share > objects on the same hardware in a more user controlled way, one still has > to take care because the objects aren't generally safe to read/write to one > has to use explicit synchronization when managing objects to avoid > threading collisions. The VSG and Vulkan have waaay lower CPU overhead so > multi-threading is actually far less critical for performance, > paradoxically as Vulkan is so much better at handling threading! > > Robert. > > > -- You received this message because you are subscribed to the Google Groups "OpenSceneGraph Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/osg-users/84b58dd1-f9a7-426e-b2bb-4ddfde69ad1en%40googlegroups.com.
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