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Am 2014-06-04 19:21, schrieb Henri Verbeet:
I could imagine buffers being moved from VRAM to GART when they're
mapped, which would then make subsequent draws potentially slower.
Dynamic buffers are more or less expected to be in GART, but we
want static buffers to be in VRAM as much as possible. I could also
perhaps imagine the driver keeping a copy in CPU memory instead,
but that would then use up address space.
I guess those things are possible, but at the moment hypothetical. I
don't think we should keep printing the FIXME because of them. If we
print anything it would be better to write a FIXME if DYNAMIC is set,
but WRITEONLY isn't.
(Yes, I am aware of some buffer handling performance problems on the
Nvidia driver, but as far as I understand them they are not about VRAM
vs GART placement, but about unneeded synchronization.)
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