[PATCH 2/6] wined3d: Introduce WINED3DUSAGE_MANAGED.

[Stefan Dösinger]

Am 2018-10-26 um 17:23 schrieb Matteo Bruni:
> There isn't much of a difference for buffers, admittedly. The docs
> suggest that resource updates might follow a slightly different policy
> between the two, which I'm not sure is really testable. Textures are
> going to stay as they were, which means, among other things, that we
> need to keep WINED3DUSAGE_SCRATCH around.
D3DUSAGE_SYSTEMMEMORY buffers might do more useful things with
D3DLOCK_DISCARD / D3DLOCK_NOOVERWRITE. It might be worth extending
test_map_synchronisation to cover different buffer pools.