[PATCH 4/5] wined3d: Use unsynchronized buffer updates only if there has been at least one buffer map.

[Henri Verbeet]

On 4 November 2016 at 13:43, Józef Kucia <jkucia at codeweavers.com> wrote:
> Fixes bc019fcbbd7f0014280a292bc58ef618cfbe34c7. We cannot use
> unsynchronized updates when the application haven't called map at all.
>
Mostly out of curiosity, how is this triggered in practice? Also,
would it make sense to track synchronised/unsynchronised in
buffer_invalidate_bo_range() instead?