[PATCH 2/4] quartz: Images in Direct3D surfaces must be top-down

[Henri Verbeet]

On 20 July 2016 at 06:37, Jan Schmidt <jan at centricular.com> wrote:
> Invert images when copying to a Direct3D surface if
> they are provided bottom-up.
>
Is that observable behaviour? I.e., could you write a test that
verifies where the data ends up in the surface? If it isn't, it may be
better to just flip the image when presenting it.