[PATCH 5/5] d3d11/tests: Add test for negative viewport coordinates.

[Matteo Bruni]

2018-04-10 23:32 GMT+02:00 Józef Kucia <joseph.kucia at gmail.com>:
> On Tue, Apr 10, 2018 at 6:01 PM, Henri Verbeet <hverbeet at gmail.com> wrote:
>> On 10 April 2018 at 14:59, Józef Kucia <joseph.kucia at gmail.com> wrote:
>>> Unfortunately, the test may fail on Linux with some drivers, e.g.
>>> Nvidia Linux driver implements the negative viewport quirk also in OpenGL.
>>>
>> It seems to fail here as well for me (Intel SKL, Mesa 17.3).
>
> Right, it seems to be the same bug as Nvidia. I guess we haven't found
> earlier because Intel driver currently reports 0 for
> GL_VIEWPORT_SUBPIXEL_BITS.
>
> FWIW, the test succeeds with radeonsi.

Also works fine for me on r600g. While I didn't run this test
specifically, I know that the same issue was also present on Intel
Broadwell when I last tried a few months ago.