[Mesa-dev] [PATCH] st/vdpau: use bicubic filter for scaling

[Andy Furniss]

Nayan Deshmukh wrote:
> I forgot to CC the list, so I am attaching our conversation here. Also
> probably my R7 M265 uses
> a progressive shader.

OK, maybe that could be it.

I may be able to try progressive, but need to remember what to change...

I have done it before when testing 4:2:2 (which doesn't work with weave
but does/did with progressive).

> Regards,
> Nayan.
>
> Nayan Deshmukh wrote:
>
>> Hi Andy,
>>
>> I am not sure why it's not working. It is working on my R7 M265.
>>
>> Is it working on switching to full screen?
>>
>> Have you compiled mplayer from source? Because you need to change the
>> hqscaling to 1 in libvo/vo_vdpau.c and then compile it again.
>>
>
> I was testing with mplayer -vo vdpau:hqscaling=1 and
>
> mpv --vo=vdpau:hqscaling=1
>
> I also noticed another issue = my screen is 16/9 1920x1080 if I use
> fullscreen
> on a 720x576 vid without any aspect in it it gets stretched to 16/9
> with hqscaling=0 it would be pillarboxed.
>
> In addition if I then press "f" to change back to windowed it doesn't
> resize so I see a small portion of the vid magnified in the window.
>
> I see the list is not ccd - I think you should re add so Christian can see
> this reply.
>
> He may know what R7 M265 is better than me - eg. it may be using the
> progressive shader, whereas I am using the weave shader.
>
> On Wed, Jun 22, 2016 at 1:50 AM, Andy Furniss <adf.lists at gmail.com> wrote:
>
>> Nayan Deshmukh wrote:
>>
>>> Hi Andy,
>>>
>>> I forgot to change the feature in query.c, which is responsible for the
>>> information about the capabilities of the mixer. I'll send the patch with
>>> change.
>>>
>>
>> Ok, I tried the new patch and with mplayer or mpv the output is corrupted.
>>
>> I am using R9285 tonga.
>>
>>
>