[Mesa-dev] 10-bit Mesa/Gallium support

[Michel Dänzer]

On 2017-11-23 06:45 PM, Ilia Mirkin wrote:
> On Thu, Nov 23, 2017 at 12:35 PM, Marek Olšák <maraeo at gmail.com> wrote:
>> Hi everybody,
>>
>> Mario, feel free to push your patches if you haven't yet. (except the
>> workaround)
>>
>> For AMD, I applied Mario's patches (except Wayland - that didn't
>> apply) and added initial Gallium support:
>> https://cgit.freedesktop.org/~mareko/mesa/log/?h=10bit
>>
>> What's the status of Glamor?
>>
>> Do we have patches for xf86-video-amdgpu? The closed should have
>> 10-bit support, meaning we should have DDX patches already somewhere,
>> right?
> 
> I'd like to test this out with nouveau as well... do I understand
> correctly that I shouldn't need anything special to check if it
> basically works? i.e. I apply the patches, start Xorg in bpp=30 mode,

First you'd need to add support for depth 30 to the Xorg driver you're
using.


> and then if glxgears works then I'm done? Is there a good way that I'm
> really in 30bpp mode as far as all the software is concerned?

xdpyinfo or glxinfo should work for that.


> If used with a 24bpp display, is the hw supposed to dither somehow?

We don't know how your hardware works. :)


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer