On 24/03/14 09:31, Rémi Denis-Courmont wrote:
> On Mon, 24 Mar 2014 06:09:58 +0100, Luca Barbato <[email protected]>
> wrote:
>>> no .log2_chroma_w/h?
>>>
>>
>> Monsieur de Lapalice states:
>> "Opaque pixel formats are opaque"
>>
>> I'll add a note about it in the wiki soon.
> 
> Then again, the current hardware surface pixel formats are all 4:2:0
> 8-bits YUV, aren't they?

In case of VDA and VT it could be anything from UYVY422 to YUV420Planar
to ...

> Presumably new pixel formats would be required to
> unambiguously convey another chroma sampling or depth to the
> get_format() implementation.

Nope, opaque is opaque, you know nothing of what's is inside and the
opaque must be able to describe itself.

lu
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