[Mesa-dev] Mesa (master): st/vdpau: use dri3 to directly send the buffer to X(v2)

[Michel Dänzer]

On 18/01/17 06:47 PM, Christian König wrote:
> Am 18.01.2017 um 09:25 schrieb Michel Dänzer:
>> On 17/01/17 09:55 PM, Christian König wrote:
>>> Module: Mesa
>>> Branch: master
>>> Commit: 15bfdea99c7b487d2c38d6dd7b88fb44810ef75a
>>> URL:   
>>> http://cgit.freedesktop.org/mesa/mesa/commit/?id=15bfdea99c7b487d2c38d6dd7b88fb44810ef75a
>>>
>>>
>>> Author: Nayan Deshmukh <nayan26deshmukh at gmail.com>
>>> Date:   Wed Jan 11 22:45:14 2017 +0530
>>>
>>> st/vdpau: use dri3 to directly send the buffer to X(v2)
>> Unfortunately, this broke VLC, resulting in incorrect colours in videos.
>> The problem is that VDP_RGBA_FORMAT_R10G10B10A2 is passed to
>> vlVdpOutputSurfaceCreate. This can't work directly for presentation,
>> because the Present extension request PresentPixmap only works if the
>> pixmap depth matches the window depth, otherwise it returns a BadMatch
>> protocol error.
> 
> Price question: Is that a general limitation or just something not
> implemented?

The former. This would require adding a new Present extension request
for cases where the depths of the source pixmap and the destination
window don't match.


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