[vlc-devel] [PATCH 04/20] display: keep the placed picture on open and after changing display settings

[Steve Lhomme]

On 2020-08-25 11:49, Alexandre Janniaux wrote:
> Hi,
> 
> On Tue, Aug 25, 2020 at 11:21:05AM +0200, Steve Lhomme wrote:
>> On 2020-08-25 10:57, Alexandre Janniaux wrote:
>>> Hi,
>>>
>>> This seems incompatible with OpenGL modules, since they
>>> need the alignment swapped within picture_place to adapt
>>> the coordinate system.
>>
>> It seems that the value processed in the core and what OpenGL renders match.
>> (I can't tell because OpenGL seems broken on Windows)
> 
> What do you mean by match? It's not matching, it's the
> opposite vertical direction.

They are matching in the sense that if you align top the video, the 
opengl modules will display that properly and the core alignment will 
also assume that's how the video is displayed and can properly deduce 
the mouse position from that.