[PATCH wayland-protocols] xdg-output: add a transform example for the logical size

[Simon Ser]

Bump: this is the source of bugs in xwayland [1].

[1]: https://lists.x.org/archives/xorg-devel/2018-July/057285.html

On May 18, 2018 9:40 PM, Simon Ser <contact at emersion.fr> wrote:
> Signed-off-by: Simon Ser <contact at emersion.fr>
> ---
>
> I believe it's easy to understand that transformations are not applied to
> the logical size.
>
>  unstable/xdg-output/xdg-output-unstable-v1.xml | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/unstable/xdg-output/xdg-output-unstable-v1.xml b/unstable/xdg-output/xdg-output-unstable-v1.xml
> index bd9a8a8..320c0a0 100644
> --- a/unstable/xdg-output/xdg-output-unstable-v1.xml
> +++ b/unstable/xdg-output/xdg-output-unstable-v1.xml
> @@ -135,6 +135,9 @@
>  	- A compositor using a fractional scale of 1.5 will advertise a
>  	  logical size to 2560×1620.
>
> +	For example, for a wl_output mode 1920×1080 and a 90 degree rotation, the
> +	compositor will advertise a logical size of 1080x1920.
> +
>  	The logical_size event is sent after creating an xdg_output
>  	(see xdg_output_manager.get_xdg_output) and whenever the logical
>  	size of the output changes, either as a result of a change in the
> --
> 2.17.0
>
>
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