[PATCH] randrproto: add tile property info for randr 1.5
Alexander E. Patrakov
patrakov at gmail.com
Sun Feb 1 22:33:46 PST 2015
02.02.2015 11:18, Dave Airlie wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> ---
> randrproto.txt | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/randrproto.txt b/randrproto.txt
> index 1591f11..3db0245 100644
> --- a/randrproto.txt
> +++ b/randrproto.txt
> @@ -151,6 +151,25 @@ be dynamically configured to provide support for:
>
> 1.5. Introduction to version 1.5 of the extension
>
> +Version 1.5 adds an optional TILE property to outputs.
> +
> + • An optional TILE property. This property is filled in by the
> + X server and the format is copied from the Linux KMS TILE property.
> + This property is used to denote individual tiles in a tiled monitor
> + configuration, as exposed via DisplayID v1.3.
> +
> + The format is:
> + grpid:flags:num_h_tile:num_v_tile:tile_h_loc:tile_v_loc:tile_h_size:tile_v_size
> + grpid is the group id of the tile. All outputs on the same monitor,
> + will have the same group id.
> + flags: 0x1 : all tiles are in a single monitor housing.
> + num_h_tile : num of horizontal tiles
> + num_v_tile : num of vertical tiles
> + tile_h_loc : horizontal location of this tile
> + tile_v_loc : vertical location of this tile
If the location starts counting with zero, it would make sense to
mention this here.
> + tile_h_size: horizontal size of this tile
> + tile_v_size: vertical size of this tile
Do I understand correctly that the following is a correct (but maybe
pointless) description of the only tile of a typical 1920x1200 monitor?
1:1:1:1:0:0:1920:1200
> +
> Version 1.5 adds monitors
>
> • A 'Monitor' is a rectangular subset of the screen which represents
>
--
Alexander E. Patrakov
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