diff options
| author | Ben Widawsky <ben@bwidawsk.net> | 2024-01-02 15:56:25 -0800 |
|---|---|---|
| committer | Daniel Stone <daniels@collabora.com> | 2024-01-19 14:35:06 +0000 |
| commit | 8072ab0a505d8aeb7b34d3ecd297ca501979d905 (patch) | |
| tree | 45f7dc19d8d0768fcf0961defd78b7c2811adabd | |
| parent | 647398ead44ed12556ac61d61e8ae6d9012a18e2 (diff) | |
protocol: clarify scale expecations
Since the positivity of zero is debatable, and, in some cases scale was simply
underspecified, clarify the situation.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
| -rw-r--r-- | protocol/wayland.xml | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/protocol/wayland.xml b/protocol/wayland.xml index 5731d69..1d471c5 100644 --- a/protocol/wayland.xml +++ b/protocol/wayland.xml @@ -1749,11 +1749,11 @@ a buffer that is larger (by a factor of scale in each dimension) than the desired surface size. - If scale is not positive the invalid_scale protocol error is + If scale is not greater than 0 the invalid_scale protocol error is raised. </description> <arg name="scale" type="int" - summary="positive scale for interpreting buffer contents"/> + summary="scale for interpreting buffer contents"/> </request> <!-- Version 4 additions --> @@ -1833,6 +1833,8 @@ content and use wl_surface.set_buffer_scale to indicate the scale they have rendered with. This allows clients to supply a higher detail buffer. + + The compositor shall emit a scale value greater than 0. </description> <arg name="factor" type="int" summary="preferred scaling factor"/> </event> @@ -2838,8 +2840,9 @@ This event contains scaling geometry information that is not in the geometry event. It may be sent after binding the output object or if the output scale changes - later. If it is not sent, the client should assume a - scale of 1. + later. The compositor will emit a non-zero, positive + value for scale. If it is not sent, the client should + assume a scale of 1. A scale larger than 1 means that the compositor will automatically scale surface buffers by this amount |