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On Wayland, make wl_subcompositor protocol optional

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This protocol is only used for (optional) Client Side Decorations
(where) the compositor still takes the burden of compositing various
window parts together, via subsurfaces that all belong to a single
window.

If this core protocol is not available, as is the case on gamescope,
disable CSD.
This commit is contained in:
Marijn Suijten 2023-12-14 18:04:15 +01:00 • committed by GitHub
parent 3eea505440
commit becdd0dbd2
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3 changed files with 17 additions and 10 deletions
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11
src/platform_impl/linux/wayland/window/state.rs
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@ -254,7 +254,7 @@ impl WindowState {
&mut self,
configure: WindowConfigure,
shm: &Shm,
subcompositor: &Arc<SubcompositorState>,
subcompositor: &Option<Arc<SubcompositorState>>,
event_sink: &mut EventSink,
) -> LogicalSize<u32> {
// NOTE: when using fractional scaling or wl_compositor@v6 the scaling
@ -265,10 +265,11 @@ impl WindowState {
self.stateless_size = self.size;
}
if configure.decoration_mode == DecorationMode::Client
&& self.frame.is_none()
&& !self.csd_fails
{
if let Some(subcompositor) = subcompositor.as_ref().filter(|_| {
configure.decoration_mode == DecorationMode::Client
&& self.frame.is_none()
&& !self.csd_fails
}) {
match WinitFrame::new(
&self.window,
shm,