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element: Introduce CosmicMappedKey for safely hashing windows across threads

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Victoria Brekenfeld 2024-06-07 19:15:16 +02:00 • committed by Victoria Brekenfeld
parent f481112cf9
commit bd58481d19
8 changed files with 75 additions and 20 deletions
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8
src/utils/iced.rs
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@ -67,7 +67,7 @@ use smithay::{
},
};
pub struct IcedElement<P: Program + Send + 'static>(Arc<Mutex<IcedElementInternal<P>>>);
pub struct IcedElement<P: Program + Send + 'static>(pub(crate) Arc<Mutex<IcedElementInternal<P>>>);
impl<P: Program + Send + 'static> fmt::Debug for IcedElement<P> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@ -75,8 +75,8 @@ impl<P: Program + Send + 'static> fmt::Debug for IcedElement<P> {
}
}
// SAFETY: We cannot really be sure about `iced_native::program::State` sadly,
// but the rest should be fine.
// SAFETY: It is not, we need to make sure we never move this into another thread and drop it there,
// as on drop it could trigger RefCells in calloop.
unsafe impl<P: Program + Send + 'static> Send for IcedElementInternal<P> {}
impl<P: Program + Send + 'static> Clone for IcedElement<P> {
@ -139,7 +139,7 @@ impl<P: Program> IcedProgram for ProgramWrapper<P> {
}
}
struct IcedElementInternal<P: Program + Send + 'static> {
pub(crate) struct IcedElementInternal<P: Program + Send + 'static> {
// draw buffer
outputs: HashSet<Output>,
buffers: HashMap<OrderedFloat<f64>, (MemoryRenderBuffer, Option<(Vec<Primitive>, Color)>)>,