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|
use std::collections::hash_map::Entry;
use smithay::backend::renderer::utils::{on_commit_buffer_handler, with_renderer_surface_state};
use smithay::desktop::find_popup_root_surface;
use smithay::input::pointer::CursorImageStatus;
use smithay::reexports::calloop::Interest;
use smithay::reexports::wayland_server::protocol::wl_buffer;
use smithay::reexports::wayland_server::protocol::wl_surface::WlSurface;
use smithay::reexports::wayland_server::{Client, Resource};
use smithay::wayland::buffer::BufferHandler;
use smithay::wayland::compositor::{
add_blocker, add_pre_commit_hook, get_parent, is_sync_subsurface, send_surface_state,
with_states, BufferAssignment, CompositorClientState, CompositorHandler, CompositorState,
SurfaceAttributes,
};
use smithay::wayland::dmabuf::get_dmabuf;
use smithay::wayland::shm::{ShmHandler, ShmState};
use smithay::{delegate_compositor, delegate_shm};
use super::xdg_shell;
use crate::niri::{ClientState, State};
impl CompositorHandler for State {
fn compositor_state(&mut self) -> &mut CompositorState {
&mut self.niri.compositor_state
}
fn client_compositor_state<'a>(&self, client: &'a Client) -> &'a CompositorClientState {
&client.get_data::<ClientState>().unwrap().compositor_state
}
fn new_subsurface(&mut self, surface: &WlSurface, parent: &WlSurface) {
if let Some((_, output)) = self.niri.layout.find_window_and_output(parent) {
let scale = output.current_scale().integer_scale();
let transform = output.current_transform();
with_states(surface, |data| {
send_surface_state(surface, data, scale, transform);
});
}
}
fn new_surface(&mut self, surface: &WlSurface) {
add_pre_commit_hook::<Self, _>(surface, move |state, _dh, surface| {
let maybe_dmabuf = with_states(surface, |surface_data| {
surface_data
.cached_state
.pending::<SurfaceAttributes>()
.buffer
.as_ref()
.and_then(|assignment| match assignment {
BufferAssignment::NewBuffer(buffer) => get_dmabuf(buffer).ok(),
_ => None,
})
});
if let Some(dmabuf) = maybe_dmabuf {
if let Ok((blocker, source)) = dmabuf.generate_blocker(Interest::READ) {
let client = surface.client().unwrap();
let res = state
.niri
.event_loop
.insert_source(source, move |_, _, state| {
let display_handle = state.niri.display_handle.clone();
state
.client_compositor_state(&client)
.blocker_cleared(state, &display_handle);
Ok(())
});
if res.is_ok() {
add_blocker(surface, blocker);
}
}
}
})
}
fn commit(&mut self, surface: &WlSurface) {
let _span = tracy_client::span!("CompositorHandler::commit");
on_commit_buffer_handler::<Self>(surface);
if is_sync_subsurface(surface) {
return;
}
let mut root_surface = surface.clone();
while let Some(parent) = get_parent(&root_surface) {
root_surface = parent;
}
if surface == &root_surface {
// This is a root surface commit. It might have mapped a previously-unmapped toplevel.
if let Entry::Occupied(entry) = self.niri.unmapped_windows.entry(surface.clone()) {
let is_mapped =
with_renderer_surface_state(surface, |state| state.buffer().is_some());
if is_mapped {
// The toplevel got mapped.
let window = entry.remove();
window.on_commit();
if let Some(output) = self.niri.layout.add_window(window, None, false).cloned()
{
self.niri.queue_redraw(output);
}
return;
}
// The toplevel remains unmapped.
let window = entry.get();
xdg_shell::send_initial_configure_if_needed(window.toplevel());
return;
}
// This is a commit of a previously-mapped root or a non-toplevel root.
if let Some((window, output)) = self.niri.layout.find_window_and_output(surface) {
// This is a commit of a previously-mapped toplevel.
window.on_commit();
// This is a commit of a previously-mapped toplevel.
let is_mapped =
with_renderer_surface_state(surface, |state| state.buffer().is_some());
if !is_mapped {
// The toplevel got unmapped.
self.niri.layout.remove_window(&window);
self.niri.unmapped_windows.insert(surface.clone(), window);
self.niri.queue_redraw(output);
return;
}
// The toplevel remains mapped.
self.niri.layout.update_window(&window);
self.niri.queue_redraw(output);
return;
}
// This is a commit of a non-toplevel root.
}
// This is a commit of a non-root or a non-toplevel root.
let root_window_output = self.niri.layout.find_window_and_output(&root_surface);
if let Some((window, output)) = root_window_output {
window.on_commit();
self.niri.layout.update_window(&window);
self.niri.queue_redraw(output);
return;
}
// This might be a popup.
self.popups_handle_commit(surface);
if let Some(popup) = self.niri.popups.find_popup(surface) {
if let Ok(root) = find_popup_root_surface(&popup) {
let root_window_output = self.niri.layout.find_window_and_output(&root);
if let Some((_window, output)) = root_window_output {
self.niri.queue_redraw(output);
}
}
}
// This might be a layer-shell surface.
self.layer_shell_handle_commit(surface);
// This might be a cursor surface.
if matches!(&self.niri.cursor_manager.cursor_image(), CursorImageStatus::Surface(s) if s == surface)
{
// FIXME: granular redraws for cursors.
self.niri.queue_redraw_all();
}
// This might be a DnD icon surface.
if self.niri.dnd_icon.as_ref() == Some(surface) {
// FIXME: granular redraws for cursors.
self.niri.queue_redraw_all();
}
// This might be a lock surface.
if self.niri.is_locked() {
for (output, state) in &self.niri.output_state {
if let Some(lock_surface) = &state.lock_surface {
if lock_surface.wl_surface() == surface {
self.niri.queue_redraw(output.clone());
break;
}
}
}
}
}
}
impl BufferHandler for State {
fn buffer_destroyed(&mut self, _buffer: &wl_buffer::WlBuffer) {}
}
impl ShmHandler for State {
fn shm_state(&self) -> &ShmState {
&self.niri.shm_state
}
}
delegate_compositor!(State);
delegate_shm!(State);
|
