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cursor: don't overwrite busy hardware buffers

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This commit is contained in:
Julian Orth 2022-06-01 22:24:57 +02:00
parent b9ce5f22d8
commit 375d7da2f2
3 changed files with 13 additions and 4 deletions
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7
src/backends/metal/video.rs
View file

@ -178,6 +178,7 @@ pub struct MetalConnector {
pub cursor_enabled: Cell<bool>,
pub cursor_buffers: CloneCell<Option<Rc<[RenderBuffer; 2]>>>,
pub cursor_front_buffer: NumCell<usize>,
pub cursor_swap_buffer: Cell<bool>,
}
#[derive(Debug)]
@ -228,7 +229,7 @@ impl HardwareCursor for MetalHardwareCursor {
self.connector.cursor_x.set(self.cursor_x_pending.get());
self.connector.cursor_y.set(self.cursor_y_pending.get());
if self.cursor_swap_buffer.take() {
self.connector.cursor_front_buffer.fetch_add(1);
self.connector.cursor_swap_buffer.set(true);
}
self.connector.cursor_changed.set(true);
if self.connector.can_present.get() {
@ -363,6 +364,9 @@ impl MetalConnector {
if self.cursor_changed.get() && cursor.is_some() {
let plane = cursor.unwrap();
if self.cursor_enabled.get() {
if self.cursor_swap_buffer.take() {
self.cursor_front_buffer.fetch_add(1);
}
let buffers = self.cursor_buffers.get().unwrap();
let buffer = &buffers[self.cursor_front_buffer.get() % buffers.len()];
changes.change_object(plane.id, |c| {
@ -545,6 +549,7 @@ fn create_connector(
connect_sent: Cell::new(false),
cursor_changed: Cell::new(false),
cursor_front_buffer: Default::default(),
cursor_swap_buffer: Cell::new(false),
});
let futures = ConnectorFutures {
present: backend

1
src/ifs/wl_surface.rs
View file

@ -832,6 +832,7 @@ impl WlSurface {
if buffer_changed || transform_changed {
for (_, cursor) in &self.cursors {
cursor.handle_buffer_change();
cursor.update_hardware_cursor();
}
}
ext.post_commit();

9
src/ifs/wl_surface/cursor.rs
View file

@ -34,9 +34,6 @@ impl CursorSurface {
let (hot_x, hot_y) = self.hotspot.get();
self.extents
.set(self.surface.extents.get().move_(-hot_x, -hot_y));
if self.seat.hardware_cursor() {
self.seat.update_hardware_cursor();
}
}
pub fn handle_surface_destroy(&self) {
@ -57,6 +54,12 @@ impl CursorSurface {
self.hotspot.set((hot_x - hotspot_dx, hot_y - hotspot_dy));
self.update_extents();
}
pub fn update_hardware_cursor(&self) {
if self.seat.hardware_cursor() {
self.seat.update_hardware_cursor();
}
}
}
impl Cursor for CursorSurface {