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gfx: handle context change when buffer is attached to multiple surfaces

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This commit is contained in:
Julian Orth 2026-02-10 18:48:47 +01:00
parent ca5cc67fa2
commit b53f40e85f
4 changed files with 40 additions and 33 deletions
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40
src/ifs/wl_buffer.rs
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@ -8,7 +8,7 @@ use {
leaks::Tracker,
object::{Object, Version},
rect::{Rect, Region},
utils::{errorfmt::ErrorFmt, page_size::page_size},
utils::{errorfmt::ErrorFmt, event_listener::EventListener, page_size::page_size},
video::{
LINEAR_MODIFIER,
dmabuf::{DmaBuf, DmaBufPlane},
@ -61,6 +61,7 @@ pub struct WlBuffer {
pub color: Option<[u32; 4]>,
width: i32,
height: i32,
gfx_ctx_changed: EventListener<WlBuffer>,
pub tracker: Tracker<Self>,
}
@ -84,7 +85,7 @@ impl WlBuffer {
shm: bool,
color: Option<[u32; 4]>,
) -> Rc<Self> {
Rc::new(Self {
let slf = Rc::new_cyclic(|slf| Self {
id,
destroyed: Cell::new(false),
client: client.clone(),
@ -98,7 +99,10 @@ impl WlBuffer {
shm,
tracker: Default::default(),
color,
})
gfx_ctx_changed: EventListener::new(slf.clone()),
});
slf.gfx_ctx_changed.attach(&client.gfx_ctx_changed);
slf
}
pub fn new_dmabuf(
@ -210,22 +214,23 @@ impl WlBuffer {
)
}
pub fn handle_gfx_context_change(&self, surface: Option<&WlSurface>) {
pub fn handle_gfx_context_change(&self) -> bool {
let ctx_version = self.client.state.render_ctx_version.get();
if self.render_ctx_version.replace(ctx_version) == ctx_version {
return;
}
let had_texture = self.reset_gfx_objects(surface);
if had_texture && let Some(surface) = surface {
self.update_texture_or_log(surface, true);
}
}
fn reset_gfx_objects(&self, surface: Option<&WlSurface>) -> bool {
let up_to_date = self.render_ctx_version.replace(ctx_version) == ctx_version;
let mut storage = self.storage.borrow_mut();
let Some(s) = &mut *storage else {
return false;
};
if up_to_date {
let tex = match s {
WlBufferStorage::Shm {
dmabuf_buffer_params: DmabufBufferParams { tex, .. },
..
} => tex,
WlBufferStorage::Dmabuf { tex, .. } => tex,
};
return tex.is_some();
}
let had_texture = match s {
WlBufferStorage::Shm {
dmabuf_buffer_params:
@ -241,13 +246,8 @@ impl WlBuffer {
} => {
host_buffer.take();
*host_buffer_impossible = *udmabuf_impossible;
let mut had_texture = tex.take().is_some();
let had_texture = tex.take().is_some();
*tex_impossible = *udmabuf_impossible;
if let Some(s) = surface {
s.shm_staging.take();
s.shm_textures.back().tex.take();
had_texture |= s.shm_textures.front().tex.take().is_some();
}
return had_texture;
}
WlBufferStorage::Dmabuf { tex, .. } => tex.is_some(),