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Use modifiers from image-copy dmabuf_format, ignoring feedback

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Default feedback only include primary GPU, so the previous version of
this prevents the use of explicit modifiers from the non-default GPU.

https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/268
or something similar will hopefully improve this at some point...

But we can presumably assume `dmabuf_format` will only include formats
valid to create a dmabuf `wl_buffer` from.
This commit is contained in:
Ian Douglas Scott 2025-05-12 17:33:30 -07:00 • committed by Ian Douglas Scott
parent 509e572e8e
commit 8a9b9ea614
1 changed files with 4 additions and 11 deletions
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15
src/backend/wayland/buffer.rs
View file

@ -84,22 +84,15 @@ impl AppData {
return Ok(None);
};
let drm_dev = drm_dev.unwrap_or(feedback.main_device() as u64);
let Some((_, gbm)) = self.gbm_devices.gbm_device(drm_dev)? else {
let Some((dev_path, gbm)) = self.gbm_devices.gbm_device(drm_dev)? else {
return Ok(None);
};
let formats = feedback.format_table();
let modifiers = feedback
.tranches()
let modifiers = modifiers
.iter()
.flat_map(|x| &x.formats)
.filter_map(|x| formats.get(*x as usize))
.filter(|x| {
x.format == format
&& (!needs_linear || x.modifier == u64::from(gbm::Modifier::Linear))
})
.map(|x| gbm::Modifier::from(x.modifier))
.filter(|x| modifiers.contains(&u64::from(*x)))
.map(|modifier| gbm::Modifier::from(*modifier))
.filter(|modifier| !needs_linear || *modifier == gbm::Modifier::Linear)
.collect::<Vec<_>>();
if modifiers.is_empty() {