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image-copy: Prioritize ARGB/XRGB dmabuf formats

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Co-authored-by: back-design <271796486+back-design@users.noreply.github.com>
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Netflate 2026-09-30 04:32:30 +01:00 • committed by Victoria Brekenfeld
parent e7b65b1fc8
commit 467d1fbc7f
1 changed files with 21 additions and 16 deletions
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37
src/wayland/handlers/image_copy_capture/mod.rs
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@ -454,23 +454,28 @@ fn constraints_for_renderer(
.ok()
.and_then(|device| device.try_get_render_node().ok().flatten())
{
constraints.dma = Some(DmabufConstraints {
node,
formats: renderer
.egl_context()
.dmabuf_render_formats()
.iter()
.fold(
IndexMap::<Fourcc, Vec<Modifier>>::new(),
|mut map, format| {
map.entry(format.code).or_default().push(format.modifier);
map
},
)
.into_iter()
.collect::<Vec<_>>(),
});
let mut formats = renderer
.egl_context()
.dmabuf_render_formats()
.iter()
.fold(
IndexMap::<Fourcc, Vec<Modifier>>::new(),
|mut map, format| {
map.entry(format.code).or_default().push(format.modifier);
map
},
)
.into_iter()
.collect::<Vec<_>>();
formats.sort_by_key(|(code, _)| !is_preferred_capture_format(*code));
constraints.dma = Some(DmabufConstraints { node, formats });
}
constraints
}
/// Formats most screencast consumers handle natively, offered first. WebRTC, for
/// example, swaps RGBA frames to BGRA on the CPU for every captured frame.
fn is_preferred_capture_format(code: Fourcc) -> bool {
matches!(code, Fourcc::Argb8888 | Fourcc::Xrgb8888)
}