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atomic: fix set_connector/mode functions

This commit is contained in:
Victor Brekenfeld 2020-04-27 19:46:24 +02:00
parent 91b03f1e37
commit 6c4a3817d3
1 changed files with 29 additions and 8 deletions
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35
src/backend/drm/atomic/surface.rs
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@ -44,7 +44,7 @@ pub(super) struct AtomicDrmSurfaceInternal<A: AsRawFd + 'static> {
pub(super) state: RwLock<State>,
pub(super) pending: RwLock<State>,
pub(super) logger: ::slog::Logger,
pub(super) init_buffer: Cell<Option<(DumbBuffer, framebuffer::Handle)>>,
pub(super) test_buffer: Cell<Option<(DumbBuffer, framebuffer::Handle)>>,
}
impl<A: AsRawFd + 'static> AsRawFd for AtomicDrmSurfaceInternal<A> {
@ -155,16 +155,36 @@ impl<A: AsRawFd + 'static> AtomicDrmSurfaceInternal<A> {
state: RwLock::new(state),
pending: RwLock::new(pending),
logger,
init_buffer: Cell::new(None),
test_buffer: Cell::new(None),
};
Ok(surface)
}
fn create_test_buffer(&self, mode: &Mode) -> Result<framebuffer::Handle, Error> {
let (w, h) = mode.size();
let db = self.create_dumb_buffer((w as u32, h as u32), drm::buffer::format::PixelFormat::ARGB8888).compat().map_err(|source| Error::Access {
errmsg: "Failed to create dumb buffer",
dev: self.dev_path(),
source
})?;
let fb = self.add_framebuffer(&db).compat().map_err(|source| Error::Access {
errmsg: "Failed to create framebuffer",
dev: self.dev_path(),
source
})?;
if let Some((old_db, old_fb)) = self.test_buffer.replace(Some((db, fb))) {
let _ = self.destroy_framebuffer(old_fb);
let _ = self.destroy_dumb_buffer(old_db);
};
Ok(fb)
}
}
impl<A: AsRawFd + 'static> Drop for AtomicDrmSurfaceInternal<A> {
fn drop(&mut self) {
if let Some((db, fb)) = self.init_buffer.take() {
if let Some((db, fb)) = self.test_buffer.take() {
let _ = self.destroy_framebuffer(fb);
let _ = self.destroy_dumb_buffer(db);
}
@ -257,7 +277,7 @@ impl<A: AsRawFd + 'static> Surface for AtomicDrmSurfaceInternal<A> {
&mut [conn].iter(),
&mut [].iter(),
&self.planes,
None,
Some(self.create_test_buffer(&pending.mode)?),
Some(pending.mode),
Some(pending.blob),
)?;
@ -294,7 +314,7 @@ impl<A: AsRawFd + 'static> Surface for AtomicDrmSurfaceInternal<A> {
&mut [].iter(),
&mut [conn].iter(),
&self.planes,
None,
Some(self.create_test_buffer(&pending.mode)?),
Some(pending.mode),
Some(pending.blob),
)?;
@ -331,7 +351,7 @@ impl<A: AsRawFd + 'static> Surface for AtomicDrmSurfaceInternal<A> {
&mut added,
&mut removed,
&self.planes,
None,
Some(self.create_test_buffer(&pending.mode)?),
Some(pending.mode),
Some(pending.blob),
)?;
@ -364,11 +384,12 @@ impl<A: AsRawFd + 'static> Surface for AtomicDrmSurfaceInternal<A> {
source,
})?;
let test_fb = Some(self.create_test_buffer(&pending.mode)?);
let req = self.build_request(
&mut pending.connectors.iter(),
&mut [].iter(),
&self.planes,
None,
test_fb,
Some(mode),
Some(new_blob),
)?;