bjorn3
78 lines
2.3 KiB
Rust
78 lines
2.3 KiB
Rust
use console_draw::{TextScreen, V2DisplayMap};
|
|
use drm::buffer::Buffer;
|
|
use drm::control::Device;
|
|
use graphics_ipc::V2GraphicsHandle;
|
|
use inputd::ConsumerHandle;
|
|
use std::io;
|
|
|
|
pub struct Display {
|
|
pub input_handle: ConsumerHandle,
|
|
pub map: Option<V2DisplayMap>,
|
|
}
|
|
|
|
impl Display {
|
|
pub fn open_new_vt() -> io::Result<Self> {
|
|
let mut display = Self {
|
|
input_handle: ConsumerHandle::new_vt()?,
|
|
map: None,
|
|
};
|
|
|
|
display.reopen_for_handoff();
|
|
|
|
Ok(display)
|
|
}
|
|
|
|
/// Re-open the display after a handoff.
|
|
pub fn reopen_for_handoff(&mut self) {
|
|
let display_file = match self.input_handle.open_display_v2() {
|
|
Ok(display_file) => display_file,
|
|
Err(err) => {
|
|
log::error!("fbcond: No display present yet: {err}");
|
|
return;
|
|
}
|
|
};
|
|
let new_display_handle = V2GraphicsHandle::from_file(display_file).unwrap();
|
|
|
|
log::debug!("fbcond: Opened new display");
|
|
|
|
match V2DisplayMap::new(new_display_handle) {
|
|
Ok(map) => {
|
|
log::debug!(
|
|
"fbcond: Mapped new display with size {}x{}",
|
|
map.buffer.buffer().size().0,
|
|
map.buffer.buffer().size().1,
|
|
);
|
|
self.map = Some(map)
|
|
}
|
|
Err(err) => {
|
|
log::error!("fbcond: failed to map new display: {err}");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn handle_resize(map: &mut V2DisplayMap, text_screen: &mut TextScreen) {
|
|
let mode = match map
|
|
.display_handle
|
|
.get_connector(map.connector, false)
|
|
.map(|info| info.modes()[0])
|
|
{
|
|
Ok(mode) => mode,
|
|
Err(err) => {
|
|
eprintln!("fbcond: failed to get display size: {}", err);
|
|
return;
|
|
}
|
|
};
|
|
|
|
if (u32::from(mode.size().0), u32::from(mode.size().1)) != map.buffer.buffer().size() {
|
|
match text_screen.resize(map, mode) {
|
|
Ok(()) => eprintln!("fbcond: mapped display"),
|
|
Err(err) => {
|
|
eprintln!("fbcond: failed to create or map framebuffer: {}", err);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|