Anhad Singh
46 lines
2.3 KiB
Diff
46 lines
2.3 KiB
Diff
diff --git a/src/main.rs b/src/main.rs
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index a99488a..ec97fdd 100644
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--- a/src/main.rs
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+++ b/src/main.rs
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@@ -78,6 +78,40 @@ pub fn run(file: &Path) -> Result<()> {
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println!("init: failed to run: no argument");
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},
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"run.d" => if let Some(new_dir) = args.next() {
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+ // On startup, the VESA display driver is started which basically makes use of the framebuffer
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+ // provided by the firmware. The GPU device are latter started by `pcid` (such as `virtio-gpu`).
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+ let mut devices = vec![];
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+ let schemes = std::fs::read_dir(":").unwrap();
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+
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+ for entry in schemes {
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+ let path = entry.unwrap().path();
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+ let path_str = path
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+ .into_os_string()
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+ .into_string()
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+ .expect("init: failed to convert path to string");
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+
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+ if path_str.contains("display") {
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+ println!("init: found display scheme {}", path_str);
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+ devices.push(path_str);
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+ }
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+ }
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+
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+ let device = devices.iter().filter(|d| !d.contains("vesa")).collect::<Vec<_>>();
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+ let device = if device.is_empty() {
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+ // No GPU available, fallback to VESA display which *should* always be accessible via `display/vesa:`.
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+ "vesa"
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+ } else {
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+ // Parts:
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+ // :/display/virtio-gpu
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+ //
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+ // 1st: ":"
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+ // 2nd: "display"
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+ // 3rd: "virtio-gpu" (the one we want!)
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+ device[0].split("/").nth(2).unwrap()
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+ };
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+
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+ std::env::set_var("DISPLAY", &format!("display/{}:3/activate", device));
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+
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let mut entries = vec![];
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match read_dir(&new_dir) {
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Ok(list) => for entry_res in list {
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