38 lines
1.3 KiB
Rust
38 lines
1.3 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
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use crate::state::State;
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use anyhow::Result;
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use smithay::reexports::calloop::EventLoop;
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pub mod render;
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pub mod kms;
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pub mod winit;
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pub mod x11;
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// TODO
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// pub mod wayland; // tbd in smithay
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pub fn init_backend_auto(event_loop: &mut EventLoop<'static, State>, state: &mut State) -> Result<()> {
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match std::env::var("COSMIC_BACKEND") {
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Ok(x) if x == "x11" => x11::init_backend(event_loop, state),
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Ok(x) if x == "winit" => winit::init_backend(event_loop, state),
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Ok(x) if x == "kms" => kms::init_backend(event_loop, state),
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Ok(_) => unimplemented!("There is no backend with this identifier"),
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Err(_) => {
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if std::env::var_os("DISPLAY").is_some()
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|| std::env::var_os("WAYLAND_DISPLAY").is_some()
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{
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match x11::init_backend(event_loop, state) {
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Ok(_) => Ok(()),
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Err(err) => {
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slog_scope::warn!("X11 Backend failed with error: {}", err);
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slog_scope::info!("Falling back to winit backend.");
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winit::init_backend(event_loop, state)
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}
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}
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} else {
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kms::init_backend(event_loop, state)
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}
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}
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}
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}
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