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use std::collections::HashMap;
use std::sync::{Arc, Mutex};
use std::time::Duration;
use smithay::backend::allocator::dmabuf::Dmabuf;
use smithay::backend::renderer::gles::GlesRenderer;
use smithay::output::Output;
use crate::input::CompositorMod;
use crate::Niri;
pub mod tty;
pub use tty::Tty;
pub mod winit;
pub use winit::Winit;
pub enum Backend {
Tty(Tty),
Winit(Winit),
}
#[derive(PartialEq, Eq)]
pub enum RenderResult {
/// The frame was submitted to the backend for presentation.
Submitted,
/// Rendering succeeded, but there was no damage.
NoDamage,
/// The frame was not rendered and submitted, due to an error or otherwise.
Skipped,
}
impl Backend {
pub fn init(&mut self, niri: &mut Niri) {
match self {
Backend::Tty(tty) => tty.init(niri),
Backend::Winit(winit) => winit.init(niri),
}
}
pub fn seat_name(&self) -> String {
match self {
Backend::Tty(tty) => tty.seat_name(),
Backend::Winit(winit) => winit.seat_name(),
}
}
pub fn with_primary_renderer<T>(
&mut self,
f: impl FnOnce(&mut GlesRenderer) -> T,
) -> Option<T> {
match self {
Backend::Tty(tty) => tty.with_primary_renderer(f),
Backend::Winit(winit) => winit.with_primary_renderer(f),
}
}
pub fn render(
&mut self,
niri: &mut Niri,
output: &Output,
target_presentation_time: Duration,
) -> RenderResult {
match self {
Backend::Tty(tty) => tty.render(niri, output, target_presentation_time),
Backend::Winit(winit) => winit.render(niri, output),
}
}
pub fn mod_key(&self) -> CompositorMod {
match self {
Backend::Tty(_) => CompositorMod::Super,
Backend::Winit(_) => CompositorMod::Alt,
}
}
pub fn change_vt(&mut self, vt: i32) {
match self {
Backend::Tty(tty) => tty.change_vt(vt),
Backend::Winit(_) => (),
}
}
pub fn suspend(&mut self) {
match self {
Backend::Tty(tty) => tty.suspend(),
Backend::Winit(_) => (),
}
}
pub fn toggle_debug_tint(&mut self) {
match self {
Backend::Tty(tty) => tty.toggle_debug_tint(),
Backend::Winit(winit) => winit.toggle_debug_tint(),
}
}
pub fn import_dmabuf(&mut self, dmabuf: &Dmabuf) -> Result<(), ()> {
match self {
Backend::Tty(tty) => tty.import_dmabuf(dmabuf),
Backend::Winit(winit) => winit.import_dmabuf(dmabuf),
}
}
#[cfg_attr(not(feature = "dbus"), allow(unused))]
pub fn connectors(&self) -> Arc<Mutex<HashMap<String, Output>>> {
match self {
Backend::Tty(tty) => tty.connectors(),
Backend::Winit(winit) => winit.connectors(),
}
}
#[cfg(feature = "xdp-gnome-screencast")]
pub fn gbm_device(
&self,
) -> Option<smithay::backend::allocator::gbm::GbmDevice<smithay::backend::drm::DrmDeviceFd>>
{
match self {
Backend::Tty(tty) => tty.gbm_device(),
Backend::Winit(_) => None,
}
}
pub fn set_monitors_active(&self, active: bool) {
match self {
Backend::Tty(tty) => tty.set_monitors_active(active),
Backend::Winit(_) => (),
}
}
pub fn tty(&mut self) -> &mut Tty {
if let Self::Tty(v) = self {
v
} else {
panic!("backend is not Tty");
}
}
pub fn winit(&mut self) -> &mut Winit {
if let Self::Winit(v) = self {
v
} else {
panic!("backend is not Winit")
}
}
}
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