Files
wayvr/src/overlays/wayvr.rs

589 lines
18 KiB
Rust

use glam::{vec3a, Affine2, Vec3, Vec3A};
use serde::Deserialize;
use std::{cell::RefCell, collections::HashMap, rc::Rc, sync::Arc};
use vulkano::image::SubresourceLayout;
use wlx_capture::frame::{DmabufFrame, FourCC, FrameFormat, FramePlane};
use crate::{
backend::{
common::{OverlayContainer, OverlaySelector},
input::{self, InteractionHandler},
overlay::{
ui_transform, OverlayData, OverlayID, OverlayRenderer, OverlayState,
SplitOverlayBackend,
},
task::TaskType,
wayvr::{self, display, WayVR},
},
graphics::WlxGraphics,
state::{self, AppState, KeyboardFocus},
};
pub struct WayVRContext {
wayvr: Rc<RefCell<WayVRState>>,
display: wayvr::display::DisplayHandle,
}
impl WayVRContext {
pub fn new(
wvr: Rc<RefCell<WayVRState>>,
display: wayvr::display::DisplayHandle,
) -> anyhow::Result<Self> {
Ok(Self {
wayvr: wvr.clone(),
display,
})
}
}
pub struct WayVRState {
pub display_handle_map: HashMap<display::DisplayHandle, OverlayID>,
pub state: WayVR,
}
impl WayVRState {
pub fn new(config: wayvr::Config) -> anyhow::Result<Self> {
Ok(Self {
display_handle_map: Default::default(),
state: WayVR::new(config)?,
})
}
}
pub struct WayVRInteractionHandler {
context: Rc<RefCell<WayVRContext>>,
mouse_transform: Affine2,
}
impl WayVRInteractionHandler {
pub fn new(context: Rc<RefCell<WayVRContext>>, mouse_transform: Affine2) -> Self {
Self {
context,
mouse_transform,
}
}
}
impl InteractionHandler for WayVRInteractionHandler {
fn on_hover(
&mut self,
_app: &mut state::AppState,
hit: &input::PointerHit,
) -> Option<input::Haptics> {
let ctx = self.context.borrow();
let wayvr = &mut ctx.wayvr.borrow_mut().state;
if let Some(disp) = wayvr.displays.get(&ctx.display) {
let pos = self.mouse_transform.transform_point2(hit.uv);
let x = ((pos.x * disp.width as f32) as i32).max(0);
let y = ((pos.y * disp.height as f32) as i32).max(0);
let ctx = self.context.borrow();
wayvr.send_mouse_move(ctx.display, x as u32, y as u32);
}
None
}
fn on_left(&mut self, _app: &mut state::AppState, _pointer: usize) {
// Ignore event
}
fn on_pointer(&mut self, _app: &mut state::AppState, hit: &input::PointerHit, pressed: bool) {
if let Some(index) = match hit.mode {
input::PointerMode::Left => Some(wayvr::MouseIndex::Left),
input::PointerMode::Middle => Some(wayvr::MouseIndex::Center),
input::PointerMode::Right => Some(wayvr::MouseIndex::Right),
_ => {
// Unknown pointer event, ignore
None
}
} {
let ctx = self.context.borrow();
let wayvr = &mut ctx.wayvr.borrow_mut().state;
if pressed {
wayvr.send_mouse_down(ctx.display, index);
} else {
wayvr.send_mouse_up(ctx.display, index);
}
}
}
fn on_scroll(&mut self, _app: &mut state::AppState, _hit: &input::PointerHit, delta: f32) {
let ctx = self.context.borrow();
ctx.wayvr
.borrow_mut()
.state
.send_mouse_scroll(ctx.display, delta);
}
}
pub struct WayVRRenderer {
dmabuf_image: Option<Arc<vulkano::image::Image>>,
view: Option<Arc<vulkano::image::view::ImageView>>,
context: Rc<RefCell<WayVRContext>>,
graphics: Arc<WlxGraphics>,
}
impl WayVRRenderer {
pub fn new(
app: &mut state::AppState,
wvr: Rc<RefCell<WayVRState>>,
display: wayvr::display::DisplayHandle,
) -> anyhow::Result<Self> {
Ok(Self {
context: Rc::new(RefCell::new(WayVRContext::new(wvr, display)?)),
dmabuf_image: None,
view: None,
graphics: app.graphics.clone(),
})
}
}
fn get_or_create_display<O>(
app: &mut AppState,
wayvr: &mut WayVRState,
disp_name: &str,
) -> anyhow::Result<(display::DisplayHandle, Option<OverlayData<O>>)>
where
O: Default,
{
let created_overlay: Option<OverlayData<O>>;
let disp_handle =
if let Some(disp) = WayVR::get_display_by_name(&wayvr.state.displays, disp_name) {
created_overlay = None;
disp
} else {
let conf_display = app
.session
.wayvr_config
.get_display(disp_name)
.ok_or(anyhow::anyhow!(
"Cannot find display named \"{}\"",
disp_name
))?
.clone();
let disp_handle = wayvr.state.create_display(
conf_display.width,
conf_display.height,
disp_name,
conf_display.primary.unwrap_or(false),
)?;
let mut overlay = create_wayvr_display_overlay::<O>(
app,
conf_display.width,
conf_display.height,
disp_handle,
conf_display.scale.unwrap_or(1.0),
)?;
wayvr
.display_handle_map
.insert(disp_handle, overlay.state.id);
if let Some(attach_to) = &conf_display.attach_to {
overlay.state.relative_to = attach_to.get_relative_to();
}
if let Some(rot) = &conf_display.rotation {
overlay.state.spawn_rotation = glam::Quat::from_axis_angle(
Vec3::from_slice(&rot.axis),
f32::to_radians(rot.angle),
);
}
if let Some(pos) = &conf_display.pos {
overlay.state.spawn_point = Vec3A::from_slice(pos);
}
let display = wayvr.state.displays.get_mut(&disp_handle).unwrap(); // Never fails
display.overlay_id = Some(overlay.state.id);
created_overlay = Some(overlay);
disp_handle
};
Ok((disp_handle, created_overlay))
}
pub fn tick_events<O>(app: &mut AppState, overlays: &mut OverlayContainer<O>) -> anyhow::Result<()>
where
O: Default,
{
if let Some(r_wayvr) = app.wayvr.clone() {
let mut wayvr = r_wayvr.borrow_mut();
while let Some(signal) = wayvr.state.signals.read() {
match signal {
wayvr::WayVRSignal::DisplayHideRequest(display_handle) => {
if let Some(overlay_id) = wayvr.display_handle_map.get(&display_handle) {
let overlay_id = *overlay_id;
wayvr.state.set_display_visible(display_handle, false);
app.tasks.enqueue(TaskType::Overlay(
OverlaySelector::Id(overlay_id),
Box::new(move |_app, o| {
o.want_visible = false;
}),
));
}
}
}
}
let res = wayvr.state.tick_events()?;
drop(wayvr);
for result in res {
match result {
wayvr::TickResult::NewExternalProcess(req) => {
let config = &app.session.wayvr_config;
let disp_name = if let Some(display_name) = req.env.display_name {
config
.get_display(display_name.as_str())
.map(|_| display_name)
} else {
config
.get_default_display()
.map(|(display_name, _)| display_name)
};
if let Some(disp_name) = disp_name {
let mut wayvr = r_wayvr.borrow_mut();
log::info!("Registering external process with PID {}", req.pid);
let (disp_handle, created_overlay) =
get_or_create_display::<O>(app, &mut wayvr, &disp_name)?;
wayvr.state.add_external_process(disp_handle, req.pid);
wayvr.state.manager.add_client(wayvr::client::WayVRClient {
client: req.client,
display_handle: disp_handle,
pid: req.pid,
});
if let Some(created_overlay) = created_overlay {
overlays.add(created_overlay);
}
}
}
}
}
}
Ok(())
}
impl WayVRRenderer {
fn ensure_dmabuf(&mut self, data: wayvr::egl_data::DMAbufData) -> anyhow::Result<()> {
if self.dmabuf_image.is_none() {
// First init
let mut planes = [FramePlane::default(); 4];
planes[0].fd = Some(data.fd);
planes[0].offset = data.offset as u32;
planes[0].stride = data.stride;
let ctx = self.context.borrow_mut();
let wayvr = ctx.wayvr.borrow_mut();
if let Some(disp) = wayvr.state.displays.get(&ctx.display) {
let frame = DmabufFrame {
format: FrameFormat {
width: disp.width,
height: disp.height,
fourcc: FourCC {
value: data.mod_info.fourcc,
},
modifier: data.mod_info.modifiers[0], /* possibly not proper? */
},
num_planes: 1,
planes,
};
drop(wayvr);
let layouts: Vec<SubresourceLayout> = vec![SubresourceLayout {
offset: data.offset as _,
size: 0,
row_pitch: data.stride as _,
array_pitch: None,
depth_pitch: None,
}];
let tex = self.graphics.dmabuf_texture_ex(
frame,
vulkano::image::ImageTiling::DrmFormatModifier,
layouts,
data.mod_info.modifiers,
)?;
self.dmabuf_image = Some(tex.clone());
self.view = Some(vulkano::image::view::ImageView::new_default(tex).unwrap());
} else {
anyhow::bail!("Failed to fetch WayVR display")
}
}
Ok(())
}
}
impl OverlayRenderer for WayVRRenderer {
fn init(&mut self, _app: &mut state::AppState) -> anyhow::Result<()> {
Ok(())
}
fn pause(&mut self, _app: &mut state::AppState) -> anyhow::Result<()> {
let ctx = self.context.borrow_mut();
let wayvr = &mut ctx.wayvr.borrow_mut().state;
wayvr.set_display_visible(ctx.display, false);
Ok(())
}
fn resume(&mut self, _app: &mut state::AppState) -> anyhow::Result<()> {
let ctx = self.context.borrow_mut();
let wayvr = &mut ctx.wayvr.borrow_mut().state;
wayvr.set_display_visible(ctx.display, true);
Ok(())
}
fn render(&mut self, _app: &mut state::AppState) -> anyhow::Result<()> {
let ctx = self.context.borrow();
let mut wayvr = ctx.wayvr.borrow_mut();
wayvr.state.tick_display(ctx.display)?;
let dmabuf_data = wayvr
.state
.get_dmabuf_data(ctx.display)
.ok_or(anyhow::anyhow!("Failed to fetch dmabuf data"))?
.clone();
drop(wayvr);
drop(ctx);
self.ensure_dmabuf(dmabuf_data.clone())?;
Ok(())
}
fn view(&mut self) -> Option<Arc<vulkano::image::view::ImageView>> {
self.view.clone()
}
fn extent(&mut self) -> Option<[u32; 3]> {
self.view.as_ref().map(|view| view.image().extent())
}
}
#[allow(dead_code)]
pub fn create_wayvr_display_overlay<O>(
app: &mut state::AppState,
display_width: u32,
display_height: u32,
display_handle: wayvr::display::DisplayHandle,
display_scale: f32,
) -> anyhow::Result<OverlayData<O>>
where
O: Default,
{
let transform = ui_transform(&[display_width, display_height]);
let state = OverlayState {
name: format!("WayVR Screen ({}x{})", display_width, display_height).into(),
keyboard_focus: Some(KeyboardFocus::WayVR),
want_visible: true,
interactable: true,
grabbable: true,
spawn_scale: display_scale,
spawn_point: vec3a(0.0, -0.1, -1.0),
interaction_transform: transform,
..Default::default()
};
let wayvr = app.get_wayvr()?;
let renderer = WayVRRenderer::new(app, wayvr, display_handle)?;
let context = renderer.context.clone();
let backend = Box::new(SplitOverlayBackend {
renderer: Box::new(renderer),
interaction: Box::new(WayVRInteractionHandler::new(context, Affine2::IDENTITY)),
});
Ok(OverlayData {
state,
backend,
..Default::default()
})
}
#[derive(Deserialize, Clone)]
pub enum WayVRDisplayClickAction {
ToggleVisibility,
Reset,
}
#[derive(Deserialize, Clone)]
pub enum WayVRAction {
AppClick {
catalog_name: Arc<str>,
app_name: Arc<str>,
},
DisplayClick {
display_name: Arc<str>,
action: WayVRDisplayClickAction,
},
}
fn show_display<O>(wayvr: &mut WayVRState, overlays: &mut OverlayContainer<O>, display_name: &str)
where
O: Default,
{
if let Some(display) = WayVR::get_display_by_name(&wayvr.state.displays, display_name) {
if let Some(overlay_id) = wayvr.display_handle_map.get(&display) {
if let Some(overlay) = overlays.mut_by_id(*overlay_id) {
overlay.state.want_visible = true;
}
}
wayvr.state.set_display_visible(display, true);
}
}
fn action_app_click<O>(
app: &mut AppState,
overlays: &mut OverlayContainer<O>,
catalog_name: &Arc<str>,
app_name: &Arc<str>,
) -> anyhow::Result<Option<OverlayData<O>>>
where
O: Default,
{
let wayvr = app.get_wayvr()?.clone();
let catalog = app
.session
.wayvr_config
.get_catalog(catalog_name)
.ok_or(anyhow::anyhow!(
"Failed to get catalog \"{}\"",
catalog_name
))?
.clone();
if let Some(app_entry) = catalog.get_app(app_name) {
let mut wayvr = wayvr.borrow_mut();
let (disp_handle, created_overlay) =
get_or_create_display::<O>(app, &mut wayvr, &app_entry.target_display)?;
// Parse additional args
let args_vec: Vec<&str> = if let Some(args) = &app_entry.args {
args.as_str().split_whitespace().collect()
} else {
vec![]
};
// Parse additional env
let env_vec: Vec<(&str, &str)> = if let Some(env) = &app_entry.env {
// splits "FOO=BAR=TEST,123" into (&"foo", &"bar=test,123")
env.iter()
.filter_map(|e| e.as_str().split_once('='))
.collect()
} else {
vec![]
};
// Terminate existing process if required
if let Some(process_handle) =
wayvr
.state
.process_query(disp_handle, &app_entry.exec, &args_vec, &env_vec)
{
// Terminate process
wayvr.state.terminate_process(process_handle);
} else {
// Spawn process
wayvr
.state
.spawn_process(disp_handle, &app_entry.exec, &args_vec, &env_vec)?;
show_display(&mut wayvr, overlays, &app_entry.target_display.as_str());
}
Ok(created_overlay)
} else {
Ok(None)
}
}
pub fn action_display_click<O>(
app: &mut AppState,
overlays: &mut OverlayContainer<O>,
display_name: &Arc<str>,
action: &WayVRDisplayClickAction,
) -> anyhow::Result<()>
where
O: Default,
{
let wayvr = app.get_wayvr()?;
let mut wayvr = wayvr.borrow_mut();
if let Some(handle) = WayVR::get_display_by_name(&wayvr.state.displays, display_name) {
if let Some(display) = wayvr.state.displays.get_mut(&handle) {
if let Some(overlay_id) = display.overlay_id {
if let Some(overlay) = overlays.mut_by_id(overlay_id) {
match action {
WayVRDisplayClickAction::ToggleVisibility => {
// Toggle visibility
overlay.state.want_visible = !overlay.state.want_visible;
}
WayVRDisplayClickAction::Reset => {
// Show it at the front
overlay.state.want_visible = true;
overlay.state.reset(app, true);
}
}
}
}
}
}
Ok(())
}
pub fn wayvr_action<O>(app: &mut AppState, overlays: &mut OverlayContainer<O>, action: &WayVRAction)
where
O: Default,
{
match action {
WayVRAction::AppClick {
catalog_name,
app_name,
} => {
match action_app_click(app, overlays, catalog_name, app_name) {
Ok(res) => {
if let Some(created_overlay) = res {
overlays.add(created_overlay);
}
}
Err(e) => {
// Happens if something went wrong with initialization
// or input exec path is invalid. Do nothing, just print an error
log::error!("action_app_click failed: {}", e);
}
}
}
WayVRAction::DisplayClick {
display_name,
action,
} => {
if let Err(e) = action_display_click::<O>(app, overlays, display_name, action) {
log::error!("action_display_click failed: {}", e);
}
}
}
}