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anvil: retry initial renderings

This commit is contained in:
Victor Brekenfeld 2020-05-01 01:48:52 +02:00
parent 1a5cc59983
commit 7518f8c0f7
2 changed files with 132 additions and 41 deletions
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28
anvil/src/glium_drawer.rs
View File

@ -16,12 +16,12 @@ use smithay::backend::egl::display::EGLBufferReader;
use smithay::{
backend::{
egl::{BufferAccessError, EGLImages, Format},
graphics::{
gl::GLGraphicsBackend,
glium::{Frame, GliumGraphicsBackend},
graphics::{gl::GLGraphicsBackend, glium::{GliumGraphicsBackend, Frame}, SwapBuffersError},
},
reexports::{
calloop::LoopHandle,
wayland_server::protocol::{wl_buffer, wl_surface},
},
reexports::wayland_server::protocol::{wl_buffer, wl_surface},
wayland::{
compositor::{roles::Role, SubsurfaceRole, TraversalAction},
data_device::DnDIconRole,
@ -457,3 +457,23 @@ impl<F: GLGraphicsBackend + 'static> GliumDrawer<F> {
self.draw_surface_tree(frame, surface, (x, y), token, screen_dimensions);
}
}
pub fn schedule_initial_render<F: GLGraphicsBackend + 'static, Data: 'static>(renderer: Rc<GliumDrawer<F>>, evt_handle: &LoopHandle<Data>) {
let mut frame = renderer.draw();
frame.clear_color(0.8, 0.8, 0.9, 1.0);
if let Err(err) = frame.set_finish() {
match err {
SwapBuffersError::AlreadySwapped => {},
SwapBuffersError::TemporaryFailure(err) => {
// TODO dont reschedule after 3(?) retries
error!(
renderer.log,
"Failed to submit page_flip: {}", err
);
let handle = evt_handle.clone();
evt_handle.insert_idle(move |_| schedule_initial_render(renderer, &handle));
},
SwapBuffersError::ContextLost(err) => panic!("Rendering loop lost: {}", err),
}
}
}

137
anvil/src/udev.rs
View File

@ -25,21 +25,25 @@ use smithay::{
legacy::LegacyDrmDevice,
DevPath, Device, DeviceHandler, Surface,
},
graphics::CursorBackend,
graphics::{CursorBackend, SwapBuffersError},
libinput::{LibinputInputBackend, LibinputSessionInterface},
session::{
auto::{auto_session_bind, AutoSession},
notify_multiplexer, AsSessionObserver, Session, SessionNotifier,
notify_multiplexer, AsSessionObserver, Session, SessionNotifier, SessionObserver,
},
udev::{primary_gpu, UdevBackend, UdevEvent},
},
reexports::{
calloop::{generic::Generic, EventLoop, LoopHandle, Source},
drm::control::{
calloop::{
generic::Generic,
timer::{Timer, TimerHandle},
EventLoop, LoopHandle, Source,
},
drm::{self, control::{
connector::{Info as ConnectorInfo, State as ConnectorState},
crtc,
encoder::Info as EncoderInfo,
},
}},
image::{ImageBuffer, Rgba},
input::Libinput,
nix::{fcntl::OFlag, sys::stat::dev_t},
@ -57,7 +61,7 @@ use smithay::{
};
use crate::buffer_utils::BufferUtils;
use crate::glium_drawer::GliumDrawer;
use crate::glium_drawer::{GliumDrawer, schedule_initial_render};
use crate::shell::{MyWindowMap, Roles};
use crate::state::AnvilState;
@ -242,8 +246,9 @@ pub fn run_udev(
struct BackendData<S: SessionNotifier> {
id: S::Id,
restart_id: S::Id,
event_source: Source<Generic<RenderDevice>>,
surfaces: Rc<RefCell<HashMap<crtc::Handle, GliumDrawer<RenderSurface>>>>,
surfaces: Rc<RefCell<HashMap<crtc::Handle, Rc<GliumDrawer<RenderSurface>>>>>,
}
struct UdevHandlerImpl<S: SessionNotifier, Data: 'static> {
@ -270,7 +275,7 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
device: &mut RenderDevice,
egl_buffer_reader: Rc<RefCell<Option<EGLBufferReader>>>,
logger: &::slog::Logger,
) -> HashMap<crtc::Handle, GliumDrawer<RenderSurface>> {
) -> HashMap<crtc::Handle, Rc<GliumDrawer<RenderSurface>>> {
// Get a set of all modesetting resource handles (excluding planes):
let res_handles = device.resource_handles().unwrap();
@ -304,7 +309,7 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
logger.clone(),
);
entry.insert(renderer);
entry.insert(Rc::new(renderer));
break;
}
}
@ -318,7 +323,7 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
pub fn scan_connectors(
device: &mut RenderDevice,
logger: &::slog::Logger,
) -> HashMap<crtc::Handle, GliumDrawer<RenderSurface>> {
) -> HashMap<crtc::Handle, Rc<GliumDrawer<RenderSurface>>> {
// Get a set of all modesetting resource handles (excluding planes):
let res_handles = device.resource_handles().unwrap();
@ -347,7 +352,7 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
let renderer =
GliumDrawer::init(device.create_surface(crtc).unwrap(), logger.clone());
backends.insert(crtc, renderer);
backends.insert(crtc, Rc::new(renderer));
break;
}
}
@ -417,7 +422,7 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
// Set the handler.
// Note: if you replicate this (very simple) structure, it is rather easy
// to introduce reference cycles with Rc. Be sure about your drop order
device.set_handler(DrmHandlerImpl {
let renderer = Rc::new(DrmRenderer {
compositor_token: self.compositor_token,
backends: backends.clone(),
window_map: self.window_map.clone(),
@ -426,6 +431,8 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
dnd_icon: self.dnd_icon.clone(),
logger: self.logger.clone(),
});
let restart_id = self.notifier.register(DrmRendererSessionListener { renderer: renderer.clone(), loop_handle: self.loop_handle.clone() });
device.set_handler(DrmHandlerImpl { renderer, loop_handle: self.loop_handle.clone() });
let device_session_id = self.notifier.register(device.observer());
let dev_id = device.device_id();
@ -441,17 +448,14 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
.unwrap();
// render first frame
{
let mut frame = renderer.draw();
frame.clear_color(0.8, 0.8, 0.9, 1.0);
frame.finish().unwrap();
}
schedule_initial_render(renderer.clone(), &self.loop_handle);
}
self.backends.insert(
dev_id,
BackendData {
id: device_session_id,
restart_id,
event_source,
surfaces: backends,
},
@ -465,6 +469,7 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
let logger = &self.logger;
let pointer_image = &self.pointer_image;
let egl_buffer_reader = self.egl_buffer_reader.clone();
let loop_handle = self.loop_handle.clone();
self.loop_handle
.with_source(&backend_data.event_source, |source| {
let mut backends = backend_data.surfaces.borrow_mut();
@ -486,11 +491,7 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
.unwrap();
// render first frame
{
let mut frame = renderer.draw();
frame.clear_color(0.8, 0.8, 0.9, 1.0);
frame.finish().unwrap();
}
schedule_initial_render(renderer.clone(), &loop_handle);
}
});
}
@ -514,14 +515,48 @@ impl<S: SessionNotifier, Data: 'static> UdevHandlerImpl<S, Data> {
}
self.notifier.unregister(backend_data.id);
self.notifier.unregister(backend_data.restart_id);
debug!(self.logger, "Dropping device");
}
}
}
pub struct DrmHandlerImpl {
pub struct DrmHandlerImpl<Data: 'static> {
renderer: Rc<DrmRenderer>,
loop_handle: LoopHandle<Data>,
}
impl<Data: 'static> DeviceHandler for DrmHandlerImpl<Data> {
type Device = RenderDevice;
fn vblank(&mut self, crtc: crtc::Handle) {
self.renderer.clone().render(crtc, None, Some(&self.loop_handle))
}
fn error(&mut self, error: <RenderSurface as Surface>::Error) {
error!(self.renderer.logger, "{:?}", error);
}
}
pub struct DrmRendererSessionListener<Data: 'static> {
renderer: Rc<DrmRenderer>,
loop_handle: LoopHandle<Data>,
}
impl<Data: 'static> SessionObserver for DrmRendererSessionListener<Data> {
fn pause(&mut self, _device: Option<(u32, u32)>) {}
fn activate(&mut self, _device: Option<(u32, u32, Option<RawFd>)>) {
// we want to be called, after all session handling is done (TODO this is not so nice)
let renderer = self.renderer.clone();
let handle = self.loop_handle.clone();
self.loop_handle.insert_idle(move |_| renderer.render_all(Some(&handle)));
}
}
pub struct DrmRenderer {
compositor_token: CompositorToken<Roles>,
backends: Rc<RefCell<HashMap<crtc::Handle, GliumDrawer<RenderSurface>>>>,
backends: Rc<RefCell<HashMap<crtc::Handle, Rc<GliumDrawer<RenderSurface>>>>>,
window_map: Rc<RefCell<MyWindowMap>>,
pointer_location: Rc<RefCell<(f64, f64)>>,
cursor_status: Arc<Mutex<CursorImageStatus>>,
@ -529,10 +564,13 @@ pub struct DrmHandlerImpl {
logger: ::slog::Logger,
}
impl DeviceHandler for DrmHandlerImpl {
type Device = RenderDevice;
fn vblank(&mut self, crtc: crtc::Handle) {
impl DrmRenderer {
fn render_all<Data: 'static>(self: Rc<Self>, evt_handle: Option<&LoopHandle<Data>>) {
for crtc in self.backends.borrow().keys() {
self.clone().render(*crtc, None, evt_handle);
}
}
fn render<Data: 'static>(self: Rc<Self>, crtc: crtc::Handle, timer: Option<TimerHandle<(std::rc::Weak<DrmRenderer>, crtc::Handle)>>, evt_handle: Option<&LoopHandle<Data>>) {
if let Some(drawer) = self.backends.borrow().get(&crtc) {
{
let (x, y) = *self.pointer_location.borrow();
@ -577,16 +615,49 @@ impl DeviceHandler for DrmHandlerImpl {
}
}
if let Err(err) = frame.finish() {
error!(self.logger, "Error during rendering: {:?}", err);
let result = frame.finish();
if result.is_ok() {
// Send frame events so that client start drawing their next frame
self.window_map.borrow().send_frames(SCOUNTER.next_serial());
}
if let Err(err) = result {
error!(self.logger, "Error during rendering: {:?}", err);
let reschedule = match err {
SwapBuffersError::AlreadySwapped => false,
SwapBuffersError::TemporaryFailure(err) => match err.downcast_ref::<smithay::backend::drm::common::Error>() {
Some(&smithay::backend::drm::common::Error::DeviceInactive) => false,
Some(&smithay::backend::drm::common::Error::Access { ref source, .. }) if match source.get_ref() {
drm::SystemError::PermissionDenied => true,
_ => false,
} => false,
_ => true
},
SwapBuffersError::ContextLost(err) => panic!("Rendering loop lost: {}", err),
};
if reschedule {
match (timer, evt_handle) {
(Some(handle), _) => {
let _ = handle.add_timeout(Duration::from_millis(1000 /*a seconds*/ / 60 /*refresh rate*/), (Rc::downgrade(&self), crtc));
},
(None, Some(evt_handle)) => {
let timer = Timer::new().unwrap();
let handle = timer.handle();
let _ = handle.add_timeout(Duration::from_millis(1000 /*a seconds*/ / 60 /*refresh rate*/), (Rc::downgrade(&self), crtc));
evt_handle.insert_source(timer, |(renderer, crtc), handle, _data| {
if let Some(renderer) = renderer.upgrade() {
renderer.render(crtc, Some(handle.clone()), Option::<&LoopHandle<Data>>::None);
}
}).unwrap();
},
_ => unreachable!(),
}
}
} else {
// Send frame events so that client start drawing their next frame
self.window_map.borrow().send_frames(SCOUNTER.next_serial());
}
}
fn error(&mut self, error: <RenderSurface as Surface>::Error) {
error!(self.logger, "{:?}", error);
}
}