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drm: Refine drm example commentary

This commit is contained in:
Drakulix 2017-09-14 23:20:48 +02:00
parent 10fd94f963
commit 660080c45d
1 changed files with 9 additions and 2 deletions
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11
examples/drm.rs
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@ -181,6 +181,9 @@ fn main() {
// Initialize the wayland server // Initialize the wayland server
let (mut display, mut event_loop) = wayland_server::create_display(); let (mut display, mut event_loop) = wayland_server::create_display();
/*
* Initialize the drm backend
*/
// "Find" a suitable drm device // "Find" a suitable drm device
let mut options = OpenOptions::new(); let mut options = OpenOptions::new();
options.read(true); options.read(true);
@ -207,7 +210,7 @@ fn main() {
// Assuming we found a good connector and loaded the info into `connector_info` // Assuming we found a good connector and loaded the info into `connector_info`
let mode = connector_info.modes()[0]; // Use first mode (usually highest resoltion, but in reality you should filter and sort and check and match with other connectors, if you use more then one.) let mode = connector_info.modes()[0]; // Use first mode (usually highest resoltion, but in reality you should filter and sort and check and match with other connectors, if you use more then one.)
// Initialize the hardware backends // Initialize the hardware backend
let renderer = device let renderer = device
.create_backend(crtc, mode, vec![connector_info.handle()]) .create_backend(crtc, mode, vec![connector_info.handle()])
.unwrap(); .unwrap();
@ -274,6 +277,7 @@ fn main() {
let name = display.add_socket_auto().unwrap().into_string().unwrap(); let name = display.add_socket_auto().unwrap().into_string().unwrap();
println!("Listening on socket: {}", name); println!("Listening on socket: {}", name);
// Set the DrmHandler
device.set_handler(DrmHandlerImpl { device.set_handler(DrmHandlerImpl {
drawer: drawer, drawer: drawer,
shell_handler_id, shell_handler_id,
@ -281,6 +285,9 @@ fn main() {
logger: log, logger: log,
}); });
/*
* Register the DrmDevice on the EventLoop
*/
let fd = device.as_raw_fd(); let fd = device.as_raw_fd();
let drm_device_id = event_loop.add_handler(device); let drm_device_id = event_loop.add_handler(device);
let _drm_event_source = let _drm_event_source =
@ -344,6 +351,6 @@ impl DrmHandler for DrmHandlerImpl {
} }
fn error(&mut self, _evlh: &mut EventLoopHandle, error: IoError) { fn error(&mut self, _evlh: &mut EventLoopHandle, error: IoError) {
error!(self.logger, "{:?}", error); panic!("{:?}", error);
} }
} }