Add initial monitor screencast portal impl

DmaBuf monitor screencasting through xdg-dekstop-portal-gnome!

Somewhat limited currently, e.g. the cursor is always embedded. But gets
most of the job done.

1 files changed, 19 insertions, 0 deletions

diff --git a/src/backend/mod.rs b/src/backend/mod.rs
index 8a59e6f3..8473ccc2 100644
--- a/src/backend/mod.rs
+++ b/src/backend/mod.rs
@@ -1,3 +1,8 @@
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
+
+use smithay::backend::allocator::gbm::GbmDevice;
+use smithay::backend::drm::DrmDeviceFd;
 use smithay::backend::renderer::gles::GlesRenderer;
 use smithay::output::Output;
 use smithay::wayland::dmabuf::DmabufFeedback;
@@ -79,6 +84,20 @@ impl Backend {
         }
     }
 
+    pub fn connectors(&self) -> Arc<Mutex<HashMap<String, Output>>> {
+        match self {
+            Backend::Tty(tty) => tty.connectors(),
+            Backend::Winit(winit) => winit.connectors(),
+        }
+    }
+
+    pub fn gbm_device(&self) -> Option<GbmDevice<DrmDeviceFd>> {
+        match self {
+            Backend::Tty(tty) => tty.gbm_device(),
+            Backend::Winit(_) => None,
+        }
+    }
+
     pub fn tty(&mut self) -> &mut Tty {
         if let Self::Tty(v) = self {
             v