metal: make post_commit_margin configurable

src/ifs/jay_compositor.rs

@@ -70,7 +70,7 @@ impl Global for JayCompositorGlobal {
     }
 
     fn version(&self) -> u32 {
-        9
+        10
     }
 
     fn required_caps(&self) -> ClientCaps {

src/ifs/jay_randr.rs

@@ -29,6 +29,7 @@ pub struct JayRandr {
 const VRR_CAPABLE_SINCE: Version = Version(2);
 const TEARING_SINCE: Version = Version(3);
 const FORMAT_SINCE: Version = Version(8);
+const FLIP_MARGIN_SINCE: Version = Version(10);
 
 impl JayRandr {
     pub fn new(id: JayRandrId, client: &Rc<Client>, version: Version) -> Self {
@@ -144,6 +145,14 @@ impl JayRandr {
                 }
             }
         }
+        if self.version >= FLIP_MARGIN_SINCE {
+            if let Some(margin_ns) = node.flip_margin_ns.get() {
+                self.client.event(FlipMargin {
+                    self_id: self.id,
+                    margin_ns,
+                });
+            }
+        }
         let current_mode = global.mode.get();
         for mode in &global.modes {
             self.client.event(Mode {
@@ -395,6 +404,14 @@ impl JayRandrRequestHandler for JayRandr {
         c.global.connector.connector.set_fb_format(format);
         Ok(())
     }
+
+    fn set_flip_margin(&self, req: SetFlipMargin<'_>, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        let Some(dev) = self.get_device(req.dev) else {
+            return Ok(());
+        };
+        dev.dev.set_flip_margin(req.margin_ns);
+        Ok(())
+    }
 }
 
 object_base! {