autocommit 2022-01-29 00:49:52 CET

src/ifs/zwp_linux_dmabuf_v1/mod.rs

@@ -0,0 +1,139 @@
+use crate::client::{Client, DynEventFormatter};
+use crate::drm::INVALID_MODIFIER;
+use crate::globals::{Global, GlobalName};
+use crate::ifs::zwp_linux_buffer_params_v1::ZwpLinuxBufferParamsV1;
+use crate::object::{Interface, Object, ObjectId};
+use crate::utils::buffd::MsgParser;
+use std::rc::Rc;
+pub use types::*;
+
+mod types;
+
+id!(ZwpLinuxDmabufV1Id);
+
+const DESTROY: u32 = 0;
+const CREATE_PARAMS: u32 = 1;
+
+const FORMAT: u32 = 0;
+const MODIFIER: u32 = 1;
+
+pub struct ZwpLinuxDmabufV1Global {
+    name: GlobalName,
+}
+
+impl ZwpLinuxDmabufV1Global {
+    pub fn new(name: GlobalName) -> Self {
+        Self { name }
+    }
+
+    fn bind_(
+        self: Rc<Self>,
+        id: ZwpLinuxDmabufV1Id,
+        client: &Rc<Client>,
+        version: u32,
+    ) -> Result<(), ZwpLinuxDmabufV1Error> {
+        let obj = Rc::new(ZwpLinuxDmabufV1Obj {
+            id,
+            client: client.clone(),
+            _version: version,
+        });
+        client.add_client_obj(&obj)?;
+        if let Some(ctx) = client.state.render_ctx.get() {
+            let formats = ctx.formats();
+            for format in formats.values() {
+                client.event(obj.format(format.drm));
+                if version >= MODIFIERS_SINCE_VERSION {
+                    client.event(obj.modifier(format.drm, INVALID_MODIFIER));
+                }
+            }
+        }
+        Ok(())
+    }
+}
+
+const MODIFIERS_SINCE_VERSION: u32 = 3;
+
+bind!(ZwpLinuxDmabufV1Global);
+
+impl Global for ZwpLinuxDmabufV1Global {
+    fn name(&self) -> GlobalName {
+        self.name
+    }
+
+    fn singleton(&self) -> bool {
+        true
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::ZwpLinuxDmabufV1
+    }
+
+    fn version(&self) -> u32 {
+        3
+    }
+}
+
+pub struct ZwpLinuxDmabufV1Obj {
+    id: ZwpLinuxDmabufV1Id,
+    pub client: Rc<Client>,
+    _version: u32,
+}
+
+impl ZwpLinuxDmabufV1Obj {
+    fn format(self: &Rc<Self>, format: u32) -> DynEventFormatter {
+        Box::new(Format {
+            obj: self.clone(),
+            format,
+        })
+    }
+
+    fn modifier(self: &Rc<Self>, format: u32, modifier: u64) -> DynEventFormatter {
+        Box::new(Modifier {
+            obj: self.clone(),
+            format,
+            modifier,
+        })
+    }
+
+    fn destroy(self: &Rc<Self>, parser: MsgParser<'_, '_>) -> Result<(), DestroyError> {
+        let _req: Destroy = self.client.parse(&**self, parser)?;
+        self.client.remove_obj(&**self)?;
+        Ok(())
+    }
+
+    fn create_params(self: &Rc<Self>, parser: MsgParser<'_, '_>) -> Result<(), CreateParamsError> {
+        let req: CreateParams = self.client.parse(&**self, parser)?;
+        let params = Rc::new(ZwpLinuxBufferParamsV1::new(req.params_id, self));
+        self.client.add_client_obj(&params)?;
+        Ok(())
+    }
+
+    fn handle_request_(
+        self: &Rc<Self>,
+        request: u32,
+        parser: MsgParser<'_, '_>,
+    ) -> Result<(), ZwpLinuxDmabufV1Error> {
+        match request {
+            DESTROY => self.destroy(parser)?,
+            CREATE_PARAMS => self.create_params(parser)?,
+            _ => unreachable!(),
+        }
+        Ok(())
+    }
+}
+
+handle_request!(ZwpLinuxDmabufV1Obj);
+
+impl Object for ZwpLinuxDmabufV1Obj {
+    fn id(&self) -> ObjectId {
+        self.id.into()
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::ZwpLinuxDmabufV1
+    }
+
+    fn num_requests(&self) -> u32 {
+        CREATE_PARAMS + 1
+    }
+}