autocommit 2022-02-06 16:33:54 CET

src/ifs/zwp_linux_dmabuf_v1.rs

@@ -0,0 +1,149 @@
+use crate::client::{Client, ClientError, DynEventFormatter};
+use crate::drm::INVALID_MODIFIER;
+use crate::globals::{Global, GlobalName};
+use crate::ifs::zwp_linux_buffer_params_v1::ZwpLinuxBufferParamsV1;
+use crate::object::Object;
+use crate::utils::buffd::MsgParser;
+use std::rc::Rc;
+use thiserror::Error;
+use crate::wire::zwp_linux_dmabuf_v1::*;
+use crate::utils::buffd::MsgParserError;
+use crate::wire::ZwpLinuxDmabufV1Id;
+
+
+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(ZwpLinuxDmabufV1 {
+            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;
+
+global_base!(
+    ZwpLinuxDmabufV1Global,
+    ZwpLinuxDmabufV1,
+    ZwpLinuxDmabufV1Error
+);
+
+impl Global for ZwpLinuxDmabufV1Global {
+    fn singleton(&self) -> bool {
+        true
+    }
+
+    fn version(&self) -> u32 {
+        3
+    }
+}
+
+simple_add_global!(ZwpLinuxDmabufV1Global);
+
+pub struct ZwpLinuxDmabufV1 {
+    id: ZwpLinuxDmabufV1Id,
+    pub client: Rc<Client>,
+    _version: u32,
+}
+
+impl ZwpLinuxDmabufV1 {
+    fn format(self: &Rc<Self>, format: u32) -> DynEventFormatter {
+        Box::new(Format {
+            self_id: self.id,
+            format,
+        })
+    }
+
+    fn modifier(self: &Rc<Self>, format: u32, modifier: u64) -> DynEventFormatter {
+        Box::new(Modifier {
+            self_id: self.id,
+            format,
+            modifier_hi: (modifier >> 32) as _,
+            modifier_lo: modifier as _,
+        })
+    }
+
+    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(())
+    }
+}
+
+object_base! {
+    ZwpLinuxDmabufV1, ZwpLinuxDmabufV1Error;
+
+    DESTROY => destroy,
+    CREATE_PARAMS => create_params,
+}
+
+impl Object for ZwpLinuxDmabufV1 {
+    fn num_requests(&self) -> u32 {
+        CREATE_PARAMS + 1
+    }
+}
+
+simple_add_obj!(ZwpLinuxDmabufV1);
+
+#[derive(Debug, Error)]
+pub enum ZwpLinuxDmabufV1Error {
+    #[error("Could not process a `destroy` request")]
+    DestroyError(#[from] DestroyError),
+    #[error("Could not process a `create_params` request")]
+    CreateParamsError(#[from] CreateParamsError),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(ZwpLinuxDmabufV1Error, ClientError);
+
+#[derive(Debug, Error)]
+pub enum DestroyError {
+    #[error("Parsing failed")]
+    ParseError(#[source] Box<MsgParserError>),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(DestroyError, ClientError);
+efrom!(DestroyError, ParseError, MsgParserError);
+
+#[derive(Debug, Error)]
+pub enum CreateParamsError {
+    #[error("Parsing failed")]
+    ParseError(#[source] Box<MsgParserError>),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(CreateParamsError, ClientError);
+efrom!(CreateParamsError, ParseError, MsgParserError);