Merge pull request #94 from mahkoh/jorth/fix-screencopies

video: unify output rendering

src/backends/metal/video.rs

@@ -380,22 +380,16 @@ impl MetalConnector {
             if let Some(node) = self.state.root.outputs.get(&self.connector_id) {
                 let mut rr = self.render_result.borrow_mut();
                 let render_fb = buffer.render_fb();
-                render_fb.render_node(
+                self.state.present_output(
-                    &*node,
+                    &node,
-                    &self.state,
+                    &render_fb,
-                    Some(node.global.pos.get()),
+                    &buffer.render_tex,
-                    Some(&mut rr),
+                    &mut rr,
-                    node.preferred_scale.get(),
                     !self.cursor_enabled.get(),
                 );
                 if let Some(tex) = &buffer.dev_tex {
                     buffer.dev_fb.copy_texture(tex, 0, 0);
                 }
-                for fr in rr.frame_requests.drain(..) {
-                    fr.send_done();
-                    let _ = fr.client.remove_obj(&*fr);
-                }
-                node.perform_screencopies(&*render_fb, &buffer.render_tex);
             }
             changes.change_object(plane.id, |c| {
                 c.change(plane.fb_id, buffer.drm.id().0 as _);

src/backends/x.rs

@@ -57,7 +57,6 @@ use {
         collections::VecDeque,
         error::Error,
         future::pending,
-        ops::DerefMut,
         rc::Rc,
     },
     thiserror::Error,
@@ -733,21 +732,13 @@ impl XBackend {
         image.last_serial.set(serial);
 
         if let Some(node) = self.state.root.outputs.get(&output.id) {
-            let mut rr = self.render_result.borrow_mut();
+            self.state.present_output(
-            let fb = image.fb.get();
+                &node,
-            fb.render_node(
+                &image.fb.get(),
-                &*node,
+                &image.tex.get(),
-                &self.state,
+                &mut self.render_result.borrow_mut(),
-                Some(node.global.pos.get()),
-                Some(rr.deref_mut()),
-                node.preferred_scale.get(),
                 true,
             );
-            for fr in rr.frame_requests.drain(..) {
-                fr.send_done();
-                let _ = fr.client.remove_obj(&*fr);
-            }
-            node.perform_screencopies(&*fb, &image.tex.get());
         }
 
         let pp = PresentPixmap {

src/compositor.rs

@@ -392,7 +392,6 @@ fn create_dummy_output(state: &Rc<State>) {
         scroll: Default::default(),
         pointer_positions: Default::default(),
         lock_surface: Default::default(),
-        preferred_scale: Cell::new(Scale::from_int(1)),
         hardware_cursor: Default::default(),
         update_render_data_scheduled: Cell::new(false),
         screencasts: Default::default(),

src/config/handler.rs

@@ -717,7 +717,7 @@ impl ConfigProxyHandler {
     fn handle_connector_get_scale(&self, connector: Connector) -> Result<(), CphError> {
         let connector = self.get_output(connector)?;
         self.respond(Response::ConnectorGetScale {
-            scale: connector.node.preferred_scale.get().to_f64(),
+            scale: connector.node.global.preferred_scale.get().to_f64(),
         });
         Ok(())
     }

src/ifs/jay_screencast.rs

@@ -149,7 +149,12 @@ impl JayScreencast {
         });
     }
 
-    pub fn copy_texture(&self, on: &OutputNode, texture: &Rc<dyn GfxTexture>) {
+    pub fn copy_texture(
+        &self,
+        on: &OutputNode,
+        texture: &Rc<dyn GfxTexture>,
+        render_hardware_cursors: bool,
+    ) {
         if !self.running.get() {
             return;
         }
@@ -165,7 +170,15 @@ impl JayScreencast {
         let mut buffer = self.buffers.borrow_mut();
         for (idx, buffer) in buffer.deref_mut().iter_mut().enumerate() {
             if buffer.free {
-                buffer.fb.copy_texture(texture, 0, 0);
+                self.client.state.perform_screencopy(
+                    texture,
+                    &buffer.fb,
+                    on.global.preferred_scale.get(),
+                    on.global.pos.get(),
+                    render_hardware_cursors,
+                    0,
+                    0,
+                );
                 self.client.event(Ready {
                     self_id: self.id,
                     idx: idx as _,

src/ifs/wl_output.rs

@@ -74,6 +74,7 @@ pub struct WlOutputGlobal {
     pub pending_captures: LinkedList<Rc<ZwlrScreencopyFrameV1>>,
     pub destroyed: Cell<bool>,
     pub legacy_scale: Cell<u32>,
+    pub preferred_scale: Cell<crate::scale::Scale>,
 }
 
 #[derive(Eq, PartialEq)]
@@ -120,6 +121,7 @@ impl WlOutputGlobal {
             pending_captures: Default::default(),
             destroyed: Cell::new(false),
             legacy_scale: Cell::new(1),
+            preferred_scale: Cell::new(crate::scale::Scale::from_int(1)),
         }
     }
 
@@ -200,7 +202,12 @@ impl WlOutputGlobal {
         Ok(())
     }
 
-    pub fn perform_screencopies(&self, fb: &dyn GfxFramebuffer, tex: &Rc<dyn GfxTexture>) {
+    pub fn perform_screencopies(
+        &self,
+        fb: &dyn GfxFramebuffer,
+        tex: &Rc<dyn GfxTexture>,
+        render_hardware_cursors: bool,
+    ) {
         if self.pending_captures.is_empty() {
             return;
         }
@@ -276,7 +283,15 @@ impl WlOutputGlobal {
                         continue;
                     }
                 };
-                fb.copy_texture(tex, -capture.rect.x1(), -capture.rect.y1());
+                self.state.perform_screencopy(
+                    tex,
+                    &fb,
+                    self.preferred_scale.get(),
+                    self.pos.get(),
+                    render_hardware_cursors,
+                    -capture.rect.x1(),
+                    -capture.rect.y1(),
+                );
             }
             if capture.with_damage.get() {
                 capture.send_damage();

src/ifs/wl_seat.rs

@@ -265,7 +265,7 @@ impl WlSeatGlobal {
         for output in self.state.root.outputs.lock().values() {
             if let Some(hc) = output.hardware_cursor.get() {
                 let render = render | output.hardware_cursor_needs_render.take();
-                let scale = output.preferred_scale.get();
+                let scale = output.global.preferred_scale.get();
                 let extents = cursor.extents_at_scale(scale);
                 if render {
                     let (max_width, max_height) = hc.max_size();

src/ifs/wl_surface.rs

@@ -438,7 +438,7 @@ impl WlSurface {
         }
         output.global.send_enter(self);
         old.global.send_leave(self);
-        if old.preferred_scale.get() != output.preferred_scale.get() {
+        if old.global.preferred_scale.get() != output.global.preferred_scale.get() {
             self.on_scale_change();
         }
         let children = self.children.borrow_mut();

src/ifs/wl_surface/wp_fractional_scale_v1.rs

@@ -39,7 +39,7 @@ impl WpFractionalScaleV1 {
     pub fn send_preferred_scale(&self) {
         self.client.event(PreferredScale {
             self_id: self.id,
-            scale: self.surface.output.get().preferred_scale.get().0,
+            scale: self.surface.output.get().global.preferred_scale.get().0,
         });
     }
 

src/renderer.rs

@@ -139,7 +139,7 @@ impl Renderer<'_> {
             let c = theme.colors.attention_requested_background.get();
             self.base
                 .fill_boxes2(&rd.attention_requested_workspaces, &c, x, y);
-            let scale = output.preferred_scale.get();
+            let scale = output.global.preferred_scale.get();
             for title in &rd.titles {
                 let (x, y) = self.base.scale_point(x + title.tex_x, y + title.tex_y);
                 self.base

src/state.rs

@@ -13,8 +13,9 @@ use {
         cursor::{Cursor, ServerCursors},
         dbus::Dbus,
         drm_feedback::DrmFeedback,
+        fixed::Fixed,
         forker::ForkerProxy,
-        gfx_api::{GfxContext, GfxError},
+        gfx_api::{GfxContext, GfxError, GfxFramebuffer, GfxTexture},
         gfx_apis::create_gfx_context,
         globals::{Globals, GlobalsError, WaylandGlobal},
         ifs::{
@@ -36,8 +37,9 @@ use {
         leaks::Tracker,
         logger::Logger,
         rect::Rect,
+        renderer::{renderer_base::RendererBase, RenderResult, Renderer},
         scale::Scale,
-        theme::Theme,
+        theme::{Color, Theme},
         tree::{
             ContainerNode, ContainerSplit, Direction, DisplayNode, FloatNode, Node, NodeIds,
             NodeVisitorBase, OutputNode, PlaceholderNode, ToplevelNode, WorkspaceNode,
@@ -730,4 +732,70 @@ impl State {
             f(tester);
         }
     }
+
+    pub fn present_output(
+        &self,
+        output: &OutputNode,
+        fb: &Rc<dyn GfxFramebuffer>,
+        tex: &Rc<dyn GfxTexture>,
+        rr: &mut RenderResult,
+        render_hw_cursor: bool,
+    ) {
+        fb.render_node(
+            output,
+            self,
+            Some(output.global.pos.get()),
+            Some(rr),
+            output.global.preferred_scale.get(),
+            render_hw_cursor,
+        );
+        for fr in rr.frame_requests.drain(..) {
+            fr.send_done();
+            let _ = fr.client.remove_obj(&*fr);
+        }
+        output.perform_screencopies(&**fb, tex, !render_hw_cursor);
+    }
+
+    pub fn perform_screencopy(
+        &self,
+        src: &Rc<dyn GfxTexture>,
+        target: &Rc<dyn GfxFramebuffer>,
+        scale: Scale,
+        position: Rect,
+        render_hardware_cursors: bool,
+        x_off: i32,
+        y_off: i32,
+    ) {
+        let mut ops = target.take_render_ops();
+        let (width, height) = target.size();
+        let mut renderer = Renderer {
+            base: RendererBase {
+                ops: &mut ops,
+                scaled: scale != 1,
+                scale,
+                scalef: scale.to_f64(),
+            },
+            state: self,
+            result: None,
+            logical_extents: position.at_point(0, 0),
+            physical_extents: Rect::new_sized(0, 0, width, height).unwrap(),
+        };
+        renderer
+            .base
+            .render_texture(src, x_off, y_off, None, None, scale, None);
+        if render_hardware_cursors {
+            for seat in self.globals.lock_seats().values() {
+                if let Some(cursor) = seat.get_cursor() {
+                    let (mut x, mut y) = seat.get_position();
+                    if seat.hardware_cursor() {
+                        x = x + x_off - Fixed::from_int(position.x1());
+                        y = y + y_off - Fixed::from_int(position.y1());
+                        cursor.render(&mut renderer, x, y);
+                    }
+                }
+            }
+        }
+        let clear = target.format().has_alpha.then_some(&Color::TRANSPARENT);
+        target.render(ops, clear);
+    }
 }

src/tasks/connector.rs

@@ -2,7 +2,6 @@ use {
     crate::{
         backend::{Connector, ConnectorEvent, ConnectorId, MonitorInfo},
         ifs::wl_output::WlOutputGlobal,
-        scale::Scale,
         state::{ConnectorData, OutputData, State},
         tree::{OutputNode, OutputRenderData},
         utils::{asyncevent::AsyncEvent, clonecell::CloneCell},
@@ -124,14 +123,13 @@ impl ConnectorHandler {
             scroll: Default::default(),
             pointer_positions: Default::default(),
             lock_surface: Default::default(),
-            preferred_scale: Cell::new(Scale::from_int(1)),
             hardware_cursor: Default::default(),
             jay_outputs: Default::default(),
             screencasts: Default::default(),
             update_render_data_scheduled: Cell::new(false),
             hardware_cursor_needs_render: Cell::new(false),
         });
-        self.state.add_output_scale(on.preferred_scale.get());
+        self.state.add_output_scale(on.global.preferred_scale.get());
         let mode = info.initial_mode;
         let output_data = Rc::new(OutputData {
             connector: self.data.clone(),
@@ -278,7 +276,8 @@ impl ConnectorHandler {
         if let Some(dev) = &self.data.drm_dev {
             dev.connectors.remove(&self.id);
         }
-        self.state.remove_output_scale(on.preferred_scale.get());
+        self.state
+            .remove_output_scale(on.global.preferred_scale.get());
         let _ = self.state.remove_global(&*global);
     }
 }

src/tree/output.rs

@@ -59,7 +59,6 @@ pub struct OutputNode {
     pub scroll: Scroller,
     pub pointer_positions: CopyHashMap<SeatId, (i32, i32)>,
     pub lock_surface: CloneCell<Option<Rc<ExtSessionLockSurfaceV1>>>,
-    pub preferred_scale: Cell<Scale>,
     pub hardware_cursor: CloneCell<Option<Rc<dyn HardwareCursor>>>,
     pub hardware_cursor_needs_render: Cell<bool>,
     pub update_render_data_scheduled: Cell<bool>,
@@ -79,15 +78,21 @@ pub async fn output_render_data(state: Rc<State>) {
 }
 
 impl OutputNode {
-    pub fn perform_screencopies(&self, fb: &dyn GfxFramebuffer, tex: &Rc<dyn GfxTexture>) {
+    pub fn perform_screencopies(
+        &self,
+        fb: &dyn GfxFramebuffer,
+        tex: &Rc<dyn GfxTexture>,
+        render_hardware_cursor: bool,
+    ) {
         if let Some(workspace) = self.workspace.get() {
             if !workspace.capture.get() {
                 return;
             }
         }
-        self.global.perform_screencopies(fb, tex);
+        self.global
+            .perform_screencopies(fb, tex, render_hardware_cursor);
         for sc in self.screencasts.lock().values() {
-            sc.copy_texture(self, tex);
+            sc.copy_texture(self, tex, render_hardware_cursor);
         }
     }
 
@@ -111,7 +116,7 @@ impl OutputNode {
     }
 
     pub fn set_preferred_scale(self: &Rc<Self>, scale: Scale) {
-        let old_scale = self.preferred_scale.replace(scale);
+        let old_scale = self.global.preferred_scale.replace(scale);
         if scale == old_scale {
             return;
         }
@@ -152,7 +157,7 @@ impl OutputNode {
         let font = self.state.theme.font.borrow_mut();
         let theme = &self.state.theme;
         let th = theme.sizes.title_height.get();
-        let scale = self.preferred_scale.get();
+        let scale = self.global.preferred_scale.get();
         let scale = if scale != 1 {
             Some(scale.to_f64())
         } else {
@@ -410,7 +415,7 @@ impl OutputNode {
         let mode = self.global.mode.get();
         let mut width = mode.width;
         let mut height = mode.height;
-        let scale = self.preferred_scale.get();
+        let scale = self.global.preferred_scale.get();
         if scale != 1 {
             let scale = scale.to_f64();
             width = (width as f64 / scale).round() as _;