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elements: Add custom backdrop element

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This commit is contained in:
Victoria Brekenfeld 2023-05-26 20:51:10 +02:00
parent ea3f158374
commit 64752fe31a
4 changed files with 205 additions and 80 deletions
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87
src/shell/workspace.rs
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@ -1,7 +1,7 @@
use crate::{
backend::render::{
element::{AsGlowFrame, AsGlowRenderer},
GlMultiError, GlMultiFrame, GlMultiRenderer,
BackdropShader, GlMultiError, GlMultiFrame, GlMultiRenderer,
},
shell::{
layout::{
@ -26,17 +26,14 @@ use crate::{
use calloop::LoopHandle;
use indexmap::IndexSet;
use smithay::{
backend::{
allocator::Fourcc,
renderer::{
element::{
surface::WaylandSurfaceRenderElement, texture::TextureRenderElement,
AsRenderElements, Element, Id, RenderElement,
},
gles::{GlesError, GlesTexture},
glow::{GlowFrame, GlowRenderer},
ImportAll, ImportMem, Renderer,
backend::renderer::{
element::{
surface::WaylandSurfaceRenderElement, texture::TextureRenderElement, AsRenderElements,
Element, Id, RenderElement,
},
gles::{GlesError, GlesTexture},
glow::{GlowFrame, GlowRenderer},
ImportAll, ImportMem, Renderer,
},
desktop::{layer_map_for_output, space::SpaceElement},
input::{pointer::GrabStartData as PointerGrabStartData, Seat},
@ -66,6 +63,7 @@ pub struct Workspace {
pub focus_stack: FocusStacks,
pub pending_buffers: Vec<(ScreencopySession, BufferParams)>,
pub screencopy_sessions: Vec<DropableSession>,
pub(super) backdrop_id: Id,
}
#[derive(Debug, Default)]
@ -88,6 +86,7 @@ impl Workspace {
focus_stack: FocusStacks::default(),
pending_buffers: Vec::new(),
screencopy_sessions: Vec::new(),
backdrop_id: Id::new(),
}
}
@ -487,6 +486,7 @@ impl Workspace {
let output_scale = output.current_scale().fractional_scale();
let layer_map = layer_map_for_output(output);
let zone = layer_map.non_exclusive_zone();
if let Some(fullscreen) = self.fullscreen.get(output) {
render_elements.extend(
@ -609,53 +609,28 @@ impl Workspace {
}
}
if let OverviewMode::Started(_, start) = overview {
let alpha = Instant::now().duration_since(start).as_millis() as f64 / 100.0;
#[derive(Clone)]
struct BackdropTexture(Id, GlesTexture);
if renderer
.glow_renderer()
.egl_context()
.user_data()
.get::<BackdropTexture>()
.is_none()
{
let tex = BackdropTexture(
Id::new(),
renderer
.glow_renderer_mut()
.import_memory(&[0, 0, 0, 255], Fourcc::Abgr8888, (1, 1).into(), false)
.unwrap(),
);
renderer
.glow_renderer()
.egl_context()
.user_data()
.insert_if_missing(|| tex);
};
let BackdropTexture(id, tex) = renderer
.glow_renderer()
.egl_context()
.user_data()
.get::<BackdropTexture>()
.unwrap()
.clone();
let alpha = match overview {
OverviewMode::Started(_, start) => Some(
(Instant::now().duration_since(start).as_millis() as f64 / 100.0).min(1.0)
as f32,
),
OverviewMode::Ended(ended) => Some(
1.0 - (Instant::now().duration_since(ended).as_millis() as f64 / 100.0).min(1.0)
as f32,
),
_ => None,
};
if let Some(alpha) = alpha {
render_elements.push(
TextureRenderElement::from_static_texture(
id,
renderer.id(),
(0.0, 0.0),
tex,
1,
smithay::utils::Transform::Normal,
Some(alpha.min(0.8) as f32),
Some(Rectangle::from_loc_and_size((0., 0.), (1., 1.))),
Some(output.geometry().size),
None,
)
Into::<CosmicMappedRenderElement<R>>::into(BackdropShader::element(
renderer,
self.backdrop_id.clone(),
zone,
0.,
alpha * 0.65,
[0.0, 0.0, 0.0],
))
.into(),
)
}