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metal: track per-framebuffer damage

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This commit is contained in:
Julian Orth 2025-02-18 16:43:30 +01:00
parent f80ac20220
commit 07fb198eb4
17 changed files with 334 additions and 151 deletions
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112
src/ifs/wl_surface.rs
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@ -23,6 +23,7 @@ use {
backend::KeyState,
client::{Client, ClientError},
cursor_user::{CursorUser, CursorUserId},
damage::DamageMatrix,
drm_feedback::DrmFeedback,
fixed::Fixed,
gfx_api::{
@ -2027,117 +2028,6 @@ efrom!(WlSurfaceError, XdgSurfaceError);
efrom!(WlSurfaceError, ZwlrLayerSurfaceV1Error);
efrom!(WlSurfaceError, CommitTimelineError);
#[derive(Copy, Clone, Debug)]
struct DamageMatrix {
transform: Transform,
mx: f64,
my: f64,
dx: f64,
dy: f64,
smear: i32,
}
impl Default for DamageMatrix {
fn default() -> Self {
Self {
transform: Default::default(),
mx: 1.0,
my: 1.0,
dx: 0.0,
dy: 0.0,
smear: 0,
}
}
}
impl DamageMatrix {
fn apply(&self, dx: i32, dy: i32, rect: Rect) -> Rect {
let x1 = rect.x1() - self.smear;
let x2 = rect.x2() + self.smear;
let y1 = rect.y1() - self.smear;
let y2 = rect.y2() + self.smear;
let [x1, y1, x2, y2] = match self.transform {
Transform::None => [x1, y1, x2, y2],
Transform::Rotate90 => [-y2, x1, -y1, x2],
Transform::Rotate180 => [-x2, -y2, -x1, -y1],
Transform::Rotate270 => [y1, -x2, y2, -x1],
Transform::Flip => [-x2, y1, -x1, y2],
Transform::FlipRotate90 => [y1, x1, y2, x2],
Transform::FlipRotate180 => [x1, -y2, x2, -y1],
Transform::FlipRotate270 => [-y2, -x2, -y1, -x1],
};
let x1 = (x1 as f64 * self.mx + self.dx).floor() as i32 + dx;
let y1 = (y1 as f64 * self.my + self.dy).floor() as i32 + dy;
let x2 = (x2 as f64 * self.mx + self.dx).ceil() as i32 + dx;
let y2 = (y2 as f64 * self.my + self.dy).ceil() as i32 + dy;
Rect::new(x1, y1, x2, y2).unwrap()
}
fn new(
transform: Transform,
legacy_scale: i32,
buffer_width: i32,
buffer_height: i32,
viewport: Option<[Fixed; 4]>,
dst_width: i32,
dst_height: i32,
) -> DamageMatrix {
let mut buffer_width = buffer_width as f64;
let mut buffer_height = buffer_height as f64;
let dst_width = dst_width as f64;
let dst_height = dst_height as f64;
let mut mx = 1.0;
let mut my = 1.0;
if legacy_scale != 1 {
let scale_inv = 1.0 / (legacy_scale as f64);
mx = scale_inv;
my = scale_inv;
buffer_width *= scale_inv;
buffer_height *= scale_inv;
}
let (mut buffer_width, mut buffer_height) =
transform.maybe_swap((buffer_width, buffer_height));
let (mut dx, mut dy) = match transform {
Transform::None => (0.0, 0.0),
Transform::Rotate90 => (buffer_width, 0.0),
Transform::Rotate180 => (buffer_width, buffer_height),
Transform::Rotate270 => (0.0, buffer_height),
Transform::Flip => (buffer_width, 0.0),
Transform::FlipRotate90 => (0.0, 0.0),
Transform::FlipRotate180 => (0.0, buffer_height),
Transform::FlipRotate270 => (buffer_width, buffer_height),
};
if let Some([x, y, w, h]) = viewport {
dx -= x.to_f64();
dy -= y.to_f64();
buffer_width = w.to_f64();
buffer_height = h.to_f64();
}
let mut smear = false;
if dst_width != buffer_width {
let scale = dst_width / buffer_width;
mx *= scale;
dx *= scale;
smear |= dst_width > buffer_width;
}
if dst_height != buffer_height {
let scale = dst_height / buffer_height;
my *= scale;
dy *= scale;
smear |= dst_height > buffer_height;
}
DamageMatrix {
transform,
mx,
my,
dx,
dy,
smear: smear as _,
}
}
}
impl VblankListener for WlSurface {
fn after_vblank(self: Rc<Self>) {
if self.visible.get() {