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wayland: implement surface transformations

Browse source 
- buffer scale
- buffer transform
- viewporter
This commit is contained in:
Julian Orth 2022-05-28 18:18:29 +02:00
parent 20f0fba553
commit 95327685c1
16 changed files with 635 additions and 75 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/cursor.rs
View file

@ -221,7 +221,7 @@ impl Cursor for StaticCursor {
}
fn render(&self, renderer: &mut Renderer, x: i32, y: i32) {
renderer.render_texture(&self.image.tex, x, y, ARGB8888);
renderer.render_texture(&self.image.tex, x, y, ARGB8888, None, None);
}
fn get_hotspot(&self) -> (i32, i32) {
@ -252,7 +252,7 @@ impl Cursor for AnimatedCursor {
fn render(&self, renderer: &mut Renderer, x: i32, y: i32) {
let img = &self.images[self.idx.get()];
renderer.render_texture(&img.tex, x, y, ARGB8888);
renderer.render_texture(&img.tex, x, y, ARGB8888, None, None);
}
fn get_hotspot(&self) -> (i32, i32) {

21
src/fixed.rs
View file

@ -1,4 +1,5 @@
use std::{
cmp::Ordering,
fmt::{Debug, Display, Formatter},
ops::{Add, AddAssign, Sub, SubAssign},
};
@ -8,6 +9,10 @@ use std::{
pub struct Fixed(pub i32);
impl Fixed {
pub fn is_integer(self) -> bool {
self.0 & 255 == 0
}
pub fn from_f64(f: f64) -> Self {
Self((f * 256.0) as i32)
}
@ -20,6 +25,10 @@ impl Fixed {
Self(i >> 8)
}
pub fn to_int(self) -> i32 {
self.0 >> 8
}
pub fn from_int(i: i32) -> Self {
Self(i << 8)
}
@ -33,6 +42,18 @@ impl Fixed {
}
}
impl PartialEq<i32> for Fixed {
fn eq(&self, other: &i32) -> bool {
self.0 == *other << 8
}
}
impl PartialOrd<i32> for Fixed {
fn partial_cmp(&self, other: &i32) -> Option<Ordering> {
self.0.partial_cmp(&(*other << 8))
}
}
impl Debug for Fixed {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
Debug::fmt(&self.to_f64(), f)

2
src/globals.rs
View file

@ -19,6 +19,7 @@ use {
wl_shm::WlShmGlobal,
wl_subcompositor::WlSubcompositorGlobal,
wp_presentation::WpPresentationGlobal,
wp_viewporter::WpViewporterGlobal,
xdg_wm_base::XdgWmBaseGlobal,
zwlr_layer_shell_v1::ZwlrLayerShellV1Global,
zwlr_screencopy_manager_v1::ZwlrScreencopyManagerV1Global,
@ -141,6 +142,7 @@ impl Globals {
add_singleton!(ZwlrScreencopyManagerV1Global);
add_singleton!(ZwpRelativePointerManagerV1Global);
add_singleton!(ExtSessionLockManagerV1Global);
add_singleton!(WpViewporterGlobal);
if backend.supports_idle() {
add_singleton!(ZwpIdleInhibitManagerV1Global);

1
src/ifs.rs
View file

@ -22,6 +22,7 @@ pub mod wl_subcompositor;
pub mod wl_surface;
pub mod wp_presentation;
pub mod wp_presentation_feedback;
pub mod wp_viewporter;
pub mod xdg_positioner;
pub mod xdg_wm_base;
pub mod zwlr_layer_shell_v1;

23
src/ifs/wl_output.rs
View file

@ -45,21 +45,14 @@ const SP_VERTICAL_RGB: i32 = 4;
#[allow(dead_code)]
const SP_VERTICAL_BGR: i32 = 5;
const TF_NORMAL: i32 = 0;
#[allow(dead_code)]
const TF_90: i32 = 1;
#[allow(dead_code)]
const TF_180: i32 = 2;
#[allow(dead_code)]
const TF_270: i32 = 3;
#[allow(dead_code)]
const TF_FLIPPED: i32 = 4;
#[allow(dead_code)]
const TF_FLIPPED_90: i32 = 5;
#[allow(dead_code)]
const TF_FLIPPED_180: i32 = 6;
#[allow(dead_code)]
const TF_FLIPPED_270: i32 = 7;
pub const TF_NORMAL: i32 = 0;
pub const TF_90: i32 = 1;
pub const TF_180: i32 = 2;
pub const TF_270: i32 = 3;
pub const TF_FLIPPED: i32 = 4;
pub const TF_FLIPPED_90: i32 = 5;
pub const TF_FLIPPED_180: i32 = 6;
pub const TF_FLIPPED_270: i32 = 7;
const MODE_CURRENT: u32 = 1;
#[allow(dead_code)]

317
src/ifs/wl_surface.rs
View file

@ -1,6 +1,7 @@
pub mod cursor;
pub mod ext_session_lock_surface_v1;
pub mod wl_subsurface;
pub mod wp_viewport;
pub mod xdg_surface;
pub mod xwindow;
pub mod zwlr_layer_surface_v1;
@ -14,10 +15,14 @@ use {
ifs::{
wl_buffer::WlBuffer,
wl_callback::WlCallback,
wl_output::{
TF_180, TF_270, TF_90, TF_FLIPPED, TF_FLIPPED_180, TF_FLIPPED_270, TF_FLIPPED_90,
TF_NORMAL,
},
wl_seat::{wl_pointer::PendingScroll, Dnd, NodeSeatState, SeatId, WlSeatGlobal},
wl_surface::{
cursor::CursorSurface, wl_subsurface::WlSubsurface, xdg_surface::XdgSurfaceError,
zwlr_layer_surface_v1::ZwlrLayerSurfaceV1Error,
cursor::CursorSurface, wl_subsurface::WlSubsurface, wp_viewport::WpViewport,
xdg_surface::XdgSurfaceError, zwlr_layer_surface_v1::ZwlrLayerSurfaceV1Error,
},
wp_presentation_feedback::WpPresentationFeedback,
},
@ -57,6 +62,124 @@ const INVALID_TRANSFORM: u32 = 1;
#[allow(dead_code)]
const INVALID_SIZE: u32 = 2;
#[derive(Copy, Clone, Debug, PartialEq)]
enum Transform {
Normal,
Rotate90,
Rotate180,
Rotate270,
Flipped,
Flipped90,
Flipped180,
Flipped270,
}
impl Transform {
fn swaps_dimensions(self) -> bool {
match self {
Transform::Normal => false,
Transform::Rotate90 => true,
Transform::Rotate180 => false,
Transform::Rotate270 => true,
Transform::Flipped => false,
Transform::Flipped90 => true,
Transform::Flipped180 => false,
Transform::Flipped270 => true,
}
}
}
#[derive(Default, Debug)]
struct BufferPoint {
x: f32,
y: f32,
}
#[derive(Default, Debug)]
struct BufferPoints {
top_right: BufferPoint,
top_left: BufferPoint,
bottom_right: BufferPoint,
bottom_left: BufferPoint,
}
impl Transform {
fn apply_inv_sized(self, x1: f32, y1: f32, width: f32, height: f32) -> BufferPoints {
let x2 = x1 + width;
let y2 = y1 + height;
self.apply_inv(x1, y1, x2, y2)
}
fn apply_inv(self, x1: f32, y1: f32, x2: f32, y2: f32) -> BufferPoints {
macro_rules! bp {
(
$tl_x:expr, $tl_y:expr,
$tr_x:expr, $tr_y:expr,
$br_x:expr, $br_y:expr,
$bl_x:expr, $bl_y:expr,
) => {
BufferPoints {
top_left: BufferPoint { x: $tl_x, y: $tl_y },
top_right: BufferPoint { x: $tr_x, y: $tr_y },
bottom_right: BufferPoint { x: $br_x, y: $br_y },
bottom_left: BufferPoint { x: $bl_x, y: $bl_y },
}
};
}
use Transform::*;
match self {
Normal => bp! {
x1, y1,
x2, y1,
x2, y2,
x1, y2,
},
Rotate90 => bp! {
y1, x2,
y1, x1,
y2, x1,
y2, x2,
},
Rotate180 => bp! {
x2, y2,
x1, y2,
x1, y1,
x2, y1,
},
Rotate270 => bp! {
y2, x1,
y2, x2,
y1, x2,
y1, x1,
},
Flipped => bp! {
x2, y1,
x1, y1,
x1, y2,
x2, y2,
},
Flipped90 => bp! {
y1, x1,
y1, x2,
y2, x2,
y2, x1,
},
Flipped180 => bp! {
x1, y2,
x2, y2,
x2, y1,
x1, y1,
},
Flipped270 => bp! {
y2, x2,
y2, x1,
y1, x1,
y1, x2,
},
}
}
}
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub enum SurfaceRole {
None,
@ -93,6 +216,12 @@ pub struct WlSurface {
pending: PendingState,
input_region: Cell<Option<Rc<Region>>>,
opaque_region: Cell<Option<Rc<Region>>>,
buffer_points: RefCell<BufferPoints>,
pub buffer_points_norm: RefCell<[f32; 8]>,
buffer_transform: Cell<Transform>,
buffer_scale: Cell<i32>,
src_rect: Cell<Option<[Fixed; 4]>>,
dst_size: Cell<Option<(i32, i32)>>,
pub extents: Cell<Rect>,
pub buffer_abs_pos: Cell<Rect>,
pub need_extents_update: Cell<bool>,
@ -109,6 +238,7 @@ pub struct WlSurface {
pub dnd_icons: SmallMap<SeatId, Rc<WlSeatGlobal>, 1>,
pub tracker: Tracker<Self>,
idle_inhibitors: CopyHashMap<ZwpIdleInhibitorV1Id, Rc<ZwpIdleInhibitorV1>>,
viewporter: CloneCell<Option<Rc<WpViewport>>>,
}
impl Debug for WlSurface {
@ -188,6 +318,10 @@ struct PendingState {
frame_request: RefCell<Vec<Rc<WlCallback>>>,
damage: Cell<bool>,
presentation_feedback: RefCell<Vec<Rc<WpPresentationFeedback>>>,
src_rect: Cell<Option<Option<[Fixed; 4]>>>,
dst_size: Cell<Option<Option<(i32, i32)>>>,
scale: Cell<Option<i32>>,
transform: Cell<Option<Transform>>,
}
#[derive(Default)]
@ -213,6 +347,12 @@ impl WlSurface {
pending: Default::default(),
input_region: Default::default(),
opaque_region: Default::default(),
buffer_points: Default::default(),
buffer_points_norm: Default::default(),
buffer_transform: Cell::new(Transform::Normal),
buffer_scale: Cell::new(1),
src_rect: Cell::new(None),
dst_size: Cell::new(None),
extents: Default::default(),
buffer_abs_pos: Cell::new(Default::default()),
need_extents_update: Default::default(),
@ -229,6 +369,7 @@ impl WlSurface {
dnd_icons: Default::default(),
tracker: Default::default(),
idle_inhibitors: Default::default(),
viewporter: Default::default(),
}
}
@ -327,10 +468,7 @@ impl WlSurface {
fn calculate_extents(&self) {
let old_extents = self.extents.get();
let mut extents = Rect::new_empty(0, 0);
if let Some(b) = self.buffer.get() {
extents = b.rect;
}
let mut extents = self.buffer_abs_pos.get().at_point(0, 0);
let children = self.children.borrow();
if let Some(children) = &*children {
for ss in children.subsurfaces.values() {
@ -472,24 +610,46 @@ impl WlSurface {
}
}
}
let mut scale_changed = false;
if let Some(scale) = self.pending.scale.take() {
scale_changed = true;
self.buffer_scale.set(scale);
}
let mut buffer_transform_changed = false;
if let Some(transform) = self.pending.transform.take() {
buffer_transform_changed = true;
self.buffer_transform.set(transform);
}
let mut viewport_changed = false;
if let Some(dst_size) = self.pending.dst_size.take() {
viewport_changed = true;
self.dst_size.set(dst_size);
}
if let Some(src_rect) = self.pending.src_rect.take() {
viewport_changed = true;
self.src_rect.set(src_rect);
}
if viewport_changed {
if let Some(rect) = self.src_rect.get() {
if self.dst_size.get().is_none() {
if !rect[2].is_integer() || !rect[3].is_integer() {
return Err(WlSurfaceError::NonIntegerViewportSize);
}
}
}
}
let mut buffer_changed = false;
let mut old_raw_size = None;
if let Some(buffer_change) = self.pending.buffer.take() {
let mut old_size = None;
let mut new_size = None;
buffer_changed = true;
if let Some(buffer) = self.buffer.take() {
old_size = Some(buffer.rect);
old_raw_size = Some(buffer.rect);
if !buffer.destroyed() {
buffer.send_release();
}
}
if let Some((dx, dy, buffer)) = buffer_change {
let _ = buffer.update_texture();
new_size = Some(buffer.rect);
self.buffer_abs_pos.set(
self.buffer_abs_pos
.get()
.with_size(buffer.rect.width(), buffer.rect.height())
.unwrap(),
);
self.buffer.set(Some(buffer));
self.buf_x.fetch_add(dx);
self.buf_y.fetch_add(dy);
@ -506,9 +666,94 @@ impl WlSurface {
cursor.set_hotspot(0, 0);
}
}
if old_size != new_size {
}
let transform_changed = viewport_changed || scale_changed || buffer_transform_changed;
if buffer_changed || transform_changed {
let mut buffer_points = self.buffer_points.borrow_mut();
let mut buffer_points_norm = self.buffer_points_norm.borrow_mut();
let mut new_size = None;
if let Some(src_rect) = self.src_rect.get() {
if transform_changed {
let [mut x1, mut y1, mut width, mut height] = src_rect.map(|v| v.to_f64() as _);
let scale = self.buffer_scale.get();
if scale != 1 {
let scale = scale as f32;
x1 *= scale;
y1 *= scale;
width *= scale;
height *= scale;
}
*buffer_points = self
.buffer_transform
.get()
.apply_inv_sized(x1, y1, width, height);
}
let size = match self.dst_size.get() {
Some(ds) => ds,
None => (src_rect[2].to_int(), src_rect[3].to_int()),
};
new_size = Some(size);
} else if let Some(size) = self.dst_size.get() {
new_size = Some(size);
}
if let Some(buffer) = self.buffer.get() {
if new_size.is_none() {
let (mut width, mut height) = buffer.rect.size();
if self.buffer_transform.get().swaps_dimensions() {
mem::swap(&mut width, &mut height);
}
let scale = self.buffer_scale.get();
if scale != 1 {
width = (width + scale - 1) / scale;
height = (height + scale - 1) / scale;
}
new_size = Some((width, height));
}
if transform_changed || Some(buffer.rect) != old_raw_size {
if self.src_rect.get().is_none() {
*buffer_points = self
.buffer_transform
.get()
.apply_inv_sized(0.0, 0.0, 1.0, 1.0);
let points = &*buffer_points;
*buffer_points_norm = [
points.top_right.x,
points.top_right.y,
points.top_left.x,
points.top_left.y,
points.bottom_right.x,
points.bottom_right.y,
points.bottom_left.x,
points.bottom_left.y,
];
} else {
let width = buffer.rect.width() as f32;
let height = buffer.rect.height() as f32;
let points = &*buffer_points;
*buffer_points_norm = [
points.top_right.x / width,
points.top_right.y / height,
points.top_left.x / width,
points.top_left.y / height,
points.bottom_right.x / width,
points.bottom_right.y / height,
points.bottom_left.x / width,
points.bottom_left.y / height,
];
for &v in buffer_points_norm.iter() {
if v > 1.0 {
return Err(WlSurfaceError::ViewportOutsideBuffer);
}
}
}
}
}
let (width, height) = new_size.unwrap_or_default();
if (width, height) != self.buffer_abs_pos.get().size() {
self.need_extents_update.set(true);
}
self.buffer_abs_pos
.set(self.buffer_abs_pos.get().with_size(width, height).unwrap());
for (_, cursor) in &self.cursors {
cursor.handle_buffer_change();
}
@ -549,12 +794,29 @@ impl WlSurface {
}
fn set_buffer_transform(&self, parser: MsgParser<'_, '_>) -> Result<(), WlSurfaceError> {
let _req: SetBufferTransform = self.parse(parser)?;
let req: SetBufferTransform = self.parse(parser)?;
use Transform::*;
let tf = match req.transform {
TF_NORMAL => Normal,
TF_90 => Rotate90,
TF_180 => Rotate180,
TF_270 => Rotate270,
TF_FLIPPED => Flipped,
TF_FLIPPED_90 => Flipped90,
TF_FLIPPED_180 => Flipped180,
TF_FLIPPED_270 => Flipped270,
_ => return Err(WlSurfaceError::UnknownBufferTransform(req.transform)),
};
self.pending.transform.set(Some(tf));
Ok(())
}
fn set_buffer_scale(&self, parser: MsgParser<'_, '_>) -> Result<(), WlSurfaceError> {
let _req: SetBufferScale = self.parse(parser)?;
let req: SetBufferScale = self.parse(parser)?;
if req.scale < 1 {
return Err(WlSurfaceError::NonPositiveBufferScale);
}
self.pending.scale.set(Some(req.scale));
Ok(())
}
@ -565,15 +827,12 @@ impl WlSurface {
}
fn find_surface_at(self: &Rc<Self>, x: i32, y: i32) -> Option<(Rc<Self>, i32, i32)> {
let buffer = match self.buffer.get() {
Some(b) => b,
_ => return None,
};
let rect = self.buffer_abs_pos.get().at_point(0, 0);
let children = self.children.borrow();
let children = match children.deref() {
Some(c) => c,
_ => {
return if buffer.rect.contains(x, y) {
return if rect.contains(x, y) {
Some((self.clone(), x, y))
} else {
None
@ -598,7 +857,7 @@ impl WlSurface {
if let Some(res) = ss(&children.above) {
return Some(res);
}
if buffer.rect.contains(x, y) {
if rect.contains(x, y) {
return Some((self.clone(), x, y));
}
if let Some(res) = ss(&children.below) {
@ -868,6 +1127,14 @@ pub enum WlSurfaceError {
ReloObjectStillExists,
#[error("Parsing failed")]
MsgParserError(#[source] Box<MsgParserError>),
#[error("Buffer scale is not positive")]
NonPositiveBufferScale,
#[error("Unknown buffer transform {0}")]
UnknownBufferTransform(i32),
#[error("Viewport source is not integer-sized and destination size is not set")]
NonIntegerViewportSize,
#[error("Viewport source is not contained in the attached buffer")]
ViewportOutsideBuffer,
}
efrom!(WlSurfaceError, ClientError);
efrom!(WlSurfaceError, XdgSurfaceError);

5
src/ifs/wl_surface/cursor.rs
View file

@ -50,10 +50,7 @@ impl CursorSurface {
}
pub fn handle_buffer_change(&self) {
let (width, height) = match self.surface.buffer.get() {
Some(b) => (b.rect.width(), b.rect.height()),
_ => (0, 0),
};
let (width, height) = self.surface.buffer_abs_pos.get().size();
self.extents
.set(Rect::new_sized(0, 0, width, height).unwrap());
self.update_extents();

9
src/ifs/wl_surface/wl_subsurface.rs
View file

@ -282,12 +282,9 @@ impl SurfaceExt for WlSubsurface {
self.node.borrow_mut().replace(v);
}
if let Some((x, y)) = self.pending.position.take() {
if let Some(buffer) = self.surface.buffer.get() {
self.position.set(buffer.rect.move_(x, y));
self.parent.need_extents_update.set(true);
} else {
self.position.set(Rect::new_empty(x, y));
}
self.position
.set(self.surface.buffer_abs_pos.get().at_point(x, y));
self.parent.need_extents_update.set(true);
}
}

107
src/ifs/wl_surface/wp_viewport.rs Normal file
View file

@ -0,0 +1,107 @@
use {
crate::{
client::{Client, ClientError},
ifs::wl_surface::WlSurface,
leaks::Tracker,
object::Object,
utils::buffd::{MsgParser, MsgParserError},
wire::{wp_viewport::*, WpViewportId},
},
std::rc::Rc,
thiserror::Error,
};
pub struct WpViewport {
pub id: WpViewportId,
pub client: Rc<Client>,
pub surface: Rc<WlSurface>,
pub tracker: Tracker<Self>,
}
impl WpViewport {
pub fn new(id: WpViewportId, surface: &Rc<WlSurface>) -> Self {
Self {
id,
client: surface.client.clone(),
surface: surface.clone(),
tracker: Default::default(),
}
}
pub fn install(self: &Rc<Self>) -> Result<(), WpViewportError> {
if self.surface.viewporter.get().is_some() {
return Err(WpViewportError::ViewportExists);
}
self.surface.viewporter.set(Some(self.clone()));
Ok(())
}
fn destroy(&self, msg: MsgParser<'_, '_>) -> Result<(), WpViewportError> {
let _req: Destroy = self.client.parse(self, msg)?;
self.surface.pending.src_rect.set(Some(None));
self.surface.pending.dst_size.set(Some(None));
self.surface.viewporter.take();
self.client.remove_obj(self)?;
Ok(())
}
fn set_source(&self, msg: MsgParser<'_, '_>) -> Result<(), WpViewportError> {
let req: SetSource = self.client.parse(self, msg)?;
let rect = if req.x == -1 && req.y == -1 && req.width == -1 && req.height == -1 {
None
} else {
let invalid = req.x < 0 || req.y < 0 || req.width <= 0 || req.height <= 0;
if invalid {
return Err(WpViewportError::InvalidSourceRect);
}
Some([req.x, req.y, req.width, req.height])
};
self.surface.pending.src_rect.set(Some(rect));
Ok(())
}
fn set_destination(&self, msg: MsgParser<'_, '_>) -> Result<(), WpViewportError> {
let req: SetDestination = self.client.parse(self, msg)?;
let size = if req.width == -1 && req.height == -1 {
None
} else if req.width <= 0 || req.height <= 0 {
return Err(WpViewportError::InvalidDestRect);
} else {
Some((req.width, req.height))
};
self.surface.pending.dst_size.set(Some(size));
Ok(())
}
}
object_base! {
WpViewport;
DESTROY => destroy,
SET_SOURCE => set_source,
SET_DESTINATION => set_destination,
}
impl Object for WpViewport {
fn num_requests(&self) -> u32 {
SET_DESTINATION + 1
}
}
simple_add_obj!(WpViewport);
#[derive(Debug, Error)]
pub enum WpViewportError {
#[error("Parsing failed")]
MsgParserError(#[source] Box<MsgParserError>),
#[error(transparent)]
ClientError(Box<ClientError>),
#[error("The surface already has a viewport")]
ViewportExists,
#[error("Rectangle is empty or outside the first quadrant")]
InvalidSourceRect,
#[error("Rectangle is empty")]
InvalidDestRect,
}
efrom!(WpViewportError, MsgParserError);
efrom!(WpViewportError, ClientError);

17
src/ifs/wl_surface/xwindow.rs
View file

@ -343,15 +343,14 @@ impl Node for Xwindow {
}
fn node_find_tree_at(&self, x: i32, y: i32, tree: &mut Vec<FoundNode>) -> FindTreeResult {
if let Some(buffer) = self.surface.buffer.get() {
if x < buffer.rect.width() && y < buffer.rect.height() {
tree.push(FoundNode {
node: self.surface.clone(),
x,
y,
});
return FindTreeResult::AcceptsInput;
}
let rect = self.surface.buffer_abs_pos.get();
if x < rect.width() && y < rect.height() {
tree.push(FoundNode {
node: self.surface.clone(),
x,
y,
});
return FindTreeResult::AcceptsInput;
}
FindTreeResult::Other
}

104
src/ifs/wp_viewporter.rs Normal file
View file

@ -0,0 +1,104 @@
use {
crate::{
client::{Client, ClientError},
globals::{Global, GlobalName},
ifs::wl_surface::wp_viewport::{WpViewport, WpViewportError},
leaks::Tracker,
object::Object,
utils::buffd::{MsgParser, MsgParserError},
wire::{wp_viewporter::*, WpViewporterId},
},
std::rc::Rc,
thiserror::Error,
};
pub struct WpViewporterGlobal {
pub name: GlobalName,
}
impl WpViewporterGlobal {
pub fn new(name: GlobalName) -> Self {
Self { name }
}
fn bind_(
self: Rc<Self>,
id: WpViewporterId,
client: &Rc<Client>,
_version: u32,
) -> Result<(), WpViewporterError> {
let obj = Rc::new(WpViewporter {
id,
client: client.clone(),
tracker: Default::default(),
});
track!(client, obj);
client.add_client_obj(&obj)?;
Ok(())
}
}
global_base!(WpViewporterGlobal, WpViewporter, WpViewporterError);
impl Global for WpViewporterGlobal {
fn singleton(&self) -> bool {
true
}
fn version(&self) -> u32 {
1
}
}
simple_add_global!(WpViewporterGlobal);
pub struct WpViewporter {
pub id: WpViewporterId,
pub client: Rc<Client>,
pub tracker: Tracker<Self>,
}
impl WpViewporter {
fn destroy(&self, msg: MsgParser<'_, '_>) -> Result<(), WpViewporterError> {
let _req: Destroy = self.client.parse(self, msg)?;
self.client.remove_obj(self)?;
Ok(())
}
fn get_viewport(&self, msg: MsgParser<'_, '_>) -> Result<(), WpViewporterError> {
let req: GetViewport = self.client.parse(self, msg)?;
let surface = self.client.lookup(req.surface)?;
let viewport = Rc::new(WpViewport::new(req.id, &surface));
track!(self.client, viewport);
viewport.install()?;
self.client.add_client_obj(&viewport)?;
Ok(())
}
}
object_base! {
WpViewporter;
DESTROY => destroy,
GET_VIEWPORT => get_viewport,
}
impl Object for WpViewporter {
fn num_requests(&self) -> u32 {
GET_VIEWPORT + 1
}
}
simple_add_obj!(WpViewporter);
#[derive(Debug, Error)]
pub enum WpViewporterError {
#[error("Parsing failed")]
MsgParserError(#[source] Box<MsgParserError>),
#[error(transparent)]
ClientError(Box<ClientError>),
#[error(transparent)]
WpViewportError(#[from] WpViewportError),
}
efrom!(WpViewporterError, MsgParserError);
efrom!(WpViewporterError, ClientError);

5
src/rect.rs
View file

@ -61,6 +61,7 @@ impl RectOverflow {
}
impl Rect {
#[allow(dead_code)]
pub fn new_empty(x: i32, y: i32) -> Self {
Self {
x1: x,
@ -204,4 +205,8 @@ impl Rect {
pub fn position(&self) -> (i32, i32) {
(self.x1, self.y1)
}
pub fn size(&self) -> (i32, i32) {
(self.width(), self.height())
}
}

2
src/render/renderer/framebuffer.rs
View file

@ -62,7 +62,7 @@ impl Framebuffer {
on_output: false,
result: &mut RenderResult::default(),
};
renderer.render_texture(texture, x, y, XRGB8888);
renderer.render_texture(texture, x, y, XRGB8888, None, None);
unsafe {
glFlush();
}

68
src/render/renderer/renderer.rs
View file

@ -122,10 +122,24 @@ impl Renderer<'_> {
let c = theme.colors.unfocused_title_background.get();
self.fill_boxes2(&rd.inactive_workspaces, &c, x, y);
for title in &rd.titles {
self.render_texture(&title.tex, x + title.tex_x, y + title.tex_y, ARGB8888);
self.render_texture(
&title.tex,
x + title.tex_x,
y + title.tex_y,
ARGB8888,
None,
None,
);
}
if let Some(status) = &rd.status {
self.render_texture(&status.tex, x + status.tex_x, y + status.tex_y, ARGB8888);
self.render_texture(
&status.tex,
x + status.tex_x,
y + status.tex_y,
ARGB8888,
None,
None,
);
}
}
if let Some(ws) = output.workspace.get() {
@ -209,7 +223,7 @@ impl Renderer<'_> {
if let Some(tex) = placeholder.texture.get() {
let x = x + (pos.width() - tex.width()) / 2;
let y = y + (pos.height() - tex.height()) / 2;
self.render_texture(&tex, x, y, &ARGB8888);
self.render_texture(&tex, x, y, &ARGB8888, None, None);
}
}
@ -234,7 +248,7 @@ impl Renderer<'_> {
self.fill_boxes2(std::slice::from_ref(lar), &c, x, y);
}
for title in &rd.titles {
self.render_texture(&title.tex, x + title.x, y + title.y, ARGB8888);
self.render_texture(&title.tex, x + title.x, y + title.y, ARGB8888, None, None);
}
}
if let Some(child) = container.mono_child.get() {
@ -287,6 +301,8 @@ impl Renderer<'_> {
return;
}
};
let tpoints = surface.buffer_points_norm.borrow_mut();
let size = surface.buffer_abs_pos.get().size();
if let Some(children) = children.deref() {
macro_rules! render {
($children:expr) => {
@ -300,10 +316,10 @@ impl Renderer<'_> {
};
}
render!(&children.below);
self.render_buffer(&buffer, x, y);
self.render_buffer(&buffer, x, y, &tpoints, size);
render!(&children.above);
} else {
self.render_buffer(&buffer, x, y);
self.render_buffer(&buffer, x, y, &tpoints, size);
}
if self.on_output {
{
@ -317,13 +333,28 @@ impl Renderer<'_> {
}
}
pub fn render_buffer(&mut self, buffer: &WlBuffer, x: i32, y: i32) {
pub fn render_buffer(
&mut self,
buffer: &WlBuffer,
x: i32,
y: i32,
tpoints: &[f32; 8],
tsize: (i32, i32),
) {
if let Some(tex) = buffer.texture.get() {
self.render_texture(&tex, x, y, buffer.format);
self.render_texture(&tex, x, y, buffer.format, Some(tpoints), Some(tsize));
}
}
pub fn render_texture(&mut self, texture: &Texture, x: i32, y: i32, format: &Format) {
pub fn render_texture(
&mut self,
texture: &Texture,
x: i32,
y: i32,
format: &Format,
tpoints: Option<&[f32; 8]>,
tsize: Option<(i32, i32)>,
) {
assert!(rc_eq(&self.ctx.ctx, &texture.ctx.ctx));
unsafe {
glActiveTexture(GL_TEXTURE0);
@ -346,15 +377,26 @@ impl Renderer<'_> {
glUniform1i(prog.tex, 0);
let texcoord: [f32; 8] = [1.0, 0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0];
static DEFAULT_TEXCOORD: [f32; 8] = [1.0, 0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0];
let texcoord: &[f32; 8] = match tpoints {
None => &DEFAULT_TEXCOORD,
Some(tp) => tp,
};
let f_width = self.fb.width as f32;
let f_height = self.fb.height as f32;
let (twidth, theight) = if let Some(size) = tsize {
size
} else {
(texture.gl.width, texture.gl.height)
};
let x1 = 2.0 * (x as f32 / f_width) - 1.0;
let y1 = 2.0 * (y as f32 / f_height) - 1.0;
let x2 = 2.0 * ((x + texture.gl.width) as f32 / f_width) - 1.0;
let y2 = 2.0 * ((y + texture.gl.height) as f32 / f_height) - 1.0;
let x2 = 2.0 * ((x + twidth) as f32 / f_width) - 1.0;
let y2 = 2.0 * ((y + theight) as f32 / f_height) - 1.0;
let pos: [f32; 8] = [
x2, y1, // top right
@ -413,7 +455,7 @@ impl Renderer<'_> {
[Rect::new_sized(x + bw, y + bw + th, pos.width() - 2 * bw, 1).unwrap()];
self.fill_boxes(&title_underline, &uc);
if let Some(title) = floating.title_texture.get() {
self.render_texture(&title, x + bw, y + bw, ARGB8888);
self.render_texture(&title, x + bw, y + bw, ARGB8888, None, None);
}
let body = Rect::new_sized(
x + bw,

16
wire/wp_viewport.txt Normal file
View file

@ -0,0 +1,16 @@
# requests
msg destroy = 0 {
}
msg set_source = 1 {
x: fixed,
y: fixed,
width: fixed,
height: fixed,
}
msg set_destination = 2 {
width: i32,
height: i32,
}

9
wire/wp_viewporter.txt Normal file
View file

@ -0,0 +1,9 @@
# requests
msg destroy = 0 {
}
msg get_viewport = 1 {
id: id(wp_viewport),
surface: id(wl_surface),
}