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autocommit 2022-01-28 19:46:23 CET

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This commit is contained in:
Julian Orth 2022-01-28 19:46:23 +01:00
parent a5573b8a3a
commit b11a36729c
45 changed files with 1646 additions and 2171 deletions
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163
src/backends/xorg/mod.rs
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@ -4,31 +4,21 @@ use crate::backend::{
use crate::drm::drm::{Drm, DrmError};
use crate::drm::gbm::{GbmDevice, GbmError, GBM_BO_USE_RENDERING};
use crate::drm::{ModifiedFormat, INVALID_MODIFIER};
use crate::egl::{EglContext, EglImage};
use crate::event_loop::{EventLoopDispatcher, EventLoopId};
use crate::fixed::Fixed;
use crate::format::XRGB8888;
use crate::gles2::gl::{GlFrameBuffer, GlRenderBuffer, GlTexture};
use crate::gles2::sys::{glBindFramebuffer, glFlush, glViewport, GL_FRAMEBUFFER};
use crate::gles2::GlesError;
use crate::pixman::{Image, PixmanError};
use crate::render::gles::{GlesRenderer, RENDERDOC};
use crate::render::pixman::PixmanRenderer;
use crate::render::Renderer;
use crate::servermem::{ServerMem, ServerMemError};
use crate::tree::Node;
use crate::render::{Framebuffer, RenderContext, RenderError};
use crate::servermem::ServerMemError;
use crate::utils::clonecell::CloneCell;
use crate::utils::copyhashmap::CopyHashMap;
use crate::utils::ptr_ext::PtrExt;
use crate::wheel::{WheelDispatcher, WheelId};
use crate::{gles2, pixman, EventLoopError, NumCell, State, WheelError};
use gles2::egl;
use crate::{EventLoopError, NumCell, State, WheelError};
use isnt::std_1::primitive::IsntConstPtrExt;
use rand::Rng;
use std::cell::{Cell, RefCell};
use std::collections::VecDeque;
use std::error::Error;
use std::ops::Deref;
use std::ptr;
use std::rc::Rc;
use thiserror::Error;
@ -45,16 +35,12 @@ pub enum XorgBackendError {
DrmError(#[from] DrmError),
#[error("The gbm subsystem returned an error")]
GbmError(#[from] GbmError),
#[error("Could not find an EGL device that matches the display's DRM device")]
MissingEglDevice,
#[error("Could not import a dma-buf")]
ImportBuffer(#[source] XcbError),
#[error("The EGL device does not support the XRGB8888 format")]
XRGB8888,
#[error("Could not create an EGL context")]
CreateEgl(#[source] Box<Self>),
#[error(transparent)]
EglError(#[from] GlesError),
CreateEgl(#[source] RenderError),
#[error("Could not create a framebuffer from a dma-buf")]
CreateFramebuffer(#[source] RenderError),
#[error("Could not select input events")]
CannotSelectInputEvents(#[source] XcbError),
#[error("Could not select present events")]
@ -69,10 +55,6 @@ pub enum XorgBackendError {
WheelError(#[source] Box<WheelError>),
#[error("Could not allocate and map image memory")]
ServerMemError(#[source] Box<ServerMemError>),
#[error("Pixman returned an error")]
PixmanError(#[source] Box<PixmanError>),
#[error("dupfd failed")]
DupfdFailed(#[source] std::io::Error),
#[error("Could not create a window")]
CreateWindow(#[source] XcbError),
#[error("Could not set WM_CLASS")]
@ -86,7 +68,6 @@ pub enum XorgBackendError {
}
efrom!(XorgBackendError, EventLoopError, EventLoopError);
efrom!(XorgBackendError, ServerMemError, ServerMemError);
efrom!(XorgBackendError, PixmanError, PixmanError);
efrom!(XorgBackendError, WheelError, WheelError);
struct XcbCon {
@ -221,8 +202,7 @@ pub struct XorgBackend {
outputs: CopyHashMap<ffi::xcb_window_t, Rc<XorgOutput>>,
seats: CopyHashMap<ffi::xcb_input_device_id_t, Rc<XorgSeat>>,
mouse_seats: CopyHashMap<ffi::xcb_input_device_id_t, Rc<XorgSeat>>,
ctx: Rc<EglContext>,
renderer: GlesRenderer,
ctx: Rc<RenderContext>,
gbm: GbmDevice,
r: Cell<f32>,
g: Cell<f32>,
@ -251,24 +231,11 @@ impl XorgBackend {
let con = XcbCon::new()?;
let drm = get_drm(&con)?;
let res = (|| {
let egl_dev = match egl::find_drm_device(&drm)? {
Some(d) => d,
None => return Err(XorgBackendError::MissingEglDevice),
};
let dpy = egl_dev.create_display()?;
if !dpy.formats.contains_key(&XRGB8888.drm) {
return Err(XorgBackendError::XRGB8888);
}
let ctx = dpy.create_context()?;
Ok(ctx)
})();
let ctx = match res {
Ok(r) => r,
Err(e) => return Err(XorgBackendError::CreateEgl(Box::new(e))),
};
let renderer = ctx.with_current(|| GlesRenderer::new(&ctx))?;
let gbm = GbmDevice::new(&drm)?;
let ctx = match RenderContext::from_drm_device(&drm) {
Ok(r) => Rc::new(r),
Err(e) => return Err(XorgBackendError::CreateEgl(e)),
};
let fd = con.xcb.xcb_get_file_descriptor(con.c);
@ -283,7 +250,6 @@ impl XorgBackend {
seats: Default::default(),
mouse_seats: Default::default(),
ctx: ctx.clone(),
renderer,
gbm,
r: Cell::new(0.0),
g: Cell::new(0.0),
@ -311,7 +277,7 @@ impl XorgBackend {
slf.query_devices(ffi::XCB_INPUT_DEVICE_ALL_MASTER as _)?;
slf.handle_events()?;
state.egl.set(Some(ctx.clone()));
state.render_ctx.set(Some(ctx.clone()));
Ok(slf)
}
@ -337,12 +303,9 @@ impl XorgBackend {
let plane = dma.planes.first().unwrap();
let size = plane.stride * dma.height as u32;
let fd = uapi::fcntl_dupfd_cloexec(plane.fd.raw(), 0).unwrap();
let fb = if RENDERDOC {
unsafe { GlTexture::new(&self.ctx, XRGB8888, width, height)?.to_framebuffer()? }
} else {
let egl_img = self.ctx.dpy.import_dmabuf(dma)?;
let rb = GlRenderBuffer::from_image(&egl_img, &self.ctx)?;
rb.create_framebuffer()?
let fb = match self.ctx.dmabuf_fb(dma) {
Ok(f) => f,
Err(e) => return Err(XorgBackendError::CreateFramebuffer(e)),
};
let pixmap = unsafe {
let pixmap = self.con.xcb.xcb_generate_id(self.con.c);
@ -416,7 +379,6 @@ impl XorgBackend {
serial: Default::default(),
next_msc: Cell::new(0),
next_image: Default::default(),
image: RefCell::new(None),
cb: CloneCell::new(None),
images,
});
@ -695,17 +657,7 @@ impl XorgBackend {
if let Some(node) = self.state.root.outputs.get(&output.id) {
let fb = image.fb.get();
let mut renderer = self.renderer.render_fb(&fb);
self.ctx
.with_current(|| unsafe {
fb.bind();
glViewport(0, 0, fb.width, fb.height);
// fb.clear(0.0, 0.0, 0.0, 1.0);
renderer.render_output(&node);
glFlush();
Ok(())
})
.unwrap();
fb.render(&*node);
}
unsafe {
@ -890,7 +842,6 @@ impl XorgBackend {
_ => return Ok(()),
};
output.removed.set(true);
*output.image.borrow_mut() = None;
output.changed();
Ok(())
}
@ -911,87 +862,12 @@ impl XorgBackend {
unsafe {
let images = self.create_images(output.window, width, height).unwrap();
for (new, old) in images.iter().zip(output.images.iter()) {
unsafe {
self.con.xcb.xcb_free_pixmap(self.con.c, old.pixmap.get());
}
self.con.xcb.xcb_free_pixmap(self.con.c, old.pixmap.get());
old.fb.set(new.fb.get());
old.pixmap.set(new.pixmap.get());
}
}
// let shm = Rc::new(ServerMem::new((width * height * 4) as usize)?);
// let fd = shm.fd();
// let image = Image::new(shm, pixman::X8R8G8B8, width, height, width * 4)?;
// *output.image.borrow_mut() = Some(image);
// unsafe {
// let fd = match uapi::fcntl_dupfd_cloexec(fd, 0) {
// Ok(fd) => fd,
// Err(e) => return Err(XorgBackendError::DupfdFailed(e.into())),
// };
// let shmseg = self.con.xcb.xcb_generate_id(self.con.c);
// let cookie =
// self.con
// .shm
// .xcb_shm_attach_fd_checked(self.con.c, shmseg, fd.unwrap(), 0);
// self.con.check_cookie(cookie)?;
// let pixmap = self.con.xcb.xcb_generate_id(self.con.c);
// let cookie = self.con.shm.xcb_shm_create_pixmap(
// self.con.c,
// pixmap,
// output.window,
// width as _,
// height as _,
// 24,
// shmseg,
// 0,
// );
// self.con.check_cookie(cookie)?;
// let cookie = self.con.xcb.xcb_change_window_attributes_checked(
// self.con.c,
// output.window,
// ffi::XCB_CW_BACK_PIXMAP,
// &pixmap as *const _ as _,
// );
// self.con.check_cookie(cookie)?;
// self.con.xcb.xcb_free_pixmap(self.con.c, pixmap);
// self.con.shm.xcb_shm_detach(self.con.c, shmseg);
// }
output.changed();
// self.render()?;
}
Ok(())
}
fn render(&self) -> Result<(), XorgBackendError> {
return Ok(());
let outputs = self.outputs.lock();
for output in outputs.values() {
let image = output.image.borrow();
let image = match image.deref() {
Some(i) => i,
None => continue,
};
let _ = image.fill(0, 0, 0, 255);
let node = match self.state.root.outputs.get(&output.id) {
Some(n) => n,
_ => continue,
};
let pos = node.position.get();
let mut renderer = PixmanRenderer::new(image);
renderer.render_output(&node);
for floating in self.state.root.floaters.iter() {
let fpos = floating.position.get();
if floating.visible.get() && fpos.intersects(&pos) {
let (x, y) = pos.translate(fpos.x1(), fpos.x2());
floating.render(&mut renderer, x, y);
}
}
unsafe {
let cookie =
self.con
.xcb
.xcb_clear_area_checked(self.con.c, 0, output.window, 0, 0, 0, 0);
self.con.check_cookie(cookie)?;
}
}
Ok(())
}
@ -1009,8 +885,6 @@ impl EventLoopDispatcher for XorgBackend {
impl WheelDispatcher for XorgBackend {
fn dispatch(self: Rc<Self>) -> Result<(), Box<dyn Error + Send + Sync>> {
self.render()?;
self.handle_events()?;
Ok(())
}
}
@ -1033,13 +907,12 @@ struct XorgOutput {
next_msc: Cell<u64>,
next_image: NumCell<usize>,
images: [XorgImage; 2],
image: RefCell<Option<Image<Rc<ServerMem>>>>,
cb: CloneCell<Option<Rc<dyn Fn()>>>,
}
struct XorgImage {
pixmap: Cell<ffi::xcb_pixmap_t>,
fb: CloneCell<Rc<GlFrameBuffer>>,
fb: CloneCell<Rc<Framebuffer>>,
idle: Cell<bool>,
render_on_idle: Cell<bool>,
last_serial: Cell<u32>,