wayland/dmabuf: Allow global creation with a client filter
This commit is contained in:
Victor Brekenfeld
parent
3842b78979
commit
bafc378181
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@ -22,6 +22,7 @@
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- Setting the parent of a toplevel surface is now possible with the `xdg::ToplevelSurface::set_parent` function.
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- Add support for the zxdg-foreign-v2 protocol.
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- Support for `xdg_wm_base` protocol version 3
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- Added the option to initialize the dmabuf global with a client filter
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### Bugfixes
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@ -54,7 +54,7 @@ use wayland_protocols::unstable::linux_dmabuf::v1::server::{
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},
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zwp_linux_dmabuf_v1,
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};
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use wayland_server::{protocol::wl_buffer, DispatchData, Display, Filter, Global, Main};
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use wayland_server::{protocol::wl_buffer, Client, DispatchData, Display, Filter, Global, Main};
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use slog::{o, trace};
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@ -63,9 +63,7 @@ use crate::backend::allocator::{
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Format, Fourcc, Modifier,
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};
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/// Handler trait for dmabuf validation
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///
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/// You need to provide an implementation of this trait
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const DMABUF_VERSION: u32 = 3;
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/// Initialize a dmabuf global.
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///
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@ -77,6 +75,37 @@ pub fn init_dmabuf_global<F, L>(
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handler: F,
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logger: L,
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) -> Global<zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1>
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where
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L: Into<Option<::slog::Logger>>,
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F: for<'a> FnMut(&Dmabuf, DispatchData<'a>) -> bool + 'static,
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{
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display.create_global(DMABUF_VERSION, dmabuf_global(formats, handler, logger))
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}
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/// Initialize a dmabuf global with a client filter.
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///
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/// You need to provide a vector of the supported formats, as well as a closure,
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/// that will validate the parameters provided by the client and tests the import as a dmabuf.
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pub fn init_dmabuf_global_with_filter<H, F, L>(
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display: &mut Display,
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formats: Vec<Format>,
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handler: H,
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filter: F,
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logger: L,
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) -> Global<zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1>
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where
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L: Into<Option<::slog::Logger>>,
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H: for<'a> FnMut(&Dmabuf, DispatchData<'a>) -> bool + 'static,
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F: FnMut(Client) -> bool + 'static,
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{
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display.create_global_with_filter(DMABUF_VERSION, dmabuf_global(formats, handler, logger), filter)
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}
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fn dmabuf_global<F, L>(
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formats: Vec<Format>,
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handler: F,
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logger: L,
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) -> Filter<(Main<zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1>, u32)>
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where
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L: Into<Option<::slog::Logger>>,
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F: for<'a> FnMut(&Dmabuf, DispatchData<'a>) -> bool + 'static,
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@ -92,72 +121,67 @@ where
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formats.len()
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);
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display.create_global(
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3,
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Filter::new(
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move |(dmabuf, version): (Main<zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1>, u32), _, _| {
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let dma_formats = formats.clone();
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let dma_handler = handler.clone();
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let dma_log = log.clone();
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dmabuf.quick_assign(move |_, req, _| {
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if let zwp_linux_dmabuf_v1::Request::CreateParams { params_id } = req {
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let mut handler = ParamsHandler {
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pending_planes: Vec::new(),
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max_planes: 4,
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used: false,
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formats: dma_formats.clone(),
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handler: dma_handler.clone(),
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log: dma_log.clone(),
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};
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params_id.quick_assign(move |params, req, ddata| match req {
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ParamsRequest::Add {
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fd,
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plane_idx,
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offset,
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stride,
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modifier_hi,
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modifier_lo,
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} => handler.add(
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&*params,
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fd,
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plane_idx,
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offset,
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stride,
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((modifier_hi as u64) << 32) + (modifier_lo as u64),
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),
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ParamsRequest::Create {
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width,
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height,
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format,
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flags,
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} => handler.create(&*params, width, height, format, flags, ddata),
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ParamsRequest::CreateImmed {
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buffer_id,
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width,
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height,
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format,
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flags,
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} => {
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handler.create_immed(&*params, buffer_id, width, height, format, flags, ddata)
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}
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_ => {}
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});
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}
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});
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// send the supported formats
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for f in &*formats {
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dmabuf.format(f.code as u32);
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if version >= 3 {
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dmabuf.modifier(
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f.code as u32,
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(Into::<u64>::into(f.modifier) >> 32) as u32,
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Into::<u64>::into(f.modifier) as u32,
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);
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}
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Filter::new(
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move |(dmabuf, version): (Main<zwp_linux_dmabuf_v1::ZwpLinuxDmabufV1>, u32), _, _| {
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let dma_formats = formats.clone();
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let dma_handler = handler.clone();
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let dma_log = log.clone();
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dmabuf.quick_assign(move |_, req, _| {
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if let zwp_linux_dmabuf_v1::Request::CreateParams { params_id } = req {
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let mut handler = ParamsHandler {
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pending_planes: Vec::new(),
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max_planes: 4,
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used: false,
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formats: dma_formats.clone(),
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handler: dma_handler.clone(),
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log: dma_log.clone(),
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};
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params_id.quick_assign(move |params, req, ddata| match req {
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ParamsRequest::Add {
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fd,
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plane_idx,
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offset,
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stride,
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modifier_hi,
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modifier_lo,
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} => handler.add(
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&*params,
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fd,
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plane_idx,
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offset,
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stride,
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((modifier_hi as u64) << 32) + (modifier_lo as u64),
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),
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ParamsRequest::Create {
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width,
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height,
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format,
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flags,
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} => handler.create(&*params, width, height, format, flags, ddata),
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ParamsRequest::CreateImmed {
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buffer_id,
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width,
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height,
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format,
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flags,
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} => handler.create_immed(&*params, buffer_id, width, height, format, flags, ddata),
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_ => {}
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});
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}
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},
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),
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});
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// send the supported formats
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for f in &*formats {
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dmabuf.format(f.code as u32);
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if version >= 3 {
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dmabuf.modifier(
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f.code as u32,
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(Into::<u64>::into(f.modifier) >> 32) as u32,
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Into::<u64>::into(f.modifier) as u32,
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);
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}
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}
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},
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)
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}
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