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metal: implement direct scanout

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This commit is contained in:
Julian Orth 2024-02-18 20:29:23 +01:00
parent fed2ceb8b5
commit da84e9ec27
25 changed files with 682 additions and 148 deletions
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4
src/backend.rs
View file

@ -1,6 +1,7 @@
use {
crate::{
async_engine::SpawnedFuture,
drm_feedback::DrmFeedback,
fixed::Fixed,
gfx_api::GfxFramebuffer,
ifs::wl_seat::wl_pointer::{CONTINUOUS, FINGER, HORIZONTAL_SCROLL, VERTICAL_SCROLL, WHEEL},
@ -79,6 +80,9 @@ pub trait Connector {
fn damage(&self);
fn drm_dev(&self) -> Option<DrmDeviceId>;
fn set_enabled(&self, enabled: bool);
fn drm_feedback(&self) -> Option<Rc<DrmFeedback>> {
None
}
}
#[derive(Debug)]

3
src/backends/metal.rs
View file

@ -11,6 +11,7 @@ use {
},
backends::metal::video::{MetalDrmDeviceData, MetalRenderContext, PendingDrmDevice},
dbus::{DbusError, SignalHandler},
drm_feedback::DrmFeedback,
gfx_api::GfxError,
libinput::{
consts::{
@ -130,6 +131,7 @@ pub struct MetalBackend {
pause_handler: Cell<Option<SignalHandler>>,
resume_handler: Cell<Option<SignalHandler>>,
ctx: CloneCell<Option<Rc<MetalRenderContext>>>,
default_feedback: CloneCell<Option<Rc<DrmFeedback>>>,
}
impl Debug for MetalBackend {
@ -253,6 +255,7 @@ pub async fn create(state: &Rc<State>) -> Result<Rc<MetalBackend>, MetalError> {
pause_handler: Default::default(),
resume_handler: Default::default(),
ctx: Default::default(),
default_feedback: Default::default(),
});
metal.pause_handler.set(Some({
let mtl = metal.clone();

333
src/backends/metal/video.rs
View file

@ -6,12 +6,14 @@ use {
ConnectorKernelId, DrmDeviceId, HardwareCursor, MonitorInfo,
},
backends::metal::{MetalBackend, MetalError},
drm_feedback::DrmFeedback,
edid::Descriptor,
format::{Format, ARGB8888, XRGB8888},
gfx_api::{GfxContext, GfxFramebuffer, GfxTexture},
gfx_api::{BufferPoints, GfxApiOpt, GfxContext, GfxFramebuffer, GfxRenderPass, GfxTexture},
ifs::wp_presentation_feedback::{KIND_HW_COMPLETION, KIND_VSYNC},
renderer::RenderResult,
state::State,
tree::OutputNode,
udev::UdevDevice,
utils::{
asyncevent::AsyncEvent, bitflags::BitflagsExt, clonecell::CloneCell,
@ -19,6 +21,7 @@ use {
oserror::OsError, syncqueue::SyncQueue,
},
video::{
dmabuf::DmaBufId,
drm::{
drm_mode_modeinfo, Change, ConnectorStatus, ConnectorType, DrmBlob, DrmConnector,
DrmCrtc, DrmEncoder, DrmError, DrmEvent, DrmFramebuffer, DrmMaster, DrmModeInfo,
@ -36,13 +39,14 @@ use {
jay_config::video::GfxApi,
std::{
cell::{Cell, RefCell},
collections::VecDeque,
ffi::CString,
fmt::{Debug, Formatter},
mem,
ops::DerefMut,
rc::Rc,
rc::{Rc, Weak},
},
uapi::{c, c::dev_t},
uapi::c::{self, dev_t},
};
pub struct PendingDrmDevice {
@ -202,6 +206,11 @@ pub struct MetalConnector {
pub cursor_buffers: CloneCell<Option<Rc<[RenderBuffer; 2]>>>,
pub cursor_front_buffer: NumCell<usize>,
pub cursor_swap_buffer: Cell<bool>,
pub drm_feedback: CloneCell<Option<Rc<DrmFeedback>>>,
pub scanout_buffers: RefCell<AHashMap<DmaBufId, DirectScanoutCache>>,
pub active_framebuffers: RefCell<VecDeque<PresentFb>>,
pub direct_scanout_active: Cell<bool>,
}
#[derive(Debug)]
@ -310,11 +319,39 @@ impl<T> Debug for OnChange<T> {
}
}
#[derive(Debug)]
pub struct DirectScanoutCache {
tex: Weak<dyn GfxTexture>,
fb: Option<Rc<DrmFramebuffer>>,
}
#[derive(Debug)]
pub struct DirectScanoutData {
tex: Rc<dyn GfxTexture>,
fb: Rc<DrmFramebuffer>,
dma_buf_id: DmaBufId,
acquired: Cell<bool>,
}
impl Drop for DirectScanoutData {
fn drop(&mut self) {
if self.acquired.replace(false) {
self.tex.reservations().release();
}
}
}
#[derive(Debug)]
pub struct PresentFb {
fb: Rc<DrmFramebuffer>,
direct_scanout_data: Option<DirectScanoutData>,
}
impl MetalConnector {
async fn present_loop(self: Rc<Self>) {
loop {
self.present_trigger.triggered().await;
self.present();
let _ = self.present(true);
}
}
@ -351,49 +388,178 @@ impl MetalConnector {
self.present_trigger.trigger();
}
pub fn present(&self) {
let crtc = match self.crtc.get() {
Some(crtc) => crtc,
_ => return,
};
if (!self.has_damage.get() && !self.cursor_changed.get()) || !self.can_present.get() {
return;
fn trim_scanout_cache(&self) {
self.scanout_buffers
.borrow_mut()
.retain(|_, buffer| buffer.tex.strong_count() > 0);
}
fn prepare_direct_scanout(
&self,
pass: &GfxRenderPass,
plane: &Rc<MetalPlane>,
) -> Option<DirectScanoutData> {
if pass.ops.len() != 1 {
return None;
}
if !crtc.active.value.get() {
return;
let GfxApiOpt::CopyTexture(ct) = &pass.ops[0] else {
return None;
};
if ct.source != BufferPoints::identity() {
return None;
}
let plane = match self.primary_plane.get() {
Some(p) => p,
_ => return,
if ct.target.x1 != 0.0
|| ct.target.y1 != 0.0
|| ct.target.x2 != plane.mode_w.get() as f32
|| ct.target.y2 != plane.mode_h.get() as f32
{
return None;
}
let Some(dmabuf) = ct.tex.dmabuf() else {
return None;
};
let buffers = match self.buffers.get() {
Some(b) => b,
_ => return,
};
let cursor = self.cursor_plane.get();
let mut changes = self.master.change();
if self.has_damage.get() {
if !self.backend.check_render_context(&self.dev) {
return;
let mut cache = self.scanout_buffers.borrow_mut();
if let Some(buffer) = cache.get(&dmabuf.id) {
return buffer.fb.as_ref().map(|fb| DirectScanoutData {
tex: buffer.tex.upgrade().unwrap(),
fb: fb.clone(),
dma_buf_id: dmabuf.id,
acquired: Default::default(),
});
}
let format = 'format: {
if let Some(f) = plane.formats.get(&dmabuf.format.drm) {
break 'format f;
}
let buffer = &buffers[self.next_buffer.fetch_add(1) % buffers.len()];
if let Some(node) = self.state.root.outputs.get(&self.connector_id) {
let mut rr = self.render_result.borrow_mut();
let render_fb = buffer.render_fb();
self.state.present_output(
&node,
&render_fb,
&buffer.render_tex,
&mut rr,
!self.cursor_enabled.get(),
if let Some(opaque) = dmabuf.format.opaque {
if let Some(f) = plane.formats.get(&opaque.drm) {
break 'format f;
}
}
return None;
};
if !format.modifiers.contains(&dmabuf.modifier) {
return None;
}
let data = match self.dev.master.add_fb(dmabuf, Some(format.format)) {
Ok(fb) => Some(DirectScanoutData {
tex: ct.tex.clone(),
fb: Rc::new(fb),
dma_buf_id: dmabuf.id,
acquired: Default::default(),
}),
Err(e) => {
log::debug!(
"Could not import dmabuf for direct scanout: {}",
ErrorFmt(e)
);
None
}
};
cache.insert(
dmabuf.id,
DirectScanoutCache {
tex: Rc::downgrade(&ct.tex),
fb: data.as_ref().map(|dsd| dsd.fb.clone()),
},
);
data
}
fn prepare_present_fb(
&self,
rr: &mut RenderResult,
buffer: &RenderBuffer,
plane: &Rc<MetalPlane>,
output: &OutputNode,
try_direct_scanout: bool,
) -> PresentFb {
self.trim_scanout_cache();
let buffer_fb = buffer.render_fb();
let render_hw_cursor = !self.cursor_enabled.get();
let pass = buffer_fb.create_render_pass(
output,
&self.state,
Some(output.global.pos.get()),
Some(rr),
output.global.preferred_scale.get(),
render_hw_cursor,
);
let try_direct_scanout = try_direct_scanout && !output.global.have_shm_screencopies();
let mut direct_scanout_data = None;
if try_direct_scanout {
if let Some(dsd) = self.prepare_direct_scanout(&pass, plane) {
output.perform_screencopies(None, &dsd.tex, !render_hw_cursor);
direct_scanout_data = Some(dsd);
}
}
let direct_scanout_active = direct_scanout_data.is_some();
if self.direct_scanout_active.replace(direct_scanout_active) != direct_scanout_active {
let change = match direct_scanout_active {
true => "Enabling",
false => "Disabling",
};
log::debug!("{} direct scanout on {}", change, self.kernel_id());
}
let fb = match &direct_scanout_data {
None => {
self.next_buffer.fetch_add(1);
buffer_fb.perform_render_pass(pass);
if let Some(tex) = &buffer.dev_tex {
buffer.dev_fb.copy_texture(tex, 0, 0);
}
output.perform_screencopies(
Some(&*buffer_fb),
&buffer.render_tex,
!render_hw_cursor,
);
buffer.drm.clone()
}
Some(dsd) => dsd.fb.clone(),
};
PresentFb {
fb,
direct_scanout_data,
}
}
pub fn present(&self, try_direct_scanout: bool) -> Result<(), ()> {
let crtc = match self.crtc.get() {
Some(crtc) => crtc,
_ => return Ok(()),
};
if (!self.has_damage.get() && !self.cursor_changed.get()) || !self.can_present.get() {
return Ok(());
}
if !crtc.active.value.get() {
return Ok(());
}
let plane = match self.primary_plane.get() {
Some(p) => p,
_ => return Ok(()),
};
let buffers = match self.buffers.get() {
Some(b) => b,
_ => return Ok(()),
};
let cursor = self.cursor_plane.get();
let mut new_fb = None;
let mut changes = self.master.change();
if self.has_damage.get() {
if !self.backend.check_render_context(&self.dev) {
return Ok(());
}
if let Some(node) = self.state.root.outputs.get(&self.connector_id) {
let buffer = &buffers[self.next_buffer.get() % buffers.len()];
let mut rr = self.render_result.borrow_mut();
let fb =
self.prepare_present_fb(&mut rr, buffer, &plane, &node, try_direct_scanout);
rr.dispatch_frame_requests();
changes.change_object(plane.id, |c| {
c.change(plane.fb_id, fb.fb.id().0 as _);
});
new_fb = Some(fb);
}
changes.change_object(plane.id, |c| {
c.change(plane.fb_id, buffer.drm.id().0 as _);
});
}
if self.cursor_changed.get() && cursor.is_some() {
let plane = cursor.unwrap();
@ -434,12 +600,63 @@ impl MetalConnector {
DrmError::Atomic(OsError(c::EACCES)) => {
log::debug!("Could not perform atomic commit, likely because we're no longer the DRM master");
}
_ => log::error!("Could not set plane framebuffer: {}", ErrorFmt(e)),
_ => 'handle_failure: {
if let Some(fb) = &new_fb {
if let Some(dsd) = &fb.direct_scanout_data {
if self.present(false).is_ok() {
let mut cache = self.scanout_buffers.borrow_mut();
if let Some(buffer) = cache.remove(&dsd.dma_buf_id) {
cache.insert(
dsd.dma_buf_id,
DirectScanoutCache {
tex: buffer.tex,
fb: None,
},
);
}
break 'handle_failure;
}
}
}
log::error!("Could not set plane framebuffer: {}", ErrorFmt(e));
}
}
Err(())
} else {
if let Some(fb) = new_fb {
if let Some(dsd) = &fb.direct_scanout_data {
dsd.tex.reservations().acquire();
dsd.acquired.set(true);
}
self.active_framebuffers.borrow_mut().push_back(fb);
}
self.can_present.set(false);
self.has_damage.set(false);
self.cursor_changed.set(false);
Ok(())
}
}
pub fn update_drm_feedback(&self) {
let fb = self.compute_drm_feedback();
self.drm_feedback.set(fb);
}
fn compute_drm_feedback(&self) -> Option<Rc<DrmFeedback>> {
let default = self.backend.default_feedback.get()?;
let plane = self.primary_plane.get()?;
let mut formats = vec![];
for (format, info) in &plane.formats {
for modifier in &info.modifiers {
formats.push((*format, *modifier));
}
}
match default.for_scanout(&self.state.drm_feedback_ids, self.dev.devnum, &formats) {
Ok(fb) => fb.map(Rc::new),
Err(e) => {
log::error!("Could not compute connector feedback: {}", ErrorFmt(e));
None
}
}
}
}
@ -488,6 +705,10 @@ impl Connector for MetalConnector {
}
}
}
fn drm_feedback(&self) -> Option<Rc<DrmFeedback>> {
self.drm_feedback.get()
}
}
#[derive(Debug)]
@ -522,7 +743,7 @@ pub enum PlaneType {
#[derive(Debug)]
pub struct PlaneFormat {
_format: &'static Format,
format: &'static Format,
modifiers: IndexSet<Modifier>,
}
@ -538,6 +759,9 @@ pub struct MetalPlane {
pub assigned: Cell<bool>,
pub mode_w: Cell<i32>,
pub mode_h: Cell<i32>,
pub crtc_id: MutableProperty<DrmCrtc>,
pub crtc_x: MutableProperty<i32>,
pub crtc_y: MutableProperty<i32>,
@ -611,6 +835,10 @@ fn create_connector(
cursor_changed: Cell::new(false),
cursor_front_buffer: Default::default(),
cursor_swap_buffer: Cell::new(false),
drm_feedback: Default::default(),
scanout_buffers: Default::default(),
active_framebuffers: Default::default(),
direct_scanout_active: Cell::new(false),
});
let futures = ConnectorFutures {
present: backend
@ -786,7 +1014,7 @@ fn create_plane(plane: DrmPlane, master: &Rc<DrmMaster>) -> Result<MetalPlane, D
formats.insert(
format.format,
PlaneFormat {
_format: f,
format: f,
modifiers: format.modifiers,
},
);
@ -798,7 +1026,7 @@ fn create_plane(plane: DrmPlane, master: &Rc<DrmMaster>) -> Result<MetalPlane, D
formats.insert(
format,
PlaneFormat {
_format: f,
format: f,
modifiers: indexset![INVALID_MODIFIER],
},
);
@ -846,6 +1074,8 @@ fn create_plane(plane: DrmPlane, master: &Rc<DrmMaster>) -> Result<MetalPlane, D
src_h: props.get("SRC_H")?.map(|v| v as u32),
in_fence_fd: props.get("IN_FENCE_FD")?.id,
assigned: Cell::new(false),
mode_w: Cell::new(0),
mode_h: Cell::new(0),
})
}
@ -1294,6 +1524,12 @@ impl MetalBackend {
_ => return,
};
connector.can_present.set(true);
{
let mut scanout_buffers = connector.active_framebuffers.borrow_mut();
while scanout_buffers.len() > 1 {
scanout_buffers.pop_front();
}
}
if connector.has_damage.get() || connector.cursor_changed.get() {
connector.schedule_present();
}
@ -1465,6 +1701,14 @@ impl MetalBackend {
}
let ctx = dev.ctx.get();
self.state.set_render_ctx(Some(ctx.gfx.clone()));
let fb = match DrmFeedback::new(&self.state.drm_feedback_ids, &*ctx.gfx) {
Ok(fb) => Some(Rc::new(fb)),
Err(e) => {
log::error!("Could not create feedback for new context: {}", ErrorFmt(e));
None
}
};
self.default_feedback.set(fb);
self.ctx.set(Some(ctx));
for dev in self.device_holder.drm_devices.lock().values() {
self.re_init_drm_device(&dev);
@ -1562,6 +1806,7 @@ impl MetalBackend {
continue;
}
connector.send_hardware_cursor();
connector.update_drm_feedback();
}
Ok(())
}
@ -1704,7 +1949,7 @@ impl MetalBackend {
Ok(b) => b,
Err(e) => return Err(MetalError::ScanoutBuffer(e)),
};
let drm_fb = match dev.master.add_fb(dev_bo.dmabuf()) {
let drm_fb = match dev.master.add_fb(dev_bo.dmabuf(), None) {
Ok(fb) => Rc::new(fb),
Err(e) => return Err(MetalError::Framebuffer(e)),
};
@ -1917,6 +2162,8 @@ impl MetalBackend {
c.change(primary_plane.src_h.id, (mode.vdisplay as u64) << 16);
});
primary_plane.assigned.set(true);
primary_plane.mode_w.set(mode.hdisplay as _);
primary_plane.mode_h.set(mode.vdisplay as _);
primary_plane.crtc_id.value.set(crtc.id);
primary_plane.crtc_x.value.set(0);
primary_plane.crtc_y.value.set(0);

1
src/compositor.rs
View file

@ -202,6 +202,7 @@ fn start_compositor2(
activation_tokens: Default::default(),
toplevel_lists: Default::default(),
dma_buf_ids: Default::default(),
drm_feedback_ids: Default::default(),
});
state.tracker.register(ClientId::from_raw(0));
create_dummy_output(&state);

91
src/drm_feedback.rs
View file

@ -1,24 +1,45 @@
use {
crate::{gfx_api::GfxContext, utils::oserror::OsError},
crate::{gfx_api::GfxContext, utils::oserror::OsError, video::Modifier},
ahash::AHashMap,
byteorder::{NativeEndian, WriteBytesExt},
std::{io::Write, rc::Rc},
thiserror::Error,
uapi::{c, OwnedFd},
};
pub struct DrmFeedback {
linear_ids!(DrmFeedbackIds, DrmFeedbackId);
#[derive(Debug)]
pub struct DrmFeedbackShared {
pub fd: Rc<OwnedFd>,
pub size: usize,
pub indices: Vec<u16>,
pub main_device: c::dev_t,
pub indices: AHashMap<(u32, Modifier), u16>,
}
#[derive(Debug)]
pub struct DrmFeedback {
pub id: DrmFeedbackId,
pub shared: Rc<DrmFeedbackShared>,
pub tranches: Vec<DrmFeedbackTranche>,
}
#[derive(Clone, Debug)]
pub struct DrmFeedbackTranche {
pub device: c::dev_t,
pub indices: Vec<u16>,
pub scanout: bool,
}
impl DrmFeedback {
pub fn new(ctx: &dyn GfxContext) -> Result<Self, DrmFeedbackError> {
let dev_t = uapi::fstat(ctx.gbm().drm.raw())
pub fn new(
ids: &DrmFeedbackIds,
render_ctx: &dyn GfxContext,
) -> Result<Self, DrmFeedbackError> {
let main_device = uapi::fstat(render_ctx.gbm().drm.raw())
.map_err(OsError::from)?
.st_rdev;
let data = create_fd_data(ctx);
let (data, index_map) = create_fd_data(render_ctx);
let mut memfd =
uapi::memfd_create("drm_feedback", c::MFD_CLOEXEC | c::MFD_ALLOW_SEALING).unwrap();
memfd.write_all(&data).unwrap();
@ -28,27 +49,69 @@ impl DrmFeedback {
c::F_SEAL_SEAL | c::F_SEAL_GROW | c::F_SEAL_SHRINK | c::F_SEAL_WRITE,
)
.unwrap();
let num_indices = data.len() / 16;
let indices = (0..num_indices).map(|v| v as u16).collect();
Ok(Self {
fd: Rc::new(memfd),
size: data.len(),
indices,
main_device: dev_t,
id: ids.next(),
tranches: vec![DrmFeedbackTranche {
device: main_device,
indices: (0..index_map.len()).map(|v| v as u16).collect(),
scanout: false,
}],
shared: Rc::new(DrmFeedbackShared {
fd: Rc::new(memfd),
size: data.len(),
main_device,
indices: index_map,
}),
})
}
pub fn for_scanout(
&self,
ids: &DrmFeedbackIds,
devnum: c::dev_t,
formats: &[(u32, Modifier)],
) -> Result<Option<Self>, DrmFeedbackError> {
let mut tranches = vec![];
{
let mut indices = vec![];
for (format, modifier) in formats {
if let Some(idx) = self.shared.indices.get(&(*format, *modifier)) {
indices.push(*idx);
}
}
if indices.len() > 0 {
tranches.push(DrmFeedbackTranche {
device: devnum,
indices,
scanout: true,
});
} else {
return Ok(None);
}
}
tranches.extend(self.tranches.iter().cloned());
Ok(Some(Self {
id: ids.next(),
shared: self.shared.clone(),
tranches,
}))
}
}
fn create_fd_data(ctx: &dyn GfxContext) -> Vec<u8> {
fn create_fd_data(ctx: &dyn GfxContext) -> (Vec<u8>, AHashMap<(u32, Modifier), u16>) {
let mut vec = vec![];
let mut map = AHashMap::new();
let mut pos = 0;
for (format, info) in &*ctx.formats() {
for modifier in &info.read_modifiers {
vec.write_u32::<NativeEndian>(*format).unwrap();
vec.write_u32::<NativeEndian>(0).unwrap();
vec.write_u64::<NativeEndian>(*modifier).unwrap();
map.insert((*format, *modifier), pos);
pos += 1;
}
}
vec
(vec, map)
}
#[derive(Debug, Error)]

64
src/format.rs
View file

@ -26,6 +26,7 @@ pub struct Format {
pub has_alpha: bool,
pub shm_supported: bool,
pub pipewire: SpaVideoFormat,
pub opaque: Option<&'static Format>,
}
impl PartialEq for Format {
@ -87,7 +88,6 @@ pub fn map_wayland_format_id(id: u32) -> u32 {
}
}
#[allow(dead_code)]
pub static ARGB8888: &Format = &Format {
name: "argb8888",
bpp: 4,
@ -100,6 +100,7 @@ pub static ARGB8888: &Format = &Format {
has_alpha: true,
shm_supported: true,
pipewire: SPA_VIDEO_FORMAT_BGRA,
opaque: Some(XRGB8888),
};
pub static XRGB8888: &Format = &Format {
@ -114,38 +115,43 @@ pub static XRGB8888: &Format = &Format {
has_alpha: false,
shm_supported: true,
pipewire: SPA_VIDEO_FORMAT_BGRx,
opaque: None,
};
static ABGR8888: &Format = &Format {
name: "abgr8888",
bpp: 4,
gl_format: GL_RGBA,
gl_type: GL_UNSIGNED_BYTE,
vk_format: vk::Format::R8G8B8A8_UNORM,
drm: fourcc_code('A', 'B', '2', '4'),
wl_id: None,
external_only_guess: false,
has_alpha: true,
shm_supported: true,
pipewire: SPA_VIDEO_FORMAT_RGBA,
opaque: Some(XBGR8888),
};
static XBGR8888: &Format = &Format {
name: "xbgr8888",
bpp: 4,
gl_format: GL_RGBA,
gl_type: GL_UNSIGNED_BYTE,
vk_format: vk::Format::R8G8B8A8_UNORM,
drm: fourcc_code('X', 'B', '2', '4'),
wl_id: None,
external_only_guess: false,
has_alpha: false,
shm_supported: true,
pipewire: SPA_VIDEO_FORMAT_RGBx,
opaque: None,
};
pub static FORMATS: &[Format] = &[
*ARGB8888,
*XRGB8888,
*ARGB8888, *XRGB8888, *ABGR8888,
*XBGR8888,
// *NV12,
Format {
name: "abgr8888",
bpp: 4,
gl_format: GL_RGBA,
gl_type: GL_UNSIGNED_BYTE,
vk_format: vk::Format::R8G8B8A8_UNORM,
drm: fourcc_code('A', 'B', '2', '4'),
wl_id: None,
external_only_guess: false,
has_alpha: true,
shm_supported: true,
pipewire: SPA_VIDEO_FORMAT_RGBA,
},
Format {
name: "xbgr8888",
bpp: 4,
gl_format: GL_RGBA,
gl_type: GL_UNSIGNED_BYTE,
vk_format: vk::Format::R8G8B8A8_UNORM,
drm: fourcc_code('X', 'B', '2', '4'),
wl_id: None,
external_only_guess: false,
has_alpha: false,
shm_supported: true,
pipewire: SPA_VIDEO_FORMAT_RGBx,
},
// Format {
// name: "nv12",
// bpp: 1, // wrong but only used for shm

101
src/gfx_api.rs
View file

@ -9,6 +9,7 @@ use {
state::State,
theme::Color,
tree::Node,
utils::numcell::NumCell,
video::{dmabuf::DmaBuf, gbm::GbmDevice, Modifier},
},
ahash::AHashMap,
@ -31,7 +32,12 @@ pub enum GfxApiOpt {
CopyTexture(CopyTexture),
}
#[derive(Default, Debug, Copy, Clone)]
pub struct GfxRenderPass {
pub ops: Vec<GfxApiOpt>,
pub clear: Option<Color>,
}
#[derive(Default, Debug, Copy, Clone, PartialEq)]
pub struct BufferPoint {
pub x: f32,
pub y: f32,
@ -41,9 +47,25 @@ impl BufferPoint {
pub fn is_leq_1(&self) -> bool {
self.x <= 1.0 && self.y <= 1.0
}
pub fn top_left() -> Self {
Self { x: 0.0, y: 0.0 }
}
pub fn top_right() -> Self {
Self { x: 1.0, y: 0.0 }
}
pub fn bottom_left() -> Self {
Self { x: 0.0, y: 1.0 }
}
pub fn bottom_right() -> Self {
Self { x: 1.0, y: 1.0 }
}
}
#[derive(Default, Debug, Copy, Clone)]
#[derive(Default, Debug, Copy, Clone, PartialEq)]
pub struct BufferPoints {
pub top_left: BufferPoint,
pub top_right: BufferPoint,
@ -79,6 +101,15 @@ impl BufferPoints {
&& self.bottom_left.is_leq_1()
&& self.bottom_right.is_leq_1()
}
pub fn identity() -> Self {
Self {
top_left: BufferPoint::top_left(),
top_right: BufferPoint::top_right(),
bottom_left: BufferPoint::bottom_left(),
bottom_right: BufferPoint::bottom_right(),
}
}
}
#[derive(Debug)]
@ -172,7 +203,7 @@ impl dyn GfxFramebuffer {
self.render(ops, clear);
}
pub fn render_node(
pub fn create_render_pass(
&self,
node: &dyn Node,
state: &State,
@ -180,7 +211,7 @@ impl dyn GfxFramebuffer {
result: Option<&mut RenderResult>,
scale: Scale,
render_hardware_cursor: bool,
) {
) -> GfxRenderPass {
let mut ops = self.take_render_ops();
let (width, height) = self.size();
let mut renderer = Renderer {
@ -221,7 +252,34 @@ impl dyn GfxFramebuffer {
}
}
let c = state.theme.colors.background.get();
self.render(ops, Some(&c));
GfxRenderPass {
ops,
clear: Some(c),
}
}
pub fn perform_render_pass(&self, pass: GfxRenderPass) {
self.render(pass.ops, pass.clear.as_ref())
}
pub fn render_node(
&self,
node: &dyn Node,
state: &State,
cursor_rect: Option<Rect>,
result: Option<&mut RenderResult>,
scale: Scale,
render_hardware_cursor: bool,
) {
let pass = self.create_render_pass(
node,
state,
cursor_rect,
result,
scale,
render_hardware_cursor,
);
self.perform_render_pass(pass);
}
pub fn render_hardware_cursor(&self, cursor: &dyn Cursor, state: &State, scale: Scale) {
@ -253,6 +311,38 @@ pub trait GfxImage {
fn height(&self) -> i32;
}
#[derive(Default)]
pub struct TextureReservations {
reservations: NumCell<usize>,
on_release: Cell<Option<Box<dyn FnOnce()>>>,
}
impl TextureReservations {
pub fn has_reservation(&self) -> bool {
self.reservations.get() != 0
}
pub fn acquire(&self) {
self.reservations.fetch_add(1);
}
pub fn release(&self) {
if self.reservations.fetch_sub(1) == 1 {
if let Some(cb) = self.on_release.take() {
cb();
}
}
}
pub fn on_released<C: FnOnce() + 'static>(&self, cb: C) {
if self.has_reservation() {
self.on_release.set(Some(Box::new(cb)));
} else {
cb();
}
}
}
pub trait GfxTexture: Debug {
fn size(&self) -> (i32, i32);
fn as_any(&self) -> &dyn Any;
@ -268,6 +358,7 @@ pub trait GfxTexture: Debug {
shm: &[Cell<u8>],
) -> Result<(), GfxError>;
fn dmabuf(&self) -> Option<&DmaBuf>;
fn reservations(&self) -> &TextureReservations;
}
pub trait GfxContext: Debug {

1
src/gfx_apis/gl/renderer/context.rs
View file

@ -186,6 +186,7 @@ impl GlRenderContext {
Ok(Rc::new(Texture {
ctx: self.clone(),
gl,
resv: Default::default(),
}))
}
}

1
src/gfx_apis/gl/renderer/image.rs
View file

@ -28,6 +28,7 @@ impl Image {
Ok(Rc::new(Texture {
ctx: self.ctx.clone(),
gl: GlTexture::import_img(&self.ctx.ctx, &self.gl)?,
resv: Default::default(),
}))
}

7
src/gfx_apis/gl/renderer/texture.rs
View file

@ -1,7 +1,7 @@
use {
crate::{
format::Format,
gfx_api::{GfxError, GfxTexture},
gfx_api::{GfxError, GfxTexture, TextureReservations},
gfx_apis::gl::{gl::texture::GlTexture, renderer::context::GlRenderContext, RenderError},
video::dmabuf::DmaBuf,
},
@ -16,6 +16,7 @@ use {
pub struct Texture {
pub(in crate::gfx_apis::gl) ctx: Rc<GlRenderContext>,
pub(in crate::gfx_apis::gl) gl: GlTexture,
pub(in crate::gfx_apis::gl) resv: TextureReservations,
}
impl Debug for Texture {
@ -63,4 +64,8 @@ impl GfxTexture for Texture {
fn dmabuf(&self) -> Option<&DmaBuf> {
self.gl.img.as_ref().map(|i| &i.dmabuf)
}
fn reservations(&self) -> &TextureReservations {
&self.resv
}
}

9
src/gfx_apis/vulkan/image.rs
View file

@ -1,7 +1,7 @@
use {
crate::{
format::Format,
gfx_api::{GfxApiOpt, GfxError, GfxFramebuffer, GfxImage, GfxTexture},
gfx_api::{GfxApiOpt, GfxError, GfxFramebuffer, GfxImage, GfxTexture, TextureReservations},
gfx_apis::vulkan::{
allocator::VulkanAllocation, device::VulkanDevice, format::VulkanMaxExtents,
renderer::VulkanRenderer, util::OnDrop, VulkanError,
@ -53,6 +53,7 @@ pub struct VulkanImage {
pub(super) is_undefined: Cell<bool>,
pub(super) ty: VulkanImageMemory,
pub(super) render_ops: CloneCell<Vec<GfxApiOpt>>,
pub(super) resv: TextureReservations,
}
pub enum VulkanImageMemory {
@ -211,6 +212,7 @@ impl VulkanRenderer {
is_undefined: Cell::new(true),
ty: VulkanImageMemory::Internal(shm),
render_ops: Default::default(),
resv: Default::default(),
}))
}
@ -480,6 +482,7 @@ impl VulkanDmaBufImageTemplate {
}),
format: self.dmabuf.format,
is_undefined: Cell::new(true),
resv: Default::default(),
}))
}
}
@ -580,4 +583,8 @@ impl GfxTexture for VulkanImage {
VulkanImageMemory::Internal(_) => None,
}
}
fn reservations(&self) -> &TextureReservations {
&self.resv
}
}

56
src/ifs/wl_output.rs
View file

@ -202,9 +202,13 @@ impl WlOutputGlobal {
Ok(())
}
pub fn have_shm_screencopies(&self) -> bool {
self.pending_captures.iter().any(|c| c.is_shm.get())
}
pub fn perform_screencopies(
&self,
fb: &dyn GfxFramebuffer,
fb: Option<&dyn GfxFramebuffer>,
tex: &Rc<dyn GfxTexture>,
render_hardware_cursors: bool,
) {
@ -232,12 +236,13 @@ impl WlOutputGlobal {
wl_buffer.storage.borrow_mut().deref()
{
let acc = mem.access(|mem| {
fb.copy_to_shm(
rect.x1(),
rect.y1(),
rect.width(),
rect.height(),
XRGB8888,
tex.clone().read_pixels(
capture.rect.x1(),
capture.rect.y1(),
capture.rect.width(),
capture.rect.height(),
*stride,
wl_buffer.format,
mem,
)
});
@ -249,24 +254,25 @@ impl WlOutputGlobal {
}
};
if res.is_err() {
let acc = mem.access(|mem| {
tex.clone().read_pixels(
capture.rect.x1(),
capture.rect.y1(),
capture.rect.width(),
capture.rect.height(),
*stride,
wl_buffer.format,
mem,
)
});
res = match acc {
Ok(res) => res,
Err(e) => {
capture.client.error(e);
continue;
}
};
if let Some(fb) = fb {
let acc = mem.access(|mem| {
fb.copy_to_shm(
rect.x1(),
rect.y1(),
rect.width(),
rect.height(),
XRGB8888,
mem,
)
});
res = match acc {
Ok(res) => res,
Err(e) => {
capture.client.error(e);
continue;
}
};
}
}
if let Err(e) = res {
log::warn!("Could not read texture to memory: {}", ErrorFmt(e));

34
src/ifs/wl_surface.rs
View file

@ -14,6 +14,7 @@ use {
crate::{
backend::KeyState,
client::{Client, ClientError, RequestParser},
drm_feedback::DrmFeedback,
fixed::Fixed,
gfx_api::{BufferPoint, BufferPoints},
ifs::{
@ -36,6 +37,7 @@ use {
},
wp_content_type_v1::ContentType,
wp_presentation_feedback::WpPresentationFeedback,
zwp_linux_dmabuf_feedback_v1::ZwpLinuxDmabufFeedbackV1,
},
leaks::Tracker,
object::Object,
@ -53,7 +55,10 @@ use {
numcell::NumCell,
smallmap::SmallMap,
},
wire::{wl_surface::*, WlOutputId, WlSurfaceId, ZwpIdleInhibitorV1Id},
wire::{
wl_surface::*, WlOutputId, WlSurfaceId, ZwpIdleInhibitorV1Id,
ZwpLinuxDmabufFeedbackV1Id,
},
xkbcommon::ModifierState,
xwayland::XWaylandEvent,
},
@ -259,6 +264,7 @@ pub struct WlSurface {
version: u32,
pub has_content_type_manager: Cell<bool>,
content_type: Cell<Option<ContentType>>,
pub drm_feedback: CopyHashMap<ZwpLinuxDmabufFeedbackV1Id, Rc<ZwpLinuxDmabufFeedbackV1>>,
}
impl Debug for WlSurface {
@ -411,6 +417,7 @@ impl WlSurface {
version,
has_content_type_manager: Default::default(),
content_type: Default::default(),
drm_feedback: Default::default(),
}
}
@ -762,7 +769,23 @@ impl WlSurface {
if let Some(buffer) = self.buffer.take() {
old_raw_size = Some(buffer.rect);
if !buffer.destroyed() {
buffer.send_release();
'handle_release: {
if let Some(tex) = buffer.texture.get() {
let resv = tex.reservations();
if resv.has_reservation() {
let buffer = Rc::downgrade(&buffer);
resv.on_released(move || {
if let Some(buffer) = buffer.upgrade() {
if !buffer.destroyed() {
buffer.send_release();
}
}
});
break 'handle_release;
}
}
buffer.send_release();
}
}
}
if let Some(buffer) = buffer_change {
@ -1065,6 +1088,12 @@ impl WlSurface {
tl.tl_data().request_attention(tl.tl_as_node());
}
}
pub fn send_feedback(&self, fb: &DrmFeedback) {
for consumer in self.drm_feedback.lock().values() {
consumer.send_feedback(fb);
}
}
}
object_base! {
@ -1100,6 +1129,7 @@ impl Object for WlSurface {
self.fractional_scale.take();
self.tearing_control.take();
self.constraints.clear();
self.drm_feedback.clear();
}
}

4
src/ifs/wl_surface/x_surface/xwindow.rs
View file

@ -424,6 +424,10 @@ impl ToplevelNode for Xwindow {
self.display_link.borrow_mut().take();
self.x.surface.destroy_node();
}
fn tl_scanout_surface(&self) -> Option<Rc<WlSurface>> {
Some(self.x.surface.clone())
}
}
impl StackedNode for Xwindow {

9
src/ifs/wl_surface/xdg_surface/xdg_toplevel.rs
View file

@ -8,7 +8,10 @@ use {
ifs::{
ext_foreign_toplevel_list_v1::ExtForeignToplevelListV1,
wl_seat::{NodeSeatState, SeatId, WlSeatGlobal},
wl_surface::xdg_surface::{XdgSurface, XdgSurfaceError, XdgSurfaceExt},
wl_surface::{
xdg_surface::{XdgSurface, XdgSurfaceError, XdgSurfaceExt},
WlSurface,
},
},
leaks::Tracker,
object::Object,
@ -544,6 +547,10 @@ impl ToplevelNode for XdgToplevel {
// self.map_tiled()
// }
// }
fn tl_scanout_surface(&self) -> Option<Rc<WlSurface>> {
Some(self.xdg.surface.clone())
}
}
impl XdgSurfaceExt for XdgToplevel {

9
src/ifs/zwlr_screencopy_frame_v1.rs
View file

@ -33,6 +33,7 @@ pub struct ZwlrScreencopyFrameV1 {
pub with_damage: Cell<bool>,
pub output_link: Cell<Option<LinkedNode<Rc<Self>>>>,
pub buffer: Cell<Option<Rc<WlBuffer>>>,
pub is_shm: Cell<bool>,
pub version: u32,
}
@ -119,6 +120,14 @@ impl ZwlrScreencopyFrameV1 {
return Err(ZwlrScreencopyFrameV1Error::InvalidBufferStride);
}
}
let is_shm = match &*buffer.storage.borrow() {
None => false,
Some(s) => match s {
WlBufferStorage::Shm { .. } => true,
WlBufferStorage::Dmabuf(_) => false,
},
};
self.is_shm.set(is_shm);
self.buffer.set(Some(buffer));
if !with_damage {
self.output.connector.connector.damage();

1
src/ifs/zwlr_screencopy_manager_v1.rs
View file

@ -112,6 +112,7 @@ impl ZwlrScreencopyManagerV1 {
with_damage: Cell::new(false),
output_link: Cell::new(None),
buffer: Cell::new(None),
is_shm: Cell::new(false),
version: self.version,
});
track!(self.client, frame);

35
src/ifs/zwp_linux_dmabuf_feedback_v1.rs
View file

@ -1,13 +1,14 @@
use {
crate::{
client::{Client, ClientError},
drm_feedback::DrmFeedback,
drm_feedback::{DrmFeedback, DrmFeedbackId},
ifs::wl_surface::WlSurface,
leaks::Tracker,
object::Object,
utils::buffd::{MsgParser, MsgParserError},
wire::{zwp_linux_dmabuf_feedback_v1::*, ZwpLinuxDmabufFeedbackV1Id},
},
std::rc::Rc,
std::{cell::Cell, rc::Rc},
thiserror::Error,
uapi::{c, OwnedFd},
};
@ -19,24 +20,37 @@ pub struct ZwpLinuxDmabufFeedbackV1 {
pub id: ZwpLinuxDmabufFeedbackV1Id,
pub client: Rc<Client>,
pub tracker: Tracker<Self>,
pub last_feedback: Cell<Option<DrmFeedbackId>>,
pub surface: Option<Rc<WlSurface>>,
}
impl ZwpLinuxDmabufFeedbackV1 {
pub fn new(id: ZwpLinuxDmabufFeedbackV1Id, client: &Rc<Client>) -> Self {
pub fn new(
id: ZwpLinuxDmabufFeedbackV1Id,
client: &Rc<Client>,
surface: Option<&Rc<WlSurface>>,
) -> Self {
Self {
id,
client: client.clone(),
tracker: Default::default(),
last_feedback: Default::default(),
surface: surface.cloned(),
}
}
pub fn send_feedback(&self, feedback: &DrmFeedback) {
self.send_format_table(&feedback.fd, feedback.size);
self.send_main_device(feedback.main_device);
self.send_tranche_target_device(feedback.main_device);
self.send_tranche_formats(&feedback.indices);
self.send_tranche_flags(0);
self.send_tranche_done();
if self.last_feedback.replace(Some(feedback.id)) == Some(feedback.id) {
return;
}
self.send_format_table(&feedback.shared.fd, feedback.shared.size);
self.send_main_device(feedback.shared.main_device);
for tranch in &feedback.tranches {
self.send_tranche_target_device(tranch.device);
self.send_tranche_formats(&tranch.indices);
self.send_tranche_flags(if tranch.scanout { SCANOUT } else { 0 });
self.send_tranche_done();
}
self.send_done();
}
@ -96,6 +110,9 @@ impl ZwpLinuxDmabufFeedbackV1 {
.state
.drm_feedback_consumers
.remove(&(self.client.id, self.id));
if let Some(surface) = &self.surface {
surface.drm_feedback.remove(&self.id);
}
}
}

18
src/ifs/zwp_linux_dmabuf_v1.rs
View file

@ -3,7 +3,7 @@ use {
client::{Client, ClientError},
globals::{Global, GlobalName},
ifs::{
zwp_linux_buffer_params_v1::ZwpLinuxBufferParamsV1,
wl_surface::WlSurface, zwp_linux_buffer_params_v1::ZwpLinuxBufferParamsV1,
zwp_linux_dmabuf_feedback_v1::ZwpLinuxDmabufFeedbackV1,
},
leaks::Tracker,
@ -120,8 +120,9 @@ impl ZwpLinuxDmabufV1 {
fn get_feedback(
self: &Rc<Self>,
id: ZwpLinuxDmabufFeedbackV1Id,
) -> Result<(), ZwpLinuxDmabufV1Error> {
let fb = Rc::new(ZwpLinuxDmabufFeedbackV1::new(id, &self.client));
surface: Option<&Rc<WlSurface>>,
) -> Result<Rc<ZwpLinuxDmabufFeedbackV1>, ZwpLinuxDmabufV1Error> {
let fb = Rc::new(ZwpLinuxDmabufFeedbackV1::new(id, &self.client, surface));
track!(self.client, fb);
self.client.add_client_obj(&fb)?;
self.client
@ -131,7 +132,7 @@ impl ZwpLinuxDmabufV1 {
if let Some(feedback) = self.client.state.drm_feedback.get() {
fb.send_feedback(&feedback);
}
Ok(())
Ok(fb)
}
fn get_default_feedback(
@ -139,7 +140,8 @@ impl ZwpLinuxDmabufV1 {
parser: MsgParser<'_, '_>,
) -> Result<(), ZwpLinuxDmabufV1Error> {
let req: GetDefaultFeedback = self.client.parse(&**self, parser)?;
self.get_feedback(req.id)
self.get_feedback(req.id, None)?;
Ok(())
}
fn get_surface_feedback(
@ -147,8 +149,10 @@ impl ZwpLinuxDmabufV1 {
parser: MsgParser<'_, '_>,
) -> Result<(), ZwpLinuxDmabufV1Error> {
let req: GetSurfaceFeedback = self.client.parse(&**self, parser)?;
let _surface = self.client.lookup(req.surface)?;
self.get_feedback(req.id)
let surface = self.client.lookup(req.surface)?;
let fb = self.get_feedback(req.id, Some(&surface))?;
surface.drm_feedback.set(req.id, fb);
Ok(())
}
}

9
src/renderer.rs
View file

@ -35,6 +35,15 @@ pub struct RenderResult {
pub presentation_feedbacks: Vec<Rc<WpPresentationFeedback>>,
}
impl RenderResult {
pub fn dispatch_frame_requests(&mut self) {
for fr in self.frame_requests.drain(..) {
fr.send_done();
let _ = fr.client.remove_obj(&*fr);
}
}
}
impl Debug for RenderResult {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
f.debug_struct("RenderResult").finish_non_exhaustive()

12
src/state.rs
View file

@ -12,7 +12,7 @@ use {
config::ConfigProxy,
cursor::{Cursor, ServerCursors},
dbus::Dbus,
drm_feedback::DrmFeedback,
drm_feedback::{DrmFeedback, DrmFeedbackIds},
fixed::Fixed,
forker::ForkerProxy,
gfx_api::{GfxContext, GfxError, GfxFramebuffer, GfxTexture},
@ -143,6 +143,7 @@ pub struct State {
pub toplevel_lists:
CopyHashMap<(ClientId, ExtForeignToplevelListV1Id), Rc<ExtForeignToplevelListV1>>,
pub dma_buf_ids: DmaBufIds,
pub drm_feedback_ids: DrmFeedbackIds,
}
// impl Drop for State {
@ -348,7 +349,7 @@ impl State {
'handle_new_feedback: {
if let Some(ctx) = &ctx {
let feedback = match DrmFeedback::new(&**ctx) {
let feedback = match DrmFeedback::new(&self.drm_feedback_ids, &**ctx) {
Ok(fb) => fb,
Err(e) => {
log::error!("Could not create new DRM feedback: {}", ErrorFmt(e));
@ -750,11 +751,8 @@ impl State {
output.global.preferred_scale.get(),
render_hw_cursor,
);
for fr in rr.frame_requests.drain(..) {
fr.send_done();
let _ = fr.client.remove_obj(&*fr);
}
output.perform_screencopies(&**fb, tex, !render_hw_cursor);
output.perform_screencopies(Some(&**fb), tex, !render_hw_cursor);
rr.dispatch_frame_requests();
}
pub fn perform_screencopy(

2
src/tree/output.rs
View file

@ -80,7 +80,7 @@ pub async fn output_render_data(state: Rc<State>) {
impl OutputNode {
pub fn perform_screencopies(
&self,
fb: &dyn GfxFramebuffer,
fb: Option<&dyn GfxFramebuffer>,
tex: &Rc<dyn GfxTexture>,
render_hardware_cursor: bool,
) {

7
src/tree/toplevel.rs
View file

@ -5,6 +5,7 @@ use {
ext_foreign_toplevel_handle_v1::ExtForeignToplevelHandleV1,
ext_foreign_toplevel_list_v1::ExtForeignToplevelListV1,
wl_seat::{collect_kb_foci, collect_kb_foci2, NodeSeatState, SeatId},
wl_surface::WlSurface,
},
rect::Rect,
state::State,
@ -161,6 +162,10 @@ pub trait ToplevelNode: Node {
fn tl_last_active_child(self: Rc<Self>) -> Rc<dyn ToplevelNode> {
self.tl_into_dyn()
}
fn tl_scanout_surface(&self) -> Option<Rc<WlSurface>> {
None
}
}
pub struct FullscreenedData {
@ -356,8 +361,8 @@ impl ToplevelData {
});
drop(data);
self.is_fullscreen.set(true);
ws.set_fullscreen_node(&node);
node.tl_set_parent(ws.clone());
ws.set_fullscreen_node(&node);
node.clone().tl_set_workspace(ws);
node.clone()
.tl_change_extents(&ws.output.get().global.pos.get());

10
src/tree/workspace.rs
View file

@ -143,6 +143,11 @@ impl WorkspaceNode {
if plane_was_visible {
self.plane_set_visible(false);
}
if let Some(surface) = node.tl_scanout_surface() {
if let Some(fb) = self.output.get().global.connector.connector.drm_feedback() {
surface.send_feedback(&fb);
}
}
}
pub fn remove_fullscreen_node(&self) {
@ -151,6 +156,11 @@ impl WorkspaceNode {
if self.visible.get() {
self.plane_set_visible(true);
}
if let Some(surface) = node.tl_scanout_surface() {
if let Some(fb) = surface.client.state.drm_feedback.get() {
surface.send_feedback(&fb);
}
}
}
}

9
src/video/drm.rs
View file

@ -32,6 +32,7 @@ use {
use crate::{
backend,
format::Format,
io_uring::{IoUring, IoUringError},
utils::{buf::Buf, errorfmt::ErrorFmt, stack::Stack, syncqueue::SyncQueue, vec_ext::VecExt},
video::{
@ -306,7 +307,11 @@ impl DrmMaster {
}
}
pub fn add_fb(self: &Rc<Self>, dma: &DmaBuf) -> Result<DrmFramebuffer, DrmError> {
pub fn add_fb(
self: &Rc<Self>,
dma: &DmaBuf,
format: Option<&Format>,
) -> Result<DrmFramebuffer, DrmError> {
let mut modifier = 0;
let mut flags = 0;
if dma.modifier != INVALID_MODIFIER {
@ -330,7 +335,7 @@ impl DrmMaster {
self.raw(),
dma.width as _,
dma.height as _,
dma.format.drm,
format.unwrap_or(dma.format).drm,
flags,
handles,
strides,