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gfx-api: add support for syncobj synchronization

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This commit is contained in:
Julian Orth 2026-03-01 20:29:53 +01:00
parent 80a69ba7ef
commit 7e6facf4e3
20 changed files with 323 additions and 159 deletions
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12
src/video/drm/sys.rs
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@ -1223,6 +1223,7 @@ pub const DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE: u32 = 1 << 0;
pub const DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_TIMELINE: u32 = 1 << 1;
pub const DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE: u32 = 1 << 0;
pub const DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_TIMELINE: u32 = 1 << 1;
#[repr(C)]
struct drm_syncobj_handle {
@ -1236,13 +1237,18 @@ struct drm_syncobj_handle {
const DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD: u64 = drm_iowr::<drm_syncobj_handle>(0xC1);
const DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE: u64 = drm_iowr::<drm_syncobj_handle>(0xC2);
pub fn syncobj_handle_to_fd(drm: c::c_int, handle: u32, flags: u32) -> Result<OwnedFd, OsError> {
pub fn syncobj_handle_to_fd(
drm: c::c_int,
handle: u32,
flags: u32,
point: u64,
) -> Result<OwnedFd, OsError> {
let mut res = drm_syncobj_handle {
handle,
flags,
fd: 0,
pad: 0,
point: 0,
point,
};
unsafe {
ioctl(drm, DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD, &mut res)?;
@ -1271,7 +1277,7 @@ pub fn syncobj_fd_to_handle(
}
// pub const DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL: u32 = 1 << 0;
// pub const DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT: u32 = 1 << 1;
pub const DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT: u32 = 1 << 1;
pub const DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE: u32 = 1 << 2;
#[repr(C)]