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video: add udmabuf allocator

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This commit is contained in:
Julian Orth 2024-09-01 20:23:04 +02:00
parent 2579834a60
commit 62cd29056a
33 changed files with 883 additions and 256 deletions
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10
src/drm_feedback.rs
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@ -36,9 +36,11 @@ impl DrmFeedback {
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 drm = match render_ctx.allocator().drm() {
Some(drm) => drm.raw(),
_ => return Err(DrmFeedbackError::NoDrmDevice),
};
let main_device = uapi::fstat(drm).map_err(OsError::from)?.st_rdev;
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();
@ -118,4 +120,6 @@ fn create_fd_data(ctx: &dyn GfxContext) -> (Vec<u8>, AHashMap<(u32, Modifier), u
pub enum DrmFeedbackError {
#[error("Could not stat drm device")]
Stat(#[from] OsError),
#[error("Graphics API does not have a DRM device")]
NoDrmDevice,
}