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linux_drm_syncobj_v1: add _state_add_release_from_implicit_sync()

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This can help to gradually convert existing components away from
`wlr_linux_drm_syncobj_v1_state_signal_release_with_buffer()`
This commit is contained in:
Félix Poisot 2026-03-20 11:26:16 +00:00
parent c66a910753
commit 4a9692013d
4 changed files with 116 additions and 8 deletions
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20
include/render/drm_syncobj_merger.h
View file

@ -3,6 +3,8 @@
#include <wayland-server-core.h>
struct wlr_buffer;
/**
* Accumulate timeline points, to have a destination timeline point be
* signalled when all inputs are
@ -41,4 +43,22 @@ bool wlr_drm_syncobj_merger_add(struct wlr_drm_syncobj_merger *merger,
struct wlr_drm_syncobj_timeline *dst_timeline, uint64_t dst_point,
struct wl_event_loop *loop);
/**
* Add a new sync file to wait for.
*
* Ownership of fd is transferred to the merger.
*/
bool wlr_drm_syncobj_merger_add_sync_file(struct wlr_drm_syncobj_merger *merger,
int fd);
/**
* Add a new DMA-BUF release to wait for.
*
* Waits for write access.
* If the platform does not support DMA-BUF<->sync file interop, the supplied
* event_loop is used to schedule a wait.
*/
bool wlr_drm_syncobj_merger_add_dmabuf(struct wlr_drm_syncobj_merger *merger,
struct wlr_buffer *buffer, struct wl_event_loop *event_loop);
#endif

17
include/wlr/types/wlr_linux_drm_syncobj_v1.h
View file

@ -74,4 +74,21 @@ bool wlr_linux_drm_syncobj_v1_state_add_release_point(
struct wlr_drm_syncobj_timeline *release_timeline, uint64_t release_point,
struct wl_event_loop *event_loop);
/**
* Register the DMA-BUF release of a buffer for buffer usage.
* Non-dmabuf buffers are considered to be immediately available (no wait).
*
* This function may be called multiple times for the same commit. The client's
* release point will be signalled when all registered points are signalled, and
* a new buffer has been committed.
*
* Because the platform may not support DMA-BUF fence merges, a wl_event_loop
* must be supplied to schedule a wait internally, if needed
*
* Waits for write access
*/
bool wlr_linux_drm_syncobj_v1_state_add_release_from_implicit_sync(
struct wlr_linux_drm_syncobj_surface_v1_state *state,
struct wlr_buffer *buffer, struct wl_event_loop *event_loop);
#endif