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4a9692013d
This can help to gradually convert existing components away from `wlr_linux_drm_syncobj_v1_state_signal_release_with_buffer()`
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
#ifndef WLR_RENDER_DRM_SYNCOBJ_MERGER_H
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#define WLR_RENDER_DRM_SYNCOBJ_MERGER_H
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#include <wayland-server-core.h>
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struct wlr_buffer;
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/**
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* Accumulate timeline points, to have a destination timeline point be
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* signalled when all inputs are
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*/
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struct wlr_drm_syncobj_merger {
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int n_ref;
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struct wlr_drm_syncobj_timeline *dst_timeline;
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uint64_t dst_point;
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int sync_fd;
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};
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/**
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* Create a new merger.
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*
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* The given timeline point will be signalled when all input points are
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* signalled and the merger is destroyed.
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*/
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struct wlr_drm_syncobj_merger *wlr_drm_syncobj_merger_create(
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struct wlr_drm_syncobj_timeline *dst_timeline, uint64_t dst_point);
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struct wlr_drm_syncobj_merger *wlr_drm_syncobj_merger_ref(
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struct wlr_drm_syncobj_merger *merger);
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/**
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* Target timeline point is materialized when all inputs are, and the merger is
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* destroyed.
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*/
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void wlr_drm_syncobj_merger_unref(struct wlr_drm_syncobj_merger *merger);
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/**
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* Add a new timeline point to wait for.
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*
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* If the point is not materialized, the supplied event loop is used to schedule
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* a wait.
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*/
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bool wlr_drm_syncobj_merger_add(struct wlr_drm_syncobj_merger *merger,
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struct wlr_drm_syncobj_timeline *dst_timeline, uint64_t dst_point,
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struct wl_event_loop *loop);
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/**
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* Add a new sync file to wait for.
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*
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* Ownership of fd is transferred to the merger.
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*/
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bool wlr_drm_syncobj_merger_add_sync_file(struct wlr_drm_syncobj_merger *merger,
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int fd);
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/**
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* Add a new DMA-BUF release to wait for.
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*
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* Waits for write access.
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* If the platform does not support DMA-BUF<->sync file interop, the supplied
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* event_loop is used to schedule a wait.
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*/
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bool wlr_drm_syncobj_merger_add_dmabuf(struct wlr_drm_syncobj_merger *merger,
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struct wlr_buffer *buffer, struct wl_event_loop *event_loop);
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#endif
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