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render/drm_syncobj: add wlr_drm_syncobj_timeline_transfer()

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This commit is contained in:
Simon Ser 2021-10-21 15:23:20 +02:00
parent 3067e45c2e
commit 5552de65f8
2 changed files with 20 additions and 0 deletions
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7
include/wlr/render/drm_syncobj.h
View File

@ -62,6 +62,13 @@ struct wlr_drm_syncobj_timeline *wlr_drm_syncobj_timeline_ref(struct wlr_drm_syn
* Unreference a synchronization timeline.
*/
void wlr_drm_syncobj_timeline_unref(struct wlr_drm_syncobj_timeline *timeline);
/**
* Transfer a point from a timeline to another.
*
* Both timelines must have been created with the same DRM FD.
*/
bool wlr_drm_syncobj_timeline_transfer(struct wlr_drm_syncobj_timeline *dst,
uint64_t dst_point, struct wlr_drm_syncobj_timeline *src, uint64_t src_point);
/**
* Check if a timeline point has been signalled or has materialized.
*

13
render/drm_syncobj.c
View File

@ -67,6 +67,19 @@ void wlr_drm_syncobj_timeline_unref(struct wlr_drm_syncobj_timeline *timeline) {
free(timeline);
}
bool wlr_drm_syncobj_timeline_transfer(struct wlr_drm_syncobj_timeline *dst,
uint64_t dst_point, struct wlr_drm_syncobj_timeline *src, uint64_t src_point) {
assert(dst->drm_fd == src->drm_fd);
if (drmSyncobjTransfer(dst->drm_fd, dst->handle, dst_point,
src->handle, src_point, 0) != 0) {
wlr_log_errno(WLR_ERROR, "drmSyncobjTransfer failed");
return false;
}
return true;
}
int wlr_drm_syncobj_timeline_export_sync_file(struct wlr_drm_syncobj_timeline *timeline,
uint64_t src_point) {
int sync_file_fd = -1;