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render/timeline: add wlr_render_timeline_import

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This commit is contained in:
Simon Ser 2021-10-21 15:02:09 +02:00
parent f80f89b560
commit 7ae10e078a
2 changed files with 22 additions and 0 deletions
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5
include/wlr/render/timeline.h
View file

@ -30,6 +30,11 @@ struct wlr_render_timeline;
* Create a new synchronization timeline. * Create a new synchronization timeline.
*/ */
struct wlr_render_timeline *wlr_render_timeline_create(int drm_fd); struct wlr_render_timeline *wlr_render_timeline_create(int drm_fd);
/**
* Import a timeline from a drm_syncobj FD.
*/
struct wlr_render_timeline *wlr_render_timeline_import(int drm_fd,
int drm_syncobj_fd);
/** /**
* Destroy a synchronization timeline. * Destroy a synchronization timeline.
*/ */

17
render/timeline.c
View file

@ -26,6 +26,23 @@ struct wlr_render_timeline *wlr_render_timeline_create(int drm_fd) {
return timeline; return timeline;
} }
struct wlr_render_timeline *wlr_render_timeline_import(int drm_fd,
int drm_syncobj_fd) {
struct wlr_render_timeline *timeline = calloc(1, sizeof(*timeline));
if (timeline == NULL) {
return NULL;
}
timeline->drm_fd = drm_fd;
if (drmSyncobjFDToHandle(drm_fd, drm_syncobj_fd, &timeline->handle) != 0) {
wlr_log_errno(WLR_ERROR, "drmSyncobjFDToHandle failed");
free(timeline);
return NULL;
}
return timeline;
}
void wlr_render_timeline_destroy(struct wlr_render_timeline *timeline) { void wlr_render_timeline_destroy(struct wlr_render_timeline *timeline) {
drmSyncobjDestroy(timeline->drm_fd, timeline->handle); drmSyncobjDestroy(timeline->drm_fd, timeline->handle);
free(timeline); free(timeline);