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backend/drm: add explicit sync support to libliftoff interface

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This commit is contained in:
Simon Ser 2024-08-06 19:55:37 +02:00
parent d7223eae02
commit 0d6284eb62
2 changed files with 12 additions and 2 deletions
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3
backend/drm/drm.c
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@ -1646,8 +1646,7 @@ static bool connect_drm_connector(struct wlr_drm_connector *wlr_conn,
output->non_desktop = non_desktop;
}
// TODO: support sync timelines with libliftoff
output->timeline = drm->iface == &atomic_iface;
output->timeline = drm->iface != &legacy_iface;
if (drm->parent) {
output->timeline = output->timeline && drm->mgpu_renderer.wlr_rend->features.timeline;
}

11
backend/drm/libliftoff.c
View file

@ -339,6 +339,17 @@ static bool add_connector(drmModeAtomicReq *req,
liftoff_layer_set_property(crtc->liftoff_composition_layer,
"FB_DAMAGE_CLIPS", state->fb_damage_clips);
if (state->primary_in_fence_fd >= 0) {
liftoff_layer_set_property(crtc->primary->liftoff_layer,
"IN_FENCE_FD", state->primary_in_fence_fd);
liftoff_layer_set_property(crtc->liftoff_composition_layer,
"IN_FENCE_FD", state->primary_in_fence_fd);
}
if (state->base->committed & WLR_OUTPUT_STATE_SIGNAL_TIMELINE) {
ok = ok && add_prop(req, crtc->id, crtc->props.out_fence_ptr,
(uintptr_t)&state->out_fence_fd);
}
if (state->base->committed & WLR_OUTPUT_STATE_LAYERS) {
for (size_t i = 0; i < state->base->layers_len; i++) {
const struct wlr_output_layer_state *layer_state = &state->base->layers[i];