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backend/drm: add libliftoff composition layer

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This will be useful for implementing the output layers API.
This commit is contained in:
Simon Ser 2022-08-18 19:27:42 +02:00
parent 9d43e7e4d6
commit 2398621b8b
2 changed files with 17 additions and 9 deletions
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25
backend/drm/libliftoff.c
View File

@ -45,6 +45,14 @@ static bool init(struct wlr_drm_backend *drm) {
return false;
}
crtc->liftoff_composition_layer = liftoff_layer_create(crtc->liftoff);
if (!crtc->liftoff_composition_layer) {
wlr_log(WLR_ERROR, "Failed to create liftoff composition layer");
return false;
}
liftoff_output_set_composition_layer(crtc->liftoff,
crtc->liftoff_composition_layer);
if (crtc->primary) {
crtc->primary->liftoff_layer = liftoff_layer_create(crtc->liftoff);
if (!crtc->primary->liftoff_layer) {
@ -96,6 +104,7 @@ static void finish(struct wlr_drm_backend *drm) {
liftoff_layer_destroy(crtc->cursor->liftoff_layer);
}
liftoff_layer_destroy(crtc->liftoff_composition_layer);
liftoff_output_destroy(crtc->liftoff);
}
@ -133,7 +142,7 @@ static void rollback_blob(struct wlr_drm_backend *drm,
}
static bool set_plane_props(struct wlr_drm_plane *plane,
int32_t x, int32_t y, uint64_t zpos) {
struct liftoff_layer *layer, int32_t x, int32_t y, uint64_t zpos) {
struct wlr_drm_fb *fb = plane_get_next_fb(plane);
if (fb == NULL) {
wlr_log(WLR_ERROR, "Failed to acquire FB");
@ -144,7 +153,6 @@ static bool set_plane_props(struct wlr_drm_plane *plane,
uint32_t height = fb->wlr_buf->height;
// The SRC_* properties are in 16.16 fixed point
struct liftoff_layer *layer = plane->liftoff_layer;
return liftoff_layer_set_property(layer, "zpos", zpos) == 0 &&
liftoff_layer_set_property(layer, "SRC_X", 0) == 0 &&
liftoff_layer_set_property(layer, "SRC_Y", 0) == 0 &&
@ -263,12 +271,16 @@ static bool crtc_commit(struct wlr_drm_connector *conn,
if (crtc->props.vrr_enabled != 0) {
ok = ok && add_prop(req, crtc->id, crtc->props.vrr_enabled, vrr_enabled);
}
ok = ok && set_plane_props(crtc->primary, 0, 0, 0);
ok = ok &&
set_plane_props(crtc->primary, crtc->primary->liftoff_layer, 0, 0, 0) &&
set_plane_props(crtc->primary, crtc->liftoff_composition_layer, 0, 0, 0);
liftoff_layer_set_property(crtc->primary->liftoff_layer,
"FB_DAMAGE_CLIPS", fb_damage_clips);
liftoff_layer_set_property(crtc->liftoff_composition_layer,
"FB_DAMAGE_CLIPS", fb_damage_clips);
if (crtc->cursor) {
if (drm_connector_is_cursor_visible(conn)) {
ok = ok && set_plane_props(crtc->cursor,
ok = ok && set_plane_props(crtc->cursor, crtc->cursor->liftoff_layer,
conn->cursor_x, conn->cursor_y, 1);
} else {
ok = ok && disable_plane(crtc->cursor);
@ -293,11 +305,6 @@ static bool crtc_commit(struct wlr_drm_connector *conn,
goto out;
}
if (liftoff_layer_needs_composition(crtc->primary->liftoff_layer)) {
wlr_drm_conn_log(conn, WLR_DEBUG, "Failed to scan-out primary plane");
ok = false;
goto out;
}
if (crtc->cursor &&
liftoff_layer_needs_composition(crtc->cursor->liftoff_layer)) {
wlr_drm_conn_log(conn, WLR_DEBUG, "Failed to scan-out cursor plane");

1
include/backend/drm/drm.h
View File

@ -40,6 +40,7 @@ struct wlr_drm_crtc {
uint32_t id;
struct wlr_drm_lease *lease;
struct liftoff_output *liftoff;
struct liftoff_layer *liftoff_composition_layer;
// Atomic modesetting only
uint32_t mode_id;