output-layer: cache current state

The will be used by the Wayland backend to figure out whether
updating sub-surface position is necessary.
This commit is contained in:
Simon Ser 2023-02-21 09:12:49 +01:00 committed by Isaac Freund
parent 59d2743c0c
commit e00c4cd7dc
2 changed files with 12 additions and 2 deletions

View File

@ -48,6 +48,10 @@ struct wlr_output_layer {
} events;
void *data;
// private state
int x, y;
};
/**

View File

@ -842,11 +842,17 @@ bool wlr_output_commit_state(struct wlr_output *output,
}
if (pending.committed & WLR_OUTPUT_STATE_LAYERS) {
// Commit layer ordering
for (size_t i = 0; i < pending.layers_len; i++) {
struct wlr_output_layer *layer = pending.layers[i].layer;
struct wlr_output_layer_state *layer_state = &pending.layers[i];
struct wlr_output_layer *layer = layer_state->layer;
// Commit layer ordering
wl_list_remove(&layer->link);
wl_list_insert(output->layers.prev, &layer->link);
// Commit layer state
layer->x = layer_state->x;
layer->y = layer_state->y;
}
}