Add support for manually setting subpixel hinting on outputs.

Many laptop screens report unknown subpixel order. Allow users to manually set subpixel hinting to work around this.

Addresses https://github.com/swaywm/sway/issues/3163

1 files changed, 2 insertions, 0 deletions

diff --git a/sway/ipc-server.c b/sway/ipc-server.c
index df57cba5..e133a5bf 100644
--- a/sway/ipc-server.c
+++ b/sway/ipc-server.c
@@ -644,6 +644,8 @@ void ipc_client_handle_command(struct ipc_client *client) {
                         json_object_object_add(output_json, "focused",
                                 json_object_new_boolean(focused));
 
+                        const char *subpixel = sway_wl_output_subpixel_to_string(output->wlr_output->subpixel);
+                        json_object_object_add(output_json, "subpixel_hinting", json_object_new_string(subpixel));
                         json_object_array_add(outputs, output_json);
                 }
                 struct sway_output *output;