output: Add transform

include/output.h

@@ -16,6 +16,7 @@
 
 #pragma once
 
+#include <wayland-client-protocol.h>
 #include <wayland-client.h>
 #include <stdint.h>
 
@@ -34,6 +35,8 @@ struct output {
 	uint32_t x;
 	uint32_t y;
 
+	enum wl_output_transform transform;
+
 	char make[256];
 	char model[256];
 	char name[256];

src/output.c

@@ -37,6 +37,8 @@ static void output_handle_geometry(void* data, struct wl_output* wl_output,
 
 	output->x = x;
 	output->y = y;
+	output->transform = transform;
+
 	strlcpy(output->make, make, sizeof(output->make));
 	strlcpy(output->model, model, sizeof(output->model));
 }