diff --git a/src/common.h b/src/common.h
new file mode 100644
index 0000000000000000000000000000000000000000..922523a81d9ff1adff9da275f7485d2ef6e9e012
--- /dev/null
+++ b/src/common.h
@@ -0,0 +1,4 @@
+struct pixel {
+	int x, y;
+	uint8_t bright;
+};