diff --git a/.gitmodules b/.gitmodules
index 3d0aed5..23b08b4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "vendor/yaml-cpp"]
 	path = vendor/yaml-cpp
 	url = git://github.com/jbeder/yaml-cpp.git
+[submodule "vendor/cgl"]
+	path = vendor/cgl
+	url = git://github.com/allemangD/cgl.git
diff --git a/vendor/cgl b/vendor/cgl
new file mode 160000
index 0000000..a879278
--- /dev/null
+++ b/vendor/cgl
@@ -0,0 +1 @@
+Subproject commit a879278dd02c63746331fa6b31888fb4f8910bfe