diff --git a/.gitmodules b/.gitmodules
index f275c17e..b83c1aeb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,9 @@
 [submodule "mainui"]
 	path = mainui
 	url = https://github.com/FWGS/mainui_cpp
+[submodule "ref_gl/nanogl"]
+	path = ref_gl/nanogl
+	url = https://github.com/FWGS/nanogl
+[submodule "ref_gl/gl-wes-v2"]
+	path = ref_gl/gl-wes-v2
+	url = https://github.com/FWGS/gl-wes-v2
diff --git a/ref_gl/gl-wes-v2 b/ref_gl/gl-wes-v2
new file mode 160000
index 00000000..873a73ad
--- /dev/null
+++ b/ref_gl/gl-wes-v2
@@ -0,0 +1 @@
+Subproject commit 873a73adc4742595b0411a5d673ac81444f2965d
diff --git a/ref_gl/nanogl b/ref_gl/nanogl
new file mode 160000
index 00000000..7fb66373
--- /dev/null
+++ b/ref_gl/nanogl
@@ -0,0 +1 @@
+Subproject commit 7fb663730924f9140956158b57a358334b6f428d