diff --git a/.gitmodules b/.gitmodules
index 109fce0..05d7c3f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "TextureCache"]
 	path = TextureCache
 	url = ../util/TextureCache.git
+[submodule "glslUtil"]
+	path = glslUtil
+	url = ../util/glslUtil.git
diff --git a/SConstruct b/SConstruct
index 5df5592..6fdd701 100644
--- a/SConstruct
+++ b/SConstruct
@@ -44,6 +44,7 @@ sources = [
         'PhyObj/PhyObj.cc',
         'TextureCache/TextureCache.cc',
         'wfobj/WFObj.cc',
+        'glslUtil/glslUtil.c',
         ]
 
 def CFS(target, source, env):
diff --git a/glslUtil b/glslUtil
new file mode 160000
index 0000000..060f311
--- /dev/null
+++ b/glslUtil
@@ -0,0 +1 @@
+Subproject commit 060f3115bf0f1f659dd44ef3738c12327ec2ef43