diff --git a/.gitmodules b/.gitmodules
index 0acd81d3..26a07f16 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "third_party/softfloat"]
 	path = third_party/softfloat
 	url = https://github.com/ucb-bar/berkeley-softfloat-3.git
+[submodule "third_party/cocogfx"]
+	path = third_party/cocogfx
+	url = https://github.com/gtcasl/cocogfx.git
diff --git a/third_party/cocogfx b/third_party/cocogfx
new file mode 160000
index 00000000..04b10969
--- /dev/null
+++ b/third_party/cocogfx
@@ -0,0 +1 @@
+Subproject commit 04b109692cf6d0128f5ae89cbb4a7d77bfbc9f6a