diff --git a/.gitmodules b/.gitmodules
index 06e2d0b..31079c7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -21,4 +21,7 @@
 	url = https://github.com/shader-slang/slang.git
 [submodule "external/boost"]
 	path = external/boost
-	url = https://github.com/boostorg/boost
\ No newline at end of file
+	url = https://github.com/boostorg/boost
+[submodule "external/ktx"]
+	path = external/ktx
+	url = https://github.com/KhronosGroup/KTX-Software
diff --git a/external/ktx b/external/ktx
new file mode 160000
index 0000000..b8d462b
--- /dev/null
+++ b/external/ktx
@@ -0,0 +1 @@
+Subproject commit b8d462b01cf3d4fdaf6e08ce4042575e25b04260