Add SPIRV-Tools submodule
diff --git a/.gitmodules b/.gitmodules
index ad0ba3a..0aaa2ac 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -42,3 +42,6 @@
[submodule "third_party/glslang"]
path = third_party/glslang
url = https://github.com/KhronosGroup/glslang.git
+[submodule "third_party/spirv_tools"]
+ path = third_party/spirv_tools
+ url = https://github.com/KhronosGroup/SPIRV-Tools.git
diff --git a/third_party/spirv_tools b/third_party/spirv_tools
new file mode 160000
index 0000000..feb1549
--- /dev/null
+++ b/third_party/spirv_tools
@@ -0,0 +1 @@
+Subproject commit feb154921397dc8c43c130a6b5c123efdb432a9b
