[Chore] (Submodule): Add GLM as submodule.

BZLZHH · BZLZHH · commit efa20aa4393a · 2025-07-31T15:28:11.000+08:00
diff --git a/.gitmodules b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "src/main/cpp/3rdparty/xxhash"]
 	path = src/main/cpp/3rdparty/xxhash
 	url = https://github.com/stbrumme/xxhash.git
+[submodule "src/main/cpp/3rdparty/glm"]
+	path = src/main/cpp/3rdparty/glm
+	url = https://github.com/g-truc/glm.git
diff --git a/src/main/cpp/3rdparty/glm b/src/main/cpp/3rdparty/glm
@@ -0,0 +1 @@
+Subproject commit 2d4c4b4dd31fde06cfffad7915c2b3006402322f
diff --git a/src/main/cpp/CMakeLists.txt b/src/main/cpp/CMakeLists.txt
@@ -61,6 +61,7 @@ add_library(${CMAKE_PROJECT_NAME} SHARED
 
 target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
         ./includes
+        ./3rdparty/glm
         ./3rdparty/xxhash)
 target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC ${CMAKE_SOURCE_DIR}/include)
 
