Moved InitFromFile() from Geometry to MeshLoader, added MeshLoader function for USD files, added tinyusdz library

3rdParty/CMakeLists.txt

@@ -40,3 +40,4 @@ if(ENABLE_TEST)
     add_subdirectory(catch2)
 endif()
 
+add_subdirectory(tinyusdz)

3rdParty/tinyusdz/CMakeLists.txt

@@ -0,0 +1,22 @@
+include(Utils)
+include(FetchContent)
+
+message("-- Building TinyUSDZ")
+
+FetchContent_Declare(
+    tinyusdz
+    GIT_REPOSITORY https://github.com/syoyo/tinyusdz.git
+    GIT_TAG        v0.8.0rc8
+    GIT_SHALLOW    TRUE
+    CMAKE_ARGS
+        -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_BINARY_DIR}/INSTALL
+        -DCMAKE_BUILD_TYPE:STRING=Release
+        -DTINYUSDZ_BUILD_TESTS:BOOL=OFF
+        -DTINYUSDZ_BUILD_EXAMPLES:BOOL=OFF
+)
+FetchContent_MakeAvailable(tinyusdz)
+
+function (LinkTinyUSDZ TARGET)
+    target_include_directories(${TARGET} PRIVATE ${tinyusdz_SOURCE_DIR}/src)
+    target_link_libraries(${TARGET} PRIVATE tinyusdz_static)
+endfunction ()