update tinygltf to v2.1.0 - Adds Draco mesh compression support

Author: Ybalrid

CMakeLists.txt

@@ -6,6 +6,7 @@ project(Ogre_glTF)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_INSTALL_PREFIX "./output")
+set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG=1 -D_DEBUG=1") 
 
 if(NOT CMAKE_DEBUG_POSTFIX)
   set(CMAKE_DEBUG_POSTFIX "_d")
@@ -119,4 +120,4 @@ install(FILES
 ./include/Ogre_glTF_OgreResource.hpp
 ./include/Ogre_glTF_DLL.hpp
 DESTINATION
-"include")
+"include")