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-rw-r--r--c_src/sdl_window.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/c_src/sdl_window.c b/c_src/sdl_window.c
index 1c4f5a7..5f31627 100644
--- a/c_src/sdl_window.c
+++ b/c_src/sdl_window.c
@@ -23,6 +23,10 @@ void dtor_Window(ErlNifEnv* env, void* obj)
esdl2_windows_remove(window);
}
+#if !SDL_VERSION_ATLEAST(2, 0, 6)
+#define SDL_WINDOW_VULKAN 0x10000000
+#endif
+
#define WINDOW_FLAGS(F) \
F(fullscreen, SDL_WINDOW_FULLSCREEN) \
F(opengl, SDL_WINDOW_OPENGL) \