A variable controlling whether the Direct3D device is initialized for thread-safe operations.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_RENDER_DIRECT3D_THREADSAFE "SDL_RENDER_DIRECT3D_THREADSAFE"
The variable can be set to the following values:
This hint should be set before creating a renderer.
This hint is available since SDL 3.0.0.