# SDL_HINT_RENDER_METAL_PREFER_LOW_POWER_DEVICE A variable controlling whether the Metal render driver select low power device over default one. ## Header File Defined in [<SDL3/SDL_hints.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_hints.h) ## Syntax ```c #define SDL_HINT_RENDER_METAL_PREFER_LOW_POWER_DEVICE "SDL_RENDER_METAL_PREFER_LOW_POWER_DEVICE" ``` ## Remarks The variable can be set to the following values: - "0": Use the preferred OS device. (default) - "1": Select a low power device. This hint should be set before creating a renderer. ## Version This hint is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryHints](CategoryHints)