###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_HasMMX Determine whether the CPU has MMX features. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_cpuinfo.h) ## Syntax ```c bool SDL_HasMMX(void); ``` ## Return Value (bool) Returns true if the CPU has MMX features or false if not. ## Remarks This always returns false on CPUs that aren't using Intel instruction sets. ## Version This function is available since SDL 3.0.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryCPUInfo](CategoryCPUInfo)