###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.) # SDL_Has3DNow Determine whether the CPU has 3DNow! features. ## Header File Defined in [SDL_cpuinfo.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_cpuinfo.h) ## Syntax ```c SDL_bool SDL_Has3DNow(void); ``` ## Return Value ([SDL_bool](SDL_bool)) Returns [SDL_TRUE](SDL_TRUE) if the CPU has 3DNow! features or [SDL_FALSE](SDL_FALSE) if not. ## Remarks This always returns false on CPUs that aren't using AMD instruction sets. ## Version This function is available since SDL 2.0.0. ## See Also - [SDL_HasAltiVec](SDL_HasAltiVec) - [SDL_HasAVX](SDL_HasAVX) - [SDL_HasAVX2](SDL_HasAVX2) - [SDL_HasMMX](SDL_HasMMX) - [SDL_HasRDTSC](SDL_HasRDTSC) - [SDL_HasSSE](SDL_HasSSE) - [SDL_HasSSE2](SDL_HasSSE2) - [SDL_HasSSE3](SDL_HasSSE3) - [SDL_HasSSE41](SDL_HasSSE41) - [SDL_HasSSE42](SDL_HasSSE42) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryCPUInfo](CategoryCPUInfo)