# SDL_ISPIXELFORMAT_10BIT A macro to determine if an [SDL_PixelFormat](SDL_PixelFormat) is a 10-bit format. ## Header File Defined in [<SDL3/SDL_pixels.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_pixels.h) ## Syntax ```c #define SDL_ISPIXELFORMAT_10BIT(format) \ (!SDL_ISPIXELFORMAT_FOURCC(format) && \ ((SDL_PIXELTYPE(format) == SDL_PIXELTYPE_PACKED32) && \ (SDL_PIXELLAYOUT(format) == SDL_PACKEDLAYOUT_2101010))) ``` ## Macro Parameters | | | | ---------- | ----------------------------------------------- | | **format** | an [SDL_PixelFormat](SDL_PixelFormat) to check. | ## Return Value Returns true if the format is 10-bit, false otherwise. ## Remarks Note that this macro double-evaluates its parameter, so do not use expressions with side-effects here. ## Thread Safety It is safe to call this macro from any thread. ## Version This macro is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryPixels](CategoryPixels)