Function SDL_ISPIXELFORMAT_FOURCC

pub const fn SDL_ISPIXELFORMAT_FOURCC(format: SDL_PixelFormat) -> bool

Available on crate feature dep_sdl3 only.

A macro to determine if an SDL_PixelFormat is a “FourCC” format.

This covers custom and other unusual formats.

Note that this macro double-evaluates its parameter, so do not use expressions with side-effects here.

Parameters

• format: an SDL_PixelFormat to check.

Return value

Returns true if the format has alpha, false otherwise.

Thread safety

It is safe to call this macro from any thread.

Availability

This macro is available since SDL 3.2.0.