devela::_dep::sdl3::sys::video

Function SDL_GetWindowPixelDensity

pub unsafe extern "C" fn SDL_GetWindowPixelDensity(
    window: *mut SDL_Window,
) -> f32
Available on crate feature dep_sdl3 only.
Expand description

Get the pixel density of a window.

This is a ratio of pixel size to window size. For example, if the window is 1920x1080 and it has a high density back buffer of 3840x2160 pixels, it would have a pixel density of 2.0.

§Parameters

  • window: the window to query.

§Return value

Returns the pixel density or 0.0f on failure; call SDL_GetError() for more information.

§Thread safety

This function should only be called on the main thread.

§Availability

This function is available since SDL 3.2.0.

§See also