NAME¶

SDL_GetWindowPixelDensity - Get the pixel density of a window.

SYNOPSIS¶

#include <SDL3/SDL_video.h>

float SDL_GetWindowPixelDensity(SDL_Window *window);

DESCRIPTION¶

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.

FUNCTION 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¶

SDL_GetWindowDisplayScale(3)