(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_GetDisplayContentScale

Get the content scale of a display.

Syntax

float SDL_GetDisplayContentScale(SDL_DisplayID displayID);

Function Parameters

displayID

the instance ID of the display to query

Return Value

Returns The content scale of the display, or 0.0f on error; call SDL_GetError() for more details.

Remarks

The content scale is the expected scale for content based on the DPI settings of the display. For example, a 4K display might have a 2.0 (200%) display scale, which means that the user expects UI elements to be twice as big on this display, to aid in readability.

Version

This function is available since SDL 3.0.0.

Related Functions

• SDL_GetDisplays

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