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.
the window to query.
the pixel density or 0.0f on failure; call SDL_GetError() for more information.
Threadsafety: This function should only be called on the main thread.
SDL_GetWindowDisplayScale
See Implementation
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.