DOKK / manpages / debian 13 / libsdl3-doc / SDL_GetRenderOutputSize.3.en
SDL_GetRenderOutputSize(3) SDL3 FUNCTIONS SDL_GetRenderOutputSize(3)

SDL_GetRenderOutputSize - Get the output size in pixels of a rendering context.

Defined in SDL3/SDL_render.h

#include "SDL3/SDL.h"
bool SDL_GetRenderOutputSize(SDL_Renderer *renderer, int *w, int *h);

This returns the true output size in pixels, ignoring any render targets or logical size and presentation.

For the output size of the current rendering target, with logical size adjustments, use

SDL_GetCurrentRenderOutputSize () instead.

the rendering context.
a pointer filled in with the width in pixels.
a pointer filled in with the height in pixels.

Returns true on success or false on failure; call

SDL_GetError () for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

(3), SDL_GetCurrentRenderOutputSize(3)

SDL 3.2.10 Simple Directmedia Layer