###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_GetRenderOutputSize Get the output size in pixels of a rendering context. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_render.h) ## Syntax ```c bool SDL_GetRenderOutputSize(SDL_Renderer *renderer, int *w, int *h); ``` ## Function Parameters | | | | | ------------------------------ | ------------ | ---------------------------------------------- | | [SDL_Renderer](SDL_Renderer) * | **renderer** | the rendering context. | | int * | **w** | a pointer filled in with the width in pixels. | | int * | **h** | a pointer filled in with the height in pixels. | ## Return Value (bool) Returns true on success or false on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Remarks This returns the true output size in pixels, ignoring any render targets or logical size and presentation. ## Thread Safety You may only call this function from the main thread. ## Version This function is available since SDL 3.0.0. ## See Also - [SDL_GetCurrentRenderOutputSize](SDL_GetCurrentRenderOutputSize) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)