Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_GetRenderLogicalPresentation - Get device independent resolution and presentation mode for rendering.
HEADER FILE
Defined in SDL3/SDL_render.h
SYNOPSIS
#include "SDL3/SDL.h" bool SDL_GetRenderLogicalPresentation(SDL_Renderer *renderer, int *w, int *h, SDL_RendererLogicalPresentation *mode);
DESCRIPTION
This function gets the width and height of the logical rendering output, or the output size in pixels if a logical resolution is not enabled. Each render target has its own logical presentation state. This function gets the state for the current render target.
FUNCTION PARAMETERS
renderer the rendering context. w an int to be filled with the width. h an int to be filled with the height. mode the presentation mode used.
RETURN VALUE
Returns true on success or false 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
•(3), SDL_SetRenderLogicalPresentation(3) Simple Directmedia Layer SDL 3.2.8 SDL_GetRenderLogicalPresentation(3)