NAME¶

SDL_RenderViewportSet - Return whether an explicit rectangle was set as the viewport.

HEADER FILE¶

Defined in SDL3/SDL_render.h

SYNOPSIS¶

#include "SDL3/SDL.h"

bool SDL_RenderViewportSet(SDL_Renderer *renderer);

DESCRIPTION¶

This is useful if you're saving and restoring the viewport and want to know whether you should restore a specific rectangle or NULL. Note that the viewport is always reset when changing rendering targets.

FUNCTION PARAMETERS¶

renderer

the rendering context.

RETURN VALUE¶

Returns true if the viewport was set to a specific rectangle, or false if it was set to NULL (the entire target).

THREAD SAFETY¶

You may only call this function from the main thread.

AVAILABILITY¶

This function is available since SDL 3.1.3.

SEE ALSO¶

•(3), SDL_GetRenderViewport(3), •(3), SDL_SetRenderViewport(3)