(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_RenderViewportSet

Return whether an explicit rectangle was set as the viewport.

Header File

Syntax

SDL_bool SDL_RenderViewportSet(SDL_Renderer *renderer);

Function Parameters

SDL_Renderer *

renderer

the rendering context.

Return Value

(SDL_bool) Returns SDL_TRUE if the viewport was set to a specific rectangle, or SDL_FALSE if it was set to NULL (the entire target).

Remarks

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.

Version

This function is available since SDL 3.0.0.