SDL_RenderViewportSet

Return whether an explicit rectangle was set as the viewport.

Header File

bool SDL_RenderViewportSet(SDL_Renderer *renderer);

renderer

the rendering context.

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

This is useful if you're saving and restoring the viewport and want to know whether you should restore a specific rectangle or NULL.

Each render target has its own viewport. This function checks the viewport for the current render target.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.