SDL_SetSurfaceClipRect - Man Page

#include <SDL3/SDL_surface.h>

bool SDL_SetSurfaceClipRect(SDL_Surface *surface, const SDL_Rect *rect);

When surface is the destination of a blit, only the area within the clip rectangle is drawn into.

Note that blits are automatically clipped to the edges of the source and destination surfaces.

surface

the SDL_Surface structure to be clipped.

rect

the SDL_Rect structure representing the clipping rectangle, or NULL to disable clipping.

Returns true if the rectangle intersects the surface, otherwise false and blits will be completely clipped.

This function is not thread safe.

This function is available since SDL 3.2.0.

SDL_GetSurfaceClipRect(3)

SDL_GetSurfaceClipRect(3).