SDL_HINT_VIDEO_OFFSCREEN_SAVE_FRAMES - Man Page

#include <SDL3/SDL_hints.h>

#define SDL_HINT_VIDEO_OFFSCREEN_SAVE_FRAMES "SDL_VIDEO_OFFSCREEN_SAVE_FRAMES"

This only saves frames that are generated using software rendering, not accelerated OpenGL rendering.

· "0": Video frames are not saved to disk. (default)

· "1": Video frames are saved to files in the format "SDL_windowX-Y.bmp", where X is the window ID, and Y is the frame number.

This hint can be set anytime.

This hint is available since SDL 3.2.0.