diff options
Diffstat (limited to 'include/yasl')
| -rw-r--r-- | include/yasl/yasl.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/yasl/yasl.h b/include/yasl/yasl.h index dab1091..6139bc3 100644 --- a/include/yasl/yasl.h +++ b/include/yasl/yasl.h @@ -114,9 +114,11 @@ YASL_API int yasl_surface_set_title(yasl_surface *surface, const char *title); enum yasl_request { YASL_REQUEST_RESTORE, YASL_REQUEST_FULLSCREEN, YASL_REQUEST_MAXIMIZE, YASL_REQUEST_MINIMIZE }; YASL_API int yasl_surface_request(yasl_surface *surface, enum yasl_request request); YASL_API int yasl_surface_request_size(yasl_surface *surface, int width, int height); -/** Asks for a REFRESH when the window can show a new frame: at once when none - * is in flight, otherwise once the system shows the current one. Requests - * coalesce. Use it to pace animation; draw at once for input. */ +/** Asks for a REFRESH after the next frame is shown. A frame presented after + * the request, in the same callback, is that frame, so an animation can ask + * before it draws. With no frame in flight, the REFRESH comes one refresh + * interval after the last present or REFRESH. Requests coalesce. Use it to + * pace animation; draw at once for input. */ YASL_API int yasl_surface_request_frame(yasl_surface *surface); enum yasl_cursor { @@ -306,9 +308,9 @@ YASL_API yasl_loop *yasl_loop_create(void); /** EBUSY while a step runs or the display runs on it. Leaves descriptors open. */ YASL_API int yasl_loop_destroy(yasl_loop *loop); /** Waits at most timeout_ms (0 polls, -1 waits) and runs what is ready: - * display events, then descriptors, then due timers. Returns how many - * descriptor and timer callbacks ran. EBUSY inside a step; EPERM off the - * loop's thread. */ + * display events, then descriptors, then due timers, then signals. Returns + * how many descriptor and timer callbacks ran. EBUSY inside a step; EPERM off + * the loop's thread. */ YASL_API int yasl_loop_step(yasl_loop *loop, int timeout_ms); /** Steps until yasl_loop_quit. A quit made before the run ends it at once. */ YASL_API int yasl_loop_run(yasl_loop *loop); |