From c2832a63547e6328afde25bb3b8145267eadef47 Mon Sep 17 00:00:00 2001 From: Berke Güzel Date: Thu, 15 Oct 2026 20:38:14 +0300 Subject: Make the loop public and let the display drive it An application that has its own descriptors and timers needed a second loop next to yasl's, and could not see yasl's key-repeat timer, clipboard pipes or reconnect timer. Now there is one wait: the application owns a yasl_loop, and yasl_init can run the display on it. - Public yasl_loop_*: descriptors, timers and signals. Descriptor callbacks return void. Timer IDs are 64 bits and never reused; a zero delay runs in the next step. A nested step or run fails with EBUSY, a step off the loop's thread with EPERM, and a quit made before a run ends it at once. An interrupted wait keeps its deadline. Creating a loop fails when it cannot make its wake pipe. - The display drives the loop through prepare, wait and check hooks instead of wrapping its step. Wayland finishes its read before any callback runs, so loop callbacks may create surfaces and do roundtrips. Readiness (queued events, an owed REFRESH) is derived in the step, so the wait never blocks over pending work. A draw that cannot proceed for want of a buffer is no longer counted as work. - yasl_init takes struct yasl_options. With loop and on_event, each step delivers events to on_event and yasl_wait_event fails with EBUSY. EALREADY only for the same options, EBUSY for others. - yasl_surface_request_frame: a REFRESH once the window can show a new frame, for pacing animation. - DISPLAY_LOST reports whether the display reconnects. Pull waits still fail with ENOTCONN after a final loss. - Events pushed from another thread wake the loop. Co-Authored-By: Claude Opus 5.5 --- src/platform/wayland/internal.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/platform/wayland/internal.h') diff --git a/src/platform/wayland/internal.h b/src/platform/wayland/internal.h index d5b7de1..a580e71 100644 --- a/src/platform/wayland/internal.h +++ b/src/platform/wayland/internal.h @@ -249,7 +249,7 @@ struct wayland_display { struct wp_fifo_manager_v1 *fifo_mgr; struct wp_commit_timing_manager_v1 *commit_timing_mgr; struct xkb_context *xkb_ctx; - struct yasl_private_loop *loop; + struct yasl_loop *loop; char *app_id; struct xdg_toplevel_drag_manager_v1 *toplevel_drag_mgr; struct conn_drag drag; @@ -405,6 +405,8 @@ void conn_destroy_outputs(struct wayland_display *c); void surface_follow_outputs(struct wayland_surface *w); uint64_t conn_pres_to_mono(const struct wayland_display *c, uint64_t ns); uint64_t conn_mono_to_pres(const struct wayland_display *c, uint64_t ns); +/* True when surface_draw_frame would draw now. */ +bool surface_draw_ready(const struct wayland_surface *w); void surface_draw_frame(struct wayland_surface *w); void wayland_surface_arm_frame(struct wayland_surface *w); void surface_fail(struct wayland_surface *w); -- cgit v1.2.3