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| author | Po Lu <luangruo@yahoo.com> | 2022-08-04 15:37:54 +0800 |
|---|---|---|
| committer | Po Lu <luangruo@yahoo.com> | 2022-08-04 15:38:23 +0800 |
| commit | 78129dcf53ab2b1ce49eab28dba89dea9f687284 (patch) | |
| tree | 78e86ecfacea3de899bd0958225f2c4c097cda84 /src/xterm.h | |
| parent | 3e60f7f3c31a8491b085684121e5229be56b3538 (diff) | |
| download | emacs-78129dcf53ab2b1ce49eab28dba89dea9f687284.tar.gz | |
Correctly implement refresh synchronization fences
* configure.ac (HAVE_XSYNC): Also check for XSyncTriggerFence.
* src/xfns.c (Fx_create_frame): Create fences.
* src/xterm.c (x_atom_refs): New atom.
(x_sync_trigger_fence, x_sync_init_fences, x_sync_free_fences):
New functions.
(x_sync_update_finish): Trigger the appropriate fence.
(x_free_frame_resources): Free fences.
* src/xterm.h (struct x_display_info): New atom
`_NET_WM_SYNC_FENCES'.
(struct x_output): New field `sync_fences'.
Diffstat (limited to 'src/xterm.h')
| -rw-r--r-- | src/xterm.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/xterm.h b/src/xterm.h index fb099e92ea0..c1a944d3cd6 100644 --- a/src/xterm.h +++ b/src/xterm.h @@ -614,9 +614,9 @@ struct x_display_info Xatom_net_wm_state_shaded, Xatom_net_frame_extents, Xatom_net_current_desktop, Xatom_net_workarea, Xatom_net_wm_opaque_region, Xatom_net_wm_ping, Xatom_net_wm_sync_request, Xatom_net_wm_sync_request_counter, - Xatom_net_wm_frame_drawn, Xatom_net_wm_frame_timings, Xatom_net_wm_user_time, - Xatom_net_wm_user_time_window, Xatom_net_client_list_stacking, - Xatom_net_wm_pid; + Xatom_net_wm_sync_fences, Xatom_net_wm_frame_drawn, Xatom_net_wm_frame_timings, + Xatom_net_wm_user_time, Xatom_net_wm_user_time_window, + Xatom_net_client_list_stacking, Xatom_net_wm_pid; /* XSettings atoms and windows. */ Atom Xatom_xsettings_sel, Xatom_xsettings_prop, Xatom_xsettings_mgr; @@ -1077,6 +1077,13 @@ struct x_output /* A temporary time used to calculate that value. */ uint64_t temp_frame_time; + +#ifdef HAVE_XSYNCTRIGGERFENCE + /* An array of two sync fences that are triggered in order after a + frame completes. Not initialized if the XSync extension is too + old to support sync fences. */ + XSyncFence sync_fences[2]; +#endif #endif #endif @@ -1516,6 +1523,9 @@ extern void x_make_frame_invisible (struct frame *); extern void x_iconify_frame (struct frame *); extern void x_free_frame_resources (struct frame *); extern void x_wm_set_size_hint (struct frame *, long, bool); +#if defined HAVE_XSYNCTRIGGERFENCE && !defined USE_GTK +extern void x_sync_init_fences (struct frame *); +#endif extern void x_delete_terminal (struct terminal *); extern Cursor x_create_font_cursor (struct x_display_info *, int); |