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Make frame synchronization conditional on clock_gettime

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* src/xfns.c (x_set_parent_frame)
(x_set_use_frame_synchronization):
* src/xterm.c (x_update_begin, show_back_buffer, x_update_end)
(x_display_set_last_user_time, handle_one_xevent):
* src/xterm.h (struct x_output): Define out vsync code when
!HAVE_CLOCK_GETTIME.
This commit is contained in:
Po Lu 2022-08-23 20:42:28 +08:00
parent b448fbec4b
commit 3b7fb723e6
3 changed files with 10 additions and 10 deletions
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4
src/xfns.c
View file

@ -965,7 +965,7 @@ x_set_parent_frame (struct frame *f, Lisp_Object new_value, Lisp_Object old_valu
}
#endif
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* Frame synchronization can't be used in child frames since
they are not directly managed by the compositing manager.
Re-enabling vsync in former child frames also leads to
@ -2421,7 +2421,7 @@ static void
x_set_use_frame_synchronization (struct frame *f, Lisp_Object arg,
Lisp_Object oldval)
{
#if !defined USE_GTK && defined HAVE_XSYNC
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
struct x_display_info *dpyinfo;
dpyinfo = FRAME_DISPLAY_INFO (f);

14
src/xterm.c
View file

@ -6655,7 +6655,7 @@ x_set_frame_alpha (struct frame *f)
Starting and ending an update
***********************************************************************/
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* Wait for an event matching PREDICATE to show up in the event
queue, or TIMEOUT to elapse.
@ -7029,7 +7029,7 @@ x_sync_handle_frame_drawn (struct x_display_info *dpyinfo,
static void
x_update_begin (struct frame *f)
{
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* If F is double-buffered, we can make the entire frame center
around XdbeSwapBuffers. */
#ifdef HAVE_XDBE
@ -7138,7 +7138,7 @@ show_back_buffer (struct frame *f)
if (FRAME_X_DOUBLE_BUFFERED_P (f))
{
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* Wait for drawing of the previous frame to complete before
displaying this new frame. */
x_sync_wait_for_frame_drawn_event (f);
@ -7157,7 +7157,7 @@ show_back_buffer (struct frame *f)
swap_info.swap_action = XdbeCopied;
XdbeSwapBuffers (FRAME_X_DISPLAY (f), &swap_info, 1);
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* Finish the frame here. */
x_sync_update_finish (f);
#endif
@ -7211,7 +7211,7 @@ x_update_end (struct frame *f)
/* If double buffering is disabled, finish the update here.
Otherwise, finish the update when the back buffer is next
displayed. */
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
#ifdef HAVE_XDBE
if (!FRAME_X_DOUBLE_BUFFERED_P (f))
#endif
@ -7615,7 +7615,7 @@ x_display_set_last_user_time (struct x_display_info *dpyinfo, Time time,
if (!send_event || time > dpyinfo->last_user_time)
dpyinfo->last_user_time = time;
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
if (!send_event)
{
/* See if the current CLOCK_MONOTONIC time is reasonably close
@ -17995,7 +17995,7 @@ handle_one_xevent (struct x_display_info *dpyinfo,
goto done;
}
#if defined HAVE_XSYNC && !defined USE_GTK
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* These messages are sent by the compositing manager after a
frame is drawn under extended synchronization. */
if (event->xclient.message_type

2
src/xterm.h
View file

@ -1119,7 +1119,7 @@ struct x_output
frame. */
bool_bf waiting_for_frame_p : 1;
#ifndef USE_GTK
#if !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* Whether or not Emacs should wait for the compositing manager to
draw frames before starting a new frame. */
bool_bf use_vsync_p : 1;