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commit cc1650ca5411974fe98268d526b57432478abdf7
Author: Olivier Fourdan <four...@xfce.org>
Date: Tue May 14 20:55:14 2019 +0200
display: Make sure we have fence support
Fences support was added in XSync 3.1, make sure the XServer has support
for this.
Signed-off-by: Olivier Fourdan <four...@xfce.org>
---
src/display.c | 30 ++++++++++++++++++------------
1 file changed, 18 insertions(+), 12 deletions(-)
diff --git a/src/display.c b/src/display.c
index 505886a..40ee24f 100644
--- a/src/display.c
+++ b/src/display.c
@@ -257,28 +257,34 @@ myDisplayInit (GdkDisplay *gdisplay)
#ifdef HAVE_XSYNC
display->have_xsync = FALSE;
-
display->xsync_error_base = 0;
display->xsync_event_base = 0;
- major = SYNC_MAJOR_VERSION;
- minor = SYNC_MINOR_VERSION;
-
if (XSyncQueryExtension (display->dpy,
&display->xsync_event_base,
- &display->xsync_error_base)
- && XSyncInitialize (display->dpy,
- &major,
- &minor))
+ &display->xsync_error_base))
{
- display->have_xsync = TRUE;
+ if (XSyncInitialize (display->dpy, &major, &minor))
+ {
+ if ((major > SYNC_MAJOR_VERSION) ||
+ (major == SYNC_MAJOR_VERSION && minor >= SYNC_MINOR_VERSION))
+ {
+ display->have_xsync = TRUE;
+ XSyncSetPriority (display->dpy, None, 10);
+ }
+ else
+ {
+ g_warning ("XSync extension too old (%i.%i).", major, minor);
+ }
+ }
+ else
+ {
+ g_warning ("Failed to initialize XSync extension.");
+ }
}
else
{
g_warning ("The display does not support the XSync extension.");
- display->have_xsync = FALSE;
- display->xsync_event_base = 0;
- display->xsync_error_base = 0;
}
#endif /* HAVE_XSYNC */
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