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GdkGLContextX11: Only set swap interval when it changed

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This commit is contained in:
Alexander Larsson 2014-11-05 12:02:18 +01:00
parent e4bf60224b
commit dd721acb84
1 changed files with 9 additions and 5 deletions
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14
gdk/x11/gdkglcontext-x11.c
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@ -533,6 +533,7 @@ gdk_x11_gl_context_class_init (GdkX11GLContextClass *klass)
static void
gdk_x11_gl_context_init (GdkX11GLContext *self)
{
self->do_frame_sync = TRUE;
}
gboolean
@ -1175,12 +1176,15 @@ gdk_x11_display_make_gl_context_current (GdkDisplay *display,
screen = gdk_window_get_screen (window);
do_frame_sync = ! gdk_screen_is_composited (screen);
context_x11->do_frame_sync = do_frame_sync;
if (do_frame_sync != context_x11->do_frame_sync)
{
context_x11->do_frame_sync = do_frame_sync;
if (context_x11->do_frame_sync)
glXSwapIntervalSGI (1);
else
glXSwapIntervalSGI (0);
if (do_frame_sync)
glXSwapIntervalSGI (1);
else
glXSwapIntervalSGI (0);
}
}
return TRUE;