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| author | Ivan Molodetskikh <yalterz@gmail.com> | 2021-01-30 21:14:46 +0300 |
|---|---|---|
| committer | Marge Bot <marge-bot@gnome.org> | 2021-03-08 09:48:11 +0000 |
| commit | 02d7fca716fbeb880debd491b9c82dc4055266dc (patch) | |
| tree | 62da16a2a53fbd75053ec8d1b0b1afa43d210c42 | |
| parent | 47183a94eb36b196212401e9e5473a8b3915ca2b (diff) | |
| download | mutter-02d7fca716fbeb880debd491b9c82dc4055266dc.tar.gz | |
clutter/frame-info: Add VSYNC flag
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1484>
| -rw-r--r-- | clutter/clutter/clutter-stage.h | 8 | ||||
| -rw-r--r-- | clutter/clutter/cogl/clutter-stage-cogl.c | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/clutter/clutter/clutter-stage.h b/clutter/clutter/clutter-stage.h index 36aafd0a5..9f25e5472 100644 --- a/clutter/clutter/clutter-stage.h +++ b/clutter/clutter/clutter-stage.h @@ -127,6 +127,14 @@ typedef enum * fullscreen surface and a surface on a hardware overlay. */ CLUTTER_FRAME_INFO_FLAG_ZERO_COPY = 1 << 1, + /* + * The presentation was synchronized to the "vertical retrace" by the display + * hardware such that tearing does not happen. Relying on user space + * scheduling is not acceptable for this flag. If presentation is done by a + * copy to the active frontbuffer, then it must guarantee that tearing cannot + * happen. + */ + CLUTTER_FRAME_INFO_FLAG_VSYNC = 1 << 2, } ClutterFrameInfoFlag; /** diff --git a/clutter/clutter/cogl/clutter-stage-cogl.c b/clutter/clutter/cogl/clutter-stage-cogl.c index 5a1093430..5e81899b0 100644 --- a/clutter/clutter/cogl/clutter-stage-cogl.c +++ b/clutter/clutter/cogl/clutter-stage-cogl.c @@ -835,6 +835,9 @@ frame_cb (CoglOnscreen *onscreen, if (cogl_frame_info_is_zero_copy (frame_info)) flags |= CLUTTER_FRAME_INFO_FLAG_ZERO_COPY; + if (cogl_frame_info_is_vsync (frame_info)) + flags |= CLUTTER_FRAME_INFO_FLAG_VSYNC; + clutter_frame_info = (ClutterFrameInfo) { .frame_counter = cogl_frame_info_get_global_frame_counter (frame_info), .refresh_rate = cogl_frame_info_get_refresh_rate (frame_info), |