diff options
| author | Simon Ser <contact@emersion.fr> | 2020-01-10 16:02:10 +0100 |
|---|---|---|
| committer | Drew DeVault <sir@cmpwn.com> | 2020-03-06 21:32:58 +0100 |
| commit | 9be1af3afb1ffe2b51eacdcc59c1d5f17cf6d205 (patch) | |
| tree | e40494d7cd823335699f91b9ade9727d7d34dad4 | |
| parent | 7017fa95b86fe4383d64a8a83ded0a7dcc53eaa2 (diff) | |
backend/x11: add support for adaptive_sync_enabled
This sets the _VARIABLE_REFRESH window property [1].
[1]: https://gitlab.freedesktop.org/mesa/mesa/blob/0616b7ac90cf4f86bb409d34101e3a3cceac8cbe/src/vulkan/wsi/wsi_common_x11.c#L1374
| -rw-r--r-- | backend/x11/backend.c | 1 | ||||
| -rw-r--r-- | backend/x11/output.c | 15 | ||||
| -rw-r--r-- | include/backend/x11.h | 1 |
3 files changed, 17 insertions, 0 deletions
diff --git a/backend/x11/backend.c b/backend/x11/backend.c index 26c56cab..c204cfd0 100644 --- a/backend/x11/backend.c +++ b/backend/x11/backend.c @@ -203,6 +203,7 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display, { .name = "WM_DELETE_WINDOW", .atom = &x11->atoms.wm_delete_window }, { .name = "_NET_WM_NAME", .atom = &x11->atoms.net_wm_name }, { .name = "UTF8_STRING", .atom = &x11->atoms.utf8_string }, + { .name = "_VARIABLE_REFRESH", .atom = &x11->atoms.variable_refresh }, }; for (size_t i = 0; i < sizeof(atom) / sizeof(atom[0]); ++i) { diff --git a/backend/x11/output.c b/backend/x11/output.c index c827b9d5..9d184c48 100644 --- a/backend/x11/output.c +++ b/backend/x11/output.c @@ -118,6 +118,21 @@ static bool output_commit(struct wlr_output *wlr_output) { } } + if (wlr_output->pending.committed & WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED && + x11->atoms.variable_refresh != XCB_ATOM_NONE) { + if (wlr_output->pending.adaptive_sync_enabled) { + uint32_t enabled = 1; + xcb_change_property(x11->xcb, XCB_PROP_MODE_REPLACE, output->win, + x11->atoms.variable_refresh, XCB_ATOM_CARDINAL, 32, 1, + &enabled); + wlr_output->adaptive_sync_status = WLR_OUTPUT_ADAPTIVE_SYNC_UNKNOWN; + } else { + xcb_delete_property(x11->xcb, output->win, + x11->atoms.variable_refresh); + wlr_output->adaptive_sync_status = WLR_OUTPUT_ADAPTIVE_SYNC_DISABLED; + } + } + if (wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER) { pixman_region32_t *damage = NULL; if (wlr_output->pending.committed & WLR_OUTPUT_STATE_DAMAGE) { diff --git a/include/backend/x11.h b/include/backend/x11.h index e628e4cb..549f6a77 100644 --- a/include/backend/x11.h +++ b/include/backend/x11.h @@ -72,6 +72,7 @@ struct wlr_x11_backend { xcb_atom_t wm_delete_window; xcb_atom_t net_wm_name; xcb_atom_t utf8_string; + xcb_atom_t variable_refresh; } atoms; // The time we last received an event |