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Diffstat (limited to 'hw/xwayland/xwayland.c')
| -rw-r--r-- | hw/xwayland/xwayland.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/hw/xwayland/xwayland.c b/hw/xwayland/xwayland.c index 4a52f843c..8e416fd9d 100644 --- a/hw/xwayland/xwayland.c +++ b/hw/xwayland/xwayland.c @@ -182,6 +182,23 @@ xwl_screen_get(ScreenPtr screen) return dixLookupPrivate(&screen->devPrivates, &xwl_screen_private_key); } +static Bool +xwl_screen_has_viewport_support(struct xwl_screen *xwl_screen) +{ + return wl_compositor_get_version(xwl_screen->compositor) >= + WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION && + xwl_screen->viewporter != NULL; +} + +Bool +xwl_screen_has_resolution_change_emulation(struct xwl_screen *xwl_screen) +{ + /* Resolution change emulation is only supported in rootless mode and + * it requires viewport support. + */ + return xwl_screen->rootless && xwl_screen_has_viewport_support(xwl_screen); +} + static void xwl_window_set_allow_commits(struct xwl_window *xwl_window, Bool allow, const char *debug_msg) |