diff options
Diffstat (limited to 'platform/linuxbsd/wayland/display_server_wayland.cpp')
| -rw-r--r-- | platform/linuxbsd/wayland/display_server_wayland.cpp | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/platform/linuxbsd/wayland/display_server_wayland.cpp b/platform/linuxbsd/wayland/display_server_wayland.cpp index 85bbfe546a..c957dea32d 100644 --- a/platform/linuxbsd/wayland/display_server_wayland.cpp +++ b/platform/linuxbsd/wayland/display_server_wayland.cpp @@ -867,11 +867,11 @@ bool DisplayServerWayland::window_is_focused(WindowID p_window_id) const { } bool DisplayServerWayland::window_can_draw(DisplayServer::WindowID p_window_id) const { - return frame; + return !suspended; } bool DisplayServerWayland::can_any_window_draw() const { - return frame; + return !suspended; } void DisplayServerWayland::window_set_ime_active(const bool p_active, DisplayServer::WindowID p_window_id) { @@ -1143,7 +1143,32 @@ void DisplayServerWayland::process_events() { wayland_thread.keyboard_echo_keys(); - frame = wayland_thread.get_reset_frame(); + if (!suspended) { + if (emulate_vsync) { + // Due to various reasons, we manually handle display synchronization by + // waiting for a frame event (request to draw) or, if available, the actual + // window's suspend status. When a window is suspended, we can avoid drawing + // altogether, either because the compositor told us that we don't need to or + // because the pace of the frame events became unreliable. + bool frame = wayland_thread.wait_frame_suspend_ms(1000); + if (!frame) { + suspended = true; + } + } else { + if (wayland_thread.is_suspended()) { + suspended = true; + } + } + + if (suspended) { + DEBUG_LOG_WAYLAND("Window suspended."); + } + } else { + if (wayland_thread.get_reset_frame()) { + // At last, a sign of life! We're no longer suspended. + suspended = false; + } + } wayland_thread.mutex.unlock(); |