diff options
Diffstat (limited to 'src/compositor/wayland_wrapper/wlsurface.cpp')
| -rw-r--r-- | src/compositor/wayland_wrapper/wlsurface.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/compositor/wayland_wrapper/wlsurface.cpp b/src/compositor/wayland_wrapper/wlsurface.cpp index fd06a5bf..7aa75160 100644 --- a/src/compositor/wayland_wrapper/wlsurface.cpp +++ b/src/compositor/wayland_wrapper/wlsurface.cpp @@ -203,7 +203,7 @@ void Surface::sendFrameCallback() m_frontBuffer = m_backBuffer; } - advanceBufferQueue(); + bool updateNeeded = advanceBufferQueue(); uint time = Compositor::currentTimeMsecs(); struct wl_resource *frame_callback; @@ -211,10 +211,10 @@ void Surface::sendFrameCallback() wl_resource_post_event(frame_callback,WL_CALLBACK_DONE,time); wl_resource_destroy(frame_callback,Compositor::currentTimeMsecs()); } - wl_list_init(&m_frame_callback_list); - doUpdate(); + if (updateNeeded) + doUpdate(); } void Surface::frameFinished() @@ -267,7 +267,7 @@ Compositor *Surface::compositor() const return m_compositor; } -void Surface::advanceBufferQueue() +bool Surface::advanceBufferQueue() { //has current buffer been displayed, //do we have another buffer in the queue @@ -289,7 +289,7 @@ void Surface::advanceBufferQueue() } if (!m_backBuffer) - return; //we have no new backbuffer; + return false; //we have no new backbuffer; if (m_backBuffer->waylandBufferHandle()) { if (width != m_backBuffer->width() || @@ -311,9 +311,10 @@ void Surface::advanceBufferQueue() } else { m_backBuffer = 0; + return false; } - + return true; } void Surface::doUpdate() { |