diff options
Diffstat (limited to 'src/client/qwaylandwindow.cpp')
-rw-r--r-- | src/client/qwaylandwindow.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/client/qwaylandwindow.cpp b/src/client/qwaylandwindow.cpp index df9e8437e..0ff3a72e5 100644 --- a/src/client/qwaylandwindow.cpp +++ b/src/client/qwaylandwindow.cpp @@ -73,6 +73,8 @@ QT_BEGIN_NAMESPACE namespace QtWaylandClient { +Q_LOGGING_CATEGORY(lcWaylandBackingstore, "qt.qpa.wayland.backingstore") + QWaylandWindow *QWaylandWindow::mMouseGrab = nullptr; QWaylandWindow::QWaylandWindow(QWindow *window) @@ -534,6 +536,7 @@ void QWaylandWindow::handleScreenRemoved(QScreen *qScreen) void QWaylandWindow::attach(QWaylandBuffer *buffer, int x, int y) { + Q_ASSERT(!buffer->committed()); if (mFrameCallback) { wl_callback_destroy(mFrameCallback); mFrameCallback = nullptr; @@ -564,12 +567,18 @@ void QWaylandWindow::damage(const QRect &rect) void QWaylandWindow::commit(QWaylandBuffer *buffer, const QRegion &damage) { + if (buffer->committed()) { + qCDebug(lcWaylandBackingstore) << "Buffer already committed, ignoring."; + return; + } if (!isInitialized()) return; attachOffset(buffer); for (const QRect &rect: damage) wl_surface::damage(rect.x(), rect.y(), rect.width(), rect.height()); + Q_ASSERT(!buffer->committed()); + buffer->setCommitted(); wl_surface::commit(); } |