diff options
Diffstat (limited to 'src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp')
| -rw-r--r-- | src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp index 7204e5bce9..6a7a4d0944 100644 --- a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp +++ b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp @@ -81,6 +81,12 @@ void QQnxRasterBackingStore::flush(QWindow *window, const QRegion ®ion, const { qRasterBackingStoreDebug() << Q_FUNC_INFO << "w =" << this->window(); + // Sometimes this method is called even though there is nothing to be + // flushed, for instance, after an expose event directly follows a + // geometry change event. + if (!m_hasUnflushedPaintOperations) + return; + QQnxWindow *targetWindow = 0; if (window) targetWindow = static_cast<QQnxWindow *>(window->handle()); @@ -117,7 +123,6 @@ void QQnxRasterBackingStore::flush(QWindow *window, const QRegion ®ion, const // We assume that the TLW has been flushed previously and that no changes were made to the // backing store inbetween (### does Qt guarantee this?) - Q_ASSERT(!m_hasUnflushedPaintOperations); targetWindow->adjustBufferSize(); targetWindow->blitFrom(platformWindow, offset, region); |