diff options
Diffstat (limited to 'src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp')
| -rw-r--r-- | src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp index fe68927fda..95b8fb26e3 100644 --- a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp +++ b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp @@ -89,17 +89,11 @@ void QQnxRasterBackingStore::flush(QWindow *window, const QRegion ®ion, const if (!m_needsPosting) return; - QQnxWindow *targetWindow = nullptr; - if (window) - targetWindow = static_cast<QQnxWindow *>(window->handle()); - - // we only need to flush the platformWindow backing store, since this is - // the buffer where all drawing operations of all windows, including the - // child windows, are performed; conceptually ,child windows have no buffers - // (actually they do have a 1x1 placeholder buffer due to libscreen limitations), - // since Qt will only draw to the backing store of the top-level window. - if (!targetWindow || targetWindow == platformWindow()) - platformWindow()->post(region); // update the display with newly rendered content + auto *targetWindow = window + ? static_cast<QQnxRasterWindow *>(window->handle()) : platformWindow(); + + if (targetWindow) + targetWindow->post(region); // update the display with newly rendered content m_needsPosting = false; m_scrolled = false; |