diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbbackingstore.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbbackingstore.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.cpp b/src/plugins/platforms/xcb/qxcbbackingstore.cpp index 25f1ea5236..1825a463d0 100644 --- a/src/plugins/platforms/xcb/qxcbbackingstore.cpp +++ b/src/plugins/platforms/xcb/qxcbbackingstore.cpp @@ -311,9 +311,12 @@ QPaintDevice *QXcbBackingStore::paintDevice() void QXcbBackingStore::beginPaint(const QRegion ®ion) { + if (!m_image && !m_size.isEmpty()) + resize(m_size, QRegion()); + if (!m_image) return; - + m_size = QSize(); m_paintRegion = region; m_image->preparePaint(m_paintRegion); @@ -420,7 +423,8 @@ void QXcbBackingStore::resize(const QSize &size, const QRegion &) return; Q_XCB_NOOP(connection()); - QXcbScreen *screen = static_cast<QXcbScreen *>(window()->screen()->handle()); + + QXcbScreen *screen = window()->screen() ? static_cast<QXcbScreen *>(window()->screen()->handle()) : 0; QPlatformWindow *pw = window()->handle(); if (!pw) { window()->create(); @@ -429,6 +433,11 @@ void QXcbBackingStore::resize(const QSize &size, const QRegion &) QXcbWindow* win = static_cast<QXcbWindow *>(pw); delete m_image; + if (!screen) { + m_image = 0; + m_size = size; + return; + } m_image = new QXcbShmImage(screen, size, win->depth(), win->imageFormat()); // Slow path for bgr888 VNC: Create an additional image, paint into that and // swap R and B while copying to m_image after each paint. |