Allow grabbing windows rendered without showing for testing.

To make QQuickWindowPrivate::setRenderWithoutShowing more useful
for autotesting we can allow grabbing such windows. This is safe
if the platform window have been created and the window has a valid
size.

Change-Id: I8b9a2aaeb93935f662b75ef29651730b890441d5
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/quick/items/qquickwindowmanager.cpp b/src/quick/items/qquickwindowmanager.cpp
index 43887662eb..6596343bc8 100644
--- a/src/quick/items/qquickwindowmanager.cpp
+++ b/src/quick/items/qquickwindowmanager.cpp
@@ -198,13 +198,14 @@ void QQuickTrivialWindowManager::windowDestroyed(QQuickWindow *window)
 
 void QQuickTrivialWindowManager::renderWindow(QQuickWindow *window)
 {
-    if (!window->isExposed() || !m_windows.contains(window))
+    bool renderWithoutShowing = QQuickWindowPrivate::get(window)->renderWithoutShowing;
+    if ((!window->isExposed() && !renderWithoutShowing) || !m_windows.contains(window))
         return;
 
     WindowData &data = const_cast<WindowData &>(m_windows[window]);
 
     QQuickWindow *masterWindow = 0;
-    if (!window->isVisible()) {
+    if (!window->isVisible() && !renderWithoutShowing) {
         // Find a "proper surface" to bind...
         for (QHash<QQuickWindow *, WindowData>::const_iterator it = m_windows.constBegin();
              it != m_windows.constEnd() && !masterWindow; ++it) {
@@ -218,6 +219,8 @@ void QQuickTrivialWindowManager::renderWindow(QQuickWindow *window)
     if (!masterWindow)
         return;
 
+    Q_ASSERT(QQuickWindowPrivate::get(masterWindow)->isRenderable());
+
     if (!gl) {
         gl = new QOpenGLContext();
         gl->setFormat(masterWindow->requestedFormat());