Wayland:

--- a/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglintegration.cpp
+++ b/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglintegration.cpp
@@ -78,6 +78,7 @@
 
 void QWaylandBrcmEglIntegration::initialize(QWaylandDisplay *waylandDisplay)
 {
+    m_display = waylandDisplay;
     m_waylandDisplay = waylandDisplay->wl_display();
     waylandDisplay->addRegistryListener(wlDisplayHandleGlobal, this);
     EGLint major,minor;
@@ -111,7 +112,7 @@
 
 QWaylandWindow *QWaylandBrcmEglIntegration::createEglWindow(QWindow *window)
 {
-    return new QWaylandBrcmEglWindow(window);
+    return new QWaylandBrcmEglWindow(window, m_display);
 }
 
 QPlatformOpenGLContext *QWaylandBrcmEglIntegration::createPlatformOpenGLContext(const QSurfaceFormat &glFormat, QPlatformOpenGLContext *share) const--- a/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglintegration.h
+++ b/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglintegration.h
@@ -93,6 +93,8 @@
     struct qt_brcm *m_waylandBrcm = nullptr;
 
     EGLDisplay m_eglDisplay = EGL_NO_DISPLAY;
+    
+    QWaylandDisplay *m_display = nullptr;
 };
 
 }--- a/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglwindow.cpp
+++ b/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglwindow.cpp
@@ -124,8 +124,8 @@
     struct wl_event_queue *m_eventQueue = nullptr;
 };
 
-QWaylandBrcmEglWindow::QWaylandBrcmEglWindow(QWindow *window)
-    : QWaylandWindow(window)
+QWaylandBrcmEglWindow::QWaylandBrcmEglWindow(QWindow *window, QWaylandDisplay *display)
+    : QWaylandWindow(window, display)
     , m_eglIntegration(static_cast<QWaylandBrcmEglIntegration *>(mDisplay->clientBufferIntegration()))
     , m_format(window->format())
     , m_eventQueue(wl_display_create_queue(mDisplay->wl_display()))--- a/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglwindow.h
+++ b/src/hardwareintegration/client/brcm-egl/qwaylandbrcmeglwindow.h
@@ -58,7 +58,7 @@
 {
     Q_OBJECT
 public:
-    QWaylandBrcmEglWindow(QWindow *window);
+    QWaylandBrcmEglWindow(QWindow *window, QWaylandDisplay *display);
     ~QWaylandBrcmEglWindow();
     WindowType windowType() const override;
     void setGeometry(const QRect &rect) override;