Make sure right screen is set on QOpenGLContext and QOffscreenSurface

When the Qt3D window is on a specific screen, then it needs to ensure
that any supporting QOpenGLContexts and QOffscreenSurfaces are set to
be using that same screen or it will fail to render the content.

Change-Id: Ief4f3e88bf6f71862bc5dace0cb0bddcdf3a98b5
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/render/renderers/opengl/renderer/renderer_p.h b/src/render/renderers/opengl/renderer/renderer_p.h
index 5b5f5c4f4..9376e9eda 100644
--- a/src/render/renderers/opengl/renderer/renderer_p.h
+++ b/src/render/renderers/opengl/renderer/renderer_p.h
@@ -106,6 +106,7 @@ QT_BEGIN_NAMESPACE
 
 class QSurface;
 class QMouseEvent;
+class QScreen;
 
 namespace Qt3DCore {
 class QEntity;
@@ -294,6 +295,8 @@ public:
     ViewSubmissionResultData submitRenderViews(const QVector<Render::RenderView *> &renderViews);
 
     RendererCache *cache() { return &m_cache; }
+    void setScreen(QScreen *scr) override;
+    QScreen *screen() const override;
 
 #ifdef QT3D_RENDER_UNIT_TESTS
 public:
@@ -421,6 +424,7 @@ private:
 
     QMetaObject::Connection m_contextConnection;
     RendererCache m_cache;
+    QScreen *m_screen = nullptr;
 };
 
 } // namespace Render