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, 3 insertions, 0 deletions

diff --git a/src/render/backend/abstractrenderer_p.h b/src/render/backend/abstractrenderer_p.h
index 69e71dece..273ab359a 100644
--- a/src/render/backend/abstractrenderer_p.h
+++ b/src/render/backend/abstractrenderer_p.h
@@ -64,6 +64,7 @@ QT_BEGIN_NAMESPACE
 
 class QSurface;
 class QSize;
+class QScreen;
 
 namespace Qt3DCore {
 class QAbstractFrameAdvanceService;
@@ -177,6 +178,8 @@ public:
 
     // For QtQuick rendering
     virtual void setOpenGLContext(QOpenGLContext *ctx) = 0;
+    virtual void setScreen(QScreen *) {}
+    virtual QScreen *screen() const { return nullptr; }
 
     virtual void setOffscreenSurfaceHelper(OffscreenSurfaceHelper *helper) = 0;
     virtual QSurfaceFormat format() = 0;