Fix picking with Scene3D

Pass the correct picking area to pick job using rendersurfaceselector

Task-number: QTBUG-49271
Change-Id: I30511199b9b35c0e70d03f31165eb35c8c015cd1
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/quick3d/imports/scene3d/scene3drenderer.cpp b/src/quick3d/imports/scene3d/scene3drenderer.cpp
index 690822280..61f2aafb9 100644
--- a/src/quick3d/imports/scene3d/scene3drenderer.cpp
+++ b/src/quick3d/imports/scene3d/scene3drenderer.cpp
@@ -219,9 +219,13 @@ void Scene3DRenderer::render()
 
     ContextSaver saver;
 
-    const QSize currentSize = m_item->boundingRect().size().toSize() * window->effectiveDevicePixelRatio();
+    const QSize boundingRectSize = m_item->boundingRect().size().toSize();
+    const QSize currentSize = boundingRectSize * window->effectiveDevicePixelRatio();
     const bool forceRecreate = currentSize != m_lastSize || m_multisample != m_lastMultisample;
 
+    if (currentSize != m_lastSize)
+        m_item->setItemArea(boundingRectSize);
+
     // Rebuild FBO and textures if never created or a resize has occurred
     if ((m_multisampledFBO.isNull() || forceRecreate) && m_multisample) {
         qCDebug(Scene3D) << Q_FUNC_INFO << "Creating multisample framebuffer";