3 files changed, 5 insertions, 0 deletions
diff --git a/src/render/materialsystem/parameter.cpp b/src/render/materialsystem/parameter.cpp
index ad84c0413..3360aebef 100644
--- a/src/render/materialsystem/parameter.cpp
+++ b/src/render/materialsystem/parameter.cpp
@@ -67,6 +67,7 @@ void Parameter::cleanup()
     m_nameId = -1;
     m_name.clear();
     m_uniformValue = UniformValue();
+    m_backendValue = {};
 }
 
 void Parameter::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
diff --git a/src/render/materialsystem/parameter_p.h b/src/render/materialsystem/parameter_p.h
index 9deaa11f3..258834ff3 100644
--- a/src/render/materialsystem/parameter_p.h
+++ b/src/render/materialsystem/parameter_p.h
@@ -76,6 +76,7 @@ public:
     QString name() const;
     int nameId() const Q_DECL_NOTHROW { return m_nameId; }
     const UniformValue &uniformValue() const { return m_uniformValue; }
+    QVariant backendValue() const { return m_backendValue; }
 
 private:
     QString m_name;
diff --git a/tests/auto/render/parameter/tst_parameter.cpp b/tests/auto/render/parameter/tst_parameter.cpp
index 0bfb306e5..625256fc4 100644
--- a/tests/auto/render/parameter/tst_parameter.cpp
+++ b/tests/auto/render/parameter/tst_parameter.cpp
@@ -52,6 +52,7 @@ private Q_SLOTS:
         QCOMPARE(backendParameter.name(), QString());
         QCOMPARE(backendParameter.uniformValue(), Qt3DRender::Render::UniformValue());
         QCOMPARE(backendParameter.nameId(), -1);
+        QCOMPARE(backendParameter.backendValue(), QVariant());
     }
 
     void checkCleanupState()
@@ -73,6 +74,7 @@ private Q_SLOTS:
         QCOMPARE(backendParameter.name(), QString());
         QCOMPARE(backendParameter.uniformValue(), Qt3DRender::Render::UniformValue());
         QCOMPARE(backendParameter.nameId(), -1);
+        QCOMPARE(backendParameter.backendValue(), QVariant());
     }
 
     void checkInitializeFromPeer()
@@ -155,6 +157,7 @@ private Q_SLOTS:
 
             // THEN
             QCOMPARE(backendParameter.uniformValue(), newValue);
+            QCOMPARE(backendParameter.backendValue(), value);
             QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::ParameterDirty);
             renderer.clearDirtyBits(Qt3DRender::Render::AbstractRenderer::AllDirty);
         }