Accept/Drop entities and filter recursively

The layer now may specify if a subtree must be completely accepted
recursively. The layerfilter can specify if the entities must be
accepted or dropped.

Task-number: QTBUG-59814
Change-Id: I7beff9e036d5de8b128cf960ba5f11477e5784e1
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/render/framegraph/qlayerfilter.h b/src/render/framegraph/qlayerfilter.h
index 61eac5773..243ae7165 100644
--- a/src/render/framegraph/qlayerfilter.h
+++ b/src/render/framegraph/qlayerfilter.h
@@ -53,7 +53,15 @@ class QLayerFilterPrivate;
 class QT3DRENDERSHARED_EXPORT QLayerFilter : public QFrameGraphNode
 {
     Q_OBJECT
+    Q_PROPERTY(FilterMode filterMode READ filterMode WRITE setFilterMode NOTIFY filterModeChanged)
 public:
+    enum FilterMode
+    {
+        AcceptMatchingLayers = 0,
+        DiscardMatchingLayers
+    };
+    Q_ENUM(FilterMode) // LOVC_EXLC_LINE
+
     explicit QLayerFilter(Qt3DCore::QNode *parent = nullptr);
     ~QLayerFilter();
 
@@ -61,6 +69,13 @@ public:
     void removeLayer(QLayer *layer);
     QVector<QLayer *> layers() const;
 
+    FilterMode filterMode() const;
+    void setFilterMode(FilterMode filterMode);
+
+Q_SIGNALS:
+    void filterModeChanged(FilterMode filterMode);
+
+
 protected:
     explicit QLayerFilter(QLayerFilterPrivate &dd, Qt3DCore::QNode *parent = nullptr);