Get rid of QLayer::names

Don't reinvent a variable naming system (string based global variables
even) and instead use pointer to QLayer instance everywhere, even with
QLayerFilter.

The wave and deferred-renderer-cpp examples have been ported to the new
API.

Change-Id: I82a858770954a8743a5c3d2ce0c463e62844871f
Task-number: QTBUG-51440
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/examples/qt3d/wave/WaveForwardRenderer.qml b/examples/qt3d/wave/WaveForwardRenderer.qml
index 280266331..48397243e 100644
--- a/examples/qt3d/wave/WaveForwardRenderer.qml
+++ b/examples/qt3d/wave/WaveForwardRenderer.qml
@@ -58,6 +58,10 @@ TechniqueFilter {
     property alias camera: cameraSelector.camera
     property alias window: surfaceSelector.surface
 
+    // Expose the layers we'll manage during rendering
+    readonly property Layer backgroundLayer: Layer {}
+    readonly property Layer waveLayer: Layer {}
+
     // Select the forward rendering Technique of any used Effect
     matchAll: [ FilterKey { name: "renderingStyle"; value: "forward" } ]
 
@@ -75,10 +79,10 @@ TechniqueFilter {
 
                 ClearBuffers {
                     buffers: ClearBuffers.ColorDepthBuffer
-                    LayerFilter { layers: "background" }
+                    LayerFilter { layers: root.backgroundLayer }
                 }
 
-                LayerFilter { layers: "wave" }
+                LayerFilter { layers: root.waveLayer }
             }
         }
     }