Clean up customrendernode example

Make it more consistent with other scenegraph examples, and make it
more compact, in particular when it comes to handling the QRhi
resources (smart pointers are quite useful in this case since they
help dropping a bunch of lines)

Expand the docs.

Pick-to: 6.6 6.6.0
Change-Id: I97bceca7759db9738d34f0fbf7eb29b0ae6e4c0f
Reviewed-by: Christian Strømme <[email protected]>

1 files changed, 4 insertions, 5 deletions

diff --git a/examples/quick/scenegraph/customrendernode/main.qml b/examples/quick/scenegraph/customrendernode/main.qml
index bd6869cc19..a0b62c4bf8 100644
--- a/examples/quick/scenegraph/customrendernode/main.qml
+++ b/examples/quick/scenegraph/customrendernode/main.qml
@@ -45,11 +45,10 @@ Item {
         anchors.bottom: parent.bottom
         anchors.margins: 20
         wrapMode: Text.WordWrap
-        text: qsTr("This example creates a custom scenegraph QSGRenderNode render node and " +
-              "demonstrates its use. The render node is placed in front of a red " +
-              "rectangle, and behind a white rectangle. Rendering is demonstrated " +
-              "directly into the scenegraph, and as a layered item. Opacity and " +
-              "rotation transform changes are exercised.")
+        text: qsTr("This example creates a custom QQuickItem backed by a QSGRenderNode in the scene graph. " +
+              "The render node is placed in front of a red rectangle, and behind a white rectangle. " +
+              "Rendering is demonstrated directly into the scenegraph, and as a layered, texture-backed item (layer.enabled set to true). " +
+              "Opacity and rotation transform changes are exercised as well.")
 
         Rectangle {
             z:-1