Add support for node parameters in QShaderGraphLoader

Now the parameters from the prototypes are used as default values and
the graph file can overload them.

Change-Id: I9a8a73963c7e578bd0a34e96f76f147a12224f4f
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/gui/util/qshadergraphloader.cpp b/src/gui/util/qshadergraphloader.cpp
index d246654b9c..717a9e18d9 100644
--- a/src/gui/util/qshadergraphloader.cpp
+++ b/src/gui/util/qshadergraphloader.cpp
@@ -152,6 +152,15 @@ void QShaderGraphLoader::load()
 
         auto node = m_prototypes.value(type);
         node.setUuid(uuid);
+
+        const auto parametersValue = nodeObject.value(QStringLiteral("parameters"));
+        if (parametersValue.isObject()) {
+            const auto parametersObject = parametersValue.toObject();
+            for (const auto &parameterName : parametersObject.keys()) {
+                node.setParameter(parameterName, parametersObject.value(parameterName).toVariant());
+            }
+        }
+
         m_graph.addNode(node);
     }