[gtk+/wip/matthiasc/shadertoy] inspector: Show pixel shader node children

[Matthias Clasen <matthiasc src gnome org>]

commit 21e8b74ce956f8fcd93b55a959a0cc15dea7f5db
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 24 14:45:48 2017 -0400

    inspector: Show pixel shader node children

 gtk/inspector/gtktreemodelrendernode.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/gtk/inspector/gtktreemodelrendernode.c b/gtk/inspector/gtktreemodelrendernode.c
index bc9b0dd..49b960b 100644
--- a/gtk/inspector/gtktreemodelrendernode.c
+++ b/gtk/inspector/gtktreemodelrendernode.c
@@ -531,10 +531,16 @@ append_node (GtkTreeModelRenderNode *nodemodel,
     case GSK_BORDER_NODE:
     case GSK_INSET_SHADOW_NODE:
     case GSK_OUTSET_SHADOW_NODE:
-    case GSK_PIXEL_SHADER_NODE:
       /* no children */
       break;
 
+    case GSK_PIXEL_SHADER_NODE:
+      if (gsk_pixel_shader_node_get_child1 (node))
+        append_node (nodemodel, gsk_pixel_shader_node_get_child1 (node), priv->nodes->len - 1);
+      if (gsk_pixel_shader_node_get_child2 (node))
+        append_node (nodemodel, gsk_pixel_shader_node_get_child2 (node), priv->nodes->len - 1);
+      break;
+
     case GSK_TRANSFORM_NODE:
       append_node (nodemodel, gsk_transform_node_get_child (node), priv->nodes->len - 1);
       break;