
* Scene.use_shading_nodes property to check if RenderEngine is using new shading nodes system, and RenderEngine.bl_use_shading_nodes to set this. * Add mechanism for tagging nodes as being compatible with the old/new system.
* Scene.use_shading_nodes property to check if RenderEngine is using new shading nodes system, and RenderEngine.bl_use_shading_nodes to set this. * Add mechanism for tagging nodes as being compatible with the old/new system.