using System;

namespace XCEngine.Rendering.RenderGraphModule
{
    public sealed class RenderGraph
    {
        private readonly XCEngine.Rendering.ScriptableRenderContext
            m_context;

        public RenderGraph()
            : this(null)
        {
        }

        public RenderGraph(
            XCEngine.Rendering.ScriptableRenderContext context)
        {
            m_context = context;
        }

        public XCEngine.Rendering.RenderGraphRasterPassBuilder
        AddRasterPass(
            string passName)
        {
            if (m_context == null)
            {
                throw new InvalidOperationException(
                    "RenderGraph is not bound to a recording context.");
            }

            return m_context.AddRasterPass(passName);
        }
    }
}