Align managed render graph authoring surface

managed/XCEngine.ScriptCore/Rendering/Graph/RenderGraph.cs

@@ -31,6 +31,48 @@ namespace XCEngine.Rendering.RenderGraphModule
             return m_context.AddRasterPass(passName);
         }
 
+        public XCEngine.Rendering.RenderGraphTextureHandle
+        CreateTransientTexture(
+            string name,
+            XCEngine.Rendering.RenderGraphTextureDesc desc)
+        {
+            if (m_context == null)
+            {
+                throw new InvalidOperationException(
+                    "RenderGraph is not bound to a recording context.");
+            }
+
+            return m_context.CreateTransientTexture(
+                name,
+                desc);
+        }
+
+        public XCEngine.Rendering.RenderGraphTextureHandle
+        CreateFullscreenTransientColorTexture(
+            string name)
+        {
+            if (m_context == null)
+            {
+                throw new InvalidOperationException(
+                    "RenderGraph is not bound to a recording context.");
+            }
+
+            return m_context.CreateFullscreenTransientColorTexture(name);
+        }
+
+        public XCEngine.Rendering.RenderGraphTextureHandle
+        CreateFullscreenTransientDepthTexture(
+            string name)
+        {
+            if (m_context == null)
+            {
+                throw new InvalidOperationException(
+                    "RenderGraph is not bound to a recording context.");
+            }
+
+            return m_context.CreateFullscreenTransientDepthTexture(name);
+        }
+
         public XCEngine.Rendering.RendererListHandle
         CreateRendererList(
             XCEngine.Rendering.RendererListDesc rendererListDesc)