Graphics/FrameGraph: Add AttachmentProxy

include/Nazara/Graphics/FrameGraph.inl

@@ -16,6 +16,20 @@ namespace Nz
 		return id;
 	}
 
+	inline std::size_t FrameGraph::AddAttachmentProxy(std::string name, std::size_t attachmentId)
+	{
+		assert(attachmentId < m_attachments.size());
+		assert(std::holds_alternative<FramePassAttachment>(m_attachments[attachmentId]));
+
+		std::size_t id = m_attachments.size();
+		m_attachments.emplace_back(AttachmentProxy {
+			attachmentId,
+			std::move(name)
+		});
+
+		return id;
+	}
+
 	inline void FrameGraph::AddBackbufferOutput(std::size_t backbufferOutput)
 	{
 		m_backbufferOutputs.push_back(backbufferOutput);