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include/Nazara/Graphics/MaterialPipeline.hpp

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+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_MATERIALPIPELINE_HPP
+#define NAZARA_MATERIALPIPELINE_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Graphics/Config.hpp>
+#include <Nazara/Graphics/Enums.hpp>
+#include <Nazara/Graphics/MaterialSettings.hpp>
+#include <Nazara/Renderer/RenderPipeline.hpp>
+#include <array>
+#include <memory>
+
+namespace Nz
+{
+	class Shader;
+
+	struct MaterialPipelineInfo : RenderStates
+	{
+		bool alphaTest         = false;
+		bool depthSorting      = false;
+		bool hasVertexColor    = false;
+		bool reflectionMapping = false;
+		bool shadowReceive     = true;
+		Nz::UInt64 textures    = 0;
+
+		std::shared_ptr<RenderPipelineLayout> pipelineLayout;
+		std::shared_ptr<const MaterialSettings> settings;
+		std::shared_ptr<Shader> shader;
+	};
+
+	inline bool operator==(const MaterialPipelineInfo& lhs, const MaterialPipelineInfo& rhs);
+	inline bool operator!=(const MaterialPipelineInfo& lhs, const MaterialPipelineInfo& rhs);
+
+
+	class NAZARA_GRAPHICS_API MaterialPipeline
+	{
+		public:
+			struct Instance;
+
+			MaterialPipeline(const MaterialPipeline&) = delete;
+			MaterialPipeline(MaterialPipeline&&) = delete;
+			~MaterialPipeline() = default;
+
+			inline const Instance& Apply(UInt32 flags = ShaderFlags_None) const;
+
+			MaterialPipeline& operator=(const MaterialPipeline&) = delete;
+			MaterialPipeline& operator=(MaterialPipeline&&) = delete;
+
+			inline const MaterialPipelineInfo& GetInfo() const;
+			inline const Instance& GetInstance(UInt32 flags = ShaderFlags_None) const;
+
+			static MaterialPipelineRef GetPipeline(const MaterialPipelineInfo& pipelineInfo);
+
+			struct Instance
+			{
+				RenderPipeline renderPipeline;
+				//Shader::LayoutBindings bindings;
+				//UberShaderInstance* uberInstance = nullptr;
+			};
+
+		private:
+			inline MaterialPipeline(const MaterialPipelineInfo& pipelineInfo);
+
+			void GenerateRenderPipeline(UInt32 flags) const;
+
+			static bool Initialize();
+			template<typename... Args> static MaterialPipelineRef New(Args&&... args);
+			static void Uninitialize();
+
+			MaterialPipelineInfo m_pipelineInfo;
+			mutable std::array<Instance, ShaderFlags_Max + 1> m_instances;
+
+			using PipelineCache = std::unordered_map<MaterialPipelineInfo, MaterialPipelineRef>;
+			static PipelineCache s_pipelineCache;
+
+			static MaterialPipelineLibrary::LibraryMap s_library;
+	};
+}
+
+#include <Nazara/Graphics/MaterialPipeline.inl>
+
+#endif // NAZARA_MATERIALPIPELINE_HPP