Big UberShader update

-Added GRAPHICS_MAX_LIGHTPERPASS macro
-Added glGetActiveUniform OpenGL function
-Added (Uber)ShaderLibrary
-Added (Uber)ShaderName parameter to models
-Changed uniform system
-Fixed Node copying
-Moved Material class to Graphics module
-Optimized lights
-Remade Shader class
-Renamed Node::Invalidate to Node::InvalidateNode
-Renamed ShaderProgram to Shader


Former-commit-id: 15f0cad52969e91a2442e7d750ba2dc412f3549d

include/Nazara/Renderer/UberShaderPreprocessor.hpp

@@ -0,0 +1,45 @@
+// Copyright (C) 2014 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Renderer module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_UBERSHADERPREPROCESSOR_HPP
+#define NAZARA_UBERSHADERPREPROCESSOR_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Renderer/Enums.hpp>
+#include <Nazara/Renderer/Shader.hpp>
+#include <Nazara/Renderer/ShaderStage.hpp>
+#include <Nazara/Renderer/UberShader.hpp>
+#include <Nazara/Renderer/UberShaderInstancePreprocessor.hpp>
+#include <unordered_map>
+
+class NAZARA_API NzUberShaderPreprocessor : public NzUberShader
+{
+	public:
+		NzUberShaderPreprocessor() = default;
+		~NzUberShaderPreprocessor() = default;
+
+		NzUberShaderInstance* Get(const NzParameterList& parameters) const;
+
+		void SetShader(nzShaderStage stage, const NzString& source, const NzString& flags);
+		bool SetShaderFromFile(nzShaderStage stage, const NzString& filePath, const NzString& flags);
+
+		static bool IsSupported();
+
+	private:
+		struct Shader
+		{
+			mutable std::unordered_map<nzUInt32, NzShaderStage> cache;
+			std::unordered_map<NzString, nzUInt32> flags;
+			NzString source;
+			bool present = false;
+		};
+
+		mutable std::unordered_map<nzUInt32, NzUberShaderInstancePreprocessor> m_cache;
+		std::unordered_map<NzString, nzUInt32> m_flags;
+		Shader m_shaders[nzShaderStage_Max+1];
+};
+
+#endif // NAZARA_UBERSHADERPREPROCESSOR_HPP