Split shader generation to a new module

include/Nazara/Shader/ShaderEnums.hpp

@@ -0,0 +1,118 @@
+// Copyright (C) 2020 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Shader generator"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_SHADER_ENUMS_HPP
+#define NAZARA_SHADER_ENUMS_HPP
+
+#include <Nazara/Prerequisites.hpp>
+
+namespace Nz::ShaderNodes
+{
+	enum class AssignType
+	{
+		Simple //< =
+	};
+
+	enum class BasicType
+	{
+		Boolean,   //< bool
+		Float1,    //< float
+		Float2,    //< vec2
+		Float3,    //< vec3
+		Float4,    //< vec4
+		Int1,      //< int
+		Int2,      //< ivec2
+		Int3,      //< ivec3
+		Int4,      //< ivec4
+		Mat4x4,    //< mat4
+		Sampler2D, //< sampler2D
+
+		Void       //< void
+	};
+
+	enum class BinaryType
+	{
+		Add,       //< +
+		Substract, //< -
+		Multiply,  //< *
+		Divide,    //< /
+
+		Equality  //< ==
+	};
+
+	enum class BuiltinEntry
+	{
+		VertexPosition, // gl_Position
+	};
+
+	enum class ExpressionCategory
+	{
+		LValue,
+		RValue
+	};
+
+	enum class IntrinsicType
+	{
+		CrossProduct,
+		DotProduct
+	};
+
+	enum class MemoryLayout
+	{
+		Std140
+	};
+
+	enum class NodeType
+	{
+		None = -1,
+
+		AccessMember,
+		AssignOp,
+		BinaryOp,
+		Branch,
+		Cast,
+		Constant,
+		ConditionalStatement,
+		DeclareVariable,
+		ExpressionStatement,
+		Identifier,
+		IntrinsicCall,
+		Sample2D,
+		SwizzleOp,
+		StatementBlock
+	};
+
+	enum class SsaInstruction
+	{
+		OpAdd,
+		OpDiv,
+		OpMul,
+		OpSub,
+		OpSample
+	};
+
+	enum class SwizzleComponent
+	{
+		First,
+		Second,
+		Third,
+		Fourth
+	};
+
+	enum class VariableType
+	{
+		None = -1,
+
+		BuiltinVariable,
+		InputVariable,
+		LocalVariable,
+		OutputVariable,
+		ParameterVariable,
+		UniformVariable
+	};
+}
+
+#endif // NAZARA_SHADER_ENUMS_HPP