ShaderAst: Big refactor + add binding/location support

include/Nazara/Renderer/ShaderEnums.hpp

@@ -0,0 +1,99 @@
+// Copyright (C) 2020 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_SHADER_ENUMS_HPP
+#define NAZARA_SHADER_ENUMS_HPP
+
+#include <Nazara/Prerequisites.hpp>
+
+namespace Nz::ShaderNodes
+{
+	enum class AssignType
+	{
+		Simple //< =
+	};
+
+	enum class BinaryType
+	{
+		Add,       //< +
+		Substract, //< -
+		Multiply,  //< *
+		Divide,    //< /
+
+		Equality  //< ==
+	};
+
+	enum class BuiltinEntry
+	{
+		VertexPosition, // gl_Position
+	};
+
+	enum class ExpressionCategory
+	{
+		LValue,
+		RValue
+	};
+
+	enum class ExpressionType
+	{
+		Boolean,   // bool
+		Float1,    // float
+		Float2,    // vec2
+		Float3,    // vec3
+		Float4,    // vec4
+		Mat4x4,    // mat4
+		Sampler2D, // sampler2D
+
+		Void     // void
+	};
+
+	enum class IntrinsicType
+	{
+		CrossProduct,
+		DotProduct
+	};
+
+	enum class NodeType
+	{
+		None = -1,
+
+		AssignOp,
+		BinaryOp,
+		Branch,
+		Cast,
+		Constant,
+		ConditionalStatement,
+		DeclareVariable,
+		ExpressionStatement,
+		Identifier,
+		IntrinsicCall,
+		Sample2D,
+		SwizzleOp,
+		StatementBlock
+	};
+
+	enum class SwizzleComponent
+	{
+		First,
+		Second,
+		Third,
+		Fourth
+	};
+
+	enum class VariableType
+	{
+		None = -1,
+
+		BuiltinVariable,
+		InputVariable,
+		LocalVariable,
+		OutputVariable,
+		ParameterVariable,
+		UniformVariable
+	};
+}
+
+#endif // NAZARA_SHADER_ENUMS_HPP