Split shader generation to a new module

2020-08-11 00:00:36 +02:00
parent 0313f2d0a6
commit 837a6585a1
86 changed files with 564 additions and 312 deletions
--- a/include/Nazara/Shader/ShaderVariables.hpp
+++ b/include/Nazara/Shader/ShaderVariables.hpp
@@ -0,0 +1,128 @@
+// 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_VARIABLES_HPP
+#define NAZARA_SHADER_VARIABLES_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Math/Vector2.hpp>
+#include <Nazara/Math/Vector3.hpp>
+#include <Nazara/Math/Vector4.hpp>
+#include <Nazara/Shader/Config.hpp>
+#include <Nazara/Shader/ShaderExpressionType.hpp>
+#include <array>
+#include <memory>
+#include <optional>
+#include <string>
+
+namespace Nz
+{
+	class ShaderVarVisitor;
+
+	namespace ShaderNodes
+	{
+		struct Variable;
+
+		using VariablePtr = std::shared_ptr<Variable>;
+
+		struct NAZARA_SHADER_API Variable : std::enable_shared_from_this<Variable>
+		{
+			virtual ~Variable();
+
+			virtual VariableType GetType() const = 0;
+			virtual void Visit(ShaderVarVisitor& visitor) = 0;
+
+			ShaderExpressionType type;
+		};
+
+		struct BuiltinVariable;
+
+		using BuiltinVariablePtr = std::shared_ptr<BuiltinVariable>;
+
+		struct NAZARA_SHADER_API BuiltinVariable : public Variable
+		{
+			BuiltinEntry entry;
+
+			VariableType GetType() const override;
+			void Visit(ShaderVarVisitor& visitor) override;
+
+			static inline std::shared_ptr<BuiltinVariable> Build(BuiltinEntry entry, ShaderExpressionType varType);
+		};
+
+		struct NamedVariable;
+
+		using NamedVariablePtr = std::shared_ptr<NamedVariable>;
+
+		struct NAZARA_SHADER_API NamedVariable : public Variable
+		{
+			std::string name;
+		};
+
+		struct InputVariable;
+
+		using InputVariablePtr = std::shared_ptr<InputVariable>;
+
+		struct NAZARA_SHADER_API InputVariable : public NamedVariable
+		{
+			VariableType GetType() const override;
+			void Visit(ShaderVarVisitor& visitor) override;
+
+			static inline std::shared_ptr<InputVariable> Build(std::string varName, ShaderExpressionType varType);
+		};
+
+		struct LocalVariable;
+
+		using LocalVariablePtr = std::shared_ptr<LocalVariable>;
+
+		struct NAZARA_SHADER_API LocalVariable : public NamedVariable
+		{
+			VariableType GetType() const override;
+			void Visit(ShaderVarVisitor& visitor) override;
+
+			static inline std::shared_ptr<LocalVariable> Build(std::string varName, ShaderExpressionType varType);
+		};
+
+		struct OutputVariable;
+
+		using OutputVariablePtr = std::shared_ptr<OutputVariable>;
+
+		struct NAZARA_SHADER_API OutputVariable : public NamedVariable
+		{
+			VariableType GetType() const override;
+			void Visit(ShaderVarVisitor& visitor) override;
+
+			static inline std::shared_ptr<OutputVariable> Build(std::string varName, ShaderExpressionType varType);
+		};
+
+		struct ParameterVariable;
+
+		using ParameterVariablePtr = std::shared_ptr<ParameterVariable>;
+
+		struct NAZARA_SHADER_API ParameterVariable : public NamedVariable
+		{
+			VariableType GetType() const override;
+			void Visit(ShaderVarVisitor& visitor) override;
+
+			static inline std::shared_ptr<ParameterVariable> Build(std::string varName, ShaderExpressionType varType);
+		};
+
+		struct UniformVariable;
+
+		using UniformVariablePtr = std::shared_ptr<UniformVariable>;
+
+		struct NAZARA_SHADER_API UniformVariable : public NamedVariable
+		{
+			VariableType GetType() const override;
+			void Visit(ShaderVarVisitor& visitor) override;
+
+			static inline std::shared_ptr<UniformVariable> Build(std::string varName, ShaderExpressionType varType);
+		};
+	}
+}
+
+#include <Nazara/Shader/ShaderVariables.inl>
+
+#endif