75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_SHADERASTCLONER_HPP
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#define NAZARA_SHADERASTCLONER_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Renderer/Config.hpp>
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#include <Nazara/Renderer/ShaderAstVisitor.hpp>
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#include <Nazara/Renderer/ShaderVarVisitor.hpp>
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#include <vector>
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namespace Nz
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{
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class NAZARA_RENDERER_API ShaderAstCloner : public ShaderAstVisitor, public ShaderVarVisitor
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{
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public:
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ShaderAstCloner() = default;
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ShaderAstCloner(const ShaderAstCloner&) = default;
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ShaderAstCloner(ShaderAstCloner&&) = default;
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~ShaderAstCloner() = default;
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ShaderNodes::StatementPtr Clone(const ShaderNodes::StatementPtr& statement);
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ShaderAstCloner& operator=(const ShaderAstCloner&) = default;
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ShaderAstCloner& operator=(ShaderAstCloner&&) = default;
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protected:
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ShaderNodes::ExpressionPtr CloneExpression(const ShaderNodes::ExpressionPtr& expr);
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ShaderNodes::StatementPtr CloneStatement(const ShaderNodes::StatementPtr& statement);
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ShaderNodes::VariablePtr CloneVariable(const ShaderNodes::VariablePtr& statement);
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void Visit(ShaderNodes::AccessMember& node) override;
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void Visit(ShaderNodes::AssignOp& node) override;
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void Visit(ShaderNodes::BinaryOp& node) override;
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void Visit(ShaderNodes::Branch& node) override;
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void Visit(ShaderNodes::Cast& node) override;
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void Visit(ShaderNodes::Constant& node) override;
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void Visit(ShaderNodes::DeclareVariable& node) override;
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void Visit(ShaderNodes::ExpressionStatement& node) override;
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void Visit(ShaderNodes::Identifier& node) override;
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void Visit(ShaderNodes::IntrinsicCall& node) override;
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void Visit(ShaderNodes::Sample2D& node) override;
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void Visit(ShaderNodes::StatementBlock& node) override;
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void Visit(ShaderNodes::SwizzleOp& node) override;
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void Visit(ShaderNodes::BuiltinVariable& var) override;
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void Visit(ShaderNodes::InputVariable& var) override;
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void Visit(ShaderNodes::LocalVariable& var) override;
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void Visit(ShaderNodes::OutputVariable& var) override;
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void Visit(ShaderNodes::ParameterVariable& var) override;
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void Visit(ShaderNodes::UniformVariable& var) override;
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void PushExpression(ShaderNodes::ExpressionPtr expression);
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void PushStatement(ShaderNodes::StatementPtr statement);
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void PushVariable(ShaderNodes::VariablePtr variable);
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ShaderNodes::ExpressionPtr PopExpression();
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ShaderNodes::StatementPtr PopStatement();
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ShaderNodes::VariablePtr PopVariable();
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private:
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std::vector<ShaderNodes::ExpressionPtr> m_expressionStack;
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std::vector<ShaderNodes::StatementPtr> m_statementStack;
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std::vector<ShaderNodes::VariablePtr> m_variableStack;
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};
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}
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#include <Nazara/Renderer/ShaderAstCloner.inl>
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#endif
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