50 lines
1.6 KiB
C++
50 lines
1.6 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_SHADERVISITOR_HPP
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#define NAZARA_SHADERVISITOR_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/ShaderNodes.hpp>
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#include <string>
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#include <unordered_set>
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namespace Nz
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{
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class NAZARA_RENDERER_API ShaderVisitor
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{
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public:
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ShaderVisitor() = default;
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ShaderVisitor(const ShaderVisitor&) = delete;
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ShaderVisitor(ShaderVisitor&&) = delete;
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virtual ~ShaderVisitor();
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void EnableCondition(const std::string& name, bool cond);
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bool IsConditionEnabled(const std::string& name) const;
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virtual void Visit(const ShaderNodes::AssignOp& node) = 0;
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virtual void Visit(const ShaderNodes::BinaryOp& node) = 0;
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virtual void Visit(const ShaderNodes::Branch& node) = 0;
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virtual void Visit(const ShaderNodes::Cast& node) = 0;
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virtual void Visit(const ShaderNodes::Constant& node) = 0;
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virtual void Visit(const ShaderNodes::DeclareVariable& node) = 0;
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virtual void Visit(const ShaderNodes::ExpressionStatement& node) = 0;
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virtual void Visit(const ShaderNodes::Identifier& node) = 0;
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virtual void Visit(const ShaderNodes::IntrinsicCall& node) = 0;
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void Visit(const ShaderNodes::NodePtr& node);
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virtual void Visit(const ShaderNodes::Sample2D& node) = 0;
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virtual void Visit(const ShaderNodes::StatementBlock& node) = 0;
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virtual void Visit(const ShaderNodes::SwizzleOp& node) = 0;
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private:
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std::unordered_set<std::string> m_conditions;
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};
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}
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#endif
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