70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Shader generator"
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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_SPIRVASTVISITOR_HPP
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#define NAZARA_SPIRVASTVISITOR_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Shader/Config.hpp>
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#include <Nazara/Shader/ShaderAstExpressionVisitorExcept.hpp>
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#include <Nazara/Shader/ShaderAstStatementVisitorExcept.hpp>
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#include <Nazara/Shader/SpirvBlock.hpp>
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#include <vector>
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namespace Nz
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{
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class SpirvWriter;
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class NAZARA_SHADER_API SpirvAstVisitor : public ShaderAst::ExpressionVisitorExcept, public ShaderAst::StatementVisitorExcept
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{
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public:
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inline SpirvAstVisitor(SpirvWriter& writer, std::vector<SpirvBlock>& blocks, ShaderAst::AstCache* cache);
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SpirvAstVisitor(const SpirvAstVisitor&) = delete;
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SpirvAstVisitor(SpirvAstVisitor&&) = delete;
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~SpirvAstVisitor() = default;
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UInt32 EvaluateExpression(ShaderAst::ExpressionPtr& expr);
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using ExpressionVisitorExcept::Visit;
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using StatementVisitorExcept::Visit;
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void Visit(ShaderAst::AccessMemberExpression& node) override;
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void Visit(ShaderAst::AssignExpression& node) override;
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void Visit(ShaderAst::BinaryExpression& node) override;
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void Visit(ShaderAst::BranchStatement& node) override;
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void Visit(ShaderAst::CastExpression& node) override;
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void Visit(ShaderAst::ConditionalExpression& node) override;
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void Visit(ShaderAst::ConditionalStatement& node) override;
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void Visit(ShaderAst::ConstantExpression& node) override;
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void Visit(ShaderAst::DeclareVariableStatement& node) override;
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void Visit(ShaderAst::DiscardStatement& node) override;
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void Visit(ShaderAst::ExpressionStatement& node) override;
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void Visit(ShaderAst::IdentifierExpression& node) override;
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void Visit(ShaderAst::IntrinsicExpression& node) override;
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void Visit(ShaderAst::MultiStatement& node) override;
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void Visit(ShaderAst::NoOpStatement& node) override;
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void Visit(ShaderAst::ReturnStatement& node) override;
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void Visit(ShaderAst::SwizzleExpression& node) override;
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SpirvAstVisitor& operator=(const SpirvAstVisitor&) = delete;
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SpirvAstVisitor& operator=(SpirvAstVisitor&&) = delete;
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private:
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void PushResultId(UInt32 value);
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UInt32 PopResultId();
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ShaderAst::AstCache* m_cache;
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std::vector<SpirvBlock>& m_blocks;
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std::vector<UInt32> m_resultIds;
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SpirvBlock* m_currentBlock;
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SpirvWriter& m_writer;
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};
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}
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#include <Nazara/Shader/SpirvAstVisitor.inl>
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#endif
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