62 lines
2.0 KiB
C++
62 lines
2.0 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_SPIRVEXPRESSIONLOAD_HPP
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#define NAZARA_SPIRVEXPRESSIONLOAD_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/ShaderAstVisitorExcept.hpp>
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#include <Nazara/Shader/ShaderVarVisitorExcept.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 ShaderAstVisitorExcept
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{
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public:
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inline SpirvAstVisitor(SpirvWriter& writer);
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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(const ShaderNodes::ExpressionPtr& expr);
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using ShaderAstVisitorExcept::Visit;
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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::Cast& node) override;
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void Visit(ShaderNodes::ConditionalExpression& node) override;
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void Visit(ShaderNodes::ConditionalStatement& 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::Discard& 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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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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std::vector<UInt32> m_resultIds;
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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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