64 lines
1.7 KiB
C++
64 lines
1.7 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_SPIRVEXPRESSIONLOADACCESSMEMBER_HPP
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#define NAZARA_SPIRVEXPRESSIONLOADACCESSMEMBER_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 <Nazara/Shader/SpirvData.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 SpirvExpressionLoad : public ShaderAstVisitorExcept, public ShaderVarVisitorExcept
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{
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public:
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inline SpirvExpressionLoad(SpirvWriter& writer);
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SpirvExpressionLoad(const SpirvExpressionLoad&) = delete;
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SpirvExpressionLoad(SpirvExpressionLoad&&) = delete;
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~SpirvExpressionLoad() = default;
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UInt32 Evaluate(ShaderNodes::Expression& node);
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using ShaderAstVisitor::Visit;
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void Visit(ShaderNodes::AccessMember& node) override;
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void Visit(ShaderNodes::Identifier& node) override;
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using ShaderVarVisitor::Visit;
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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::UniformVariable& var) override;
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SpirvExpressionLoad& operator=(const SpirvExpressionLoad&) = delete;
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SpirvExpressionLoad& operator=(SpirvExpressionLoad&&) = delete;
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private:
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struct Pointer
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{
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SpirvStorageClass storage;
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UInt32 resultId;
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UInt32 pointedTypeId;
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};
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struct Value
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{
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UInt32 resultId;
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};
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SpirvWriter& m_writer;
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std::variant<std::monostate, Pointer, Value> m_value;
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};
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}
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#include <Nazara/Shader/SpirvExpressionLoad.inl>
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#endif
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