71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
// Copyright (C) 2016 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_SHADER_BUILDER_HPP
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#define NAZARA_SHADER_BUILDER_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Renderer/ShaderAst.hpp>
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#include <memory>
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namespace Nz { namespace ShaderBuilder
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{
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template<typename T>
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class GenBuilder
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{
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public:
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template<typename... Args>
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std::shared_ptr<T> operator()(Args&&... args) const
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{
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return std::make_shared<T>(std::forward<Args>(args)...);
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}
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};
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template<Nz::ShaderAst::AssignType op>
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class AssignOpBuilder
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{
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public:
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std::shared_ptr<Nz::ShaderAst::AssignOp> operator()(const Nz::ShaderAst::VariablePtr& left, const Nz::ShaderAst::ExpressionPtr& right) const
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{
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return std::make_shared<Nz::ShaderAst::AssignOp>(op, left, right);
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}
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};
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template<Nz::ShaderAst::BinaryType op>
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class BinOpBuilder
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{
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public:
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std::shared_ptr<Nz::ShaderAst::BinaryOp> operator()(const Nz::ShaderAst::ExpressionPtr& left, const Nz::ShaderAst::ExpressionPtr& right) const
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{
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return std::make_shared<Nz::ShaderAst::BinaryOp>(op, left, right);
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}
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};
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template<Nz::ShaderAst::VariableType type>
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class VarBuilder
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{
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public:
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template<typename... Args>
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std::shared_ptr<Nz::ShaderAst::Variable> operator()(Args&&... args) const
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{
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return std::make_shared<Nz::ShaderAst::Variable>(type, std::forward<Args>(args)...);
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}
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};
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constexpr BinOpBuilder<Nz::ShaderAst::BinaryType::Add> Add;
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constexpr AssignOpBuilder<Nz::ShaderAst::AssignType::Simple> Assign;
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constexpr BinOpBuilder<Nz::ShaderAst::BinaryType::Equality> Equal;
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constexpr GenBuilder<Nz::ShaderAst::StatementBlock> Block;
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constexpr GenBuilder<Nz::ShaderAst::Branch> Branch;
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constexpr GenBuilder<Nz::ShaderAst::Constant> Constant;
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constexpr GenBuilder<Nz::ShaderAst::ExpressionStatement> ExprStatement;
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constexpr VarBuilder<Nz::ShaderAst::VariableType::Variable> Variable;
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} }
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#include <Nazara/Renderer/ShaderBuilder.inl>
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#endif // NAZARA_SHADER_BUILDER_HPP
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