81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
// Copyright (C) 2020 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/Prerequisites.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<ShaderAst::AssignType op>
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struct AssignOpBuilder
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{
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constexpr AssignOpBuilder() {}
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std::shared_ptr<ShaderAst::AssignOp> operator()(const ShaderAst::ExpressionPtr& left, const ShaderAst::ExpressionPtr& right) const;
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};
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template<ShaderAst::BinaryType op>
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struct BinOpBuilder
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{
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constexpr BinOpBuilder() {}
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std::shared_ptr<ShaderAst::BinaryOp> operator()(const ShaderAst::ExpressionPtr& left, const ShaderAst::ExpressionPtr& right) const;
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};
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struct BuiltinBuilder
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{
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constexpr BuiltinBuilder() {}
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inline std::shared_ptr<ShaderAst::Variable> operator()(ShaderAst::BuiltinEntry builtin) const;
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};
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template<typename T>
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struct GenBuilder
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{
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constexpr GenBuilder() {}
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template<typename... Args> std::shared_ptr<T> operator()(Args&&... args) const;
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};
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template<ShaderAst::VariableType type>
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struct VarBuilder
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{
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constexpr VarBuilder() {}
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template<typename... Args> std::shared_ptr<ShaderAst::Variable> operator()(Args&&... args) const;
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};
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constexpr BinOpBuilder<ShaderAst::BinaryType::Add> Add;
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constexpr AssignOpBuilder<ShaderAst::AssignType::Simple> Assign;
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constexpr BuiltinBuilder Builtin;
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constexpr GenBuilder<ShaderAst::StatementBlock> Block;
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constexpr GenBuilder<ShaderAst::Branch> Branch;
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constexpr GenBuilder<ShaderAst::ConditionalStatement> ConditionalStatement;
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constexpr GenBuilder<ShaderAst::Constant> Constant;
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constexpr BinOpBuilder<ShaderAst::BinaryType::Divide> Divide;
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constexpr BinOpBuilder<ShaderAst::BinaryType::Equality> Equal;
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constexpr GenBuilder<ShaderAst::ExpressionStatement> ExprStatement;
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constexpr VarBuilder<ShaderAst::VariableType::Input> Input;
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constexpr BinOpBuilder<ShaderAst::BinaryType::Multiply> Multiply;
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constexpr VarBuilder<ShaderAst::VariableType::Output> Output;
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constexpr VarBuilder<ShaderAst::VariableType::Parameter> Parameter;
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constexpr GenBuilder<ShaderAst::Sample2D> Sample2D;
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constexpr GenBuilder<ShaderAst::SwizzleOp> Swizzle;
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constexpr BinOpBuilder<ShaderAst::BinaryType::Substract> Substract;
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constexpr VarBuilder<ShaderAst::VariableType::Uniform> Uniform;
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constexpr VarBuilder<ShaderAst::VariableType::Variable> Variable;
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template<ShaderAst::ExpressionType Type, typename... Args> std::shared_ptr<ShaderAst::Cast> Cast(Args&&... args);
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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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