NazaraEngine/include/Nazara/Shader/ShaderBuilder.hpp

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2.9 KiB
C++

// Copyright (C) 2020 Jérôme Leclercq
// This file is part of the "Nazara Engine - Shader generator"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_SHADER_BUILDER_HPP
#define NAZARA_SHADER_BUILDER_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Shader/ShaderNodes.hpp>
#include <memory>
namespace Nz::ShaderBuilder
{
template<ShaderNodes::AssignType op>
struct AssignOpBuilder
{
constexpr AssignOpBuilder() = default;
std::shared_ptr<ShaderNodes::AssignOp> operator()(const ShaderNodes::ExpressionPtr& left, const ShaderNodes::ExpressionPtr& right) const;
};
template<ShaderNodes::BinaryType op>
struct BinOpBuilder
{
constexpr BinOpBuilder() = default;
std::shared_ptr<ShaderNodes::BinaryOp> operator()(const ShaderNodes::ExpressionPtr& left, const ShaderNodes::ExpressionPtr& right) const;
};
struct BuiltinBuilder
{
constexpr BuiltinBuilder() = default;
inline std::shared_ptr<ShaderNodes::Variable> operator()(ShaderNodes::BuiltinEntry builtin) const;
};
template<typename T>
struct GenBuilder
{
constexpr GenBuilder() = default;
template<typename... Args> std::shared_ptr<T> operator()(Args&&... args) const;
};
constexpr GenBuilder<ShaderNodes::AccessMember> AccessMember;
constexpr BinOpBuilder<ShaderNodes::BinaryType::Add> Add;
constexpr AssignOpBuilder<ShaderNodes::AssignType::Simple> Assign;
constexpr BuiltinBuilder Builtin;
constexpr GenBuilder<ShaderNodes::StatementBlock> Block;
constexpr GenBuilder<ShaderNodes::Branch> Branch;
constexpr GenBuilder<ShaderNodes::ConditionalExpression> ConditionalExpression;
constexpr GenBuilder<ShaderNodes::ConditionalStatement> ConditionalStatement;
constexpr GenBuilder<ShaderNodes::Constant> Constant;
constexpr GenBuilder<ShaderNodes::DeclareVariable> DeclareVariable;
constexpr BinOpBuilder<ShaderNodes::BinaryType::Divide> Divide;
constexpr BinOpBuilder<ShaderNodes::BinaryType::Equality> Equal;
constexpr GenBuilder<ShaderNodes::ExpressionStatement> ExprStatement;
constexpr GenBuilder<ShaderNodes::Identifier> Identifier;
constexpr GenBuilder<ShaderNodes::IntrinsicCall> IntrinsicCall;
constexpr GenBuilder<ShaderNodes::InputVariable> Input;
constexpr GenBuilder<ShaderNodes::LocalVariable> Local;
constexpr BinOpBuilder<ShaderNodes::BinaryType::Multiply> Multiply;
constexpr GenBuilder<ShaderNodes::OutputVariable> Output;
constexpr GenBuilder<ShaderNodes::ParameterVariable> Parameter;
constexpr GenBuilder<ShaderNodes::Sample2D> Sample2D;
constexpr GenBuilder<ShaderNodes::SwizzleOp> Swizzle;
constexpr BinOpBuilder<ShaderNodes::BinaryType::Substract> Substract;
constexpr GenBuilder<ShaderNodes::UniformVariable> Uniform;
template<ShaderNodes::BasicType Type, typename... Args> std::shared_ptr<ShaderNodes::Cast> Cast(Args&&... args);
}
#include <Nazara/Shader/ShaderBuilder.inl>
#endif // NAZARA_SHADER_BUILDER_HPP