55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Shader 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_FIELDOFFSETS_HPP
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#define NAZARA_SHADER_FIELDOFFSETS_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/Enums.hpp>
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#include <cstddef>
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namespace Nz
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{
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class NAZARA_SHADER_API FieldOffsets
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{
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public:
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inline FieldOffsets(StructLayout layout);
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FieldOffsets(const FieldOffsets&) = default;
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FieldOffsets(FieldOffsets&&) = default;
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~FieldOffsets() = default;
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std::size_t AddField(StructFieldType type);
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std::size_t AddFieldArray(StructFieldType type, std::size_t arraySize);
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std::size_t AddMatrix(StructFieldType cellType, unsigned int columns, unsigned int rows, bool columnMajor);
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std::size_t AddMatrixArray(StructFieldType cellType, unsigned int columns, unsigned int rows, bool columnMajor, std::size_t arraySize);
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std::size_t AddStruct(const FieldOffsets& fieldStruct);
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std::size_t AddStructArray(const FieldOffsets& fieldStruct, std::size_t arraySize);
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inline std::size_t GetAlignedSize() const;
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inline std::size_t GetLargestFieldAlignement() const;
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inline StructLayout GetLayout() const;
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inline std::size_t GetSize() const;
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FieldOffsets& operator=(const FieldOffsets&) = default;
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FieldOffsets& operator=(FieldOffsets&&) = default;
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static std::size_t GetAlignement(StructLayout layout, StructFieldType fieldType);
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static std::size_t GetCount(StructFieldType fieldType);
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static std::size_t GetSize(StructFieldType fieldType);
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private:
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std::size_t m_largestFieldAlignment;
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std::size_t m_offsetRounding;
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std::size_t m_size;
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StructLayout m_layout;
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};
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}
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#include <Nazara/Shader/FieldOffsets.inl>
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#endif // NAZARA_SHADER_FIELDOFFSETS_HPP
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