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Move FieldOffsets class to Shader module and remove Utility dependency

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SirLynix
2022-04-04 19:22:18 +02:00
parent 998bcde2e2
commit 68d2dfcae6
21 changed files with 117 additions and 93 deletions
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174
include/Nazara/Shader/FieldOffsets.inl Normal file
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// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Shader module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Shader/FieldOffsets.hpp>
#include <Nazara/Core/Algorithm.hpp>
#include <cassert>
#include <memory>
#include <Nazara/Shader/Debug.hpp>
namespace Nz
{
inline FieldOffsets::FieldOffsets(StructLayout layout) :
m_largestFieldAlignment(1),
m_offsetRounding(1),
m_size(0),
m_layout(layout)
{
}
inline std::size_t FieldOffsets::GetLargestFieldAlignement() const
{
return m_largestFieldAlignment;
}
inline StructLayout FieldOffsets::GetLayout() const
{
return m_layout;
}
inline std::size_t FieldOffsets::GetAlignedSize() const
{
if (m_layout == StructLayout::Std140)
return Align(m_size, m_largestFieldAlignment);
else
return m_size;
}
inline std::size_t FieldOffsets::GetSize() const
{
return m_size;
}
inline std::size_t FieldOffsets::GetAlignement(StructLayout layout, StructFieldType fieldType)
{
switch (layout)
{
case StructLayout::Packed:
return 1;
case StructLayout::Std140:
{
switch (fieldType)
{
case StructFieldType::Bool1:
case StructFieldType::Float1:
case StructFieldType::Int1:
case StructFieldType::UInt1:
return 4;
case StructFieldType::Bool2:
case StructFieldType::Float2:
case StructFieldType::Int2:
case StructFieldType::UInt2:
return 2 * 4;
case StructFieldType::Bool3:
case StructFieldType::Float3:
case StructFieldType::Int3:
case StructFieldType::UInt3:
case StructFieldType::Bool4:
case StructFieldType::Float4:
case StructFieldType::Int4:
case StructFieldType::UInt4:
return 4 * 4;
case StructFieldType::Double1:
return 8;
case StructFieldType::Double2:
return 2 * 8;
case StructFieldType::Double3:
case StructFieldType::Double4:
return 4 * 8;
}
}
}
return 0;
}
inline std::size_t FieldOffsets::GetCount(StructFieldType fieldType)
{
switch (fieldType)
{
case StructFieldType::Bool1:
case StructFieldType::Double1:
case StructFieldType::Float1:
case StructFieldType::Int1:
case StructFieldType::UInt1:
return 1;
case StructFieldType::Bool2:
case StructFieldType::Double2:
case StructFieldType::Float2:
case StructFieldType::Int2:
case StructFieldType::UInt2:
return 2;
case StructFieldType::Bool3:
case StructFieldType::Double3:
case StructFieldType::Float3:
case StructFieldType::Int3:
case StructFieldType::UInt3:
return 3;
case StructFieldType::Bool4:
case StructFieldType::Double4:
case StructFieldType::Float4:
case StructFieldType::Int4:
case StructFieldType::UInt4:
return 4;
}
return 0;
}
inline std::size_t FieldOffsets::GetSize(StructFieldType fieldType)
{
switch (fieldType)
{
case StructFieldType::Bool1:
case StructFieldType::Float1:
case StructFieldType::Int1:
case StructFieldType::UInt1:
return 4;
case StructFieldType::Bool2:
case StructFieldType::Float2:
case StructFieldType::Int2:
case StructFieldType::UInt2:
return 2 * 4;
case StructFieldType::Bool3:
case StructFieldType::Float3:
case StructFieldType::Int3:
case StructFieldType::UInt3:
return 3 * 4;
case StructFieldType::Bool4:
case StructFieldType::Float4:
case StructFieldType::Int4:
case StructFieldType::UInt4:
return 4 * 4;
case StructFieldType::Double1:
return 8;
case StructFieldType::Double2:
return 2 * 8;
case StructFieldType::Double3:
return 3 * 8;
case StructFieldType::Double4:
return 4 * 8;
}
return 0;
}
}
#include <Nazara/Shader/DebugOff.hpp>