136 lines
3.0 KiB
C++
136 lines
3.0 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/BufferMapper.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Utility/Config.hpp>
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#include <Nazara/Utility/Debug.hpp>
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namespace Nz
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{
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template<typename T>
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BufferMapper<T>::BufferMapper() :
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m_buffer(nullptr),
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m_ptr(nullptr)
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{
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}
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template<typename T>
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BufferMapper<T>::BufferMapper(T* buffer, BufferAccess access, unsigned int offset, unsigned int length) :
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m_buffer(nullptr)
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{
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if (!Map(buffer, access, offset, length))
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NazaraError("Failed to map buffer"); ///TODO: Unexpected
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}
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template<typename T>
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BufferMapper<T>::BufferMapper(T& buffer, BufferAccess access, unsigned int offset, unsigned int length) :
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BufferMapper(&buffer, access, offset, length)
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{
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}
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template<typename T>
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BufferMapper<T>::BufferMapper(const T* buffer, BufferAccess access, unsigned int offset, unsigned int length) :
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m_buffer(nullptr)
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{
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if (!Map(buffer, access, offset, length))
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NazaraError("Failed to map buffer"); ///TODO: Unexpected
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}
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template<typename T>
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BufferMapper<T>::BufferMapper(const T& buffer, BufferAccess access, unsigned int offset, unsigned int length) :
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BufferMapper(&buffer, access, offset, length)
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{
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}
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template<typename T>
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BufferMapper<T>::~BufferMapper()
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{
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if (m_buffer)
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m_buffer->Unmap();
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}
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template<typename T>
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const T* BufferMapper<T>::GetBuffer() const
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{
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return m_buffer;
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}
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template<typename T>
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void* BufferMapper<T>::GetPointer() const
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{
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return m_ptr;
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}
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template<typename T>
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bool BufferMapper<T>::Map(T* buffer, BufferAccess access, unsigned int offset, unsigned int length)
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{
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Unmap();
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#if NAZARA_UTILITY_SAFE
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if (!buffer)
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{
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NazaraError("Buffer must be valid");
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m_ptr = nullptr;
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return false;
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}
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#endif
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m_buffer = buffer;
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m_ptr = buffer->Map(access, offset, length);
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if (!m_ptr)
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NazaraError("Failed to map buffer"); ///TODO: Unexpected
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return true;
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}
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template<typename T>
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bool BufferMapper<T>::Map(T& buffer, BufferAccess access, unsigned int offset, unsigned int length)
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{
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return Map(&buffer, access, offset, length);
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}
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template<typename T>
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bool BufferMapper<T>::Map(const T* buffer, BufferAccess access, unsigned int offset, unsigned int length)
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{
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Unmap();
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#if NAZARA_UTILITY_SAFE
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if (!buffer)
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{
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NazaraError("Buffer must be valid");
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m_ptr = nullptr;
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return false;
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}
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#endif
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m_buffer = buffer;
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m_ptr = buffer->Map(access, offset, length);
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if (!m_ptr)
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NazaraError("Failed to map buffer"); ///TODO: Unexpected
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return true;
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}
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template<typename T>
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bool BufferMapper<T>::Map(const T& buffer, BufferAccess access, unsigned int offset, unsigned int length)
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{
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return Map(&buffer, access, offset, length);
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}
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template<typename T>
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void BufferMapper<T>::Unmap()
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{
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if (m_buffer)
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{
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m_buffer->Unmap();
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m_buffer = nullptr;
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}
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}
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}
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#include <Nazara/Utility/DebugOff.hpp>
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