NazaraEngine/include/Nazara/Utility/BufferMapper.inl

79 lines
1.7 KiB
C++

// Copyright (C) 2013 Jérôme Leclercq
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Utility/BufferMapper.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/Debug.hpp>
template<typename T>
NzBufferMapper<T>::NzBufferMapper(T* buffer, nzBufferAccess access, unsigned int offset, unsigned int length) :
m_buffer(buffer)
{
if (m_buffer)
{
m_ptr = buffer->Map(access, offset, length);
if (!m_ptr)
NazaraError("Failed to map buffer"); ///TODO: Unexpected
}
else
m_ptr = nullptr;
}
template<typename T>
NzBufferMapper<T>::NzBufferMapper(T& buffer, nzBufferAccess access, unsigned int offset, unsigned int length) :
NzBufferMapper(&buffer, access, offset, length)
{
}
template<typename T>
NzBufferMapper<T>::NzBufferMapper(const T* buffer, nzBufferAccess access, unsigned int offset, unsigned int length) :
m_buffer(buffer)
{
if (m_buffer)
{
m_ptr = buffer->Map(access, offset, length);
if (!m_ptr)
NazaraError("Failed to map buffer"); ///TODO: Unexpected
}
else
m_ptr = nullptr;
}
template<typename T>
NzBufferMapper<T>::NzBufferMapper(const T& buffer, nzBufferAccess access, unsigned int offset, unsigned int length) :
NzBufferMapper(&buffer, access, offset, length)
{
}
template<typename T>
NzBufferMapper<T>::~NzBufferMapper()
{
if (m_buffer)
m_buffer->Unmap();
}
template<typename T>
const T* NzBufferMapper<T>::GetBuffer() const
{
return m_buffer;
}
template<typename T>
void* NzBufferMapper<T>::GetPointer() const
{
return m_ptr;
}
template<typename T>
void NzBufferMapper<T>::Unmap()
{
if (m_buffer)
{
m_buffer->Unmap();
m_buffer = nullptr;
}
}
#include <Nazara/Core/DebugOff.hpp>