68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
|
|
// This file is part of the "Nazara Engine - Utility module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#include <Nazara/Utility/UniformBuffer.hpp>
|
|
#include <Nazara/Core/Error.hpp>
|
|
#include <Nazara/Core/ErrorFlags.hpp>
|
|
#include <Nazara/Utility/Config.hpp>
|
|
#include <Nazara/Utility/Debug.hpp>
|
|
|
|
namespace Nz
|
|
{
|
|
UniformBuffer::UniformBuffer(std::shared_ptr<Buffer> buffer) :
|
|
m_buffer(std::move(buffer)),
|
|
m_startOffset(0)
|
|
{
|
|
NazaraAssert(m_buffer, "invalid buffer");
|
|
NazaraAssert(m_buffer->GetType() == BufferType::Uniform, "buffer must be an uniform buffer");
|
|
|
|
m_endOffset = m_buffer->GetSize();
|
|
}
|
|
|
|
UniformBuffer::UniformBuffer(std::shared_ptr<Buffer> buffer, UInt64 offset, UInt64 size) :
|
|
m_buffer(std::move(buffer)),
|
|
m_endOffset(size),
|
|
m_startOffset(offset)
|
|
{
|
|
}
|
|
|
|
UniformBuffer::UniformBuffer(UInt64 size, BufferUsageFlags usage, const BufferFactory& bufferFactory, const void* initialData) :
|
|
m_endOffset(size),
|
|
m_startOffset(0)
|
|
{
|
|
NazaraAssert(size > 0, "invalid size");
|
|
|
|
m_buffer = bufferFactory(BufferType::Uniform, size, usage, initialData);
|
|
}
|
|
|
|
bool UniformBuffer::Fill(const void* data, UInt64 offset, UInt64 size)
|
|
{
|
|
NazaraAssert(m_buffer, "Invalid buffer");
|
|
NazaraAssert(m_startOffset + offset + size <= m_endOffset, "Exceeding virtual buffer size");
|
|
|
|
return m_buffer->Fill(data, m_startOffset + offset, size);
|
|
}
|
|
|
|
void* UniformBuffer::Map(UInt64 offset, UInt64 size)
|
|
{
|
|
NazaraAssert(m_buffer, "Invalid buffer");
|
|
NazaraAssert(m_startOffset + offset + size <= m_endOffset, "Exceeding virtual buffer size");
|
|
|
|
return m_buffer->Map(m_startOffset + offset, size);
|
|
}
|
|
|
|
void* UniformBuffer::Map(UInt64 offset, UInt64 size) const
|
|
{
|
|
NazaraAssert(m_buffer, "Invalid buffer");
|
|
NazaraAssert(m_startOffset + offset + size <= m_endOffset, "Exceeding virtual buffer size");
|
|
|
|
return m_buffer->Map(m_startOffset + offset, size);
|
|
}
|
|
|
|
void UniformBuffer::Unmap() const
|
|
{
|
|
m_buffer->Unmap();
|
|
}
|
|
}
|