libcruft-vk/device_memory.cpp

115 lines
2.8 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright:
* 2016-2017 Danny Robson <danny@nerdcruft.net>
*/
#include "./device_memory.hpp"
#include "./device.hpp"
using cruft::vk::device_memory;
///////////////////////////////////////////////////////////////////////////////
cruft::vk::map_t::~map_t ()
{
CHECK_ZERO (cbegin ());
CHECK_ZERO (cend ());
}
//-----------------------------------------------------------------------------
cruft::vk::map_t&
cruft::vk::map_t::operator= (std::nullptr_t ptr)
{
util::view<std::byte*>::operator= (ptr);
return *this;
}
//-----------------------------------------------------------------------------
void
cruft::vk::map_t::destroy (device &_device, device_memory &_memory)
{
CHECK_NEZ (cbegin ());
CHECK_NEZ (cend ());
vkUnmapMemory (_device.native (), _memory.native ());
*this = nullptr;
}
///////////////////////////////////////////////////////////////////////////////
cruft::vk::map_t
cruft::vk::map (device &_device, device_memory &_memory, int len)
{
void *ptr = nullptr;
auto err = vkMapMemory (_device.native (), _memory.native (), 0, len, 0, &ptr);
error::try_code (err);
return {
reinterpret_cast<std::byte*> (ptr),
reinterpret_cast<std::byte*> (ptr) + len
};
}
///////////////////////////////////////////////////////////////////////////////
cruft::vk::owned_map_t::owned_map_t (owned_ptr<device_memory> &_memory,
std::byte *first,
std::byte *last):
map_t (first, last),
m_memory (_memory)
{ ; }
//-----------------------------------------------------------------------------
cruft::vk::owned_map_t::~owned_map_t ()
{
destroy ();
}
//-----------------------------------------------------------------------------
void
cruft::vk::owned_map_t::destroy ()
{
if (cbegin ())
map_t::destroy (m_memory.owner (), *m_memory);
}
///////////////////////////////////////////////////////////////////////////////
cruft::vk::owned_map_t
cruft::vk::map (owned_ptr<device_memory> &_memory, int len)
{
void *ptr = nullptr;
auto err = vkMapMemory (_memory.owner ().native (), _memory->native (), 0, len, 0, &ptr);
error::try_code (err);
return owned_map_t {
_memory,
reinterpret_cast<std::byte*> (ptr),
reinterpret_cast<std::byte*> (ptr) + len
};
};
///////////////////////////////////////////////////////////////////////////////
VkDeviceSize
device_memory::commitment (const device &dev) const
{
VkDeviceSize size;
vkGetDeviceMemoryCommitment (dev.native (), native (), &size);
return size;
}