libcruft-vk/device_memory.cpp

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright:
 *      2016, Danny Robson <danny@nerdcruft.net>
 */

#include "./device_memory.hpp"

#include "./device.hpp"

using vk::device_memory;


///////////////////////////////////////////////////////////////////////////////
void*
device_memory::map (const device &dev,
                    VkDeviceSize offset,
                    VkDeviceSize size,
                    VkMemoryMapFlags flags)
{
    void *res;

    auto err = vkMapMemory (dev.id (), id (), offset, size, flags, &res);
    error::try_code (err);

    return res;
}


//-----------------------------------------------------------------------------
void
device_memory::unmap (const device &dev)
{
    vkUnmapMemory (dev.id (), id ());
}


///////////////////////////////////////////////////////////////////////////////
VkDeviceSize
device_memory::commitment (const device &dev) const
{
    VkDeviceSize size;
    vkGetDeviceMemoryCommitment (dev.id (), id (), &size);
    return size;
}