/// <summary>
/// Get a POSIX file descriptor for a memory object.
/// </summary>
/// <param name="memory">The memory object from which the handle will be exported.</param>
/// <param name="handleType">The type of handle requested.</param>
/// <returns>A file descriptor representing the underlying resources of the device memory object.</returns>
/// <exception cref="VulkanException">Vulkan returns an error code.</exception>
public static int GetFdKhr(this DeviceMemory memory, ExternalMemoryHandleTypesKhr handleType)
{
int fd;
Result result = vkGetMemoryFdKHR(memory)(memory.Parent, memory, handleType, &fd);
VulkanException.ThrowForInvalidResult(result);
return(fd);
}
/// <summary>
/// Get a Windows HANDLE for a memory object.
/// </summary>
/// <param name="memory">The memory object from which the handle will be exported.</param>
/// <param name="handleType">The type of handle requested.</param>
/// <returns>The Windows handle representing the underlying resources of the device memory object.</returns>
/// <exception cref="VulkanException">Vulkan returns an error code.</exception>
public static IntPtr GetWin32HandleKhr(this DeviceMemory memory, ExternalMemoryHandleTypesKhr handleType)
{
IntPtr handle;
Result result = vkGetMemoryWin32HandleKHR(memory)(memory.Parent, memory, handleType, &handle);
VulkanException.ThrowForInvalidResult(result);
return(handle);
}
/// <summary>
/// Get properties of external memory file descriptors.
/// <para>
/// POSIX file descriptor memory handles compatible with Vulkan may also be created by
/// non-Vulkan APIs using methods beyond the scope of this specification.
/// </para>
/// </summary>
/// <param name="device">The logical device that will be importing <paramref name="fd"/>.</param>
/// <param name="handleType">The type of the handle <paramref name="fd"/>.</param>
/// <param name="fd">The handle which will be imported.</param>
/// <returns>Properties of the handle <paramref name="fd"/>.</returns>
/// <exception cref="VulkanException">Vulkan returns an error code.</exception>
public static MemoryFdPropertiesKhr GetMemoryFdPropertiesKhr(this Device device,
ExternalMemoryHandleTypesKhr handleType, int fd)
{
MemoryFdPropertiesKhr properties;
Result result = vkGetMemoryFdPropertiesKHR(device)(device, handleType, fd, &properties);
VulkanException.ThrowForInvalidResult(result);
return(properties);
}
/// <summary>
/// Get properties of external memory host pointer.
/// </summary>
/// <param name="device">The logical device that will be importing <paramref name="hostPointer"/>.</param>
/// <param name="handleType">The type of the handle <paramref name="hostPointer"/>.</param>
/// <param name="hostPointer">The host pointer to import from.</param>
/// <returns>Properties of external memory host pointer.</returns>
/// <exception cref="VulkanException">Vulkan returns an error code.</exception>
public static MemoryHostPointerPropertiesExt GetMemoryHostPointerPropertiesExt(this Device device,
ExternalMemoryHandleTypesKhr handleType, IntPtr hostPointer)
{
MemoryHostPointerPropertiesExt properties;
Result result = vkGetMemoryHostPointerPropertiesEXT(device)(device, handleType, hostPointer, &properties);
VulkanException.ThrowForInvalidResult(result);
return(properties);
}
