vkImportSemaphoreFdKHR

To import a semaphore payload from a POSIX file descriptor, call:

VkResult vkImportSemaphoreFdKHR(
    VkDevice device,
    const VkImportSemaphoreFdInfoKHR* pImportSemaphoreFdInfo);

pub fn import_semaphore_fd_khr(
    device: vk::Device,
    p_import_semaphore_fd_info: *const vk::ImportSemaphoreFdInfoKHR,
) -> vk::Result;

• device is the logical device that created the semaphore.
• pImportSemaphoreFdInfo is a pointer to a VkImportSemaphoreFdInfoKHR structure specifying the semaphore and import parameters.

Importing a semaphore payload from a file descriptor transfers ownership of the file descriptor from the application to the Vulkan implementation. The application must not perform any operations on the file descriptor after a successful import.

Applications can import the same semaphore payload into multiple instances of Vulkan, into the same instance from which it was exported, and multiple times into a given Vulkan instance.