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aux/vk: Add functions to create semaphores from FDs

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Benjamin Saunders 2020-05-31 19:00:56 -07:00 committed by Jakob Bornecrantz
parent 3f744331e1
commit fe734bb6e2
2 changed files with 43 additions and 0 deletions
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34
src/xrt/auxiliary/vk/vk_helpers.c
View file

@ -346,6 +346,38 @@ vk_create_image_from_fd(struct vk_bundle *vk,
return ret;
}
VkResult
vk_create_semaphore_from_fd(struct vk_bundle *vk, int fd, VkSemaphore *out_sem)
{
VkResult ret;
VkSemaphoreCreateInfo semaphore_create_info = {
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
};
ret = vk->vkCreateSemaphore(vk->device, &semaphore_create_info, NULL,
out_sem);
if (ret != VK_SUCCESS) {
VK_ERROR(vk, "vkCreateSemaphore: %s", vk_result_string(ret));
// Nothing to cleanup
return ret;
}
VkImportSemaphoreFdInfoKHR import_semaphore_fd_info = {
.sType = VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_FD_INFO_KHR,
.semaphore = *out_sem,
.handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT,
.fd = fd,
};
ret = vk->vkImportSemaphoreFdKHR(vk->device, &import_semaphore_fd_info);
if (ret != VK_SUCCESS) {
VK_ERROR(vk, "vkImportSemaphoreFdKHR: %s",
vk_result_string(ret));
vk->vkDestroySemaphore(vk->device, *out_sem, NULL);
return ret;
}
return ret;
}
VkResult
vk_create_sampler(struct vk_bundle *vk, VkSampler *out_sampler)
{
@ -705,6 +737,8 @@ vk_get_device_functions(struct vk_bundle *vk)
vk->vkGetSwapchainImagesKHR = GET_DEV_PROC(vk, vkGetSwapchainImagesKHR);
vk->vkAcquireNextImageKHR = GET_DEV_PROC(vk, vkAcquireNextImageKHR);
vk->vkQueuePresentKHR = GET_DEV_PROC(vk, vkQueuePresentKHR);
vk->vkImportSemaphoreFdKHR = GET_DEV_PROC(vk, vkImportSemaphoreFdKHR);
vk->vkGetSemaphoreFdKHR = GET_DEV_PROC(vk, vkGetSemaphoreFdKHR);
// clang-format on
return VK_SUCCESS;

9
src/xrt/auxiliary/vk/vk_helpers.h
View file

@ -178,6 +178,9 @@ struct vk_bundle
PFN_vkGetSwapchainImagesKHR vkGetSwapchainImagesKHR;
PFN_vkAcquireNextImageKHR vkAcquireNextImageKHR;
PFN_vkQueuePresentKHR vkQueuePresentKHR;
PFN_vkImportSemaphoreFdKHR vkImportSemaphoreFdKHR;
PFN_vkGetSemaphoreFdKHR vkGetSemaphoreFdKHR;
// clang-format on
};
@ -351,6 +354,12 @@ vk_create_image_from_fd(struct vk_bundle *vk,
VkImage *out_image,
VkDeviceMemory *out_mem);
/*!
* @ingroup aux_vk
*/
VkResult
vk_create_semaphore_from_fd(struct vk_bundle *vk, int fd, VkSemaphore *out_sem);
/*!
* @ingroup aux_vk
*/