+VkResult
+tu_ImportSemaphoreFdKHR(VkDevice _device,
+ const VkImportSemaphoreFdInfoKHR *pImportSemaphoreFdInfo)
+{
+ TU_FROM_HANDLE(tu_device, device, _device);
+ TU_FROM_HANDLE(tu_semaphore, sem, pImportSemaphoreFdInfo->semaphore);
+ int ret;
+ struct tu_semaphore_part *dst = NULL;
+
+ if (pImportSemaphoreFdInfo->flags & VK_SEMAPHORE_IMPORT_TEMPORARY_BIT) {
+ dst = &sem->temporary;
+ } else {
+ dst = &sem->permanent;
+ }
+
+ uint32_t syncobj = dst->kind == TU_SEMAPHORE_SYNCOBJ ? dst->syncobj : 0;
+
+ switch(pImportSemaphoreFdInfo->handleType) {
+ case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT: {
+ uint32_t old_syncobj = syncobj;
+ ret = drmSyncobjFDToHandle(device->physical_device->local_fd, pImportSemaphoreFdInfo->fd, &syncobj);
+ if (ret == 0) {
+ close(pImportSemaphoreFdInfo->fd);
+ if (old_syncobj)
+ drmSyncobjDestroy(device->physical_device->local_fd, old_syncobj);
+ }
+ break;
+ }
+ case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT: {
+ if (!syncobj) {
+ ret = drmSyncobjCreate(device->physical_device->local_fd, 0, &syncobj);
+ if (ret)
+ break;
+ }
+ if (pImportSemaphoreFdInfo->fd == -1) {
+ ret = drmSyncobjSignal(device->physical_device->local_fd, &syncobj, 1);
+ } else {
+ ret = drmSyncobjImportSyncFile(device->physical_device->local_fd, syncobj, pImportSemaphoreFdInfo->fd);
+ }
+ if (!ret)
+ close(pImportSemaphoreFdInfo->fd);
+ break;
+ }
+ default:
+ unreachable("Unhandled semaphore handle type");
+ }
+
+ if (ret) {
+ return VK_ERROR_INVALID_EXTERNAL_HANDLE;
+ }
+ dst->syncobj = syncobj;
+ dst->kind = TU_SEMAPHORE_SYNCOBJ;
+
+ return VK_SUCCESS;
+}
+
+VkResult
+tu_GetSemaphoreFdKHR(VkDevice _device,
+ const VkSemaphoreGetFdInfoKHR *pGetFdInfo,
+ int *pFd)
+{
+ TU_FROM_HANDLE(tu_device, device, _device);
+ TU_FROM_HANDLE(tu_semaphore, sem, pGetFdInfo->semaphore);
+ int ret;
+ uint32_t syncobj_handle;
+
+ if (sem->temporary.kind != TU_SEMAPHORE_NONE) {
+ assert(sem->temporary.kind == TU_SEMAPHORE_SYNCOBJ);
+ syncobj_handle = sem->temporary.syncobj;
+ } else {
+ assert(sem->permanent.kind == TU_SEMAPHORE_SYNCOBJ);
+ syncobj_handle = sem->permanent.syncobj;
+ }
+
+ switch(pGetFdInfo->handleType) {
+ case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT:
+ ret = drmSyncobjHandleToFD(device->physical_device->local_fd, syncobj_handle, pFd);
+ break;
+ case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT:
+ ret = drmSyncobjExportSyncFile(device->physical_device->local_fd, syncobj_handle, pFd);
+ if (!ret) {
+ if (sem->temporary.kind != TU_SEMAPHORE_NONE) {
+ tu_semaphore_part_destroy(device, &sem->temporary);
+ } else {
+ drmSyncobjReset(device->physical_device->local_fd, &syncobj_handle, 1);
+ }
+ }
+ break;
+ default:
+ unreachable("Unhandled semaphore handle type");
+ }
+
+ if (ret)
+ return vk_error(device->instance, VK_ERROR_INVALID_EXTERNAL_HANDLE);
+ return VK_SUCCESS;
+}
+
+
+static bool tu_has_syncobj(struct tu_physical_device *pdev)
+{
+ uint64_t value;
+ if (drmGetCap(pdev->local_fd, DRM_CAP_SYNCOBJ, &value))
+ return false;
+ return value && pdev->msm_major_version == 1 && pdev->msm_minor_version >= 6;
+}
+