--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/semiconginev2/old/vulkan/syncing.nim	Wed Jul 17 21:01:37 2024 +0700
@@ -0,0 +1,51 @@
+import ../core
+import ./device
+
+type
+  Semaphore* = object
+    vk*: VkSemaphore
+    device: Device
+  Fence* = object
+    vk*: VkFence
+    device: Device
+    awaitAction: proc() = nil
+
+proc CreateSemaphore*(device: Device): Semaphore =
+  assert device.vk.Valid
+  var semaphoreInfo = VkSemaphoreCreateInfo(sType: VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO)
+  result.device = device
+  checkVkResult device.vk.vkCreateSemaphore(addr(semaphoreInfo), nil, addr(result.vk))
+
+proc CreateFence*(device: Device, awaitAction: proc() = nil): Fence =
+  assert device.vk.Valid
+  var fenceInfo = VkFenceCreateInfo(
+    sType: VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
+    flags: toBits [VK_FENCE_CREATE_SIGNALED_BIT]
+  )
+  result.device = device
+  result.awaitAction = awaitAction
+  checkVkResult device.vk.vkCreateFence(addr(fenceInfo), nil, addr(result.vk))
+
+proc Await*(fence: var Fence) =
+  assert fence.device.vk.Valid
+  assert fence.vk.Valid
+  checkVkResult vkWaitForFences(fence.device.vk, 1, addr fence.vk, false, high(uint64))
+  if fence.awaitAction != nil:
+    fence.awaitAction()
+
+proc Reset*(fence: var Fence) =
+  assert fence.device.vk.Valid
+  assert fence.vk.Valid
+  checkVkResult fence.device.vk.vkResetFences(1, addr fence.vk)
+
+proc Destroy*(semaphore: var Semaphore) =
+  assert semaphore.device.vk.Valid
+  assert semaphore.vk.Valid
+  semaphore.device.vk.vkDestroySemaphore(semaphore.vk, nil)
+  semaphore.vk.Reset
+
+proc Destroy*(fence: var Fence) =
+  assert fence.device.vk.Valid
+  assert fence.vk.Valid
+  fence.device.vk.vkDestroyFence(fence.vk, nil)
+  fence.vk.Reset