From 20c48fd7008404563d2f2e2897e78ce18fa49dfe Mon Sep 17 00:00:00 2001
From: Mark Lobodzinski <mark@lunarg.com>
Date: Fri, 16 Feb 2018 09:58:07 -0700
Subject: layers: Move U_O:DestroySwapchain out of codegen

This function in the unique_objects layer will need to clean up some
swapchain image index tracking information and so will now be
manually written.

Change-Id: I306fdd9f7a3c75c21b82fe21951804bd86259781
---
 layers/unique_objects.cpp           | 10 ++++++++++
 scripts/unique_objects_generator.py |  1 +
 2 files changed, 11 insertions(+)

diff --git a/layers/unique_objects.cpp b/layers/unique_objects.cpp
index 18786f4c..13971260 100644
--- a/layers/unique_objects.cpp
+++ b/layers/unique_objects.cpp
@@ -507,6 +507,16 @@ VKAPI_ATTR VkResult VKAPI_CALL GetSwapchainImagesKHR(VkDevice device, VkSwapchai
     return result;
 }
 
+VKAPI_ATTR void VKAPI_CALL DestroySwapchainKHR(VkDevice device, VkSwapchainKHR swapchain, const VkAllocationCallbacks *pAllocator) {
+    layer_data *dev_data = GetLayerDataPtr(get_dispatch_key(device), layer_data_map);
+    std::unique_lock<std::mutex> lock(global_lock);
+    uint64_t swapchain_id = reinterpret_cast<uint64_t &>(swapchain);
+    swapchain = (VkSwapchainKHR)dev_data->unique_id_mapping[swapchain_id];
+    dev_data->unique_id_mapping.erase(swapchain_id);
+    lock.unlock();
+    dev_data->dispatch_table.DestroySwapchainKHR(device, swapchain, pAllocator);
+}
+
 VKAPI_ATTR VkResult VKAPI_CALL QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR *pPresentInfo) {
     layer_data *dev_data = GetLayerDataPtr(get_dispatch_key(queue), layer_data_map);
     safe_VkPresentInfoKHR *local_pPresentInfo = NULL;
diff --git a/scripts/unique_objects_generator.py b/scripts/unique_objects_generator.py
index 833207ea..fe7cc9c7 100644
--- a/scripts/unique_objects_generator.py
+++ b/scripts/unique_objects_generator.py
@@ -137,6 +137,7 @@ class UniqueObjectsOutputGenerator(OutputGenerator):
             'vkCreateSwapchainKHR',
             'vkCreateSharedSwapchainsKHR',
             'vkGetSwapchainImagesKHR',
+            'vkDestroySwapchainKHR',
             'vkQueuePresentKHR',
             'vkEnumerateInstanceLayerProperties',
             'vkEnumerateDeviceLayerProperties',
-- 
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