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      1 /* Copyright (c) 2015-2016 The Khronos Group Inc.
      2  * Copyright (c) 2015-2016 Valve Corporation
      3  * Copyright (c) 2015-2016 LunarG, Inc.
      4  * Copyright (C) 2015-2016 Google Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a copy
      7  * of this software and/or associated documentation files (the "Materials"), to
      8  * deal in the Materials without restriction, including without limitation the
      9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     10  * sell copies of the Materials, and to permit persons to whom the Materials
     11  * are furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice(s) and this permission notice shall be included
     14  * in all copies or substantial portions of the Materials.
     15  *
     16  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     19  *
     20  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
     21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
     23  * USE OR OTHER DEALINGS IN THE MATERIALS
     24  *
     25  * Author: Ian Elliott <ian (at) lunarg.com>
     26  * Author: Ian Elliott <ianelliott (at) google.com>
     27  */
     28 
     29 #include <stdio.h>
     30 #include <string.h>
     31 #include <vk_loader_platform.h>
     32 #include <vulkan/vk_icd.h>
     33 #include "swapchain.h"
     34 #include "vk_layer_extension_utils.h"
     35 #include "vk_enum_string_helper.h"
     36 #include "vk_layer_utils.h"
     37 
     38 static int globalLockInitialized = 0;
     39 static loader_platform_thread_mutex globalLock;
     40 
     41 // The following is for logging error messages:
     42 static std::unordered_map<void *, layer_data *> layer_data_map;
     43 
     44 template layer_data *get_my_data_ptr<layer_data>(void *data_key, std::unordered_map<void *, layer_data *> &data_map);
     45 
     46 static const VkExtensionProperties instance_extensions[] = {{VK_EXT_DEBUG_REPORT_EXTENSION_NAME, VK_EXT_DEBUG_REPORT_SPEC_VERSION}};
     47 
     48 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
     49 vkEnumerateInstanceExtensionProperties(const char *pLayerName, uint32_t *pCount, VkExtensionProperties *pProperties) {
     50     return util_GetExtensionProperties(ARRAY_SIZE(instance_extensions), instance_extensions, pCount, pProperties);
     51 }
     52 
     53 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateDeviceExtensionProperties(VkPhysicalDevice physicalDevice,
     54                                                                                     const char *pLayerName, uint32_t *pCount,
     55                                                                                     VkExtensionProperties *pProperties) {
     56     if (pLayerName == NULL) {
     57         dispatch_key key = get_dispatch_key(physicalDevice);
     58         layer_data *my_data = get_my_data_ptr(key, layer_data_map);
     59         return my_data->instance_dispatch_table->EnumerateDeviceExtensionProperties(physicalDevice, NULL, pCount, pProperties);
     60     } else {
     61         return util_GetExtensionProperties(0, nullptr, pCount, pProperties);
     62     }
     63 }
     64 
     65 static const VkLayerProperties swapchain_layers[] = {{
     66     "VK_LAYER_LUNARG_swapchain", VK_LAYER_API_VERSION, 1, "LunarG Validation Layer",
     67 }};
     68 
     69 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
     70 vkEnumerateInstanceLayerProperties(uint32_t *pCount, VkLayerProperties *pProperties) {
     71     return util_GetLayerProperties(ARRAY_SIZE(swapchain_layers), swapchain_layers, pCount, pProperties);
     72 }
     73 
     74 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
     75 vkEnumerateDeviceLayerProperties(VkPhysicalDevice physicalDevice, uint32_t *pCount, VkLayerProperties *pProperties) {
     76     return util_GetLayerProperties(ARRAY_SIZE(swapchain_layers), swapchain_layers, pCount, pProperties);
     77 }
     78 
     79 static void createDeviceRegisterExtensions(VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo,
     80                                            VkDevice device) {
     81     uint32_t i;
     82     layer_data *my_device_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
     83     layer_data *my_instance_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
     84 
     85     VkLayerDispatchTable *pDisp = my_device_data->device_dispatch_table;
     86     PFN_vkGetDeviceProcAddr gpa = pDisp->GetDeviceProcAddr;
     87 
     88     pDisp->CreateSwapchainKHR = (PFN_vkCreateSwapchainKHR)gpa(device, "vkCreateSwapchainKHR");
     89     pDisp->DestroySwapchainKHR = (PFN_vkDestroySwapchainKHR)gpa(device, "vkDestroySwapchainKHR");
     90     pDisp->GetSwapchainImagesKHR = (PFN_vkGetSwapchainImagesKHR)gpa(device, "vkGetSwapchainImagesKHR");
     91     pDisp->AcquireNextImageKHR = (PFN_vkAcquireNextImageKHR)gpa(device, "vkAcquireNextImageKHR");
     92     pDisp->QueuePresentKHR = (PFN_vkQueuePresentKHR)gpa(device, "vkQueuePresentKHR");
     93     pDisp->GetDeviceQueue = (PFN_vkGetDeviceQueue)gpa(device, "vkGetDeviceQueue");
     94 
     95     SwpPhysicalDevice *pPhysicalDevice = &my_instance_data->physicalDeviceMap[physicalDevice];
     96     if (pPhysicalDevice) {
     97         my_device_data->deviceMap[device].pPhysicalDevice = pPhysicalDevice;
     98         pPhysicalDevice->pDevice = &my_device_data->deviceMap[device];
     99     } else {
    100         // TBD: Should we leave error in (since Swapchain really needs this
    101         // link)?
    102         log_msg(my_instance_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT,
    103                 (uint64_t)physicalDevice, __LINE__, SWAPCHAIN_INVALID_HANDLE, "Swapchain",
    104                 "vkCreateDevice() called with a non-valid VkPhysicalDevice.");
    105     }
    106     my_device_data->deviceMap[device].device = device;
    107     my_device_data->deviceMap[device].swapchainExtensionEnabled = false;
    108 
    109     // Record whether the WSI device extension was enabled for this VkDevice.
    110     // No need to check if the extension was advertised by
    111     // vkEnumerateDeviceExtensionProperties(), since the loader handles that.
    112     for (i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
    113         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_SWAPCHAIN_EXTENSION_NAME) == 0) {
    114 
    115             my_device_data->deviceMap[device].swapchainExtensionEnabled = true;
    116         }
    117     }
    118 }
    119 
    120 static void createInstanceRegisterExtensions(const VkInstanceCreateInfo *pCreateInfo, VkInstance instance) {
    121     uint32_t i;
    122     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    123     VkLayerInstanceDispatchTable *pDisp = my_data->instance_dispatch_table;
    124     PFN_vkGetInstanceProcAddr gpa = pDisp->GetInstanceProcAddr;
    125 #ifdef VK_USE_PLATFORM_ANDROID_KHR
    126     pDisp->CreateAndroidSurfaceKHR = (PFN_vkCreateAndroidSurfaceKHR)gpa(instance, "vkCreateAndroidSurfaceKHR");
    127 #endif // VK_USE_PLATFORM_ANDROID_KHR
    128 #ifdef VK_USE_PLATFORM_MIR_KHR
    129     pDisp->CreateMirSurfaceKHR = (PFN_vkCreateMirSurfaceKHR)gpa(instance, "vkCreateMirSurfaceKHR");
    130     pDisp->GetPhysicalDeviceMirPresentationSupportKHR =
    131         (PFN_vkGetPhysicalDeviceMirPresentationSupportKHR)gpa(instance, "vkGetPhysicalDeviceMirPresentationSupportKHR");
    132 #endif // VK_USE_PLATFORM_MIR_KHR
    133 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
    134     pDisp->CreateWaylandSurfaceKHR = (PFN_vkCreateWaylandSurfaceKHR)gpa(instance, "vkCreateWaylandSurfaceKHR");
    135     pDisp->GetPhysicalDeviceWaylandPresentationSupportKHR =
    136         (PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR)gpa(instance, "vkGetPhysicalDeviceWaylandPresentationSupportKHR");
    137 #endif // VK_USE_PLATFORM_WAYLAND_KHR
    138 #ifdef VK_USE_PLATFORM_WIN32_KHR
    139     pDisp->CreateWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR)gpa(instance, "vkCreateWin32SurfaceKHR");
    140     pDisp->GetPhysicalDeviceWin32PresentationSupportKHR =
    141         (PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)gpa(instance, "vkGetPhysicalDeviceWin32PresentationSupportKHR");
    142 #endif // VK_USE_PLATFORM_WIN32_KHR
    143 #ifdef VK_USE_PLATFORM_XCB_KHR
    144     pDisp->CreateXcbSurfaceKHR = (PFN_vkCreateXcbSurfaceKHR)gpa(instance, "vkCreateXcbSurfaceKHR");
    145     pDisp->GetPhysicalDeviceXcbPresentationSupportKHR =
    146         (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)gpa(instance, "vkGetPhysicalDeviceXcbPresentationSupportKHR");
    147 #endif // VK_USE_PLATFORM_XCB_KHR
    148 #ifdef VK_USE_PLATFORM_XLIB_KHR
    149     pDisp->CreateXlibSurfaceKHR = (PFN_vkCreateXlibSurfaceKHR)gpa(instance, "vkCreateXlibSurfaceKHR");
    150     pDisp->GetPhysicalDeviceXlibPresentationSupportKHR =
    151         (PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR)gpa(instance, "vkGetPhysicalDeviceXlibPresentationSupportKHR");
    152 #endif // VK_USE_PLATFORM_XLIB_KHR
    153     pDisp->DestroySurfaceKHR = (PFN_vkDestroySurfaceKHR)gpa(instance, "vkDestroySurfaceKHR");
    154     pDisp->GetPhysicalDeviceSurfaceSupportKHR =
    155         (PFN_vkGetPhysicalDeviceSurfaceSupportKHR)gpa(instance, "vkGetPhysicalDeviceSurfaceSupportKHR");
    156     pDisp->GetPhysicalDeviceSurfaceCapabilitiesKHR =
    157         (PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR)gpa(instance, "vkGetPhysicalDeviceSurfaceCapabilitiesKHR");
    158     pDisp->GetPhysicalDeviceSurfaceFormatsKHR =
    159         (PFN_vkGetPhysicalDeviceSurfaceFormatsKHR)gpa(instance, "vkGetPhysicalDeviceSurfaceFormatsKHR");
    160     pDisp->GetPhysicalDeviceSurfacePresentModesKHR =
    161         (PFN_vkGetPhysicalDeviceSurfacePresentModesKHR)gpa(instance, "vkGetPhysicalDeviceSurfacePresentModesKHR");
    162 
    163     // Remember this instance, and whether the VK_KHR_surface extension
    164     // was enabled for it:
    165     my_data->instanceMap[instance].instance = instance;
    166     my_data->instanceMap[instance].surfaceExtensionEnabled = false;
    167 #ifdef VK_USE_PLATFORM_ANDROID_KHR
    168     my_data->instanceMap[instance].androidSurfaceExtensionEnabled = false;
    169 #endif // VK_USE_PLATFORM_ANDROID_KHR
    170 #ifdef VK_USE_PLATFORM_MIR_KHR
    171     my_data->instanceMap[instance].mirSurfaceExtensionEnabled = false;
    172 #endif // VK_USE_PLATFORM_MIR_KHR
    173 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
    174     my_data->instanceMap[instance].waylandSurfaceExtensionEnabled = false;
    175 #endif // VK_USE_PLATFORM_WAYLAND_KHR
    176 #ifdef VK_USE_PLATFORM_WIN32_KHR
    177     my_data->instanceMap[instance].win32SurfaceExtensionEnabled = false;
    178 #endif // VK_USE_PLATFORM_WIN32_KHR
    179 #ifdef VK_USE_PLATFORM_XCB_KHR
    180     my_data->instanceMap[instance].xcbSurfaceExtensionEnabled = false;
    181 #endif // VK_USE_PLATFORM_XCB_KHR
    182 #ifdef VK_USE_PLATFORM_XLIB_KHR
    183     my_data->instanceMap[instance].xlibSurfaceExtensionEnabled = false;
    184 #endif // VK_USE_PLATFORM_XLIB_KHR
    185 
    186     // Record whether the WSI instance extension was enabled for this
    187     // VkInstance.  No need to check if the extension was advertised by
    188     // vkEnumerateInstanceExtensionProperties(), since the loader handles that.
    189     for (i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
    190         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_SURFACE_EXTENSION_NAME) == 0) {
    191 
    192             my_data->instanceMap[instance].surfaceExtensionEnabled = true;
    193         }
    194 #ifdef VK_USE_PLATFORM_ANDROID_KHR
    195         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_ANDROID_SURFACE_EXTENSION_NAME) == 0) {
    196 
    197             my_data->instanceMap[instance].androidSurfaceExtensionEnabled = true;
    198         }
    199 #endif // VK_USE_PLATFORM_ANDROID_KHR
    200 #ifdef VK_USE_PLATFORM_MIR_KHR
    201         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_MIR_SURFACE_EXTENSION_NAME) == 0) {
    202 
    203             my_data->instanceMap[instance].mirSurfaceExtensionEnabled = true;
    204         }
    205 #endif // VK_USE_PLATFORM_MIR_KHR
    206 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
    207         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME) == 0) {
    208 
    209             my_data->instanceMap[instance].waylandSurfaceExtensionEnabled = true;
    210         }
    211 #endif // VK_USE_PLATFORM_WAYLAND_KHR
    212 #ifdef VK_USE_PLATFORM_WIN32_KHR
    213         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_WIN32_SURFACE_EXTENSION_NAME) == 0) {
    214 
    215             my_data->instanceMap[instance].win32SurfaceExtensionEnabled = true;
    216         }
    217 #endif // VK_USE_PLATFORM_WIN32_KHR
    218 #ifdef VK_USE_PLATFORM_XCB_KHR
    219         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_XCB_SURFACE_EXTENSION_NAME) == 0) {
    220 
    221             my_data->instanceMap[instance].xcbSurfaceExtensionEnabled = true;
    222         }
    223 #endif // VK_USE_PLATFORM_XCB_KHR
    224 #ifdef VK_USE_PLATFORM_XLIB_KHR
    225         if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_XLIB_SURFACE_EXTENSION_NAME) == 0) {
    226 
    227             my_data->instanceMap[instance].xlibSurfaceExtensionEnabled = true;
    228         }
    229 #endif // VK_USE_PLATFORM_XLIB_KHR
    230     }
    231 }
    232 
    233 #include "vk_dispatch_table_helper.h"
    234 static void init_swapchain(layer_data *my_data, const VkAllocationCallbacks *pAllocator) {
    235 
    236     layer_debug_actions(my_data->report_data, my_data->logging_callback, pAllocator, "lunarg_swapchain");
    237 
    238     if (!globalLockInitialized) {
    239         loader_platform_thread_create_mutex(&globalLock);
    240         globalLockInitialized = 1;
    241     }
    242 }
    243 
    244 static const char *surfaceTransformStr(VkSurfaceTransformFlagBitsKHR value) {
    245     // Return a string corresponding to the value:
    246     return string_VkSurfaceTransformFlagBitsKHR(value);
    247 }
    248 
    249 static const char *surfaceCompositeAlphaStr(VkCompositeAlphaFlagBitsKHR value) {
    250     // Return a string corresponding to the value:
    251     return string_VkCompositeAlphaFlagBitsKHR(value);
    252 }
    253 
    254 static const char *presentModeStr(VkPresentModeKHR value) {
    255     // Return a string corresponding to the value:
    256     return string_VkPresentModeKHR(value);
    257 }
    258 
    259 static const char *sharingModeStr(VkSharingMode value) {
    260     // Return a string corresponding to the value:
    261     return string_VkSharingMode(value);
    262 }
    263 
    264 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    265 vkCreateInstance(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkInstance *pInstance) {
    266     VkLayerInstanceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);
    267 
    268     assert(chain_info->u.pLayerInfo);
    269     PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr;
    270     PFN_vkCreateInstance fpCreateInstance = (PFN_vkCreateInstance)fpGetInstanceProcAddr(NULL, "vkCreateInstance");
    271     if (fpCreateInstance == NULL) {
    272         return VK_ERROR_INITIALIZATION_FAILED;
    273     }
    274 
    275     // Advance the link info for the next element on the chain
    276     chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext;
    277 
    278     VkResult result = fpCreateInstance(pCreateInfo, pAllocator, pInstance);
    279     if (result != VK_SUCCESS) {
    280         return result;
    281     }
    282 
    283     layer_data *my_data = get_my_data_ptr(get_dispatch_key(*pInstance), layer_data_map);
    284     my_data->instance_dispatch_table = new VkLayerInstanceDispatchTable;
    285     layer_init_instance_dispatch_table(*pInstance, my_data->instance_dispatch_table, fpGetInstanceProcAddr);
    286 
    287     my_data->report_data = debug_report_create_instance(my_data->instance_dispatch_table, *pInstance,
    288                                                         pCreateInfo->enabledExtensionCount, pCreateInfo->ppEnabledExtensionNames);
    289 
    290     // Call the following function after my_data is initialized:
    291     createInstanceRegisterExtensions(pCreateInfo, *pInstance);
    292     init_swapchain(my_data, pAllocator);
    293 
    294     return result;
    295 }
    296 
    297 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyInstance(VkInstance instance, const VkAllocationCallbacks *pAllocator) {
    298     dispatch_key key = get_dispatch_key(instance);
    299     layer_data *my_data = get_my_data_ptr(key, layer_data_map);
    300     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    301 
    302     // Call down the call chain:
    303     my_data->instance_dispatch_table->DestroyInstance(instance, pAllocator);
    304 
    305     loader_platform_thread_lock_mutex(&globalLock);
    306 
    307     // Do additional internal cleanup:
    308     if (pInstance) {
    309         // Delete all of the SwpPhysicalDevice's, SwpSurface's, and the
    310         // SwpInstance associated with this instance:
    311         for (auto it = pInstance->physicalDevices.begin(); it != pInstance->physicalDevices.end(); it++) {
    312 
    313             // Free memory that was allocated for/by this SwpPhysicalDevice:
    314             SwpPhysicalDevice *pPhysicalDevice = it->second;
    315             if (pPhysicalDevice) {
    316                 if (pPhysicalDevice->pDevice) {
    317                     LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, instance, "VkInstance", SWAPCHAIN_DEL_OBJECT_BEFORE_CHILDREN,
    318                               "%s() called before all of its associated "
    319                               "VkDevices were destroyed.",
    320                               __FUNCTION__);
    321                 }
    322                 free(pPhysicalDevice->pSurfaceFormats);
    323                 free(pPhysicalDevice->pPresentModes);
    324             }
    325 
    326             // Erase the SwpPhysicalDevice's from the my_data->physicalDeviceMap (which
    327             // are simply pointed to by the SwpInstance):
    328             my_data->physicalDeviceMap.erase(it->second->physicalDevice);
    329         }
    330         for (auto it = pInstance->surfaces.begin(); it != pInstance->surfaces.end(); it++) {
    331 
    332             // Free memory that was allocated for/by this SwpPhysicalDevice:
    333             SwpSurface *pSurface = it->second;
    334             if (pSurface) {
    335                 LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, instance, "VkInstance", SWAPCHAIN_DEL_OBJECT_BEFORE_CHILDREN,
    336                           "%s() called before all of its associated "
    337                           "VkSurfaceKHRs were destroyed.",
    338                           __FUNCTION__);
    339             }
    340         }
    341         my_data->instanceMap.erase(instance);
    342     }
    343 
    344     // Clean up logging callback, if any
    345     while (my_data->logging_callback.size() > 0) {
    346         VkDebugReportCallbackEXT callback = my_data->logging_callback.back();
    347         layer_destroy_msg_callback(my_data->report_data, callback, pAllocator);
    348         my_data->logging_callback.pop_back();
    349     }
    350     layer_debug_report_destroy_instance(my_data->report_data);
    351 
    352     delete my_data->instance_dispatch_table;
    353     layer_data_map.erase(key);
    354     if (layer_data_map.empty()) {
    355         // Release mutex when destroying last instance
    356         loader_platform_thread_unlock_mutex(&globalLock);
    357         loader_platform_thread_delete_mutex(&globalLock);
    358         globalLockInitialized = 0;
    359     } else {
    360         loader_platform_thread_unlock_mutex(&globalLock);
    361     }
    362 }
    363 
    364 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
    365 vkGetPhysicalDeviceQueueFamilyProperties(VkPhysicalDevice physicalDevice, uint32_t *pQueueFamilyPropertyCount,
    366                                          VkQueueFamilyProperties *pQueueFamilyProperties) {
    367     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    368 
    369     // Call down the call chain:
    370     my_data->instance_dispatch_table->GetPhysicalDeviceQueueFamilyProperties(physicalDevice, pQueueFamilyPropertyCount,
    371                                                                              pQueueFamilyProperties);
    372 
    373     // Record the result of this query:
    374     loader_platform_thread_lock_mutex(&globalLock);
    375     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
    376     if (pPhysicalDevice && pQueueFamilyPropertyCount && !pQueueFamilyProperties) {
    377         pPhysicalDevice->gotQueueFamilyPropertyCount = true;
    378         pPhysicalDevice->numOfQueueFamilies = *pQueueFamilyPropertyCount;
    379     }
    380     loader_platform_thread_unlock_mutex(&globalLock);
    381 }
    382 
    383 #ifdef VK_USE_PLATFORM_ANDROID_KHR
    384 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    385 vkCreateAndroidSurfaceKHR(VkInstance instance, const VkAndroidSurfaceCreateInfoKHR *pCreateInfo,
    386                           const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface) {
    387     VkResult result = VK_SUCCESS;
    388     VkBool32 skipCall = VK_FALSE;
    389     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    390     loader_platform_thread_lock_mutex(&globalLock);
    391     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    392 
    393     // Validate that the platform extension was enabled:
    394     if (pInstance && !pInstance->androidSurfaceExtensionEnabled) {
    395         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pInstance, "VkInstance", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    396                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    397                               VK_KHR_ANDROID_SURFACE_EXTENSION_NAME);
    398     }
    399 
    400     if (!pCreateInfo) {
    401         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    402     } else {
    403         if (pCreateInfo->sType != VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR) {
    404             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo",
    405                                               "VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR");
    406         }
    407         if (pCreateInfo->pNext != NULL) {
    408             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    409         }
    410     }
    411 
    412     if (VK_FALSE == skipCall) {
    413         // Call down the call chain:
    414         loader_platform_thread_unlock_mutex(&globalLock);
    415         result = my_data->instance_dispatch_table->CreateAndroidSurfaceKHR(instance, pCreateInfo, pAllocator, pSurface);
    416         loader_platform_thread_lock_mutex(&globalLock);
    417 
    418         // Obtain this pointer again after locking:
    419         pInstance = &(my_data->instanceMap[instance]);
    420         if ((result == VK_SUCCESS) && pInstance && pSurface) {
    421             // Record the VkSurfaceKHR returned by the ICD:
    422             my_data->surfaceMap[*pSurface].surface = *pSurface;
    423             my_data->surfaceMap[*pSurface].pInstance = pInstance;
    424             my_data->surfaceMap[*pSurface].usedAllocatorToCreate = (pAllocator != NULL);
    425             my_data->surfaceMap[*pSurface].numQueueFamilyIndexSupport = 0;
    426             my_data->surfaceMap[*pSurface].pQueueFamilyIndexSupport = NULL;
    427             // Point to the associated SwpInstance:
    428             pInstance->surfaces[*pSurface] = &my_data->surfaceMap[*pSurface];
    429         }
    430         loader_platform_thread_unlock_mutex(&globalLock);
    431         return result;
    432     }
    433     loader_platform_thread_unlock_mutex(&globalLock);
    434     return VK_ERROR_VALIDATION_FAILED_EXT;
    435 }
    436 #endif // VK_USE_PLATFORM_ANDROID_KHR
    437 
    438 #ifdef VK_USE_PLATFORM_MIR_KHR
    439 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    440 vkCreateMirSurfaceKHR(VkInstance instance, const VkMirSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator,
    441                       VkSurfaceKHR *pSurface) {
    442     VkResult result = VK_SUCCESS;
    443     VkBool32 skipCall = VK_FALSE;
    444     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    445     loader_platform_thread_lock_mutex(&globalLock);
    446     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    447 
    448     // Validate that the platform extension was enabled:
    449     if (pInstance && !pInstance->mirSurfaceExtensionEnabled) {
    450         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pInstance, "VkInstance", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    451                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    452                               VK_KHR_MIR_SURFACE_EXTENSION_NAME);
    453     }
    454 
    455     if (!pCreateInfo) {
    456         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    457     } else {
    458         if (pCreateInfo->sType != VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR) {
    459             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo",
    460                                               "VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR");
    461         }
    462         if (pCreateInfo->pNext != NULL) {
    463             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    464         }
    465     }
    466 
    467     if (VK_FALSE == skipCall) {
    468         // Call down the call chain:
    469         loader_platform_thread_unlock_mutex(&globalLock);
    470         result = my_data->instance_dispatch_table->CreateMirSurfaceKHR(instance, pCreateInfo, pAllocator, pSurface);
    471         loader_platform_thread_lock_mutex(&globalLock);
    472 
    473         // Obtain this pointer again after locking:
    474         pInstance = &(my_data->instanceMap[instance]);
    475         if ((result == VK_SUCCESS) && pInstance && pSurface) {
    476             // Record the VkSurfaceKHR returned by the ICD:
    477             my_data->surfaceMap[*pSurface].surface = *pSurface;
    478             my_data->surfaceMap[*pSurface].pInstance = pInstance;
    479             my_data->surfaceMap[*pSurface].usedAllocatorToCreate = (pAllocator != NULL);
    480             my_data->surfaceMap[*pSurface].numQueueFamilyIndexSupport = 0;
    481             my_data->surfaceMap[*pSurface].pQueueFamilyIndexSupport = NULL;
    482             // Point to the associated SwpInstance:
    483             pInstance->surfaces[*pSurface] = &my_data->surfaceMap[*pSurface];
    484         }
    485         loader_platform_thread_unlock_mutex(&globalLock);
    486         return result;
    487     }
    488     loader_platform_thread_unlock_mutex(&globalLock);
    489     return VK_ERROR_VALIDATION_FAILED_EXT;
    490 }
    491 
    492 VK_LAYER_EXPORT VKAPI_ATTR VkBool32 VKAPI_CALL vkGetPhysicalDeviceMirPresentationSupportKHR(VkPhysicalDevice physicalDevice,
    493                                                                                             uint32_t queueFamilyIndex,
    494                                                                                             MirConnection *connection) {
    495     VkBool32 result = VK_FALSE;
    496     VkBool32 skipCall = VK_FALSE;
    497     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    498     loader_platform_thread_lock_mutex(&globalLock);
    499     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
    500 
    501     // Validate that the platform extension was enabled:
    502     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->mirSurfaceExtensionEnabled) {
    503         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
    504                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    505                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    506                               VK_KHR_MIR_SURFACE_EXTENSION_NAME);
    507     }
    508     if (pPhysicalDevice->gotQueueFamilyPropertyCount && (queueFamilyIndex >= pPhysicalDevice->numOfQueueFamilies)) {
    509         skipCall |=
    510             LOG_ERROR_QUEUE_FAMILY_INDEX_TOO_LARGE(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice,
    511                                                    "VkPhysicalDevice", queueFamilyIndex, pPhysicalDevice->numOfQueueFamilies);
    512     }
    513     loader_platform_thread_unlock_mutex(&globalLock);
    514 
    515     if (VK_FALSE == skipCall) {
    516         // Call down the call chain:
    517         result = my_data->instance_dispatch_table->GetPhysicalDeviceMirPresentationSupportKHR(physicalDevice, queueFamilyIndex,
    518                                                                                               connection);
    519     }
    520     return result;
    521 }
    522 #endif // VK_USE_PLATFORM_MIR_KHR
    523 
    524 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
    525 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    526 vkCreateWaylandSurfaceKHR(VkInstance instance, const VkWaylandSurfaceCreateInfoKHR *pCreateInfo,
    527                           const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface) {
    528     VkResult result = VK_SUCCESS;
    529     VkBool32 skipCall = VK_FALSE;
    530     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    531     loader_platform_thread_lock_mutex(&globalLock);
    532     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    533 
    534     // Validate that the platform extension was enabled:
    535     if (pInstance && !pInstance->waylandSurfaceExtensionEnabled) {
    536         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pInstance, "VkInstance", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    537                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    538                               VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME);
    539     }
    540 
    541     if (!pCreateInfo) {
    542         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    543     } else {
    544         if (pCreateInfo->sType != VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR) {
    545             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo",
    546                                               "VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR");
    547         }
    548         if (pCreateInfo->pNext != NULL) {
    549             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    550         }
    551     }
    552 
    553     if (VK_FALSE == skipCall) {
    554         // Call down the call chain:
    555         loader_platform_thread_unlock_mutex(&globalLock);
    556         result = my_data->instance_dispatch_table->CreateWaylandSurfaceKHR(instance, pCreateInfo, pAllocator, pSurface);
    557         loader_platform_thread_lock_mutex(&globalLock);
    558 
    559         // Obtain this pointer again after locking:
    560         pInstance = &(my_data->instanceMap[instance]);
    561         if ((result == VK_SUCCESS) && pInstance && pSurface) {
    562             // Record the VkSurfaceKHR returned by the ICD:
    563             my_data->surfaceMap[*pSurface].surface = *pSurface;
    564             my_data->surfaceMap[*pSurface].pInstance = pInstance;
    565             my_data->surfaceMap[*pSurface].usedAllocatorToCreate = (pAllocator != NULL);
    566             my_data->surfaceMap[*pSurface].numQueueFamilyIndexSupport = 0;
    567             my_data->surfaceMap[*pSurface].pQueueFamilyIndexSupport = NULL;
    568             // Point to the associated SwpInstance:
    569             pInstance->surfaces[*pSurface] = &my_data->surfaceMap[*pSurface];
    570         }
    571         loader_platform_thread_unlock_mutex(&globalLock);
    572         return result;
    573     }
    574     loader_platform_thread_unlock_mutex(&globalLock);
    575     return VK_ERROR_VALIDATION_FAILED_EXT;
    576 }
    577 
    578 VK_LAYER_EXPORT VKAPI_ATTR VkBool32 VKAPI_CALL vkGetPhysicalDeviceWaylandPresentationSupportKHR(VkPhysicalDevice physicalDevice,
    579                                                                                                 uint32_t queueFamilyIndex,
    580                                                                                                 struct wl_display *display) {
    581     VkBool32 result = VK_FALSE;
    582     VkBool32 skipCall = VK_FALSE;
    583     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    584     loader_platform_thread_lock_mutex(&globalLock);
    585     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
    586 
    587     // Validate that the platform extension was enabled:
    588     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->waylandSurfaceExtensionEnabled) {
    589         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
    590                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    591                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    592                               VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME);
    593     }
    594     if (pPhysicalDevice->gotQueueFamilyPropertyCount && (queueFamilyIndex >= pPhysicalDevice->numOfQueueFamilies)) {
    595         skipCall |=
    596             LOG_ERROR_QUEUE_FAMILY_INDEX_TOO_LARGE(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice,
    597                                                    "VkPhysicalDevice", queueFamilyIndex, pPhysicalDevice->numOfQueueFamilies);
    598     }
    599     loader_platform_thread_unlock_mutex(&globalLock);
    600 
    601     if (VK_FALSE == skipCall) {
    602         // Call down the call chain:
    603         result = my_data->instance_dispatch_table->GetPhysicalDeviceWaylandPresentationSupportKHR(physicalDevice, queueFamilyIndex,
    604                                                                                                   display);
    605     }
    606     return result;
    607 }
    608 #endif // VK_USE_PLATFORM_WAYLAND_KHR
    609 
    610 #ifdef VK_USE_PLATFORM_WIN32_KHR
    611 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    612 vkCreateWin32SurfaceKHR(VkInstance instance, const VkWin32SurfaceCreateInfoKHR *pCreateInfo,
    613                         const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface) {
    614     VkResult result = VK_SUCCESS;
    615     VkBool32 skipCall = VK_FALSE;
    616     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    617     loader_platform_thread_lock_mutex(&globalLock);
    618     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    619 
    620     // Validate that the platform extension was enabled:
    621     if (pInstance && !pInstance->win32SurfaceExtensionEnabled) {
    622         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pInstance, "VkInstance", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    623                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    624                               VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
    625     }
    626 
    627     if (!pCreateInfo) {
    628         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    629     } else {
    630         if (pCreateInfo->sType != VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR) {
    631             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo",
    632                                               "VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR");
    633         }
    634         if (pCreateInfo->pNext != NULL) {
    635             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    636         }
    637     }
    638 
    639     if (VK_FALSE == skipCall) {
    640         // Call down the call chain:
    641         loader_platform_thread_unlock_mutex(&globalLock);
    642         result = my_data->instance_dispatch_table->CreateWin32SurfaceKHR(instance, pCreateInfo, pAllocator, pSurface);
    643         loader_platform_thread_lock_mutex(&globalLock);
    644 
    645         // Obtain this pointer again after locking:
    646         pInstance = &(my_data->instanceMap[instance]);
    647         if ((result == VK_SUCCESS) && pInstance && pSurface) {
    648             // Record the VkSurfaceKHR returned by the ICD:
    649             my_data->surfaceMap[*pSurface].surface = *pSurface;
    650             my_data->surfaceMap[*pSurface].pInstance = pInstance;
    651             my_data->surfaceMap[*pSurface].usedAllocatorToCreate = (pAllocator != NULL);
    652             my_data->surfaceMap[*pSurface].numQueueFamilyIndexSupport = 0;
    653             my_data->surfaceMap[*pSurface].pQueueFamilyIndexSupport = NULL;
    654             // Point to the associated SwpInstance:
    655             pInstance->surfaces[*pSurface] = &my_data->surfaceMap[*pSurface];
    656         }
    657         loader_platform_thread_unlock_mutex(&globalLock);
    658         return result;
    659     }
    660     loader_platform_thread_unlock_mutex(&globalLock);
    661     return VK_ERROR_VALIDATION_FAILED_EXT;
    662 }
    663 
    664 VK_LAYER_EXPORT VKAPI_ATTR VkBool32 VKAPI_CALL
    665 vkGetPhysicalDeviceWin32PresentationSupportKHR(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex) {
    666     VkBool32 result = VK_FALSE;
    667     VkBool32 skipCall = VK_FALSE;
    668     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    669     loader_platform_thread_lock_mutex(&globalLock);
    670     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
    671 
    672     // Validate that the platform extension was enabled:
    673     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->win32SurfaceExtensionEnabled) {
    674         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
    675                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    676                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    677                               VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
    678     }
    679     if (pPhysicalDevice->gotQueueFamilyPropertyCount && (queueFamilyIndex >= pPhysicalDevice->numOfQueueFamilies)) {
    680         skipCall |=
    681             LOG_ERROR_QUEUE_FAMILY_INDEX_TOO_LARGE(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice,
    682                                                    "VkPhysicalDevice", queueFamilyIndex, pPhysicalDevice->numOfQueueFamilies);
    683     }
    684     loader_platform_thread_unlock_mutex(&globalLock);
    685 
    686     if (VK_FALSE == skipCall) {
    687         // Call down the call chain:
    688         result = my_data->instance_dispatch_table->GetPhysicalDeviceWin32PresentationSupportKHR(physicalDevice, queueFamilyIndex);
    689     }
    690     return result;
    691 }
    692 #endif // VK_USE_PLATFORM_WIN32_KHR
    693 
    694 #ifdef VK_USE_PLATFORM_XCB_KHR
    695 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    696 vkCreateXcbSurfaceKHR(VkInstance instance, const VkXcbSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator,
    697                       VkSurfaceKHR *pSurface) {
    698     VkResult result = VK_SUCCESS;
    699     VkBool32 skipCall = VK_FALSE;
    700     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    701     loader_platform_thread_lock_mutex(&globalLock);
    702     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    703 
    704     // Validate that the platform extension was enabled:
    705     if (pInstance && !pInstance->xcbSurfaceExtensionEnabled) {
    706         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pInstance, "VkInstance", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    707                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    708                               VK_KHR_XCB_SURFACE_EXTENSION_NAME);
    709     }
    710 
    711     if (!pCreateInfo) {
    712         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    713     } else {
    714         if (pCreateInfo->sType != VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR) {
    715             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo",
    716                                               "VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR");
    717         }
    718         if (pCreateInfo->pNext != NULL) {
    719             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    720         }
    721     }
    722 
    723     if (VK_FALSE == skipCall) {
    724         // Call down the call chain:
    725         loader_platform_thread_unlock_mutex(&globalLock);
    726         result = my_data->instance_dispatch_table->CreateXcbSurfaceKHR(instance, pCreateInfo, pAllocator, pSurface);
    727         loader_platform_thread_lock_mutex(&globalLock);
    728 
    729         // Obtain this pointer again after locking:
    730         pInstance = &(my_data->instanceMap[instance]);
    731         if ((result == VK_SUCCESS) && pInstance && pSurface) {
    732             // Record the VkSurfaceKHR returned by the ICD:
    733             my_data->surfaceMap[*pSurface].surface = *pSurface;
    734             my_data->surfaceMap[*pSurface].pInstance = pInstance;
    735             my_data->surfaceMap[*pSurface].usedAllocatorToCreate = (pAllocator != NULL);
    736             my_data->surfaceMap[*pSurface].numQueueFamilyIndexSupport = 0;
    737             my_data->surfaceMap[*pSurface].pQueueFamilyIndexSupport = NULL;
    738             // Point to the associated SwpInstance:
    739             pInstance->surfaces[*pSurface] = &my_data->surfaceMap[*pSurface];
    740         }
    741         loader_platform_thread_unlock_mutex(&globalLock);
    742         return result;
    743     }
    744     loader_platform_thread_unlock_mutex(&globalLock);
    745     return VK_ERROR_VALIDATION_FAILED_EXT;
    746 }
    747 
    748 VK_LAYER_EXPORT VKAPI_ATTR VkBool32 VKAPI_CALL
    749 vkGetPhysicalDeviceXcbPresentationSupportKHR(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex,
    750                                              xcb_connection_t *connection, xcb_visualid_t visual_id) {
    751     VkBool32 result = VK_FALSE;
    752     VkBool32 skipCall = VK_FALSE;
    753     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    754     loader_platform_thread_lock_mutex(&globalLock);
    755     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
    756 
    757     // Validate that the platform extension was enabled:
    758     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->xcbSurfaceExtensionEnabled) {
    759         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
    760                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    761                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    762                               VK_KHR_XCB_SURFACE_EXTENSION_NAME);
    763     }
    764     if (pPhysicalDevice->gotQueueFamilyPropertyCount && (queueFamilyIndex >= pPhysicalDevice->numOfQueueFamilies)) {
    765         skipCall |=
    766             LOG_ERROR_QUEUE_FAMILY_INDEX_TOO_LARGE(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice,
    767                                                    "VkPhysicalDevice", queueFamilyIndex, pPhysicalDevice->numOfQueueFamilies);
    768     }
    769     loader_platform_thread_unlock_mutex(&globalLock);
    770 
    771     if (VK_FALSE == skipCall) {
    772         // Call down the call chain:
    773         result = my_data->instance_dispatch_table->GetPhysicalDeviceXcbPresentationSupportKHR(physicalDevice, queueFamilyIndex,
    774                                                                                               connection, visual_id);
    775     }
    776     return result;
    777 }
    778 #endif // VK_USE_PLATFORM_XCB_KHR
    779 
    780 #ifdef VK_USE_PLATFORM_XLIB_KHR
    781 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    782 vkCreateXlibSurfaceKHR(VkInstance instance, const VkXlibSurfaceCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator,
    783                        VkSurfaceKHR *pSurface) {
    784     VkResult result = VK_SUCCESS;
    785     VkBool32 skipCall = VK_FALSE;
    786     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    787     loader_platform_thread_lock_mutex(&globalLock);
    788     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    789 
    790     // Validate that the platform extension was enabled:
    791     if (pInstance && !pInstance->xlibSurfaceExtensionEnabled) {
    792         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pInstance, "VkInstance", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    793                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    794                               VK_KHR_XLIB_SURFACE_EXTENSION_NAME);
    795     }
    796 
    797     if (!pCreateInfo) {
    798         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    799     } else {
    800         if (pCreateInfo->sType != VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR) {
    801             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo",
    802                                               "VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR");
    803         }
    804         if (pCreateInfo->pNext != NULL) {
    805             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
    806         }
    807     }
    808 
    809     if (VK_FALSE == skipCall) {
    810         // Call down the call chain:
    811         loader_platform_thread_unlock_mutex(&globalLock);
    812         result = my_data->instance_dispatch_table->CreateXlibSurfaceKHR(instance, pCreateInfo, pAllocator, pSurface);
    813         loader_platform_thread_lock_mutex(&globalLock);
    814 
    815         // Obtain this pointer again after locking:
    816         pInstance = &(my_data->instanceMap[instance]);
    817         if ((result == VK_SUCCESS) && pInstance && pSurface) {
    818             // Record the VkSurfaceKHR returned by the ICD:
    819             my_data->surfaceMap[*pSurface].surface = *pSurface;
    820             my_data->surfaceMap[*pSurface].pInstance = pInstance;
    821             my_data->surfaceMap[*pSurface].usedAllocatorToCreate = (pAllocator != NULL);
    822             my_data->surfaceMap[*pSurface].numQueueFamilyIndexSupport = 0;
    823             my_data->surfaceMap[*pSurface].pQueueFamilyIndexSupport = NULL;
    824             // Point to the associated SwpInstance:
    825             pInstance->surfaces[*pSurface] = &my_data->surfaceMap[*pSurface];
    826         }
    827         loader_platform_thread_unlock_mutex(&globalLock);
    828         return result;
    829     }
    830     loader_platform_thread_unlock_mutex(&globalLock);
    831     return VK_ERROR_VALIDATION_FAILED_EXT;
    832 }
    833 
    834 VK_LAYER_EXPORT VKAPI_ATTR VkBool32 VKAPI_CALL vkGetPhysicalDeviceXlibPresentationSupportKHR(VkPhysicalDevice physicalDevice,
    835                                                                                              uint32_t queueFamilyIndex,
    836                                                                                              Display *dpy, VisualID visualID) {
    837     VkBool32 result = VK_FALSE;
    838     VkBool32 skipCall = VK_FALSE;
    839     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    840     loader_platform_thread_lock_mutex(&globalLock);
    841     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
    842 
    843     // Validate that the platform extension was enabled:
    844     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->xlibSurfaceExtensionEnabled) {
    845         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
    846                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
    847                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
    848                               VK_KHR_XLIB_SURFACE_EXTENSION_NAME);
    849     }
    850     if (pPhysicalDevice->gotQueueFamilyPropertyCount && (queueFamilyIndex >= pPhysicalDevice->numOfQueueFamilies)) {
    851         skipCall |=
    852             LOG_ERROR_QUEUE_FAMILY_INDEX_TOO_LARGE(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice,
    853                                                    "VkPhysicalDevice", queueFamilyIndex, pPhysicalDevice->numOfQueueFamilies);
    854     }
    855     loader_platform_thread_unlock_mutex(&globalLock);
    856 
    857     if (VK_FALSE == skipCall) {
    858         // Call down the call chain:
    859         result = my_data->instance_dispatch_table->GetPhysicalDeviceXlibPresentationSupportKHR(physicalDevice, queueFamilyIndex,
    860                                                                                                dpy, visualID);
    861     }
    862     return result;
    863 }
    864 #endif // VK_USE_PLATFORM_XLIB_KHR
    865 
    866 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
    867 vkDestroySurfaceKHR(VkInstance instance, VkSurfaceKHR surface, const VkAllocationCallbacks *pAllocator) {
    868     VkBool32 skipCall = VK_FALSE;
    869     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    870     loader_platform_thread_lock_mutex(&globalLock);
    871     SwpSurface *pSurface = &my_data->surfaceMap[surface];
    872 
    873     // Regardless of skipCall value, do some internal cleanup:
    874     if (pSurface) {
    875         // Delete the SwpSurface associated with this surface:
    876         if (pSurface->pInstance) {
    877             pSurface->pInstance->surfaces.erase(surface);
    878         }
    879         if (!pSurface->swapchains.empty()) {
    880             LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, instance, "VkInstance", SWAPCHAIN_DEL_OBJECT_BEFORE_CHILDREN,
    881                       "%s() called before all of its associated "
    882                       "VkSwapchainKHRs were destroyed.",
    883                       __FUNCTION__);
    884             // Empty and then delete all SwpSwapchain's
    885             for (auto it = pSurface->swapchains.begin(); it != pSurface->swapchains.end(); it++) {
    886                 // Delete all SwpImage's
    887                 it->second->images.clear();
    888                 // In case the swapchain's device hasn't been destroyed yet
    889                 // (which isn't likely, but is possible), delete its
    890                 // association with this swapchain (i.e. so we can't point to
    891                 // this swpchain from that device, later on):
    892                 if (it->second->pDevice) {
    893                     it->second->pDevice->swapchains.clear();
    894                 }
    895             }
    896             pSurface->swapchains.clear();
    897         }
    898         if ((pAllocator != NULL) != pSurface->usedAllocatorToCreate) {
    899             LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, instance, "VkInstance", SWAPCHAIN_INCOMPATIBLE_ALLOCATOR,
    900                       "%s() called with incompatible pAllocator from when "
    901                       "the object was created.",
    902                       __FUNCTION__);
    903         }
    904         my_data->surfaceMap.erase(surface);
    905     }
    906     loader_platform_thread_unlock_mutex(&globalLock);
    907 
    908     if (VK_FALSE == skipCall) {
    909         // Call down the call chain:
    910         my_data->instance_dispatch_table->DestroySurfaceKHR(instance, surface, pAllocator);
    911     }
    912 }
    913 
    914 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
    915 vkEnumeratePhysicalDevices(VkInstance instance, uint32_t *pPhysicalDeviceCount, VkPhysicalDevice *pPhysicalDevices) {
    916     VkResult result = VK_SUCCESS;
    917     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
    918 
    919     // Call down the call chain:
    920     result = my_data->instance_dispatch_table->EnumeratePhysicalDevices(instance, pPhysicalDeviceCount, pPhysicalDevices);
    921 
    922     loader_platform_thread_lock_mutex(&globalLock);
    923     SwpInstance *pInstance = &(my_data->instanceMap[instance]);
    924     if ((result == VK_SUCCESS) && pInstance && pPhysicalDevices && (*pPhysicalDeviceCount > 0)) {
    925         // Record the VkPhysicalDevices returned by the ICD:
    926         for (uint32_t i = 0; i < *pPhysicalDeviceCount; i++) {
    927             my_data->physicalDeviceMap[pPhysicalDevices[i]].physicalDevice = pPhysicalDevices[i];
    928             my_data->physicalDeviceMap[pPhysicalDevices[i]].pInstance = pInstance;
    929             my_data->physicalDeviceMap[pPhysicalDevices[i]].pDevice = NULL;
    930             my_data->physicalDeviceMap[pPhysicalDevices[i]].gotQueueFamilyPropertyCount = false;
    931             my_data->physicalDeviceMap[pPhysicalDevices[i]].gotSurfaceCapabilities = false;
    932             my_data->physicalDeviceMap[pPhysicalDevices[i]].surfaceFormatCount = 0;
    933             my_data->physicalDeviceMap[pPhysicalDevices[i]].pSurfaceFormats = NULL;
    934             my_data->physicalDeviceMap[pPhysicalDevices[i]].presentModeCount = 0;
    935             my_data->physicalDeviceMap[pPhysicalDevices[i]].pPresentModes = NULL;
    936             // Point to the associated SwpInstance:
    937             if (pInstance) {
    938                 pInstance->physicalDevices[pPhysicalDevices[i]] = &my_data->physicalDeviceMap[pPhysicalDevices[i]];
    939             }
    940         }
    941     }
    942     loader_platform_thread_unlock_mutex(&globalLock);
    943     return result;
    944 }
    945 
    946 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateDevice(VkPhysicalDevice physicalDevice,
    947                                                               const VkDeviceCreateInfo *pCreateInfo,
    948                                                               const VkAllocationCallbacks *pAllocator, VkDevice *pDevice) {
    949     VkLayerDeviceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);
    950 
    951     assert(chain_info->u.pLayerInfo);
    952     PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr;
    953     PFN_vkGetDeviceProcAddr fpGetDeviceProcAddr = chain_info->u.pLayerInfo->pfnNextGetDeviceProcAddr;
    954     PFN_vkCreateDevice fpCreateDevice = (PFN_vkCreateDevice)fpGetInstanceProcAddr(NULL, "vkCreateDevice");
    955     if (fpCreateDevice == NULL) {
    956         return VK_ERROR_INITIALIZATION_FAILED;
    957     }
    958 
    959     // Advance the link info for the next element on the chain
    960     chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext;
    961 
    962     VkResult result = fpCreateDevice(physicalDevice, pCreateInfo, pAllocator, pDevice);
    963     if (result != VK_SUCCESS) {
    964         return result;
    965     }
    966 
    967     loader_platform_thread_lock_mutex(&globalLock);
    968     layer_data *my_instance_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
    969     layer_data *my_device_data = get_my_data_ptr(get_dispatch_key(*pDevice), layer_data_map);
    970 
    971     // Setup device dispatch table
    972     my_device_data->device_dispatch_table = new VkLayerDispatchTable;
    973     layer_init_device_dispatch_table(*pDevice, my_device_data->device_dispatch_table, fpGetDeviceProcAddr);
    974 
    975     my_device_data->report_data = layer_debug_report_create_device(my_instance_data->report_data, *pDevice);
    976     createDeviceRegisterExtensions(physicalDevice, pCreateInfo, *pDevice);
    977     loader_platform_thread_unlock_mutex(&globalLock);
    978 
    979     return result;
    980 }
    981 
    982 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyDevice(VkDevice device, const VkAllocationCallbacks *pAllocator) {
    983     dispatch_key key = get_dispatch_key(device);
    984     layer_data *my_data = get_my_data_ptr(key, layer_data_map);
    985 
    986     // Call down the call chain:
    987     my_data->device_dispatch_table->DestroyDevice(device, pAllocator);
    988 
    989     // Do some internal cleanup:
    990     loader_platform_thread_lock_mutex(&globalLock);
    991     SwpDevice *pDevice = &my_data->deviceMap[device];
    992     if (pDevice) {
    993         // Delete the SwpDevice associated with this device:
    994         if (pDevice->pPhysicalDevice) {
    995             pDevice->pPhysicalDevice->pDevice = NULL;
    996         }
    997         if (!pDevice->swapchains.empty()) {
    998             LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_DEL_OBJECT_BEFORE_CHILDREN,
    999                       "%s() called before all of its associated "
   1000                       "VkSwapchainKHRs were destroyed.",
   1001                       __FUNCTION__);
   1002             // Empty and then delete all SwpSwapchain's
   1003             for (auto it = pDevice->swapchains.begin(); it != pDevice->swapchains.end(); it++) {
   1004                 // Delete all SwpImage's
   1005                 it->second->images.clear();
   1006                 // In case the swapchain's surface hasn't been destroyed yet
   1007                 // (which is likely) delete its association with this swapchain
   1008                 // (i.e. so we can't point to this swpchain from that surface,
   1009                 // later on):
   1010                 if (it->second->pSurface) {
   1011                     it->second->pSurface->swapchains.clear();
   1012                 }
   1013             }
   1014             pDevice->swapchains.clear();
   1015         }
   1016         my_data->deviceMap.erase(device);
   1017     }
   1018     delete my_data->device_dispatch_table;
   1019     layer_data_map.erase(key);
   1020     loader_platform_thread_unlock_mutex(&globalLock);
   1021 }
   1022 
   1023 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkGetPhysicalDeviceSurfaceSupportKHR(VkPhysicalDevice physicalDevice,
   1024                                                                                     uint32_t queueFamilyIndex, VkSurfaceKHR surface,
   1025                                                                                     VkBool32 *pSupported) {
   1026     VkResult result = VK_SUCCESS;
   1027     VkBool32 skipCall = VK_FALSE;
   1028     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
   1029     loader_platform_thread_lock_mutex(&globalLock);
   1030     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1031 
   1032     // Validate that the surface extension was enabled:
   1033     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->surfaceExtensionEnabled) {
   1034         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
   1035                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1036                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
   1037                               VK_KHR_SURFACE_EXTENSION_NAME);
   1038     }
   1039     if (!pPhysicalDevice->gotQueueFamilyPropertyCount) {
   1040         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice, "VkPhysicalDevice",
   1041                               SWAPCHAIN_DID_NOT_QUERY_QUEUE_FAMILIES, "%s() called before calling the "
   1042                                                                       "vkGetPhysicalDeviceQueueFamilyProperties "
   1043                                                                       "function.",
   1044                               __FUNCTION__);
   1045     } else if (pPhysicalDevice->gotQueueFamilyPropertyCount && (queueFamilyIndex >= pPhysicalDevice->numOfQueueFamilies)) {
   1046         skipCall |=
   1047             LOG_ERROR_QUEUE_FAMILY_INDEX_TOO_LARGE(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice,
   1048                                                    "VkPhysicalDevice", queueFamilyIndex, pPhysicalDevice->numOfQueueFamilies);
   1049     }
   1050     if (!pSupported) {
   1051         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, physicalDevice, "pSupported");
   1052     }
   1053 
   1054     if (VK_FALSE == skipCall) {
   1055         // Call down the call chain:
   1056         loader_platform_thread_unlock_mutex(&globalLock);
   1057         result = my_data->instance_dispatch_table->GetPhysicalDeviceSurfaceSupportKHR(physicalDevice, queueFamilyIndex, surface,
   1058                                                                                       pSupported);
   1059         loader_platform_thread_lock_mutex(&globalLock);
   1060 
   1061         // Obtain this pointer again after locking:
   1062         pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1063         if ((result == VK_SUCCESS) && pSupported && pPhysicalDevice) {
   1064             // Record the result of this query:
   1065             SwpInstance *pInstance = pPhysicalDevice->pInstance;
   1066             SwpSurface *pSurface = (pInstance) ? pInstance->surfaces[surface] : NULL;
   1067             if (pSurface) {
   1068                 pPhysicalDevice->supportedSurfaces[surface] = pSurface;
   1069                 if (!pSurface->numQueueFamilyIndexSupport) {
   1070                     if (pPhysicalDevice->gotQueueFamilyPropertyCount) {
   1071                         pSurface->pQueueFamilyIndexSupport =
   1072                             (VkBool32 *)malloc(pPhysicalDevice->numOfQueueFamilies * sizeof(VkBool32));
   1073                         if (pSurface->pQueueFamilyIndexSupport != NULL) {
   1074                             pSurface->numQueueFamilyIndexSupport = pPhysicalDevice->numOfQueueFamilies;
   1075                         }
   1076                     }
   1077                 }
   1078                 if (pSurface->numQueueFamilyIndexSupport) {
   1079                     pSurface->pQueueFamilyIndexSupport[queueFamilyIndex] = *pSupported;
   1080                 }
   1081             }
   1082         }
   1083         loader_platform_thread_unlock_mutex(&globalLock);
   1084         return result;
   1085     }
   1086     loader_platform_thread_unlock_mutex(&globalLock);
   1087     return VK_ERROR_VALIDATION_FAILED_EXT;
   1088 }
   1089 
   1090 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
   1091 vkGetPhysicalDeviceSurfaceCapabilitiesKHR(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface,
   1092                                           VkSurfaceCapabilitiesKHR *pSurfaceCapabilities) {
   1093     VkResult result = VK_SUCCESS;
   1094     VkBool32 skipCall = VK_FALSE;
   1095     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
   1096     loader_platform_thread_lock_mutex(&globalLock);
   1097     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1098 
   1099     // Validate that the surface extension was enabled:
   1100     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->surfaceExtensionEnabled) {
   1101         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
   1102                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1103                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
   1104                               VK_KHR_SURFACE_EXTENSION_NAME);
   1105     }
   1106     if (!pSurfaceCapabilities) {
   1107         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, physicalDevice, "pSurfaceCapabilities");
   1108     }
   1109 
   1110     if (VK_FALSE == skipCall) {
   1111         // Call down the call chain:
   1112         loader_platform_thread_unlock_mutex(&globalLock);
   1113         result = my_data->instance_dispatch_table->GetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface,
   1114                                                                                            pSurfaceCapabilities);
   1115         loader_platform_thread_lock_mutex(&globalLock);
   1116 
   1117         // Obtain this pointer again after locking:
   1118         pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1119         if ((result == VK_SUCCESS) && pPhysicalDevice) {
   1120             // Record the result of this query:
   1121             pPhysicalDevice->gotSurfaceCapabilities = true;
   1122             // FIXME: NEED TO COPY THIS DATA, BECAUSE pSurfaceCapabilities POINTS TO APP-ALLOCATED DATA
   1123             pPhysicalDevice->surfaceCapabilities = *pSurfaceCapabilities;
   1124         }
   1125         loader_platform_thread_unlock_mutex(&globalLock);
   1126         return result;
   1127     }
   1128     loader_platform_thread_unlock_mutex(&globalLock);
   1129     return VK_ERROR_VALIDATION_FAILED_EXT;
   1130 }
   1131 
   1132 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
   1133 vkGetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface, uint32_t *pSurfaceFormatCount,
   1134                                      VkSurfaceFormatKHR *pSurfaceFormats) {
   1135     VkResult result = VK_SUCCESS;
   1136     VkBool32 skipCall = VK_FALSE;
   1137     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
   1138     loader_platform_thread_lock_mutex(&globalLock);
   1139     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1140 
   1141     // Validate that the surface extension was enabled:
   1142     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->surfaceExtensionEnabled) {
   1143         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
   1144                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1145                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
   1146                               VK_KHR_SURFACE_EXTENSION_NAME);
   1147     }
   1148     if (!pSurfaceFormatCount) {
   1149         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, physicalDevice, "pSurfaceFormatCount");
   1150     }
   1151 
   1152     if (VK_FALSE == skipCall) {
   1153         // Call down the call chain:
   1154         loader_platform_thread_unlock_mutex(&globalLock);
   1155         result = my_data->instance_dispatch_table->GetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, pSurfaceFormatCount,
   1156                                                                                       pSurfaceFormats);
   1157         loader_platform_thread_lock_mutex(&globalLock);
   1158 
   1159         // Obtain this pointer again after locking:
   1160         pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1161         if ((result == VK_SUCCESS) && pPhysicalDevice && !pSurfaceFormats && pSurfaceFormatCount) {
   1162             // Record the result of this preliminary query:
   1163             pPhysicalDevice->surfaceFormatCount = *pSurfaceFormatCount;
   1164         } else if ((result == VK_SUCCESS) && pPhysicalDevice && pSurfaceFormats && pSurfaceFormatCount) {
   1165             // Compare the preliminary value of *pSurfaceFormatCount with the
   1166             // value this time:
   1167             if (*pSurfaceFormatCount > pPhysicalDevice->surfaceFormatCount) {
   1168                 LOG_ERROR_INVALID_COUNT(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, physicalDevice, "pSurfaceFormatCount",
   1169                                         "pSurfaceFormats", *pSurfaceFormatCount, pPhysicalDevice->surfaceFormatCount);
   1170             } else if (*pSurfaceFormatCount > 0) {
   1171                 // Record the result of this query:
   1172                 pPhysicalDevice->surfaceFormatCount = *pSurfaceFormatCount;
   1173                 pPhysicalDevice->pSurfaceFormats = (VkSurfaceFormatKHR *)malloc(*pSurfaceFormatCount * sizeof(VkSurfaceFormatKHR));
   1174                 if (pPhysicalDevice->pSurfaceFormats) {
   1175                     for (uint32_t i = 0; i < *pSurfaceFormatCount; i++) {
   1176                         pPhysicalDevice->pSurfaceFormats[i] = pSurfaceFormats[i];
   1177                     }
   1178                 } else {
   1179                     pPhysicalDevice->surfaceFormatCount = 0;
   1180                 }
   1181             }
   1182         }
   1183         loader_platform_thread_unlock_mutex(&globalLock);
   1184         return result;
   1185     }
   1186     loader_platform_thread_unlock_mutex(&globalLock);
   1187     return VK_ERROR_VALIDATION_FAILED_EXT;
   1188 }
   1189 
   1190 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
   1191 vkGetPhysicalDeviceSurfacePresentModesKHR(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface, uint32_t *pPresentModeCount,
   1192                                           VkPresentModeKHR *pPresentModes) {
   1193     VkResult result = VK_SUCCESS;
   1194     VkBool32 skipCall = VK_FALSE;
   1195     layer_data *my_data = get_my_data_ptr(get_dispatch_key(physicalDevice), layer_data_map);
   1196     loader_platform_thread_lock_mutex(&globalLock);
   1197     SwpPhysicalDevice *pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1198 
   1199     // Validate that the surface extension was enabled:
   1200     if (pPhysicalDevice && pPhysicalDevice->pInstance && !pPhysicalDevice->pInstance->surfaceExtensionEnabled) {
   1201         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, pPhysicalDevice->pInstance, "VkInstance",
   1202                               SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1203                               "%s() called even though the %s extension was not enabled for this VkInstance.", __FUNCTION__,
   1204                               VK_KHR_SURFACE_EXTENSION_NAME);
   1205     }
   1206     if (!pPresentModeCount) {
   1207         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, physicalDevice, "pPresentModeCount");
   1208     }
   1209 
   1210     if (VK_FALSE == skipCall) {
   1211         // Call down the call chain:
   1212         loader_platform_thread_unlock_mutex(&globalLock);
   1213         result = my_data->instance_dispatch_table->GetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface,
   1214                                                                                            pPresentModeCount, pPresentModes);
   1215         loader_platform_thread_lock_mutex(&globalLock);
   1216 
   1217         // Obtain this pointer again after locking:
   1218         pPhysicalDevice = &my_data->physicalDeviceMap[physicalDevice];
   1219         if ((result == VK_SUCCESS) && pPhysicalDevice && !pPresentModes && pPresentModeCount) {
   1220             // Record the result of this preliminary query:
   1221             pPhysicalDevice->presentModeCount = *pPresentModeCount;
   1222         } else if ((result == VK_SUCCESS) && pPhysicalDevice && pPresentModes && pPresentModeCount) {
   1223             // Compare the preliminary value of *pPresentModeCount with the
   1224             // value this time:
   1225             if (*pPresentModeCount > pPhysicalDevice->presentModeCount) {
   1226                 LOG_ERROR_INVALID_COUNT(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, physicalDevice, "pPresentModeCount",
   1227                                         "pPresentModes", *pPresentModeCount, pPhysicalDevice->presentModeCount);
   1228             } else if (*pPresentModeCount > 0) {
   1229                 // Record the result of this query:
   1230                 pPhysicalDevice->presentModeCount = *pPresentModeCount;
   1231                 pPhysicalDevice->pPresentModes = (VkPresentModeKHR *)malloc(*pPresentModeCount * sizeof(VkPresentModeKHR));
   1232                 if (pPhysicalDevice->pPresentModes) {
   1233                     for (uint32_t i = 0; i < *pPresentModeCount; i++) {
   1234                         pPhysicalDevice->pPresentModes[i] = pPresentModes[i];
   1235                     }
   1236                 } else {
   1237                     pPhysicalDevice->presentModeCount = 0;
   1238                 }
   1239             }
   1240         }
   1241         loader_platform_thread_unlock_mutex(&globalLock);
   1242         return result;
   1243     }
   1244     loader_platform_thread_unlock_mutex(&globalLock);
   1245     return VK_ERROR_VALIDATION_FAILED_EXT;
   1246 }
   1247 
   1248 // This function does the up-front validation work for vkCreateSwapchainKHR(),
   1249 // and returns VK_TRUE if a logging callback indicates that the call down the
   1250 // chain should be skipped:
   1251 static VkBool32 validateCreateSwapchainKHR(VkDevice device, const VkSwapchainCreateInfoKHR *pCreateInfo,
   1252                                            VkSwapchainKHR *pSwapchain) {
   1253     // TODO: Validate cases of re-creating a swapchain (the current code
   1254     // assumes a new swapchain is being created).
   1255     VkBool32 skipCall = VK_FALSE;
   1256     layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
   1257     char fn[] = "vkCreateSwapchainKHR";
   1258     SwpDevice *pDevice = &my_data->deviceMap[device];
   1259 
   1260     // Validate that the swapchain extension was enabled:
   1261     if (pDevice && !pDevice->swapchainExtensionEnabled) {
   1262         return LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1263                          "%s() called even though the %s extension was not enabled for this VkDevice.", fn,
   1264                          VK_KHR_SWAPCHAIN_EXTENSION_NAME);
   1265     }
   1266     if (!pCreateInfo) {
   1267         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
   1268     } else {
   1269         if (pCreateInfo->sType != VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR) {
   1270             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo",
   1271                                               "VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR");
   1272         }
   1273         if (pCreateInfo->pNext != NULL) {
   1274             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pCreateInfo");
   1275         }
   1276     }
   1277     if (!pSwapchain) {
   1278         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pSwapchain");
   1279     }
   1280 
   1281     // Keep around a useful pointer to pPhysicalDevice:
   1282     SwpPhysicalDevice *pPhysicalDevice = pDevice->pPhysicalDevice;
   1283 
   1284     // Validate pCreateInfo values with result of
   1285     // vkGetPhysicalDeviceQueueFamilyProperties
   1286     if (pPhysicalDevice && pPhysicalDevice->gotQueueFamilyPropertyCount) {
   1287         for (auto i = 0; i < pCreateInfo->queueFamilyIndexCount; i++) {
   1288             if (pCreateInfo->pQueueFamilyIndices[i] >= pPhysicalDevice->numOfQueueFamilies) {
   1289                 skipCall |= LOG_ERROR_QUEUE_FAMILY_INDEX_TOO_LARGE(VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, pPhysicalDevice,
   1290                                                                    "VkPhysicalDevice", pCreateInfo->pQueueFamilyIndices[i],
   1291                                                                    pPhysicalDevice->numOfQueueFamilies);
   1292             }
   1293         }
   1294     }
   1295 
   1296     // Validate pCreateInfo values with the results of
   1297     // vkGetPhysicalDeviceSurfaceCapabilitiesKHR():
   1298     if (!pPhysicalDevice || !pPhysicalDevice->gotSurfaceCapabilities) {
   1299         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_CREATE_SWAP_WITHOUT_QUERY,
   1300                               "%s() called before calling "
   1301                               "vkGetPhysicalDeviceSurfaceCapabilitiesKHR().",
   1302                               fn);
   1303     } else if (pCreateInfo) {
   1304         // Validate pCreateInfo->surface to make sure that
   1305         // vkGetPhysicalDeviceSurfaceSupportKHR() reported this as a supported
   1306         // surface:
   1307         SwpSurface *pSurface = ((pPhysicalDevice) ? pPhysicalDevice->supportedSurfaces[pCreateInfo->surface] : NULL);
   1308         if (!pSurface) {
   1309             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_CREATE_UNSUPPORTED_SURFACE,
   1310                                   "%s() called with pCreateInfo->surface that "
   1311                                   "was not returned by "
   1312                                   "vkGetPhysicalDeviceSurfaceSupportKHR() "
   1313                                   "for the device.",
   1314                                   fn);
   1315         }
   1316 
   1317         // Validate pCreateInfo->minImageCount against
   1318         // VkSurfaceCapabilitiesKHR::{min|max}ImageCount:
   1319         VkSurfaceCapabilitiesKHR *pCapabilities = &pPhysicalDevice->surfaceCapabilities;
   1320         if ((pCreateInfo->minImageCount < pCapabilities->minImageCount) ||
   1321             ((pCapabilities->maxImageCount > 0) && (pCreateInfo->minImageCount > pCapabilities->maxImageCount))) {
   1322             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1323                                   SWAPCHAIN_CREATE_SWAP_BAD_MIN_IMG_COUNT, "%s() called with pCreateInfo->minImageCount "
   1324                                                                            "= %d, which is outside the bounds returned "
   1325                                                                            "by vkGetPhysicalDeviceSurfaceCapabilitiesKHR() (i.e. "
   1326                                                                            "minImageCount = %d, maxImageCount = %d).",
   1327                                   fn, pCreateInfo->minImageCount, pCapabilities->minImageCount, pCapabilities->maxImageCount);
   1328         }
   1329         // Validate pCreateInfo->imageExtent against
   1330         // VkSurfaceCapabilitiesKHR::{current|min|max}ImageExtent:
   1331         if ((pCapabilities->currentExtent.width == -1) &&
   1332             ((pCreateInfo->imageExtent.width < pCapabilities->minImageExtent.width) ||
   1333              (pCreateInfo->imageExtent.width > pCapabilities->maxImageExtent.width) ||
   1334              (pCreateInfo->imageExtent.height < pCapabilities->minImageExtent.height) ||
   1335              (pCreateInfo->imageExtent.height > pCapabilities->maxImageExtent.height))) {
   1336             skipCall |= LOG_ERROR(
   1337                 VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_CREATE_SWAP_OUT_OF_BOUNDS_EXTENTS,
   1338                 "%s() called with pCreateInfo->imageExtent = "
   1339                 "(%d,%d), which is outside the bounds "
   1340                 "returned by vkGetPhysicalDeviceSurfaceCapabilitiesKHR(): "
   1341                 "currentExtent = (%d,%d), minImageExtent = "
   1342                 "(%d,%d), maxImageExtent = (%d,%d).",
   1343                 fn, pCreateInfo->imageExtent.width, pCreateInfo->imageExtent.height, pCapabilities->currentExtent.width,
   1344                 pCapabilities->currentExtent.height, pCapabilities->minImageExtent.width, pCapabilities->minImageExtent.height,
   1345                 pCapabilities->maxImageExtent.width, pCapabilities->maxImageExtent.height);
   1346         }
   1347         if ((pCapabilities->currentExtent.width != -1) &&
   1348             ((pCreateInfo->imageExtent.width != pCapabilities->currentExtent.width) ||
   1349              (pCreateInfo->imageExtent.height != pCapabilities->currentExtent.height))) {
   1350             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1351                                   SWAPCHAIN_CREATE_SWAP_EXTENTS_NO_MATCH_WIN, "%s() called with pCreateInfo->imageExtent = "
   1352                                                                               "(%d,%d), which is not equal to the "
   1353                                                                               "currentExtent = (%d,%d) returned by "
   1354                                                                               "vkGetPhysicalDeviceSurfaceCapabilitiesKHR().",
   1355                                   fn, pCreateInfo->imageExtent.width, pCreateInfo->imageExtent.height,
   1356                                   pCapabilities->currentExtent.width, pCapabilities->currentExtent.height);
   1357         }
   1358         // Validate pCreateInfo->preTransform has one bit set (1st two
   1359         // lines of if-statement), which bit is also set in
   1360         // VkSurfaceCapabilitiesKHR::supportedTransforms (3rd line of if-statement):
   1361         if (!pCreateInfo->preTransform || (pCreateInfo->preTransform & (pCreateInfo->preTransform - 1)) ||
   1362             !(pCreateInfo->preTransform & pCapabilities->supportedTransforms)) {
   1363             // This is an error situation; one for which we'd like to give
   1364             // the developer a helpful, multi-line error message.  Build it
   1365             // up a little at a time, and then log it:
   1366             std::string errorString = "";
   1367             char str[1024];
   1368             // Here's the first part of the message:
   1369             sprintf(str, "%s() called with a non-supported "
   1370                          "pCreateInfo->preTransform (i.e. %s).  "
   1371                          "Supported values are:\n",
   1372                     fn, surfaceTransformStr(pCreateInfo->preTransform));
   1373             errorString += str;
   1374             for (int i = 0; i < 32; i++) {
   1375                 // Build up the rest of the message:
   1376                 if ((1 << i) & pCapabilities->supportedTransforms) {
   1377                     const char *newStr = surfaceTransformStr((VkSurfaceTransformFlagBitsKHR)(1 << i));
   1378                     sprintf(str, "    %s\n", newStr);
   1379                     errorString += str;
   1380                 }
   1381             }
   1382             // Log the message that we've built up:
   1383             skipCall |= debug_report_log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
   1384                                              VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, (uint64_t)device, __LINE__,
   1385                                              SWAPCHAIN_CREATE_SWAP_BAD_PRE_TRANSFORM, LAYER_NAME, errorString.c_str());
   1386         }
   1387         // Validate pCreateInfo->compositeAlpha has one bit set (1st two
   1388         // lines of if-statement), which bit is also set in
   1389         // VkSurfaceCapabilitiesKHR::supportedCompositeAlpha (3rd line of if-statement):
   1390         if (!pCreateInfo->compositeAlpha || (pCreateInfo->compositeAlpha & (pCreateInfo->compositeAlpha - 1)) ||
   1391             !((pCreateInfo->compositeAlpha) & pCapabilities->supportedCompositeAlpha)) {
   1392             // This is an error situation; one for which we'd like to give
   1393             // the developer a helpful, multi-line error message.  Build it
   1394             // up a little at a time, and then log it:
   1395             std::string errorString = "";
   1396             char str[1024];
   1397             // Here's the first part of the message:
   1398             sprintf(str, "%s() called with a non-supported "
   1399                          "pCreateInfo->compositeAlpha (i.e. %s).  "
   1400                          "Supported values are:\n",
   1401                     fn, surfaceCompositeAlphaStr(pCreateInfo->compositeAlpha));
   1402             errorString += str;
   1403             for (int i = 0; i < 32; i++) {
   1404                 // Build up the rest of the message:
   1405                 if ((1 << i) & pCapabilities->supportedCompositeAlpha) {
   1406                     const char *newStr = surfaceCompositeAlphaStr((VkCompositeAlphaFlagBitsKHR)(1 << i));
   1407                     sprintf(str, "    %s\n", newStr);
   1408                     errorString += str;
   1409                 }
   1410             }
   1411             // Log the message that we've built up:
   1412             skipCall |= debug_report_log_msg(my_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
   1413                                              VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, (uint64_t)device, 0,
   1414                                              SWAPCHAIN_CREATE_SWAP_BAD_COMPOSITE_ALPHA, LAYER_NAME, errorString.c_str());
   1415         }
   1416         // Validate pCreateInfo->imageArraySize against
   1417         // VkSurfaceCapabilitiesKHR::maxImageArraySize:
   1418         if ((pCreateInfo->imageArrayLayers < 1) || (pCreateInfo->imageArrayLayers > pCapabilities->maxImageArrayLayers)) {
   1419             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1420                                   SWAPCHAIN_CREATE_SWAP_BAD_IMG_ARRAY_SIZE, "%s() called with a non-supported "
   1421                                                                             "pCreateInfo->imageArraySize (i.e. %d).  "
   1422                                                                             "Minimum value is 1, maximum value is %d.",
   1423                                   fn, pCreateInfo->imageArrayLayers, pCapabilities->maxImageArrayLayers);
   1424         }
   1425         // Validate pCreateInfo->imageUsage against
   1426         // VkSurfaceCapabilitiesKHR::supportedUsageFlags:
   1427         if (pCreateInfo->imageUsage != (pCreateInfo->imageUsage & pCapabilities->supportedUsageFlags)) {
   1428             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1429                                   SWAPCHAIN_CREATE_SWAP_BAD_IMG_USAGE_FLAGS, "%s() called with a non-supported "
   1430                                                                              "pCreateInfo->imageUsage (i.e. 0x%08x)."
   1431                                                                              "  Supported flag bits are 0x%08x.",
   1432                                   fn, pCreateInfo->imageUsage, pCapabilities->supportedUsageFlags);
   1433         }
   1434     }
   1435 
   1436     // Validate pCreateInfo values with the results of
   1437     // vkGetPhysicalDeviceSurfaceFormatsKHR():
   1438     if (!pPhysicalDevice || !pPhysicalDevice->surfaceFormatCount) {
   1439         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_CREATE_SWAP_WITHOUT_QUERY,
   1440                               "%s() called before calling "
   1441                               "vkGetPhysicalDeviceSurfaceFormatsKHR().",
   1442                               fn);
   1443     } else if (pCreateInfo) {
   1444         // Validate pCreateInfo->imageFormat against
   1445         // VkSurfaceFormatKHR::format:
   1446         bool foundFormat = false;
   1447         bool foundColorSpace = false;
   1448         bool foundMatch = false;
   1449         for (uint32_t i = 0; i < pPhysicalDevice->surfaceFormatCount; i++) {
   1450             if (pCreateInfo->imageFormat == pPhysicalDevice->pSurfaceFormats[i].format) {
   1451                 // Validate pCreateInfo->imageColorSpace against
   1452                 // VkSurfaceFormatKHR::colorSpace:
   1453                 foundFormat = true;
   1454                 if (pCreateInfo->imageColorSpace == pPhysicalDevice->pSurfaceFormats[i].colorSpace) {
   1455                     foundMatch = true;
   1456                     break;
   1457                 }
   1458             } else {
   1459                 if (pCreateInfo->imageColorSpace == pPhysicalDevice->pSurfaceFormats[i].colorSpace) {
   1460                     foundColorSpace = true;
   1461                 }
   1462             }
   1463         }
   1464         if (!foundMatch) {
   1465             if (!foundFormat) {
   1466                 if (!foundColorSpace) {
   1467                     skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1468                                           SWAPCHAIN_CREATE_SWAP_BAD_IMG_FMT_CLR_SP, "%s() called with neither a "
   1469                                                                                     "supported pCreateInfo->imageFormat "
   1470                                                                                     "(i.e. %d) nor a supported "
   1471                                                                                     "pCreateInfo->imageColorSpace "
   1472                                                                                     "(i.e. %d).",
   1473                                           fn, pCreateInfo->imageFormat, pCreateInfo->imageColorSpace);
   1474                 } else {
   1475                     skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1476                                           SWAPCHAIN_CREATE_SWAP_BAD_IMG_FORMAT, "%s() called with a non-supported "
   1477                                                                                 "pCreateInfo->imageFormat (i.e. %d).",
   1478                                           fn, pCreateInfo->imageFormat);
   1479                 }
   1480             } else if (!foundColorSpace) {
   1481                 skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1482                                       SWAPCHAIN_CREATE_SWAP_BAD_IMG_COLOR_SPACE, "%s() called with a non-supported "
   1483                                                                                  "pCreateInfo->imageColorSpace (i.e. %d).",
   1484                                       fn, pCreateInfo->imageColorSpace);
   1485             }
   1486         }
   1487     }
   1488 
   1489     // Validate pCreateInfo values with the results of
   1490     // vkGetPhysicalDeviceSurfacePresentModesKHR():
   1491     if (!pPhysicalDevice || !pPhysicalDevice->presentModeCount) {
   1492         if (!pCreateInfo || (pCreateInfo->presentMode != VK_PRESENT_MODE_FIFO_KHR)) {
   1493             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_CREATE_SWAP_WITHOUT_QUERY,
   1494                                   "%s() called before calling "
   1495                                   "vkGetPhysicalDeviceSurfacePresentModesKHR().",
   1496                                   fn);
   1497         }
   1498     } else if (pCreateInfo) {
   1499         // Validate pCreateInfo->presentMode against
   1500         // vkGetPhysicalDeviceSurfacePresentModesKHR():
   1501         bool foundMatch = false;
   1502         for (uint32_t i = 0; i < pPhysicalDevice->presentModeCount; i++) {
   1503             if (pPhysicalDevice->pPresentModes[i] == pCreateInfo->presentMode) {
   1504                 foundMatch = true;
   1505                 break;
   1506             }
   1507         }
   1508         if (!foundMatch) {
   1509             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1510                                   SWAPCHAIN_CREATE_SWAP_BAD_PRESENT_MODE, "%s() called with a non-supported "
   1511                                                                           "pCreateInfo->presentMode (i.e. %s).",
   1512                                   fn, presentModeStr(pCreateInfo->presentMode));
   1513         }
   1514     }
   1515 
   1516     // Validate pCreateInfo->imageSharingMode and related values:
   1517     if (pCreateInfo->imageSharingMode == VK_SHARING_MODE_CONCURRENT) {
   1518         if ((pCreateInfo->queueFamilyIndexCount <= 1) || !pCreateInfo->pQueueFamilyIndices) {
   1519             skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1520                                   SWAPCHAIN_CREATE_SWAP_BAD_SHARING_VALUES, "%s() called with a supported "
   1521                                                                             "pCreateInfo->sharingMode of (i.e. %s),"
   1522                                                                             "but with a bad value(s) for "
   1523                                                                             "pCreateInfo->queueFamilyIndexCount or "
   1524                                                                             "pCreateInfo->pQueueFamilyIndices).",
   1525                                   fn, sharingModeStr(pCreateInfo->imageSharingMode));
   1526         }
   1527     } else if (pCreateInfo->imageSharingMode != VK_SHARING_MODE_EXCLUSIVE) {
   1528         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_CREATE_SWAP_BAD_SHARING_MODE,
   1529                               "%s() called with a non-supported "
   1530                               "pCreateInfo->imageSharingMode (i.e. %s).",
   1531                               fn, sharingModeStr(pCreateInfo->imageSharingMode));
   1532     }
   1533 
   1534     // Validate pCreateInfo->clipped:
   1535     if (pCreateInfo && (pCreateInfo->clipped != VK_FALSE) && (pCreateInfo->clipped != VK_TRUE)) {
   1536         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_BAD_BOOL,
   1537                               "%s() called with a VkBool32 value that is "
   1538                               "neither VK_TRUE nor VK_FALSE, but has the "
   1539                               "numeric value of %d.",
   1540                               fn, pCreateInfo->clipped);
   1541     }
   1542 
   1543     // Validate pCreateInfo->oldSwapchain:
   1544     if (pCreateInfo && pCreateInfo->oldSwapchain) {
   1545         SwpSwapchain *pOldSwapchain = &my_data->swapchainMap[pCreateInfo->oldSwapchain];
   1546         if (pOldSwapchain) {
   1547             if (device != pOldSwapchain->pDevice->device) {
   1548                 skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1549                                       SWAPCHAIN_DESTROY_SWAP_DIFF_DEVICE, "%s() called with a different VkDevice "
   1550                                                                           "than the VkSwapchainKHR was created with.",
   1551                                       __FUNCTION__);
   1552             }
   1553             if (pCreateInfo->surface != pOldSwapchain->pSurface->surface) {
   1554                 skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice",
   1555                                       SWAPCHAIN_CREATE_SWAP_DIFF_SURFACE, "%s() called with pCreateInfo->oldSwapchain "
   1556                                                                           "that has a different VkSurfaceKHR than "
   1557                                                                           "pCreateInfo->surface.",
   1558                                       fn);
   1559             }
   1560         } else {
   1561             // TBD: Leave this in (not sure object_track will check this)?
   1562             skipCall |=
   1563                 LOG_ERROR_NON_VALID_OBJ(VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT, pCreateInfo->oldSwapchain, "VkSwapchainKHR");
   1564         }
   1565     }
   1566 
   1567     return skipCall;
   1568 }
   1569 
   1570 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateSwapchainKHR(VkDevice device, const VkSwapchainCreateInfoKHR *pCreateInfo,
   1571                                                                     const VkAllocationCallbacks *pAllocator,
   1572                                                                     VkSwapchainKHR *pSwapchain) {
   1573     VkResult result = VK_SUCCESS;
   1574     layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
   1575     loader_platform_thread_lock_mutex(&globalLock);
   1576     VkBool32 skipCall = validateCreateSwapchainKHR(device, pCreateInfo, pSwapchain);
   1577 
   1578     if (VK_FALSE == skipCall) {
   1579         // Call down the call chain:
   1580         loader_platform_thread_unlock_mutex(&globalLock);
   1581         result = my_data->device_dispatch_table->CreateSwapchainKHR(device, pCreateInfo, pAllocator, pSwapchain);
   1582         loader_platform_thread_lock_mutex(&globalLock);
   1583 
   1584         if (result == VK_SUCCESS) {
   1585             // Remember the swapchain's handle, and link it to the device:
   1586             SwpDevice *pDevice = &my_data->deviceMap[device];
   1587 
   1588             my_data->swapchainMap[*pSwapchain].swapchain = *pSwapchain;
   1589             if (pDevice) {
   1590                 pDevice->swapchains[*pSwapchain] = &my_data->swapchainMap[*pSwapchain];
   1591             }
   1592             my_data->swapchainMap[*pSwapchain].pDevice = pDevice;
   1593             my_data->swapchainMap[*pSwapchain].imageCount = 0;
   1594             my_data->swapchainMap[*pSwapchain].usedAllocatorToCreate = (pAllocator != NULL);
   1595             // Store a pointer to the surface
   1596             SwpPhysicalDevice *pPhysicalDevice = pDevice->pPhysicalDevice;
   1597             SwpInstance *pInstance = (pPhysicalDevice) ? pPhysicalDevice->pInstance : NULL;
   1598             layer_data *my_instance_data =
   1599                 ((pInstance) ? get_my_data_ptr(get_dispatch_key(pInstance->instance), layer_data_map) : NULL);
   1600             SwpSurface *pSurface = ((my_data && pCreateInfo) ? &my_instance_data->surfaceMap[pCreateInfo->surface] : NULL);
   1601             my_data->swapchainMap[*pSwapchain].pSurface = pSurface;
   1602             if (pSurface) {
   1603                 pSurface->swapchains[*pSwapchain] = &my_data->swapchainMap[*pSwapchain];
   1604             }
   1605         }
   1606         loader_platform_thread_unlock_mutex(&globalLock);
   1607         return result;
   1608     }
   1609     loader_platform_thread_unlock_mutex(&globalLock);
   1610     return VK_ERROR_VALIDATION_FAILED_EXT;
   1611 }
   1612 
   1613 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
   1614 vkDestroySwapchainKHR(VkDevice device, VkSwapchainKHR swapchain, const VkAllocationCallbacks *pAllocator) {
   1615     // TODOs:
   1616     //
   1617     // - Implement a check for validity language that reads: All uses of
   1618     //   presentable images acquired from pname:swapchain and owned by the
   1619     //   application must: have completed execution
   1620     VkBool32 skipCall = VK_FALSE;
   1621     layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
   1622     loader_platform_thread_lock_mutex(&globalLock);
   1623     SwpDevice *pDevice = &my_data->deviceMap[device];
   1624 
   1625     // Validate that the swapchain extension was enabled:
   1626     if (pDevice && !pDevice->swapchainExtensionEnabled) {
   1627         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1628                               "%s() called even though the %s extension was not enabled for this VkDevice.", __FUNCTION__,
   1629                               VK_KHR_SWAPCHAIN_EXTENSION_NAME);
   1630     }
   1631 
   1632     // Regardless of skipCall value, do some internal cleanup:
   1633     SwpSwapchain *pSwapchain = &my_data->swapchainMap[swapchain];
   1634     if (pSwapchain) {
   1635         // Delete the SwpSwapchain associated with this swapchain:
   1636         if (pSwapchain->pDevice) {
   1637             pSwapchain->pDevice->swapchains.erase(swapchain);
   1638             if (device != pSwapchain->pDevice->device) {
   1639                 LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_DESTROY_SWAP_DIFF_DEVICE,
   1640                           "%s() called with a different VkDevice than the "
   1641                           "VkSwapchainKHR was created with.",
   1642                           __FUNCTION__);
   1643             }
   1644         }
   1645         if (pSwapchain->pSurface) {
   1646             pSwapchain->pSurface->swapchains.erase(swapchain);
   1647         }
   1648         if (pSwapchain->imageCount) {
   1649             pSwapchain->images.clear();
   1650         }
   1651         if ((pAllocator != NULL) != pSwapchain->usedAllocatorToCreate) {
   1652             LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, instance, "VkInstance", SWAPCHAIN_INCOMPATIBLE_ALLOCATOR,
   1653                       "%s() called with incompatible pAllocator from when "
   1654                       "the object was created.",
   1655                       __FUNCTION__);
   1656         }
   1657         my_data->swapchainMap.erase(swapchain);
   1658     }
   1659     loader_platform_thread_unlock_mutex(&globalLock);
   1660 
   1661     if (VK_FALSE == skipCall) {
   1662         // Call down the call chain:
   1663         my_data->device_dispatch_table->DestroySwapchainKHR(device, swapchain, pAllocator);
   1664     }
   1665 }
   1666 
   1667 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
   1668 vkGetSwapchainImagesKHR(VkDevice device, VkSwapchainKHR swapchain, uint32_t *pSwapchainImageCount, VkImage *pSwapchainImages) {
   1669     VkResult result = VK_SUCCESS;
   1670     VkBool32 skipCall = VK_FALSE;
   1671     layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
   1672     loader_platform_thread_lock_mutex(&globalLock);
   1673     SwpDevice *pDevice = &my_data->deviceMap[device];
   1674 
   1675     // Validate that the swapchain extension was enabled:
   1676     if (pDevice && !pDevice->swapchainExtensionEnabled) {
   1677         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1678                               "%s() called even though the %s extension was not enabled for this VkDevice.", __FUNCTION__,
   1679                               VK_KHR_SWAPCHAIN_EXTENSION_NAME);
   1680     }
   1681     SwpSwapchain *pSwapchain = &my_data->swapchainMap[swapchain];
   1682     if (!pSwapchainImageCount) {
   1683         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pSwapchainImageCount");
   1684     }
   1685 
   1686     if (VK_FALSE == skipCall) {
   1687         // Call down the call chain:
   1688         loader_platform_thread_unlock_mutex(&globalLock);
   1689         result = my_data->device_dispatch_table->GetSwapchainImagesKHR(device, swapchain, pSwapchainImageCount, pSwapchainImages);
   1690         loader_platform_thread_lock_mutex(&globalLock);
   1691 
   1692         // Obtain this pointer again after locking:
   1693         pSwapchain = &my_data->swapchainMap[swapchain];
   1694         if ((result == VK_SUCCESS) && pSwapchain && !pSwapchainImages && pSwapchainImageCount) {
   1695             // Record the result of this preliminary query:
   1696             pSwapchain->imageCount = *pSwapchainImageCount;
   1697         } else if ((result == VK_SUCCESS) && pSwapchain && pSwapchainImages && pSwapchainImageCount) {
   1698             // Compare the preliminary value of *pSwapchainImageCount with the
   1699             // value this time:
   1700             if (*pSwapchainImageCount > pSwapchain->imageCount) {
   1701                 LOG_ERROR_INVALID_COUNT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pSwapchainImageCount", "pSwapchainImages",
   1702                                         *pSwapchainImageCount, pSwapchain->imageCount);
   1703             } else if (*pSwapchainImageCount > 0) {
   1704                 // Record the images and their state:
   1705                 pSwapchain->imageCount = *pSwapchainImageCount;
   1706                 for (uint32_t i = 0; i < *pSwapchainImageCount; i++) {
   1707                     pSwapchain->images[i].image = pSwapchainImages[i];
   1708                     pSwapchain->images[i].pSwapchain = pSwapchain;
   1709                     pSwapchain->images[i].ownedByApp = false;
   1710                 }
   1711             }
   1712         }
   1713         loader_platform_thread_unlock_mutex(&globalLock);
   1714         return result;
   1715     }
   1716     loader_platform_thread_unlock_mutex(&globalLock);
   1717     return VK_ERROR_VALIDATION_FAILED_EXT;
   1718 }
   1719 
   1720 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkAcquireNextImageKHR(VkDevice device, VkSwapchainKHR swapchain, uint64_t timeout,
   1721                                                                      VkSemaphore semaphore, VkFence fence, uint32_t *pImageIndex) {
   1722     // TODOs:
   1723     //
   1724     // - Address the timeout.  Possibilities include looking at the state of the
   1725     //   swapchain's images, depending on the timeout value.
   1726     // - Implement a check for validity language that reads: If pname:semaphore is
   1727     //   not sname:VK_NULL_HANDLE it must: be unsignalled
   1728     // - Implement a check for validity language that reads: If pname:fence is not
   1729     //   sname:VK_NULL_HANDLE it must: be unsignalled and mustnot: be associated
   1730     //   with any other queue command that has not yet completed execution on that
   1731     //   queue
   1732     // - Record/update the state of the swapchain, in case an error occurs
   1733     //   (e.g. VK_ERROR_OUT_OF_DATE_KHR).
   1734     VkResult result = VK_SUCCESS;
   1735     VkBool32 skipCall = VK_FALSE;
   1736     layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
   1737     loader_platform_thread_lock_mutex(&globalLock);
   1738     SwpDevice *pDevice = &my_data->deviceMap[device];
   1739 
   1740     // Validate that the swapchain extension was enabled:
   1741     if (pDevice && !pDevice->swapchainExtensionEnabled) {
   1742         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1743                               "%s() called even though the %s extension was not enabled for this VkDevice.", __FUNCTION__,
   1744                               VK_KHR_SWAPCHAIN_EXTENSION_NAME);
   1745     }
   1746     if ((semaphore == VK_NULL_HANDLE) && (fence == VK_NULL_HANDLE)) {
   1747         skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "VkDevice", SWAPCHAIN_NO_SYNC_FOR_ACQUIRE,
   1748                               "%s() called with both the semaphore and fence parameters set to "
   1749                               "VK_NULL_HANDLE (at least one should be used).", __FUNCTION__);
   1750     }
   1751     SwpSwapchain *pSwapchain = &my_data->swapchainMap[swapchain];
   1752     if (pSwapchain) {
   1753         // Look to see if the application is trying to own too many images at
   1754         // the same time (i.e. not leave any to display):
   1755         uint32_t imagesOwnedByApp = 0;
   1756         for (uint32_t i = 0; i < pSwapchain->imageCount; i++) {
   1757             if (pSwapchain->images[i].ownedByApp) {
   1758                 imagesOwnedByApp++;
   1759             }
   1760         }
   1761         if (imagesOwnedByApp >= (pSwapchain->imageCount - 1)) {
   1762             skipCall |= LOG_PERF_WARNING(VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT, swapchain, "VkSwapchainKHR",
   1763                                          SWAPCHAIN_APP_OWNS_TOO_MANY_IMAGES, "%s() called when the application "
   1764                                                                              "already owns all presentable images "
   1765                                                                              "in this swapchain except for the "
   1766                                                                              "image currently being displayed.  "
   1767                                                                              "This call to %s() cannot succeed "
   1768                                                                              "unless another thread calls the "
   1769                                                                              "vkQueuePresentKHR() function in "
   1770                                                                              "order to release ownership of one of "
   1771                                                                              "the presentable images of this "
   1772                                                                              "swapchain.",
   1773                                          __FUNCTION__, __FUNCTION__);
   1774         }
   1775     }
   1776     if (!pImageIndex) {
   1777         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pImageIndex");
   1778     }
   1779 
   1780     if (VK_FALSE == skipCall) {
   1781         // Call down the call chain:
   1782         loader_platform_thread_unlock_mutex(&globalLock);
   1783         result = my_data->device_dispatch_table->AcquireNextImageKHR(device, swapchain, timeout, semaphore, fence, pImageIndex);
   1784         loader_platform_thread_lock_mutex(&globalLock);
   1785 
   1786         // Obtain this pointer again after locking:
   1787         pSwapchain = &my_data->swapchainMap[swapchain];
   1788         if (((result == VK_SUCCESS) || (result == VK_SUBOPTIMAL_KHR)) && pSwapchain) {
   1789             // Change the state of the image (now owned by the application):
   1790             pSwapchain->images[*pImageIndex].ownedByApp = true;
   1791         }
   1792         loader_platform_thread_unlock_mutex(&globalLock);
   1793         return result;
   1794     }
   1795     loader_platform_thread_unlock_mutex(&globalLock);
   1796     return VK_ERROR_VALIDATION_FAILED_EXT;
   1797 }
   1798 
   1799 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkQueuePresentKHR(VkQueue queue, const VkPresentInfoKHR *pPresentInfo) {
   1800     // TODOs:
   1801     //
   1802     // - Implement a check for validity language that reads: Any given element of
   1803     //   sname:VkSemaphore in pname:pWaitSemaphores must: refer to a prior signal
   1804     //   of that sname:VkSemaphore that won't be consumed by any other wait on that
   1805     //   semaphore
   1806     // - Record/update the state of the swapchain, in case an error occurs
   1807     //   (e.g. VK_ERROR_OUT_OF_DATE_KHR).
   1808     VkResult result = VK_SUCCESS;
   1809     VkBool32 skipCall = VK_FALSE;
   1810     layer_data *my_data = get_my_data_ptr(get_dispatch_key(queue), layer_data_map);
   1811 
   1812     if (!pPresentInfo) {
   1813         skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pPresentInfo");
   1814     } else {
   1815         if (pPresentInfo->sType != VK_STRUCTURE_TYPE_PRESENT_INFO_KHR) {
   1816             skipCall |= LOG_ERROR_WRONG_STYPE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pPresentInfo",
   1817                                               "VK_STRUCTURE_TYPE_PRESENT_INFO_KHR");
   1818         }
   1819         if (pPresentInfo->pNext != NULL) {
   1820             skipCall |= LOG_INFO_WRONG_NEXT(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pPresentInfo");
   1821         }
   1822         if (!pPresentInfo->swapchainCount) {
   1823             skipCall |= LOG_ERROR_ZERO_VALUE(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pPresentInfo->swapchainCount");
   1824         }
   1825         if (!pPresentInfo->pSwapchains) {
   1826             skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pPresentInfo->pSwapchains");
   1827         }
   1828         if (!pPresentInfo->pImageIndices) {
   1829             skipCall |= LOG_ERROR_NULL_POINTER(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, device, "pPresentInfo->pImageIndices");
   1830         }
   1831         // Note: pPresentInfo->pResults is allowed to be NULL
   1832     }
   1833 
   1834     loader_platform_thread_lock_mutex(&globalLock);
   1835     for (uint32_t i = 0; pPresentInfo && (i < pPresentInfo->swapchainCount); i++) {
   1836         uint32_t index = pPresentInfo->pImageIndices[i];
   1837         SwpSwapchain *pSwapchain = &my_data->swapchainMap[pPresentInfo->pSwapchains[i]];
   1838         if (pSwapchain) {
   1839             if (!pSwapchain->pDevice->swapchainExtensionEnabled) {
   1840                 skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT, pSwapchain->pDevice, "VkDevice",
   1841                                       SWAPCHAIN_EXT_NOT_ENABLED_BUT_USED,
   1842                                       "%s() called even though the %s extension was not enabled for this VkDevice.", __FUNCTION__,
   1843                                       VK_KHR_SWAPCHAIN_EXTENSION_NAME);
   1844             }
   1845             if (index >= pSwapchain->imageCount) {
   1846                 skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT, pPresentInfo->pSwapchains[i], "VkSwapchainKHR",
   1847                                       SWAPCHAIN_INDEX_TOO_LARGE, "%s() called for an index that is too "
   1848                                                                  "large (i.e. %d).  There are only %d "
   1849                                                                  "images in this VkSwapchainKHR.\n",
   1850                                       __FUNCTION__, index, pSwapchain->imageCount);
   1851             } else {
   1852                 if (!pSwapchain->images[index].ownedByApp) {
   1853                     skipCall |= LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT, pPresentInfo->pSwapchains[i],
   1854                                           "VkSwapchainKHR", SWAPCHAIN_INDEX_NOT_IN_USE, "%s() returned an index (i.e. %d) "
   1855                                                                                         "for an image that is not owned by "
   1856                                                                                         "the application.",
   1857                                           __FUNCTION__, index);
   1858                 }
   1859             }
   1860             SwpQueue *pQueue = &my_data->queueMap[queue];
   1861             SwpSurface *pSurface = pSwapchain->pSurface;
   1862             if (pQueue && pSurface && pSurface->numQueueFamilyIndexSupport) {
   1863                 uint32_t queueFamilyIndex = pQueue->queueFamilyIndex;
   1864                 // Note: the 1st test is to ensure queueFamilyIndex is in range,
   1865                 // and the 2nd test is the validation check:
   1866                 if ((pSurface->numQueueFamilyIndexSupport > queueFamilyIndex) &&
   1867                     (!pSurface->pQueueFamilyIndexSupport[queueFamilyIndex])) {
   1868                     skipCall |=
   1869                         LOG_ERROR(VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT, pPresentInfo->pSwapchains[i], "VkSwapchainKHR",
   1870                                   SWAPCHAIN_SURFACE_NOT_SUPPORTED_WITH_QUEUE, "%s() called with a swapchain whose "
   1871                                                                               "surface is not supported for "
   1872                                                                               "presention on this device with the "
   1873                                                                               "queueFamilyIndex (i.e. %d) of the "
   1874                                                                               "given queue.",
   1875                                   __FUNCTION__, queueFamilyIndex);
   1876                 }
   1877             }
   1878         }
   1879     }
   1880 
   1881     if (VK_FALSE == skipCall) {
   1882         // Call down the call chain:
   1883         loader_platform_thread_unlock_mutex(&globalLock);
   1884         result = my_data->device_dispatch_table->QueuePresentKHR(queue, pPresentInfo);
   1885         loader_platform_thread_lock_mutex(&globalLock);
   1886 
   1887         if (pPresentInfo && ((result == VK_SUCCESS) || (result == VK_SUBOPTIMAL_KHR))) {
   1888             for (uint32_t i = 0; i < pPresentInfo->swapchainCount; i++) {
   1889                 int index = pPresentInfo->pImageIndices[i];
   1890                 SwpSwapchain *pSwapchain = &my_data->swapchainMap[pPresentInfo->pSwapchains[i]];
   1891                 if (pSwapchain) {
   1892                     // Change the state of the image (no longer owned by the
   1893                     // application):
   1894                     pSwapchain->images[index].ownedByApp = false;
   1895                 }
   1896             }
   1897         }
   1898         loader_platform_thread_unlock_mutex(&globalLock);
   1899         return result;
   1900     }
   1901     loader_platform_thread_unlock_mutex(&globalLock);
   1902     return VK_ERROR_VALIDATION_FAILED_EXT;
   1903 }
   1904 
   1905 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
   1906 vkGetDeviceQueue(VkDevice device, uint32_t queueFamilyIndex, uint32_t queueIndex, VkQueue *pQueue) {
   1907     VkBool32 skipCall = VK_FALSE;
   1908     layer_data *my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
   1909 
   1910     if (VK_FALSE == skipCall) {
   1911         // Call down the call chain:
   1912         my_data->device_dispatch_table->GetDeviceQueue(device, queueFamilyIndex, queueIndex, pQueue);
   1913 
   1914         // Remember the queue's handle, and link it to the device:
   1915         loader_platform_thread_lock_mutex(&globalLock);
   1916         SwpDevice *pDevice = &my_data->deviceMap[device];
   1917         my_data->queueMap[&pQueue].queue = *pQueue;
   1918         if (pDevice) {
   1919             pDevice->queues[*pQueue] = &my_data->queueMap[*pQueue];
   1920         }
   1921         my_data->queueMap[&pQueue].pDevice = pDevice;
   1922         my_data->queueMap[&pQueue].queueFamilyIndex = queueFamilyIndex;
   1923         loader_platform_thread_unlock_mutex(&globalLock);
   1924     }
   1925 }
   1926 
   1927 VK_LAYER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL
   1928 vkCreateDebugReportCallbackEXT(VkInstance instance, const VkDebugReportCallbackCreateInfoEXT *pCreateInfo,
   1929                                const VkAllocationCallbacks *pAllocator, VkDebugReportCallbackEXT *pMsgCallback) {
   1930     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
   1931     VkResult result =
   1932         my_data->instance_dispatch_table->CreateDebugReportCallbackEXT(instance, pCreateInfo, pAllocator, pMsgCallback);
   1933     if (VK_SUCCESS == result) {
   1934         loader_platform_thread_lock_mutex(&globalLock);
   1935         result = layer_create_msg_callback(my_data->report_data, pCreateInfo, pAllocator, pMsgCallback);
   1936         loader_platform_thread_unlock_mutex(&globalLock);
   1937     }
   1938     return result;
   1939 }
   1940 
   1941 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyDebugReportCallbackEXT(VkInstance instance,
   1942                                                                            VkDebugReportCallbackEXT msgCallback,
   1943                                                                            const VkAllocationCallbacks *pAllocator) {
   1944     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
   1945     my_data->instance_dispatch_table->DestroyDebugReportCallbackEXT(instance, msgCallback, pAllocator);
   1946     loader_platform_thread_lock_mutex(&globalLock);
   1947     layer_destroy_msg_callback(my_data->report_data, msgCallback, pAllocator);
   1948     loader_platform_thread_unlock_mutex(&globalLock);
   1949 }
   1950 
   1951 VK_LAYER_EXPORT VKAPI_ATTR void VKAPI_CALL
   1952 vkDebugReportMessageEXT(VkInstance instance, VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objType, uint64_t object,
   1953                         size_t location, int32_t msgCode, const char *pLayerPrefix, const char *pMsg) {
   1954     layer_data *my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
   1955     my_data->instance_dispatch_table->DebugReportMessageEXT(instance, flags, objType, object, location, msgCode, pLayerPrefix,
   1956                                                             pMsg);
   1957 }
   1958 
   1959 VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetDeviceProcAddr(VkDevice device, const char *funcName) {
   1960     if (!strcmp("vkGetDeviceProcAddr", funcName))
   1961         return (PFN_vkVoidFunction)vkGetDeviceProcAddr;
   1962     if (!strcmp(funcName, "vkDestroyDevice"))
   1963         return (PFN_vkVoidFunction)vkDestroyDevice;
   1964 
   1965     if (device == VK_NULL_HANDLE) {
   1966         return NULL;
   1967     }
   1968 
   1969     layer_data *my_data;
   1970 
   1971     my_data = get_my_data_ptr(get_dispatch_key(device), layer_data_map);
   1972     VkLayerDispatchTable *pDisp =  my_data->device_dispatch_table;
   1973     if (!strcmp("vkCreateSwapchainKHR", funcName))
   1974         return reinterpret_cast<PFN_vkVoidFunction>(vkCreateSwapchainKHR);
   1975     if (!strcmp("vkDestroySwapchainKHR", funcName))
   1976         return reinterpret_cast<PFN_vkVoidFunction>(vkDestroySwapchainKHR);
   1977     if (!strcmp("vkGetSwapchainImagesKHR", funcName))
   1978         return reinterpret_cast<PFN_vkVoidFunction>(vkGetSwapchainImagesKHR);
   1979     if (!strcmp("vkAcquireNextImageKHR", funcName))
   1980         return reinterpret_cast<PFN_vkVoidFunction>(vkAcquireNextImageKHR);
   1981     if (!strcmp("vkQueuePresentKHR", funcName))
   1982         return reinterpret_cast<PFN_vkVoidFunction>(vkQueuePresentKHR);
   1983     if (!strcmp("vkGetDeviceQueue", funcName))
   1984         return reinterpret_cast<PFN_vkVoidFunction>(vkGetDeviceQueue);
   1985 
   1986     if (pDisp->GetDeviceProcAddr == NULL)
   1987         return NULL;
   1988     return pDisp->GetDeviceProcAddr(device, funcName);
   1989 }
   1990 
   1991 VK_LAYER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *funcName) {
   1992     if (!strcmp("vkGetInstanceProcAddr", funcName))
   1993         return (PFN_vkVoidFunction)vkGetInstanceProcAddr;
   1994     if (!strcmp(funcName, "vkCreateInstance"))
   1995         return (PFN_vkVoidFunction)vkCreateInstance;
   1996     if (!strcmp(funcName, "vkDestroyInstance"))
   1997         return (PFN_vkVoidFunction)vkDestroyInstance;
   1998     if (!strcmp(funcName, "vkCreateDevice"))
   1999         return (PFN_vkVoidFunction)vkCreateDevice;
   2000     if (!strcmp(funcName, "vkEnumeratePhysicalDevices"))
   2001         return (PFN_vkVoidFunction)vkEnumeratePhysicalDevices;
   2002     if (!strcmp(funcName, "vkEnumerateInstanceLayerProperties"))
   2003         return (PFN_vkVoidFunction)vkEnumerateInstanceLayerProperties;
   2004     if (!strcmp(funcName, "vkEnumerateDeviceLayerProperties"))
   2005         return (PFN_vkVoidFunction)vkEnumerateDeviceLayerProperties;
   2006     if (!strcmp(funcName, "vkEnumerateInstanceExtensionProperties"))
   2007         return (PFN_vkVoidFunction)vkEnumerateInstanceExtensionProperties;
   2008     if (!strcmp(funcName, "vkEnumerateDeviceExtensionProperties"))
   2009         return (PFN_vkVoidFunction)vkEnumerateDeviceExtensionProperties;
   2010     if (!strcmp(funcName, "vkGetPhysicalDeviceQueueFamilyProperties"))
   2011         return (PFN_vkVoidFunction)vkGetPhysicalDeviceQueueFamilyProperties;
   2012 
   2013     if (instance == VK_NULL_HANDLE) {
   2014         return NULL;
   2015     }
   2016 
   2017     PFN_vkVoidFunction addr;
   2018 
   2019     layer_data *my_data;
   2020     my_data = get_my_data_ptr(get_dispatch_key(instance), layer_data_map);
   2021     VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
   2022     addr = debug_report_get_instance_proc_addr(my_data->report_data, funcName);
   2023     if (addr) {
   2024         return addr;
   2025     }
   2026 
   2027 #ifdef VK_USE_PLATFORM_ANDROID_KHR
   2028     if (!strcmp("vkCreateAndroidSurfaceKHR", funcName))
   2029         return reinterpret_cast<PFN_vkVoidFunction>(vkCreateAndroidSurfaceKHR);
   2030 #endif // VK_USE_PLATFORM_ANDROID_KHR
   2031 #ifdef VK_USE_PLATFORM_MIR_KHR
   2032     if (!strcmp("vkCreateMirSurfaceKHR", funcName))
   2033         return reinterpret_cast<PFN_vkVoidFunction>(vkCreateMirSurfaceKHR);
   2034     if (!strcmp("vkGetPhysicalDeviceMirPresentationSupportKHR", funcName))
   2035         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceMirPresentationSupportKHR);
   2036 #endif // VK_USE_PLATFORM_MIR_KHR
   2037 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
   2038     if (!strcmp("vkCreateWaylandSurfaceKHR", funcName))
   2039         return reinterpret_cast<PFN_vkVoidFunction>(vkCreateWaylandSurfaceKHR);
   2040     if (!strcmp("vkGetPhysicalDeviceWaylandPresentationSupportKHR", funcName))
   2041         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceWaylandPresentationSupportKHR);
   2042 #endif // VK_USE_PLATFORM_WAYLAND_KHR
   2043 #ifdef VK_USE_PLATFORM_WIN32_KHR
   2044     if (!strcmp("vkCreateWin32SurfaceKHR", funcName))
   2045         return reinterpret_cast<PFN_vkVoidFunction>(vkCreateWin32SurfaceKHR);
   2046     if (!strcmp("vkGetPhysicalDeviceWin32PresentationSupportKHR", funcName))
   2047         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceWin32PresentationSupportKHR);
   2048 #endif // VK_USE_PLATFORM_WIN32_KHR
   2049 #ifdef VK_USE_PLATFORM_XCB_KHR
   2050     if (!strcmp("vkCreateXcbSurfaceKHR", funcName))
   2051         return reinterpret_cast<PFN_vkVoidFunction>(vkCreateXcbSurfaceKHR);
   2052     if (!strcmp("vkGetPhysicalDeviceXcbPresentationSupportKHR", funcName))
   2053         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceXcbPresentationSupportKHR);
   2054 #endif // VK_USE_PLATFORM_XCB_KHR
   2055 #ifdef VK_USE_PLATFORM_XLIB_KHR
   2056     if (!strcmp("vkCreateXlibSurfaceKHR", funcName))
   2057         return reinterpret_cast<PFN_vkVoidFunction>(vkCreateXlibSurfaceKHR);
   2058     if (!strcmp("vkGetPhysicalDeviceXlibPresentationSupportKHR", funcName))
   2059         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceXlibPresentationSupportKHR);
   2060 #endif // VK_USE_PLATFORM_XLIB_KHR
   2061     if (!strcmp("vkDestroySurfaceKHR", funcName))
   2062         return reinterpret_cast<PFN_vkVoidFunction>(vkDestroySurfaceKHR);
   2063     if (!strcmp("vkGetPhysicalDeviceSurfaceSupportKHR", funcName))
   2064         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceSurfaceSupportKHR);
   2065     if (!strcmp("vkGetPhysicalDeviceSurfaceCapabilitiesKHR", funcName))
   2066         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceSurfaceCapabilitiesKHR);
   2067     if (!strcmp("vkGetPhysicalDeviceSurfaceFormatsKHR", funcName))
   2068         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceSurfaceFormatsKHR);
   2069     if (!strcmp("vkGetPhysicalDeviceSurfacePresentModesKHR", funcName))
   2070         return reinterpret_cast<PFN_vkVoidFunction>(vkGetPhysicalDeviceSurfacePresentModesKHR);
   2071 
   2072     if (pTable->GetInstanceProcAddr == NULL)
   2073         return NULL;
   2074     return pTable->GetInstanceProcAddr(instance, funcName);
   2075 }
   2076