VKAPI_ATTR VkResult VKAPI_CALL CreateInstance(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator,
VkInstance *pInstance) {
VkLayerInstanceCreateInfo *chain_info = get_chain_info(pCreateInfo, VK_LAYER_LINK_INFO);
assert(chain_info->u.pLayerInfo);
PFN_vkGetInstanceProcAddr fpGetInstanceProcAddr = chain_info->u.pLayerInfo->pfnNextGetInstanceProcAddr;
PFN_vkCreateInstance fpCreateInstance = (PFN_vkCreateInstance)fpGetInstanceProcAddr(NULL, "vkCreateInstance");
if (fpCreateInstance == NULL) {
return VK_ERROR_INITIALIZATION_FAILED;
}
// Advance the link info for the next element on the chain
chain_info->u.pLayerInfo = chain_info->u.pLayerInfo->pNext;
VkResult result = fpCreateInstance(pCreateInfo, pAllocator, pInstance);
if (result != VK_SUCCESS) {
return result;
}
instance_layer_data *instance_data = GetLayerDataPtr(get_dispatch_key(*pInstance), instance_layer_data_map);
instance_data->instance = *pInstance;
layer_init_instance_dispatch_table(*pInstance, &instance_data->dispatch_table, fpGetInstanceProcAddr);
instance_data->instance = *pInstance;
instance_data->report_data =
debug_report_create_instance(&instance_data->dispatch_table, *pInstance, pCreateInfo->enabledExtensionCount,
pCreateInfo->ppEnabledExtensionNames);
// Set up temporary debug callbacks to output messages at CreateInstance-time
if (!layer_copy_tmp_callbacks(pCreateInfo->pNext, &instance_data->num_tmp_callbacks, &instance_data->tmp_dbg_create_infos,
&instance_data->tmp_callbacks)) {
if (instance_data->num_tmp_callbacks > 0) {
if (layer_enable_tmp_callbacks(instance_data->report_data, instance_data->num_tmp_callbacks,
instance_data->tmp_dbg_create_infos, instance_data->tmp_callbacks)) {
layer_free_tmp_callbacks(instance_data->tmp_dbg_create_infos, instance_data->tmp_callbacks);
instance_data->num_tmp_callbacks = 0;
}
}
}
initUniqueObjects(instance_data, pAllocator);
InstanceExtensionWhitelist(pCreateInfo, *pInstance);
// Disable and free tmp callbacks, no longer necessary
if (instance_data->num_tmp_callbacks > 0) {
layer_disable_tmp_callbacks(instance_data->report_data, instance_data->num_tmp_callbacks, instance_data->tmp_callbacks);
layer_free_tmp_callbacks(instance_data->tmp_dbg_create_infos, instance_data->tmp_callbacks);
instance_data->num_tmp_callbacks = 0;
}
return result;
}
VKAPI_ATTR void VKAPI_CALL DestroyInstance(VkInstance instance, const VkAllocationCallbacks *pAllocator) {
dispatch_key key = get_dispatch_key(instance);
layer_data *my_data = get_my_data_ptr(key, layer_data_map);
VkLayerInstanceDispatchTable *pTable = my_data->instance_dispatch_table;
// Enable the temporary callback(s) here to catch cleanup issues:
bool callback_setup = false;
if (my_data->num_tmp_callbacks > 0) {
if (!layer_enable_tmp_callbacks(my_data->report_data, my_data->num_tmp_callbacks, my_data->tmp_dbg_create_infos,
my_data->tmp_callbacks)) {
callback_setup = true;
}
}
startWriteObject(my_data, instance);
pTable->DestroyInstance(instance, pAllocator);
finishWriteObject(my_data, instance);
// Disable and cleanup the temporary callback(s):
if (callback_setup) {
layer_disable_tmp_callbacks(my_data->report_data, my_data->num_tmp_callbacks, my_data->tmp_callbacks);
}
if (my_data->num_tmp_callbacks > 0) {
layer_free_tmp_callbacks(my_data->tmp_dbg_create_infos, my_data->tmp_callbacks);
my_data->num_tmp_callbacks = 0;
}
// Clean up logging callback, if any
while (my_data->logging_callback.size() > 0) {
VkDebugReportCallbackEXT callback = my_data->logging_callback.back();
layer_destroy_msg_callback(my_data->report_data, callback, pAllocator);
my_data->logging_callback.pop_back();
}
layer_debug_report_destroy_instance(my_data->report_data);
delete my_data->instance_dispatch_table;
layer_data_map.erase(key);
}
