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trampoline.c
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/*
*
* Copyright (c) 2015-2023 The Khronos Group Inc.
* Copyright (c) 2015-2023 Valve Corporation
* Copyright (c) 2015-2023 LunarG, Inc.
* Copyright (C) 2015 Google Inc.
* Copyright (c) 2021-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* Copyright (c) 2023-2023 RasterGrid Kft.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Courtney Goeltzenleuchter <[email protected]>
* Author: Jon Ashburn <[email protected]>
* Author: Tony Barbour <[email protected]>
* Author: Chia-I Wu <[email protected]>
* Author: Charles Giessen <[email protected]>
*/
#include <stdlib.h>
#include <string.h>
#include "allocation.h"
#include "debug_utils.h"
#include "gpa_helper.h"
#include "loader.h"
#include "loader_environment.h"
#include "log.h"
#include "settings.h"
#include "vk_loader_extensions.h"
#include "vk_loader_platform.h"
#include "wsi.h"
// Trampoline entrypoints are in this file for core Vulkan commands
/* vkGetInstanceProcAddr: Get global level or instance level entrypoint addresses.
* @param instance
* @param pName
* @return
* If pName is a global level entrypoint:
* If instance == NULL || instance is invalid || (instance is valid && instance.minor_version <= 2):
* return global level functions
* Else:
* return NULL
* Else:
* If instance is valid:
* return a trampoline entry point for all dispatchable Vulkan functions both core and extensions.
* Else:
* return NULL
*
* Note:
* Vulkan header updated 1.2.193 changed the behavior of vkGetInstanceProcAddr for global entrypoints. They used to always be
* returned regardless of the value of the instance parameter. The spec was amended in this version to only allow querying global
* level entrypoints with a NULL instance. However, as to not break old applications, the new behavior is only applied if the
* instance passed in is both valid and minor version is greater than 1.2, which was when this change in behavior occurred. Only
* instances with a newer version will get the new behavior.
*/
LOADER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *pName) {
// Always should be able to get vkGetInstanceProcAddr if queried, regardless of the value of instance
if (!strcmp(pName, "vkGetInstanceProcAddr")) return (PFN_vkVoidFunction)vkGetInstanceProcAddr;
// Get entrypoint addresses that are global (no dispatchable object)
void *addr = globalGetProcAddr(pName);
if (addr != VK_NULL_HANDLE) {
// Always can get a global entrypoint from vkGetInstanceProcAddr with a NULL instance handle
if (instance == VK_NULL_HANDLE) {
return addr;
} else {
// New behavior only returns a global entrypoint if the instance handle is NULL.
// Old behavior is to return a global entrypoint regardless of the value of the instance handle.
// Use new behavior if: The instance is valid and the minor version of the instance is greater than 1.2, which
// was when the new behavior was added. (eg, it is enforced in the next minor version of vulkan, which will be 1.3)
// First check if instance is valid - loader_get_instance() returns NULL if it isn't.
struct loader_instance *ptr_instance = loader_get_instance(instance);
if (ptr_instance != NULL &&
loader_check_version_meets_required(loader_combine_version(1, 3, 0), ptr_instance->app_api_version)) {
// New behavior
return NULL;
} else {
// Old behavior
return addr;
}
}
} else {
// All other functions require a valid instance handle to get
if (instance == VK_NULL_HANDLE) {
return NULL;
}
struct loader_instance *ptr_instance = loader_get_instance(instance);
// If we've gotten here and the pointer is NULL, it's invalid
if (ptr_instance == NULL) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetInstanceProcAddr: Invalid instance [VUID-vkGetInstanceProcAddr-instance-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
// Return trampoline code for non-global entrypoints including any extensions.
// Device extensions are returned if a layer or ICD supports the extension.
// Instance extensions are returned if the extension is enabled and the
// loader or someone else supports the extension
return trampoline_get_proc_addr(ptr_instance, pName);
}
}
// Get a device level or global level entry point address.
// @param device
// @param pName
// @return
// If device is valid, returns a device relative entry point for device level
// entry points both core and extensions.
// Device relative means call down the device chain.
LOADER_EXPORT VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetDeviceProcAddr(VkDevice device, const char *pName) {
if (!pName || pName[0] != 'v' || pName[1] != 'k') return NULL;
// For entrypoints that loader must handle (ie non-dispatchable or create object)
// make sure the loader entrypoint is returned
const char *name = pName;
name += 2;
if (!strcmp(name, "GetDeviceProcAddr")) return (PFN_vkVoidFunction)vkGetDeviceProcAddr;
if (!strcmp(name, "DestroyDevice")) return (PFN_vkVoidFunction)vkDestroyDevice;
if (!strcmp(name, "GetDeviceQueue")) return (PFN_vkVoidFunction)vkGetDeviceQueue;
if (!strcmp(name, "AllocateCommandBuffers")) return (PFN_vkVoidFunction)vkAllocateCommandBuffers;
// Although CreateDevice is on device chain it's dispatchable object isn't
// a VkDevice or child of VkDevice so return NULL.
if (!strcmp(pName, "CreateDevice")) return NULL;
// Because vkGetDeviceQueue2 is a 1.1 entry point, we need to check if the apiVersion provided during instance creation is
// sufficient
if (!strcmp(name, "GetDeviceQueue2")) {
struct loader_device *dev = NULL;
struct loader_icd_term *icd_term = loader_get_icd_and_device(device, &dev);
if (NULL != icd_term && dev != NULL) {
const struct loader_instance *inst = icd_term->this_instance;
uint32_t api_version =
VK_MAKE_API_VERSION(0, inst->app_api_version.major, inst->app_api_version.minor, inst->app_api_version.patch);
return (dev->should_ignore_device_commands_from_newer_version && api_version < VK_API_VERSION_1_1)
? NULL
: (PFN_vkVoidFunction)vkGetDeviceQueue2;
}
return NULL;
}
// Return the dispatch table entrypoint for the fastest case
const VkLayerDispatchTable *disp_table = loader_get_dispatch(device);
if (disp_table == NULL) return NULL;
bool found_name = false;
void *addr = loader_lookup_device_dispatch_table(disp_table, pName, &found_name);
if (found_name) return addr;
if (disp_table->GetDeviceProcAddr == NULL) return NULL;
return disp_table->GetDeviceProcAddr(device, pName);
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceExtensionProperties(const char *pLayerName,
uint32_t *pPropertyCount,
VkExtensionProperties *pProperties) {
LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize);
update_global_loader_settings();
// We know we need to call at least the terminator
VkResult res = VK_SUCCESS;
VkEnumerateInstanceExtensionPropertiesChain chain_tail = {
.header =
{
.type = VK_CHAIN_TYPE_ENUMERATE_INSTANCE_EXTENSION_PROPERTIES,
.version = VK_CURRENT_CHAIN_VERSION,
.size = sizeof(chain_tail),
},
.pfnNextLayer = &terminator_pre_instance_EnumerateInstanceExtensionProperties,
.pNextLink = NULL,
};
VkEnumerateInstanceExtensionPropertiesChain *chain_head = &chain_tail;
// Get the implicit layers
struct loader_layer_list layers = {0};
memset(&layers, 0, sizeof(layers));
struct loader_envvar_all_filters layer_filters = {0};
res = parse_layer_environment_var_filters(NULL, &layer_filters);
if (VK_SUCCESS != res) {
return res;
}
res = loader_scan_for_implicit_layers(NULL, &layers, &layer_filters);
if (VK_SUCCESS != res) {
return res;
}
// Prepend layers onto the chain if they implement this entry point
for (uint32_t i = 0; i < layers.count; ++i) {
// Skip this layer if it doesn't expose the entry-point
if (NULL == layers.list[i].pre_instance_functions.enumerate_instance_extension_properties) {
continue;
}
loader_open_layer_file(NULL, &layers.list[i]);
if (layers.list[i].lib_handle == NULL) {
continue;
}
void *pfn = loader_platform_get_proc_address(layers.list[i].lib_handle,
layers.list[i].pre_instance_functions.enumerate_instance_extension_properties);
if (pfn == NULL) {
loader_log(NULL, VULKAN_LOADER_WARN_BIT | VULKAN_LOADER_LAYER_BIT, 0,
"%s: Unable to resolve symbol \"%s\" in implicit layer library \"%s\"", __FUNCTION__,
layers.list[i].pre_instance_functions.enumerate_instance_extension_properties, layers.list[i].lib_name);
continue;
}
VkEnumerateInstanceExtensionPropertiesChain *chain_link =
loader_alloc(NULL, sizeof(VkEnumerateInstanceExtensionPropertiesChain), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
if (chain_link == NULL) {
res = VK_ERROR_OUT_OF_HOST_MEMORY;
break;
}
memset(chain_link, 0, sizeof(VkEnumerateInstanceLayerPropertiesChain));
chain_link->header.type = VK_CHAIN_TYPE_ENUMERATE_INSTANCE_EXTENSION_PROPERTIES;
chain_link->header.version = VK_CURRENT_CHAIN_VERSION;
chain_link->header.size = sizeof(*chain_link);
chain_link->pfnNextLayer = pfn;
chain_link->pNextLink = chain_head;
chain_head = chain_link;
}
// Call down the chain
if (res == VK_SUCCESS) {
res = chain_head->pfnNextLayer(chain_head->pNextLink, pLayerName, pPropertyCount, pProperties);
}
// Free up the layers
loader_delete_layer_list_and_properties(NULL, &layers);
// Tear down the chain
while (chain_head != &chain_tail) {
VkEnumerateInstanceExtensionPropertiesChain *holder = chain_head;
chain_head = (VkEnumerateInstanceExtensionPropertiesChain *)chain_head->pNextLink;
loader_free(NULL, holder);
}
return res;
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceLayerProperties(uint32_t *pPropertyCount,
VkLayerProperties *pProperties) {
LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize);
update_global_loader_settings();
// We know we need to call at least the terminator
VkResult res = VK_SUCCESS;
VkEnumerateInstanceLayerPropertiesChain chain_tail = {
.header =
{
.type = VK_CHAIN_TYPE_ENUMERATE_INSTANCE_LAYER_PROPERTIES,
.version = VK_CURRENT_CHAIN_VERSION,
.size = sizeof(chain_tail),
},
.pfnNextLayer = &terminator_pre_instance_EnumerateInstanceLayerProperties,
.pNextLink = NULL,
};
VkEnumerateInstanceLayerPropertiesChain *chain_head = &chain_tail;
// Get the implicit layers
struct loader_layer_list layers;
memset(&layers, 0, sizeof(layers));
struct loader_envvar_all_filters layer_filters = {0};
res = parse_layer_environment_var_filters(NULL, &layer_filters);
if (VK_SUCCESS != res) {
return res;
}
res = loader_scan_for_implicit_layers(NULL, &layers, &layer_filters);
if (VK_SUCCESS != res) {
return res;
}
// Prepend layers onto the chain if they implement this entry point
for (uint32_t i = 0; i < layers.count; ++i) {
// Skip this layer if it doesn't expose the entry-point
if (NULL == layers.list[i].pre_instance_functions.enumerate_instance_layer_properties) {
continue;
}
loader_open_layer_file(NULL, &layers.list[i]);
if (layers.list[i].lib_handle == NULL) {
continue;
}
void *pfn = loader_platform_get_proc_address(layers.list[i].lib_handle,
layers.list[i].pre_instance_functions.enumerate_instance_layer_properties);
if (pfn == NULL) {
loader_log(NULL, VULKAN_LOADER_WARN_BIT, 0, "%s: Unable to resolve symbol \"%s\" in implicit layer library \"%s\"",
__FUNCTION__, layers.list[i].pre_instance_functions.enumerate_instance_layer_properties,
layers.list[i].lib_name);
continue;
}
VkEnumerateInstanceLayerPropertiesChain *chain_link =
loader_alloc(NULL, sizeof(VkEnumerateInstanceLayerPropertiesChain), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
if (chain_link == NULL) {
res = VK_ERROR_OUT_OF_HOST_MEMORY;
break;
}
memset(chain_link, 0, sizeof(VkEnumerateInstanceLayerPropertiesChain));
chain_link->header.type = VK_CHAIN_TYPE_ENUMERATE_INSTANCE_LAYER_PROPERTIES;
chain_link->header.version = VK_CURRENT_CHAIN_VERSION;
chain_link->header.size = sizeof(*chain_link);
chain_link->pfnNextLayer = pfn;
chain_link->pNextLink = chain_head;
chain_head = chain_link;
}
// Call down the chain
if (res == VK_SUCCESS) {
res = chain_head->pfnNextLayer(chain_head->pNextLink, pPropertyCount, pProperties);
}
// Free up the layers
loader_delete_layer_list_and_properties(NULL, &layers);
// Tear down the chain
while (chain_head != &chain_tail) {
VkEnumerateInstanceLayerPropertiesChain *holder = chain_head;
chain_head = (VkEnumerateInstanceLayerPropertiesChain *)chain_head->pNextLink;
loader_free(NULL, holder);
}
return res;
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceVersion(uint32_t *pApiVersion) {
LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize);
update_global_loader_settings();
if (NULL == pApiVersion) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkEnumerateInstanceVersion: \'pApiVersion\' must not be NULL "
"(VUID-vkEnumerateInstanceVersion-pApiVersion-parameter");
// NOTE: This seems silly, but it's the only allowable failure
return VK_ERROR_OUT_OF_HOST_MEMORY;
}
// We know we need to call at least the terminator
VkResult res = VK_SUCCESS;
VkEnumerateInstanceVersionChain chain_tail = {
.header =
{
.type = VK_CHAIN_TYPE_ENUMERATE_INSTANCE_VERSION,
.version = VK_CURRENT_CHAIN_VERSION,
.size = sizeof(chain_tail),
},
.pfnNextLayer = &terminator_pre_instance_EnumerateInstanceVersion,
.pNextLink = NULL,
};
VkEnumerateInstanceVersionChain *chain_head = &chain_tail;
// Get the implicit layers
struct loader_layer_list layers;
memset(&layers, 0, sizeof(layers));
struct loader_envvar_all_filters layer_filters = {0};
res = parse_layer_environment_var_filters(NULL, &layer_filters);
if (VK_SUCCESS != res) {
return res;
}
res = loader_scan_for_implicit_layers(NULL, &layers, &layer_filters);
if (VK_SUCCESS != res) {
return res;
}
// Prepend layers onto the chain if they implement this entry point
for (uint32_t i = 0; i < layers.count; ++i) {
// Skip this layer if it doesn't expose the entry-point
if (NULL == layers.list[i].pre_instance_functions.enumerate_instance_version) {
continue;
}
loader_open_layer_file(NULL, &layers.list[i]);
if (layers.list[i].lib_handle == NULL) {
continue;
}
void *pfn = loader_platform_get_proc_address(layers.list[i].lib_handle,
layers.list[i].pre_instance_functions.enumerate_instance_version);
if (pfn == NULL) {
loader_log(NULL, VULKAN_LOADER_WARN_BIT, 0, "%s: Unable to resolve symbol \"%s\" in implicit layer library \"%s\"",
__FUNCTION__, layers.list[i].pre_instance_functions.enumerate_instance_version, layers.list[i].lib_name);
continue;
}
VkEnumerateInstanceVersionChain *chain_link =
loader_alloc(NULL, sizeof(VkEnumerateInstanceVersionChain), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
if (chain_link == NULL) {
res = VK_ERROR_OUT_OF_HOST_MEMORY;
break;
}
memset(chain_link, 0, sizeof(VkEnumerateInstanceLayerPropertiesChain));
chain_link->header.type = VK_CHAIN_TYPE_ENUMERATE_INSTANCE_VERSION;
chain_link->header.version = VK_CURRENT_CHAIN_VERSION;
chain_link->header.size = sizeof(*chain_link);
chain_link->pfnNextLayer = pfn;
chain_link->pNextLink = chain_head;
chain_head = chain_link;
}
// Call down the chain
if (res == VK_SUCCESS) {
res = chain_head->pfnNextLayer(chain_head->pNextLink, pApiVersion);
}
// Free up the layers
loader_delete_layer_list_and_properties(NULL, &layers);
// Tear down the chain
while (chain_head != &chain_tail) {
VkEnumerateInstanceVersionChain *holder = chain_head;
chain_head = (VkEnumerateInstanceVersionChain *)chain_head->pNextLink;
loader_free(NULL, holder);
}
return res;
}
// Add the "instance-only" debug functions to the list of active debug functions
// at the very end. This way it doesn't get replaced by any new messengers
void loader_add_instance_only_debug_funcs(struct loader_instance *ptr_instance) {
VkLayerDbgFunctionNode *cur_node = ptr_instance->current_dbg_function_head;
if (cur_node == NULL) {
ptr_instance->current_dbg_function_head = ptr_instance->instance_only_dbg_function_head;
} else {
while (cur_node != NULL) {
if (cur_node == ptr_instance->instance_only_dbg_function_head) {
// Already added
break;
}
// Last item
else if (cur_node->pNext == NULL) {
cur_node->pNext = ptr_instance->instance_only_dbg_function_head;
}
cur_node = cur_node->pNext;
}
}
}
// Remove the "instance-only" debug functions from the list of active debug functions.
// It should be added after the last actual debug utils/debug report function.
void loader_remove_instance_only_debug_funcs(struct loader_instance *ptr_instance) {
VkLayerDbgFunctionNode *cur_node = ptr_instance->current_dbg_function_head;
// Only thing in list is the instance only head
if (cur_node == ptr_instance->instance_only_dbg_function_head) {
ptr_instance->current_dbg_function_head = NULL;
}
while (cur_node != NULL) {
if (cur_node->pNext == ptr_instance->instance_only_dbg_function_head) {
cur_node->pNext = NULL;
break;
}
cur_node = cur_node->pNext;
}
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateInstance(const VkInstanceCreateInfo *pCreateInfo,
const VkAllocationCallbacks *pAllocator, VkInstance *pInstance) {
struct loader_instance *ptr_instance = NULL;
VkInstance created_instance = VK_NULL_HANDLE;
VkResult res = VK_ERROR_INITIALIZATION_FAILED;
VkInstanceCreateInfo ici = {0};
struct loader_envvar_all_filters layer_filters = {0};
LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize);
if (pCreateInfo == NULL) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkCreateInstance: \'pCreateInfo\' is NULL (VUID-vkCreateInstance-pCreateInfo-parameter)");
goto out;
}
ici = *pCreateInfo;
if (pInstance == NULL) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkCreateInstance \'pInstance\' not valid (VUID-vkCreateInstance-pInstance-parameter)");
goto out;
}
ptr_instance =
(struct loader_instance *)loader_calloc(pAllocator, sizeof(struct loader_instance), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
if (ptr_instance == NULL) {
res = VK_ERROR_OUT_OF_HOST_MEMORY;
goto out;
}
loader_platform_thread_lock_mutex(&loader_lock);
if (pAllocator) {
ptr_instance->alloc_callbacks = *pAllocator;
}
ptr_instance->magic = LOADER_MAGIC_NUMBER;
// Save the application version
if (NULL == pCreateInfo->pApplicationInfo || 0 == pCreateInfo->pApplicationInfo->apiVersion) {
ptr_instance->app_api_version = LOADER_VERSION_1_0_0;
} else {
ptr_instance->app_api_version = loader_make_version(pCreateInfo->pApplicationInfo->apiVersion);
}
// Look for one or more VK_EXT_debug_report or VK_EXT_debug_utils create info structures
// and setup a callback(s) for each one found.
// Handle cases of VK_EXT_debug_utils
// Setup the temporary messenger(s) here to catch early issues:
res = util_CreateDebugUtilsMessengers(ptr_instance, pCreateInfo->pNext, pAllocator);
if (VK_ERROR_OUT_OF_HOST_MEMORY == res) {
// Failure of setting up one or more of the messenger.
goto out;
}
// Handle cases of VK_EXT_debug_report
// Setup the temporary callback(s) here to catch early issues:
res = util_CreateDebugReportCallbacks(ptr_instance, pCreateInfo->pNext, pAllocator);
if (VK_ERROR_OUT_OF_HOST_MEMORY == res) {
// Failure of setting up one or more of the callback.
goto out;
}
VkResult settings_file_res = get_loader_settings(ptr_instance, &ptr_instance->settings);
if (settings_file_res == VK_ERROR_OUT_OF_HOST_MEMORY) {
res = settings_file_res;
goto out;
}
if (ptr_instance->settings.settings_active) {
log_settings(ptr_instance, &ptr_instance->settings);
}
// Providing an apiVersion less than VK_API_VERSION_1_0 but greater than zero prevents the validation layers from starting
if (pCreateInfo->pApplicationInfo && pCreateInfo->pApplicationInfo->apiVersion != 0u &&
pCreateInfo->pApplicationInfo->apiVersion < VK_API_VERSION_1_0) {
loader_log(ptr_instance, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT, 0,
"VkInstanceCreateInfo::pApplicationInfo::apiVersion has value of %u which is not permitted. If apiVersion is "
"not 0, then it must be "
"greater than or equal to the value of VK_API_VERSION_1_0 [VUID-VkApplicationInfo-apiVersion]",
pCreateInfo->pApplicationInfo->apiVersion);
}
// Check the VkInstanceCreateInfoFlags wether to allow the portability enumeration flag
if ((pCreateInfo->flags & VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR) == 1) {
ptr_instance->portability_enumeration_flag_bit_set = true;
}
// Make sure the extension has been enabled
if (pCreateInfo->ppEnabledExtensionNames) {
for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME) == 0) {
ptr_instance->portability_enumeration_extension_enabled = true;
if (ptr_instance->portability_enumeration_flag_bit_set) {
ptr_instance->portability_enumeration_enabled = true;
loader_log(ptr_instance, VULKAN_LOADER_INFO_BIT, 0,
"Portability enumeration bit was set, enumerating portability drivers.");
}
}
}
}
// Make sure the application provided API version has the correct variant
if (NULL != pCreateInfo->pApplicationInfo) {
uint32_t variant_version = VK_API_VERSION_VARIANT(pCreateInfo->pApplicationInfo->apiVersion);
const uint32_t expected_variant = 0;
if (expected_variant != variant_version) {
loader_log(ptr_instance, VULKAN_LOADER_WARN_BIT, 0,
"vkCreateInstance: The API Variant specified in pCreateInfo->pApplicationInfo.apiVersion is %d instead of "
"the expected value of %d.",
variant_version, expected_variant);
}
}
res = parse_layer_environment_var_filters(ptr_instance, &layer_filters);
if (VK_SUCCESS != res) {
goto out;
}
// Due to implicit layers need to get layer list even if
// enabledLayerCount == 0 and VK_INSTANCE_LAYERS is unset. For now always
// get layer list via loader_scan_for_layers().
memset(&ptr_instance->instance_layer_list, 0, sizeof(ptr_instance->instance_layer_list));
res = loader_scan_for_layers(ptr_instance, &ptr_instance->instance_layer_list, &layer_filters);
if (VK_SUCCESS != res) {
goto out;
}
// Validate the app requested layers to be enabled
if (pCreateInfo->enabledLayerCount > 0) {
res = loader_validate_layers(ptr_instance, pCreateInfo->enabledLayerCount, pCreateInfo->ppEnabledLayerNames,
&ptr_instance->instance_layer_list);
if (res != VK_SUCCESS) {
goto out;
}
}
// Scan/discover all System and Environment Variable ICD libraries
bool skipped_portability_drivers = false;
res = loader_icd_scan(ptr_instance, &ptr_instance->icd_tramp_list, pCreateInfo, &skipped_portability_drivers);
if (res == VK_ERROR_OUT_OF_HOST_MEMORY) {
goto out;
}
if (ptr_instance->icd_tramp_list.count == 0) {
// No drivers found
if (skipped_portability_drivers) {
if (ptr_instance->portability_enumeration_extension_enabled && !ptr_instance->portability_enumeration_flag_bit_set) {
loader_log(ptr_instance, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_DRIVER_BIT, 0,
"vkCreateInstance: Found drivers that contain devices which support the portability subset, but "
"the instance does not enumerate portability drivers! Applications that wish to enumerate portability "
"drivers must set the VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR bit in the VkInstanceCreateInfo "
"flags.");
} else if (ptr_instance->portability_enumeration_flag_bit_set &&
!ptr_instance->portability_enumeration_extension_enabled) {
loader_log(ptr_instance, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_DRIVER_BIT, 0,
"VkInstanceCreateInfo: If flags has the VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR bit set, the "
"list of enabled extensions in ppEnabledExtensionNames must contain VK_KHR_portability_enumeration "
"[VUID-VkInstanceCreateInfo-flags-06559 ]"
"Applications that wish to enumerate portability drivers must enable the VK_KHR_portability_enumeration "
"instance extension.");
} else {
loader_log(ptr_instance, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_DRIVER_BIT, 0,
"vkCreateInstance: Found drivers that contain devices which support the portability subset, but "
"the instance does not enumerate portability drivers! Applications that wish to enumerate portability "
"drivers must set the VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR bit in the VkInstanceCreateInfo "
"flags and enable the VK_KHR_portability_enumeration instance extension.");
}
}
loader_log(ptr_instance, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_DRIVER_BIT, 0, "vkCreateInstance: Found no drivers!");
res = VK_ERROR_INCOMPATIBLE_DRIVER;
goto out;
}
// Get extensions from all ICD's, merge so no duplicates, then validate
res = loader_get_icd_loader_instance_extensions(ptr_instance, &ptr_instance->icd_tramp_list, &ptr_instance->ext_list);
if (res != VK_SUCCESS) {
goto out;
}
res = loader_validate_instance_extensions(ptr_instance, &ptr_instance->ext_list, &ptr_instance->instance_layer_list,
&layer_filters, &ici);
if (res != VK_SUCCESS) {
goto out;
}
ptr_instance->disp = loader_instance_heap_alloc(ptr_instance, sizeof(struct loader_instance_dispatch_table),
VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
if (ptr_instance->disp == NULL) {
loader_log(ptr_instance, VULKAN_LOADER_ERROR_BIT, 0,
"vkCreateInstance: Failed to allocate Loader's full Instance dispatch table.");
res = VK_ERROR_OUT_OF_HOST_MEMORY;
goto out;
}
memcpy(&ptr_instance->disp->layer_inst_disp, &instance_disp, sizeof(instance_disp));
loader_platform_thread_lock_mutex(&loader_global_instance_list_lock);
ptr_instance->next = loader.instances;
loader.instances = ptr_instance;
loader_platform_thread_unlock_mutex(&loader_global_instance_list_lock);
// Activate any layers on instance chain
res = loader_enable_instance_layers(ptr_instance, &ici, &ptr_instance->instance_layer_list, &layer_filters);
if (res != VK_SUCCESS) {
goto out;
}
created_instance = (VkInstance)ptr_instance;
res = loader_create_instance_chain(&ici, pAllocator, ptr_instance, &created_instance);
if (VK_SUCCESS == res) {
// Check for enabled extensions here to setup the loader structures so the loader knows what extensions
// it needs to worry about.
// We do it in the terminator and again above the layers here since we may think different extensions
// are enabled than what's down in the terminator.
// This is why we don't clear inside of these function calls.
// The clearing should actually be handled by the overall memset of the pInstance structure above.
wsi_create_instance(ptr_instance, &ici);
check_for_enabled_debug_extensions(ptr_instance, &ici);
extensions_create_instance(ptr_instance, &ici);
*pInstance = (VkInstance)ptr_instance;
// Finally have the layers in place and everyone has seen
// the CreateInstance command go by. This allows the layer's
// GetInstanceProcAddr functions to return valid extension functions
// if enabled.
loader_activate_instance_layer_extensions(ptr_instance, created_instance);
ptr_instance->instance_finished_creation = true;
} else if (VK_ERROR_EXTENSION_NOT_PRESENT == res && !ptr_instance->create_terminator_invalid_extension) {
loader_log(ptr_instance, VULKAN_LOADER_WARN_BIT, 0,
"vkCreateInstance: Layer returning invalid extension error not triggered by ICD/Loader (Policy #LLP_LAYER_17).");
}
out:
if (NULL != ptr_instance) {
if (res != VK_SUCCESS) {
loader_platform_thread_lock_mutex(&loader_global_instance_list_lock);
// error path, should clean everything up
if (loader.instances == ptr_instance) {
loader.instances = ptr_instance->next;
}
loader_platform_thread_unlock_mutex(&loader_global_instance_list_lock);
free_loader_settings(ptr_instance, &ptr_instance->settings);
loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&ptr_instance->surfaces_list);
loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&ptr_instance->debug_utils_messengers_list);
loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&ptr_instance->debug_report_callbacks_list);
loader_instance_heap_free(ptr_instance, ptr_instance->disp);
// Remove any created VK_EXT_debug_report or VK_EXT_debug_utils items
destroy_debug_callbacks_chain(ptr_instance, pAllocator);
loader_destroy_pointer_layer_list(ptr_instance, &ptr_instance->expanded_activated_layer_list);
loader_destroy_pointer_layer_list(ptr_instance, &ptr_instance->app_activated_layer_list);
loader_delete_layer_list_and_properties(ptr_instance, &ptr_instance->instance_layer_list);
loader_clear_scanned_icd_list(ptr_instance, &ptr_instance->icd_tramp_list);
loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&ptr_instance->ext_list);
// Free any icd_terms that were created.
// If an OOM occurs from a layer, terminator_CreateInstance won't be reached where this kind of
// cleanup normally occurs
struct loader_icd_term *icd_term = NULL;
while (NULL != ptr_instance->icd_terms) {
icd_term = ptr_instance->icd_terms;
// Call destroy Instance on each driver in case we successfully called down the chain but failed on
// our way back out of it.
if (icd_term->instance) {
loader_icd_close_objects(ptr_instance, icd_term);
icd_term->dispatch.DestroyInstance(icd_term->instance, pAllocator);
}
icd_term->instance = VK_NULL_HANDLE;
ptr_instance->icd_terms = icd_term->next;
loader_icd_destroy(ptr_instance, icd_term, pAllocator);
}
free_string_list(ptr_instance, &ptr_instance->enabled_layer_names);
loader_instance_heap_free(ptr_instance, ptr_instance);
} else {
// success path, swap out created debug callbacks out so they aren't used until instance destruction
loader_remove_instance_only_debug_funcs(ptr_instance);
}
// Only unlock when ptr_instance isn't NULL, as if it is, the above code didn't make it to when loader_lock was locked.
loader_platform_thread_unlock_mutex(&loader_lock);
}
return res;
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyInstance(VkInstance instance, const VkAllocationCallbacks *pAllocator) {
const VkLayerInstanceDispatchTable *disp;
struct loader_instance *ptr_instance = NULL;
if (instance == VK_NULL_HANDLE) {
return;
}
loader_platform_thread_lock_mutex(&loader_lock);
ptr_instance = loader_get_instance(instance);
if (ptr_instance == NULL) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkDestroyInstance: Invalid instance [VUID-vkDestroyInstance-instance-parameter]");
loader_platform_thread_unlock_mutex(&loader_lock);
abort(); /* Intentionally fail so user can correct issue. */
}
if (pAllocator) {
ptr_instance->alloc_callbacks = *pAllocator;
}
// Remove any callbacks that weren't cleaned up by the application
destroy_debug_callbacks_chain(ptr_instance, pAllocator);
// Swap in the debug callbacks created during instance creation
loader_add_instance_only_debug_funcs(ptr_instance);
disp = loader_get_instance_layer_dispatch(instance);
disp->DestroyInstance(ptr_instance->instance, pAllocator);
free_loader_settings(ptr_instance, &ptr_instance->settings);
loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&ptr_instance->surfaces_list);
loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&ptr_instance->debug_utils_messengers_list);
loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&ptr_instance->debug_report_callbacks_list);
loader_destroy_pointer_layer_list(ptr_instance, &ptr_instance->expanded_activated_layer_list);
loader_destroy_pointer_layer_list(ptr_instance, &ptr_instance->app_activated_layer_list);
loader_delete_layer_list_and_properties(ptr_instance, &ptr_instance->instance_layer_list);
free_string_list(ptr_instance, &ptr_instance->enabled_layer_names);
if (ptr_instance->phys_devs_tramp) {
for (uint32_t i = 0; i < ptr_instance->phys_dev_count_tramp; i++) {
loader_instance_heap_free(ptr_instance, ptr_instance->phys_devs_tramp[i]);
}
loader_instance_heap_free(ptr_instance, ptr_instance->phys_devs_tramp);
}
// Destroy the debug callbacks created during instance creation
destroy_debug_callbacks_chain(ptr_instance, pAllocator);
loader_instance_heap_free(ptr_instance, ptr_instance->disp);
loader_instance_heap_free(ptr_instance, ptr_instance);
loader_platform_thread_unlock_mutex(&loader_lock);
// Unload preloaded layers, so if vkEnumerateInstanceExtensionProperties or vkCreateInstance is called again, the ICD's are
// up to date
loader_unload_preloaded_icds();
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumeratePhysicalDevices(VkInstance instance, uint32_t *pPhysicalDeviceCount,
VkPhysicalDevice *pPhysicalDevices) {
VkResult res = VK_SUCCESS;
struct loader_instance *inst;
loader_platform_thread_lock_mutex(&loader_lock);
inst = loader_get_instance(instance);
if (NULL == inst) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkEnumeratePhysicalDevices: Invalid instance [VUID-vkEnumeratePhysicalDevices-instance-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
if (NULL == pPhysicalDeviceCount) {
loader_log(inst, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkEnumeratePhysicalDevices: Received NULL pointer for physical device count return value. "
"[VUID-vkEnumeratePhysicalDevices-pPhysicalDeviceCount-parameter]");
res = VK_ERROR_INITIALIZATION_FAILED;
goto out;
}
// Call down the chain to get the physical device info
res = inst->disp->layer_inst_disp.EnumeratePhysicalDevices(inst->instance, pPhysicalDeviceCount, pPhysicalDevices);
if (NULL != pPhysicalDevices && (VK_SUCCESS == res || VK_INCOMPLETE == res)) {
// Wrap the PhysDev object for loader usage, return wrapped objects
VkResult update_res = setup_loader_tramp_phys_devs(inst, *pPhysicalDeviceCount, pPhysicalDevices);
if (VK_SUCCESS != update_res) {
res = update_res;
}
// Unloads any drivers that do not expose any physical devices - should save some address space
unload_drivers_without_physical_devices(inst);
}
out:
loader_platform_thread_unlock_mutex(&loader_lock);
return res;
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkGetPhysicalDeviceFeatures(VkPhysicalDevice physicalDevice,
VkPhysicalDeviceFeatures *pFeatures) {
const VkLayerInstanceDispatchTable *disp;
VkPhysicalDevice unwrapped_phys_dev = loader_unwrap_physical_device(physicalDevice);
if (VK_NULL_HANDLE == unwrapped_phys_dev) {
loader_log(
NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetPhysicalDeviceFeatures: Invalid physicalDevice [VUID-vkGetPhysicalDeviceFeatures-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
disp = loader_get_instance_layer_dispatch(physicalDevice);
disp->GetPhysicalDeviceFeatures(unwrapped_phys_dev, pFeatures);
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkGetPhysicalDeviceFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format,
VkFormatProperties *pFormatInfo) {
const VkLayerInstanceDispatchTable *disp;
VkPhysicalDevice unwrapped_phys_dev = loader_unwrap_physical_device(physicalDevice);
if (VK_NULL_HANDLE == unwrapped_phys_dev) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetPhysicalDeviceFormatProperties: Invalid physicalDevice "
"[VUID-vkGetPhysicalDeviceFormatProperties-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
disp = loader_get_instance_layer_dispatch(physicalDevice);
disp->GetPhysicalDeviceFormatProperties(unwrapped_phys_dev, format, pFormatInfo);
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkGetPhysicalDeviceImageFormatProperties(
VkPhysicalDevice physicalDevice, VkFormat format, VkImageType type, VkImageTiling tiling, VkImageUsageFlags usage,
VkImageCreateFlags flags, VkImageFormatProperties *pImageFormatProperties) {
const VkLayerInstanceDispatchTable *disp;
VkPhysicalDevice unwrapped_phys_dev = loader_unwrap_physical_device(physicalDevice);
if (VK_NULL_HANDLE == unwrapped_phys_dev) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetPhysicalDeviceImageFormatProperties: Invalid physicalDevice "
"[VUID-vkGetPhysicalDeviceImageFormatProperties-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
disp = loader_get_instance_layer_dispatch(physicalDevice);
return disp->GetPhysicalDeviceImageFormatProperties(unwrapped_phys_dev, format, type, tiling, usage, flags,
pImageFormatProperties);
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkGetPhysicalDeviceProperties(VkPhysicalDevice physicalDevice,
VkPhysicalDeviceProperties *pProperties) {
const VkLayerInstanceDispatchTable *disp;
VkPhysicalDevice unwrapped_phys_dev = loader_unwrap_physical_device(physicalDevice);
if (VK_NULL_HANDLE == unwrapped_phys_dev) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetPhysicalDeviceProperties: Invalid physicalDevice "
"[VUID-vkGetPhysicalDeviceProperties-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
disp = loader_get_instance_layer_dispatch(physicalDevice);
disp->GetPhysicalDeviceProperties(unwrapped_phys_dev, pProperties);
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkGetPhysicalDeviceQueueFamilyProperties(VkPhysicalDevice physicalDevice,
uint32_t *pQueueFamilyPropertyCount,
VkQueueFamilyProperties *pQueueProperties) {
const VkLayerInstanceDispatchTable *disp;
VkPhysicalDevice unwrapped_phys_dev = loader_unwrap_physical_device(physicalDevice);
if (VK_NULL_HANDLE == unwrapped_phys_dev) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetPhysicalDeviceQueueFamilyProperties: Invalid physicalDevice "
"[VUID-vkGetPhysicalDeviceQueueFamilyProperties-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
disp = loader_get_instance_layer_dispatch(physicalDevice);
disp->GetPhysicalDeviceQueueFamilyProperties(unwrapped_phys_dev, pQueueFamilyPropertyCount, pQueueProperties);
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkGetPhysicalDeviceMemoryProperties(VkPhysicalDevice physicalDevice,
VkPhysicalDeviceMemoryProperties *pMemoryProperties) {
const VkLayerInstanceDispatchTable *disp;
VkPhysicalDevice unwrapped_phys_dev = loader_unwrap_physical_device(physicalDevice);
if (VK_NULL_HANDLE == unwrapped_phys_dev) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetPhysicalDeviceMemoryProperties: Invalid physicalDevice "
"[VUID-vkGetPhysicalDeviceMemoryProperties-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
disp = loader_get_instance_layer_dispatch(physicalDevice);
disp->GetPhysicalDeviceMemoryProperties(unwrapped_phys_dev, pMemoryProperties);
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkCreateDevice(VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo,
const VkAllocationCallbacks *pAllocator, VkDevice *pDevice) {
if (VK_NULL_HANDLE == loader_unwrap_physical_device(physicalDevice)) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkCreateDevice: Invalid physicalDevice [VUID-vkCreateDevice-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
loader_platform_thread_lock_mutex(&loader_lock);
VkResult res = loader_layer_create_device(NULL, physicalDevice, pCreateInfo, pAllocator, pDevice, NULL, NULL);
loader_platform_thread_unlock_mutex(&loader_lock);
return res;
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkDestroyDevice(VkDevice device, const VkAllocationCallbacks *pAllocator) {
const VkLayerDispatchTable *disp;
if (device == VK_NULL_HANDLE) {
return;
}
disp = loader_get_dispatch(device);
if (NULL == disp) {
loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkDestroyDevice: Invalid device [VUID-vkDestroyDevice-device-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
loader_platform_thread_lock_mutex(&loader_lock);
loader_layer_destroy_device(device, pAllocator, disp->DestroyDevice);
loader_platform_thread_unlock_mutex(&loader_lock);
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateDeviceExtensionProperties(VkPhysicalDevice physicalDevice,
const char *pLayerName, uint32_t *pPropertyCount,
VkExtensionProperties *pProperties) {
VkResult res = VK_SUCCESS;
struct loader_physical_device_tramp *phys_dev;
const VkLayerInstanceDispatchTable *disp;