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trampoline.c
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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.
*
* 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 "log.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_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) {
void *addr;
// For entrypoints that loader must handle (ie non-dispatchable or create object)
// make sure the loader entrypoint is returned
addr = loader_non_passthrough_gdpa(pName);
if (addr) {
return addr;
}
// 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;
// Return the dispatch table entrypoint for the fastest case
const VkLayerDispatchTable *disp_table = *(VkLayerDispatchTable **)device;
if (disp_table == NULL) return NULL;
addr = loader_lookup_device_dispatch_table(disp_table, pName);
if (addr) 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);
// 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_EnumerateInstanceExtensionProperties,
.pNextLink = NULL,
};
VkEnumerateInstanceExtensionPropertiesChain *chain_head = &chain_tail;
// Get the implicit layers
struct loader_layer_list layers;
loader_platform_dl_handle *libs = NULL;
size_t lib_count = 0;
memset(&layers, 0, sizeof(layers));
res = loader_scan_for_implicit_layers(NULL, &layers, &libs);
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 (layers.list[i].pre_instance_functions.enumerate_instance_extension_properties[0] == '\0') {
continue;
}
loader_platform_dl_handle layer_lib = loader_platform_open_library(layers.list[i].lib_name);
if (layer_lib == NULL) {
loader_log(NULL, VULKAN_LOADER_WARN_BIT | VULKAN_LOADER_LAYER_BIT, 0,
"%s: Unable to load implicit layer library \"%s\"", __FUNCTION__, layers.list[i].lib_name);
continue;
}
libs[lib_count++] = layer_lib;
void *pfn = loader_platform_get_proc_address(layer_lib,
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);
}
// Close the dl handles
for (size_t i = 0; i < lib_count; ++i) {
loader_platform_close_library(libs[i]);
}
loader_free(NULL, libs);
return res;
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceLayerProperties(uint32_t *pPropertyCount,
VkLayerProperties *pProperties) {
LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize);
// 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_EnumerateInstanceLayerProperties,
.pNextLink = NULL,
};
VkEnumerateInstanceLayerPropertiesChain *chain_head = &chain_tail;
// Get the implicit layers
struct loader_layer_list layers;
loader_platform_dl_handle *libs = NULL;
size_t lib_count = 0;
memset(&layers, 0, sizeof(layers));
res = loader_scan_for_implicit_layers(NULL, &layers, &libs);
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 (layers.list[i].pre_instance_functions.enumerate_instance_layer_properties[0] == '\0') {
continue;
}
loader_platform_dl_handle layer_lib = loader_platform_open_library(layers.list[i].lib_name);
if (layer_lib == NULL) {
loader_log(NULL, VULKAN_LOADER_WARN_BIT, 0, "%s: Unable to load implicit layer library \"%s\"", __FUNCTION__,
layers.list[i].lib_name);
continue;
}
libs[lib_count++] = layer_lib;
void *pfn =
loader_platform_get_proc_address(layer_lib, 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);
}
// Close the dl handles
for (size_t i = 0; i < lib_count; ++i) {
loader_platform_close_library(libs[i]);
}
loader_free(NULL, libs);
return res;
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateInstanceVersion(uint32_t *pApiVersion) {
LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize);
if (NULL == pApiVersion) {
loader_log(NULL, 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_EnumerateInstanceVersion,
.pNextLink = NULL,
};
VkEnumerateInstanceVersionChain *chain_head = &chain_tail;
// Get the implicit layers
struct loader_layer_list layers;
loader_platform_dl_handle *libs = NULL;
size_t lib_count = 0;
memset(&layers, 0, sizeof(layers));
res = loader_scan_for_implicit_layers(NULL, &layers, &libs);
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 (layers.list[i].pre_instance_functions.enumerate_instance_version[0] == '\0') {
continue;
}
loader_platform_dl_handle layer_lib = loader_platform_open_library(layers.list[i].lib_name);
if (layer_lib == NULL) {
loader_log(NULL, VULKAN_LOADER_WARN_BIT, 0, "%s: Unable to load implicit layer library \"%s\"", __FUNCTION__,
layers.list[i].lib_name);
continue;
}
libs[lib_count++] = layer_lib;
void *pfn = loader_platform_get_proc_address(layer_lib, 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);
}
// Close the dl handles
for (size_t i = 0; i < lib_count; ++i) {
loader_platform_close_library(libs[i]);
}
loader_free(NULL, libs);
return res;
}
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;
LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize);
if (pCreateInfo == NULL) {
loader_log(NULL, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkCreateInstance: \'pCreateInfo\' is NULL (VUID-vkCreateInstance-pCreateInfo-parameter)");
goto out;
}
if (pInstance == NULL) {
loader_log(NULL, 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);
VkInstanceCreateInfo ici = *pCreateInfo;
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;
}
// Check the VkInstanceCreateInfoFlags wether to allow the portability enumeration flag
if ((pCreateInfo->flags & VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR) == 1) {
// Make sure the extension has been enabled
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_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 0 for its variant
if (NULL != pCreateInfo->pApplicationInfo) {
uint32_t variant_version = VK_API_VERSION_VARIANT(pCreateInfo->pApplicationInfo->apiVersion);
if (0 != 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 0.",
variant_version);
}
}
// 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);
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) {
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 "
"portability enumeration bit was not set! 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, &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);
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);
} 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);
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);
if (NULL != ptr_instance->expanded_activated_layer_list.list) {
loader_deactivate_layers(ptr_instance, NULL, &ptr_instance->expanded_activated_layer_list);
}
if (NULL != ptr_instance->app_activated_layer_list.list) {
loader_destroy_layer_list(ptr_instance, NULL, &ptr_instance->app_activated_layer_list);
}
loader_delete_layer_list_and_properties(ptr_instance, &ptr_instance->instance_layer_list);
loader_scanned_icd_clear(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) {
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);
}
for (uint32_t i = 0, n = ptr_instance->enabled_layer_count; i < n; ++i) {
loader_instance_heap_free(ptr_instance, ptr_instance->enabled_layer_names[i]);
}
if (ptr_instance->enabled_layer_count > 0) {
loader_instance_heap_free(ptr_instance, ptr_instance->enabled_layer_names);
memset(&ptr_instance->enabled_layer_names, 0, sizeof(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
ptr_instance->InstanceCreationDeletionDebugFunctionHead = ptr_instance->DbgFunctionHead;
ptr_instance->DbgFunctionHead = NULL;
}
// 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_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
ptr_instance->DbgFunctionHead = ptr_instance->InstanceCreationDeletionDebugFunctionHead;
ptr_instance->InstanceCreationDeletionDebugFunctionHead = NULL;
disp = loader_get_instance_layer_dispatch(instance);
disp->DestroyInstance(ptr_instance->instance, pAllocator);
if (NULL != ptr_instance->expanded_activated_layer_list.list) {
loader_deactivate_layers(ptr_instance, NULL, &ptr_instance->expanded_activated_layer_list);
}
if (NULL != ptr_instance->app_activated_layer_list.list) {
loader_destroy_layer_list(ptr_instance, NULL, &ptr_instance->app_activated_layer_list);
}
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_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_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;
}
}
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_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_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_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_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_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_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_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_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;
phys_dev = (struct loader_physical_device_tramp *)physicalDevice;
if (VK_NULL_HANDLE == physicalDevice || PHYS_TRAMP_MAGIC_NUMBER != phys_dev->magic) {
loader_log(NULL, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkEnumerateDeviceExtensionProperties: Invalid physicalDevice "
"[VUID-vkEnumerateDeviceExtensionProperties-physicalDevice-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
loader_platform_thread_lock_mutex(&loader_lock);
// always pass this call down the instance chain which will terminate
// in the ICD. This allows layers to filter the extensions coming back
// up the chain. In the terminator we look up layer extensions from the
// manifest file if it wasn't provided by the layer itself.
disp = loader_get_instance_layer_dispatch(physicalDevice);
res = disp->EnumerateDeviceExtensionProperties(phys_dev->phys_dev, pLayerName, pPropertyCount, pProperties);
loader_platform_thread_unlock_mutex(&loader_lock);
return res;
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkEnumerateDeviceLayerProperties(VkPhysicalDevice physicalDevice,
uint32_t *pPropertyCount,
VkLayerProperties *pProperties) {
uint32_t copy_size;
struct loader_physical_device_tramp *phys_dev;
struct loader_layer_list *enabled_layers, layers_list;
memset(&layers_list, 0, sizeof(layers_list));
loader_platform_thread_lock_mutex(&loader_lock);
// Don't dispatch this call down the instance chain, want all device layers
// enumerated and instance chain may not contain all device layers
// TODO re-evaluate the above statement we maybe able to start calling
// down the chain
phys_dev = (struct loader_physical_device_tramp *)physicalDevice;
if (VK_NULL_HANDLE == physicalDevice || PHYS_TRAMP_MAGIC_NUMBER != phys_dev->magic) {
loader_log(NULL, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkEnumerateDeviceLayerProperties: Invalid physicalDevice "
"[VUID-vkEnumerateDeviceLayerProperties-physicalDevice-parameter]");
loader_platform_thread_unlock_mutex(&loader_lock);
abort(); /* Intentionally fail so user can correct issue. */
}
const struct loader_instance *inst = phys_dev->this_instance;
uint32_t count = inst->app_activated_layer_list.count;
if (count == 0 || pProperties == NULL) {
*pPropertyCount = count;
loader_platform_thread_unlock_mutex(&loader_lock);
return VK_SUCCESS;
}
enabled_layers = (struct loader_layer_list *)&inst->app_activated_layer_list;
copy_size = (*pPropertyCount < count) ? *pPropertyCount : count;
for (uint32_t i = 0; i < copy_size; i++) {
memcpy(&pProperties[i], &(enabled_layers->list[i].info), sizeof(VkLayerProperties));
}
*pPropertyCount = copy_size;
if (copy_size < count) {
loader_platform_thread_unlock_mutex(&loader_lock);
return VK_INCOMPLETE;
}
loader_platform_thread_unlock_mutex(&loader_lock);
return VK_SUCCESS;
}
LOADER_EXPORT VKAPI_ATTR void VKAPI_CALL vkGetDeviceQueue(VkDevice device, uint32_t queueNodeIndex, uint32_t queueIndex,
VkQueue *pQueue) {
const VkLayerDispatchTable *disp = loader_get_dispatch(device);
if (NULL == disp) {
loader_log(NULL, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkGetDeviceQueue: Invalid device [VUID-vkGetDeviceQueue-device-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
disp->GetDeviceQueue(device, queueNodeIndex, queueIndex, pQueue);
if (pQueue != NULL && *pQueue != NULL) {
loader_set_dispatch(*pQueue, disp);
}
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkQueueSubmit(VkQueue queue, uint32_t submitCount, const VkSubmitInfo *pSubmits,
VkFence fence) {
const VkLayerDispatchTable *disp = loader_get_dispatch(queue);
if (NULL == disp) {
loader_log(NULL, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkQueueSubmit: Invalid queue [VUID-vkQueueSubmit-queue-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
return disp->QueueSubmit(queue, submitCount, pSubmits, fence);
}
LOADER_EXPORT VKAPI_ATTR VkResult VKAPI_CALL vkQueueWaitIdle(VkQueue queue) {
const VkLayerDispatchTable *disp = loader_get_dispatch(queue);
if (NULL == disp) {
loader_log(NULL, VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
"vkQueueWaitIdle: Invalid queue [VUID-vkQueueWaitIdle-queue-parameter]");
abort(); /* Intentionally fail so user can correct issue. */
}
return disp->QueueWaitIdle(queue);
}