diff options
Diffstat (limited to 'third_party/vulkan/loader/loader.c')
| -rw-r--r-- | third_party/vulkan/loader/loader.c | 6065 |
1 files changed, 0 insertions, 6065 deletions
diff --git a/third_party/vulkan/loader/loader.c b/third_party/vulkan/loader/loader.c deleted file mode 100644 index f1bc58976..000000000 --- a/third_party/vulkan/loader/loader.c +++ /dev/null @@ -1,6065 +0,0 @@ -/* - * - * Copyright (c) 2014-2018 The Khronos Group Inc. - * Copyright (c) 2014-2018 Valve Corporation - * Copyright (c) 2014-2018 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: Jon Ashburn <jon@lunarg.com> - * Author: Courtney Goeltzenleuchter <courtney@LunarG.com> - * Author: Mark Young <marky@lunarg.com> - * Author: Lenny Komow <lenny@lunarg.com> - * - */ - -#define _GNU_SOURCE -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <stdbool.h> -#include <string.h> -#include <stddef.h> - -#include <sys/types.h> -#if defined(_WIN32) -#include "dirent_on_windows.h" -#else // _WIN32 -#include <dirent.h> -#endif // _WIN32 -#include "vk_loader_platform.h" -#include "loader.h" -#include "gpa_helper.h" -#include "debug_report.h" -#include "wsi.h" -#include "vulkan/vk_icd.h" -#include "cJSON.h" -#include "murmurhash.h" - -#if defined(_WIN32) -#include <Cfgmgr32.h> -#include <initguid.h> -#include <Devpkey.h> -#endif - -// This is a CMake generated file with #defines for any functions/includes -// that it found present. This is currently necessary to properly determine -// if secure_getenv or __secure_getenv are present -#if !defined(VULKAN_NON_CMAKE_BUILD) -#include "loader_cmake_config.h" -#endif // !defined(VULKAN_NON_CMAKE_BUILD) - -// Generated file containing all the extension data -#include "vk_loader_extensions.c" - -struct loader_struct loader = {0}; -// TLS for instance for alloc/free callbacks -THREAD_LOCAL_DECL struct loader_instance *tls_instance; - -static size_t loader_platform_combine_path(char *dest, size_t len, ...); - -struct loader_phys_dev_per_icd { - uint32_t count; - VkPhysicalDevice *phys_devs; - struct loader_icd_term *this_icd_term; -}; - -enum loader_debug { - LOADER_INFO_BIT = 0x01, - LOADER_WARN_BIT = 0x02, - LOADER_PERF_BIT = 0x04, - LOADER_ERROR_BIT = 0x08, - LOADER_DEBUG_BIT = 0x10, -}; - -uint32_t g_loader_debug = 0; -uint32_t g_loader_log_msgs = 0; - -// thread safety lock for accessing global data structures such as "loader" -// all entrypoints on the instance chain need to be locked except GPA -// additionally CreateDevice and DestroyDevice needs to be locked -loader_platform_thread_mutex loader_lock; -loader_platform_thread_mutex loader_json_lock; - -LOADER_PLATFORM_THREAD_ONCE_DECLARATION(once_init); - -void *loader_instance_heap_alloc(const struct loader_instance *instance, size_t size, VkSystemAllocationScope alloc_scope) { - void *pMemory = NULL; -#if (DEBUG_DISABLE_APP_ALLOCATORS == 1) - { -#else - if (instance && instance->alloc_callbacks.pfnAllocation) { - // These are internal structures, so it's best to align everything to - // the largest unit size which is the size of a uint64_t. - pMemory = instance->alloc_callbacks.pfnAllocation(instance->alloc_callbacks.pUserData, size, sizeof(uint64_t), alloc_scope); - } else { -#endif - pMemory = malloc(size); - } - - return pMemory; -} - -void loader_instance_heap_free(const struct loader_instance *instance, void *pMemory) { - if (pMemory != NULL) { -#if (DEBUG_DISABLE_APP_ALLOCATORS == 1) - { -#else - if (instance && instance->alloc_callbacks.pfnFree) { - instance->alloc_callbacks.pfnFree(instance->alloc_callbacks.pUserData, pMemory); - } else { -#endif - free(pMemory); - } - } -} - -void *loader_instance_heap_realloc(const struct loader_instance *instance, void *pMemory, size_t orig_size, size_t size, - VkSystemAllocationScope alloc_scope) { - void *pNewMem = NULL; - if (pMemory == NULL || orig_size == 0) { - pNewMem = loader_instance_heap_alloc(instance, size, alloc_scope); - } else if (size == 0) { - loader_instance_heap_free(instance, pMemory); -#if (DEBUG_DISABLE_APP_ALLOCATORS == 1) -#else - } else if (instance && instance->alloc_callbacks.pfnReallocation) { - // These are internal structures, so it's best to align everything to - // the largest unit size which is the size of a uint64_t. - pNewMem = instance->alloc_callbacks.pfnReallocation(instance->alloc_callbacks.pUserData, pMemory, size, sizeof(uint64_t), - alloc_scope); -#endif - } else { - pNewMem = realloc(pMemory, size); - } - return pNewMem; -} - -void *loader_instance_tls_heap_alloc(size_t size) { - return loader_instance_heap_alloc(tls_instance, size, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -} - -void loader_instance_tls_heap_free(void *pMemory) { loader_instance_heap_free(tls_instance, pMemory); } - -void *loader_device_heap_alloc(const struct loader_device *device, size_t size, VkSystemAllocationScope alloc_scope) { - void *pMemory = NULL; -#if (DEBUG_DISABLE_APP_ALLOCATORS == 1) - { -#else - if (device && device->alloc_callbacks.pfnAllocation) { - // These are internal structures, so it's best to align everything to - // the largest unit size which is the size of a uint64_t. - pMemory = device->alloc_callbacks.pfnAllocation(device->alloc_callbacks.pUserData, size, sizeof(uint64_t), alloc_scope); - } else { -#endif - pMemory = malloc(size); - } - return pMemory; -} - -void loader_device_heap_free(const struct loader_device *device, void *pMemory) { - if (pMemory != NULL) { -#if (DEBUG_DISABLE_APP_ALLOCATORS == 1) - { -#else - if (device && device->alloc_callbacks.pfnFree) { - device->alloc_callbacks.pfnFree(device->alloc_callbacks.pUserData, pMemory); - } else { -#endif - free(pMemory); - } - } -} - -void *loader_device_heap_realloc(const struct loader_device *device, void *pMemory, size_t orig_size, size_t size, - VkSystemAllocationScope alloc_scope) { - void *pNewMem = NULL; - if (pMemory == NULL || orig_size == 0) { - pNewMem = loader_device_heap_alloc(device, size, alloc_scope); - } else if (size == 0) { - loader_device_heap_free(device, pMemory); -#if (DEBUG_DISABLE_APP_ALLOCATORS == 1) -#else - } else if (device && device->alloc_callbacks.pfnReallocation) { - // These are internal structures, so it's best to align everything to - // the largest unit size which is the size of a uint64_t. - pNewMem = device->alloc_callbacks.pfnReallocation(device->alloc_callbacks.pUserData, pMemory, size, sizeof(uint64_t), - alloc_scope); -#endif - } else { - pNewMem = realloc(pMemory, size); - } - return pNewMem; -} - -// Environment variables -#if defined(__linux__) - -static inline char *loader_getenv(const char *name, const struct loader_instance *inst) { - // No allocation of memory necessary for Linux, but we should at least touch - // the inst pointer to get rid of compiler warnings. - (void)inst; - return getenv(name); -} - -static inline char *loader_secure_getenv(const char *name, const struct loader_instance *inst) { - // No allocation of memory necessary for Linux, but we should at least touch - // the inst pointer to get rid of compiler warnings. - (void)inst; - -#ifdef HAVE_SECURE_GETENV - return secure_getenv(name); -#elif defined(HAVE___SECURE_GETENV) - return __secure_getenv(name); -#else -#pragma message( \ - "Warning: Falling back to non-secure getenv for environmental lookups! Consider" \ - " updating to a different libc.") - return loader_getenv(name, inst); -#endif -} - -static inline void loader_free_getenv(char *val, const struct loader_instance *inst) { - // No freeing of memory necessary for Linux, but we should at least touch - // the val and inst pointers to get rid of compiler warnings. - (void)val; - (void)inst; -} - -#elif defined(WIN32) - -static inline char *loader_getenv(const char *name, const struct loader_instance *inst) { - char *retVal; - DWORD valSize; - - valSize = GetEnvironmentVariableA(name, NULL, 0); - - // valSize DOES include the null terminator, so for any set variable - // will always be at least 1. If it's 0, the variable wasn't set. - if (valSize == 0) return NULL; - - // Allocate the space necessary for the registry entry - if (NULL != inst && NULL != inst->alloc_callbacks.pfnAllocation) { - retVal = (char *)inst->alloc_callbacks.pfnAllocation(inst->alloc_callbacks.pUserData, valSize, sizeof(char *), - VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); - } else { - retVal = (char *)malloc(valSize); - } - - if (NULL != retVal) { - GetEnvironmentVariableA(name, retVal, valSize); - } - - return retVal; -} - -static inline char *loader_secure_getenv(const char *name, const struct loader_instance *inst) { - // No secure version for Windows as far as I know - return loader_getenv(name, inst); -} - -static inline void loader_free_getenv(char *val, const struct loader_instance *inst) { - if (NULL != inst && NULL != inst->alloc_callbacks.pfnFree) { - inst->alloc_callbacks.pfnFree(inst->alloc_callbacks.pUserData, val); - } else { - free((void *)val); - } -} - -#else - -static inline char *loader_getenv(const char *name, const struct loader_instance *inst) { - // stub func - (void)inst; - (void)name; - return NULL; -} -static inline void loader_free_getenv(char *val, const struct loader_instance *inst) { - // stub func - (void)val; - (void)inst; -} - -#endif - -void loader_log(const struct loader_instance *inst, VkFlags msg_type, int32_t msg_code, const char *format, ...) { - char msg[512]; - char cmd_line_msg[512]; - size_t cmd_line_size = sizeof(cmd_line_msg); - va_list ap; - int ret; - - va_start(ap, format); - ret = vsnprintf(msg, sizeof(msg), format, ap); - if ((ret >= (int)sizeof(msg)) || ret < 0) { - msg[sizeof(msg) - 1] = '\0'; - } - va_end(ap); - - if (inst) { - util_DebugReportMessage(inst, msg_type, VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT, (uint64_t)(uintptr_t)inst, 0, msg_code, - "loader", msg); - } - - if (!(msg_type & g_loader_log_msgs)) { - return; - } - - cmd_line_msg[0] = '\0'; - cmd_line_size -= 1; - size_t original_size = cmd_line_size; - - va_start(ap, format); - if ((msg_type & LOADER_INFO_BIT) != 0) { - strncat(cmd_line_msg, "INFO", cmd_line_size); - cmd_line_size -= 4; - } - if ((msg_type & LOADER_WARN_BIT) != 0) { - if (cmd_line_size != original_size) { - strncat(cmd_line_msg, " | ", cmd_line_size); - cmd_line_size -= 3; - } - strncat(cmd_line_msg, "WARNING", cmd_line_size); - cmd_line_size -= 7; - } - if ((msg_type & LOADER_PERF_BIT) != 0) { - if (cmd_line_size != original_size) { - strncat(cmd_line_msg, " | ", cmd_line_size); - cmd_line_size -= 3; - } - strncat(cmd_line_msg, "PERF", cmd_line_size); - cmd_line_size -= 4; - } - if ((msg_type & LOADER_ERROR_BIT) != 0) { - if (cmd_line_size != original_size) { - strncat(cmd_line_msg, " | ", cmd_line_size); - cmd_line_size -= 3; - } - strncat(cmd_line_msg, "ERROR", cmd_line_size); - cmd_line_size -= 5; - } - if ((msg_type & LOADER_DEBUG_BIT) != 0) { - if (cmd_line_size != original_size) { - strncat(cmd_line_msg, " | ", cmd_line_size); - cmd_line_size -= 3; - } - strncat(cmd_line_msg, "DEBUG", cmd_line_size); - cmd_line_size -= 5; - } - if (cmd_line_size != original_size) { - strncat(cmd_line_msg, ": ", cmd_line_size); - cmd_line_size -= 2; - } - - if (0 < cmd_line_size) { - // If the message is too long, trim it down - if (strlen(msg) > cmd_line_size) { - msg[cmd_line_size - 1] = '\0'; - } - strncat(cmd_line_msg, msg, cmd_line_size); - } else { - // Shouldn't get here, but check to make sure if we've already overrun - // the string boundary - assert(false); - } - -#if defined(WIN32) - OutputDebugString(cmd_line_msg); - OutputDebugString("\n"); -#endif - - fputs(cmd_line_msg, stderr); - fputc('\n', stderr); -} - -VKAPI_ATTR VkResult VKAPI_CALL vkSetInstanceDispatch(VkInstance instance, void *object) { - struct loader_instance *inst = loader_get_instance(instance); - if (!inst) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "vkSetInstanceDispatch: Can not retrieve Instance " - "dispatch table."); - return VK_ERROR_INITIALIZATION_FAILED; - } - loader_set_dispatch(object, inst->disp); - return VK_SUCCESS; -} - -VKAPI_ATTR VkResult VKAPI_CALL vkSetDeviceDispatch(VkDevice device, void *object) { - struct loader_device *dev; - struct loader_icd_term *icd_term = loader_get_icd_and_device(device, &dev, NULL); - - if (NULL == icd_term) { - return VK_ERROR_INITIALIZATION_FAILED; - } - loader_set_dispatch(object, &dev->loader_dispatch); - return VK_SUCCESS; -} - -#if defined(_WIN32) -// Find the list of registry files (names VulkanDriverName/VulkanDriverNameWow) in hkr. -// -// This function looks for filename in given device handle, filename is then added to return list -// function return true if filename was appended to reg_data list -// If error occures result is updated with failure reason -bool loaderGetDeviceRegistryEntry(const struct loader_instance *inst, char **reg_data, PDWORD total_size, DEVINST dev_id, LPCTSTR value_name, VkResult *result) -{ - HKEY hkrKey = INVALID_HANDLE_VALUE; - DWORD requiredSize, data_type; - char *manifest_path = NULL; - bool found = false; - - if (NULL == total_size || NULL == reg_data) { - *result = VK_ERROR_INITIALIZATION_FAILED; - return false; - } - - CONFIGRET status = CM_Open_DevNode_Key(dev_id, KEY_QUERY_VALUE, 0, RegDisposition_OpenExisting, &hkrKey, CM_REGISTRY_SOFTWARE); - if (status != CR_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: Failed to open registry key for DeviceID(%d)", dev_id); - *result = VK_ERROR_INITIALIZATION_FAILED; - return false; - } - - // query value - LSTATUS ret = RegQueryValueEx( - hkrKey, - value_name, - NULL, - NULL, - NULL, - &requiredSize); - - if (ret != ERROR_SUCCESS) { - if (ret == ERROR_FILE_NOT_FOUND) { - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: Device ID(%d) Does not contain a value for \"%s\"", dev_id, value_name); - } else { - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: DeviceID(%d) Failed to obtain %s size", dev_id, value_name); - } - goto out; - } - - manifest_path = loader_instance_heap_alloc(inst, requiredSize, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (manifest_path == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: Failed to allocate space for DriverName."); - *result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - ret = RegQueryValueEx( - hkrKey, - value_name, - NULL, - &data_type, - (BYTE *)manifest_path, - &requiredSize - ); - - if (ret != ERROR_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: DeviceID(%d) Failed to obtain %s", value_name); - - *result = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - if (data_type != REG_SZ && data_type != REG_MULTI_SZ) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: Invalid %s data type. Expected REG_SZ or REG_MULTI_SZ.", value_name); - *result = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - if (NULL == *reg_data) { - *reg_data = loader_instance_heap_alloc(inst, *total_size, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == *reg_data) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: Failed to allocate space for registry data for key %s", manifest_path); - *result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - *reg_data[0] = '\0'; - } else if (strlen(*reg_data) + requiredSize + 1 > *total_size) { - void *new_ptr = loader_instance_heap_realloc(inst, *reg_data, *total_size, *total_size * 2, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_ptr) { - loader_log( - inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetDeviceRegistryEntry: Failed to reallocate space for registry value of size %d for key %s", - *total_size * 2, manifest_path); - *result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - *reg_data = new_ptr; - *total_size *= 2; - } - - for (char *curr_filename = manifest_path; curr_filename[0] != '\0'; curr_filename += strlen(curr_filename) + 1) { - if (strlen(*reg_data) == 0) { - (void)snprintf(*reg_data, requiredSize + 1, "%s", curr_filename); - } else { - (void)snprintf(*reg_data + strlen(*reg_data), requiredSize + 2, "%c%s", PATH_SEPARATOR, curr_filename); - } - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "%s: Located json file \"%s\" from PnP registry: %s", __FUNCTION__, curr_filename, value_name); - - if (data_type == REG_SZ) { - break; - } - } - found = true; - -out: - if (manifest_path != NULL) { - loader_instance_heap_free(inst, manifest_path); - } - RegCloseKey(hkrKey); - return found; -} - -// Find the list of registry files (names VulkanDriverName/VulkanDriverNameWow) in hkr . -// -// This function looks for display devices and childish software components -// for a list of files which are added to a returned list (function return -// value). -// Function return is a string with a ';' separated list of filenames. -// Function return is NULL if no valid name/value pairs are found in the key, -// or the key is not found. -// -// *reg_data contains a string list of filenames as pointer. -// When done using the returned string list, the caller should free the pointer. -VkResult loaderGetDeviceRegistryFiles(const struct loader_instance *inst, char **reg_data, PDWORD reg_data_size, LPCTSTR value_name) { - static const char* softwareComponentGUID = "{5c4c3332-344d-483c-8739-259e934c9cc8}"; - static const char* displayGUID = "{4d36e968-e325-11ce-bfc1-08002be10318}"; - const ULONG flags = CM_GETIDLIST_FILTER_CLASS | CM_GETIDLIST_FILTER_PRESENT; - - char childGuid[MAX_GUID_STRING_LEN + 2]; // +2 for brackets {} - ULONG childGuidSize = sizeof(childGuid); - - DEVINST devID = 0, childID = 0; - char *pDeviceNames = NULL; - ULONG deviceNamesSize = 0; - VkResult result = VK_SUCCESS; - bool found = false; - - if (NULL == reg_data) { - result = VK_ERROR_INITIALIZATION_FAILED; - return result; - } - - // if after obtaining the DeviceNameSize, new device is added start over - do { - CM_Get_Device_ID_List_Size(&deviceNamesSize, displayGUID, flags); - - if (pDeviceNames != NULL) { - loader_instance_heap_free(inst, pDeviceNames); - } - - pDeviceNames = loader_instance_heap_alloc(inst, deviceNamesSize, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (pDeviceNames == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetDeviceRegistryFiles: Failed to allocate space for display device names."); - result = VK_ERROR_OUT_OF_HOST_MEMORY; - return result; - } - } while (CM_Get_Device_ID_List(displayGUID, pDeviceNames, deviceNamesSize, flags) == CR_BUFFER_SMALL); - - if (pDeviceNames) { - - for (char *deviceName = pDeviceNames; *deviceName; deviceName += strlen(deviceName) + 1) { - CONFIGRET status = CM_Locate_DevNode(&devID, deviceName, CM_LOCATE_DEVNODE_NORMAL); - if (CR_SUCCESS != status) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetRegistryFiles: failed to open DevNode %s", deviceName); - continue; - } - ULONG ulStatus, ulProblem; - status = CM_Get_DevNode_Status(&ulStatus, &ulProblem, devID, 0); - - if (CR_SUCCESS != status) - { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetRegistryFiles: failed to probe device status %s", deviceName); - continue; - } - if ((ulStatus & DN_HAS_PROBLEM) && (ulProblem == CM_PROB_NEED_RESTART || ulProblem == DN_NEED_RESTART)) - { - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "loaderGetRegistryFiles: device %s is pending reboot, skipping ...", deviceName); - continue; - } - - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "loaderGetRegistryFiles: opening device %s", deviceName); - - if (loaderGetDeviceRegistryEntry(inst, reg_data, reg_data_size, devID, value_name, &result)) { - found = true; - continue; - } - else if (result == VK_ERROR_OUT_OF_HOST_MEMORY) { - break; - } - - status = CM_Get_Child(&childID, devID, 0); - if (status != CR_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "loaderGetRegistryFiles: unable to open child-device error:%d", status); - continue; - } - - do { - char buffer[MAX_DEVICE_ID_LEN]; - CM_Get_Device_ID(childID, buffer, MAX_DEVICE_ID_LEN, 0); - - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "loaderGetRegistryFiles: Opening child device %d - %s", childID, buffer); - - status = CM_Get_DevNode_Registry_Property(childID, CM_DRP_CLASSGUID, NULL, &childGuid, &childGuidSize, 0); - if (status != CR_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetRegistryFiles: unable to obtain GUID for:%d error:%d", childID, status); - - result = VK_ERROR_INITIALIZATION_FAILED; - continue; - } - - if (strcmp(childGuid, softwareComponentGUID) != 0) { - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, - "loaderGetRegistryFiles: GUID for %d is not SoftwareComponent skipping", childID); - continue; - } - - if (loaderGetDeviceRegistryEntry(inst, reg_data, reg_data_size, childID, value_name, &result)) { - found = true; - break; // check next-display-device - } - - } while (CM_Get_Sibling(&childID, childID, 0) == CR_SUCCESS); - } - - loader_instance_heap_free(inst, pDeviceNames); - } - - if (!found && result != VK_ERROR_OUT_OF_HOST_MEMORY) { - result = VK_ERROR_INITIALIZATION_FAILED; - } - - return result; -} - -static char *loader_get_next_path(char *path); - -// Find the list of registry files (names within a key) in key "location". -// -// This function looks in the registry (hive = DEFAULT_VK_REGISTRY_HIVE) key as -// given in "location" -// for a list or name/values which are added to a returned list (function return -// value). -// The DWORD values within the key must be 0 or they are skipped. -// Function return is a string with a ';' separated list of filenames. -// Function return is NULL if no valid name/value pairs are found in the key, -// or the key is not found. -// -// *reg_data contains a string list of filenames as pointer. -// When done using the returned string list, the caller should free the pointer. -VkResult loaderGetRegistryFiles(const struct loader_instance *inst, char *location, bool use_secondary_hive, char **reg_data, PDWORD reg_data_size) { - LONG rtn_value; - HKEY hive = DEFAULT_VK_REGISTRY_HIVE, key; - DWORD access_flags; - char name[2048]; - char *loc = location; - char *next; - DWORD idx; - DWORD name_size = sizeof(name); - DWORD value; - DWORD value_size = sizeof(value); - VkResult result = VK_SUCCESS; - bool found = false; - - if (NULL == reg_data) { - result = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - while (*loc) { - next = loader_get_next_path(loc); - access_flags = KEY_QUERY_VALUE; - rtn_value = RegOpenKeyEx(hive, loc, 0, access_flags, &key); - if (ERROR_SUCCESS == rtn_value) { - idx = 0; - while ((rtn_value = RegEnumValue(key, idx++, name, &name_size, NULL, NULL, (LPBYTE)&value, &value_size)) == - ERROR_SUCCESS) { - if (value_size == sizeof(value) && value == 0) { - if (NULL == *reg_data) { - *reg_data = loader_instance_heap_alloc(inst, *reg_data_size, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == *reg_data) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetRegistryFiles: Failed to allocate space for registry data for key %s", name); - RegCloseKey(key); - result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - *reg_data[0] = '\0'; - } else if (strlen(*reg_data) + name_size + 1 > *reg_data_size) { - void *new_ptr = loader_instance_heap_realloc(inst, *reg_data, *reg_data_size, *reg_data_size * 2, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_ptr) { - loader_log( - inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loaderGetRegistryFiles: Failed to reallocate space for registry value of size %d for key %s", - *reg_data_size * 2, name); - RegCloseKey(key); - result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - *reg_data = new_ptr; - *reg_data_size *= 2; - } - loader_log( - inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Located json file \"%s\" from registry \"%s\\%s\"", name, - hive == DEFAULT_VK_REGISTRY_HIVE ? DEFAULT_VK_REGISTRY_HIVE_STR : SECONDARY_VK_REGISTRY_HIVE_STR, location); - if (strlen(*reg_data) == 0) { - (void)snprintf(*reg_data, name_size + 1, "%s", name); - } else { - (void)snprintf(*reg_data + strlen(*reg_data), name_size + 2, "%c%s", PATH_SEPARATOR, name); - } - found = true; - } - name_size = 2048; - } - RegCloseKey(key); - } - - // Advance the location - if the next location is in the secondary hive, then reset the locations and advance the hive - if (use_secondary_hive && (hive == DEFAULT_VK_REGISTRY_HIVE) && (*next == '\0')) { - loc = location; - hive = SECONDARY_VK_REGISTRY_HIVE; - } else { - loc = next; - } - } - - if (!found && result != VK_ERROR_OUT_OF_HOST_MEMORY) { - result = VK_ERROR_INITIALIZATION_FAILED; - } - -out: - - return result; -} - -#endif // WIN32 - -// Combine path elements, separating each element with the platform-specific -// directory separator, and save the combined string to a destination buffer, -// not exceeding the given length. Path elements are given as variable args, -// with a NULL element terminating the list. -// -// \returns the total length of the combined string, not including an ASCII -// NUL termination character. This length may exceed the available storage: -// in this case, the written string will be truncated to avoid a buffer -// overrun, and the return value will greater than or equal to the storage -// size. A NULL argument may be provided as the destination buffer in order -// to determine the required string length without actually writing a string. -static size_t loader_platform_combine_path(char *dest, size_t len, ...) { - size_t required_len = 0; - va_list ap; - const char *component; - - va_start(ap, len); - - while ((component = va_arg(ap, const char *))) { - if (required_len > 0) { - // This path element is not the first non-empty element; prepend - // a directory separator if space allows - if (dest && required_len + 1 < len) { - (void)snprintf(dest + required_len, len - required_len, "%c", DIRECTORY_SYMBOL); - } - required_len++; - } - - if (dest && required_len < len) { - strncpy(dest + required_len, component, len - required_len); - } - required_len += strlen(component); - } - - va_end(ap); - - // strncpy(3) won't add a NUL terminating byte in the event of truncation. - if (dest && required_len >= len) { - dest[len - 1] = '\0'; - } - - return required_len; -} - -// Given string of three part form "maj.min.pat" convert to a vulkan version number. -static uint32_t loader_make_version(char *vers_str) { - uint32_t vers = 0, major = 0, minor = 0, patch = 0; - char *vers_tok; - - if (!vers_str) { - return vers; - } - - vers_tok = strtok(vers_str, ".\"\n\r"); - if (NULL != vers_tok) { - major = (uint16_t)atoi(vers_tok); - vers_tok = strtok(NULL, ".\"\n\r"); - if (NULL != vers_tok) { - minor = (uint16_t)atoi(vers_tok); - vers_tok = strtok(NULL, ".\"\n\r"); - if (NULL != vers_tok) { - patch = (uint16_t)atoi(vers_tok); - } - } - } - - return VK_MAKE_VERSION(major, minor, patch); -} - -bool compare_vk_extension_properties(const VkExtensionProperties *op1, const VkExtensionProperties *op2) { - return strcmp(op1->extensionName, op2->extensionName) == 0 ? true : false; -} - -// Search the given ext_array for an extension matching the given vk_ext_prop -bool has_vk_extension_property_array(const VkExtensionProperties *vk_ext_prop, const uint32_t count, - const VkExtensionProperties *ext_array) { - for (uint32_t i = 0; i < count; i++) { - if (compare_vk_extension_properties(vk_ext_prop, &ext_array[i])) return true; - } - return false; -} - -// Search the given ext_list for an extension matching the given vk_ext_prop -bool has_vk_extension_property(const VkExtensionProperties *vk_ext_prop, const struct loader_extension_list *ext_list) { - for (uint32_t i = 0; i < ext_list->count; i++) { - if (compare_vk_extension_properties(&ext_list->list[i], vk_ext_prop)) return true; - } - return false; -} - -// Search the given ext_list for a device extension matching the given ext_prop -bool has_vk_dev_ext_property(const VkExtensionProperties *ext_prop, const struct loader_device_extension_list *ext_list) { - for (uint32_t i = 0; i < ext_list->count; i++) { - if (compare_vk_extension_properties(&ext_list->list[i].props, ext_prop)) return true; - } - return false; -} - -// Search the given layer list for a layer matching the given layer name -static struct loader_layer_properties *loader_get_layer_property(const char *name, const struct loader_layer_list *layer_list) { - for (uint32_t i = 0; i < layer_list->count; i++) { - const VkLayerProperties *item = &layer_list->list[i].info; - if (strcmp(name, item->layerName) == 0) return &layer_list->list[i]; - } - return NULL; -} - -// Get the next unused layer property in the list. Init the property to zero. -static struct loader_layer_properties *loader_get_next_layer_property(const struct loader_instance *inst, - struct loader_layer_list *layer_list) { - if (layer_list->capacity == 0) { - layer_list->list = - loader_instance_heap_alloc(inst, sizeof(struct loader_layer_properties) * 64, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (layer_list->list == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_next_layer_property: Out of memory can " - "not add any layer properties to list"); - return NULL; - } - memset(layer_list->list, 0, sizeof(struct loader_layer_properties) * 64); - layer_list->capacity = sizeof(struct loader_layer_properties) * 64; - } - - // Ensure enough room to add an entry - if ((layer_list->count + 1) * sizeof(struct loader_layer_properties) > layer_list->capacity) { - void *new_ptr = loader_instance_heap_realloc(inst, layer_list->list, layer_list->capacity, layer_list->capacity * 2, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_ptr) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_get_next_layer_property: realloc failed for layer list"); - return NULL; - } - layer_list->list = new_ptr; - layer_list->capacity *= 2; - } - - layer_list->count++; - return &(layer_list->list[layer_list->count - 1]); -} - -// Remove all layer properties entries from the list -void loader_delete_layer_properties(const struct loader_instance *inst, struct loader_layer_list *layer_list) { - uint32_t i, j, k; - struct loader_device_extension_list *dev_ext_list; - struct loader_dev_ext_props *ext_props; - if (!layer_list) return; - - for (i = 0; i < layer_list->count; i++) { - if (NULL != layer_list->list[i].component_layer_names) { - loader_instance_heap_free(inst, layer_list->list[i].component_layer_names); - layer_list->list[i].component_layer_names = NULL; - } - loader_destroy_generic_list(inst, (struct loader_generic_list *)&layer_list->list[i].instance_extension_list); - dev_ext_list = &layer_list->list[i].device_extension_list; - if (dev_ext_list->capacity > 0 && NULL != dev_ext_list->list) { - for (j = 0; j < dev_ext_list->count; j++) { - ext_props = &dev_ext_list->list[j]; - if (ext_props->entrypoint_count > 0) { - for (k = 0; k < ext_props->entrypoint_count; k++) { - loader_instance_heap_free(inst, ext_props->entrypoints[k]); - } - loader_instance_heap_free(inst, ext_props->entrypoints); - } - } - } - loader_destroy_generic_list(inst, (struct loader_generic_list *)dev_ext_list); - } - layer_list->count = 0; - - if (layer_list->capacity > 0) { - layer_list->capacity = 0; - loader_instance_heap_free(inst, layer_list->list); - } -} - -static VkResult loader_add_instance_extensions(const struct loader_instance *inst, - const PFN_vkEnumerateInstanceExtensionProperties fp_get_props, const char *lib_name, - struct loader_extension_list *ext_list) { - uint32_t i, count = 0; - VkExtensionProperties *ext_props; - VkResult res = VK_SUCCESS; - - if (!fp_get_props) { - // No EnumerateInstanceExtensionProperties defined - goto out; - } - - res = fp_get_props(NULL, &count, NULL); - if (res != VK_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_instance_extensions: Error getting Instance " - "extension count from %s", - lib_name); - goto out; - } - - if (count == 0) { - // No ExtensionProperties to report - goto out; - } - - ext_props = loader_stack_alloc(count * sizeof(VkExtensionProperties)); - if (NULL == ext_props) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - res = fp_get_props(NULL, &count, ext_props); - if (res != VK_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_instance_extensions: Error getting Instance " - "extensions from %s", - lib_name); - goto out; - } - - for (i = 0; i < count; i++) { - char spec_version[64]; - - bool ext_unsupported = wsi_unsupported_instance_extension(&ext_props[i]); - if (!ext_unsupported) { - (void)snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", VK_VERSION_MAJOR(ext_props[i].specVersion), - VK_VERSION_MINOR(ext_props[i].specVersion), VK_VERSION_PATCH(ext_props[i].specVersion)); - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Instance Extension: %s (%s) version %s", ext_props[i].extensionName, - lib_name, spec_version); - - res = loader_add_to_ext_list(inst, ext_list, 1, &ext_props[i]); - if (res != VK_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_instance_extensions: Failed to add %s " - "to Instance extension list", - lib_name); - goto out; - } - } - } - -out: - return res; -} - -// Initialize ext_list with the physical device extensions. -// The extension properties are passed as inputs in count and ext_props. -static VkResult loader_init_device_extensions(const struct loader_instance *inst, struct loader_physical_device_term *phys_dev_term, - uint32_t count, VkExtensionProperties *ext_props, - struct loader_extension_list *ext_list) { - VkResult res; - uint32_t i; - - res = loader_init_generic_list(inst, (struct loader_generic_list *)ext_list, sizeof(VkExtensionProperties)); - if (VK_SUCCESS != res) { - return res; - } - - for (i = 0; i < count; i++) { - char spec_version[64]; - (void)snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", VK_VERSION_MAJOR(ext_props[i].specVersion), - VK_VERSION_MINOR(ext_props[i].specVersion), VK_VERSION_PATCH(ext_props[i].specVersion)); - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Device Extension: %s (%s) version %s", ext_props[i].extensionName, - phys_dev_term->this_icd_term->scanned_icd->lib_name, spec_version); - res = loader_add_to_ext_list(inst, ext_list, 1, &ext_props[i]); - if (res != VK_SUCCESS) return res; - } - - return VK_SUCCESS; -} - -VkResult loader_add_device_extensions(const struct loader_instance *inst, - PFN_vkEnumerateDeviceExtensionProperties fpEnumerateDeviceExtensionProperties, - VkPhysicalDevice physical_device, const char *lib_name, - struct loader_extension_list *ext_list) { - uint32_t i, count; - VkResult res; - VkExtensionProperties *ext_props; - - res = fpEnumerateDeviceExtensionProperties(physical_device, NULL, &count, NULL); - if (res == VK_SUCCESS && count > 0) { - ext_props = loader_stack_alloc(count * sizeof(VkExtensionProperties)); - if (!ext_props) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_device_extensions: Failed to allocate space" - " for device extension properties."); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - res = fpEnumerateDeviceExtensionProperties(physical_device, NULL, &count, ext_props); - if (res != VK_SUCCESS) { - return res; - } - for (i = 0; i < count; i++) { - char spec_version[64]; - (void)snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", VK_VERSION_MAJOR(ext_props[i].specVersion), - VK_VERSION_MINOR(ext_props[i].specVersion), VK_VERSION_PATCH(ext_props[i].specVersion)); - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Device Extension: %s (%s) version %s", ext_props[i].extensionName, - lib_name, spec_version); - res = loader_add_to_ext_list(inst, ext_list, 1, &ext_props[i]); - if (res != VK_SUCCESS) { - return res; - } - } - } else { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_device_extensions: Error getting physical " - "device extension info count from library %s", - lib_name); - return res; - } - - return VK_SUCCESS; -} - -VkResult loader_init_generic_list(const struct loader_instance *inst, struct loader_generic_list *list_info, size_t element_size) { - size_t capacity = 32 * element_size; - list_info->count = 0; - list_info->capacity = 0; - list_info->list = loader_instance_heap_alloc(inst, capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (list_info->list == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_init_generic_list: Failed to allocate space " - "for generic list"); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - memset(list_info->list, 0, capacity); - list_info->capacity = capacity; - return VK_SUCCESS; -} - -void loader_destroy_generic_list(const struct loader_instance *inst, struct loader_generic_list *list) { - loader_instance_heap_free(inst, list->list); - list->count = 0; - list->capacity = 0; -} - -// Append non-duplicate extension properties defined in props to the given ext_list. -// Return - Vk_SUCCESS on success -VkResult loader_add_to_ext_list(const struct loader_instance *inst, struct loader_extension_list *ext_list, - uint32_t prop_list_count, const VkExtensionProperties *props) { - uint32_t i; - const VkExtensionProperties *cur_ext; - - if (ext_list->list == NULL || ext_list->capacity == 0) { - VkResult res = loader_init_generic_list(inst, (struct loader_generic_list *)ext_list, sizeof(VkExtensionProperties)); - if (VK_SUCCESS != res) { - return res; - } - } - - for (i = 0; i < prop_list_count; i++) { - cur_ext = &props[i]; - - // look for duplicates - if (has_vk_extension_property(cur_ext, ext_list)) { - continue; - } - - // add to list at end - // check for enough capacity - if (ext_list->count * sizeof(VkExtensionProperties) >= ext_list->capacity) { - void *new_ptr = loader_instance_heap_realloc(inst, ext_list->list, ext_list->capacity, ext_list->capacity * 2, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (new_ptr == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_to_ext_list: Failed to reallocate " - "space for extension list"); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - ext_list->list = new_ptr; - - // double capacity - ext_list->capacity *= 2; - } - - memcpy(&ext_list->list[ext_list->count], cur_ext, sizeof(VkExtensionProperties)); - ext_list->count++; - } - return VK_SUCCESS; -} - -// Append one extension property defined in props with entrypoints defined in entries to the given -// ext_list. Do not append if a duplicate. -// Return - Vk_SUCCESS on success -VkResult loader_add_to_dev_ext_list(const struct loader_instance *inst, struct loader_device_extension_list *ext_list, - const VkExtensionProperties *props, uint32_t entry_count, char **entrys) { - uint32_t idx; - if (ext_list->list == NULL || ext_list->capacity == 0) { - VkResult res = loader_init_generic_list(inst, (struct loader_generic_list *)ext_list, sizeof(struct loader_dev_ext_props)); - if (VK_SUCCESS != res) { - return res; - } - } - - // look for duplicates - if (has_vk_dev_ext_property(props, ext_list)) { - return VK_SUCCESS; - } - - idx = ext_list->count; - // add to list at end - // check for enough capacity - if (idx * sizeof(struct loader_dev_ext_props) >= ext_list->capacity) { - void *new_ptr = loader_instance_heap_realloc(inst, ext_list->list, ext_list->capacity, ext_list->capacity * 2, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - - if (NULL == new_ptr) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_to_dev_ext_list: Failed to reallocate space for device extension list"); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - ext_list->list = new_ptr; - - // double capacity - ext_list->capacity *= 2; - } - - memcpy(&ext_list->list[idx].props, props, sizeof(*props)); - ext_list->list[idx].entrypoint_count = entry_count; - if (entry_count == 0) { - ext_list->list[idx].entrypoints = NULL; - } else { - ext_list->list[idx].entrypoints = - loader_instance_heap_alloc(inst, sizeof(char *) * entry_count, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (ext_list->list[idx].entrypoints == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_to_dev_ext_list: Failed to allocate space " - "for device extension entrypoint list in list %d", - idx); - ext_list->list[idx].entrypoint_count = 0; - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - for (uint32_t i = 0; i < entry_count; i++) { - ext_list->list[idx].entrypoints[i] = - loader_instance_heap_alloc(inst, strlen(entrys[i]) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (ext_list->list[idx].entrypoints[i] == NULL) { - for (uint32_t j = 0; j < i; j++) { - loader_instance_heap_free(inst, ext_list->list[idx].entrypoints[j]); - } - loader_instance_heap_free(inst, ext_list->list[idx].entrypoints); - ext_list->list[idx].entrypoint_count = 0; - ext_list->list[idx].entrypoints = NULL; - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_to_dev_ext_list: Failed to allocate space " - "for device extension entrypoint %d name", - i); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - strcpy(ext_list->list[idx].entrypoints[i], entrys[i]); - } - } - ext_list->count++; - - return VK_SUCCESS; -} - -// Prototype of loader_add_meta_layer function since we use it in the loader_add_implicit_layer, but can also -// call loader_add_implicit_layer from loader_add_meta_layer. -bool loader_add_meta_layer(const struct loader_instance *inst, const struct loader_layer_properties *prop, - struct loader_layer_list *target_list, struct loader_layer_list *expanded_target_list, - const struct loader_layer_list *source_list); - -// Search the given layer list for a list matching the given VkLayerProperties -bool has_vk_layer_property(const VkLayerProperties *vk_layer_prop, const struct loader_layer_list *list) { - for (uint32_t i = 0; i < list->count; i++) { - if (strcmp(vk_layer_prop->layerName, list->list[i].info.layerName) == 0) return true; - } - return false; -} - -// Search the given layer list for a layer matching the given name -bool has_layer_name(const char *name, const struct loader_layer_list *list) { - for (uint32_t i = 0; i < list->count; i++) { - if (strcmp(name, list->list[i].info.layerName) == 0) return true; - } - return false; -} - -// Search the given search_list for any layers in the props list. Add these to the -// output layer_list. Don't add duplicates to the output layer_list. -static VkResult loader_add_layer_names_to_list(const struct loader_instance *inst, struct loader_layer_list *output_list, - struct loader_layer_list *expanded_output_list, uint32_t name_count, - const char *const *names, const struct loader_layer_list *source_list) { - struct loader_layer_properties *layer_prop; - VkResult err = VK_SUCCESS; - - for (uint32_t i = 0; i < name_count; i++) { - const char *source_name = names[i]; - layer_prop = loader_get_layer_property(source_name, source_list); - if (NULL == layer_prop) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_layer_names_to_list: Unable to find layer" - " %s", - source_name); - err = VK_ERROR_LAYER_NOT_PRESENT; - continue; - } - - // If not a meta-layer, simply add it. - if (0 == (layer_prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER)) { - if (!has_vk_layer_property(&layer_prop->info, output_list)) { - loader_add_to_layer_list(inst, output_list, 1, layer_prop); - } - if (!has_vk_layer_property(&layer_prop->info, expanded_output_list)) { - loader_add_to_layer_list(inst, expanded_output_list, 1, layer_prop); - } - } else { - if (!has_vk_layer_property(&layer_prop->info, output_list) || - !has_vk_layer_property(&layer_prop->info, expanded_output_list)) { - loader_add_meta_layer(inst, layer_prop, output_list, expanded_output_list, source_list); - } - } - } - - return err; -} - -// Manage lists of VkLayerProperties -static bool loader_init_layer_list(const struct loader_instance *inst, struct loader_layer_list *list) { - list->capacity = 32 * sizeof(struct loader_layer_properties); - list->list = loader_instance_heap_alloc(inst, list->capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (list->list == NULL) { - return false; - } - memset(list->list, 0, list->capacity); - list->count = 0; - return true; -} - -void loader_destroy_layer_list(const struct loader_instance *inst, struct loader_device *device, - struct loader_layer_list *layer_list) { - if (device) { - loader_device_heap_free(device, layer_list->list); - } else { - loader_instance_heap_free(inst, layer_list->list); - } - layer_list->count = 0; - layer_list->capacity = 0; -} - -// Append non-duplicate layer properties defined in prop_list to the given layer_info list -VkResult loader_add_to_layer_list(const struct loader_instance *inst, struct loader_layer_list *list, uint32_t prop_list_count, - const struct loader_layer_properties *props) { - uint32_t i; - struct loader_layer_properties *layer; - - if (list->list == NULL || list->capacity == 0) { - loader_init_layer_list(inst, list); - } - - if (list->list == NULL) return VK_SUCCESS; - - for (i = 0; i < prop_list_count; i++) { - layer = (struct loader_layer_properties *)&props[i]; - - // Look for duplicates, and skip - if (has_vk_layer_property(&layer->info, list)) { - continue; - } - - // Check for enough capacity - if (((list->count + 1) * sizeof(struct loader_layer_properties)) >= list->capacity) { - size_t new_capacity = list->capacity * 2; - void *new_ptr = - loader_instance_heap_realloc(inst, list->list, list->capacity, new_capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_ptr) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_to_layer_list: Realloc failed for when attempting to add new layer"); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - list->list = new_ptr; - list->capacity = new_capacity; - } - - memcpy(&list->list[list->count], layer, sizeof(struct loader_layer_properties)); - list->count++; - } - - return VK_SUCCESS; -} - -// Check the individual implicit layer for the enable/disable environment variable settings. Only add it after -// every check has passed indicating it should be used. -static void loader_add_implicit_layer(const struct loader_instance *inst, const struct loader_layer_properties *prop, - struct loader_layer_list *target_list, struct loader_layer_list *expanded_target_list, - const struct loader_layer_list *source_list) { - bool enable = loader_is_implicit_layer_enabled(inst, prop); - if (enable) { - if (0 == (prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER)) { - if (NULL != target_list && !has_vk_layer_property(&prop->info, target_list)) { - loader_add_to_layer_list(inst, target_list, 1, prop); - } - if (NULL != expanded_target_list && !has_vk_layer_property(&prop->info, expanded_target_list)) { - loader_add_to_layer_list(inst, expanded_target_list, 1, prop); - } - } else { - if (!has_vk_layer_property(&prop->info, target_list) || - (NULL != expanded_target_list && !has_vk_layer_property(&prop->info, expanded_target_list))) { - loader_add_meta_layer(inst, prop, target_list, expanded_target_list, source_list); - } - } - } -} - -// Add the component layers of a meta-layer to the active list of layers -bool loader_add_meta_layer(const struct loader_instance *inst, const struct loader_layer_properties *prop, - struct loader_layer_list *target_list, struct loader_layer_list *expanded_target_list, - const struct loader_layer_list *source_list) { - bool found = true; - - // We need to add all the individual component layers - for (uint32_t comp_layer = 0; comp_layer < prop->num_component_layers; comp_layer++) { - bool found_comp = false; - const struct loader_layer_properties *search_prop = - loader_get_layer_property(prop->component_layer_names[comp_layer], source_list); - if (search_prop != NULL) { - found_comp = true; - - // If the component layer is itself an implicit layer, we need to do the implicit layer enable - // checks - if (0 == (search_prop->type_flags & VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER)) { - loader_add_implicit_layer(inst, search_prop, target_list, expanded_target_list, source_list); - } else { - if (NULL != expanded_target_list && !has_vk_layer_property(&search_prop->info, expanded_target_list)) { - loader_add_to_layer_list(inst, expanded_target_list, 1, search_prop); - } - } - } - if (!found_comp) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_add_meta_layer: Failed to find layer name %s component layer " - "%s to activate", - search_prop->info.layerName, prop->component_layer_names[comp_layer]); - found = false; - } - } - - // Add this layer to the overall target list (not the expanded one) - if (found && !has_vk_layer_property(&prop->info, target_list)) { - loader_add_to_layer_list(inst, target_list, 1, prop); - } - - return found; -} - -// Search the source_list for any layer with a name that matches the given name and a type -// that matches the given type. Add all matching layers to the target_list. -// Do not add if found loader_layer_properties is already on the target_list. -void loader_find_layer_name_add_list(const struct loader_instance *inst, const char *name, const enum layer_type_flags type_flags, - const struct loader_layer_list *source_list, struct loader_layer_list *target_list, - struct loader_layer_list *expanded_target_list) { - bool found = false; - for (uint32_t i = 0; i < source_list->count; i++) { - struct loader_layer_properties *source_prop = &source_list->list[i]; - if (0 == strcmp(source_prop->info.layerName, name) && (source_prop->type_flags & type_flags) == type_flags) { - // If not a meta-layer, simply add it. - if (0 == (source_prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER)) { - if (NULL != target_list && !has_vk_layer_property(&source_prop->info, target_list) && - VK_SUCCESS == loader_add_to_layer_list(inst, target_list, 1, source_prop)) { - found = true; - } - if (NULL != expanded_target_list && !has_vk_layer_property(&source_prop->info, expanded_target_list) && - VK_SUCCESS == loader_add_to_layer_list(inst, expanded_target_list, 1, source_prop)) { - found = true; - } - } else { - found = loader_add_meta_layer(inst, source_prop, target_list, expanded_target_list, source_list); - } - } - } - if (!found) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_find_layer_name_add_list: Failed to find layer name %s to activate", name); - } -} - -static VkExtensionProperties *get_extension_property(const char *name, const struct loader_extension_list *list) { - for (uint32_t i = 0; i < list->count; i++) { - if (strcmp(name, list->list[i].extensionName) == 0) return &list->list[i]; - } - return NULL; -} - -static VkExtensionProperties *get_dev_extension_property(const char *name, const struct loader_device_extension_list *list) { - for (uint32_t i = 0; i < list->count; i++) { - if (strcmp(name, list->list[i].props.extensionName) == 0) return &list->list[i].props; - } - return NULL; -} - -// For Instance extensions implemented within the loader (i.e. DEBUG_REPORT -// the extension must provide two entry points for the loader to use: -// - "trampoline" entry point - this is the address returned by GetProcAddr -// and will always do what's necessary to support a -// global call. -// - "terminator" function - this function will be put at the end of the -// instance chain and will contain the necessary logic -// to call / process the extension for the appropriate -// ICDs that are available. -// There is no generic mechanism for including these functions, the references -// must be placed into the appropriate loader entry points. -// GetInstanceProcAddr: call extension GetInstanceProcAddr to check for GetProcAddr -// requests -// loader_coalesce_extensions(void) - add extension records to the list of global -// extension available to the app. -// instance_disp - add function pointer for terminator function -// to this array. -// The extension itself should be in a separate file that will be linked directly -// with the loader. -VkResult loader_get_icd_loader_instance_extensions(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list, - struct loader_extension_list *inst_exts) { - struct loader_extension_list icd_exts; - VkResult res = VK_SUCCESS; - char *env_value; - bool filter_extensions = true; - - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Build ICD instance extension list"); - - // Check if a user wants to disable the instance extension filtering behavior - env_value = loader_getenv("VK_LOADER_DISABLE_INST_EXT_FILTER", inst); - if (NULL != env_value && atoi(env_value) != 0) { - filter_extensions = false; - } - loader_free_getenv(env_value, inst); - - // traverse scanned icd list adding non-duplicate extensions to the list - for (uint32_t i = 0; i < icd_tramp_list->count; i++) { - res = loader_init_generic_list(inst, (struct loader_generic_list *)&icd_exts, sizeof(VkExtensionProperties)); - if (VK_SUCCESS != res) { - goto out; - } - res = loader_add_instance_extensions(inst, icd_tramp_list->scanned_list[i].EnumerateInstanceExtensionProperties, - icd_tramp_list->scanned_list[i].lib_name, &icd_exts); - if (VK_SUCCESS == res) { - if (filter_extensions) { - // Remove any extensions not recognized by the loader - for (int32_t j = 0; j < (int32_t)icd_exts.count; j++) { - // See if the extension is in the list of supported extensions - bool found = false; - for (uint32_t k = 0; LOADER_INSTANCE_EXTENSIONS[k] != NULL; k++) { - if (strcmp(icd_exts.list[j].extensionName, LOADER_INSTANCE_EXTENSIONS[k]) == 0) { - found = true; - break; - } - } - - // If it isn't in the list, remove it - if (!found) { - for (uint32_t k = j + 1; k < icd_exts.count; k++) { - icd_exts.list[k - 1] = icd_exts.list[k]; - } - --icd_exts.count; - --j; - } - } - } - - res = loader_add_to_ext_list(inst, inst_exts, icd_exts.count, icd_exts.list); - } - loader_destroy_generic_list(inst, (struct loader_generic_list *)&icd_exts); - if (VK_SUCCESS != res) { - goto out; - } - }; - - // Traverse loader's extensions, adding non-duplicate extensions to the list - debug_report_add_instance_extensions(inst, inst_exts); - -out: - return res; -} - -struct loader_icd_term *loader_get_icd_and_device(const VkDevice device, struct loader_device **found_dev, uint32_t *icd_index) { - *found_dev = NULL; - for (struct loader_instance *inst = loader.instances; inst; inst = inst->next) { - uint32_t index = 0; - for (struct loader_icd_term *icd_term = inst->icd_terms; icd_term; icd_term = icd_term->next) { - for (struct loader_device *dev = icd_term->logical_device_list; dev; dev = dev->next) - // Value comparison of device prevents object wrapping by layers - if (loader_get_dispatch(dev->icd_device) == loader_get_dispatch(device) || - loader_get_dispatch(dev->chain_device) == loader_get_dispatch(device)) { - *found_dev = dev; - if (NULL != icd_index) { - *icd_index = index; - } - return icd_term; - } - index++; - } - } - return NULL; -} - -void loader_destroy_logical_device(const struct loader_instance *inst, struct loader_device *dev, - const VkAllocationCallbacks *pAllocator) { - if (pAllocator) { - dev->alloc_callbacks = *pAllocator; - } - if (NULL != dev->expanded_activated_layer_list.list) { - loader_deactivate_layers(inst, dev, &dev->expanded_activated_layer_list); - } - if (NULL != dev->app_activated_layer_list.list) { - loader_destroy_layer_list(inst, dev, &dev->app_activated_layer_list); - } - loader_device_heap_free(dev, dev); -} - -struct loader_device *loader_create_logical_device(const struct loader_instance *inst, const VkAllocationCallbacks *pAllocator) { - struct loader_device *new_dev; -#if (DEBUG_DISABLE_APP_ALLOCATORS == 1) - { -#else - if (pAllocator) { - new_dev = (struct loader_device *)pAllocator->pfnAllocation(pAllocator->pUserData, sizeof(struct loader_device), - sizeof(int *), VK_SYSTEM_ALLOCATION_SCOPE_DEVICE); - } else { -#endif - new_dev = (struct loader_device *)malloc(sizeof(struct loader_device)); - } - - if (!new_dev) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_create_logical_device: Failed to alloc struct " - "loader_device"); - return NULL; - } - - memset(new_dev, 0, sizeof(struct loader_device)); - if (pAllocator) { - new_dev->alloc_callbacks = *pAllocator; - } - - return new_dev; -} - -void loader_add_logical_device(const struct loader_instance *inst, struct loader_icd_term *icd_term, struct loader_device *dev) { - dev->next = icd_term->logical_device_list; - icd_term->logical_device_list = dev; -} - -void loader_remove_logical_device(const struct loader_instance *inst, struct loader_icd_term *icd_term, - struct loader_device *found_dev, const VkAllocationCallbacks *pAllocator) { - struct loader_device *dev, *prev_dev; - - if (!icd_term || !found_dev) return; - - prev_dev = NULL; - dev = icd_term->logical_device_list; - while (dev && dev != found_dev) { - prev_dev = dev; - dev = dev->next; - } - - if (prev_dev) - prev_dev->next = found_dev->next; - else - icd_term->logical_device_list = found_dev->next; - loader_destroy_logical_device(inst, found_dev, pAllocator); -} - -static void loader_icd_destroy(struct loader_instance *ptr_inst, struct loader_icd_term *icd_term, - const VkAllocationCallbacks *pAllocator) { - ptr_inst->total_icd_count--; - for (struct loader_device *dev = icd_term->logical_device_list; dev;) { - struct loader_device *next_dev = dev->next; - loader_destroy_logical_device(ptr_inst, dev, pAllocator); - dev = next_dev; - } - - loader_instance_heap_free(ptr_inst, icd_term); -} - -static struct loader_icd_term *loader_icd_create(const struct loader_instance *inst) { - struct loader_icd_term *icd_term; - - icd_term = loader_instance_heap_alloc(inst, sizeof(struct loader_icd_term), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (!icd_term) { - return NULL; - } - - memset(icd_term, 0, sizeof(struct loader_icd_term)); - - return icd_term; -} - -static struct loader_icd_term *loader_icd_add(struct loader_instance *ptr_inst, const struct loader_scanned_icd *scanned_icd) { - struct loader_icd_term *icd_term; - - icd_term = loader_icd_create(ptr_inst); - if (!icd_term) { - return NULL; - } - - icd_term->scanned_icd = scanned_icd; - icd_term->this_instance = ptr_inst; - - // Prepend to the list - icd_term->next = ptr_inst->icd_terms; - ptr_inst->icd_terms = icd_term; - ptr_inst->total_icd_count++; - - return icd_term; -} - -// Determine the ICD interface version to use. -// @param icd -// @param pVersion Output parameter indicating which version to use or 0 if -// the negotiation API is not supported by the ICD -// @return bool indicating true if the selected interface version is supported -// by the loader, false indicates the version is not supported -bool loader_get_icd_interface_version(PFN_vkNegotiateLoaderICDInterfaceVersion fp_negotiate_icd_version, uint32_t *pVersion) { - if (fp_negotiate_icd_version == NULL) { - // ICD does not support the negotiation API, it supports version 0 or 1 - // calling code must determine if it is version 0 or 1 - *pVersion = 0; - } else { - // ICD supports the negotiation API, so call it with the loader's - // latest version supported - *pVersion = CURRENT_LOADER_ICD_INTERFACE_VERSION; - VkResult result = fp_negotiate_icd_version(pVersion); - - if (result == VK_ERROR_INCOMPATIBLE_DRIVER) { - // ICD no longer supports the loader's latest interface version so - // fail loading the ICD - return false; - } - } - -#if MIN_SUPPORTED_LOADER_ICD_INTERFACE_VERSION > 0 - if (*pVersion < MIN_SUPPORTED_LOADER_ICD_INTERFACE_VERSION) { - // Loader no longer supports the ICD's latest interface version so fail - // loading the ICD - return false; - } -#endif - return true; -} - -void loader_scanned_icd_clear(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list) { - if (0 != icd_tramp_list->capacity) { - for (uint32_t i = 0; i < icd_tramp_list->count; i++) { - loader_platform_close_library(icd_tramp_list->scanned_list[i].handle); - loader_instance_heap_free(inst, icd_tramp_list->scanned_list[i].lib_name); - } - loader_instance_heap_free(inst, icd_tramp_list->scanned_list); - icd_tramp_list->capacity = 0; - icd_tramp_list->count = 0; - icd_tramp_list->scanned_list = NULL; - } -} - -static VkResult loader_scanned_icd_init(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list) { - VkResult err = VK_SUCCESS; - loader_scanned_icd_clear(inst, icd_tramp_list); - icd_tramp_list->capacity = 8 * sizeof(struct loader_scanned_icd); - icd_tramp_list->scanned_list = loader_instance_heap_alloc(inst, icd_tramp_list->capacity, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == icd_tramp_list->scanned_list) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_init: Realloc failed for layer list when " - "attempting to add new layer"); - err = VK_ERROR_OUT_OF_HOST_MEMORY; - } - return err; -} - -static VkResult loader_scanned_icd_add(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list, - const char *filename, uint32_t api_version) { - loader_platform_dl_handle handle; - PFN_vkCreateInstance fp_create_inst; - PFN_vkEnumerateInstanceExtensionProperties fp_get_inst_ext_props; - PFN_vkGetInstanceProcAddr fp_get_proc_addr; - PFN_GetPhysicalDeviceProcAddr fp_get_phys_dev_proc_addr = NULL; - PFN_vkNegotiateLoaderICDInterfaceVersion fp_negotiate_icd_version; - struct loader_scanned_icd *new_scanned_icd; - uint32_t interface_vers; - VkResult res = VK_SUCCESS; - - // TODO implement smarter opening/closing of libraries. For now this - // function leaves libraries open and the scanned_icd_clear closes them - handle = loader_platform_open_library(filename); - if (NULL == handle) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, loader_platform_open_library_error(filename)); - goto out; - } - - // Get and settle on an ICD interface version - fp_negotiate_icd_version = loader_platform_get_proc_address(handle, "vk_icdNegotiateLoaderICDInterfaceVersion"); - - if (!loader_get_icd_interface_version(fp_negotiate_icd_version, &interface_vers)) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_add: ICD %s doesn't support interface" - " version compatible with loader, skip this ICD.", - filename); - goto out; - } - - fp_get_proc_addr = loader_platform_get_proc_address(handle, "vk_icdGetInstanceProcAddr"); - if (NULL == fp_get_proc_addr) { - assert(interface_vers == 0); - // Use deprecated interface from version 0 - fp_get_proc_addr = loader_platform_get_proc_address(handle, "vkGetInstanceProcAddr"); - if (NULL == fp_get_proc_addr) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_add: Attempt to retrieve either " - "\'vkGetInstanceProcAddr\' or " - "\'vk_icdGetInstanceProcAddr\' from ICD %s failed.", - filename); - goto out; - } else { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_scanned_icd_add: Using deprecated ICD " - "interface of \'vkGetInstanceProcAddr\' instead of " - "\'vk_icdGetInstanceProcAddr\' for ICD %s", - filename); - } - fp_create_inst = loader_platform_get_proc_address(handle, "vkCreateInstance"); - if (NULL == fp_create_inst) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_add: Failed querying " - "\'vkCreateInstance\' via dlsym/loadlibrary for " - "ICD %s", - filename); - goto out; - } - fp_get_inst_ext_props = loader_platform_get_proc_address(handle, "vkEnumerateInstanceExtensionProperties"); - if (NULL == fp_get_inst_ext_props) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_add: Could not get \'vkEnumerate" - "InstanceExtensionProperties\' via dlsym/loadlibrary " - "for ICD %s", - filename); - goto out; - } - } else { - // Use newer interface version 1 or later - if (interface_vers == 0) { - interface_vers = 1; - } - - fp_create_inst = (PFN_vkCreateInstance)fp_get_proc_addr(NULL, "vkCreateInstance"); - if (NULL == fp_create_inst) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_add: Could not get " - "\'vkCreateInstance\' via \'vk_icdGetInstanceProcAddr\'" - " for ICD %s", - filename); - goto out; - } - fp_get_inst_ext_props = - (PFN_vkEnumerateInstanceExtensionProperties)fp_get_proc_addr(NULL, "vkEnumerateInstanceExtensionProperties"); - if (NULL == fp_get_inst_ext_props) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_add: Could not get \'vkEnumerate" - "InstanceExtensionProperties\' via " - "\'vk_icdGetInstanceProcAddr\' for ICD %s", - filename); - goto out; - } - fp_get_phys_dev_proc_addr = loader_platform_get_proc_address(handle, "vk_icdGetPhysicalDeviceProcAddr"); - } - - // check for enough capacity - if ((icd_tramp_list->count * sizeof(struct loader_scanned_icd)) >= icd_tramp_list->capacity) { - void *new_ptr = loader_instance_heap_realloc(inst, icd_tramp_list->scanned_list, icd_tramp_list->capacity, - icd_tramp_list->capacity * 2, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_ptr) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_scanned_icd_add: Realloc failed on icd library list for ICD %s", filename); - goto out; - } - icd_tramp_list->scanned_list = new_ptr; - - // double capacity - icd_tramp_list->capacity *= 2; - } - - new_scanned_icd = &(icd_tramp_list->scanned_list[icd_tramp_list->count]); - new_scanned_icd->handle = handle; - new_scanned_icd->api_version = api_version; - new_scanned_icd->GetInstanceProcAddr = fp_get_proc_addr; - new_scanned_icd->GetPhysicalDeviceProcAddr = fp_get_phys_dev_proc_addr; - new_scanned_icd->EnumerateInstanceExtensionProperties = fp_get_inst_ext_props; - new_scanned_icd->CreateInstance = fp_create_inst; - new_scanned_icd->interface_version = interface_vers; - - new_scanned_icd->lib_name = (char *)loader_instance_heap_alloc(inst, strlen(filename) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_scanned_icd->lib_name) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_scanned_icd_add: Out of memory can't add ICD %s", filename); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - strcpy(new_scanned_icd->lib_name, filename); - icd_tramp_list->count++; - -out: - - return res; -} - -static void loader_debug_init(void) { - char *env, *orig; - - if (g_loader_debug > 0) return; - - g_loader_debug = 0; - - // Parse comma-separated debug options - orig = env = loader_getenv("VK_LOADER_DEBUG", NULL); - while (env) { - char *p = strchr(env, ','); - size_t len; - - if (p) - len = p - env; - else - len = strlen(env); - - if (len > 0) { - if (strncmp(env, "all", len) == 0) { - g_loader_debug = ~0u; - g_loader_log_msgs = ~0u; - } else if (strncmp(env, "warn", len) == 0) { - g_loader_debug |= LOADER_WARN_BIT; - g_loader_log_msgs |= VK_DEBUG_REPORT_WARNING_BIT_EXT; - } else if (strncmp(env, "info", len) == 0) { - g_loader_debug |= LOADER_INFO_BIT; - g_loader_log_msgs |= VK_DEBUG_REPORT_INFORMATION_BIT_EXT; - } else if (strncmp(env, "perf", len) == 0) { - g_loader_debug |= LOADER_PERF_BIT; - g_loader_log_msgs |= VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT; - } else if (strncmp(env, "error", len) == 0) { - g_loader_debug |= LOADER_ERROR_BIT; - g_loader_log_msgs |= VK_DEBUG_REPORT_ERROR_BIT_EXT; - } else if (strncmp(env, "debug", len) == 0) { - g_loader_debug |= LOADER_DEBUG_BIT; - g_loader_log_msgs |= VK_DEBUG_REPORT_DEBUG_BIT_EXT; - } - } - - if (!p) break; - - env = p + 1; - } - - loader_free_getenv(orig, NULL); -} - -void loader_initialize(void) { - // initialize mutexs - loader_platform_thread_create_mutex(&loader_lock); - loader_platform_thread_create_mutex(&loader_json_lock); - - // initialize logging - loader_debug_init(); - - // initial cJSON to use alloc callbacks - cJSON_Hooks alloc_fns = { - .malloc_fn = loader_instance_tls_heap_alloc, .free_fn = loader_instance_tls_heap_free, - }; - cJSON_InitHooks(&alloc_fns); -} - -struct loader_manifest_files { - uint32_t count; - char **filename_list; -}; - -void loader_release() { - // release mutexs - loader_platform_thread_delete_mutex(&loader_lock); - loader_platform_thread_delete_mutex(&loader_json_lock); -} - -// Get next file or dirname given a string list or registry key path -// -// \returns -// A pointer to first char in the next path. -// The next path (or NULL) in the list is returned in next_path. -// Note: input string is modified in some cases. PASS IN A COPY! -static char *loader_get_next_path(char *path) { - uint32_t len; - char *next; - - if (path == NULL) return NULL; - next = strchr(path, PATH_SEPARATOR); - if (next == NULL) { - len = (uint32_t)strlen(path); - next = path + len; - } else { - *next = '\0'; - next++; - } - - return next; -} - -// Given a path which is absolute or relative, expand the path if relative or -// leave the path unmodified if absolute. The base path to prepend to relative -// paths is given in rel_base. -// -// @return - A string in out_fullpath of the full absolute path -static void loader_expand_path(const char *path, const char *rel_base, size_t out_size, char *out_fullpath) { - if (loader_platform_is_path_absolute(path)) { - // do not prepend a base to an absolute path - rel_base = ""; - } - - loader_platform_combine_path(out_fullpath, out_size, rel_base, path, NULL); -} - -// Given a filename (file) and a list of paths (dir), try to find an existing -// file in the paths. If filename already is a path then no searching in the given paths. -// -// @return - A string in out_fullpath of either the full path or file. -static void loader_get_fullpath(const char *file, const char *dirs, size_t out_size, char *out_fullpath) { - if (!loader_platform_is_path(file) && *dirs) { - char *dirs_copy, *dir, *next_dir; - - dirs_copy = loader_stack_alloc(strlen(dirs) + 1); - strcpy(dirs_copy, dirs); - - // find if file exists after prepending paths in given list - for (dir = dirs_copy; *dir && (next_dir = loader_get_next_path(dir)); dir = next_dir) { - loader_platform_combine_path(out_fullpath, out_size, dir, file, NULL); - if (loader_platform_file_exists(out_fullpath)) { - return; - } - } - } - - (void)snprintf(out_fullpath, out_size, "%s", file); -} - -// Read a JSON file into a buffer. -// -// @return - A pointer to a cJSON object representing the JSON parse tree. -// This returned buffer should be freed by caller. -static VkResult loader_get_json(const struct loader_instance *inst, const char *filename, cJSON **json) { - FILE *file = NULL; - char *json_buf; - size_t len; - VkResult res = VK_SUCCESS; - - if (NULL == json) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_get_json: Received invalid JSON file"); - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - *json = NULL; - - file = fopen(filename, "rb"); - if (!file) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_get_json: Failed to open JSON file %s", filename); - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - fseek(file, 0, SEEK_END); - len = ftell(file); - fseek(file, 0, SEEK_SET); - json_buf = (char *)loader_stack_alloc(len + 1); - if (json_buf == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_json: Failed to allocate space for " - "JSON file %s buffer of length %d", - filename, len); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - if (fread(json_buf, sizeof(char), len, file) != len) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_get_json: Failed to read JSON file %s.", filename); - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - json_buf[len] = '\0'; - - // Parse text from file - *json = cJSON_Parse(json_buf); - if (*json == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_json: Failed to parse JSON file %s, " - "this is usually because something ran out of " - "memory.", - filename); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - -out: - if (NULL != file) { - fclose(file); - } - - return res; -} - -// Do a deep copy of the loader_layer_properties structure. -VkResult loader_copy_layer_properties(const struct loader_instance *inst, struct loader_layer_properties *dst, - struct loader_layer_properties *src) { - uint32_t cnt, i; - memcpy(dst, src, sizeof(*src)); - dst->instance_extension_list.list = loader_instance_heap_alloc( - inst, sizeof(VkExtensionProperties) * src->instance_extension_list.count, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == dst->instance_extension_list.list) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_copy_layer_properties: Failed to allocate space " - "for instance extension list of size %d.", - src->instance_extension_list.count); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - dst->instance_extension_list.capacity = sizeof(VkExtensionProperties) * src->instance_extension_list.count; - memcpy(dst->instance_extension_list.list, src->instance_extension_list.list, dst->instance_extension_list.capacity); - dst->device_extension_list.list = loader_instance_heap_alloc( - inst, sizeof(struct loader_dev_ext_props) * src->device_extension_list.count, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == dst->device_extension_list.list) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_copy_layer_properties: Failed to allocate space " - "for device extension list of size %d.", - src->device_extension_list.count); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - memset(dst->device_extension_list.list, 0, sizeof(struct loader_dev_ext_props) * src->device_extension_list.count); - - dst->device_extension_list.capacity = sizeof(struct loader_dev_ext_props) * src->device_extension_list.count; - memcpy(dst->device_extension_list.list, src->device_extension_list.list, dst->device_extension_list.capacity); - if (src->device_extension_list.count > 0 && src->device_extension_list.list->entrypoint_count > 0) { - cnt = src->device_extension_list.list->entrypoint_count; - dst->device_extension_list.list->entrypoints = - loader_instance_heap_alloc(inst, sizeof(char *) * cnt, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == dst->device_extension_list.list->entrypoints) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_copy_layer_properties: Failed to allocate space " - "for device extension entrypoint list of size %d.", - cnt); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - memset(dst->device_extension_list.list->entrypoints, 0, sizeof(char *) * cnt); - - for (i = 0; i < cnt; i++) { - dst->device_extension_list.list->entrypoints[i] = loader_instance_heap_alloc( - inst, strlen(src->device_extension_list.list->entrypoints[i]) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == dst->device_extension_list.list->entrypoints[i]) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_copy_layer_properties: Failed to " - "allocate space for device extension entrypoint " - "%d name of length", - i); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - strcpy(dst->device_extension_list.list->entrypoints[i], src->device_extension_list.list->entrypoints[i]); - } - } - - return VK_SUCCESS; -} - -static bool loader_find_layer_name_list(const char *name, const struct loader_layer_list *layer_list) { - if (NULL == layer_list) { - return false; - } - for (uint32_t j = 0; j < layer_list->count; j++) { - if (!strcmp(name, layer_list->list[j].info.layerName)) { - return true; - } - } - return false; -} - -bool loader_find_layer_name_array(const char *name, uint32_t layer_count, const char layer_list[][VK_MAX_EXTENSION_NAME_SIZE]) { - if (!layer_list) return false; - for (uint32_t j = 0; j < layer_count; j++) - if (!strcmp(name, layer_list[j])) return true; - return false; -} - -const char *std_validation_str = "VK_LAYER_LUNARG_standard_validation"; - -// Adds the legacy VK_LAYER_LUNARG_standard_validation as a meta-layer if it -// fails to find it in the list already. This is usually an indication that a -// newer loader is being used with an older layer set. -static bool loader_add_legacy_std_val_layer(const struct loader_instance *inst, struct loader_layer_list *layer_instance_list) { - uint32_t i; - bool success = true; - struct loader_layer_properties *props = loader_get_next_layer_property(inst, layer_instance_list); - const char std_validation_names[6][VK_MAX_EXTENSION_NAME_SIZE] = { - "VK_LAYER_GOOGLE_threading", "VK_LAYER_LUNARG_parameter_validation", "VK_LAYER_LUNARG_object_tracker", - "VK_LAYER_LUNARG_core_validation", "VK_LAYER_GOOGLE_unique_objects"}; - uint32_t layer_count = sizeof(std_validation_names) / sizeof(std_validation_names[0]); - - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, - "Adding VK_LAYER_LUNARG_standard_validation using the loader legacy path. This is" - " not an error."); - - if (NULL == props) { - goto out; - } - - memset(props, 0, sizeof(struct loader_layer_properties)); - props->type_flags = VK_LAYER_TYPE_FLAG_INSTANCE_LAYER | VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER | VK_LAYER_TYPE_FLAG_META_LAYER; - strncpy(props->info.description, "LunarG Standard Validation Layer", sizeof(props->info.description)); - props->info.implementationVersion = 1; - strncpy(props->info.layerName, std_validation_str, sizeof(props->info.layerName)); - props->info.specVersion = VK_MAKE_VERSION(1, 0, VK_HEADER_VERSION); - - props->component_layer_names = - loader_instance_heap_alloc(inst, sizeof(char[MAX_STRING_SIZE]) * layer_count, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == props->component_layer_names) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "Failed to allocate space for legacy VK_LAYER_LUNARG_standard_validation" - " meta-layer component_layers information."); - success = false; - goto out; - } - for (i = 0; i < layer_count; i++) { - strncpy(props->component_layer_names[i], std_validation_names[i], MAX_STRING_SIZE - 1); - props->component_layer_names[i][MAX_STRING_SIZE - 1] = '\0'; - } - -out: - - if (!success && NULL != props && NULL != props->component_layer_names) { - loader_instance_heap_free(inst, props->component_layer_names); - props->component_layer_names = NULL; - } - - return success; -} - -// Verify that all component layers in a meta-layer are valid. -static bool verify_meta_layer_comp_layers(const struct loader_instance *inst, struct loader_layer_properties *prop, - struct loader_layer_list *instance_layers) { - bool success = true; - const uint32_t expected_major = VK_VERSION_MAJOR(prop->info.specVersion); - const uint32_t expected_minor = VK_VERSION_MINOR(prop->info.specVersion); - - for (uint32_t comp_layer = 0; comp_layer < prop->num_component_layers; comp_layer++) { - if (!loader_find_layer_name_list(prop->component_layer_names[comp_layer], instance_layers)) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Meta-layer %s can't find component layer %s at index %d." - " Skipping this layer.", - prop->info.layerName, prop->component_layer_names[comp_layer], comp_layer); - success = false; - break; - } else { - struct loader_layer_properties *comp_prop = - loader_get_layer_property(prop->component_layer_names[comp_layer], instance_layers); - if (comp_prop == NULL) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Meta-layer %s can't find property for component layer %s at index %d." - " Skipping this layer.", - prop->info.layerName, prop->component_layer_names[comp_layer], comp_layer); - success = false; - break; - } - - // Check the version of each layer, they need to at least match MAJOR and MINOR - uint32_t cur_major = VK_VERSION_MAJOR(comp_prop->info.specVersion); - uint32_t cur_minor = VK_VERSION_MINOR(comp_prop->info.specVersion); - if (cur_major != expected_major || cur_minor != expected_minor) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Meta-layer uses API version %d.%d, but component layer %d uses API " - "version %d.%d. Skipping this layer.", - expected_major, expected_minor, comp_layer, cur_major, cur_minor); - success = false; - break; - } - - // Make sure the layer isn't using it's own name - if (!strcmp(prop->info.layerName, prop->component_layer_names[comp_layer])) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Meta-layer %s lists itself in its component layer list at index %d." - " Skipping this layer.", - prop->info.layerName, comp_layer); - success = false; - break; - } - if (comp_prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) { - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "verify_meta_layer_comp_layers: Adding meta-layer %s which also contains meta-layer %s", - prop->info.layerName, comp_prop->info.layerName); - - // Make sure if the layer is using a meta-layer in its component list that we also verify that. - if (!verify_meta_layer_comp_layers(inst, comp_prop, instance_layers)) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Meta-layer %s component layer %s can not find all component layers." - " Skipping this layer.", - prop->info.layerName, prop->component_layer_names[comp_layer]); - success = false; - break; - } - } - - // Add any instance and device extensions from component layers to this layer - // list, so that anyone querying extensions will only need to look at the meta-layer - for (uint32_t ext = 0; ext < comp_prop->instance_extension_list.count; ext++) { - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Meta-layer %s component layer %s adding instance extension %s", - prop->info.layerName, prop->component_layer_names[comp_layer], - comp_prop->instance_extension_list.list[ext].extensionName); - if (!has_vk_extension_property(&comp_prop->instance_extension_list.list[ext], &prop->instance_extension_list)) { - loader_add_to_ext_list(inst, &prop->instance_extension_list, 1, &comp_prop->instance_extension_list.list[ext]); - } - } - - for (uint32_t ext = 0; ext < comp_prop->device_extension_list.count; ext++) { - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Meta-layer %s component layer %s adding device extension %s", - prop->info.layerName, prop->component_layer_names[comp_layer], - comp_prop->device_extension_list.list[ext].props.extensionName); - if (!has_vk_dev_ext_property(&comp_prop->device_extension_list.list[ext].props, &prop->device_extension_list)) { - loader_add_to_dev_ext_list(inst, &prop->device_extension_list, - &comp_prop->device_extension_list.list[ext].props, 0, NULL); - } - } - } - } - if (success) { - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Meta-layer %s all %d component layers appear to be valid.", - prop->info.layerName, prop->num_component_layers); - } - return success; -} - -// Verify that all meta-layers in a layer list are valid. -static void verify_all_meta_layers(const struct loader_instance *inst, struct loader_layer_list *instance_layers) { - for (int32_t i = 0; i < (int32_t)instance_layers->count; i++) { - struct loader_layer_properties *prop = &instance_layers->list[i]; - - // If this is a meta-layer, make sure it is valid - if ((prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) && !verify_meta_layer_comp_layers(inst, prop, instance_layers)) { - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, - "Removing meta-layer %s from instance layer list since it appears invalid.", prop->info.layerName); - - // Delete the component layers - loader_instance_heap_free(inst, prop->component_layer_names); - - // Remove the current invalid meta-layer from the layer list. Use memmove since we are - // overlapping the source and destination addresses. - memmove(&instance_layers->list[i], &instance_layers->list[i + 1], - sizeof(struct loader_layer_properties) * (instance_layers->count - 1 - i)); - - // Decrement the count (because we now have one less) and decrement the loop index since we need to - // re-check this index. - instance_layers->count--; - i--; - } - } -} - -// This structure is used to store the json file version -// in a more manageable way. -typedef struct { - uint16_t major; - uint16_t minor; - uint16_t patch; -} layer_json_version; - -static inline bool is_valid_layer_json_version(const layer_json_version *layer_json) { - // Supported versions are: 1.0.0, 1.0.1, 1.1.0, 1.1.1, and 1.1.2. - if ((layer_json->major == 1 && layer_json->minor == 1 && layer_json->patch < 3) || - (layer_json->major == 1 && layer_json->minor == 0 && layer_json->patch < 2)) { - return true; - } - return false; -} - -static inline bool layer_json_supports_layers_tag(const layer_json_version *layer_json) { - // Supported versions started in 1.0.1, so anything newer - if ((layer_json->major > 1 || layer_json->minor > 0 || layer_json->patch > 1)) { - return true; - } - return false; -} - -static inline bool layer_json_supports_pre_instance_tag(const layer_json_version *layer_json) { - // Supported versions started in 1.1.2, so anything newer - return layer_json->major > 1 || layer_json->minor > 1 || (layer_json->minor == 1 && layer_json->patch > 1); -} - -static VkResult loader_read_json_layer(const struct loader_instance *inst, struct loader_layer_list *layer_instance_list, - cJSON *layer_node, layer_json_version version, cJSON *item, cJSON *disable_environment, - bool is_implicit, char *filename) { - char *temp; - char *name, *type, *library_path_str, *api_version; - char *implementation_version, *description; - cJSON *ext_item, *library_path, *component_layers; - VkExtensionProperties ext_prop; - VkResult result = VK_ERROR_INITIALIZATION_FAILED; - struct loader_layer_properties *props = NULL; - int i, j; - -// The following are required in the "layer" object: -// (required) "name" -// (required) "type" -// (required) "library_path" -// (required) "api_version" -// (required) "implementation_version" -// (required) "description" -// (required for implicit layers) "disable_environment" -#define GET_JSON_OBJECT(node, var) \ - { \ - var = cJSON_GetObjectItem(node, #var); \ - if (var == NULL) { \ - layer_node = layer_node->next; \ - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, \ - "Didn't find required layer object %s in manifest " \ - "JSON file, skipping this layer", \ - #var); \ - goto out; \ - } \ - } -#define GET_JSON_ITEM(node, var) \ - { \ - item = cJSON_GetObjectItem(node, #var); \ - if (item == NULL) { \ - layer_node = layer_node->next; \ - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, \ - "Didn't find required layer value %s in manifest JSON " \ - "file, skipping this layer", \ - #var); \ - goto out; \ - } \ - temp = cJSON_Print(item); \ - if (temp == NULL) { \ - layer_node = layer_node->next; \ - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, \ - "Problem accessing layer value %s in manifest JSON " \ - "file, skipping this layer", \ - #var); \ - result = VK_ERROR_OUT_OF_HOST_MEMORY; \ - goto out; \ - } \ - temp[strlen(temp) - 1] = '\0'; \ - var = loader_stack_alloc(strlen(temp) + 1); \ - strcpy(var, &temp[1]); \ - cJSON_Free(temp); \ - } - GET_JSON_ITEM(layer_node, name) - GET_JSON_ITEM(layer_node, type) - GET_JSON_ITEM(layer_node, api_version) - GET_JSON_ITEM(layer_node, implementation_version) - GET_JSON_ITEM(layer_node, description) - - // Add list entry - if (!strcmp(type, "DEVICE")) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "Device layers are deprecated skipping this layer"); - layer_node = layer_node->next; - goto out; - } - - // Allow either GLOBAL or INSTANCE type interchangeably to handle - // layers that must work with older loaders - if (!strcmp(type, "INSTANCE") || !strcmp(type, "GLOBAL")) { - if (layer_instance_list == NULL) { - layer_node = layer_node->next; - goto out; - } - props = loader_get_next_layer_property(inst, layer_instance_list); - if (NULL == props) { - // Error already triggered in loader_get_next_layer_property. - result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - props->type_flags = VK_LAYER_TYPE_FLAG_INSTANCE_LAYER; - if (!is_implicit) { - props->type_flags |= VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER; - } - } else { - layer_node = layer_node->next; - goto out; - } - - // Library path no longer required unless component_layers is also not defined - library_path = cJSON_GetObjectItem(layer_node, "library_path"); - component_layers = cJSON_GetObjectItem(layer_node, "component_layers"); - if (NULL != library_path) { - if (NULL != component_layers) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Indicating meta-layer-specific component_layers, but also " - "defining layer library path. Both are not compatible, so " - "skipping this layer"); - goto out; - } - props->num_component_layers = 0; - props->component_layer_names = NULL; - - temp = cJSON_Print(library_path); - if (NULL == temp) { - layer_node = layer_node->next; - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Problem accessing layer value library_path in manifest JSON " - "file, skipping this layer"); - result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - temp[strlen(temp) - 1] = '\0'; - library_path_str = loader_stack_alloc(strlen(temp) + 1); - strcpy(library_path_str, &temp[1]); - cJSON_Free(temp); - - char *fullpath = props->lib_name; - char *rel_base; - if (NULL != library_path_str) { - if (loader_platform_is_path(library_path_str)) { - // A relative or absolute path - char *name_copy = loader_stack_alloc(strlen(filename) + 1); - strcpy(name_copy, filename); - rel_base = loader_platform_dirname(name_copy); - loader_expand_path(library_path_str, rel_base, MAX_STRING_SIZE, fullpath); - } else { - // A filename which is assumed in a system directory - loader_get_fullpath(library_path_str, DEFAULT_VK_LAYERS_PATH, MAX_STRING_SIZE, fullpath); - } - } - } else if (NULL != component_layers) { - if (version.major == 1 && (version.minor < 1 || version.patch < 1)) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Indicating meta-layer-specific component_layers, but using older " - "JSON file version."); - } - int count = cJSON_GetArraySize(component_layers); - props->num_component_layers = count; - - // Allocate buffer for layer names - props->component_layer_names = - loader_instance_heap_alloc(inst, sizeof(char[MAX_STRING_SIZE]) * count, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == props->component_layer_names) { - result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - // Copy the component layers into the array - for (i = 0; i < count; i++) { - cJSON *comp_layer = cJSON_GetArrayItem(component_layers, i); - if (NULL != comp_layer) { - temp = cJSON_Print(comp_layer); - if (NULL == temp) { - result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - temp[strlen(temp) - 1] = '\0'; - strncpy(props->component_layer_names[i], temp + 1, MAX_STRING_SIZE - 1); - props->component_layer_names[i][MAX_STRING_SIZE - 1] = '\0'; - cJSON_Free(temp); - } - } - - // This is now, officially, a meta-layer - props->type_flags |= VK_LAYER_TYPE_FLAG_META_LAYER; - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Encountered meta-layer %s", name); - - // Make sure we set up other things so we head down the correct branches below - library_path_str = NULL; - } else { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Layer missing both library_path and component_layers fields. One or the " - "other MUST be defined. Skipping this layer"); - goto out; - } - - if (is_implicit) { - GET_JSON_OBJECT(layer_node, disable_environment) - } -#undef GET_JSON_ITEM -#undef GET_JSON_OBJECT - - strncpy(props->info.layerName, name, sizeof(props->info.layerName)); - props->info.layerName[sizeof(props->info.layerName) - 1] = '\0'; - props->info.specVersion = loader_make_version(api_version); - props->info.implementationVersion = atoi(implementation_version); - strncpy((char *)props->info.description, description, sizeof(props->info.description)); - props->info.description[sizeof(props->info.description) - 1] = '\0'; - if (is_implicit) { - if (!disable_environment || !disable_environment->child) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Didn't find required layer child value disable_environment" - "in manifest JSON file, skipping this layer"); - layer_node = layer_node->next; - goto out; - } - strncpy(props->disable_env_var.name, disable_environment->child->string, sizeof(props->disable_env_var.name)); - props->disable_env_var.name[sizeof(props->disable_env_var.name) - 1] = '\0'; - strncpy(props->disable_env_var.value, disable_environment->child->valuestring, sizeof(props->disable_env_var.value)); - props->disable_env_var.value[sizeof(props->disable_env_var.value) - 1] = '\0'; - } - -// Now get all optional items and objects and put in list: -// functions -// instance_extensions -// device_extensions -// enable_environment (implicit layers only) -#define GET_JSON_OBJECT(node, var) \ - { var = cJSON_GetObjectItem(node, #var); } -#define GET_JSON_ITEM(node, var) \ - { \ - item = cJSON_GetObjectItem(node, #var); \ - if (item != NULL) { \ - temp = cJSON_Print(item); \ - if (temp != NULL) { \ - temp[strlen(temp) - 1] = '\0'; \ - var = loader_stack_alloc(strlen(temp) + 1); \ - strcpy(var, &temp[1]); \ - cJSON_Free(temp); \ - } else { \ - result = VK_ERROR_OUT_OF_HOST_MEMORY; \ - goto out; \ - } \ - } \ - } - - cJSON *instance_extensions, *device_extensions, *functions, *enable_environment; - cJSON *entrypoints = NULL; - char *vkGetInstanceProcAddr = NULL; - char *vkGetDeviceProcAddr = NULL; - char *vkNegotiateLoaderLayerInterfaceVersion = NULL; - char *spec_version = NULL; - char **entry_array = NULL; - - // Layer interface functions - // vkGetInstanceProcAddr - // vkGetDeviceProcAddr - // vkNegotiateLoaderLayerInterfaceVersion (starting with JSON file 1.1.0) - GET_JSON_OBJECT(layer_node, functions) - if (functions != NULL) { - if (version.major > 1 || version.minor >= 1) { - GET_JSON_ITEM(functions, vkNegotiateLoaderLayerInterfaceVersion) - if (vkNegotiateLoaderLayerInterfaceVersion != NULL) - strncpy(props->functions.str_negotiate_interface, vkNegotiateLoaderLayerInterfaceVersion, - sizeof(props->functions.str_negotiate_interface)); - props->functions.str_negotiate_interface[sizeof(props->functions.str_negotiate_interface) - 1] = '\0'; - } else { - props->functions.str_negotiate_interface[0] = '\0'; - } - GET_JSON_ITEM(functions, vkGetInstanceProcAddr) - GET_JSON_ITEM(functions, vkGetDeviceProcAddr) - if (vkGetInstanceProcAddr != NULL) { - strncpy(props->functions.str_gipa, vkGetInstanceProcAddr, sizeof(props->functions.str_gipa)); - if (version.major > 1 || version.minor >= 1) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Indicating layer-specific vkGetInstanceProcAddr " - "function is deprecated starting with JSON file " - "version 1.1.0. Instead, use the new " - "vkNegotiateLayerInterfaceVersion function to " - "return the GetInstanceProcAddr function for this" - "layer"); - } - } - props->functions.str_gipa[sizeof(props->functions.str_gipa) - 1] = '\0'; - if (vkGetDeviceProcAddr != NULL) { - strncpy(props->functions.str_gdpa, vkGetDeviceProcAddr, sizeof(props->functions.str_gdpa)); - if (version.major > 1 || version.minor >= 1) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Indicating layer-specific vkGetDeviceProcAddr " - "function is deprecated starting with JSON file " - "version 1.1.0. Instead, use the new " - "vkNegotiateLayerInterfaceVersion function to " - "return the GetDeviceProcAddr function for this" - "layer"); - } - } - props->functions.str_gdpa[sizeof(props->functions.str_gdpa) - 1] = '\0'; - } - - // instance_extensions - // array of { - // name - // spec_version - // } - GET_JSON_OBJECT(layer_node, instance_extensions) - if (instance_extensions != NULL) { - int count = cJSON_GetArraySize(instance_extensions); - for (i = 0; i < count; i++) { - ext_item = cJSON_GetArrayItem(instance_extensions, i); - GET_JSON_ITEM(ext_item, name) - if (name != NULL) { - strncpy(ext_prop.extensionName, name, sizeof(ext_prop.extensionName)); - ext_prop.extensionName[sizeof(ext_prop.extensionName) - 1] = '\0'; - } - GET_JSON_ITEM(ext_item, spec_version) - if (NULL != spec_version) { - ext_prop.specVersion = atoi(spec_version); - } else { - ext_prop.specVersion = 0; - } - bool ext_unsupported = wsi_unsupported_instance_extension(&ext_prop); - if (!ext_unsupported) { - loader_add_to_ext_list(inst, &props->instance_extension_list, 1, &ext_prop); - } - } - } - - // device_extensions - // array of { - // name - // spec_version - // entrypoints - // } - GET_JSON_OBJECT(layer_node, device_extensions) - if (device_extensions != NULL) { - int count = cJSON_GetArraySize(device_extensions); - for (i = 0; i < count; i++) { - ext_item = cJSON_GetArrayItem(device_extensions, i); - GET_JSON_ITEM(ext_item, name) - GET_JSON_ITEM(ext_item, spec_version) - if (name != NULL) { - strncpy(ext_prop.extensionName, name, sizeof(ext_prop.extensionName)); - ext_prop.extensionName[sizeof(ext_prop.extensionName) - 1] = '\0'; - } - if (NULL != spec_version) { - ext_prop.specVersion = atoi(spec_version); - } else { - ext_prop.specVersion = 0; - } - // entrypoints = cJSON_GetObjectItem(ext_item, "entrypoints"); - GET_JSON_OBJECT(ext_item, entrypoints) - int entry_count; - if (entrypoints == NULL) { - loader_add_to_dev_ext_list(inst, &props->device_extension_list, &ext_prop, 0, NULL); - continue; - } - entry_count = cJSON_GetArraySize(entrypoints); - if (entry_count) { - entry_array = (char **)loader_stack_alloc(sizeof(char *) * entry_count); - } - for (j = 0; j < entry_count; j++) { - ext_item = cJSON_GetArrayItem(entrypoints, j); - if (ext_item != NULL) { - temp = cJSON_Print(ext_item); - if (NULL == temp) { - entry_array[j] = NULL; - result = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - temp[strlen(temp) - 1] = '\0'; - entry_array[j] = loader_stack_alloc(strlen(temp) + 1); - strcpy(entry_array[j], &temp[1]); - cJSON_Free(temp); - } - } - loader_add_to_dev_ext_list(inst, &props->device_extension_list, &ext_prop, entry_count, entry_array); - } - } - if (is_implicit) { - GET_JSON_OBJECT(layer_node, enable_environment) - - // enable_environment is optional - if (enable_environment) { - strncpy(props->enable_env_var.name, enable_environment->child->string, sizeof(props->enable_env_var.name)); - props->enable_env_var.name[sizeof(props->enable_env_var.name) - 1] = '\0'; - strncpy(props->enable_env_var.value, enable_environment->child->valuestring, sizeof(props->enable_env_var.value)); - props->enable_env_var.value[sizeof(props->enable_env_var.value) - 1] = '\0'; - } - } - - // Read in the pre-instance stuff - cJSON *pre_instance = cJSON_GetObjectItem(layer_node, "pre_instance_functions"); - if (pre_instance) { - if (!layer_json_supports_pre_instance_tag(&version)) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "Found pre_instance_functions section in layer from \"%s\". " - "This section is only valid in manifest version 1.1.2 or later. The section will be ignored", - filename); - } else if (!is_implicit) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Found pre_instance_functions section in explicit layer from " - "\"%s\". This section is only valid in implicit layers. The section will be ignored", - filename); - } else { - cJSON *inst_ext_json = cJSON_GetObjectItem(pre_instance, "vkEnumerateInstanceExtensionProperties"); - if (inst_ext_json) { - char *inst_ext_name = cJSON_Print(inst_ext_json); - size_t len = strlen(inst_ext_name) >= MAX_STRING_SIZE ? MAX_STRING_SIZE - 3 : strlen(inst_ext_name) - 2; - strncpy(props->pre_instance_functions.enumerate_instance_extension_properties, inst_ext_name + 1, len); - props->pre_instance_functions.enumerate_instance_extension_properties[len] = '\0'; - cJSON_Free(inst_ext_name); - } - - cJSON *inst_layer_json = cJSON_GetObjectItem(pre_instance, "vkEnumerateInstanceLayerProperties"); - if (inst_layer_json) { - char *inst_layer_name = cJSON_Print(inst_layer_json); - size_t len = strlen(inst_layer_name) >= MAX_STRING_SIZE ? MAX_STRING_SIZE - 3 : strlen(inst_layer_name) - 2; - strncpy(props->pre_instance_functions.enumerate_instance_layer_properties, inst_layer_name + 1, len); - props->pre_instance_functions.enumerate_instance_layer_properties[len] = '\0'; - cJSON_Free(inst_layer_name); - } - } - } - - result = VK_SUCCESS; - -out: - -#undef GET_JSON_ITEM -#undef GET_JSON_OBJECT - - if (VK_SUCCESS != result && NULL != props) { - props->num_component_layers = 0; - if (NULL != props->component_layer_names) { - loader_instance_heap_free(inst, props->component_layer_names); - } - props->component_layer_names = NULL; - } - - return result; -} - -// Given a cJSON struct (json) of the top level JSON object from layer manifest -// file, add entry to the layer_list. Fill out the layer_properties in this list -// entry from the input cJSON object. -// -// \returns -// void -// layer_list has a new entry and initialized accordingly. -// If the json input object does not have all the required fields no entry -// is added to the list. -static VkResult loader_add_layer_properties(const struct loader_instance *inst, struct loader_layer_list *layer_instance_list, - cJSON *json, bool is_implicit, char *filename) { - // The following Fields in layer manifest file that are required: - // - "file_format_version" - // - If more than one "layer" object are used, then the "layers" array is - // required - VkResult result = VK_ERROR_INITIALIZATION_FAILED; - cJSON *item, *layers_node, *layer_node; - layer_json_version json_version = {0, 0, 0}; - char *vers_tok; - cJSON *disable_environment = NULL; - item = cJSON_GetObjectItem(json, "file_format_version"); - if (item == NULL) { - goto out; - } - char *file_vers = cJSON_PrintUnformatted(item); - if (NULL == file_vers) { - goto out; - } - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Found manifest file %s, version %s", filename, file_vers); - // Get the major/minor/and patch as integers for easier comparison - vers_tok = strtok(file_vers, ".\"\n\r"); - if (NULL != vers_tok) { - json_version.major = (uint16_t)atoi(vers_tok); - vers_tok = strtok(NULL, ".\"\n\r"); - if (NULL != vers_tok) { - json_version.minor = (uint16_t)atoi(vers_tok); - vers_tok = strtok(NULL, ".\"\n\r"); - if (NULL != vers_tok) { - json_version.patch = (uint16_t)atoi(vers_tok); - } - } - } - - if (!is_valid_layer_json_version(&json_version)) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_add_layer_properties: %s invalid layer " - "manifest file version %d.%d.%d. May cause errors.", - filename, json_version.major, json_version.minor, json_version.patch); - } - cJSON_Free(file_vers); - - // If "layers" is present, read in the array of layer objects - layers_node = cJSON_GetObjectItem(json, "layers"); - if (layers_node != NULL) { - int numItems = cJSON_GetArraySize(layers_node); - if (!layer_json_supports_layers_tag(&json_version)) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_add_layer_properties: \'layers\' tag not " - "supported until file version 1.0.1, but %s is " - "reporting version %s", - filename, file_vers); - } - for (int curLayer = 0; curLayer < numItems; curLayer++) { - layer_node = cJSON_GetArrayItem(layers_node, curLayer); - if (layer_node == NULL) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_add_layer_properties: Can not find " - "\'layers\' array element %d object in manifest " - "JSON file %s. Skipping this file", - curLayer, filename); - goto out; - } - result = loader_read_json_layer(inst, layer_instance_list, layer_node, json_version, item, disable_environment, - is_implicit, filename); - } - } else { - // Otherwise, try to read in individual layers - layer_node = cJSON_GetObjectItem(json, "layer"); - if (layer_node == NULL) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_add_layer_properties: Can not find \'layer\' " - "object in manifest JSON file %s. Skipping this file.", - filename); - goto out; - } - // Loop through all "layer" objects in the file to get a count of them - // first. - uint16_t layer_count = 0; - cJSON *tempNode = layer_node; - do { - tempNode = tempNode->next; - layer_count++; - } while (tempNode != NULL); - - // Throw a warning if we encounter multiple "layer" objects in file - // versions newer than 1.0.0. Having multiple objects with the same - // name at the same level is actually a JSON standard violation. - if (layer_count > 1 && layer_json_supports_layers_tag(&json_version)) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_layer_properties: Multiple \'layer\' nodes" - " are deprecated starting in file version \"1.0.1\". " - "Please use \'layers\' : [] array instead in %s.", - filename); - } else { - do { - result = loader_read_json_layer(inst, layer_instance_list, layer_node, json_version, item, disable_environment, - is_implicit, filename); - layer_node = layer_node->next; - } while (layer_node != NULL); - } - } - -out: - - return result; -} - -// Find the Vulkan library manifest files. -// -// This function scans the "location" or "env_override" directories/files -// for a list of JSON manifest files. If env_override is non-NULL -// and has a valid value. Then the location is ignored. Otherwise -// location is used to look for manifest files. The location -// is interpreted as Registry path on Windows and a directory path(s) -// on Linux. "home_location" is an additional directory in the users home -// directory to look at. It is expanded into the dir path -// $XDG_DATA_HOME/home_location or $HOME/.local/share/home_location depending -// on environment variables. This "home_location" is only used on Linux. -// -// \returns -// VKResult -// A string list of manifest files to be opened in out_files param. -// List has a pointer to string for each manifest filename. -// When done using the list in out_files, pointers should be freed. -// Location or override string lists can be either files or directories as -// follows: -// | location | override -// -------------------------------- -// Win ICD | files | files -// Win Layer | files | dirs -// Linux ICD | dirs | files -// Linux Layer| dirs | dirs -static VkResult loader_get_manifest_files(const struct loader_instance *inst, const char *env_override, const char *source_override, - bool is_layer, bool warn_if_not_present, const char *location, - const char *relative_location, struct loader_manifest_files *out_files) { - const char *override = NULL; - char *override_getenv = NULL; - char *loc, *orig_loc = NULL; - char *reg = NULL; - char *file, *next_file, *name; - size_t alloced_count = 64; - char full_path[2048]; - DIR *sysdir = NULL; - bool list_is_dirs = false; - struct dirent *dent; - VkResult res = VK_SUCCESS; - - out_files->count = 0; - out_files->filename_list = NULL; - - if (source_override != NULL) { - override = source_override; - } else if (env_override != NULL) { -#if !defined(_WIN32) - if (geteuid() != getuid() || getegid() != getgid()) { - // Don't allow setuid apps to use the env var: - env_override = NULL; - } -#endif - if (env_override != NULL) { - override = override_getenv = loader_secure_getenv(env_override, inst); - } - } - -#if !defined(_WIN32) - if (relative_location == NULL) { -#else - relative_location = NULL; - if (location == NULL) { -#endif - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Can not get manifest files with " - "NULL location, env_override=%s", - (env_override != NULL) ? env_override : ""); - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - -#if defined(_WIN32) - list_is_dirs = (is_layer && override != NULL) ? true : false; -#else - list_is_dirs = (override == NULL || is_layer) ? true : false; -#endif - // Make a copy of the input we are using so it is not modified - // Also handle getting the location(s) from registry on Windows - if (override == NULL) { - size_t loc_size = 0; -#if !defined(_WIN32) - const char *xdgconfdirs = loader_secure_getenv("XDG_CONFIG_DIRS", inst); - const char *xdgdatadirs = loader_secure_getenv("XDG_DATA_DIRS", inst); - if (xdgconfdirs == NULL || xdgconfdirs[0] == '\0') xdgconfdirs = FALLBACK_CONFIG_DIRS; - if (xdgdatadirs == NULL || xdgdatadirs[0] == '\0') xdgdatadirs = FALLBACK_DATA_DIRS; - const size_t rel_size = strlen(relative_location); - // Leave space for trailing separators - loc_size += strlen(xdgconfdirs) + strlen(xdgdatadirs) + 2 * rel_size + 2; - for (const char *x = xdgconfdirs; *x; ++x) - if (*x == PATH_SEPARATOR) loc_size += rel_size; - for (const char *x = xdgdatadirs; *x; ++x) - if (*x == PATH_SEPARATOR) loc_size += rel_size; - loc_size += strlen(SYSCONFDIR) + rel_size + 1; -#if defined(EXTRASYSCONFDIR) - loc_size += strlen(EXTRASYSCONFDIR) + rel_size + 1; -#endif -#else - loc_size += strlen(location) + 1; -#endif - loc = loader_stack_alloc(loc_size); - if (loc == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to allocate " - "%d bytes for manifest file location.", - loc_size); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - char *loc_write = loc; -#if !defined(_WIN32) - const char *loc_read; - size_t start, stop; - - loc_read = &xdgconfdirs[0]; - start = 0; - while (loc_read[start] != '\0') { - while (loc_read[start] == PATH_SEPARATOR) { - start++; - } - stop = start; - while (loc_read[stop] != PATH_SEPARATOR && loc_read[stop] != '\0') { - stop++; - } - const size_t s = stop - start; - if (s) { - memcpy(loc_write, &loc_read[start], s); - loc_write += s; - memcpy(loc_write, relative_location, rel_size); - loc_write += rel_size; - *loc_write++ = PATH_SEPARATOR; - start = stop; - } - } - - memcpy(loc_write, SYSCONFDIR, strlen(SYSCONFDIR)); - loc_write += strlen(SYSCONFDIR); - memcpy(loc_write, relative_location, rel_size); - loc_write += rel_size; - *loc_write++ = PATH_SEPARATOR; - -#if defined(EXTRASYSCONFDIR) - memcpy(loc_write, EXTRASYSCONFDIR, strlen(EXTRASYSCONFDIR)); - loc_write += strlen(EXTRASYSCONFDIR); - memcpy(loc_write, relative_location, rel_size); - loc_write += rel_size; - *loc_write++ = PATH_SEPARATOR; -#endif - - loc_read = &xdgdatadirs[0]; - start = 0; - while (loc_read[start] != '\0') { - while (loc_read[start] == PATH_SEPARATOR) { - start++; - } - stop = start; - while (loc_read[stop] != PATH_SEPARATOR && loc_read[stop] != '\0') { - stop++; - } - const size_t s = stop - start; - if (s) { - memcpy(loc_write, &loc_read[start], s); - loc_write += s; - memcpy(loc_write, relative_location, rel_size); - loc_write += rel_size; - *loc_write++ = PATH_SEPARATOR; - start = stop; - } - } - - --loc_write; -#else - memcpy(loc_write, location, strlen(location)); - loc_write += strlen(location); -#endif - assert(loc_write - loc < (ptrdiff_t)loc_size); - *loc_write = '\0'; - -#if defined(_WIN32) - VkResult regHKR_result = VK_SUCCESS; - - DWORD reg_size = 4096; - - if (!strncmp(loc, DEFAULT_VK_DRIVERS_INFO, sizeof(DEFAULT_VK_DRIVERS_INFO))) { - regHKR_result = loaderGetDeviceRegistryFiles(inst, ®, ®_size, LoaderPnpDriverRegistry()); - } else if (!strncmp(loc, DEFAULT_VK_ELAYERS_INFO, sizeof(DEFAULT_VK_ELAYERS_INFO))) { - regHKR_result = loaderGetDeviceRegistryFiles(inst, ®, ®_size, LoaderPnpELayerRegistry()); - } else if (!strncmp(loc, DEFAULT_VK_ILAYERS_INFO, sizeof(DEFAULT_VK_ILAYERS_INFO))) { - regHKR_result = loaderGetDeviceRegistryFiles(inst, ®, ®_size, LoaderPnpILayerRegistry()); - } - - VkResult reg_result = loaderGetRegistryFiles(inst, loc, is_layer, ®, ®_size); - - if ((VK_SUCCESS != reg_result && VK_SUCCESS != regHKR_result) || NULL == reg) { - if (!is_layer) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Registry lookup failed " - "to get ICD manifest files. Possibly missing Vulkan" - " driver?"); - if (VK_SUCCESS == regHKR_result || VK_ERROR_OUT_OF_HOST_MEMORY == regHKR_result) { - res = regHKR_result; - } else if (VK_SUCCESS == reg_result || VK_ERROR_OUT_OF_HOST_MEMORY == reg_result) { - res = reg_result; - } else { - res = VK_ERROR_INCOMPATIBLE_DRIVER; - } - } else { - if (warn_if_not_present) { - // This is only a warning for layers - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_get_manifest_files: Registry lookup failed " - "to get layer manifest files."); - } - if (reg_result == VK_ERROR_OUT_OF_HOST_MEMORY) { - res = reg_result; - } else { - // Return success for now since it's not critical for layers - res = VK_SUCCESS; - } - } - goto out; - } - orig_loc = loc; - loc = reg; -#endif - } else { - loc = loader_stack_alloc(strlen(override) + 1); - if (loc == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to allocate space for " - "override environment variable of length %d", - strlen(override) + 1); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - strcpy(loc, override); - } - - // Print out the paths being searched if debugging is enabled - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Searching the following paths for manifest files: %s\n", loc); - - file = loc; - while (*file) { - next_file = loader_get_next_path(file); - if (list_is_dirs) { - sysdir = opendir(file); - name = NULL; - if (sysdir) { - dent = readdir(sysdir); - if (dent == NULL) break; - name = &(dent->d_name[0]); - loader_get_fullpath(name, file, sizeof(full_path), full_path); - name = full_path; - } - } else { -#if defined(_WIN32) - name = file; -#else - // only Linux has relative paths - char *dir; - // make a copy of location so it isn't modified - dir = loader_stack_alloc(strlen(loc) + 1); - if (dir == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to allocate " - "space for relative location path length %d", - strlen(loc) + 1); - goto out; - } - strcpy(dir, loc); - - loader_get_fullpath(file, dir, sizeof(full_path), full_path); - - name = full_path; -#endif - } - while (name) { - // Look for files ending with ".json" suffix - uint32_t nlen = (uint32_t)strlen(name); - const char *suf = name + nlen - 5; - - // Check if the file is already present - bool file_already_loaded = false; - for (uint32_t i = 0; i < out_files->count; ++i) { - if (!strcmp(out_files->filename_list[i], name)) { - file_already_loaded = true; - } - } - - if (!file_already_loaded && (nlen > 5) && !strncmp(suf, ".json", 5)) { - if (out_files->count == 0) { - out_files->filename_list = - loader_instance_heap_alloc(inst, alloced_count * sizeof(char *), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); - if (NULL == out_files->filename_list) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to allocate space for manifest file name list"); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - } else if (out_files->count == alloced_count) { - void *new_ptr = - loader_instance_heap_realloc(inst, out_files->filename_list, alloced_count * sizeof(char *), - alloced_count * sizeof(char *) * 2, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); - if (NULL == new_ptr) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to reallocate space for manifest file name list"); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - out_files->filename_list = new_ptr; - alloced_count *= 2; - } - out_files->filename_list[out_files->count] = - loader_instance_heap_alloc(inst, strlen(name) + 1, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); - if (out_files->filename_list[out_files->count] == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to allocate " - "space for manifest file %d list", - out_files->count); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - strcpy(out_files->filename_list[out_files->count], name); - out_files->count++; - } else if(file_already_loaded) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "Skipping manifest file %s - The file has already been read once", name); - } else if (!list_is_dirs) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "Skipping manifest file %s, file name must end in .json", - name); - } - if (list_is_dirs) { - dent = readdir(sysdir); - if (dent == NULL) { - break; - } - name = &(dent->d_name[0]); - loader_get_fullpath(name, file, sizeof(full_path), full_path); - name = full_path; - } else { - break; - } - } - if (sysdir) { - closedir(sysdir); - sysdir = NULL; - } - file = next_file; -#if !defined(_WIN32) - if (relative_location != NULL && (next_file == NULL || *next_file == '\0') && override == NULL) { - char *xdgdatahome = loader_secure_getenv("XDG_DATA_HOME", inst); - size_t len; - if (xdgdatahome != NULL) { - size_t alloc_len = strlen(xdgdatahome) + 2 + strlen(relative_location); - char *home_loc = loader_stack_alloc(alloc_len); - if (home_loc == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to allocate " - "space for manifest file XDG Home location"); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - strcpy(home_loc, xdgdatahome); - // Add directory separator if needed - if (relative_location[0] != DIRECTORY_SYMBOL) { - len = strlen(home_loc); - home_loc[len] = DIRECTORY_SYMBOL; - home_loc[len + 1] = '\0'; - } - strncat(home_loc, relative_location, alloc_len); - file = home_loc; - next_file = loader_get_next_path(file); - relative_location = NULL; - - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Searching the following path for manifest files: %s\n", - home_loc); - list_is_dirs = true; - - } else { - char *home = loader_secure_getenv("HOME", inst); - if (home != NULL) { - size_t alloc_len = strlen(home) + 16 + strlen(relative_location); - char *home_loc = loader_stack_alloc(alloc_len); - if (home_loc == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_get_manifest_files: Failed to allocate " - "space for manifest file Home location"); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - strncpy(home_loc, home, alloc_len); - - len = strlen(home); - if (home[len] != DIRECTORY_SYMBOL) { - home_loc[len] = DIRECTORY_SYMBOL; - home_loc[len + 1] = '\0'; - } - strncat(home_loc, ".local/share", alloc_len); - - if (relative_location[0] != DIRECTORY_SYMBOL) { - len = strlen(home_loc); - home_loc[len] = DIRECTORY_SYMBOL; - home_loc[len + 1] = '\0'; - } - strncat(home_loc, relative_location, alloc_len); - file = home_loc; - next_file = loader_get_next_path(file); - relative_location = NULL; - - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Searching the following path for manifest files: %s\n", - home_loc); - list_is_dirs = true; - } else { - // without knowing HOME, we just.. give up - } - } - } -#endif - } - -out: - if (VK_SUCCESS != res && NULL != out_files->filename_list) { - for (uint32_t remove = 0; remove < out_files->count; remove++) { - loader_instance_heap_free(inst, out_files->filename_list[remove]); - } - loader_instance_heap_free(inst, out_files->filename_list); - out_files->count = 0; - out_files->filename_list = NULL; - } - - if (NULL != sysdir) { - closedir(sysdir); - } - - if (override_getenv != NULL) { - loader_free_getenv(override_getenv, inst); - } - - if (NULL != reg && reg != orig_loc) { - loader_instance_heap_free(inst, reg); - } - return res; -} - -void loader_init_icd_lib_list() {} - -void loader_destroy_icd_lib_list() {} - -// Try to find the Vulkan ICD driver(s). -// -// This function scans the default system loader path(s) or path -// specified by the \c VK_ICD_FILENAMES environment variable in -// order to find loadable VK ICDs manifest files. From these -// manifest files it finds the ICD libraries. -// -// \returns -// Vulkan result -// (on result == VK_SUCCESS) a list of icds that were discovered -VkResult loader_icd_scan(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list) { - char *file_str; - uint16_t file_major_vers = 0; - uint16_t file_minor_vers = 0; - uint16_t file_patch_vers = 0; - char *vers_tok; - struct loader_manifest_files manifest_files; - VkResult res = VK_SUCCESS; - bool lockedMutex = false; - cJSON *json = NULL; - uint32_t num_good_icds = 0; - - memset(&manifest_files, 0, sizeof(struct loader_manifest_files)); - - res = loader_scanned_icd_init(inst, icd_tramp_list); - if (VK_SUCCESS != res) { - goto out; - } - - // Get a list of manifest files for ICDs - res = loader_get_manifest_files(inst, "VK_ICD_FILENAMES", NULL, false, true, DEFAULT_VK_DRIVERS_INFO, RELATIVE_VK_DRIVERS_INFO, - &manifest_files); - if (VK_SUCCESS != res || manifest_files.count == 0) { - goto out; - } - - loader_platform_thread_lock_mutex(&loader_json_lock); - lockedMutex = true; - for (uint32_t i = 0; i < manifest_files.count; i++) { - file_str = manifest_files.filename_list[i]; - if (file_str == NULL) { - continue; - } - - VkResult temp_res = loader_get_json(inst, file_str, &json); - if (NULL == json || temp_res != VK_SUCCESS) { - if (NULL != json) { - cJSON_Delete(json); - json = NULL; - } - // If we haven't already found an ICD, copy this result to - // the returned result. - if (num_good_icds == 0) { - res = temp_res; - } - if (temp_res == VK_ERROR_OUT_OF_HOST_MEMORY) { - break; - } else { - continue; - } - } - res = temp_res; - - cJSON *item, *itemICD; - item = cJSON_GetObjectItem(json, "file_format_version"); - if (item == NULL) { - if (num_good_icds == 0) { - res = VK_ERROR_INITIALIZATION_FAILED; - } - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: ICD JSON %s does not have a" - " \'file_format_version\' field. Skipping ICD JSON.", - file_str); - cJSON_Delete(json); - json = NULL; - continue; - } - - char *file_vers = cJSON_Print(item); - if (NULL == file_vers) { - // Only reason the print can fail is if there was an allocation issue - if (num_good_icds == 0) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - } - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: Failed retrieving ICD JSON %s" - " \'file_format_version\' field. Skipping ICD JSON", - file_str); - cJSON_Delete(json); - json = NULL; - continue; - } - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Found ICD manifest file %s, version %s", file_str, file_vers); - - // Get the major/minor/and patch as integers for easier comparison - vers_tok = strtok(file_vers, ".\"\n\r"); - if (NULL != vers_tok) { - file_major_vers = (uint16_t)atoi(vers_tok); - vers_tok = strtok(NULL, ".\"\n\r"); - if (NULL != vers_tok) { - file_minor_vers = (uint16_t)atoi(vers_tok); - vers_tok = strtok(NULL, ".\"\n\r"); - if (NULL != vers_tok) { - file_patch_vers = (uint16_t)atoi(vers_tok); - } - } - } - - if (file_major_vers != 1 || file_minor_vers != 0 || file_patch_vers > 1) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: Unexpected manifest file version " - "(expected 1.0.0 or 1.0.1), may cause errors"); - } - cJSON_Free(file_vers); - - itemICD = cJSON_GetObjectItem(json, "ICD"); - if (itemICD != NULL) { - item = cJSON_GetObjectItem(itemICD, "library_path"); - if (item != NULL) { - char *temp = cJSON_Print(item); - if (!temp || strlen(temp) == 0) { - if (num_good_icds == 0) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - } - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: Failed retrieving ICD JSON %s" - " \'library_path\' field. Skipping ICD JSON.", - file_str); - cJSON_Free(temp); - cJSON_Delete(json); - json = NULL; - continue; - } - // strip out extra quotes - temp[strlen(temp) - 1] = '\0'; - char *library_path = loader_stack_alloc(strlen(temp) + 1); - if (NULL == library_path) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_icd_scan: Failed to allocate space for " - "ICD JSON %s \'library_path\' value. Skipping " - "ICD JSON.", - file_str); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - cJSON_Free(temp); - cJSON_Delete(json); - json = NULL; - goto out; - } - strcpy(library_path, &temp[1]); - cJSON_Free(temp); - if (strlen(library_path) == 0) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: ICD JSON %s \'library_path\'" - " field is empty. Skipping ICD JSON.", - file_str); - cJSON_Delete(json); - json = NULL; - continue; - } - char fullpath[MAX_STRING_SIZE]; - // Print out the paths being searched if debugging is enabled - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Searching for ICD drivers named %s, using default dir %s", - library_path, DEFAULT_VK_DRIVERS_PATH); - if (loader_platform_is_path(library_path)) { - // a relative or absolute path - char *name_copy = loader_stack_alloc(strlen(file_str) + 1); - char *rel_base; - strcpy(name_copy, file_str); - rel_base = loader_platform_dirname(name_copy); - loader_expand_path(library_path, rel_base, sizeof(fullpath), fullpath); - } else { - // a filename which is assumed in a system directory - loader_get_fullpath(library_path, DEFAULT_VK_DRIVERS_PATH, sizeof(fullpath), fullpath); - } - - uint32_t vers = 0; - item = cJSON_GetObjectItem(itemICD, "api_version"); - if (item != NULL) { - temp = cJSON_Print(item); - if (NULL == temp) { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: Failed retrieving ICD JSON %s" - " \'api_version\' field. Skipping ICD JSON.", - file_str); - - // Only reason the print can fail is if there was an - // allocation issue - if (num_good_icds == 0) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - } - - cJSON_Free(temp); - cJSON_Delete(json); - json = NULL; - continue; - } - vers = loader_make_version(temp); - cJSON_Free(temp); - } else { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: ICD JSON %s does not have an" - " \'api_version\' field.", - file_str); - } - - res = loader_scanned_icd_add(inst, icd_tramp_list, fullpath, vers); - if (VK_SUCCESS != res) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_icd_scan: Failed to add ICD JSON %s. " - " Skipping ICD JSON.", - fullpath); - cJSON_Delete(json); - json = NULL; - continue; - } - num_good_icds++; - } else { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: Failed to find \'library_path\' " - "object in ICD JSON file %s. Skipping ICD JSON.", - file_str); - } - } else { - loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "loader_icd_scan: Can not find \'ICD\' object in ICD JSON " - "file %s. Skipping ICD JSON", - file_str); - } - - cJSON_Delete(json); - json = NULL; - } - -out: - - if (NULL != json) { - cJSON_Delete(json); - } - - if (NULL != manifest_files.filename_list) { - for (uint32_t i = 0; i < manifest_files.count; i++) { - if (NULL != manifest_files.filename_list[i]) { - loader_instance_heap_free(inst, manifest_files.filename_list[i]); - } - } - loader_instance_heap_free(inst, manifest_files.filename_list); - } - if (lockedMutex) { - loader_platform_thread_unlock_mutex(&loader_json_lock); - } - - return res; -} - -void loader_layer_scan(const struct loader_instance *inst, struct loader_layer_list *instance_layers) { - char *file_str; - struct loader_manifest_files manifest_files[2]; // [0] = explicit, [1] = implicit - cJSON *json; - uint32_t implicit; - bool lockedMutex = false; - - memset(manifest_files, 0, sizeof(struct loader_manifest_files) * 2); - - // Get a list of manifest files for explicit layers - if (VK_SUCCESS != loader_get_manifest_files(inst, LAYERS_PATH_ENV, LAYERS_SOURCE_PATH, true, true, DEFAULT_VK_ELAYERS_INFO, - RELATIVE_VK_ELAYERS_INFO, &manifest_files[0])) { - goto out; - } - - // Get a list of manifest files for any implicit layers - // Pass NULL for environment variable override - implicit layers are not - // overridden by LAYERS_PATH_ENV - if (VK_SUCCESS != loader_get_manifest_files(inst, NULL, NULL, true, false, DEFAULT_VK_ILAYERS_INFO, RELATIVE_VK_ILAYERS_INFO, - &manifest_files[1])) { - goto out; - } - - // Make sure we have at least one layer, if not, go ahead and return - if (manifest_files[0].count == 0 && manifest_files[1].count == 0) { - goto out; - } - - // cleanup any previously scanned libraries - loader_delete_layer_properties(inst, instance_layers); - - loader_platform_thread_lock_mutex(&loader_json_lock); - lockedMutex = true; - for (implicit = 0; implicit < 2; implicit++) { - for (uint32_t i = 0; i < manifest_files[implicit].count; i++) { - file_str = manifest_files[implicit].filename_list[i]; - if (file_str == NULL) continue; - - // parse file into JSON struct - VkResult res = loader_get_json(inst, file_str, &json); - if (VK_ERROR_OUT_OF_HOST_MEMORY == res) { - break; - } else if (VK_SUCCESS != res || NULL == json) { - continue; - } - - VkResult local_res = loader_add_layer_properties(inst, instance_layers, json, (implicit == 1), file_str); - cJSON_Delete(json); - - if (VK_SUCCESS != local_res) { - goto out; - } - } - } - - // See if "VK_LAYER_LUNARG_standard_validation" already in list. - bool found_std_val = false; - for (uint32_t i = 0; i < instance_layers->count; i++) { - struct loader_layer_properties *props = &instance_layers->list[i]; - if (strcmp(props->info.layerName, std_validation_str) == 0) { - found_std_val = true; - break; - } - } - - // If we didn't find the VK_LAYER_LUNARG_standard_validation meta-layer in - // the list, then we need to add it manually. This is likely because we're - // dealing with a new loader, but an old layer folder. - if (!found_std_val && !loader_add_legacy_std_val_layer(inst, instance_layers)) { - goto out; - } - - // Verify any meta-layers in the list are valid and all the component layers are - // actually present in the available layer list - verify_all_meta_layers(inst, instance_layers); - -out: - - for (uint32_t manFile = 0; manFile < 2; manFile++) { - if (NULL != manifest_files[manFile].filename_list) { - for (uint32_t i = 0; i < manifest_files[manFile].count; i++) { - if (NULL != manifest_files[manFile].filename_list[i]) { - loader_instance_heap_free(inst, manifest_files[manFile].filename_list[i]); - } - } - loader_instance_heap_free(inst, manifest_files[manFile].filename_list); - } - } - if (lockedMutex) { - loader_platform_thread_unlock_mutex(&loader_json_lock); - } -} - -void loader_implicit_layer_scan(const struct loader_instance *inst, struct loader_layer_list *instance_layers) { - char *file_str; - struct loader_manifest_files manifest_files; - cJSON *json; - uint32_t i; - - // Pass NULL for environment variable override - implicit layers are not - // overridden by LAYERS_PATH_ENV - VkResult res = loader_get_manifest_files(inst, NULL, NULL, true, false, DEFAULT_VK_ILAYERS_INFO, RELATIVE_VK_ILAYERS_INFO, - &manifest_files); - if (VK_SUCCESS != res || manifest_files.count == 0) { - return; - } - - // Cleanup any previously scanned libraries - loader_delete_layer_properties(inst, instance_layers); - - loader_platform_thread_lock_mutex(&loader_json_lock); - - for (i = 0; i < manifest_files.count; i++) { - file_str = manifest_files.filename_list[i]; - if (file_str == NULL) { - continue; - } - - // parse file into JSON struct - res = loader_get_json(inst, file_str, &json); - if (VK_ERROR_OUT_OF_HOST_MEMORY == res) { - break; - } else if (VK_SUCCESS != res || NULL == json) { - continue; - } - - res = loader_add_layer_properties(inst, instance_layers, json, true, file_str); - - loader_instance_heap_free(inst, file_str); - cJSON_Delete(json); - - if (VK_ERROR_OUT_OF_HOST_MEMORY == res) { - break; - } - } - loader_instance_heap_free(inst, manifest_files.filename_list); - loader_platform_thread_unlock_mutex(&loader_json_lock); -} - -// Check if an implicit layer should be enabled. -bool loader_is_implicit_layer_enabled(const struct loader_instance *inst, const struct loader_layer_properties *prop) { - bool enable = false; - char *env_value = NULL; - - // if no enable_environment variable is specified, this implicit layer - // should always be enabled. Otherwise check if the variable is set - if (prop->enable_env_var.name[0] == 0) { - enable = true; - } else { - env_value = loader_secure_getenv(prop->enable_env_var.name, inst); - if (env_value && !strcmp(prop->enable_env_var.value, env_value)) enable = true; - loader_free_getenv(env_value, inst); - } - - // disable_environment has priority, i.e. if both enable and disable - // environment variables are set, the layer is disabled. Implicit - // layers are required to have a disable_environment variables - env_value = loader_secure_getenv(prop->disable_env_var.name, inst); - if (env_value && !strcmp(prop->disable_env_var.value, env_value)) enable = false; - loader_free_getenv(env_value, inst); - - return enable; -} - -static VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL loader_gpdpa_instance_internal(VkInstance inst, const char *pName) { - // inst is not wrapped - if (inst == VK_NULL_HANDLE) { - return NULL; - } - VkLayerInstanceDispatchTable *disp_table = *(VkLayerInstanceDispatchTable **)inst; - void *addr; - - if (disp_table == NULL) return NULL; - - bool found_name; - addr = loader_lookup_instance_dispatch_table(disp_table, pName, &found_name); - if (found_name) { - return addr; - } - - if (loader_phys_dev_ext_gpa(loader_get_instance(inst), pName, true, NULL, &addr)) return addr; - - // Don't call down the chain, this would be an infinite loop - loader_log(NULL, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "loader_gpdpa_instance_internal() unrecognized name %s", pName); - return NULL; -} - -static VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL loader_gpdpa_instance_terminator(VkInstance inst, const char *pName) { - // inst is not wrapped - if (inst == VK_NULL_HANDLE) { - return NULL; - } - VkLayerInstanceDispatchTable *disp_table = *(VkLayerInstanceDispatchTable **)inst; - void *addr; - - if (disp_table == NULL) return NULL; - - bool found_name; - addr = loader_lookup_instance_dispatch_table(disp_table, pName, &found_name); - if (found_name) { - return addr; - } - - // Get the terminator, but don't perform checking since it should already - // have been setup if we get here. - if (loader_phys_dev_ext_gpa(loader_get_instance(inst), pName, false, NULL, &addr)) { - return addr; - } - - // Don't call down the chain, this would be an infinite loop - loader_log(NULL, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "loader_gpdpa_instance_terminator() unrecognized name %s", pName); - return NULL; -} - -static VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL loader_gpa_instance_internal(VkInstance inst, const char *pName) { - if (!strcmp(pName, "vkGetInstanceProcAddr")) { - return (PFN_vkVoidFunction)loader_gpa_instance_internal; - } - if (!strcmp(pName, "vk_layerGetPhysicalDeviceProcAddr")) { - return (PFN_vkVoidFunction)loader_gpdpa_instance_terminator; - } - if (!strcmp(pName, "vkCreateInstance")) { - return (PFN_vkVoidFunction)terminator_CreateInstance; - } - if (!strcmp(pName, "vkCreateDevice")) { - return (PFN_vkVoidFunction)terminator_CreateDevice; - } - - // inst is not wrapped - if (inst == VK_NULL_HANDLE) { - return NULL; - } - VkLayerInstanceDispatchTable *disp_table = *(VkLayerInstanceDispatchTable **)inst; - void *addr; - - if (disp_table == NULL) return NULL; - - bool found_name; - addr = loader_lookup_instance_dispatch_table(disp_table, pName, &found_name); - if (found_name) { - return addr; - } - - // Don't call down the chain, this would be an infinite loop - loader_log(NULL, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "loader_gpa_instance_internal() unrecognized name %s", pName); - return NULL; -} - -VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL loader_gpa_device_internal(VkDevice device, const char *pName) { - struct loader_device *dev; - struct loader_icd_term *icd_term = loader_get_icd_and_device(device, &dev, NULL); - - // Return this function if a layer above here is asking for the vkGetDeviceProcAddr. - // This is so we can properly intercept any device commands needing a terminator. - if (!strcmp(pName, "vkGetDeviceProcAddr")) { - return (PFN_vkVoidFunction)loader_gpa_device_internal; - } - - // NOTE: Device Funcs needing Trampoline/Terminator. - // Overrides for device functions needing a trampoline and - // a terminator because certain device entry-points still need to go - // through a terminator before hitting the ICD. This could be for - // several reasons, but the main one is currently unwrapping an - // object before passing the appropriate info along to the ICD. - // This is why we also have to override the direct ICD call to - // vkGetDeviceProcAddr to intercept those calls. - PFN_vkVoidFunction addr = get_extension_device_proc_terminator(pName); - if (NULL != addr) { - return addr; - } - - return icd_term->dispatch.GetDeviceProcAddr(device, pName); -} - -// Initialize device_ext dispatch table entry as follows: -// If dev == NULL find all logical devices created within this instance and -// init the entry (given by idx) in the ext dispatch table. -// If dev != NULL only initialize the entry in the given dev's dispatch table. -// The initialization value is gotten by calling down the device chain with -// GDPA. -// If GDPA returns NULL then don't initialize the dispatch table entry. -static void loader_init_dispatch_dev_ext_entry(struct loader_instance *inst, struct loader_device *dev, uint32_t idx, - const char *funcName) - -{ - void *gdpa_value; - if (dev != NULL) { - gdpa_value = dev->loader_dispatch.core_dispatch.GetDeviceProcAddr(dev->chain_device, funcName); - if (gdpa_value != NULL) dev->loader_dispatch.ext_dispatch.dev_ext[idx] = (PFN_vkDevExt)gdpa_value; - } else { - for (struct loader_icd_term *icd_term = inst->icd_terms; icd_term != NULL; icd_term = icd_term->next) { - struct loader_device *ldev = icd_term->logical_device_list; - while (ldev) { - gdpa_value = ldev->loader_dispatch.core_dispatch.GetDeviceProcAddr(ldev->chain_device, funcName); - if (gdpa_value != NULL) ldev->loader_dispatch.ext_dispatch.dev_ext[idx] = (PFN_vkDevExt)gdpa_value; - ldev = ldev->next; - } - } - } -} - -// Find all dev extension in the hash table and initialize the dispatch table -// for dev for each of those extension entrypoints found in hash table. -void loader_init_dispatch_dev_ext(struct loader_instance *inst, struct loader_device *dev) { - for (uint32_t i = 0; i < MAX_NUM_UNKNOWN_EXTS; i++) { - if (inst->dev_ext_disp_hash[i].func_name != NULL) - loader_init_dispatch_dev_ext_entry(inst, dev, i, inst->dev_ext_disp_hash[i].func_name); - } -} - -static bool loader_check_icds_for_dev_ext_address(struct loader_instance *inst, const char *funcName) { - struct loader_icd_term *icd_term; - icd_term = inst->icd_terms; - while (NULL != icd_term) { - if (icd_term->scanned_icd->GetInstanceProcAddr(icd_term->instance, funcName)) - // this icd supports funcName - return true; - icd_term = icd_term->next; - } - - return false; -} - -static bool loader_check_layer_list_for_dev_ext_address(const struct loader_layer_list *const layers, const char *funcName) { - // Iterate over the layers. - for (uint32_t layer = 0; layer < layers->count; ++layer) { - // Iterate over the extensions. - const struct loader_device_extension_list *const extensions = &(layers->list[layer].device_extension_list); - for (uint32_t extension = 0; extension < extensions->count; ++extension) { - // Iterate over the entry points. - const struct loader_dev_ext_props *const property = &(extensions->list[extension]); - for (uint32_t entry = 0; entry < property->entrypoint_count; ++entry) { - if (strcmp(property->entrypoints[entry], funcName) == 0) { - return true; - } - } - } - } - - return false; -} - -static void loader_free_dev_ext_table(struct loader_instance *inst) { - for (uint32_t i = 0; i < MAX_NUM_UNKNOWN_EXTS; i++) { - loader_instance_heap_free(inst, inst->dev_ext_disp_hash[i].func_name); - loader_instance_heap_free(inst, inst->dev_ext_disp_hash[i].list.index); - } - memset(inst->dev_ext_disp_hash, 0, sizeof(inst->dev_ext_disp_hash)); -} - -static bool loader_add_dev_ext_table(struct loader_instance *inst, uint32_t *ptr_idx, const char *funcName) { - uint32_t i; - uint32_t idx = *ptr_idx; - struct loader_dispatch_hash_list *list = &inst->dev_ext_disp_hash[idx].list; - - if (!inst->dev_ext_disp_hash[idx].func_name) { - // no entry here at this idx, so use it - assert(list->capacity == 0); - inst->dev_ext_disp_hash[idx].func_name = - (char *)loader_instance_heap_alloc(inst, strlen(funcName) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (inst->dev_ext_disp_hash[idx].func_name == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_dev_ext_table: Failed to allocate memory " - "for func_name %s", - funcName); - return false; - } - strncpy(inst->dev_ext_disp_hash[idx].func_name, funcName, strlen(funcName) + 1); - return true; - } - - // check for enough capacity - if (list->capacity == 0) { - list->index = loader_instance_heap_alloc(inst, 8 * sizeof(*(list->index)), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (list->index == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_add_dev_ext_table: Failed to allocate memory for list index", - funcName); - return false; - } - list->capacity = 8 * sizeof(*(list->index)); - } else if (list->capacity < (list->count + 1) * sizeof(*(list->index))) { - void *new_ptr = loader_instance_heap_realloc(inst, list->index, list->capacity, list->capacity * 2, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_ptr) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_dev_ext_table: Failed to reallocate memory for list index", funcName); - return false; - } - list->index = new_ptr; - list->capacity *= 2; - } - - // find an unused index in the hash table and use it - i = (idx + 1) % MAX_NUM_UNKNOWN_EXTS; - do { - if (!inst->dev_ext_disp_hash[i].func_name) { - assert(inst->dev_ext_disp_hash[i].list.capacity == 0); - inst->dev_ext_disp_hash[i].func_name = - (char *)loader_instance_heap_alloc(inst, strlen(funcName) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (inst->dev_ext_disp_hash[i].func_name == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_dev_ext_table: Failed to allocate memory " - "for func_name %s", - funcName); - return false; - } - strncpy(inst->dev_ext_disp_hash[i].func_name, funcName, strlen(funcName) + 1); - list->index[list->count] = i; - list->count++; - *ptr_idx = i; - return true; - } - i = (i + 1) % MAX_NUM_UNKNOWN_EXTS; - } while (i != idx); - - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_dev_ext_table: Could not insert into hash table; is " - "it full?"); - - return false; -} - -static bool loader_name_in_dev_ext_table(struct loader_instance *inst, uint32_t *idx, const char *funcName) { - uint32_t alt_idx; - if (inst->dev_ext_disp_hash[*idx].func_name && !strcmp(inst->dev_ext_disp_hash[*idx].func_name, funcName)) return true; - - // funcName wasn't at the primary spot in the hash table - // search the list of secondary locations (shallow search, not deep search) - for (uint32_t i = 0; i < inst->dev_ext_disp_hash[*idx].list.count; i++) { - alt_idx = inst->dev_ext_disp_hash[*idx].list.index[i]; - if (!strcmp(inst->dev_ext_disp_hash[*idx].func_name, funcName)) { - *idx = alt_idx; - return true; - } - } - - return false; -} - -// This function returns generic trampoline code address for unknown entry -// points. -// Presumably, these unknown entry points (as given by funcName) are device -// extension entrypoints. A hash table is used to keep a list of unknown entry -// points and their mapping to the device extension dispatch table -// (struct loader_dev_ext_dispatch_table). -// \returns -// For a given entry point string (funcName), if an existing mapping is found -// the -// trampoline address for that mapping is returned. Otherwise, this unknown -// entry point -// has not been seen yet. Next check if a layer or ICD supports it. If so then -// a -// new entry in the hash table is initialized and that trampoline address for -// the new entry is returned. Null is returned if the hash table is full or -// if no discovered layer or ICD returns a non-NULL GetProcAddr for it. -void *loader_dev_ext_gpa(struct loader_instance *inst, const char *funcName) { - uint32_t idx; - uint32_t seed = 0; - - idx = murmurhash(funcName, strlen(funcName), seed) % MAX_NUM_UNKNOWN_EXTS; - - if (loader_name_in_dev_ext_table(inst, &idx, funcName)) - // found funcName already in hash - return loader_get_dev_ext_trampoline(idx); - - // Check if funcName is supported in either ICDs or a layer library - if (!loader_check_icds_for_dev_ext_address(inst, funcName) && - !loader_check_layer_list_for_dev_ext_address(&inst->app_activated_layer_list, funcName)) { - // if support found in layers continue on - return NULL; - } - - if (loader_add_dev_ext_table(inst, &idx, funcName)) { - // successfully added new table entry - // init any dev dispatch table entries as needed - loader_init_dispatch_dev_ext_entry(inst, NULL, idx, funcName); - return loader_get_dev_ext_trampoline(idx); - } - - return NULL; -} - -static bool loader_check_icds_for_phys_dev_ext_address(struct loader_instance *inst, const char *funcName) { - struct loader_icd_term *icd_term; - icd_term = inst->icd_terms; - while (NULL != icd_term) { - if (icd_term->scanned_icd->interface_version >= MIN_PHYS_DEV_EXTENSION_ICD_INTERFACE_VERSION && - icd_term->scanned_icd->GetPhysicalDeviceProcAddr(icd_term->instance, funcName)) - // this icd supports funcName - return true; - icd_term = icd_term->next; - } - - return false; -} - -static bool loader_check_layer_list_for_phys_dev_ext_address(struct loader_instance *inst, const char *funcName) { - struct loader_layer_properties *layer_prop_list = inst->expanded_activated_layer_list.list; - for (uint32_t layer = 0; layer < inst->expanded_activated_layer_list.count; ++layer) { - // If this layer supports the vk_layerGetPhysicalDeviceProcAddr, then call - // it and see if it returns a valid pointer for this function name. - if (layer_prop_list[layer].interface_version > 1) { - const struct loader_layer_functions *const functions = &(layer_prop_list[layer].functions); - if (NULL != functions->get_physical_device_proc_addr && - NULL != functions->get_physical_device_proc_addr((VkInstance)inst->instance, funcName)) { - return true; - } - } - } - - return false; -} - -static void loader_free_phys_dev_ext_table(struct loader_instance *inst) { - for (uint32_t i = 0; i < MAX_NUM_UNKNOWN_EXTS; i++) { - loader_instance_heap_free(inst, inst->phys_dev_ext_disp_hash[i].func_name); - loader_instance_heap_free(inst, inst->phys_dev_ext_disp_hash[i].list.index); - } - memset(inst->phys_dev_ext_disp_hash, 0, sizeof(inst->phys_dev_ext_disp_hash)); -} - -static bool loader_add_phys_dev_ext_table(struct loader_instance *inst, uint32_t *ptr_idx, const char *funcName) { - uint32_t i; - uint32_t idx = *ptr_idx; - struct loader_dispatch_hash_list *list = &inst->phys_dev_ext_disp_hash[idx].list; - - if (!inst->phys_dev_ext_disp_hash[idx].func_name) { - // no entry here at this idx, so use it - assert(list->capacity == 0); - inst->phys_dev_ext_disp_hash[idx].func_name = - (char *)loader_instance_heap_alloc(inst, strlen(funcName) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (inst->phys_dev_ext_disp_hash[idx].func_name == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_phys_dev_ext_table() can't allocate memory for " - "func_name"); - return false; - } - strncpy(inst->phys_dev_ext_disp_hash[idx].func_name, funcName, strlen(funcName) + 1); - return true; - } - - // check for enough capacity - if (list->capacity == 0) { - list->index = loader_instance_heap_alloc(inst, 8 * sizeof(*(list->index)), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (list->index == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_add_phys_dev_ext_table() can't allocate list memory"); - return false; - } - list->capacity = 8 * sizeof(*(list->index)); - } else if (list->capacity < (list->count + 1) * sizeof(*(list->index))) { - void *new_ptr = loader_instance_heap_realloc(inst, list->index, list->capacity, list->capacity * 2, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_ptr) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_add_phys_dev_ext_table() can't reallocate list memory"); - return false; - } - list->index = new_ptr; - list->capacity *= 2; - } - - // find an unused index in the hash table and use it - i = (idx + 1) % MAX_NUM_UNKNOWN_EXTS; - do { - if (!inst->phys_dev_ext_disp_hash[i].func_name) { - assert(inst->phys_dev_ext_disp_hash[i].list.capacity == 0); - inst->phys_dev_ext_disp_hash[i].func_name = - (char *)loader_instance_heap_alloc(inst, strlen(funcName) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (inst->phys_dev_ext_disp_hash[i].func_name == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_dev_ext_table() can't reallocate " - "func_name memory"); - return false; - } - strncpy(inst->phys_dev_ext_disp_hash[i].func_name, funcName, strlen(funcName) + 1); - list->index[list->count] = i; - list->count++; - *ptr_idx = i; - return true; - } - i = (i + 1) % MAX_NUM_UNKNOWN_EXTS; - } while (i != idx); - - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_add_phys_dev_ext_table() couldn't insert into hash table; is " - "it full?"); - return false; -} - -static bool loader_name_in_phys_dev_ext_table(struct loader_instance *inst, uint32_t *idx, const char *funcName) { - uint32_t alt_idx; - if (inst->phys_dev_ext_disp_hash[*idx].func_name && !strcmp(inst->phys_dev_ext_disp_hash[*idx].func_name, funcName)) - return true; - - // funcName wasn't at the primary spot in the hash table - // search the list of secondary locations (shallow search, not deep search) - for (uint32_t i = 0; i < inst->phys_dev_ext_disp_hash[*idx].list.count; i++) { - alt_idx = inst->phys_dev_ext_disp_hash[*idx].list.index[i]; - if (!strcmp(inst->phys_dev_ext_disp_hash[*idx].func_name, funcName)) { - *idx = alt_idx; - return true; - } - } - - return false; -} - -// This function returns a generic trampoline and/or terminator function -// address for any unknown physical device extension commands. A hash -// table is used to keep a list of unknown entry points and their -// mapping to the physical device extension dispatch table (struct -// loader_phys_dev_ext_dispatch_table). -// For a given entry point string (funcName), if an existing mapping is -// found, then the trampoline address for that mapping is returned in -// tramp_addr (if it is not NULL) and the terminator address for that -// mapping is returned in term_addr (if it is not NULL). Otherwise, -// this unknown entry point has not been seen yet. -// If it has not been seen before, and perform_checking is 'true', -// check if a layer or and ICD supports it. If so then a new entry in -// the hash table is initialized and the trampoline and/or terminator -// addresses are returned. -// Null is returned if the hash table is full or if no discovered layer or -// ICD returns a non-NULL GetProcAddr for it. -bool loader_phys_dev_ext_gpa(struct loader_instance *inst, const char *funcName, bool perform_checking, void **tramp_addr, - void **term_addr) { - uint32_t idx; - uint32_t seed = 0; - bool success = false; - - if (inst == NULL) { - goto out; - } - - if (NULL != tramp_addr) { - *tramp_addr = NULL; - } - if (NULL != term_addr) { - *term_addr = NULL; - } - - // We should always check to see if any ICD supports it. - if (!loader_check_icds_for_phys_dev_ext_address(inst, funcName)) { - // If we're not checking layers, or we are and it's not in a layer, just - // return - if (!perform_checking || !loader_check_layer_list_for_phys_dev_ext_address(inst, funcName)) { - goto out; - } - } - - idx = murmurhash(funcName, strlen(funcName), seed) % MAX_NUM_UNKNOWN_EXTS; - if (perform_checking && !loader_name_in_phys_dev_ext_table(inst, &idx, funcName)) { - uint32_t i; - bool added = false; - - // Only need to add first one to get index in Instance. Others will use - // the same index. - if (!added && loader_add_phys_dev_ext_table(inst, &idx, funcName)) { - added = true; - } - - // Setup the ICD function pointers - struct loader_icd_term *icd_term = inst->icd_terms; - while (NULL != icd_term) { - if (MIN_PHYS_DEV_EXTENSION_ICD_INTERFACE_VERSION <= icd_term->scanned_icd->interface_version && - NULL != icd_term->scanned_icd->GetPhysicalDeviceProcAddr) { - icd_term->phys_dev_ext[idx] = - (PFN_PhysDevExt)icd_term->scanned_icd->GetPhysicalDeviceProcAddr(icd_term->instance, funcName); - - // Make sure we set the instance dispatch to point to the - // loader's terminator now since we can at least handle it - // in one ICD. - inst->disp->phys_dev_ext[idx] = loader_get_phys_dev_ext_termin(idx); - } else { - icd_term->phys_dev_ext[idx] = NULL; - } - - icd_term = icd_term->next; - } - - // Now, search for the first layer attached and query using it to get - // the first entry point. - for (i = 0; i < inst->expanded_activated_layer_list.count; i++) { - struct loader_layer_properties *layer_prop = &inst->expanded_activated_layer_list.list[i]; - if (layer_prop->interface_version > 1 && NULL != layer_prop->functions.get_physical_device_proc_addr) { - inst->disp->phys_dev_ext[idx] = - (PFN_PhysDevExt)layer_prop->functions.get_physical_device_proc_addr((VkInstance)inst->instance, funcName); - if (NULL != inst->disp->phys_dev_ext[idx]) { - break; - } - } - } - } - - if (NULL != tramp_addr) { - *tramp_addr = loader_get_phys_dev_ext_tramp(idx); - } - - if (NULL != term_addr) { - *term_addr = loader_get_phys_dev_ext_termin(idx); - } - - success = true; - -out: - return success; -} - -struct loader_instance *loader_get_instance(const VkInstance instance) { - // look up the loader_instance in our list by comparing dispatch tables, as - // there is no guarantee the instance is still a loader_instance* after any - // layers which wrap the instance object. - const VkLayerInstanceDispatchTable *disp; - struct loader_instance *ptr_instance = NULL; - disp = loader_get_instance_layer_dispatch(instance); - for (struct loader_instance *inst = loader.instances; inst; inst = inst->next) { - if (&inst->disp->layer_inst_disp == disp) { - ptr_instance = inst; - break; - } - } - return ptr_instance; -} - -static loader_platform_dl_handle loader_open_layer_lib(const struct loader_instance *inst, const char *chain_type, - struct loader_layer_properties *prop) { - if ((prop->lib_handle = loader_platform_open_library(prop->lib_name)) == NULL) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, loader_platform_open_library_error(prop->lib_name)); - } else { - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Loading layer library %s", prop->lib_name); - } - - return prop->lib_handle; -} - -static void loader_close_layer_lib(const struct loader_instance *inst, struct loader_layer_properties *prop) { - if (prop->lib_handle) { - loader_platform_close_library(prop->lib_handle); - loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Unloading layer library %s", prop->lib_name); - prop->lib_handle = NULL; - } -} - -void loader_deactivate_layers(const struct loader_instance *instance, struct loader_device *device, - struct loader_layer_list *list) { - // Delete instance list of enabled layers and close any layer libraries - for (uint32_t i = 0; i < list->count; i++) { - struct loader_layer_properties *layer_prop = &list->list[i]; - - loader_close_layer_lib(instance, layer_prop); - } - loader_destroy_layer_list(instance, device, list); -} - -// Go through the search_list and find any layers which match type. If layer -// type match is found in then add it to ext_list. -static void loader_add_implicit_layers(const struct loader_instance *inst, struct loader_layer_list *target_list, - struct loader_layer_list *expanded_target_list, - const struct loader_layer_list *source_list) { - for (uint32_t src_layer = 0; src_layer < source_list->count; src_layer++) { - const struct loader_layer_properties *prop = &source_list->list[src_layer]; - if (0 == (prop->type_flags & VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER)) { - loader_add_implicit_layer(inst, prop, target_list, expanded_target_list, source_list); - } - } -} - -// Get the layer name(s) from the env_name environment variable. If layer is found in -// search_list then add it to layer_list. But only add it to layer_list if type_flags matches. -static void loader_add_env_layers(const struct loader_instance *inst, const enum layer_type_flags type_flags, const char *env_name, - struct loader_layer_list *target_list, struct loader_layer_list *expanded_target_list, - const struct loader_layer_list *source_list) { - char *next, *name; - char *layer_env = loader_secure_getenv(env_name, inst); - if (layer_env == NULL) { - goto out; - } - name = loader_stack_alloc(strlen(layer_env) + 1); - if (name == NULL) { - goto out; - } - strcpy(name, layer_env); - - while (name && *name) { - next = loader_get_next_path(name); - loader_find_layer_name_add_list(inst, name, type_flags, source_list, target_list, expanded_target_list); - name = next; - } - -out: - - if (layer_env != NULL) { - loader_free_getenv(layer_env, inst); - } - - return; -} - -VkResult loader_enable_instance_layers(struct loader_instance *inst, const VkInstanceCreateInfo *pCreateInfo, - const struct loader_layer_list *instance_layers) { - VkResult err; - - assert(inst && "Cannot have null instance"); - - if (!loader_init_layer_list(inst, &inst->app_activated_layer_list)) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_enable_instance_layers: Failed to initialize" - " application version of the layer list"); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - - if (!loader_init_layer_list(inst, &inst->expanded_activated_layer_list)) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_enable_instance_layers: Failed to initialize" - " expanded version of the layer list"); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - - // Add any implicit layers first - loader_add_implicit_layers(inst, &inst->app_activated_layer_list, &inst->expanded_activated_layer_list, instance_layers); - - // Add any layers specified via environment variable next - loader_add_env_layers(inst, VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER, ENABLED_LAYERS_ENV, &inst->app_activated_layer_list, - &inst->expanded_activated_layer_list, instance_layers); - - // Add layers specified by the application - err = loader_add_layer_names_to_list(inst, &inst->app_activated_layer_list, &inst->expanded_activated_layer_list, - pCreateInfo->enabledLayerCount, pCreateInfo->ppEnabledLayerNames, instance_layers); - - return err; -} - -// Determine the layer interface version to use. -bool loader_get_layer_interface_version(PFN_vkNegotiateLoaderLayerInterfaceVersion fp_negotiate_layer_version, - VkNegotiateLayerInterface *interface_struct) { - memset(interface_struct, 0, sizeof(VkNegotiateLayerInterface)); - interface_struct->sType = LAYER_NEGOTIATE_INTERFACE_STRUCT; - interface_struct->loaderLayerInterfaceVersion = 1; - - if (fp_negotiate_layer_version != NULL) { - // Layer supports the negotiation API, so call it with the loader's - // latest version supported - interface_struct->loaderLayerInterfaceVersion = CURRENT_LOADER_LAYER_INTERFACE_VERSION; - VkResult result = fp_negotiate_layer_version(interface_struct); - - if (result != VK_SUCCESS) { - // Layer no longer supports the loader's latest interface version so - // fail loading the Layer - return false; - } - } - - if (interface_struct->loaderLayerInterfaceVersion < MIN_SUPPORTED_LOADER_LAYER_INTERFACE_VERSION) { - // Loader no longer supports the layer's latest interface version so - // fail loading the layer - return false; - } - - return true; -} - -// Given the list of layers to activate in the loader_instance -// structure. This function will add a VkLayerInstanceCreateInfo -// structure to the VkInstanceCreateInfo.pNext pointer. -// Each activated layer will have it's own VkLayerInstanceLink -// structure that tells the layer what Get*ProcAddr to call to -// get function pointers to the next layer down. -// Once the chain info has been created this function will -// execute the CreateInstance call chain. Each layer will -// then have an opportunity in it's CreateInstance function -// to setup it's dispatch table when the lower layer returns -// successfully. -// Each layer can wrap or not-wrap the returned VkInstance object -// as it sees fit. -// The instance chain is terminated by a loader function -// that will call CreateInstance on all available ICD's and -// cache those VkInstance objects for future use. -VkResult loader_create_instance_chain(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, - struct loader_instance *inst, VkInstance *created_instance) { - uint32_t activated_layers = 0; - VkLayerInstanceCreateInfo chain_info; - VkLayerInstanceLink *layer_instance_link_info = NULL; - VkInstanceCreateInfo loader_create_info; - VkResult res; - - PFN_vkGetInstanceProcAddr next_gipa = loader_gpa_instance_internal; - PFN_vkGetInstanceProcAddr cur_gipa = loader_gpa_instance_internal; - PFN_GetPhysicalDeviceProcAddr next_gpdpa = loader_gpdpa_instance_internal; - PFN_GetPhysicalDeviceProcAddr cur_gpdpa = loader_gpdpa_instance_internal; - - memcpy(&loader_create_info, pCreateInfo, sizeof(VkInstanceCreateInfo)); - - if (inst->expanded_activated_layer_list.count > 0) { - chain_info.u.pLayerInfo = NULL; - chain_info.pNext = pCreateInfo->pNext; - chain_info.sType = VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO; - chain_info.function = VK_LAYER_LINK_INFO; - loader_create_info.pNext = &chain_info; - - layer_instance_link_info = loader_stack_alloc(sizeof(VkLayerInstanceLink) * inst->expanded_activated_layer_list.count); - if (!layer_instance_link_info) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_create_instance_chain: Failed to alloc Instance" - " objects for layer"); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - - // Create instance chain of enabled layers - for (int32_t i = inst->expanded_activated_layer_list.count - 1; i >= 0; i--) { - struct loader_layer_properties *layer_prop = &inst->expanded_activated_layer_list.list[i]; - loader_platform_dl_handle lib_handle; - - lib_handle = loader_open_layer_lib(inst, "instance", layer_prop); - if (!lib_handle) { - continue; - } - - if (NULL == layer_prop->functions.negotiate_layer_interface) { - PFN_vkNegotiateLoaderLayerInterfaceVersion negotiate_interface = NULL; - bool functions_in_interface = false; - if (strlen(layer_prop->functions.str_negotiate_interface) == 0) { - negotiate_interface = (PFN_vkNegotiateLoaderLayerInterfaceVersion)loader_platform_get_proc_address( - lib_handle, "vkNegotiateLoaderLayerInterfaceVersion"); - } else { - negotiate_interface = (PFN_vkNegotiateLoaderLayerInterfaceVersion)loader_platform_get_proc_address( - lib_handle, layer_prop->functions.str_negotiate_interface); - } - - // If we can negotiate an interface version, then we can also - // get everything we need from the one function call, so try - // that first, and see if we can get all the function pointers - // necessary from that one call. - if (NULL != negotiate_interface) { - layer_prop->functions.negotiate_layer_interface = negotiate_interface; - - VkNegotiateLayerInterface interface_struct; - - if (loader_get_layer_interface_version(negotiate_interface, &interface_struct)) { - // Go ahead and set the properties version to the - // correct value. - layer_prop->interface_version = interface_struct.loaderLayerInterfaceVersion; - - // If the interface is 2 or newer, we have access to the - // new GetPhysicalDeviceProcAddr function, so grab it, - // and the other necessary functions, from the - // structure. - if (interface_struct.loaderLayerInterfaceVersion > 1) { - cur_gipa = interface_struct.pfnGetInstanceProcAddr; - cur_gpdpa = interface_struct.pfnGetPhysicalDeviceProcAddr; - if (cur_gipa != NULL) { - // We've set the functions, so make sure we - // don't do the unnecessary calls later. - functions_in_interface = true; - } - } - } - } - - if (!functions_in_interface) { - if ((cur_gipa = layer_prop->functions.get_instance_proc_addr) == NULL) { - if (strlen(layer_prop->functions.str_gipa) == 0) { - cur_gipa = - (PFN_vkGetInstanceProcAddr)loader_platform_get_proc_address(lib_handle, "vkGetInstanceProcAddr"); - layer_prop->functions.get_instance_proc_addr = cur_gipa; - } else { - cur_gipa = (PFN_vkGetInstanceProcAddr)loader_platform_get_proc_address(lib_handle, - layer_prop->functions.str_gipa); - } - - if (NULL == cur_gipa) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_create_instance_chain: Failed to" - " find \'vkGetInstanceProcAddr\' in " - "layer %s", - layer_prop->lib_name); - continue; - } - } - } - } - - layer_instance_link_info[activated_layers].pNext = chain_info.u.pLayerInfo; - layer_instance_link_info[activated_layers].pfnNextGetInstanceProcAddr = next_gipa; - layer_instance_link_info[activated_layers].pfnNextGetPhysicalDeviceProcAddr = next_gpdpa; - next_gipa = cur_gipa; - if (layer_prop->interface_version > 1 && cur_gpdpa != NULL) { - layer_prop->functions.get_physical_device_proc_addr = cur_gpdpa; - next_gpdpa = cur_gpdpa; - } - - chain_info.u.pLayerInfo = &layer_instance_link_info[activated_layers]; - - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Insert instance layer %s (%s)", layer_prop->info.layerName, - layer_prop->lib_name); - - activated_layers++; - } - } - - PFN_vkCreateInstance fpCreateInstance = (PFN_vkCreateInstance)next_gipa(*created_instance, "vkCreateInstance"); - if (fpCreateInstance) { - VkLayerInstanceCreateInfo create_info_disp; - - create_info_disp.sType = VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO; - create_info_disp.function = VK_LOADER_DATA_CALLBACK; - - create_info_disp.u.pfnSetInstanceLoaderData = vkSetInstanceDispatch; - - create_info_disp.pNext = loader_create_info.pNext; - loader_create_info.pNext = &create_info_disp; - res = fpCreateInstance(&loader_create_info, pAllocator, created_instance); - } else { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_create_instance_chain: Failed to find " - "\'vkCreateInstance\'"); - // Couldn't find CreateInstance function! - res = VK_ERROR_INITIALIZATION_FAILED; - } - - if (res == VK_SUCCESS) { - loader_init_instance_core_dispatch_table(&inst->disp->layer_inst_disp, next_gipa, *created_instance); - inst->instance = *created_instance; - } - - return res; -} - -void loader_activate_instance_layer_extensions(struct loader_instance *inst, VkInstance created_inst) { - loader_init_instance_extension_dispatch_table(&inst->disp->layer_inst_disp, inst->disp->layer_inst_disp.GetInstanceProcAddr, - created_inst); -} - -VkResult loader_create_device_chain(const struct loader_physical_device_tramp *pd, const VkDeviceCreateInfo *pCreateInfo, - const VkAllocationCallbacks *pAllocator, const struct loader_instance *inst, - struct loader_device *dev) { - uint32_t activated_layers = 0; - VkLayerDeviceLink *layer_device_link_info; - VkLayerDeviceCreateInfo chain_info; - VkDeviceCreateInfo loader_create_info; - VkResult res; - - PFN_vkGetDeviceProcAddr fpGDPA = NULL, nextGDPA = loader_gpa_device_internal; - PFN_vkGetInstanceProcAddr fpGIPA = NULL, nextGIPA = loader_gpa_instance_internal; - - memcpy(&loader_create_info, pCreateInfo, sizeof(VkDeviceCreateInfo)); - - // Before we continue, we need to find out if the KHX_device_group extension is in the enabled list. If it is, we then - // need to look for the corresponding VkDeviceGroupDeviceCreateInfoKHX struct in the device list. This is because we - // need to replace all the incoming physical device values (which are really loader trampoline physical device values) - // with the layer/ICD version. - if (inst->enabled_known_extensions.khx_device_group_creation == 1) { - struct VkStructureHeader *pNext = (struct VkStructureHeader *)loader_create_info.pNext; - struct VkStructureHeader *pPrev = (struct VkStructureHeader *)&loader_create_info; - while (NULL != pNext) { - if (VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO_KHX == pNext->sType) { - VkDeviceGroupDeviceCreateInfoKHX *cur_struct = (VkDeviceGroupDeviceCreateInfoKHX *)pNext; - if (0 < cur_struct->physicalDeviceCount && NULL != cur_struct->pPhysicalDevices) { - VkDeviceGroupDeviceCreateInfoKHX *temp_struct = loader_stack_alloc(sizeof(VkDeviceGroupDeviceCreateInfoKHX)); - VkPhysicalDevice *phys_dev_array = NULL; - if (NULL == temp_struct) { - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - memcpy(temp_struct, cur_struct, sizeof(VkDeviceGroupDeviceCreateInfoKHX)); - phys_dev_array = loader_stack_alloc(sizeof(VkPhysicalDevice) * cur_struct->physicalDeviceCount); - if (NULL == phys_dev_array) { - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - - // Before calling down, replace the incoming physical device values (which are really loader trampoline - // physical devices) with the next layer (or possibly even the terminator) physical device values. - struct loader_physical_device_tramp *cur_tramp; - for (uint32_t phys_dev = 0; phys_dev < cur_struct->physicalDeviceCount; phys_dev++) { - cur_tramp = (struct loader_physical_device_tramp *)cur_struct->pPhysicalDevices[phys_dev]; - phys_dev_array[phys_dev] = cur_tramp->phys_dev; - } - temp_struct->pPhysicalDevices = phys_dev_array; - - // Replace the old struct in the pNext chain with this one. - pPrev->pNext = (const void *)temp_struct; - pNext = (struct VkStructureHeader *)(temp_struct); - } - break; - } - - pPrev = pNext; - pNext = (struct VkStructureHeader *)(pPrev->pNext); - } - } - - layer_device_link_info = loader_stack_alloc(sizeof(VkLayerDeviceLink) * dev->expanded_activated_layer_list.count); - if (!layer_device_link_info) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_create_device_chain: Failed to alloc Device objects" - " for layer. Skipping Layer."); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - - if (dev->expanded_activated_layer_list.count > 0) { - chain_info.sType = VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO; - chain_info.function = VK_LAYER_LINK_INFO; - chain_info.u.pLayerInfo = NULL; - chain_info.pNext = loader_create_info.pNext; - loader_create_info.pNext = &chain_info; - - // Create instance chain of enabled layers - for (int32_t i = dev->expanded_activated_layer_list.count - 1; i >= 0; i--) { - struct loader_layer_properties *layer_prop = &dev->expanded_activated_layer_list.list[i]; - loader_platform_dl_handle lib_handle; - bool functions_in_interface = false; - - lib_handle = loader_open_layer_lib(inst, "device", layer_prop); - if (!lib_handle) { - continue; - } - - // If we can negotiate an interface version, then we can also get everything we need from the one function - // call, so try that first, and see if we can get all the function pointers necessary from that one call. - if (NULL == layer_prop->functions.negotiate_layer_interface) { - PFN_vkNegotiateLoaderLayerInterfaceVersion negotiate_interface = NULL; - if (strlen(layer_prop->functions.str_negotiate_interface) == 0) { - negotiate_interface = (PFN_vkNegotiateLoaderLayerInterfaceVersion)loader_platform_get_proc_address( - lib_handle, "vkNegotiateLoaderLayerInterfaceVersion"); - } else { - negotiate_interface = (PFN_vkNegotiateLoaderLayerInterfaceVersion)loader_platform_get_proc_address( - lib_handle, layer_prop->functions.str_negotiate_interface); - } - - if (NULL != negotiate_interface) { - layer_prop->functions.negotiate_layer_interface = negotiate_interface; - - VkNegotiateLayerInterface interface_struct; - - if (loader_get_layer_interface_version(negotiate_interface, &interface_struct)) { - // Go ahead and set the properties version to the correct value. - layer_prop->interface_version = interface_struct.loaderLayerInterfaceVersion; - - // If the interface is 2 or newer, we have access to the new GetPhysicalDeviceProcAddr - // function, so grab it, and the other necessary functions, from the structure. - if (interface_struct.loaderLayerInterfaceVersion > 1) { - fpGIPA = interface_struct.pfnGetInstanceProcAddr; - fpGDPA = interface_struct.pfnGetDeviceProcAddr; - if (fpGIPA != NULL && fpGDPA) { - // We've set the functions, so make sure we - // don't do the unnecessary calls later. - functions_in_interface = true; - } - } - } - } - } - - if (!functions_in_interface) { - if ((fpGIPA = layer_prop->functions.get_instance_proc_addr) == NULL) { - if (strlen(layer_prop->functions.str_gipa) == 0) { - fpGIPA = (PFN_vkGetInstanceProcAddr)loader_platform_get_proc_address(lib_handle, "vkGetInstanceProcAddr"); - layer_prop->functions.get_instance_proc_addr = fpGIPA; - } else - fpGIPA = - (PFN_vkGetInstanceProcAddr)loader_platform_get_proc_address(lib_handle, layer_prop->functions.str_gipa); - if (!fpGIPA) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_create_device_chain: Failed to find " - "\'vkGetInstanceProcAddr\' in layer %s. Skipping" - " layer.", - layer_prop->lib_name); - continue; - } - } - if ((fpGDPA = layer_prop->functions.get_device_proc_addr) == NULL) { - if (strlen(layer_prop->functions.str_gdpa) == 0) { - fpGDPA = (PFN_vkGetDeviceProcAddr)loader_platform_get_proc_address(lib_handle, "vkGetDeviceProcAddr"); - layer_prop->functions.get_device_proc_addr = fpGDPA; - } else - fpGDPA = - (PFN_vkGetDeviceProcAddr)loader_platform_get_proc_address(lib_handle, layer_prop->functions.str_gdpa); - if (!fpGDPA) { - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Failed to find vkGetDeviceProcAddr in layer %s", - layer_prop->lib_name); - continue; - } - } - } - layer_device_link_info[activated_layers].pNext = chain_info.u.pLayerInfo; - layer_device_link_info[activated_layers].pfnNextGetInstanceProcAddr = nextGIPA; - layer_device_link_info[activated_layers].pfnNextGetDeviceProcAddr = nextGDPA; - chain_info.u.pLayerInfo = &layer_device_link_info[activated_layers]; - nextGIPA = fpGIPA; - nextGDPA = fpGDPA; - - loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Inserted device layer %s (%s)", layer_prop->info.layerName, - layer_prop->lib_name); - - activated_layers++; - } - } - - VkDevice created_device = (VkDevice)dev; - PFN_vkCreateDevice fpCreateDevice = (PFN_vkCreateDevice)nextGIPA(inst->instance, "vkCreateDevice"); - if (fpCreateDevice) { - VkLayerDeviceCreateInfo create_info_disp; - - create_info_disp.sType = VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO; - create_info_disp.function = VK_LOADER_DATA_CALLBACK; - - create_info_disp.u.pfnSetDeviceLoaderData = vkSetDeviceDispatch; - - create_info_disp.pNext = loader_create_info.pNext; - loader_create_info.pNext = &create_info_disp; - res = fpCreateDevice(pd->phys_dev, &loader_create_info, pAllocator, &created_device); - if (res != VK_SUCCESS) { - return res; - } - dev->chain_device = created_device; - } else { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_create_device_chain: Failed to find \'vkCreateDevice\' " - "in layer %s"); - // Couldn't find CreateDevice function! - return VK_ERROR_INITIALIZATION_FAILED; - } - - // Initialize device dispatch table - loader_init_device_dispatch_table(&dev->loader_dispatch, nextGDPA, dev->chain_device); - - return res; -} - -VkResult loader_validate_layers(const struct loader_instance *inst, const uint32_t layer_count, - const char *const *ppEnabledLayerNames, const struct loader_layer_list *list) { - struct loader_layer_properties *prop; - - for (uint32_t i = 0; i < layer_count; i++) { - VkStringErrorFlags result = vk_string_validate(MaxLoaderStringLength, ppEnabledLayerNames[i]); - if (result != VK_STRING_ERROR_NONE) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_validate_layers: Device ppEnabledLayerNames " - "contains string that is too long or is badly formed"); - return VK_ERROR_LAYER_NOT_PRESENT; - } - - prop = loader_get_layer_property(ppEnabledLayerNames[i], list); - if (NULL == prop) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_validate_layers: Layer %d does not exist in the list of available layers", i); - return VK_ERROR_LAYER_NOT_PRESENT; - } - } - return VK_SUCCESS; -} - -VkResult loader_validate_instance_extensions(const struct loader_instance *inst, const struct loader_extension_list *icd_exts, - const struct loader_layer_list *instance_layers, - const VkInstanceCreateInfo *pCreateInfo) { - VkExtensionProperties *extension_prop; - char *env_value; - bool check_if_known = true; - VkResult res = VK_SUCCESS; - - struct loader_layer_list active_layers; - struct loader_layer_list expanded_layers; - memset(&active_layers, 0, sizeof(active_layers)); - memset(&expanded_layers, 0, sizeof(expanded_layers)); - if (!loader_init_layer_list(inst, &active_layers)) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - if (!loader_init_layer_list(inst, &expanded_layers)) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - // Build the lists of active layers (including metalayers) and expanded layers (with metalayers resolved to their components) - loader_add_implicit_layers(inst, &active_layers, &expanded_layers, instance_layers); - loader_add_env_layers(inst, VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER, ENABLED_LAYERS_ENV, &active_layers, &expanded_layers, - instance_layers); - res = loader_add_layer_names_to_list(inst, &active_layers, &expanded_layers, pCreateInfo->enabledLayerCount, - pCreateInfo->ppEnabledLayerNames, instance_layers); - if (VK_SUCCESS != res) { - goto out; - } - - for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) { - VkStringErrorFlags result = vk_string_validate(MaxLoaderStringLength, pCreateInfo->ppEnabledExtensionNames[i]); - if (result != VK_STRING_ERROR_NONE) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_validate_instance_extensions: Instance ppEnabledExtensionNames contains " - "string that is too long or is badly formed"); - res = VK_ERROR_EXTENSION_NOT_PRESENT; - goto out; - } - - // Check if a user wants to disable the instance extension filtering behavior - env_value = loader_getenv("VK_LOADER_DISABLE_INST_EXT_FILTER", inst); - if (NULL != env_value && atoi(env_value) != 0) { - check_if_known = false; - } - loader_free_getenv(env_value, inst); - - if (check_if_known) { - // See if the extension is in the list of supported extensions - bool found = false; - for (uint32_t j = 0; LOADER_INSTANCE_EXTENSIONS[j] != NULL; j++) { - if (strcmp(pCreateInfo->ppEnabledExtensionNames[i], LOADER_INSTANCE_EXTENSIONS[j]) == 0) { - found = true; - break; - } - } - - // If it isn't in the list, return an error - if (!found) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_validate_instance_extensions: Extension %s not found in list of known instance extensions.", - pCreateInfo->ppEnabledExtensionNames[i]); - res = VK_ERROR_EXTENSION_NOT_PRESENT; - goto out; - } - } - - extension_prop = get_extension_property(pCreateInfo->ppEnabledExtensionNames[i], icd_exts); - - if (extension_prop) { - continue; - } - - extension_prop = NULL; - - // Not in global list, search expanded layer extension list - for (uint32_t j = 0; NULL == extension_prop && j < expanded_layers.count; ++j) { - extension_prop = - get_extension_property(pCreateInfo->ppEnabledExtensionNames[i], &expanded_layers.list[j].instance_extension_list); - } - - if (!extension_prop) { - // Didn't find extension name in any of the global layers, error out - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_validate_instance_extensions: Instance extension %s not supported by available ICDs or enabled " - "layers.", - pCreateInfo->ppEnabledExtensionNames[i]); - res = VK_ERROR_EXTENSION_NOT_PRESENT; - goto out; - } - } - -out: - loader_destroy_layer_list(inst, NULL, &active_layers); - loader_destroy_layer_list(inst, NULL, &expanded_layers); - return res; -} - -VkResult loader_validate_device_extensions(struct loader_physical_device_tramp *phys_dev, - const struct loader_layer_list *activated_device_layers, - const struct loader_extension_list *icd_exts, const VkDeviceCreateInfo *pCreateInfo) { - VkExtensionProperties *extension_prop; - struct loader_layer_properties *layer_prop; - - for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) { - VkStringErrorFlags result = vk_string_validate(MaxLoaderStringLength, pCreateInfo->ppEnabledExtensionNames[i]); - if (result != VK_STRING_ERROR_NONE) { - loader_log(phys_dev->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_validate_device_extensions: Device ppEnabledExtensionNames contains " - "string that is too long or is badly formed"); - return VK_ERROR_EXTENSION_NOT_PRESENT; - } - - const char *extension_name = pCreateInfo->ppEnabledExtensionNames[i]; - extension_prop = get_extension_property(extension_name, icd_exts); - - if (extension_prop) { - continue; - } - - // Not in global list, search activated layer extension lists - for (uint32_t j = 0; j < activated_device_layers->count; j++) { - layer_prop = &activated_device_layers->list[j]; - - extension_prop = get_dev_extension_property(extension_name, &layer_prop->device_extension_list); - if (extension_prop) { - // Found the extension in one of the layers enabled by the app. - break; - } - } - - if (!extension_prop) { - // Didn't find extension name in any of the device layers, error out - loader_log(phys_dev->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "loader_validate_device_extensions: Device extension %s not supported by selected physical device " - "or enabled layers.", - pCreateInfo->ppEnabledExtensionNames[i]); - return VK_ERROR_EXTENSION_NOT_PRESENT; - } - } - return VK_SUCCESS; -} - -// Terminator functions for the Instance chain -// All named terminator_<Vulakn API name> -VKAPI_ATTR VkResult VKAPI_CALL terminator_CreateInstance(const VkInstanceCreateInfo *pCreateInfo, - const VkAllocationCallbacks *pAllocator, VkInstance *pInstance) { - struct loader_icd_term *icd_term; - VkExtensionProperties *prop; - char **filtered_extension_names = NULL; - VkInstanceCreateInfo icd_create_info; - VkResult res = VK_SUCCESS; - bool one_icd_successful = false; - - struct loader_instance *ptr_instance = (struct loader_instance *)*pInstance; - memcpy(&icd_create_info, pCreateInfo, sizeof(icd_create_info)); - - icd_create_info.enabledLayerCount = 0; - icd_create_info.ppEnabledLayerNames = NULL; - - // NOTE: Need to filter the extensions to only those supported by the ICD. - // No ICD will advertise support for layers. An ICD library could - // support a layer, but it would be independent of the actual ICD, - // just in the same library. - filtered_extension_names = loader_stack_alloc(pCreateInfo->enabledExtensionCount * sizeof(char *)); - if (!filtered_extension_names) { - loader_log(ptr_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "terminator_CreateInstance: Failed create extension name array for %d extensions", - pCreateInfo->enabledExtensionCount); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - icd_create_info.ppEnabledExtensionNames = (const char *const *)filtered_extension_names; - - for (uint32_t i = 0; i < ptr_instance->icd_tramp_list.count; i++) { - icd_term = loader_icd_add(ptr_instance, &ptr_instance->icd_tramp_list.scanned_list[i]); - if (NULL == icd_term) { - loader_log(ptr_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "terminator_CreateInstance: Failed to add ICD %d to ICD trampoline list.", i); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - // If any error happens after here, we need to remove the ICD from the list, - // because we've already added it, but haven't validated it - - icd_create_info.enabledExtensionCount = 0; - struct loader_extension_list icd_exts; - - loader_log(ptr_instance, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Build ICD instance extension list"); - // traverse scanned icd list adding non-duplicate extensions to the list - res = loader_init_generic_list(ptr_instance, (struct loader_generic_list *)&icd_exts, sizeof(VkExtensionProperties)); - if (VK_ERROR_OUT_OF_HOST_MEMORY == res) { - // If out of memory, bail immediately. - goto out; - } else if (VK_SUCCESS != res) { - // Something bad happened with this ICD, so free it and try the - // next. - ptr_instance->icd_terms = icd_term->next; - icd_term->next = NULL; - loader_icd_destroy(ptr_instance, icd_term, pAllocator); - continue; - } - - res = loader_add_instance_extensions(ptr_instance, icd_term->scanned_icd->EnumerateInstanceExtensionProperties, - icd_term->scanned_icd->lib_name, &icd_exts); - if (VK_SUCCESS != res) { - loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&icd_exts); - if (VK_ERROR_OUT_OF_HOST_MEMORY == res) { - // If out of memory, bail immediately. - goto out; - } else { - // Something bad happened with this ICD, so free it and try the next. - ptr_instance->icd_terms = icd_term->next; - icd_term->next = NULL; - loader_icd_destroy(ptr_instance, icd_term, pAllocator); - continue; - } - } - - for (uint32_t j = 0; j < pCreateInfo->enabledExtensionCount; j++) { - prop = get_extension_property(pCreateInfo->ppEnabledExtensionNames[j], &icd_exts); - if (prop) { - filtered_extension_names[icd_create_info.enabledExtensionCount] = (char *)pCreateInfo->ppEnabledExtensionNames[j]; - icd_create_info.enabledExtensionCount++; - } - } - - loader_destroy_generic_list(ptr_instance, (struct loader_generic_list *)&icd_exts); - - VkResult icd_result = - ptr_instance->icd_tramp_list.scanned_list[i].CreateInstance(&icd_create_info, pAllocator, &(icd_term->instance)); - if (VK_ERROR_OUT_OF_HOST_MEMORY == icd_result) { - // If out of memory, bail immediately. - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } else if (VK_SUCCESS != icd_result) { - loader_log(ptr_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "terminator_CreateInstance: Failed to CreateInstance in " - "ICD %d. Skipping ICD.", - i); - ptr_instance->icd_terms = icd_term->next; - icd_term->next = NULL; - loader_icd_destroy(ptr_instance, icd_term, pAllocator); - continue; - } - - if (!loader_icd_init_entries(icd_term, icd_term->instance, - ptr_instance->icd_tramp_list.scanned_list[i].GetInstanceProcAddr)) { - loader_log(ptr_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, - "terminator_CreateInstance: Failed to CreateInstance and find " - "entrypoints with ICD. Skipping ICD."); - ptr_instance->icd_terms = icd_term->next; - icd_term->next = NULL; - loader_icd_destroy(ptr_instance, icd_term, pAllocator); - continue; - } - - // If we made it this far, at least one ICD was successful - one_icd_successful = true; - } - - // If no ICDs were added to instance list and res is unchanged from it's initial value, the loader was unable to - // find a suitable ICD. - if (VK_SUCCESS == res && (ptr_instance->icd_terms == NULL || !one_icd_successful)) { - res = VK_ERROR_INCOMPATIBLE_DRIVER; - } - -out: - - if (VK_SUCCESS != res) { - while (NULL != ptr_instance->icd_terms) { - icd_term = ptr_instance->icd_terms; - ptr_instance->icd_terms = icd_term->next; - if (NULL != icd_term->instance) { - icd_term->dispatch.DestroyInstance(icd_term->instance, pAllocator); - } - loader_icd_destroy(ptr_instance, icd_term, pAllocator); - } - } - - return res; -} - -VKAPI_ATTR void VKAPI_CALL terminator_DestroyInstance(VkInstance instance, const VkAllocationCallbacks *pAllocator) { - struct loader_instance *ptr_instance = loader_instance(instance); - if (NULL == ptr_instance) { - return; - } - struct loader_icd_term *icd_terms = ptr_instance->icd_terms; - struct loader_icd_term *next_icd_term; - - // Remove this instance from the list of instances: - struct loader_instance *prev = NULL; - struct loader_instance *next = loader.instances; - while (next != NULL) { - if (next == ptr_instance) { - // Remove this instance from the list: - if (prev) - prev->next = next->next; - else - loader.instances = next->next; - break; - } - prev = next; - next = next->next; - } - - while (NULL != icd_terms) { - if (icd_terms->instance) { - icd_terms->dispatch.DestroyInstance(icd_terms->instance, pAllocator); - } - next_icd_term = icd_terms->next; - icd_terms->instance = VK_NULL_HANDLE; - loader_icd_destroy(ptr_instance, icd_terms, pAllocator); - - icd_terms = next_icd_term; - } - - loader_delete_layer_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); - if (NULL != ptr_instance->phys_devs_term) { - for (uint32_t i = 0; i < ptr_instance->phys_dev_count_term; i++) { - loader_instance_heap_free(ptr_instance, ptr_instance->phys_devs_term[i]); - } - loader_instance_heap_free(ptr_instance, ptr_instance->phys_devs_term); - } - if (NULL != ptr_instance->phys_dev_groups_term) { - for (uint32_t i = 0; i < ptr_instance->phys_dev_group_count_term; i++) { - loader_instance_heap_free(ptr_instance, ptr_instance->phys_dev_groups_term[i]); - } - loader_instance_heap_free(ptr_instance, ptr_instance->phys_dev_groups_term); - } - loader_free_dev_ext_table(ptr_instance); - loader_free_phys_dev_ext_table(ptr_instance); -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_CreateDevice(VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo, - const VkAllocationCallbacks *pAllocator, VkDevice *pDevice) { - VkResult res = VK_SUCCESS; - struct loader_physical_device_term *phys_dev_term; - phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - - struct loader_device *dev = (struct loader_device *)*pDevice; - PFN_vkCreateDevice fpCreateDevice = icd_term->dispatch.CreateDevice; - struct loader_extension_list icd_exts; - - struct VkStructureHeader *caller_dgci_container = NULL; - VkDeviceGroupDeviceCreateInfoKHX *caller_dgci = NULL; - - dev->phys_dev_term = phys_dev_term; - - icd_exts.list = NULL; - - if (fpCreateDevice == NULL) { - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "terminator_CreateDevice: No vkCreateDevice command exposed " - "by ICD %s", - icd_term->scanned_icd->lib_name); - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - VkDeviceCreateInfo localCreateInfo; - memcpy(&localCreateInfo, pCreateInfo, sizeof(localCreateInfo)); - - // NOTE: Need to filter the extensions to only those supported by the ICD. - // No ICD will advertise support for layers. An ICD library could support a layer, - // but it would be independent of the actual ICD, just in the same library. - char **filtered_extension_names = NULL; - if (0 < pCreateInfo->enabledExtensionCount) { - filtered_extension_names = loader_stack_alloc(pCreateInfo->enabledExtensionCount * sizeof(char *)); - if (NULL == filtered_extension_names) { - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "terminator_CreateDevice: Failed to create extension name " - "storage for %d extensions %d", - pCreateInfo->enabledExtensionCount); - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - } - - localCreateInfo.enabledLayerCount = 0; - localCreateInfo.ppEnabledLayerNames = NULL; - - localCreateInfo.enabledExtensionCount = 0; - localCreateInfo.ppEnabledExtensionNames = (const char *const *)filtered_extension_names; - - // Get the physical device (ICD) extensions - res = loader_init_generic_list(icd_term->this_instance, (struct loader_generic_list *)&icd_exts, sizeof(VkExtensionProperties)); - if (VK_SUCCESS != res) { - goto out; - } - - res = loader_add_device_extensions(icd_term->this_instance, icd_term->dispatch.EnumerateDeviceExtensionProperties, - phys_dev_term->phys_dev, icd_term->scanned_icd->lib_name, &icd_exts); - if (res != VK_SUCCESS) { - goto out; - } - - for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) { - const char *extension_name = pCreateInfo->ppEnabledExtensionNames[i]; - VkExtensionProperties *prop = get_extension_property(extension_name, &icd_exts); - if (prop) { - filtered_extension_names[localCreateInfo.enabledExtensionCount] = (char *)extension_name; - localCreateInfo.enabledExtensionCount++; - } else { - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, - "vkCreateDevice extension %s not available for " - "devices associated with ICD %s", - extension_name, icd_term->scanned_icd->lib_name); - } - } - - // Before we continue, If KHX_device_group is the list of enabled and viable extensions, then we then need to look for the - // corresponding VkDeviceGroupDeviceCreateInfoKHX struct in the device list and replace all the physical device values (which - // are really loader physical device terminator values) with the ICD versions. - if (icd_term->this_instance->enabled_known_extensions.khx_device_group_creation == 1) { - struct VkStructureHeader *pNext = (struct VkStructureHeader *)localCreateInfo.pNext; - struct VkStructureHeader *pPrev = (struct VkStructureHeader *)&localCreateInfo; - while (NULL != pNext) { - if (VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO_KHX == pNext->sType) { - VkDeviceGroupDeviceCreateInfoKHX *cur_struct = (VkDeviceGroupDeviceCreateInfoKHX *)pNext; - if (0 < cur_struct->physicalDeviceCount && NULL != cur_struct->pPhysicalDevices) { - VkDeviceGroupDeviceCreateInfoKHX *temp_struct = loader_stack_alloc(sizeof(VkDeviceGroupDeviceCreateInfoKHX)); - VkPhysicalDevice *phys_dev_array = NULL; - if (NULL == temp_struct) { - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - memcpy(temp_struct, cur_struct, sizeof(VkDeviceGroupDeviceCreateInfoKHX)); - phys_dev_array = loader_stack_alloc(sizeof(VkPhysicalDevice) * cur_struct->physicalDeviceCount); - if (NULL == phys_dev_array) { - return VK_ERROR_OUT_OF_HOST_MEMORY; - } - - // Before calling down, replace the incoming physical device values (which are really loader terminator - // physical devices) with the ICDs physical device values. - struct loader_physical_device_term *cur_term; - for (uint32_t phys_dev = 0; phys_dev < cur_struct->physicalDeviceCount; phys_dev++) { - cur_term = (struct loader_physical_device_term *)cur_struct->pPhysicalDevices[phys_dev]; - phys_dev_array[phys_dev] = cur_term->phys_dev; - } - temp_struct->pPhysicalDevices = phys_dev_array; - - // Keep track of pointers to restore pNext chain before returning - caller_dgci_container = pPrev; - caller_dgci = cur_struct; - - // Replace the old struct in the pNext chain with this one. - pPrev->pNext = (const void *)temp_struct; - pNext = (struct VkStructureHeader *)(temp_struct); - } - break; - } - - pPrev = pNext; - pNext = (struct VkStructureHeader *)(pPrev->pNext); - } - } - - // Handle loader emulation for structs that are not supported by the ICD: - // Presently, the emulation leaves the pNext chain alone. This means that the ICD will receive items in the chain which - // are not recognized by the ICD. If this causes the ICD to fail, then the items would have to be removed here. The current - // implementation does not remove them because copying the pNext chain would be impossible if the loader does not recognize - // the any of the struct types, as the loader would not know the size to allocate and copy. - if (icd_term->dispatch.GetPhysicalDeviceFeatures2KHR == NULL) { - const void *pNext = localCreateInfo.pNext; - while (pNext != NULL) { - switch (*(VkStructureType *)pNext) { - case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR: { - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "vkCreateDevice: Emulating handling of VkPhysicalDeviceFeatures2KHR in pNext chain for ICD \"%s\"", - icd_term->scanned_icd->lib_name); - const VkPhysicalDeviceFeatures2KHR *features = pNext; - - // Verify that VK_KHR_get_physical_device_properties2 is enabled - if (icd_term->this_instance->enabled_known_extensions.khr_get_physical_device_properties2) { - localCreateInfo.pEnabledFeatures = &features->features; - } - - // Leave this item in the pNext chain for now - - pNext = features->pNext; - break; - } - - case VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO_KHX: { - loader_log( - icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, - "vkCreateDevice: Emulating handling of VkDeviceGroupDeviceCreateInfoKHX in pNext chain for ICD \"%s\"", - icd_term->scanned_icd->lib_name); - const VkDeviceGroupDeviceCreateInfoKHX *group_info = pNext; - - // The group must contain only this one device, since physical device groups aren't actually supported - if (group_info->physicalDeviceCount != 1 || group_info->pPhysicalDevices[0] != physicalDevice) { - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "vkCreateDevice: Emulation failed to create device from device group info"); - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - // Nothing needs to be done here because we're leaving the item in the pNext chain and because the spec states - // that the physicalDevice argument must be included in the device group, and we've already checked that it is - - pNext = group_info->pNext; - break; - } - - // Multiview properties are also allowed, but since VK_KHX_multiview is a device extension, we'll just let the ICD - // handle that error when the user enables the extension here - default: { - const struct VkStructureHeader *header = pNext; - pNext = header->pNext; - break; - } - } - } - } - - res = fpCreateDevice(phys_dev_term->phys_dev, &localCreateInfo, pAllocator, &dev->icd_device); - if (res != VK_SUCCESS) { - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "terminator_CreateDevice: Failed in ICD %s vkCreateDevice" - "call", - icd_term->scanned_icd->lib_name); - goto out; - } - - *pDevice = dev->icd_device; - loader_add_logical_device(icd_term->this_instance, icd_term, dev); - - // Init dispatch pointer in new device object - loader_init_dispatch(*pDevice, &dev->loader_dispatch); - -out: - if (NULL != icd_exts.list) { - loader_destroy_generic_list(icd_term->this_instance, (struct loader_generic_list *)&icd_exts); - } - - // Restore pNext pointer to old VkDeviceGroupDeviceCreateInfoKHX - // in the chain to maintain consistency for the caller. - if (caller_dgci_container != NULL) { - caller_dgci_container->pNext = caller_dgci; - } - - return res; -} - -VkResult setupLoaderTrampPhysDevs(VkInstance instance) { - VkResult res = VK_SUCCESS; - VkPhysicalDevice *local_phys_devs = NULL; - struct loader_instance *inst; - uint32_t total_count = 0; - struct loader_physical_device_tramp **new_phys_devs = NULL; - - inst = loader_get_instance(instance); - if (NULL == inst) { - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - // Query how many GPUs there - res = inst->disp->layer_inst_disp.EnumeratePhysicalDevices(instance, &total_count, NULL); - if (res != VK_SUCCESS) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTrampPhysDevs: Failed during dispatch call " - "of \'vkEnumeratePhysicalDevices\' to lower layers or " - "loader to get count."); - goto out; - } - - // Really use what the total GPU count is since Optimus and other layers may mess - // the count up. - total_count = inst->total_gpu_count; - - // Create an array for the new physical devices, which will be stored - // in the instance for the trampoline code. - new_phys_devs = (struct loader_physical_device_tramp **)loader_instance_heap_alloc( - inst, total_count * sizeof(struct loader_physical_device_tramp *), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_phys_devs) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTrampPhysDevs: Failed to allocate new physical device" - " array of size %d", - total_count); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - memset(new_phys_devs, 0, total_count * sizeof(struct loader_physical_device_tramp *)); - - // Create a temporary array (on the stack) to keep track of the - // returned VkPhysicalDevice values. - local_phys_devs = loader_stack_alloc(sizeof(VkPhysicalDevice) * total_count); - if (NULL == local_phys_devs) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTrampPhysDevs: Failed to allocate local " - "physical device array of size %d", - total_count); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - memset(local_phys_devs, 0, sizeof(VkPhysicalDevice) * total_count); - - res = inst->disp->layer_inst_disp.EnumeratePhysicalDevices(instance, &total_count, local_phys_devs); - if (VK_SUCCESS != res) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTrampPhysDevs: Failed during dispatch call " - "of \'vkEnumeratePhysicalDevices\' to lower layers or " - "loader to get content."); - goto out; - } - - // Copy or create everything to fill the new array of physical devices - for (uint32_t new_idx = 0; new_idx < total_count; new_idx++) { - // Check if this physical device is already in the old buffer - for (uint32_t old_idx = 0; old_idx < inst->phys_dev_count_tramp; old_idx++) { - if (local_phys_devs[new_idx] == inst->phys_devs_tramp[old_idx]->phys_dev) { - new_phys_devs[new_idx] = inst->phys_devs_tramp[old_idx]; - break; - } - } - - // If this physical device isn't in the old buffer, create it - if (NULL == new_phys_devs[new_idx]) { - new_phys_devs[new_idx] = (struct loader_physical_device_tramp *)loader_instance_heap_alloc( - inst, sizeof(struct loader_physical_device_tramp), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_phys_devs[new_idx]) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTrampPhysDevs: Failed to allocate " - "physical device trampoline object %d", - new_idx); - total_count = new_idx; - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - // Initialize the new physicalDevice object - loader_set_dispatch((void *)new_phys_devs[new_idx], inst->disp); - new_phys_devs[new_idx]->this_instance = inst; - new_phys_devs[new_idx]->phys_dev = local_phys_devs[new_idx]; - } - } - -out: - - if (VK_SUCCESS != res) { - if (NULL != new_phys_devs) { - for (uint32_t i = 0; i < total_count; i++) { - loader_instance_heap_free(inst, new_phys_devs[i]); - } - loader_instance_heap_free(inst, new_phys_devs); - } - total_count = 0; - } else { - // Free everything that didn't carry over to the new array of - // physical devices - if (NULL != inst->phys_devs_tramp) { - for (uint32_t i = 0; i < inst->phys_dev_count_tramp; i++) { - bool found = false; - for (uint32_t j = 0; j < total_count; j++) { - if (inst->phys_devs_tramp[i] == new_phys_devs[j]) { - found = true; - break; - } - } - if (!found) { - loader_instance_heap_free(inst, inst->phys_devs_tramp[i]); - } - } - loader_instance_heap_free(inst, inst->phys_devs_tramp); - } - - // Swap in the new physical device list - inst->phys_dev_count_tramp = total_count; - inst->phys_devs_tramp = new_phys_devs; - } - - return res; -} - -VkResult setupLoaderTermPhysDevs(struct loader_instance *inst) { - VkResult res = VK_SUCCESS; - struct loader_icd_term *icd_term; - struct loader_phys_dev_per_icd *icd_phys_dev_array = NULL; - struct loader_physical_device_term **new_phys_devs = NULL; - - inst->total_gpu_count = 0; - - // Allocate something to store the physical device characteristics - // that we read from each ICD. - icd_phys_dev_array = - (struct loader_phys_dev_per_icd *)loader_stack_alloc(sizeof(struct loader_phys_dev_per_icd) * inst->total_icd_count); - if (NULL == icd_phys_dev_array) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTermPhysDevs: Failed to allocate temporary " - "ICD Physical device info array of size %d", - inst->total_gpu_count); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - memset(icd_phys_dev_array, 0, sizeof(struct loader_phys_dev_per_icd) * inst->total_icd_count); - icd_term = inst->icd_terms; - - // For each ICD, query the number of physical devices, and then get an - // internal value for those physical devices. - for (uint32_t icd_idx = 0; NULL != icd_term; icd_term = icd_term->next, icd_idx++) { - res = icd_term->dispatch.EnumeratePhysicalDevices(icd_term->instance, &icd_phys_dev_array[icd_idx].count, NULL); - if (VK_SUCCESS != res) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTermPhysDevs: Call to " - "ICD %d's \'vkEnumeratePhysicalDevices\' failed with" - " error 0x%08x", - icd_idx, res); - goto out; - } - - icd_phys_dev_array[icd_idx].phys_devs = - (VkPhysicalDevice *)loader_stack_alloc(icd_phys_dev_array[icd_idx].count * sizeof(VkPhysicalDevice)); - if (NULL == icd_phys_dev_array[icd_idx].phys_devs) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTermPhysDevs: Failed to allocate temporary " - "ICD Physical device array for ICD %d of size %d", - icd_idx, inst->total_gpu_count); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - res = icd_term->dispatch.EnumeratePhysicalDevices(icd_term->instance, &(icd_phys_dev_array[icd_idx].count), - icd_phys_dev_array[icd_idx].phys_devs); - if (VK_SUCCESS != res) { - goto out; - } - inst->total_gpu_count += icd_phys_dev_array[icd_idx].count; - icd_phys_dev_array[icd_idx].this_icd_term = icd_term; - } - - if (0 == inst->total_gpu_count) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTermPhysDevs: Failed to detect any valid" - " GPUs in the current config"); - res = VK_ERROR_INITIALIZATION_FAILED; - goto out; - } - - new_phys_devs = loader_instance_heap_alloc(inst, sizeof(struct loader_physical_device_term *) * inst->total_gpu_count, - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_phys_devs) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTermPhysDevs: Failed to allocate new physical" - " device array of size %d", - inst->total_gpu_count); - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - memset(new_phys_devs, 0, sizeof(struct loader_physical_device_term *) * inst->total_gpu_count); - - // Copy or create everything to fill the new array of physical devices - uint32_t idx = 0; - for (uint32_t icd_idx = 0; icd_idx < inst->total_icd_count; icd_idx++) { - for (uint32_t pd_idx = 0; pd_idx < icd_phys_dev_array[icd_idx].count; pd_idx++) { - // Check if this physical device is already in the old buffer - if (NULL != inst->phys_devs_term) { - for (uint32_t old_idx = 0; old_idx < inst->phys_dev_count_term; old_idx++) { - if (icd_phys_dev_array[icd_idx].phys_devs[pd_idx] == inst->phys_devs_term[old_idx]->phys_dev) { - new_phys_devs[idx] = inst->phys_devs_term[old_idx]; - break; - } - } - } - // If this physical device isn't in the old buffer, then we - // need to create it. - if (NULL == new_phys_devs[idx]) { - new_phys_devs[idx] = loader_instance_heap_alloc(inst, sizeof(struct loader_physical_device_term), - VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); - if (NULL == new_phys_devs[idx]) { - loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "setupLoaderTermPhysDevs: Failed to allocate " - "physical device terminator object %d", - idx); - inst->total_gpu_count = idx; - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - loader_set_dispatch((void *)new_phys_devs[idx], inst->disp); - new_phys_devs[idx]->this_icd_term = icd_phys_dev_array[icd_idx].this_icd_term; - new_phys_devs[idx]->icd_index = (uint8_t)(icd_idx); - new_phys_devs[idx]->phys_dev = icd_phys_dev_array[icd_idx].phys_devs[pd_idx]; - } - idx++; - } - } - -out: - - if (VK_SUCCESS != res) { - if (NULL != new_phys_devs) { - // We've encountered an error, so we should free the new buffers. - for (uint32_t i = 0; i < inst->total_gpu_count; i++) { - loader_instance_heap_free(inst, new_phys_devs[i]); - } - loader_instance_heap_free(inst, new_phys_devs); - } - inst->total_gpu_count = 0; - } else { - // Free everything that didn't carry over to the new array of - // physical devices. Everything else will have been copied over - // to the new array. - if (NULL != inst->phys_devs_term) { - for (uint32_t cur_pd = 0; cur_pd < inst->phys_dev_count_term; cur_pd++) { - bool found = false; - for (uint32_t new_pd_idx = 0; new_pd_idx < inst->total_gpu_count; new_pd_idx++) { - if (inst->phys_devs_term[cur_pd] == new_phys_devs[new_pd_idx]) { - found = true; - break; - } - } - if (!found) { - loader_instance_heap_free(inst, inst->phys_devs_term[cur_pd]); - } - } - loader_instance_heap_free(inst, inst->phys_devs_term); - } - - // Swap out old and new devices list - inst->phys_dev_count_term = inst->total_gpu_count; - inst->phys_devs_term = new_phys_devs; - } - - return res; -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumeratePhysicalDevices(VkInstance instance, uint32_t *pPhysicalDeviceCount, - VkPhysicalDevice *pPhysicalDevices) { - struct loader_instance *inst = (struct loader_instance *)instance; - VkResult res = VK_SUCCESS; - - // Always call the setup loader terminator physical devices because they may - // have changed at any point. - res = setupLoaderTermPhysDevs(inst); - if (VK_SUCCESS != res) { - goto out; - } - - uint32_t copy_count = inst->total_gpu_count; - if (NULL != pPhysicalDevices) { - if (copy_count > *pPhysicalDeviceCount) { - copy_count = *pPhysicalDeviceCount; - res = VK_INCOMPLETE; - } - - for (uint32_t i = 0; i < copy_count; i++) { - pPhysicalDevices[i] = (VkPhysicalDevice)inst->phys_devs_term[i]; - } - } - - *pPhysicalDeviceCount = copy_count; - -out: - - return res; -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceProperties(VkPhysicalDevice physicalDevice, - VkPhysicalDeviceProperties *pProperties) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - if (NULL != icd_term->dispatch.GetPhysicalDeviceProperties) { - icd_term->dispatch.GetPhysicalDeviceProperties(phys_dev_term->phys_dev, pProperties); - } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceQueueFamilyProperties(VkPhysicalDevice physicalDevice, - uint32_t *pQueueFamilyPropertyCount, - VkQueueFamilyProperties *pProperties) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - if (NULL != icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties) { - icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties(phys_dev_term->phys_dev, pQueueFamilyPropertyCount, pProperties); - } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceMemoryProperties(VkPhysicalDevice physicalDevice, - VkPhysicalDeviceMemoryProperties *pProperties) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - if (NULL != icd_term->dispatch.GetPhysicalDeviceMemoryProperties) { - icd_term->dispatch.GetPhysicalDeviceMemoryProperties(phys_dev_term->phys_dev, pProperties); - } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceFeatures(VkPhysicalDevice physicalDevice, - VkPhysicalDeviceFeatures *pFeatures) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - if (NULL != icd_term->dispatch.GetPhysicalDeviceFeatures) { - icd_term->dispatch.GetPhysicalDeviceFeatures(phys_dev_term->phys_dev, pFeatures); - } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format, - VkFormatProperties *pFormatInfo) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - if (NULL != icd_term->dispatch.GetPhysicalDeviceFormatProperties) { - icd_term->dispatch.GetPhysicalDeviceFormatProperties(phys_dev_term->phys_dev, format, pFormatInfo); - } -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_GetPhysicalDeviceImageFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format, - VkImageType type, VkImageTiling tiling, - VkImageUsageFlags usage, VkImageCreateFlags flags, - VkImageFormatProperties *pImageFormatProperties) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - if (NULL == icd_term->dispatch.GetPhysicalDeviceImageFormatProperties) { - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "Encountered the vkEnumerateDeviceLayerProperties " - "terminator. This means a layer improperly continued."); - return VK_ERROR_INITIALIZATION_FAILED; - } - return icd_term->dispatch.GetPhysicalDeviceImageFormatProperties(phys_dev_term->phys_dev, format, type, tiling, usage, flags, - pImageFormatProperties); -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceSparseImageFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format, - VkImageType type, VkSampleCountFlagBits samples, - VkImageUsageFlags usage, VkImageTiling tiling, - uint32_t *pNumProperties, - VkSparseImageFormatProperties *pProperties) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - if (NULL != icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties) { - icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties(phys_dev_term->phys_dev, format, type, samples, usage, - tiling, pNumProperties, pProperties); - } -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumerateDeviceExtensionProperties(VkPhysicalDevice physicalDevice, - const char *pLayerName, uint32_t *pPropertyCount, - VkExtensionProperties *pProperties) { - struct loader_physical_device_term *phys_dev_term; - - struct loader_layer_list implicit_layer_list = {0}; - struct loader_extension_list all_exts = {0}; - struct loader_extension_list icd_exts = {0}; - - assert(pLayerName == NULL || strlen(pLayerName) == 0); - - // Any layer or trampoline wrapping should be removed at this point in time can just cast to the expected - // type for VkPhysicalDevice. - phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - - // This case is during the call down the instance chain with pLayerName == NULL - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - uint32_t icd_ext_count = *pPropertyCount; - VkResult res; - - // Get the available device extensions - res = icd_term->dispatch.EnumerateDeviceExtensionProperties(phys_dev_term->phys_dev, NULL, &icd_ext_count, pProperties); - if (res != VK_SUCCESS) { - goto out; - } - - if (!loader_init_layer_list(icd_term->this_instance, &implicit_layer_list)) { - res = VK_ERROR_OUT_OF_HOST_MEMORY; - goto out; - } - - loader_add_implicit_layers(icd_term->this_instance, &implicit_layer_list, NULL, &icd_term->this_instance->instance_layer_list); - // We need to determine which implicit layers are active, and then add their extensions. This can't be cached as - // it depends on results of environment variables (which can change). - if (pProperties != NULL) { - // Initialize dev_extension list within the physicalDevice object - res = loader_init_device_extensions(icd_term->this_instance, phys_dev_term, icd_ext_count, pProperties, &icd_exts); - if (res != VK_SUCCESS) { - goto out; - } - - // We need to determine which implicit layers are active, and then add their extensions. This can't be cached as - // it depends on results of environment variables (which can change). - res = loader_add_to_ext_list(icd_term->this_instance, &all_exts, icd_exts.count, icd_exts.list); - if (res != VK_SUCCESS) { - goto out; - } - - loader_add_implicit_layers(icd_term->this_instance, &implicit_layer_list, NULL, - &icd_term->this_instance->instance_layer_list); - - for (uint32_t i = 0; i < implicit_layer_list.count; i++) { - for (uint32_t j = 0; j < implicit_layer_list.list[i].device_extension_list.count; j++) { - res = loader_add_to_ext_list(icd_term->this_instance, &all_exts, 1, - &implicit_layer_list.list[i].device_extension_list.list[j].props); - if (res != VK_SUCCESS) { - goto out; - } - } - } - uint32_t capacity = *pPropertyCount; - VkExtensionProperties *props = pProperties; - - for (uint32_t i = 0; i < all_exts.count && i < capacity; i++) { - props[i] = all_exts.list[i]; - } - - // Wasn't enough space for the extensions, we did partial copy now return VK_INCOMPLETE - if (capacity < all_exts.count) { - res = VK_INCOMPLETE; - } else { - *pPropertyCount = all_exts.count; - } - } else { - // Just return the count; need to add in the count of implicit layer extensions - // don't worry about duplicates being added in the count - *pPropertyCount = icd_ext_count; - - for (uint32_t i = 0; i < implicit_layer_list.count; i++) { - *pPropertyCount += implicit_layer_list.list[i].device_extension_list.count; - } - res = VK_SUCCESS; - } - -out: - - if (NULL != implicit_layer_list.list) { - loader_destroy_generic_list(icd_term->this_instance, (struct loader_generic_list *)&implicit_layer_list); - } - if (NULL != all_exts.list) { - loader_destroy_generic_list(icd_term->this_instance, (struct loader_generic_list *)&all_exts); - } - if (NULL != icd_exts.list) { - loader_destroy_generic_list(icd_term->this_instance, (struct loader_generic_list *)&icd_exts); - } - - return res; -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumerateDeviceLayerProperties(VkPhysicalDevice physicalDevice, uint32_t *pPropertyCount, - VkLayerProperties *pProperties) { - struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice; - struct loader_icd_term *icd_term = phys_dev_term->this_icd_term; - loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, - "Encountered the vkEnumerateDeviceLayerProperties " - "terminator. This means a layer improperly continued."); - // Should never get here this call isn't dispatched down the chain - return VK_ERROR_INITIALIZATION_FAILED; -} - -VkStringErrorFlags vk_string_validate(const int max_length, const char *utf8) { - VkStringErrorFlags result = VK_STRING_ERROR_NONE; - int num_char_bytes = 0; - int i, j; - - for (i = 0; i <= max_length; i++) { - if (utf8[i] == 0) { - break; - } else if (i == max_length) { - result |= VK_STRING_ERROR_LENGTH; - break; - } else if ((utf8[i] >= 0x20) && (utf8[i] < 0x7f)) { - num_char_bytes = 0; - } else if ((utf8[i] & UTF8_ONE_BYTE_MASK) == UTF8_ONE_BYTE_CODE) { - num_char_bytes = 1; - } else if ((utf8[i] & UTF8_TWO_BYTE_MASK) == UTF8_TWO_BYTE_CODE) { - num_char_bytes = 2; - } else if ((utf8[i] & UTF8_THREE_BYTE_MASK) == UTF8_THREE_BYTE_CODE) { - num_char_bytes = 3; - } else { - result = VK_STRING_ERROR_BAD_DATA; - } - - // Validate the following num_char_bytes of data - for (j = 0; (j < num_char_bytes) && (i < max_length); j++) { - if (++i == max_length) { - result |= VK_STRING_ERROR_LENGTH; - break; - } - if ((utf8[i] & UTF8_DATA_BYTE_MASK) != UTF8_DATA_BYTE_CODE) { - result |= VK_STRING_ERROR_BAD_DATA; - } - } - } - return result; -} - -VKAPI_ATTR VkResult VKAPI_CALL -terminator_EnumerateInstanceExtensionProperties(const VkEnumerateInstanceExtensionPropertiesChain *chain, const char *pLayerName, - uint32_t *pPropertyCount, VkExtensionProperties *pProperties) { - struct loader_extension_list *global_ext_list = NULL; - struct loader_layer_list instance_layers; - struct loader_extension_list local_ext_list; - struct loader_icd_tramp_list icd_tramp_list; - uint32_t copy_size; - VkResult res = VK_SUCCESS; - - // tls_instance = NULL; - memset(&local_ext_list, 0, sizeof(local_ext_list)); - memset(&instance_layers, 0, sizeof(instance_layers)); - - // Get layer libraries if needed - if (pLayerName && strlen(pLayerName) != 0) { - if (vk_string_validate(MaxLoaderStringLength, pLayerName) != VK_STRING_ERROR_NONE) { - assert(VK_FALSE && - "vkEnumerateInstanceExtensionProperties: " - "pLayerName is too long or is badly formed"); - res = VK_ERROR_EXTENSION_NOT_PRESENT; - goto out; - } - - loader_layer_scan(NULL, &instance_layers); - for (uint32_t i = 0; i < instance_layers.count; i++) { - struct loader_layer_properties *props = &instance_layers.list[i]; - if (strcmp(props->info.layerName, pLayerName) == 0) { - global_ext_list = &props->instance_extension_list; - break; - } - } - } else { - // Scan/discover all ICD libraries - memset(&icd_tramp_list, 0, sizeof(icd_tramp_list)); - res = loader_icd_scan(NULL, &icd_tramp_list); - if (VK_SUCCESS != res) { - goto out; - } - // Get extensions from all ICD's, merge so no duplicates - res = loader_get_icd_loader_instance_extensions(NULL, &icd_tramp_list, &local_ext_list); - if (VK_SUCCESS != res) { - goto out; - } - loader_scanned_icd_clear(NULL, &icd_tramp_list); - - // Append enabled implicit layers. - loader_implicit_layer_scan(NULL, &instance_layers); - for (uint32_t i = 0; i < instance_layers.count; i++) { - if (!loader_is_implicit_layer_enabled(NULL, &instance_layers.list[i])) { - continue; - } - struct loader_extension_list *ext_list = &instance_layers.list[i].instance_extension_list; - loader_add_to_ext_list(NULL, &local_ext_list, ext_list->count, ext_list->list); - } - - global_ext_list = &local_ext_list; - } - - if (global_ext_list == NULL) { - res = VK_ERROR_LAYER_NOT_PRESENT; - goto out; - } - - if (pProperties == NULL) { - *pPropertyCount = global_ext_list->count; - goto out; - } - - copy_size = *pPropertyCount < global_ext_list->count ? *pPropertyCount : global_ext_list->count; - for (uint32_t i = 0; i < copy_size; i++) { - memcpy(&pProperties[i], &global_ext_list->list[i], sizeof(VkExtensionProperties)); - } - *pPropertyCount = copy_size; - - if (copy_size < global_ext_list->count) { - res = VK_INCOMPLETE; - goto out; - } - -out: - - loader_destroy_generic_list(NULL, (struct loader_generic_list *)&local_ext_list); - loader_delete_layer_properties(NULL, &instance_layers); - return res; -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumerateInstanceLayerProperties(const VkEnumerateInstanceLayerPropertiesChain *chain, - uint32_t *pPropertyCount, - VkLayerProperties *pProperties) { - VkResult result = VK_SUCCESS; - struct loader_layer_list instance_layer_list; - tls_instance = NULL; - - LOADER_PLATFORM_THREAD_ONCE(&once_init, loader_initialize); - - uint32_t copy_size; - - // Get layer libraries - memset(&instance_layer_list, 0, sizeof(instance_layer_list)); - loader_layer_scan(NULL, &instance_layer_list); - - if (pProperties == NULL) { - *pPropertyCount = instance_layer_list.count; - goto out; - } - - copy_size = (*pPropertyCount < instance_layer_list.count) ? *pPropertyCount : instance_layer_list.count; - for (uint32_t i = 0; i < copy_size; i++) { - memcpy(&pProperties[i], &instance_layer_list.list[i].info, sizeof(VkLayerProperties)); - } - - *pPropertyCount = copy_size; - - if (copy_size < instance_layer_list.count) { - result = VK_INCOMPLETE; - goto out; - } - -out: - - loader_delete_layer_properties(NULL, &instance_layer_list); - return result; -} - -#if defined(_WIN32) && defined(LOADER_DYNAMIC_LIB) -BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, LPVOID reserved) { - switch (reason) { - case DLL_PROCESS_ATTACH: - loader_initialize(); - break; - case DLL_PROCESS_DETACH: - if (NULL == reserved) { - loader_release(); - } - break; - default: - // Do nothing - break; - } - return TRUE; -} -#elif !defined(_WIN32) -__attribute__((constructor)) void loader_init_library() { loader_initialize(); } - -__attribute__((destructor)) void loader_free_library() { loader_release(); } -#endif |