diff options
Diffstat (limited to 'thirdparty/vulkan/loader/loader.c')
| -rw-r--r-- | thirdparty/vulkan/loader/loader.c | 8751 | 
1 files changed, 0 insertions, 8751 deletions
diff --git a/thirdparty/vulkan/loader/loader.c b/thirdparty/vulkan/loader/loader.c deleted file mode 100644 index 158097a8aa..0000000000 --- a/thirdparty/vulkan/loader/loader.c +++ /dev/null @@ -1,8751 +0,0 @@ -/* - * - * Copyright (c) 2014-2020 The Khronos Group Inc. - * Copyright (c) 2014-2020 Valve Corporation - * Copyright (c) 2014-2020 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> - * - */ - -// This needs to be defined first, or else we'll get redefinitions on NTSTATUS values -#ifdef _WIN32 -#define UMDF_USING_NTSTATUS -#include <ntstatus.h> -#endif - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE -#endif -#include <inttypes.h> -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <stdbool.h> -#include <string.h> -#include <stddef.h> - -#if defined(__APPLE__) -#include <CoreFoundation/CoreFoundation.h> -#include <sys/param.h> -#endif - -// Time related functions -#include <time.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_utils.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> -#include <winternl.h> -#include <strsafe.h> -#ifdef __MINGW32__ -#undef strcpy  // fix error with redfined strcpy when building with MinGW-w64 -#endif -#include <dxgi1_6.h> -#include "adapters.h" - -typedef HRESULT (APIENTRY *PFN_CreateDXGIFactory1)(REFIID riid, void **ppFactory); -static PFN_CreateDXGIFactory1 fpCreateDXGIFactory1; -#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" - -// Environment Variable information -#define VK_ICD_FILENAMES_ENV_VAR "VK_ICD_FILENAMES" -#define VK_LAYER_PATH_ENV_VAR "VK_LAYER_PATH" - -// Override layer information -#define VK_OVERRIDE_LAYER_NAME "VK_LAYER_LUNARG_override" - -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; - -enum loader_data_files_type { -    LOADER_DATA_FILE_MANIFEST_ICD = 0, -    LOADER_DATA_FILE_MANIFEST_LAYER, -    LOADER_DATA_FILE_NUM_TYPES  // Not a real field, used for possible loop terminator -}; - -// 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_mutex loader_preload_icd_lock; - -// A list of ICDs that gets initialized when the loader does its global initialization. This list should never be used by anything -// other than EnumerateInstanceExtensionProperties(), vkDestroyInstance, and loader_release(). This list does not change -// functionality, but the fact that the libraries already been loaded causes any call that needs to load ICD libraries to speed up -// significantly. This can have a huge impact when making repeated calls to vkEnumerateInstanceExtensionProperties and -// vkCreateInstance. -static struct loader_icd_tramp_list scanned_icds; - -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__) || defined(__APPLE__) || defined(__Fuchsia__) - -static inline bool IsHighIntegrity() { -    return geteuid() != getuid() || getegid() != getgid(); -} - -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) { -    char *out; -#if defined(__APPLE__) -    // Apple does not appear to have a secure getenv implementation. -    // The main difference between secure getenv and getenv is that secure getenv -    // returns NULL if the process is being run with elevated privileges by a normal user. -    // The idea is to prevent the reading of malicious environment variables by a process -    // that can do damage. -    // This algorithm is derived from glibc code that sets an internal -    // variable (__libc_enable_secure) if the process is running under setuid or setgid. -    return IsHighIntegrity() ? NULL : loader_getenv(name, inst); -#elif defined(__Fuchsia__) -    return loader_getenv(name, inst); -#else -// Linux -#if defined(HAVE_SECURE_GETENV) && !defined(USE_UNSAFE_FILE_SEARCH) -    (void)inst; -    out = secure_getenv(name); -#elif defined(HAVE___SECURE_GETENV) && !defined(USE_UNSAFE_FILE_SEARCH) -    (void)inst; -    out = __secure_getenv(name); -#else -    out = loader_getenv(name, inst); -#if !defined(USE_UNSAFE_FILE_SEARCH) -    loader_log(inst, LOADER_INFO_BIT, 0, "Loader is using non-secure environment variable lookup for %s", name); -#endif -#endif -    return out; -#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 bool IsHighIntegrity() { -    HANDLE process_token; -    if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY | TOKEN_QUERY_SOURCE, &process_token)) { -        // Maximum possible size of SID_AND_ATTRIBUTES is maximum size of a SID + size of attributes DWORD. -        uint8_t mandatory_label_buffer[SECURITY_MAX_SID_SIZE + sizeof(DWORD)]; -        DWORD buffer_size; -        if (GetTokenInformation(process_token, TokenIntegrityLevel, mandatory_label_buffer, sizeof(mandatory_label_buffer), -            &buffer_size) != 0) { -            const TOKEN_MANDATORY_LABEL *mandatory_label = (const TOKEN_MANDATORY_LABEL *)mandatory_label_buffer; -            const DWORD sub_authority_count = *GetSidSubAuthorityCount(mandatory_label->Label.Sid); -            const DWORD integrity_level = *GetSidSubAuthority(mandatory_label->Label.Sid, sub_authority_count - 1); - -            CloseHandle(process_token); -            return integrity_level > SECURITY_MANDATORY_MEDIUM_RID; -        } - -        CloseHandle(process_token); -    } - -    return false; -} - -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) { -#if !defined(USE_UNSAFE_FILE_SEARCH) -    if (IsHighIntegrity()) { -        loader_log(inst, LOADER_INFO_BIT, 0, "Loader is running with elevated permissions. Environment variable %s will be ignored", -                   name); -        return NULL; -    } -#endif - -    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) { -        VkDebugUtilsMessageSeverityFlagBitsEXT severity = 0; -        VkDebugUtilsMessageTypeFlagsEXT type; -        VkDebugUtilsMessengerCallbackDataEXT callback_data; -        VkDebugUtilsObjectNameInfoEXT object_name; - -        if ((msg_type & LOADER_INFO_BIT) != 0) { -            severity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT; -        } else if ((msg_type & LOADER_WARN_BIT) != 0) { -            severity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT; -        } else if ((msg_type & LOADER_ERROR_BIT) != 0) { -            severity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT; -        } else if ((msg_type & LOADER_DEBUG_BIT) != 0) { -            severity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT; -        } - -        if ((msg_type & LOADER_PERF_BIT) != 0) { -            type = VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT; -        } else { -            type = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT; -        } - -        callback_data.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT; -        callback_data.pNext = NULL; -        callback_data.flags = 0; -        callback_data.pMessageIdName = "Loader Message"; -        callback_data.messageIdNumber = 0; -        callback_data.pMessage = msg; -        callback_data.queueLabelCount = 0; -        callback_data.pQueueLabels = NULL; -        callback_data.cmdBufLabelCount = 0; -        callback_data.pCmdBufLabels = NULL; -        callback_data.objectCount = 1; -        callback_data.pObjects = &object_name; -        object_name.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT; -        object_name.pNext = NULL; -        object_name.objectType = VK_OBJECT_TYPE_INSTANCE; -        object_name.objectHandle = (uint64_t)(uintptr_t)inst; -        object_name.pObjectName = NULL; - -        util_SubmitDebugUtilsMessageEXT(inst, severity, type, &callback_data); -    } - -    if (!(msg_type & g_loader_log_msgs)) { -        return; -    } - -    cmd_line_msg[0] = '\0'; -    cmd_line_size -= 1; -    size_t original_size = cmd_line_size; - -    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) - -// Append the JSON path data to the list and allocate/grow the list if it's not large enough. -// Function returns true if filename was appended to reg_data list. -// Caller should free reg_data. -static bool loaderAddJsonEntry(const struct loader_instance *inst, -                               char **reg_data,    // list of JSON files -                               PDWORD total_size,  // size of reg_data -                               LPCSTR key_name,    // key name - used for debug prints - i.e. VulkanDriverName -                               DWORD key_type,     // key data type -                               LPSTR json_path,    // JSON string to add to the list reg_data -                               DWORD json_size,    // size in bytes of json_path -                               VkResult *result) { -    // Check for and ignore duplicates. -    if (*reg_data && strstr(*reg_data, json_path)) { -        // Success. The json_path is already in the list. -        return true; -    } - -    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, -                       "loaderAddJsonEntry: Failed to allocate space for registry data for key %s", json_path); -            *result = VK_ERROR_OUT_OF_HOST_MEMORY; -            return false; -        } -        *reg_data[0] = '\0'; -    } else if (strlen(*reg_data) + json_size + 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, -                       "loaderAddJsonEntry: Failed to reallocate space for registry value of size %d for key %s", *total_size * 2, -                       json_path); -            *result = VK_ERROR_OUT_OF_HOST_MEMORY; -            return false; -        } -        *reg_data = new_ptr; -        *total_size *= 2; -    } - -    for (char *curr_filename = json_path; curr_filename[0] != '\0'; curr_filename += strlen(curr_filename) + 1) { -        if (strlen(*reg_data) == 0) { -            (void)snprintf(*reg_data, json_size + 1, "%s", curr_filename); -        } else { -            (void)snprintf(*reg_data + strlen(*reg_data), json_size + 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, key_name); - -        if (key_type == REG_SZ) { -            break; -        } -    } -    return true; -} - -// 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 occurs result is updated with failure reason -bool loaderGetDeviceRegistryEntry(const struct loader_instance *inst, char **reg_data, PDWORD total_size, DEVINST dev_id, -                                  LPCSTR 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; -    } - -    found = loaderAddJsonEntry(inst, reg_data, total_size, value_name, data_type, manifest_path, requiredSize, result); - -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, -                                      LPCSTR value_name) { -    static const wchar_t *softwareComponentGUID = L"{5c4c3332-344d-483c-8739-259e934c9cc8}"; -    static const wchar_t *displayGUID = L"{4d36e968-e325-11ce-bfc1-08002be10318}"; -#ifdef CM_GETIDLIST_FILTER_PRESENT -    const ULONG flags = CM_GETIDLIST_FILTER_CLASS | CM_GETIDLIST_FILTER_PRESENT; -#else -    const ULONG flags = 0x300; -#endif - -    wchar_t childGuid[MAX_GUID_STRING_LEN + 2];  // +2 for brackets {} -    ULONG childGuidSize = sizeof(childGuid); - -    DEVINST devID = 0, childID = 0; -    wchar_t *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_SizeW(&deviceNamesSize, displayGUID, flags); - -        if (pDeviceNames != NULL) { -            loader_instance_heap_free(inst, pDeviceNames); -        } - -        pDeviceNames = loader_instance_heap_alloc(inst, deviceNamesSize * sizeof(wchar_t), 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_ListW(displayGUID, pDeviceNames, deviceNamesSize, flags) == CR_BUFFER_SMALL); - -    if (pDeviceNames) { -        for (wchar_t *deviceName = pDeviceNames; *deviceName; deviceName += wcslen(deviceName) + 1) { -            CONFIGRET status = CM_Locate_DevNodeW(&devID, deviceName, CM_LOCATE_DEVNODE_NORMAL); -            if (CR_SUCCESS != status) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loaderGetDeviceRegistryFiles: failed to open DevNode %ls", -                           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, "loaderGetDeviceRegistryFiles: failed to probe device status %ls", -                           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, -                           "loaderGetDeviceRegistryFiles: device %ls is pending reboot, skipping ...", deviceName); -                continue; -            } - -            loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "loaderGetDeviceRegistryFiles: opening device %ls", 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, -                           "loaderGetDeviceRegistryFiles: unable to open child-device error:%d", status); -                continue; -            } - -            do { -                wchar_t buffer[MAX_DEVICE_ID_LEN]; -                CM_Get_Device_IDW(childID, buffer, MAX_DEVICE_ID_LEN, 0); - -                loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                           "loaderGetDeviceRegistryFiles: Opening child device %d - %ls", childID, buffer); - -                status = CM_Get_DevNode_Registry_PropertyW(childID, CM_DRP_CLASSGUID, NULL, &childGuid, &childGuidSize, 0); -                if (status != CR_SUCCESS) { -                    loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                               "loaderGetDeviceRegistryFiles: unable to obtain GUID for:%d error:%d", childID, status); - -                    result = VK_ERROR_INITIALIZATION_FAILED; -                    continue; -                } - -                if (wcscmp(childGuid, softwareComponentGUID) != 0) { -                    loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, -                               "loaderGetDeviceRegistryFiles: 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) { -    // This list contains all of the allowed ICDs. This allows us to verify that a device is actually present from the vendor -    // specified. This does disallow other vendors, but any new driver should use the device-specific registries anyway. -    static const struct { -        const char *filename; -        int vendor_id; -    } known_drivers[] = { -#if defined(_WIN64) -        { -            .filename = "igvk64.json", -            .vendor_id = 0x8086, -        }, -        { -            .filename = "nv-vk64.json", -            .vendor_id = 0x10de, -        }, -        { -            .filename = "amd-vulkan64.json", -            .vendor_id = 0x1002, -        }, -        { -            .filename = "amdvlk64.json", -            .vendor_id = 0x1002, -        }, -#else -        { -            .filename = "igvk32.json", -            .vendor_id = 0x8086, -        }, -        { -            .filename = "nv-vk32.json", -            .vendor_id = 0x10de, -        }, -        { -            .filename = "amd-vulkan32.json", -            .vendor_id = 0x1002, -        }, -        { -            .filename = "amdvlk32.json", -            .vendor_id = 0x1002, -        }, -#endif -    }; - -    LONG rtn_value; -    HKEY hive = DEFAULT_VK_REGISTRY_HIVE, key; -    DWORD access_flags; -    char name[2048]; -    char *loc = location; -    char *next; -    DWORD name_size = sizeof(name); -    DWORD value; -    DWORD value_size = sizeof(value); -    VkResult result = VK_SUCCESS; -    bool found = false; -    IDXGIFactory1 *dxgi_factory = NULL; -    bool is_driver = !strcmp(location, VK_DRIVERS_INFO_REGISTRY_LOC); - -    if (NULL == reg_data) { -        result = VK_ERROR_INITIALIZATION_FAILED; -        goto out; -    } - -    if (is_driver) { -        HRESULT hres = fpCreateDXGIFactory1(&IID_IDXGIFactory1, (void **)&dxgi_factory); -        if (hres != S_OK) { -            loader_log( -                inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                "loaderGetRegistryFiles: Failed to create dxgi factory for ICD registry verification. No ICDs will be added from " -                "legacy registry locations"); -            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) { -            for (DWORD idx = 0; -                 (rtn_value = RegEnumValue(key, idx++, name, &name_size, NULL, NULL, (LPBYTE)&value, &value_size)) == ERROR_SUCCESS; -                 name_size = sizeof(name), value_size = sizeof(value)) { -                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; -                    } - -                    // We've now found a json file. If this is an ICD, we still need to check if there is actually a device -                    // that matches this ICD -                    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 (is_driver) { -                        int i; -                        for (i = 0; i < sizeof(known_drivers) / sizeof(known_drivers[0]); ++i) { -                            if (!strcmp(name + strlen(name) - strlen(known_drivers[i].filename), known_drivers[i].filename)) { -                                break; -                            } -                        } -                        if (i == sizeof(known_drivers) / sizeof(known_drivers[0])) { -                            loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                                       "Driver %s is not recognized as a known driver. It will be assumed to be active", name); -                        } else { -                            bool found_gpu = false; -                            for (int j = 0;; ++j) { -                                IDXGIAdapter1 *adapter; -                                HRESULT hres = dxgi_factory->lpVtbl->EnumAdapters1(dxgi_factory, j, &adapter); -                                if (hres == DXGI_ERROR_NOT_FOUND) { -                                    break; -                                } else if (hres != S_OK) { -                                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                                               "Failed to enumerate DXGI adapters at index %d. As a result, drivers may be skipped", j); -                                    continue; -                                } - -                                DXGI_ADAPTER_DESC1 description; -                                hres = adapter->lpVtbl->GetDesc1(adapter, &description); -                                if (hres != S_OK) { -                                    loader_log( -                                        inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                                        "Failed to get DXGI adapter information at index %d. As a result, drivers may be skipped", j); -                                    continue; -                                } - -                                if (description.VendorId == known_drivers[i].vendor_id) { -                                    found_gpu = true; -                                    break; -                                } -                            } - -                            if (!found_gpu) { -                                loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                                           "Dropping driver %s as no corresponding DXGI adapter was found", name); -                                continue; -                            } -                        } -                    } - -                    if (strlen(*reg_data) == 0) { -                        // The list is emtpy. Add the first entry. -                        (void)snprintf(*reg_data, name_size + 1, "%s", name); -                        found = true; -                    } else { -                        // At this point the reg_data variable contains other JSON paths, likely from the PNP/device section -                        // of the registry that we want to have precedence over this non-device specific section of the registry. -                        // To make sure we avoid enumerating old JSON files/drivers that might be present in the non-device specific -                        // area of the registry when a newer device specific JSON file is present, do a check before adding. -                        // Find the file name, without path, of the JSON file found in the non-device specific registry location. -                        // If the same JSON file name is already found in the list, don't add it again. -                        bool foundDuplicate = false; -                        char *pLastSlashName = strrchr(name, '\\'); -                        if (pLastSlashName != NULL) { -                            char *foundMatch = strstr(*reg_data, pLastSlashName + 1); -                            if (foundMatch != NULL) { -                                foundDuplicate = true; -                            } -                        } - -                        if (foundDuplicate == false) { -                            // Add the new entry to the list. -                            (void)snprintf(*reg_data + strlen(*reg_data), name_size + 2, "%c%s", PATH_SEPARATOR, name); -                            found = true; -                        } else { -                            loader_log( -                                inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                                "Skipping adding of json file \"%s\" from registry \"%s\\%s\" to the list due to duplication", name, -                                hive == DEFAULT_VK_REGISTRY_HIVE ? DEFAULT_VK_REGISTRY_HIVE_STR : SECONDARY_VK_REGISTRY_HIVE_STR, -                                location); -                        } -                    } -                } -            } -            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: -    if (is_driver && dxgi_factory != NULL) { -        dxgi_factory->lpVtbl->Release(dxgi_factory); -    } - -    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 major = 0, minor = 0, patch = 0; -    char *vers_tok; - -    if (!vers_str) { -        return 0; -    } - -    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; -} - -// Get the next unused layer property in the list. Init the property to zero. -static struct loader_layer_properties *loaderGetNextLayerPropertySlot(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, -                       "loaderGetNextLayerPropertySlot: 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, "loaderGetNextLayerPropertySlot: realloc failed for layer list"); -            return NULL; -        } -        layer_list->list = new_ptr; -        memset((uint8_t *)layer_list->list + layer_list->capacity, 0, layer_list->capacity); -        layer_list->capacity *= 2; -    } - -    layer_list->count++; -    return &(layer_list->list[layer_list->count - 1]); -} - -// Search the given layer list for a layer property matching the given layer name -static struct loader_layer_properties *loaderFindLayerProperty(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; -} - -// Search the given layer list for a layer matching the given layer name -static bool loaderFindLayerNameInList(const char *name, const struct loader_layer_list *layer_list) { -    if (NULL == layer_list) { -        return false; -    } -    if (NULL != loaderFindLayerProperty(name, layer_list)) { -        return true; -    } -    return false; -} - -// Search the given meta-layer's component list for a layer matching the given layer name -static bool loaderFindLayerNameInMetaLayer(const struct loader_instance *inst, const char *layer_name, -                                           struct loader_layer_list *layer_list, struct loader_layer_properties *meta_layer_props) { -    for (uint32_t comp_layer = 0; comp_layer < meta_layer_props->num_component_layers; comp_layer++) { -        if (!strcmp(meta_layer_props->component_layer_names[comp_layer], layer_name)) { -            return true; -        } -        struct loader_layer_properties *comp_layer_props = -            loaderFindLayerProperty(meta_layer_props->component_layer_names[comp_layer], layer_list); -        if (comp_layer_props->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) { -            return loaderFindLayerNameInMetaLayer(inst, layer_name, layer_list, comp_layer_props); -        } -    } -    return false; -} - -// Search the override layer's blacklist for a layer matching the given layer name -static bool loaderFindLayerNameInBlacklist(const struct loader_instance *inst, const char *layer_name, -                                           struct loader_layer_list *layer_list, struct loader_layer_properties *meta_layer_props) { -    for (uint32_t black_layer = 0; black_layer < meta_layer_props->num_blacklist_layers; ++black_layer) { -        if (!strcmp(meta_layer_props->blacklist_layer_names[black_layer], layer_name)) { -            return true; -        } -    } -    return false; -} - -// Remove all layer properties entries from the list -void loaderDeleteLayerListAndProperties(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].blacklist_layer_names) { -            loader_instance_heap_free(inst, layer_list->list[i].blacklist_layer_names); -            layer_list->list[i].blacklist_layer_names = NULL; -        } -        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; -        } -        if (NULL != layer_list->list[i].override_paths) { -            loader_instance_heap_free(inst, layer_list->list[i].override_paths); -            layer_list->list[i].override_paths = NULL; -        } -        if (NULL != layer_list->list[i].app_key_paths) { -            loader_instance_heap_free(inst, layer_list->list[i].app_key_paths); -            layer_list->list[i].app_key_paths = 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); -    } -} - -void loaderRemoveLayerInList(const struct loader_instance *inst, struct loader_layer_list *layer_list, uint32_t layer_to_remove) { -    if (layer_list == NULL || layer_to_remove >= layer_list->count) { -        return; -    } -    if (layer_list->list[layer_to_remove].type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) { -        // Delete the component layers -        loader_instance_heap_free(inst, layer_list->list[layer_to_remove].component_layer_names); -        loader_instance_heap_free(inst, layer_list->list[layer_to_remove].override_paths); -        loader_instance_heap_free(inst, layer_list->list[layer_to_remove].blacklist_layer_names); -        loader_instance_heap_free(inst, layer_list->list[layer_to_remove].app_key_paths); -    } - -    // Remove the current invalid meta-layer from the layer list.  Use memmove since we are -    // overlapping the source and destination addresses. -    memmove(&layer_list->list[layer_to_remove], &layer_list->list[layer_to_remove + 1], -            sizeof(struct loader_layer_properties) * (layer_list->count - 1 - layer_to_remove)); - -    // Make sure to clear out the removed layer, in case new layers are added in the previous location -    memset(&layer_list->list[layer_list->count - 1], 0, sizeof(struct loader_layer_properties)); - -    // Decrement the count (because we now have one less) and decrement the loop index since we need to -    // re-check this index. -    layer_list->count--; -} - -// Remove all layers in the layer list that are blacklisted by the override layer. -// NOTE: This should only be called if an override layer is found and not expired. -void loaderRemoveLayersInBlacklist(const struct loader_instance *inst, struct loader_layer_list *layer_list) { -    struct loader_layer_properties *override_prop = loaderFindLayerProperty(VK_OVERRIDE_LAYER_NAME, layer_list); -    if (NULL == override_prop) { -        return; -    } - -    for (int32_t j = 0; j < (int32_t)(layer_list->count); j++) { -        struct loader_layer_properties cur_layer_prop = layer_list->list[j]; -        const char *cur_layer_name = &cur_layer_prop.info.layerName[0]; - -        // Skip the override layer itself. -        if (!strcmp(VK_OVERRIDE_LAYER_NAME, cur_layer_name)) { -            continue; -        } - -        // If found in the override layer's blacklist, remove it -        if (loaderFindLayerNameInBlacklist(inst, cur_layer_name, layer_list, override_prop)) { -            loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, -                       "loaderRemoveLayersInBlacklist: Override layer is active and layer %s is in the blacklist" -                       " inside of it. Removing that layer from current layer list.", -                       cur_layer_name); - -            if (cur_layer_prop.type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) { -                // Delete the component layers -                loader_instance_heap_free(inst, cur_layer_prop.component_layer_names); -                loader_instance_heap_free(inst, cur_layer_prop.override_paths); -                // Never need to free the blacklist, since it can only exist in the override layer -            } - -            // Remove the current invalid meta-layer from the layer list.  Use memmove since we are -            // overlapping the source and destination addresses. -            memmove(&layer_list->list[j], &layer_list->list[j + 1], -                    sizeof(struct loader_layer_properties) * (layer_list->count - 1 - j)); - -            // Decrement the count (because we now have one less) and decrement the loop index since we need to -            // re-check this index. -            layer_list->count--; -            j--; - -            // Re-do the query for the override layer -            override_prop = loaderFindLayerProperty(VK_OVERRIDE_LAYER_NAME, layer_list); -        } -    } -} - -// Remove all layers in the layer list that are not found inside any implicit meta-layers. -void loaderRemoveLayersNotInImplicitMetaLayers(const struct loader_instance *inst, struct loader_layer_list *layer_list) { -    int32_t i; -    int32_t j; -    int32_t layer_count = (int32_t)(layer_list->count); - -    for (i = 0; i < layer_count; i++) { -        layer_list->list[i].keep = false; -    } - -    for (i = 0; i < layer_count; i++) { -        struct loader_layer_properties cur_layer_prop = layer_list->list[i]; - -        if (0 == (cur_layer_prop.type_flags & VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER)) { -            cur_layer_prop.keep = true; -        } else { -            continue; -        } - -        if (cur_layer_prop.type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) { -            for (j = 0; j < layer_count; j++) { -                struct loader_layer_properties layer_to_check = layer_list->list[j]; - -                if (i == j) { -                    continue; -                } - -                // For all layers found in this meta layer, we want to keep them as well. -                if (loaderFindLayerNameInMetaLayer(inst, layer_to_check.info.layerName, layer_list, &cur_layer_prop)) { -                    cur_layer_prop.keep = true; -                } -            } -        } -    } - -    // Remove any layers we don't want to keep (Don't use layer_count here as we need it to be -    // dynamically updated if we delete a layer property in the list). -    for (i = 0; i < (int32_t)(layer_list->count); i++) { -        struct loader_layer_properties cur_layer_prop = layer_list->list[i]; -        if (!cur_layer_prop.keep) { -            loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, -                       "loaderRemoveLayersNotInImplicitMetaLayers : Implicit meta-layers are active, and layer %s is not list" -                       " inside of any.  So removing layer from current layer list.", -                       cur_layer_prop.info.layerName); - -            if (cur_layer_prop.type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) { -                // Delete the component layers -                loader_instance_heap_free(inst, cur_layer_prop.component_layer_names); -                loader_instance_heap_free(inst, cur_layer_prop.override_paths); -            } - -            // Remove the current invalid meta-layer from the layer list.  Use memmove since we are -            // overlapping the source and destination addresses. -            memmove(&layer_list->list[i], &layer_list->list[i + 1], -                    sizeof(struct loader_layer_properties) * (layer_list->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. -            layer_list->count--; -            i--; -        } -    } -} - -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; -} - -// Prototypes needed. -bool loaderAddMetaLayer(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); - -// Manage lists of VkLayerProperties -static bool loaderInitLayerList(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; -} - -// Search the given layer list for a list matching the given VkLayerProperties -bool loaderListHasLayerProperty(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; -} - -void loaderDestroyLayerList(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 loaderAddLayerPropertiesToList(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) { -        if (!loaderInitLayerList(inst, list)) { -            return VK_ERROR_OUT_OF_HOST_MEMORY; -        } -    } - -    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 (loaderListHasLayerProperty(&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, -                           "loaderAddLayerPropertiesToList: 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; -} - -// 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 loaderAddLayerNamesToList(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 = loaderFindLayerProperty(source_name, source_list); -        if (NULL == layer_prop) { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loaderAddLayerNamesToList: 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 (!loaderListHasLayerProperty(&layer_prop->info, output_list)) { -                loaderAddLayerPropertiesToList(inst, output_list, 1, layer_prop); -            } -            if (!loaderListHasLayerProperty(&layer_prop->info, expanded_output_list)) { -                loaderAddLayerPropertiesToList(inst, expanded_output_list, 1, layer_prop); -            } -        } else { -            if (!loaderListHasLayerProperty(&layer_prop->info, output_list) || -                !loaderListHasLayerProperty(&layer_prop->info, expanded_output_list)) { -                loaderAddMetaLayer(inst, layer_prop, output_list, expanded_output_list, source_list); -            } -        } -    } - -    return err; -} - -static bool checkExpiration(const struct loader_instance *inst, const struct loader_layer_properties *prop) { -    time_t current = time(NULL); -    struct tm tm_current = *localtime(¤t); - -    struct tm tm_expiration = { -        .tm_sec = 0, -        .tm_min = prop->expiration.minute, -        .tm_hour = prop->expiration.hour, -        .tm_mday = prop->expiration.day, -        .tm_mon = prop->expiration.month - 1, -        .tm_year = prop->expiration.year - 1900, -        .tm_isdst = tm_current.tm_isdst, -        // wday and yday are ignored by mktime -    }; -    time_t expiration = mktime(&tm_expiration); - -    return current < expiration; -} - -// Determine if the provided implicit layer should be enabled by querying the appropriate environmental variables. -// For an implicit layer, at least a disable environment variable is required. -bool loaderImplicitLayerIsEnabled(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 is always be enabled by default. -    if (prop->enable_env_var.name[0] == 0) { -        enable = true; -    } else { -        // Otherwise, only enable this layer if the enable environment variable is defined -        env_value = loader_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); -    } - -    // The disable_environment has priority over everything else.  If it is defined, the layer is always -    // disabled. -    env_value = loader_getenv(prop->disable_env_var.name, inst); -    if (env_value) { -        enable = false; -    } -    loader_free_getenv(env_value, inst); - -    // If this layer has an expiration, check it to determine if this layer has expired. -    if (prop->has_expiration) { -        enable = checkExpiration(inst, prop); -    } - -    // Enable this layer if it is included in the override layer -    if (inst != NULL && inst->override_layer_present) { -        struct loader_layer_properties *override = NULL; -        for (uint32_t i = 0; i < inst->instance_layer_list.count; ++i) { -            if (strcmp(inst->instance_layer_list.list[i].info.layerName, VK_OVERRIDE_LAYER_NAME) == 0) { -                override = &inst->instance_layer_list.list[i]; -                break; -            } -        } -        if (override != NULL) { -            for (uint32_t i = 0; i < override->num_component_layers; ++i) { -                if (strcmp(override->component_layer_names[i], prop->info.layerName) == 0) { -                    enable = true; -                    break; -                } -            } -        } -    } - -    return enable; -} - -// 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 loaderAddImplicitLayer(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 = loaderImplicitLayerIsEnabled(inst, prop); - -    // If the implicit layer is supposed to be enable, make sure the layer supports at least the same API version -    // that the application is asking (i.e. layer's API >= app's API).  If it's not, disable this layer. -    if (enable) { -        uint16_t layer_api_major_version = VK_VERSION_MAJOR(prop->info.specVersion); -        uint16_t layer_api_minor_version = VK_VERSION_MINOR(prop->info.specVersion); -        if (inst->app_api_major_version > layer_api_major_version || -            (inst->app_api_major_version == layer_api_major_version && inst->app_api_minor_version > layer_api_minor_version)) { -            loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                       "loader_add_implicit_layer: Disabling implicit layer %s for using an old API version %d.%d versus " -                       "application requested %d.%d", -                       prop->info.layerName, layer_api_major_version, layer_api_minor_version, inst->app_api_major_version, -                       inst->app_api_minor_version); -            enable = false; -        } -    } - -    if (enable) { -        if (0 == (prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER)) { -            if (!loaderListHasLayerProperty(&prop->info, target_list)) { -                loaderAddLayerPropertiesToList(inst, target_list, 1, prop); -            } -            if (NULL != expanded_target_list && !loaderListHasLayerProperty(&prop->info, expanded_target_list)) { -                loaderAddLayerPropertiesToList(inst, expanded_target_list, 1, prop); -            } -        } else { -            if (!loaderListHasLayerProperty(&prop->info, target_list) || -                (NULL != expanded_target_list && !loaderListHasLayerProperty(&prop->info, expanded_target_list))) { -                loaderAddMetaLayer(inst, prop, target_list, expanded_target_list, source_list); -            } -        } -    } -} - -// Add the component layers of a meta-layer to the active list of layers -bool loaderAddMetaLayer(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; - -    // If the meta-layer isn't present in the unexpanded list, add it. -    if (!loaderListHasLayerProperty(&prop->info, target_list)) { -        loaderAddLayerPropertiesToList(inst, target_list, 1, prop); -    } - -    // 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 = -            loaderFindLayerProperty(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)) { -                loaderAddImplicitLayer(inst, search_prop, target_list, expanded_target_list, source_list); -            } else { -                if (0 != (search_prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER)) { -                    found = loaderAddMetaLayer(inst, search_prop, target_list, expanded_target_list, source_list); -                } else { -                    // Otherwise, just make sure it hasn't already been added to either list before we add it -                    if (!loaderListHasLayerProperty(&search_prop->info, target_list)) { -                        loaderAddLayerPropertiesToList(inst, target_list, 1, search_prop); -                    } -                    if (NULL != expanded_target_list && !loaderListHasLayerProperty(&search_prop->info, expanded_target_list)) { -                        loaderAddLayerPropertiesToList(inst, expanded_target_list, 1, search_prop); -                    } -                } -            } -        } -        if (!found_comp) { -            loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "loaderAddMetaLayer: 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 && !loaderListHasLayerProperty(&prop->info, target_list)) { -        loaderAddLayerPropertiesToList(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. -VkResult loaderAddLayerNameToList(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) { -    VkResult res = VK_SUCCESS; -    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 (!loaderListHasLayerProperty(&source_prop->info, target_list) && -                    VK_SUCCESS == loaderAddLayerPropertiesToList(inst, target_list, 1, source_prop)) { -                    found = true; -                } -                if (!loaderListHasLayerProperty(&source_prop->info, expanded_target_list) && -                    VK_SUCCESS == loaderAddLayerPropertiesToList(inst, expanded_target_list, 1, source_prop)) { -                    found = true; -                } -            } else { -                found = loaderAddMetaLayer(inst, source_prop, target_list, expanded_target_list, source_list); -            } -        } -    } -    if (!found) { -        if (strcmp(name, "VK_LAYER_LUNARG_standard_validation")) { -            loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "loaderAddLayerNameToList: Failed to find layer name %s to activate", name); -        } else { -            res = VK_ERROR_LAYER_NOT_PRESENT; -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "Layer VK_LAYER_LUNARG_standard_validation has been changed to VK_LAYER_KHRONOS_validation. Please use the " -                       "new version of the layer."); -        } -    } -    return res; -} - -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_utils_AddInstanceExtensions(inst, inst_exts); - -out: -    return res; -} - -struct loader_icd_term *loader_get_icd_and_device(const void *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) || -                    (dev->chain_device != VK_NULL_HANDLE && -                     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) { -        loaderDeactivateLayers(inst, dev, &dev->expanded_activated_layer_list); -    } -    if (NULL != dev->app_activated_layer_list.list) { -        loaderDestroyLayerList(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; -#if defined(VK_USE_PLATFORM_WIN32_KHR) -    PFN_vk_icdEnumerateAdapterPhysicalDevices fp_enum_dxgi_adapter_phys_devs = NULL; -#endif -    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 -#if defined(__Fuchsia__) -    handle = loader_platform_open_driver(filename); -#else -    handle = loader_platform_open_library(filename); -#endif -    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"); -#if defined(VK_USE_PLATFORM_WIN32_KHR) -        if (interface_vers >= 6) { -            fp_enum_dxgi_adapter_phys_devs = loader_platform_get_proc_address(handle, "vk_icdEnumerateAdapterPhysicalDevices"); -        } -#endif -    } - -    // 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; -#if defined(VK_USE_PLATFORM_WIN32_KHR) -    new_scanned_icd->EnumerateAdapterPhysicalDevices = fp_enum_dxgi_adapter_phys_devs; -#endif -    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 mutexes -    loader_platform_thread_create_mutex(&loader_lock); -    loader_platform_thread_create_mutex(&loader_json_lock); -    loader_platform_thread_create_mutex(&loader_preload_icd_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); - -#if defined(_WIN32) -    // This is needed to ensure that newer APIs are available right away -    // and not after the first call that has been statically linked -    LoadLibrary("gdi32.dll"); - -    TCHAR systemPath[MAX_PATH] = ""; -    GetSystemDirectory(systemPath, MAX_PATH); -    StringCchCat(systemPath, MAX_PATH, TEXT("\\dxgi.dll")); -    HMODULE dxgi_module = LoadLibrary(systemPath); -    fpCreateDXGIFactory1 = dxgi_module == NULL ? NULL : -        (PFN_CreateDXGIFactory1)GetProcAddress(dxgi_module, "CreateDXGIFactory1"); -#endif -} - -struct loader_data_files { -    uint32_t count; -    uint32_t alloc_count; -    char **filename_list; -}; - -void loader_release() { -    // Guarantee release of the preloaded ICD libraries. This may have already been called in vkDestroyInstance. -    loader_unload_preloaded_icds(); - -    // release mutexes -    loader_platform_thread_delete_mutex(&loader_lock); -    loader_platform_thread_delete_mutex(&loader_json_lock); -    loader_platform_thread_delete_mutex(&loader_preload_icd_lock); -} - -// Preload the ICD libraries that are likely to be needed so we don't repeatedly load/unload them later -void loader_preload_icds(void) { -    loader_platform_thread_lock_mutex(&loader_preload_icd_lock); - -    // Already preloaded, skip loading again. -    if (scanned_icds.scanned_list != NULL) { -        loader_platform_thread_unlock_mutex(&loader_preload_icd_lock); -        return; -    } - -    memset(&scanned_icds, 0, sizeof(scanned_icds)); -    VkResult result = loader_icd_scan(NULL, &scanned_icds); -    if (result != VK_SUCCESS) { -        loader_scanned_icd_clear(NULL, &scanned_icds); -    } -    loader_platform_thread_unlock_mutex(&loader_preload_icd_lock); -} - -// Release the ICD libraries that were preloaded -void loader_unload_preloaded_icds(void) { -    loader_platform_thread_lock_mutex(&loader_preload_icd_lock); -    loader_scanned_icd_clear(NULL, &scanned_icds); -    loader_platform_thread_unlock_mutex(&loader_preload_icd_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; -    } -    // NOTE: We can't just use fseek(file, 0, SEEK_END) because that isn't guaranteed to be supported on all systems -    do { -        // We're just seeking the end of the file, so this buffer is never used -        char buffer[256]; -        fread(buffer, 1, sizeof(buffer), file); -    } while (!feof(file)); -    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'; - -    // Can't be a valid json if the string is of length zero -    if (len == 0) { -        res = VK_ERROR_INITIALIZATION_FAILED; -        goto out; -    } -    // 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; -} - -// Verify that all component layers in a meta-layer are valid. -static bool verifyMetaLayerComponentLayers(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 (!loaderFindLayerNameInList(prop->component_layer_names[comp_layer], instance_layers)) { -            if (NULL != inst) { -                loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                           "verifyMetaLayerComponentLayers: 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 = -                loaderFindLayerProperty(prop->component_layer_names[comp_layer], instance_layers); -            if (comp_prop == NULL) { -                if (NULL != inst) { -                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "verifyMetaLayerComponentLayers: 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) { -                if (NULL != inst) { -                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "verifyMetaLayerComponentLayers: 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])) { -                if (NULL != inst) { -                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "verifyMetaLayerComponentLayers: 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) { -                if (NULL != inst) { -                    loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                               "verifyMetaLayerComponentLayers: 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 (!verifyMetaLayerComponentLayers(inst, comp_prop, instance_layers)) { -                    if (NULL != inst) { -                        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++) { -                if (NULL != inst) { -                    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++) { -                if (NULL != inst) { -                    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 VerifyAllMetaLayers(struct loader_instance *inst, struct loader_layer_list *instance_layers, -                                bool *override_layer_present) { -    *override_layer_present = false; -    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) && !verifyMetaLayerComponentLayers(inst, prop, instance_layers)) { -            if (NULL != inst) { -                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); -            if (prop->blacklist_layer_names != NULL) { -                loader_instance_heap_free(inst, prop->blacklist_layer_names); -            } -            if (prop->override_paths != NULL) { -                loader_instance_heap_free(inst, prop->override_paths); -            } - -            // 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--; -        } else if (prop->is_override && loaderImplicitLayerIsEnabled(inst, prop)) { -            *override_layer_present = true; -        } -    } -} - -// If the current working directory matches any app_key_path of the layers, remove all other override layers. -// Otherwise if no matching app_key was found, remove all but the global override layer, which has no app_key_path. -static void RemoveAllNonValidOverrideLayers(struct loader_instance *inst, struct loader_layer_list *instance_layers) { -    if (instance_layers == NULL) { -        return; -    } - -    char cur_path[MAX_STRING_SIZE]; -    char *ret = loader_platform_executable_path(cur_path, sizeof(cur_path)); -    if (ret == NULL) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                   "RemoveAllNonValidOverrideLayers: Failed to get executable path and name"); -        return; -    } - -    // Find out if there is an override layer with same the app_key_path as the path to the current executable. -    // If more than one is found, remove it and use the first layer -    // Remove any layers which aren't global and do not have the same app_key_path as the path to the current executable. -    bool found_active_override_layer = false; -    int global_layer_index = -1; -    for (uint32_t i = 0; i < instance_layers->count; i++) { -        struct loader_layer_properties *props = &instance_layers->list[i]; -        if (strcmp(props->info.layerName, VK_OVERRIDE_LAYER_NAME) == 0) { -            if (props->num_app_key_paths > 0) {  // not the global layer -                for (uint32_t j = 0; j < props->num_app_key_paths; j++) { -                    if (strcmp(props->app_key_paths[j], cur_path) == 0) { -                        if (!found_active_override_layer) { -                            found_active_override_layer = true; -                        } else { -                            loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                                       "RemoveAllNonValidOverrideLayers: Multiple override layers where the same" -                                       "path in app_keys was found. Using the first layer found"); - -                            // Remove duplicate active override layers that have the same app_key_path -                            loaderRemoveLayerInList(inst, instance_layers, i); -                            i--; -                        } -                    } -                } -                if (!found_active_override_layer) { -                    // Remove non-global override layers that don't have an app_key that matches cur_path -                    loaderRemoveLayerInList(inst, instance_layers, i); -                    i--; -                } -            } else { -                if (global_layer_index == -1) { -                    global_layer_index = i; -                } else { -                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "RemoveAllNonValidOverrideLayers: Multiple global override layers " -                               "found. Using the first global layer found"); -                    loaderRemoveLayerInList(inst, instance_layers, i); -                    i--; -                } -            } -        } -    } -    // Remove global layer if layer with same the app_key_path as the path to the current executable is found -    if (found_active_override_layer && global_layer_index >= 0) { -        loaderRemoveLayerInList(inst, instance_layers, global_layer_index); -    } -    // Should be at most 1 override layer in the list now. -    if (found_active_override_layer) { -        loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Using the override layer for app key %s", cur_path); -    } else if (global_layer_index >= 0) { -        loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Using the global override layer"); -    } -} - -// 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 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 loaderReadLayerJson(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; -    cJSON *library_path; -    cJSON *component_layers; -    cJSON *override_paths; -    cJSON *blacklisted_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 = loaderGetNextLayerPropertySlot(inst, layer_instance_list); -        if (NULL == props) { -            // Error already triggered in loaderGetNextLayerPropertySlot. -            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; -    } - -    // Expiration date for override layer.  Field starte with JSON file 1.1.2 and -    // is completely optional.  So, no check put in place. -    if (!strcmp(name, VK_OVERRIDE_LAYER_NAME)) { -        cJSON *expiration; - -        if (version.major < 1 && version.minor < 1 && version.patch < 2) { -            loader_log( -                inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                "Override layer expiration date not added until version 1.1.2.  Please update JSON file version appropriately."); -        } - -        props->is_override = true; -        expiration = cJSON_GetObjectItem(layer_node, "expiration_date"); -        if (NULL != expiration) { -            char date_copy[32]; -            uint8_t cur_item = 0; - -            // Get the string for the current item -            temp = cJSON_Print(expiration); -            if (temp == NULL) { -                loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                           "Problem accessing layer value 'expiration_date' in manifest JSON file, skipping this layer"); -                result = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } -            temp[strlen(temp) - 1] = '\0'; -            strcpy(date_copy, &temp[1]); -            cJSON_Free(temp); - -            if (strlen(date_copy) == 16) { -                char *cur_start = &date_copy[0]; -                char *next_dash = strchr(date_copy, '-'); -                if (NULL != next_dash) { -                    while (cur_item < 5 && strlen(cur_start)) { -                        if (next_dash != NULL) { -                            *next_dash = '\0'; -                        } -                        switch (cur_item) { -                            case 0:  // Year -                                props->expiration.year = atoi(cur_start); -                                break; -                            case 1:  // Month -                                props->expiration.month = atoi(cur_start); -                                break; -                            case 2:  // Day -                                props->expiration.day = atoi(cur_start); -                                break; -                            case 3:  // Hour -                                props->expiration.hour = atoi(cur_start); -                                break; -                            case 4:  // Minute -                                props->expiration.minute = atoi(cur_start); -                                props->has_expiration = true; -                                break; -                            default:  // Ignore -                                break; -                        } -                        if (next_dash != NULL) { -                            cur_start = next_dash + 1; -                            next_dash = strchr(cur_start, '-'); -                        } -                        cur_item++; -                    } -                } -            } -        } -    } - -    // 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 -#if defined(DEFAULT_VK_LAYERS_PATH) -                loader_get_fullpath(library_path_str, DEFAULT_VK_LAYERS_PATH, MAX_STRING_SIZE, fullpath); -#else -                loader_get_fullpath(library_path_str, "", MAX_STRING_SIZE, fullpath); -#endif -            } -        } -    } 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; -    } - -    props->num_blacklist_layers = 0; -    props->blacklist_layer_names = NULL; -    blacklisted_layers = cJSON_GetObjectItem(layer_node, "blacklisted_layers"); -    if (blacklisted_layers != NULL) { -        if (strcmp(name, VK_OVERRIDE_LAYER_NAME)) { -            loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "Layer %s contains a blacklist, but a blacklist can only be provided by the override metalayer. " -                       "This blacklist will be ignored.", -                       name); -        } else { -            props->num_blacklist_layers = cJSON_GetArraySize(blacklisted_layers); -            if (props->num_blacklist_layers > 0) { -                // Allocate the blacklist array -                props->blacklist_layer_names = loader_instance_heap_alloc( -                    inst, sizeof(char[MAX_STRING_SIZE]) * props->num_blacklist_layers, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); -                if (props->blacklist_layer_names == NULL) { -                    result = VK_ERROR_OUT_OF_HOST_MEMORY; -                    goto out; -                } - -                // Copy the blacklisted layers into the array -                for (i = 0; i < (int)props->num_blacklist_layers; ++i) { -                    cJSON *black_layer = cJSON_GetArrayItem(blacklisted_layers, i); -                    if (black_layer == NULL) { -                        continue; -                    } -                    temp = cJSON_Print(black_layer); -                    if (temp == NULL) { -                        result = VK_ERROR_OUT_OF_HOST_MEMORY; -                        goto out; -                    } -                    temp[strlen(temp) - 1] = '\0'; -                    strncpy(props->blacklist_layer_names[i], temp + 1, MAX_STRING_SIZE - 1); -                    props->blacklist_layer_names[i][MAX_STRING_SIZE - 1] = '\0'; -                    cJSON_Free(temp); -                } -            } -        } -    } - -    override_paths = cJSON_GetObjectItem(layer_node, "override_paths"); -    if (NULL != override_paths) { -        if (version.major == 1 && (version.minor < 1 || version.patch < 1)) { -            loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "Indicating meta-layer-specific override paths, but using older " -                       "JSON file version."); -        } -        int count = cJSON_GetArraySize(override_paths); -        props->num_override_paths = count; -        if (count > 0) { -            // Allocate buffer for override paths -            props->override_paths = -                loader_instance_heap_alloc(inst, sizeof(char[MAX_STRING_SIZE]) * count, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); -            if (NULL == props->override_paths) { -                result = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } - -            // Copy the override paths into the array -            for (i = 0; i < count; i++) { -                cJSON *override_path = cJSON_GetArrayItem(override_paths, i); -                if (NULL != override_path) { -                    temp = cJSON_Print(override_path); -                    if (NULL == temp) { -                        result = VK_ERROR_OUT_OF_HOST_MEMORY; -                        goto out; -                    } -                    temp[strlen(temp) - 1] = '\0'; -                    strncpy(props->override_paths[i], temp + 1, MAX_STRING_SIZE - 1); -                    props->override_paths[i][MAX_STRING_SIZE - 1] = '\0'; -                    cJSON_Free(temp); -                } -            } -        } -    } - -    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; -    cJSON *app_keys = 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_INFORMATION_BIT_EXT, 0, -                           "Layer \"%s\" using deprecated \'vkGetInstanceProcAddr\' tag which was deprecated starting with JSON " -                           "file version 1.1.0. The new vkNegotiateLoaderLayerInterfaceVersion function is preferred, though for " -                           "compatibility reasons it may be desirable to continue using the deprecated tag.", -                           name); -            } -        } -        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_INFORMATION_BIT_EXT, 0, -                           "Layer \"%s\" using deprecated \'vkGetDeviceProcAddr\' tag which was deprecated starting with JSON " -                           "file version 1.1.0. The new vkNegotiateLoaderLayerInterfaceVersion function is preferred, though for " -                           "compatibility reasons it may be desirable to continue using the deprecated tag.", -                           name); -            } -        } -        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); -                if (inst_ext_name == NULL) { -                    result = VK_ERROR_OUT_OF_HOST_MEMORY; -                    goto out; -                } -                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); -                if (inst_layer_name == NULL) { -                    result = VK_ERROR_OUT_OF_HOST_MEMORY; -                    goto out; -                } -                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); -            } - -            cJSON *inst_version_json = cJSON_GetObjectItem(pre_instance, "vkEnumerateInstanceVersion"); -            if (inst_version_json) { -                char *inst_version_name = cJSON_Print(inst_version_json); -                if (inst_version_json) { -                    result = VK_ERROR_OUT_OF_HOST_MEMORY; -                    goto out; -                } -                size_t len = strlen(inst_version_name) >= MAX_STRING_SIZE ? MAX_STRING_SIZE - 3 : strlen(inst_version_name) - 2; -                strncpy(props->pre_instance_functions.enumerate_instance_version, inst_version_name + 1, len); -                props->pre_instance_functions.enumerate_instance_version[len] = '\0'; -                cJSON_Free(inst_version_name); -            } -        } -    } - -    props->num_app_key_paths = 0; -    props->app_key_paths = NULL; -    app_keys = cJSON_GetObjectItem(layer_node, "app_keys"); -    if (app_keys != NULL) { -        if (strcmp(name, VK_OVERRIDE_LAYER_NAME)) { -            loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "Layer %s contains app_keys, but any app_keys can only be provided by the override metalayer. " -                       "These will be ignored.", -                       name); -        } else { -            props->num_app_key_paths = cJSON_GetArraySize(app_keys); - -            // Allocate the blacklist array -            props->app_key_paths = loader_instance_heap_alloc(inst, sizeof(char[MAX_STRING_SIZE]) * props->num_app_key_paths, -                                                              VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); -            if (props->app_key_paths == NULL) { -                result = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } - -            // Copy the app_key_paths into the array -            for (i = 0; i < (int)props->num_app_key_paths; ++i) { -                cJSON *app_key_path = cJSON_GetArrayItem(app_keys, i); -                if (app_key_path == NULL) { -                    continue; -                } -                temp = cJSON_Print(app_key_path); -                if (temp == NULL) { -                    result = VK_ERROR_OUT_OF_HOST_MEMORY; -                    goto out; -                } -                temp[strlen(temp) - 1] = '\0'; -                strncpy(props->app_key_paths[i], temp + 1, MAX_STRING_SIZE - 1); -                props->app_key_paths[i][MAX_STRING_SIZE - 1] = '\0'; -                cJSON_Free(temp); -            } -        } -    } - -    result = VK_SUCCESS; - -out: -#undef GET_JSON_ITEM -#undef GET_JSON_OBJECT - -    if (VK_SUCCESS != result && NULL != props) { -        if (NULL != props->blacklist_layer_names) { -            loader_instance_heap_free(inst, props->blacklist_layer_names); -        } -        if (NULL != props->component_layer_names) { -            loader_instance_heap_free(inst, props->component_layer_names); -        } -        if (NULL != props->override_paths) { -            loader_instance_heap_free(inst, props->override_paths); -        } -        if (NULL != props->app_key_paths) { -            loader_instance_heap_free(inst, props->app_key_paths); -        } -        props->num_blacklist_layers = 0; -        props->blacklist_layer_names = NULL; -        props->num_component_layers = 0; -        props->component_layer_names = NULL; -        props->num_override_paths = 0; -        props->override_paths = NULL; -        props->num_app_key_paths = 0; -        props->app_key_paths = NULL; -    } - -    return result; -} - -static inline bool isValidLayerJsonVersion(const layer_json_version *layer_json) { -    // Supported versions are: 1.0.0, 1.0.1, and 1.1.0 - 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 layerJsonSupportsMultipleLayers(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; -} - -// 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 loaderAddLayerProperties(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; -    // Make sure sure the top level json value is an object -    if (!json || json->type != 6) { -        goto out; -    } -    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 (!isValidLayerJsonVersion(&json_version)) { -        loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                   "loaderAddLayerProperties: %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 (!layerJsonSupportsMultipleLayers(&json_version)) { -            loader_log( -                inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                "loaderAddLayerProperties: \'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, -                           "loaderAddLayerProperties: Can not find 'layers' array element %d object in manifest JSON file %s.  " -                           "Skipping this file", -                           curLayer, filename); -                goto out; -            } -            result = loaderReadLayerJson(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, -                       "loaderAddLayerProperties: 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 && layerJsonSupportsMultipleLayers(&json_version)) { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "loaderAddLayerProperties: Multiple 'layer' nodes are deprecated starting in file version \"1.0.1\".  " -                       "Please use 'layers' : [] array instead in %s.", -                       filename); -        } else { -            do { -                result = loaderReadLayerJson(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; -} - -static inline size_t DetermineDataFilePathSize(const char *cur_path, size_t relative_path_size) { -    size_t path_size = 0; - -    if (NULL != cur_path) { -        // For each folder in cur_path, (detected by finding additional -        // path separators in the string) we need to add the relative path on -        // the end.  Plus, leave an additional two slots on the end to add an -        // additional directory slash and path separator if needed -        path_size += strlen(cur_path) + relative_path_size + 2; -        for (const char *x = cur_path; *x; ++x) { -            if (*x == PATH_SEPARATOR) { -                path_size += relative_path_size + 2; -            } -        } -    } - -    return path_size; -} - -static inline void CopyDataFilePath(const char *cur_path, const char *relative_path, size_t relative_path_size, -                                    char **output_path) { -    if (NULL != cur_path) { -        uint32_t start = 0; -        uint32_t stop = 0; -        char *cur_write = *output_path; - -        while (cur_path[start] != '\0') { -            while (cur_path[start] == PATH_SEPARATOR) { -                start++; -            } -            stop = start; -            while (cur_path[stop] != PATH_SEPARATOR && cur_path[stop] != '\0') { -                stop++; -            } -            const size_t s = stop - start; -            if (s) { -                memcpy(cur_write, &cur_path[start], s); -                cur_write += s; - -                // If last symbol written was not a directory symbol, add it. -                if (*(cur_write - 1) != DIRECTORY_SYMBOL) { -                    *cur_write++ = DIRECTORY_SYMBOL; -                } - -                if (relative_path_size > 0) { -                    memcpy(cur_write, relative_path, relative_path_size); -                    cur_write += relative_path_size; -                } -                *cur_write++ = PATH_SEPARATOR; -                start = stop; -            } -        } -        *output_path = cur_write; -    } -} - -// Check to see if there's enough space in the data file list.  If not, add some. -static inline VkResult CheckAndAdjustDataFileList(const struct loader_instance *inst, struct loader_data_files *out_files) { -    if (out_files->count == 0) { -        out_files->filename_list = loader_instance_heap_alloc(inst, 64 * sizeof(char *), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -        if (NULL == out_files->filename_list) { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "CheckAndAdjustDataFileList: Failed to allocate space for manifest file name list"); -            return VK_ERROR_OUT_OF_HOST_MEMORY; -        } -        out_files->alloc_count = 64; -    } else if (out_files->count == out_files->alloc_count) { -        size_t new_size = out_files->alloc_count * sizeof(char *) * 2; -        void *new_ptr = loader_instance_heap_realloc(inst, out_files->filename_list, out_files->alloc_count * sizeof(char *), -                                                     new_size, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -        if (NULL == new_ptr) { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "CheckAndAdjustDataFileList: Failed to reallocate space for manifest file name list"); -            return VK_ERROR_OUT_OF_HOST_MEMORY; -        } -        out_files->filename_list = new_ptr; -        out_files->alloc_count *= 2; -    } - -    return VK_SUCCESS; -} - -// If the file found is a manifest file name, add it to the out_files manifest list. -static VkResult AddIfManifestFile(const struct loader_instance *inst, const char *file_name, struct loader_data_files *out_files) { -    VkResult vk_result = VK_SUCCESS; - -    if (NULL == file_name || NULL == out_files) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "AddIfManfistFile: Received NULL pointer"); -        vk_result = VK_ERROR_INITIALIZATION_FAILED; -        goto out; -    } - -    // Look for files ending with ".json" suffix -    size_t name_len = strlen(file_name); -    const char *name_suffix = file_name + name_len - 5; -    if ((name_len < 5) || 0 != strncmp(name_suffix, ".json", 5)) { -        // Use incomplete to indicate invalid name, but to keep going. -        vk_result = VK_INCOMPLETE; -        goto out; -    } - -    // Check and allocate space in the manifest list if necessary -    vk_result = CheckAndAdjustDataFileList(inst, out_files); -    if (VK_SUCCESS != vk_result) { -        goto out; -    } - -    out_files->filename_list[out_files->count] = -        loader_instance_heap_alloc(inst, strlen(file_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, "AddIfManfistFile: Failed to allocate space for manifest file %d list", -                   out_files->count); -        vk_result = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } - -    strcpy(out_files->filename_list[out_files->count++], file_name); - -out: - -    return vk_result; -} - -static VkResult AddDataFilesInPath(const struct loader_instance *inst, char *search_path, bool is_directory_list, -                                   struct loader_data_files *out_files, bool use_first_found_manifest) { -    VkResult vk_result = VK_SUCCESS; -    DIR *dir_stream = NULL; -    struct dirent *dir_entry; -    char *cur_file; -    char *next_file; -    char *name; -    char full_path[2048]; -#ifndef _WIN32 -    char temp_path[2048]; -#endif - -    // Now, parse the paths -    next_file = search_path; -    while (NULL != next_file && *next_file != '\0') { -        name = NULL; -        cur_file = next_file; -        next_file = loader_get_next_path(cur_file); - -        // Get the next name in the list and verify it's valid -        if (is_directory_list) { -            dir_stream = opendir(cur_file); -            if (NULL == dir_stream) { -                continue; -            } -            while (1) { -                dir_entry = readdir(dir_stream); -                if (NULL == dir_entry) { -                    break; -                } - -                name = &(dir_entry->d_name[0]); -                loader_get_fullpath(name, cur_file, sizeof(full_path), full_path); -                name = full_path; - -                VkResult local_res; -                local_res = AddIfManifestFile(inst, name, out_files); - -                // Incomplete means this was not a valid data file. -                if (local_res == VK_INCOMPLETE) { -                    continue; -                } else if (local_res != VK_SUCCESS) { -                    vk_result = local_res; -                    break; -                } -            } -            closedir(dir_stream); -            if (vk_result != VK_SUCCESS) { -                goto out; -            } -        } else { -#ifdef _WIN32 -            name = cur_file; -#else -            // Only Linux has relative paths, make a copy of location so it isn't modified -            size_t str_len; -            if (NULL != next_file) { -                str_len = next_file - cur_file + 1; -            } else { -                str_len = strlen(cur_file) + 1; -            } -            if (str_len > sizeof(temp_path)) { -                loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "AddDataFilesInPath: Path to %s too long\n", cur_file); -                continue; -            } -            strcpy(temp_path, cur_file); -            name = temp_path; -#endif -            loader_get_fullpath(cur_file, name, sizeof(full_path), full_path); -            name = full_path; - -            VkResult local_res; -            local_res = AddIfManifestFile(inst, name, out_files); - -            // Incomplete means this was not a valid data file. -            if (local_res == VK_INCOMPLETE) { -                continue; -            } else if (local_res != VK_SUCCESS) { -                vk_result = local_res; -                break; -            } -        } -        if (use_first_found_manifest && out_files->count > 0) { -            break; -        } -    } - -out: - -    return vk_result; -} - -// Look for data files in the provided paths, but first check the environment override to determine if we should use that -// instead. -static VkResult ReadDataFilesInSearchPaths(const struct loader_instance *inst, enum loader_data_files_type data_file_type, -                                           const char *env_override, const char *path_override, const char *relative_location, -                                           bool *override_active, struct loader_data_files *out_files) { -    VkResult vk_result = VK_SUCCESS; -    bool is_directory_list = true; -    bool is_icd = (data_file_type == LOADER_DATA_FILE_MANIFEST_ICD); -    char *override_env = NULL; -    const char *override_path = NULL; -    size_t search_path_size = 0; -    char *search_path = NULL; -    char *cur_path_ptr = NULL; -    size_t rel_size = 0; -    bool use_first_found_manifest = false; -#ifndef _WIN32 -    bool xdgconfig_alloc = true; -    bool xdgdata_alloc = true; -#endif - -#ifndef _WIN32 -    // Determine how much space is needed to generate the full search path -    // for the current manifest files. -    char *xdgconfdirs = loader_secure_getenv("XDG_CONFIG_DIRS", inst); -    char *xdgdatadirs = loader_secure_getenv("XDG_DATA_DIRS", inst); -    char *xdgdatahome = loader_secure_getenv("XDG_DATA_HOME", inst); -    char *home = NULL; -    char* home_root = NULL; - -    if (xdgconfdirs == NULL) { -        xdgconfig_alloc = false; -    } -    if (xdgdatadirs == NULL) { -        xdgdata_alloc = false; -    } -#if !defined(__Fuchsia__) -    if (xdgconfdirs == NULL || xdgconfdirs[0] == '\0') { -        xdgconfdirs = FALLBACK_CONFIG_DIRS; -    } -    if (xdgdatadirs == NULL || xdgdatadirs[0] == '\0') { -        xdgdatadirs = FALLBACK_DATA_DIRS; -    } -#endif - -    // Only use HOME if XDG_DATA_HOME is not present on the system -    if (NULL == xdgdatahome) { -        home = loader_secure_getenv("HOME", inst); -        if (home != NULL) { -            home_root = loader_instance_heap_alloc(inst, strlen(home) + 14, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -            if (home_root == NULL) { -                vk_result = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } -            strcpy(home_root, home); -            strcat(home_root, "/.local/share"); -        } -    } -#endif - -    if (path_override != NULL) { -        override_path = path_override; -    } else if (env_override != NULL) { -#ifndef _WIN32 -        if (geteuid() != getuid() || getegid() != getgid()) { -            // Don't allow setuid apps to use the env var: -            env_override = NULL; -        } else -#endif -        { -            override_env = loader_secure_getenv(env_override, inst); - -            // The ICD override is actually a specific list of filenames, not directories -            if (is_icd && NULL != override_env) { -                is_directory_list = false; -            } -            override_path = override_env; -        } -    } - -    // Add two by default for NULL terminator and one path separator on end (just in case) -    search_path_size = 2; - -    // If there's an override, use that (and the local folder if required) and nothing else -    if (NULL != override_path) { -        // Local folder and null terminator -        search_path_size += strlen(override_path) + 1; -    } else if (NULL == relative_location) { -        // If there's no override, and no relative location, bail out.  This is usually -        // the case when we're on Windows and the default path is to use the registry. -        goto out; -    } else { -        // Add the general search folders (with the appropriate relative folder added) -        rel_size = strlen(relative_location); -        if (rel_size == 0) { -            goto out; -        } else { -#if defined(__APPLE__) -            search_path_size += MAXPATHLEN; -#endif -#ifndef _WIN32 -            search_path_size += DetermineDataFilePathSize(xdgconfdirs, rel_size); -            search_path_size += DetermineDataFilePathSize(xdgdatadirs, rel_size); -            search_path_size += DetermineDataFilePathSize(SYSCONFDIR, rel_size); -#if defined(EXTRASYSCONFDIR) -            search_path_size += DetermineDataFilePathSize(EXTRASYSCONFDIR, rel_size); -#endif -            if (is_directory_list) { -                if (!IsHighIntegrity()) { -                    search_path_size += DetermineDataFilePathSize(xdgdatahome, rel_size); -                    search_path_size += DetermineDataFilePathSize(home_root, rel_size); -                } -            } -#endif -        } -    } - -    // Allocate the required space -    search_path = loader_instance_heap_alloc(inst, search_path_size, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -    if (NULL == search_path) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                   "ReadDataFilesInSearchPaths: Failed to allocate space for search path of length %d", (uint32_t)search_path_size); -        vk_result = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } - -    cur_path_ptr = search_path; - -    // Add the remaining paths to the list -    if (NULL != override_path) { -        strcpy(cur_path_ptr, override_path); -    } else { -#ifndef _WIN32 -        if (rel_size > 0) { -#if defined(__APPLE__) -            // Add the bundle's Resources dir to the beginning of the search path. -            // Looks for manifests in the bundle first, before any system directories. -            CFBundleRef main_bundle = CFBundleGetMainBundle(); -            if (NULL != main_bundle) { -                CFURLRef ref = CFBundleCopyResourcesDirectoryURL(main_bundle); -                if (NULL != ref) { -                    if (CFURLGetFileSystemRepresentation(ref, TRUE, (UInt8 *)cur_path_ptr, search_path_size)) { -                        cur_path_ptr += strlen(cur_path_ptr); -                        *cur_path_ptr++ = DIRECTORY_SYMBOL; -                        memcpy(cur_path_ptr, relative_location, rel_size); -                        cur_path_ptr += rel_size; -                        *cur_path_ptr++ = PATH_SEPARATOR; -                        // only for ICD manifests -                        if (env_override != NULL && strcmp(VK_ICD_FILENAMES_ENV_VAR, env_override) == 0) { -                            use_first_found_manifest = true; -                        } -                    } -                    CFRelease(ref); -                } -            } -#endif -            CopyDataFilePath(xdgconfdirs, relative_location, rel_size, &cur_path_ptr); -            CopyDataFilePath(SYSCONFDIR, relative_location, rel_size, &cur_path_ptr); -#if defined(EXTRASYSCONFDIR) -            CopyDataFilePath(EXTRASYSCONFDIR, relative_location, rel_size, &cur_path_ptr); -#endif -            CopyDataFilePath(xdgdatadirs, relative_location, rel_size, &cur_path_ptr); -            if (is_directory_list) { -                CopyDataFilePath(xdgdatahome, relative_location, rel_size, &cur_path_ptr); -                CopyDataFilePath(home_root, relative_location, rel_size, &cur_path_ptr); -            } -        } - -        // Remove the last path separator -        --cur_path_ptr; - -        assert(cur_path_ptr - search_path < (ptrdiff_t)search_path_size); -        *cur_path_ptr = '\0'; -#endif -    } - -    // Remove duplicate paths, or it would result in duplicate extensions, duplicate devices, etc. -    // This uses minimal memory, but is O(N^2) on the number of paths. Expect only a few paths. -    char path_sep_str[2] = {PATH_SEPARATOR, '\0'}; -    size_t search_path_updated_size = strlen(search_path); -    for (size_t first = 0; first < search_path_updated_size;) { -        // If this is an empty path, erase it -        if (search_path[first] == PATH_SEPARATOR) { -            memmove(&search_path[first], &search_path[first + 1], search_path_updated_size - first + 1); -            search_path_updated_size -= 1; -            continue; -        } - -        size_t first_end = first + 1; -        first_end += strcspn(&search_path[first_end], path_sep_str); -        for (size_t second = first_end + 1; second < search_path_updated_size;) { -            size_t second_end = second + 1; -            second_end += strcspn(&search_path[second_end], path_sep_str); -            if (first_end - first == second_end - second && -                !strncmp(&search_path[first], &search_path[second], second_end - second)) { -                // Found duplicate. Include PATH_SEPARATOR in second_end, then erase it from search_path. -                if (search_path[second_end] == PATH_SEPARATOR) { -                    second_end++; -                } -                memmove(&search_path[second], &search_path[second_end], search_path_updated_size - second_end + 1); -                search_path_updated_size -= second_end - second; -            } else { -                second = second_end + 1; -            } -        } -        first = first_end + 1; -    } -    search_path_size = search_path_updated_size; - -    // Print out the paths being searched if debugging is enabled -    if (search_path_size > 0) { -        loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, -                   "ReadDataFilesInSearchPaths: Searching the following paths for manifest files: %s\n", search_path); -    } - -    // Now, parse the paths and add any manifest files found in them. -    vk_result = AddDataFilesInPath(inst, search_path, is_directory_list, out_files, use_first_found_manifest); - -    if (NULL != override_path) { -        *override_active = true; -    } else { -        *override_active = false; -    } - -out: - -    if (NULL != override_env) { -        loader_free_getenv(override_env, inst); -    } -#ifndef _WIN32 -    if (xdgconfig_alloc) { -        loader_free_getenv(xdgconfdirs, inst); -    } -    if (xdgdata_alloc) { -        loader_free_getenv(xdgdatadirs, inst); -    } -    if (NULL != xdgdatahome) { -        loader_free_getenv(xdgdatahome, inst); -    } -    if (NULL != home) { -        loader_free_getenv(home, inst); -    } -    if (NULL != home_root) { -        loader_instance_heap_free(inst, home_root); -    } -#endif - -    if (NULL != search_path) { -        loader_instance_heap_free(inst, search_path); -    } - -    return vk_result; -} - -#ifdef _WIN32 -// Read manifest JSON files using the Windows driver interface -static VkResult ReadManifestsFromD3DAdapters(const struct loader_instance *inst, char **reg_data, PDWORD reg_data_size, -                                             const wchar_t *value_name) { -    VkResult result = VK_INCOMPLETE; -    LoaderEnumAdapters2 adapters = {.adapter_count = 0, .adapters = NULL}; -    LoaderQueryRegistryInfo *full_info = NULL; -    size_t full_info_size = 0; -    char *json_path = NULL; -    size_t json_path_size = 0; - -    PFN_LoaderEnumAdapters2 fpLoaderEnumAdapters2 = -        (PFN_LoaderEnumAdapters2)GetProcAddress(GetModuleHandle("gdi32.dll"), "D3DKMTEnumAdapters2"); -    PFN_LoaderQueryAdapterInfo fpLoaderQueryAdapterInfo = -        (PFN_LoaderQueryAdapterInfo)GetProcAddress(GetModuleHandle("gdi32.dll"), "D3DKMTQueryAdapterInfo"); -    if (fpLoaderEnumAdapters2 == NULL || fpLoaderQueryAdapterInfo == NULL) { -        result = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } - -    // Get all of the adapters -    NTSTATUS status = fpLoaderEnumAdapters2(&adapters); -    if (status == STATUS_SUCCESS && adapters.adapter_count > 0) { -        adapters.adapters = loader_instance_heap_alloc(inst, sizeof(*adapters.adapters) * adapters.adapter_count, -                                                       VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -        if (adapters.adapters == NULL) { -            goto out; -        } -        status = fpLoaderEnumAdapters2(&adapters); -    } -    if (status != STATUS_SUCCESS) { -        goto out; -    } - -    // If that worked, we need to get the manifest file(s) for each adapter -    for (ULONG i = 0; i < adapters.adapter_count; ++i) { -        // The first query should just check if the field exists and how big it is -        LoaderQueryRegistryInfo filename_info = { -            .query_type = LOADER_QUERY_REGISTRY_ADAPTER_KEY, -            .query_flags = -                { -                    .translate_path = true, -                }, -            .value_type = REG_MULTI_SZ, -            .physical_adapter_index = 0, -        }; -        wcsncpy(filename_info.value_name, value_name, sizeof(filename_info.value_name) / sizeof(WCHAR)); -        LoaderQueryAdapterInfo query_info = { -            .handle = adapters.adapters[i].handle, -            .type = LOADER_QUERY_TYPE_REGISTRY, -            .private_data = &filename_info, -            .private_data_size = sizeof(filename_info), -        }; -        status = fpLoaderQueryAdapterInfo(&query_info); - -        // This error indicates that the type didn't match, so we'll try a REG_SZ -        if (status != STATUS_SUCCESS) { -            filename_info.value_type = REG_SZ; -            status = fpLoaderQueryAdapterInfo(&query_info); -        } - -        if (status != STATUS_SUCCESS || filename_info.status != LOADER_QUERY_REGISTRY_STATUS_BUFFER_OVERFLOW) { -            continue; -        } - -        while (status == STATUS_SUCCESS && -               ((LoaderQueryRegistryInfo *)query_info.private_data)->status == LOADER_QUERY_REGISTRY_STATUS_BUFFER_OVERFLOW) { -            bool needs_copy = (full_info == NULL); -            size_t full_size = sizeof(LoaderQueryRegistryInfo) + filename_info.output_value_size; -            void *buffer = -                loader_instance_heap_realloc(inst, full_info, full_info_size, full_size, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -            if (buffer == NULL) { -                result = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } -            full_info = buffer; -            full_info_size = full_size; - -            if (needs_copy) { -                memcpy(full_info, &filename_info, sizeof(LoaderQueryRegistryInfo)); -            } -            query_info.private_data = full_info; -            query_info.private_data_size = (UINT)full_info_size; -            status = fpLoaderQueryAdapterInfo(&query_info); -        } - -        if (status != STATUS_SUCCESS || full_info->status != LOADER_QUERY_REGISTRY_STATUS_SUCCESS) { -            goto out; -        } - -        // Convert the wide string to a narrow string -        void *buffer = loader_instance_heap_realloc(inst, json_path, json_path_size, full_info->output_value_size, -                                                    VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -        if (buffer == NULL) { -            result = VK_ERROR_OUT_OF_HOST_MEMORY; -            goto out; -        } -        json_path = buffer; -        json_path_size = full_info->output_value_size; - -        // Iterate over each component string -        for (const wchar_t *curr_path = full_info->output_string; curr_path[0] != '\0'; curr_path += wcslen(curr_path) + 1) { -            WideCharToMultiByte(CP_UTF8, 0, curr_path, -1, json_path, (int)json_path_size, NULL, NULL); - -            // Add the string to the output list -            result = VK_SUCCESS; -            loaderAddJsonEntry(inst, reg_data, reg_data_size, (LPCTSTR)L"EnumAdapters", REG_SZ, json_path, -                               (DWORD)strlen(json_path) + 1, &result); -            if (result != VK_SUCCESS) { -                goto out; -            } - -            // If this is a string and not a multi-string, we don't want to go throught the loop more than once -            if (full_info->value_type == REG_SZ) { -                break; -            } -        } -    } - -out: -    if (json_path != NULL) { -        loader_instance_heap_free(inst, json_path); -    } -    if (full_info != NULL) { -        loader_instance_heap_free(inst, full_info); -    } -    if (adapters.adapters != NULL) { -        loader_instance_heap_free(inst, adapters.adapters); -    } - -    return result; -} - -// Look for data files in the registry. -static VkResult ReadDataFilesInRegistry(const struct loader_instance *inst, enum loader_data_files_type data_file_type, -                                        bool warn_if_not_present, char *registry_location, struct loader_data_files *out_files) { -    VkResult vk_result = VK_SUCCESS; -    char *search_path = NULL; - -    // These calls look at the PNP/Device section of the registry. -    VkResult regHKR_result = VK_SUCCESS; -    DWORD reg_size = 4096; -    if (!strncmp(registry_location, VK_DRIVERS_INFO_REGISTRY_LOC, sizeof(VK_DRIVERS_INFO_REGISTRY_LOC))) { -        // If we're looking for drivers we need to try enumerating adapters -        regHKR_result = ReadManifestsFromD3DAdapters(inst, &search_path, ®_size, LoaderPnpDriverRegistryWide()); -        if (regHKR_result == VK_INCOMPLETE) { -            regHKR_result = loaderGetDeviceRegistryFiles(inst, &search_path, ®_size, LoaderPnpDriverRegistry()); -        } -    } else if (!strncmp(registry_location, VK_ELAYERS_INFO_REGISTRY_LOC, sizeof(VK_ELAYERS_INFO_REGISTRY_LOC))) { -        regHKR_result = ReadManifestsFromD3DAdapters(inst, &search_path, ®_size, LoaderPnpELayerRegistryWide()); -        if (regHKR_result == VK_INCOMPLETE) { -            regHKR_result = loaderGetDeviceRegistryFiles(inst, &search_path, ®_size, LoaderPnpELayerRegistry()); -        } -    } else if (!strncmp(registry_location, VK_ILAYERS_INFO_REGISTRY_LOC, sizeof(VK_ILAYERS_INFO_REGISTRY_LOC))) { -        regHKR_result = ReadManifestsFromD3DAdapters(inst, &search_path, ®_size, LoaderPnpILayerRegistryWide()); -        if (regHKR_result == VK_INCOMPLETE) { -            regHKR_result = loaderGetDeviceRegistryFiles(inst, &search_path, ®_size, LoaderPnpILayerRegistry()); -        } -    } - -    // This call looks into the Khronos non-device specific section of the registry. -    bool use_secondary_hive = (data_file_type == LOADER_DATA_FILE_MANIFEST_LAYER) && (!IsHighIntegrity()); -    VkResult reg_result = loaderGetRegistryFiles(inst, registry_location, use_secondary_hive, &search_path, ®_size); - -    if ((VK_SUCCESS != reg_result && VK_SUCCESS != regHKR_result) || NULL == search_path) { -        if (data_file_type == LOADER_DATA_FILE_MANIFEST_ICD) { -            loader_log( -                inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                "ReadDataFilesInRegistry: Registry lookup failed to get ICD manifest files.  Possibly missing Vulkan driver?"); -            if (VK_SUCCESS == reg_result || VK_ERROR_OUT_OF_HOST_MEMORY == reg_result) { -                vk_result = reg_result; -            } else { -                vk_result = regHKR_result; -            } -        } else { -            if (warn_if_not_present) { -                if (data_file_type == LOADER_DATA_FILE_MANIFEST_LAYER) { -                    // This is only a warning for layers -                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "ReadDataFilesInRegistry: Registry lookup failed to get layer manifest files."); -                } else { -                    // This is only a warning for general data files -                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "ReadDataFilesInRegistry: Registry lookup failed to get data files."); -                } -            } -            if (reg_result == VK_ERROR_OUT_OF_HOST_MEMORY) { -                vk_result = reg_result; -            } else { -                // Return success for now since it's not critical for layers -                vk_result = VK_SUCCESS; -            } -        } -        goto out; -    } - -    // Now, parse the paths and add any manifest files found in them. -    vk_result = AddDataFilesInPath(inst, search_path, false, out_files, false); - -out: - -    if (NULL != search_path) { -        loader_instance_heap_free(inst, search_path); -    } - -    return vk_result; -} -#endif  // _WIN32 - -// 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 loaderGetDataFiles(const struct loader_instance *inst, enum loader_data_files_type data_file_type, -                                   bool warn_if_not_present, const char *env_override, const char *path_override, -                                   char *registry_location, const char *relative_location, struct loader_data_files *out_files) { -    VkResult res = VK_SUCCESS; -    bool override_active = false; - -    // Free and init the out_files information so there's no false data left from uninitialized variables. -    if (out_files->filename_list != NULL) { -        for (uint32_t i = 0; i < out_files->count; i++) { -            if (NULL != out_files->filename_list[i]) { -                loader_instance_heap_free(inst, out_files->filename_list[i]); -                out_files->filename_list[i] = NULL; -            } -        } -        loader_instance_heap_free(inst, out_files->filename_list); -    } -    out_files->count = 0; -    out_files->alloc_count = 0; -    out_files->filename_list = NULL; - -    res = ReadDataFilesInSearchPaths(inst, data_file_type, env_override, path_override, relative_location, &override_active, -                                     out_files); -    if (VK_SUCCESS != res) { -        goto out; -    } - -#ifdef _WIN32 -    // Read the registry if the override wasn't active. -    if (!override_active) { -        res = ReadDataFilesInRegistry(inst, data_file_type, warn_if_not_present, registry_location, out_files); -        if (VK_SUCCESS != res) { -            goto out; -        } -    } -#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->alloc_count = 0; -        out_files->filename_list = NULL; -    } - -    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_data_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_data_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 = loaderGetDataFiles(inst, LOADER_DATA_FILE_MANIFEST_ICD, true, VK_ICD_FILENAMES_ENV_VAR, NULL, -                             VK_DRIVERS_INFO_REGISTRY_LOC, VK_DRIVERS_INFO_RELATIVE_DIR, &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) { -                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", library_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 -#if defined(DEFAULT_VK_DRIVERS_PATH) -                    loader_get_fullpath(library_path, DEFAULT_VK_DRIVERS_PATH, sizeof(fullpath), fullpath); -#else -                        loader_get_fullpath(library_path, "", sizeof(fullpath), fullpath); -#endif -                } - -                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 loaderScanForLayers(struct loader_instance *inst, struct loader_layer_list *instance_layers) { -    char *file_str; -    struct loader_data_files manifest_files; -    cJSON *json; -    bool override_layer_valid = false; -    char *override_paths = NULL; -    uint32_t total_count = 0; - -    memset(&manifest_files, 0, sizeof(struct loader_data_files)); - -    // Cleanup any previously scanned libraries -    loaderDeleteLayerListAndProperties(inst, instance_layers); - -    loader_platform_thread_lock_mutex(&loader_json_lock); - -    // 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 != loaderGetDataFiles(inst, LOADER_DATA_FILE_MANIFEST_LAYER, false, NULL, NULL, VK_ILAYERS_INFO_REGISTRY_LOC, -                                         VK_ILAYERS_INFO_RELATIVE_DIR, &manifest_files)) { -        goto out; -    } - -    if (manifest_files.count != 0) { -        total_count += manifest_files.count; -        for (uint32_t i = 0; i < manifest_files.count; i++) { -            file_str = manifest_files.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) { -                goto out; -            } else if (VK_SUCCESS != res || NULL == json) { -                continue; -            } - -            VkResult local_res = loaderAddLayerProperties(inst, instance_layers, json, true, file_str); -            cJSON_Delete(json); - -            // If the error is anything other than out of memory we still want to try to load the other layers -            if (VK_ERROR_OUT_OF_HOST_MEMORY == local_res) { -                goto out; -            } -        } -    } - -    // Remove any extraneous override layers. -    RemoveAllNonValidOverrideLayers(inst, instance_layers); - -    // Check to see if the override layer is present, and use it's override paths. -    for (int32_t i = 0; i < (int32_t)instance_layers->count; i++) { -        struct loader_layer_properties *prop = &instance_layers->list[i]; -        if (prop->is_override && loaderImplicitLayerIsEnabled(inst, prop) && prop->num_override_paths > 0) { -            char *cur_write_ptr = NULL; -            size_t override_path_size = 0; -            for (uint32_t j = 0; j < prop->num_override_paths; j++) { -                override_path_size += DetermineDataFilePathSize(prop->override_paths[j], 0); -            } -            override_paths = loader_instance_heap_alloc(inst, override_path_size, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -            if (override_paths == NULL) { -                goto out; -            } -            cur_write_ptr = &override_paths[0]; -            for (uint32_t j = 0; j < prop->num_override_paths; j++) { -                CopyDataFilePath(prop->override_paths[j], NULL, 0, &cur_write_ptr); -            } -            // Remove the last path separator -            --cur_write_ptr; -            assert(cur_write_ptr - override_paths < (ptrdiff_t)override_path_size); -            *cur_write_ptr = '\0'; -            loader_log(NULL, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "loaderScanForLayers: Override layer has override paths set to %s", -                       override_paths); -        } -    } - -    // Get a list of manifest files for explicit layers -    if (VK_SUCCESS != loaderGetDataFiles(inst, LOADER_DATA_FILE_MANIFEST_LAYER, true, VK_LAYER_PATH_ENV_VAR, override_paths, -                                         VK_ELAYERS_INFO_REGISTRY_LOC, VK_ELAYERS_INFO_RELATIVE_DIR, &manifest_files)) { -        goto out; -    } - -    // Make sure we have at least one layer, if not, go ahead and return -    if (manifest_files.count == 0 && total_count == 0) { -        goto out; -    } else { -        total_count += manifest_files.count; -        for (uint32_t i = 0; i < manifest_files.count; i++) { -            file_str = manifest_files.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) { -                goto out; -            } else if (VK_SUCCESS != res || NULL == json) { -                continue; -            } - -            VkResult local_res = loaderAddLayerProperties(inst, instance_layers, json, false, file_str); -            cJSON_Delete(json); - -            // If the error is anything other than out of memory we still want to try to load the other layers -            if (VK_ERROR_OUT_OF_HOST_MEMORY == local_res) { -                goto out; -            } -        } -    } - -    // Verify any meta-layers in the list are valid and all the component layers are -    // actually present in the available layer list -    VerifyAllMetaLayers(inst, instance_layers, &override_layer_valid); - -    if (override_layer_valid) { -        loaderRemoveLayersInBlacklist(inst, instance_layers); -        if (NULL != inst) { -            inst->override_layer_present = true; -        } -    } - -out: - -    if (NULL != override_paths) { -        loader_instance_heap_free(inst, override_paths); -    } -    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); -    } -    loader_platform_thread_unlock_mutex(&loader_json_lock); -} - -void loaderScanForImplicitLayers(struct loader_instance *inst, struct loader_layer_list *instance_layers) { -    char *file_str; -    struct loader_data_files manifest_files; -    cJSON *json; -    bool override_layer_valid = false; -    char *override_paths = NULL; -    bool implicit_metalayer_present = false; -    bool have_json_lock = false; - -    // Before we begin anything, init manifest_files to avoid a delete of garbage memory if -    // a failure occurs before allocating the manifest filename_list. -    memset(&manifest_files, 0, sizeof(struct loader_data_files)); - -    // Pass NULL for environment variable override - implicit layers are not overridden by LAYERS_PATH_ENV -    VkResult res = loaderGetDataFiles(inst, LOADER_DATA_FILE_MANIFEST_LAYER, false, NULL, NULL, VK_ILAYERS_INFO_REGISTRY_LOC, -                                      VK_ILAYERS_INFO_RELATIVE_DIR, &manifest_files); -    if (VK_SUCCESS != res || manifest_files.count == 0) { -        goto out; -    } - -    // Cleanup any previously scanned libraries -    loaderDeleteLayerListAndProperties(inst, instance_layers); - -    loader_platform_thread_lock_mutex(&loader_json_lock); -    have_json_lock = true; - -    for (uint32_t 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) { -            goto out; -        } else if (VK_SUCCESS != res || NULL == json) { -            continue; -        } - -        res = loaderAddLayerProperties(inst, instance_layers, json, true, file_str); - -        loader_instance_heap_free(inst, file_str); -        manifest_files.filename_list[i] = NULL; -        cJSON_Delete(json); - -        if (VK_ERROR_OUT_OF_HOST_MEMORY == res) { -            goto out; -        } -    } - -    // Remove any extraneous override layers. -    RemoveAllNonValidOverrideLayers(inst, instance_layers); - -    // Check to see if either the override layer is present, or another implicit meta-layer. -    // Each of these may require explicit layers to be enabled at this time. -    for (int32_t i = 0; i < (int32_t)instance_layers->count; i++) { -        struct loader_layer_properties *prop = &instance_layers->list[i]; -        if (prop->is_override && loaderImplicitLayerIsEnabled(inst, prop)) { -            override_layer_valid = true; -            if (prop->num_override_paths > 0) { -                char *cur_write_ptr = NULL; -                size_t override_path_size = 0; -                for (uint32_t j = 0; j < prop->num_override_paths; j++) { -                    override_path_size += DetermineDataFilePathSize(prop->override_paths[j], 0); -                } -                override_paths = loader_instance_heap_alloc(inst, override_path_size, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -                if (override_paths == NULL) { -                    goto out; -                } -                cur_write_ptr = &override_paths[0]; -                for (uint32_t j = 0; j < prop->num_override_paths; j++) { -                    CopyDataFilePath(prop->override_paths[j], NULL, 0, &cur_write_ptr); -                } -                // Remove the last path separator -                --cur_write_ptr; -                assert(cur_write_ptr - override_paths < (ptrdiff_t)override_path_size); -                *cur_write_ptr = '\0'; -                loader_log(NULL, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                           "loaderScanForImplicitLayers: Override layer has override paths set to %s", override_paths); -            } -        } else if (!prop->is_override && prop->type_flags & VK_LAYER_TYPE_FLAG_META_LAYER) { -            implicit_metalayer_present = true; -        } -    } - -    // If either the override layer or an implicit meta-layer are present, we need to add -    // explicit layer info as well.  Not to worry, though, all explicit layers not included -    // in the override layer will be removed below in loaderRemoveLayersInBlacklist(). -    if (override_layer_valid || implicit_metalayer_present) { -        if (VK_SUCCESS != loaderGetDataFiles(inst, LOADER_DATA_FILE_MANIFEST_LAYER, true, VK_LAYER_PATH_ENV_VAR, override_paths, -                                             VK_ELAYERS_INFO_REGISTRY_LOC, VK_ELAYERS_INFO_RELATIVE_DIR, &manifest_files)) { -            goto out; -        } - -        for (uint32_t 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) { -                goto out; -            } else if (VK_SUCCESS != res || NULL == json) { -                continue; -            } - -            res = loaderAddLayerProperties(inst, instance_layers, json, true, file_str); - -            loader_instance_heap_free(inst, file_str); -            manifest_files.filename_list[i] = NULL; -            cJSON_Delete(json); - -            if (VK_ERROR_OUT_OF_HOST_MEMORY == res) { -                goto out; -            } -        } -    } - -    // Verify any meta-layers in the list are valid and all the component layers are -    // actually present in the available layer list -    VerifyAllMetaLayers(inst, instance_layers, &override_layer_valid); - -    if (override_layer_valid || implicit_metalayer_present) { -        loaderRemoveLayersNotInImplicitMetaLayers(inst, instance_layers); -        if (override_layer_valid && inst != NULL) { -            inst->override_layer_present = true; -        } -    } - -out: - -    if (NULL != override_paths) { -        loader_instance_heap_free(inst, override_paths); -    } -    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]); -        } -    } -    if (NULL != manifest_files.filename_list) { -        loader_instance_heap_free(inst, manifest_files.filename_list); -    } - -    if (have_json_lock) { -        loader_platform_thread_unlock_mutex(&loader_json_lock); -    } -} - -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; -    } - -    // The VK_EXT_debug_utils functions need a special case here so the terminators can still be found from vkGetInstanceProcAddr -    if (!strcmp(pName, "vkSetDebugUtilsObjectNameEXT")) { -        return (PFN_vkVoidFunction)terminator_SetDebugUtilsObjectNameEXT; -    } -    if (!strcmp(pName, "vkSetDebugUtilsObjectTagEXT")) { -        return (PFN_vkVoidFunction)terminator_SetDebugUtilsObjectTagEXT; -    } -    if (!strcmp(pName, "vkQueueBeginDebugUtilsLabelEXT")) { -        return (PFN_vkVoidFunction)terminator_QueueBeginDebugUtilsLabelEXT; -    } -    if (!strcmp(pName, "vkQueueEndDebugUtilsLabelEXT")) { -        return (PFN_vkVoidFunction)terminator_QueueEndDebugUtilsLabelEXT; -    } -    if (!strcmp(pName, "vkQueueInsertDebugUtilsLabelEXT")) { -        return (PFN_vkVoidFunction)terminator_QueueInsertDebugUtilsLabelEXT; -    } -    if (!strcmp(pName, "vkCmdBeginDebugUtilsLabelEXT")) { -        return (PFN_vkVoidFunction)terminator_CmdBeginDebugUtilsLabelEXT; -    } -    if (!strcmp(pName, "vkCmdEndDebugUtilsLabelEXT")) { -        return (PFN_vkVoidFunction)terminator_CmdEndDebugUtilsLabelEXT; -    } -    if (!strcmp(pName, "vkCmdInsertDebugUtilsLabelEXT")) { -        return (PFN_vkVoidFunction)terminator_CmdInsertDebugUtilsLabelEXT; -    } - -    // 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(dev, 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 of function %s", 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 of function %s", 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 loaderOpenLayerFile(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 loaderCloseLayerFile(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 loaderDeactivateLayers(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]; - -        loaderCloseLayerFile(instance, layer_prop); -    } -    loaderDestroyLayerList(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 loaderAddImplicitLayers(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)) { -            loaderAddImplicitLayer(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 VkResult loaderAddEnvironmentLayers(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) { -    VkResult res = VK_SUCCESS; -    char *next, *name; -    char *layer_env = loader_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); -        res = loaderAddLayerNameToList(inst, name, type_flags, source_list, target_list, expanded_target_list); -        if (res != VK_SUCCESS) { -            goto out; -        } -        name = next; -    } - -out: - -    if (layer_env != NULL) { -        loader_free_getenv(layer_env, inst); -    } - -    return res; -} - -VkResult loaderEnableInstanceLayers(struct loader_instance *inst, const VkInstanceCreateInfo *pCreateInfo, -                                    const struct loader_layer_list *instance_layers) { -    VkResult err = VK_SUCCESS; -    uint16_t layer_api_major_version; -    uint16_t layer_api_minor_version; -    uint32_t i; -    struct loader_layer_properties *prop; - -    assert(inst && "Cannot have null instance"); - -    if (!loaderInitLayerList(inst, &inst->app_activated_layer_list)) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                   "loaderEnableInstanceLayers: Failed to initialize application version of the layer list"); -        return VK_ERROR_OUT_OF_HOST_MEMORY; -    } - -    if (!loaderInitLayerList(inst, &inst->expanded_activated_layer_list)) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                   "loaderEnableInstanceLayers: Failed to initialize expanded version of the layer list"); -        return VK_ERROR_OUT_OF_HOST_MEMORY; -    } - -    // Add any implicit layers first -    loaderAddImplicitLayers(inst, &inst->app_activated_layer_list, &inst->expanded_activated_layer_list, instance_layers); - -    // Add any layers specified via environment variable next -    err = loaderAddEnvironmentLayers(inst, VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER, "VK_INSTANCE_LAYERS", &inst->app_activated_layer_list, -                                     &inst->expanded_activated_layer_list, instance_layers); -    if (err != VK_SUCCESS) { -        goto out; -    } - -    // Add layers specified by the application -    err = loaderAddLayerNamesToList(inst, &inst->app_activated_layer_list, &inst->expanded_activated_layer_list, -                                    pCreateInfo->enabledLayerCount, pCreateInfo->ppEnabledLayerNames, instance_layers); - -    for (i = 0; i < inst->expanded_activated_layer_list.count; i++) { -        // Verify that the layer api version is at least that of the application's request, if not, throw a warning since -        // undefined behavior could occur. -        prop = inst->expanded_activated_layer_list.list + i; -        layer_api_major_version = VK_VERSION_MAJOR(prop->info.specVersion); -        layer_api_minor_version = VK_VERSION_MINOR(prop->info.specVersion); -        if (inst->app_api_major_version > layer_api_major_version || -            (inst->app_api_major_version == layer_api_major_version && inst->app_api_minor_version > layer_api_minor_version)) { -            loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "loader_add_to_layer_list: Explicit layer %s is using an old API version %" PRIu16 ".%" PRIu16 -                       " versus application requested %" PRIu16 ".%" PRIu16, -                       prop->info.layerName, layer_api_major_version, layer_api_minor_version, inst->app_api_major_version, -                       inst->app_api_minor_version); -        } -    } - -out: -    return err; -} - -// Determine the layer interface version to use. -bool loaderGetLayerInterfaceVersion(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; -    interface_struct->pNext = NULL; - -    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; -} - -VKAPI_ATTR VkResult VKAPI_CALL loader_layer_create_device(VkInstance instance, VkPhysicalDevice physicalDevice, -                                                          const VkDeviceCreateInfo *pCreateInfo, -                                                          const VkAllocationCallbacks *pAllocator, VkDevice *pDevice, -                                                          PFN_vkGetInstanceProcAddr layerGIPA, PFN_vkGetDeviceProcAddr *nextGDPA) { -    VkResult res; -    VkPhysicalDevice internal_device = VK_NULL_HANDLE; -    struct loader_device *dev = NULL; -    struct loader_instance *inst = NULL; - -    if (instance != NULL) { -        inst = loader_get_instance(instance); -        internal_device = physicalDevice; -    } else { -        struct loader_physical_device_tramp *phys_dev = (struct loader_physical_device_tramp *)physicalDevice; -        internal_device = phys_dev->phys_dev; -        inst = (struct loader_instance *)phys_dev->this_instance; -    } - -    // Get the physical device (ICD) extensions -    struct loader_extension_list icd_exts; -    icd_exts.list = NULL; -    res = loader_init_generic_list(inst, (struct loader_generic_list *)&icd_exts, sizeof(VkExtensionProperties)); -    if (VK_SUCCESS != res) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "vkCreateDevice:  Failed to create ICD extension list"); -        goto out; -    } - -    PFN_vkEnumerateDeviceExtensionProperties enumDeviceExtensionProperties = NULL; -    if (layerGIPA != NULL) { -        enumDeviceExtensionProperties = -            (PFN_vkEnumerateDeviceExtensionProperties)layerGIPA(instance, "vkEnumerateDeviceExtensionProperties"); -    } else { -        enumDeviceExtensionProperties = inst->disp->layer_inst_disp.EnumerateDeviceExtensionProperties; -    } -    res = loader_add_device_extensions(inst, enumDeviceExtensionProperties, internal_device, "Unknown", &icd_exts); -    if (res != VK_SUCCESS) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "vkCreateDevice:  Failed to add extensions to list"); -        goto out; -    } - -    // Make sure requested extensions to be enabled are supported -    res = loader_validate_device_extensions(inst, &inst->expanded_activated_layer_list, &icd_exts, pCreateInfo); -    if (res != VK_SUCCESS) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "vkCreateDevice:  Failed to validate extensions in list"); -        goto out; -    } - -    dev = loader_create_logical_device(inst, pAllocator); -    if (dev == NULL) { -        res = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } - -    // Copy the application enabled instance layer list into the device -    if (NULL != inst->app_activated_layer_list.list) { -        dev->app_activated_layer_list.capacity = inst->app_activated_layer_list.capacity; -        dev->app_activated_layer_list.count = inst->app_activated_layer_list.count; -        dev->app_activated_layer_list.list = -            loader_device_heap_alloc(dev, inst->app_activated_layer_list.capacity, VK_SYSTEM_ALLOCATION_SCOPE_DEVICE); -        if (dev->app_activated_layer_list.list == NULL) { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "vkCreateDevice:  Failed to allocate application activated layer list of size %d.", -                       inst->app_activated_layer_list.capacity); -            res = VK_ERROR_OUT_OF_HOST_MEMORY; -            goto out; -        } -        memcpy(dev->app_activated_layer_list.list, inst->app_activated_layer_list.list, -               sizeof(*dev->app_activated_layer_list.list) * dev->app_activated_layer_list.count); -    } else { -        dev->app_activated_layer_list.capacity = 0; -        dev->app_activated_layer_list.count = 0; -        dev->app_activated_layer_list.list = NULL; -    } - -    // Copy the expanded enabled instance layer list into the device -    if (NULL != inst->expanded_activated_layer_list.list) { -        dev->expanded_activated_layer_list.capacity = inst->expanded_activated_layer_list.capacity; -        dev->expanded_activated_layer_list.count = inst->expanded_activated_layer_list.count; -        dev->expanded_activated_layer_list.list = -            loader_device_heap_alloc(dev, inst->expanded_activated_layer_list.capacity, VK_SYSTEM_ALLOCATION_SCOPE_DEVICE); -        if (dev->expanded_activated_layer_list.list == NULL) { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "vkCreateDevice:  Failed to allocate expanded activated layer list of size %d.", -                       inst->expanded_activated_layer_list.capacity); -            res = VK_ERROR_OUT_OF_HOST_MEMORY; -            goto out; -        } -        memcpy(dev->expanded_activated_layer_list.list, inst->expanded_activated_layer_list.list, -               sizeof(*dev->expanded_activated_layer_list.list) * dev->expanded_activated_layer_list.count); -    } else { -        dev->expanded_activated_layer_list.capacity = 0; -        dev->expanded_activated_layer_list.count = 0; -        dev->expanded_activated_layer_list.list = NULL; -    } - -    res = loader_create_device_chain(internal_device, pCreateInfo, pAllocator, inst, dev, layerGIPA, nextGDPA); -    if (res != VK_SUCCESS) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "vkCreateDevice:  Failed to create device chain."); -        goto out; -    } - -    *pDevice = dev->chain_device; - -    // Initialize any device extension dispatch entry's from the instance list -    loader_init_dispatch_dev_ext(inst, dev); - -    // Initialize WSI device extensions as part of core dispatch since loader -    // has dedicated trampoline code for these -    loader_init_device_extension_dispatch_table(&dev->loader_dispatch, inst->disp->layer_inst_disp.GetInstanceProcAddr, -                                                dev->loader_dispatch.core_dispatch.GetDeviceProcAddr, inst->instance, *pDevice); - -out: - -    // Failure cleanup -    if (VK_SUCCESS != res) { -        if (NULL != dev) { -            loader_destroy_logical_device(inst, dev, pAllocator); -        } -    } - -    if (NULL != icd_exts.list) { -        loader_destroy_generic_list(inst, (struct loader_generic_list *)&icd_exts); -    } -    return res; -} - -VKAPI_ATTR void VKAPI_CALL loader_layer_destroy_device(VkDevice device, const VkAllocationCallbacks *pAllocator, -                                                       PFN_vkDestroyDevice destroyFunction) { -    struct loader_device *dev; - -    if (device == VK_NULL_HANDLE) { -        return; -    } - -    struct loader_icd_term *icd_term = loader_get_icd_and_device(device, &dev, NULL); -    const struct loader_instance *inst = icd_term->this_instance; - -    destroyFunction(device, pAllocator); -    dev->chain_device = NULL; -    dev->icd_device = NULL; -    loader_remove_logical_device(inst, icd_term, dev, pAllocator); -} - -// 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_vkGetDeviceProcAddr cur_gdpa = loader_gpa_device_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 = loaderOpenLayerFile(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 (loaderGetLayerInterfaceVersion(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_gdpa = interface_struct.pfnGetDeviceProcAddr; -                            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; -            } -            if (layer_prop->interface_version > 1 && cur_gipa != NULL) { -                layer_prop->functions.get_instance_proc_addr = cur_gipa; -            } -            if (layer_prop->interface_version > 1 && cur_gdpa != NULL) { -                layer_prop->functions.get_device_proc_addr = cur_gdpa; -            } - -            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++; -        } -    } - -    VkLoaderFeatureFlags feature_flags = 0; -#if defined(_WIN32) -    IDXGIFactory6* dxgi_factory = NULL; -    HRESULT hres = fpCreateDXGIFactory1(&IID_IDXGIFactory6, (void **)&dxgi_factory); -    if (hres == S_OK) { -        feature_flags |= VK_LOADER_FEATURE_PHYSICAL_DEVICE_SORTING; -        dxgi_factory->lpVtbl->Release(dxgi_factory); -    } -#endif - -    PFN_vkCreateInstance fpCreateInstance = (PFN_vkCreateInstance)next_gipa(*created_instance, "vkCreateInstance"); -    if (fpCreateInstance) { -        const VkLayerInstanceCreateInfo instance_dispatch = { -            .sType = VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO, -            .pNext = loader_create_info.pNext, -            .function = VK_LOADER_DATA_CALLBACK, -            .u = { -                .pfnSetInstanceLoaderData = vkSetInstanceDispatch, -            }, -        }; -        const VkLayerInstanceCreateInfo device_callback = { -            .sType = VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO, -            .pNext = &instance_dispatch, -            .function = VK_LOADER_LAYER_CREATE_DEVICE_CALLBACK, -            .u = { -                .layerDevice = { -                    .pfnLayerCreateDevice = loader_layer_create_device, -                    .pfnLayerDestroyDevice = loader_layer_destroy_device, -                }, -            }, -        }; -        const VkLayerInstanceCreateInfo loader_features = { -            .sType = VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO, -            .pNext = &device_callback, -            .function = VK_LOADER_FEATURES, -            .u = { -                .loaderFeatures = feature_flags, -            }, -        }; -        loader_create_info.pNext = &loader_features; - -        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 loaderActivateInstanceLayerExtensions(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 VkPhysicalDevice pd, const VkDeviceCreateInfo *pCreateInfo, -                                    const VkAllocationCallbacks *pAllocator, const struct loader_instance *inst, -                                    struct loader_device *dev, PFN_vkGetInstanceProcAddr callingLayer, -                                    PFN_vkGetDeviceProcAddr *layerNextGDPA) { -    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 KHR_device_group extension is in the enabled list.  If it is, we then -    // need to look for the corresponding VkDeviceGroupDeviceCreateInfoKHR 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. -    { -        VkBaseOutStructure *pNext = (VkBaseOutStructure *)loader_create_info.pNext; -        VkBaseOutStructure *pPrev = (VkBaseOutStructure *)&loader_create_info; -        while (NULL != pNext) { -            if (VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO == pNext->sType) { -                VkDeviceGroupDeviceCreateInfoKHR *cur_struct = (VkDeviceGroupDeviceCreateInfoKHR *)pNext; -                if (0 < cur_struct->physicalDeviceCount && NULL != cur_struct->pPhysicalDevices) { -                    VkDeviceGroupDeviceCreateInfoKHR *temp_struct = loader_stack_alloc(sizeof(VkDeviceGroupDeviceCreateInfoKHR)); -                    VkPhysicalDevice *phys_dev_array = NULL; -                    if (NULL == temp_struct) { -                        return VK_ERROR_OUT_OF_HOST_MEMORY; -                    } -                    memcpy(temp_struct, cur_struct, sizeof(VkDeviceGroupDeviceCreateInfoKHR)); -                    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 = (VkBaseOutStructure *)temp_struct; -                    pNext = (VkBaseOutStructure *)temp_struct; -                } -                break; -            } - -            pPrev = pNext; -            pNext = pNext->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; - -        bool done = false; - -        // 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; - -            lib_handle = loaderOpenLayerFile(inst, "device", layer_prop); -            if (!lib_handle || done) { -                continue; -            } - -            // The Get*ProcAddr pointers will already be filled in if they were received from either the json file or the -            // version negotiation -            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 (fpGIPA == callingLayer) { -                if (layerNextGDPA != NULL) { -                    *layerNextGDPA = nextGDPA; -                } -                done = true; -                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, &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 layers or ICD"); -        // 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 loaderValidateLayers(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, -                       "loaderValidateLayers: Device ppEnabledLayerNames " -                       "contains string that is too long or is badly formed"); -            return VK_ERROR_LAYER_NOT_PRESENT; -        } - -        prop = loaderFindLayerProperty(ppEnabledLayerNames[i], list); -        if (NULL == prop) { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "loaderValidateLayers: 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(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 (!loaderInitLayerList(inst, &active_layers)) { -        res = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } -    if (!loaderInitLayerList(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) -    loaderAddImplicitLayers(inst, &active_layers, &expanded_layers, instance_layers); -    res = loaderAddEnvironmentLayers(inst, VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER, ENABLED_LAYERS_ENV, &active_layers, &expanded_layers, -                                     instance_layers); -    if (res != VK_SUCCESS) { -        goto out; -    } -    res = loaderAddLayerNamesToList(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 layer extension lists -        struct loader_layer_properties *layer_prop = NULL; -        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) { -                // Found the extension in one of the layers enabled by the app. -                break; -            } - -            layer_prop = loaderFindLayerProperty(expanded_layers.list[j].info.layerName, instance_layers); -            if (NULL == layer_prop) { -                // Should NOT get here, loaderValidateLayers should have already filtered this case out. -                continue; -            } -        } - -        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: -    loaderDestroyLayerList(inst, NULL, &active_layers); -    loaderDestroyLayerList(inst, NULL, &expanded_layers); -    return res; -} - -VkResult loader_validate_device_extensions(struct loader_instance *this_instance, -                                           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(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(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_<Vulkan 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 - -        // Make sure that we reset the pApplicationInfo so we don't get an old pointer -        icd_create_info.pApplicationInfo = pCreateInfo->pApplicationInfo; -        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); - -        // Get the driver version from vkEnumerateInstanceVersion -        uint32_t icd_version = VK_API_VERSION_1_0; -        VkResult icd_result = VK_SUCCESS; -        if (icd_term->scanned_icd->api_version >= VK_API_VERSION_1_1) { -            PFN_vkEnumerateInstanceVersion icd_enumerate_instance_version = (PFN_vkEnumerateInstanceVersion) -                icd_term->scanned_icd->GetInstanceProcAddr(NULL, "vkEnumerateInstanceVersion"); -            if (icd_enumerate_instance_version != NULL) { -                icd_result = icd_enumerate_instance_version(&icd_version); -                if (icd_result != VK_SUCCESS) { -                    icd_version = VK_API_VERSION_1_0; -                    loader_log(ptr_instance, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "terminator_CreateInstance: ICD \"%s\" " -                        "vkEnumerateInstanceVersion returned error. The ICD will be treated as a 1.0 ICD", -                        icd_term->scanned_icd->lib_name); -                } -            } -        } - -        // Create an instance, substituting the version to 1.0 if necessary -        VkApplicationInfo icd_app_info; -        uint32_t icd_version_nopatch = VK_MAKE_VERSION(VK_VERSION_MAJOR(icd_version), VK_VERSION_MINOR(icd_version), 0); -        uint32_t requested_version = pCreateInfo == NULL || pCreateInfo->pApplicationInfo == NULL ? VK_API_VERSION_1_0 : pCreateInfo->pApplicationInfo->apiVersion; -        if ((requested_version != 0) && (icd_version_nopatch == VK_API_VERSION_1_0)) { -            if (icd_create_info.pApplicationInfo == NULL) { -                memset(&icd_app_info, 0, sizeof(icd_app_info)); -            } else { -                memcpy(&icd_app_info, icd_create_info.pApplicationInfo, sizeof(icd_app_info)); -            } -            icd_app_info.apiVersion = icd_version; -            icd_create_info.pApplicationInfo = &icd_app_info; -        } -        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; -    } - -    loaderDeleteLayerListAndProperties(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; - -    VkBaseOutStructure *caller_dgci_container = NULL; -    VkDeviceGroupDeviceCreateInfoKHR *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", -                       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 VkDeviceGroupDeviceCreateInfo 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.khr_device_group_creation == 1) { -    { -        VkBaseOutStructure *pNext = (VkBaseOutStructure *)localCreateInfo.pNext; -        VkBaseOutStructure *pPrev = (VkBaseOutStructure *)&localCreateInfo; -        while (NULL != pNext) { -            if (VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO == pNext->sType) { -                VkDeviceGroupDeviceCreateInfo *cur_struct = (VkDeviceGroupDeviceCreateInfo *)pNext; -                if (0 < cur_struct->physicalDeviceCount && NULL != cur_struct->pPhysicalDevices) { -                    VkDeviceGroupDeviceCreateInfo *temp_struct = loader_stack_alloc(sizeof(VkDeviceGroupDeviceCreateInfo)); -                    VkPhysicalDevice *phys_dev_array = NULL; -                    if (NULL == temp_struct) { -                        return VK_ERROR_OUT_OF_HOST_MEMORY; -                    } -                    memcpy(temp_struct, cur_struct, sizeof(VkDeviceGroupDeviceCreateInfo)); -                    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 = (VkBaseOutStructure *)temp_struct; -                    pNext = (VkBaseOutStructure *)temp_struct; -                } -                break; -            } - -            pPrev = pNext; -            pNext = pNext->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.GetPhysicalDeviceFeatures2 == NULL && icd_term->dispatch.GetPhysicalDeviceFeatures2KHR == NULL) { -    { -        const void *pNext = localCreateInfo.pNext; -        while (pNext != NULL) { -            switch (*(VkStructureType *)pNext) { -                case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2: { -                    const VkPhysicalDeviceFeatures2KHR *features = pNext; - -                    if (icd_term->dispatch.GetPhysicalDeviceFeatures2 == NULL && icd_term->dispatch.GetPhysicalDeviceFeatures2KHR == NULL) { -                        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                            "vkCreateDevice: Emulating handling of VkPhysicalDeviceFeatures2 in pNext chain for ICD \"%s\"", -                            icd_term->scanned_icd->lib_name); - -                        // 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: { -                    const VkDeviceGroupDeviceCreateInfoKHR *group_info = pNext; - -                    if (icd_term->dispatch.EnumeratePhysicalDeviceGroups == NULL && icd_term->dispatch.EnumeratePhysicalDeviceGroupsKHR == NULL) { -                        loader_log( -                            icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                            "vkCreateDevice: Emulating handling of VkPhysicalDeviceGroupProperties in pNext chain for ICD \"%s\"", -                            icd_term->scanned_icd->lib_name); - -                        // The group must contain only this one device, since physical device groups aren't actually supported -                        if (group_info->physicalDeviceCount != 1) { -                            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 VkBaseInStructure *header = pNext; -                    pNext = header->pNext; -                    break; -                } -            } -        } -    } - -    // Every extension that has a loader-defined terminator needs to be marked as enabled or disabled so that we know whether or -    // not to return that terminator when vkGetDeviceProcAddr is called -    for (uint32_t i = 0; i < localCreateInfo.enabledExtensionCount; ++i) { -        if (!strcmp(localCreateInfo.ppEnabledExtensionNames[i], VK_KHR_SWAPCHAIN_EXTENSION_NAME)) { -            dev->extensions.khr_swapchain_enabled = true; -        } else if (!strcmp(localCreateInfo.ppEnabledExtensionNames[i], VK_KHR_DISPLAY_SWAPCHAIN_EXTENSION_NAME)) { -            dev->extensions.khr_display_swapchain_enabled = true; -        } else if (!strcmp(localCreateInfo.ppEnabledExtensionNames[i], VK_KHR_DEVICE_GROUP_EXTENSION_NAME)) { -            dev->extensions.khr_device_group_enabled = true; -        } else if (!strcmp(localCreateInfo.ppEnabledExtensionNames[i], VK_EXT_DEBUG_MARKER_EXTENSION_NAME)) { -            dev->extensions.ext_debug_marker_enabled = true; -        } else if (!strcmp(localCreateInfo.ppEnabledExtensionNames[i], "VK_EXT_full_screen_exclusive")) { -            dev->extensions.ext_full_screen_exclusive_enabled = true; -        } -    } -    dev->extensions.ext_debug_utils_enabled = icd_term->this_instance->enabled_known_extensions.ext_debug_utils; - -    if (!dev->extensions.khr_device_group_enabled) { -        VkPhysicalDeviceProperties properties; -        icd_term->dispatch.GetPhysicalDeviceProperties(phys_dev_term->phys_dev, &properties); -        if (properties.apiVersion >= VK_API_VERSION_1_1) { -            dev->extensions.khr_device_group_enabled = true; -        } -    } - -    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 = (VkBaseOutStructure *)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; -} - -struct LoaderSortedPhysicalDevice { -    uint32_t device_count; -    VkPhysicalDevice* physical_devices; -    uint32_t icd_index; -    struct loader_icd_term* icd_term; -}; - -// This function allocates an array in sorted_devices which must be freed by the caller if not null -VkResult ReadSortedPhysicalDevices(struct loader_instance *inst, struct LoaderSortedPhysicalDevice **sorted_devices, uint32_t* sorted_count) -{ -    VkResult res = VK_SUCCESS; - -#if defined(_WIN32) -    uint32_t sorted_alloc = 0; -    struct loader_icd_term *icd_term = NULL; -    IDXGIFactory6* dxgi_factory = NULL; -    HRESULT hres = fpCreateDXGIFactory1(&IID_IDXGIFactory6, (void **)&dxgi_factory); -    if (hres != S_OK) { -        loader_log(inst, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, "Failed to create DXGI factory 6. Physical devices will not be sorted"); -    } -    else { -        sorted_alloc = 16; -        *sorted_devices = loader_instance_heap_alloc(inst, sorted_alloc * sizeof(struct LoaderSortedPhysicalDevice), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -        if (*sorted_devices == NULL) { -            res = VK_ERROR_OUT_OF_HOST_MEMORY; -            goto out; -        } - -        memset(*sorted_devices, 0, sorted_alloc * sizeof(struct LoaderSortedPhysicalDevice)); - -        *sorted_count = 0; -        for (uint32_t i = 0; ; ++i) { -            IDXGIAdapter1* adapter; -            hres = dxgi_factory->lpVtbl->EnumAdapterByGpuPreference(dxgi_factory, i, DXGI_GPU_PREFERENCE_UNSPECIFIED, &IID_IDXGIAdapter1, (void **)&adapter); -            if (hres == DXGI_ERROR_NOT_FOUND) { -                break; // No more adapters -            } -            else if (hres != S_OK) { -                loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "Failed to enumerate adapters by GPU preference at index %u. This adapter will not be sorted", i); -                break; -            } - -            DXGI_ADAPTER_DESC1 description; -            hres = adapter->lpVtbl->GetDesc1(adapter, &description); -            if (hres != S_OK) { -                loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "Failed to get adapter LUID index %u. This adapter will not be sorted", i); -                continue; -            } - -            if (sorted_alloc <= i) { -                uint32_t old_size = sorted_alloc * sizeof(struct LoaderSortedPhysicalDevice); -                *sorted_devices = loader_instance_heap_realloc(inst, *sorted_devices, old_size, 2 * old_size, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -                if (*sorted_devices == NULL) { -                    adapter->lpVtbl->Release(adapter); -                    res = VK_ERROR_OUT_OF_HOST_MEMORY; -                    goto out; -                } -                sorted_alloc *= 2; -            } -            struct LoaderSortedPhysicalDevice *sorted_array = *sorted_devices; -            sorted_array[*sorted_count].device_count = 0; -            sorted_array[*sorted_count].physical_devices = NULL; -            //*sorted_count = i; - -            icd_term = inst->icd_terms; -            for (uint32_t icd_idx = 0; NULL != icd_term; icd_term = icd_term->next, icd_idx++) { -                // This is the new behavior, which cannot be run unless the ICD provides EnumerateAdapterPhysicalDevices -                if (icd_term->scanned_icd->EnumerateAdapterPhysicalDevices == NULL) { -                    continue; -                } - -                uint32_t count; -                VkResult vkres = icd_term->scanned_icd->EnumerateAdapterPhysicalDevices(icd_term->instance, description.AdapterLuid, &count, NULL); -                if (vkres == VK_ERROR_INCOMPATIBLE_DRIVER) { -                    continue; // This driver doesn't support the adapter -                } else if (vkres == VK_ERROR_OUT_OF_HOST_MEMORY) { -                    res = VK_ERROR_OUT_OF_HOST_MEMORY; -                    goto out; -                } else if (vkres != VK_SUCCESS) { -                    loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "Failed to convert DXGI adapter into Vulkan physical device with unexpected error code"); -                    continue; -                } - -                // Get the actual physical devices -                if (0 != count) -                { -                    do { -                        sorted_array[*sorted_count].physical_devices = loader_instance_heap_realloc(inst, sorted_array[*sorted_count].physical_devices, sorted_array[*sorted_count].device_count * sizeof(VkPhysicalDevice), count * sizeof(VkPhysicalDevice), VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -                        if (sorted_array[*sorted_count].physical_devices == NULL) { -                            res = VK_ERROR_OUT_OF_HOST_MEMORY; -                            break; -                        } -                        sorted_array[*sorted_count].device_count = count; -                    } while ((vkres = icd_term->scanned_icd->EnumerateAdapterPhysicalDevices(icd_term->instance, description.AdapterLuid, &count, sorted_array[*sorted_count].physical_devices)) == VK_INCOMPLETE); -                } - -                if (vkres != VK_SUCCESS) { -                    loader_instance_heap_free(inst, sorted_array[*sorted_count].physical_devices); -                    sorted_array[*sorted_count].physical_devices = NULL; -                    if (vkres == VK_ERROR_OUT_OF_HOST_MEMORY) { -                        res = VK_ERROR_OUT_OF_HOST_MEMORY; -                        goto out; -                    } else { -                        loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                                   "Failed to convert DXGI adapter into Vulkan physical device"); -                        continue; -                    } -                } -                inst->total_gpu_count += (sorted_array[*sorted_count].device_count = count); -                sorted_array[*sorted_count].icd_index = icd_idx; -                sorted_array[*sorted_count].icd_term = icd_term; -                ++(*sorted_count); -            } - -            adapter->lpVtbl->Release(adapter); -        } - -        dxgi_factory->lpVtbl->Release(dxgi_factory); -    } - -out: -#endif - -    if (*sorted_count == 0 && *sorted_devices != NULL) { -        loader_instance_heap_free(inst, *sorted_devices); -        *sorted_devices = NULL; -    } -    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; -    struct LoaderSortedPhysicalDevice *sorted_phys_dev_array = NULL; -    uint32_t sorted_count = 0; - -    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); - -    // Get the physical devices supported by platform sorting mechanism into a separate list -    res = ReadSortedPhysicalDevices(inst, &sorted_phys_dev_array, &sorted_count); -    if (VK_SUCCESS != res) { -        goto out; -    } - -    // For each ICD, query the number of physical devices, and then get an -    // internal value for those physical devices. -    icd_term = inst->icd_terms; -    for (uint32_t icd_idx = 0; NULL != icd_term; icd_term = icd_term->next, icd_idx++) { -        icd_phys_dev_array[icd_idx].count = 0; -        icd_phys_dev_array[icd_idx].phys_devs = NULL; -        icd_phys_dev_array[icd_idx].this_icd_term = NULL; - -        // This is the legacy behavior which should be skipped if EnumerateAdapterPhysicalDevices is available -        // and we successfully enumerated sorted adapters using ReadSortedPhysicalDevices. -#if defined(VK_USE_PLATFORM_WIN32_KHR) -        if (sorted_count && icd_term->scanned_icd->EnumerateAdapterPhysicalDevices != NULL) { -            continue; -        } -#endif - -        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; - -#if defined(_WIN32) -    // Copy over everything found through sorted enumeration -    for (uint32_t i = 0; i < sorted_count; ++i) { -        for (uint32_t j = 0; j < sorted_phys_dev_array[i].device_count; ++j) { -            // 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 (sorted_phys_dev_array[i].physical_devices[j] == 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 = sorted_phys_dev_array[i].icd_term; -                new_phys_devs[idx]->icd_index = (uint8_t)(sorted_phys_dev_array[i].icd_index); -                new_phys_devs[idx]->phys_dev = sorted_phys_dev_array[i].physical_devices[j]; -            } - -            // Increment the count of new physical devices -            idx++; -        } -    } -#endif - -    // Copy over everything found through EnumeratePhysicalDevices -    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; -    } - -    if (sorted_phys_dev_array != NULL) { -        for (uint32_t i = 0; i < sorted_count; ++i) { -            if (sorted_phys_dev_array[i].device_count > 0 && sorted_phys_dev_array[i].physical_devices != NULL) { -                loader_instance_heap_free(inst, sorted_phys_dev_array[i].physical_devices); -            } -        } -        loader_instance_heap_free(inst, sorted_phys_dev_array); -    } - -    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}; - -    // 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; - -    // if we got here with a non-empty pLayerName, look up the extensions -    // from the json -    if (pLayerName != NULL && strlen(pLayerName) > 0) { -        uint32_t count; -        uint32_t copy_size; -        const struct loader_instance *inst = phys_dev_term->this_icd_term->this_instance; -        struct loader_device_extension_list *dev_ext_list = NULL; -        struct loader_device_extension_list local_ext_list; -        memset(&local_ext_list, 0, sizeof(local_ext_list)); -        if (vk_string_validate(MaxLoaderStringLength, pLayerName) == VK_STRING_ERROR_NONE) { -            for (uint32_t i = 0; i < inst->instance_layer_list.count; i++) { -                struct loader_layer_properties *props = &inst->instance_layer_list.list[i]; -                if (strcmp(props->info.layerName, pLayerName) == 0) { -                    dev_ext_list = &props->device_extension_list; -                } -            } - -            count = (dev_ext_list == NULL) ? 0 : dev_ext_list->count; -            if (pProperties == NULL) { -                *pPropertyCount = count; -                loader_destroy_generic_list(inst, (struct loader_generic_list *)&local_ext_list); -                return VK_SUCCESS; -            } - -            copy_size = *pPropertyCount < count ? *pPropertyCount : count; -            for (uint32_t i = 0; i < copy_size; i++) { -                memcpy(&pProperties[i], &dev_ext_list->list[i].props, sizeof(VkExtensionProperties)); -            } -            *pPropertyCount = copy_size; - -            loader_destroy_generic_list(inst, (struct loader_generic_list *)&local_ext_list); -            if (copy_size < count) { -                return VK_INCOMPLETE; -            } -        } else { -            loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                       "vkEnumerateDeviceExtensionProperties:  pLayerName " -                       "is too long or is badly formed"); -            return VK_ERROR_EXTENSION_NOT_PRESENT; -        } - -        return VK_SUCCESS; -    } - -    // 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; -    VkExtensionProperties *icd_props_list = pProperties; -    VkResult res; - -    if (NULL == icd_props_list) { -        // We need to find the count without duplicates. This requires querying the driver for the names of the extensions. -        // A small amount of storage is then needed to facilitate the de-duplication. -        res = icd_term->dispatch.EnumerateDeviceExtensionProperties(phys_dev_term->phys_dev, NULL, &icd_ext_count, NULL); -        if (res != VK_SUCCESS) { -            goto out; -        } -        icd_props_list = loader_instance_heap_alloc(icd_term->this_instance, sizeof(VkExtensionProperties) * icd_ext_count, -                                                    VK_SYSTEM_ALLOCATION_SCOPE_COMMAND); -        if (NULL == icd_props_list) { -            res = VK_ERROR_OUT_OF_HOST_MEMORY; -            goto out; -        } -    } - -    // Get the available device extension count, and if pProperties is not NULL, the extensions as well -    res = icd_term->dispatch.EnumerateDeviceExtensionProperties(phys_dev_term->phys_dev, NULL, &icd_ext_count, icd_props_list); -    if (res != VK_SUCCESS) { -        goto out; -    } - -    if (!loaderInitLayerList(icd_term->this_instance, &implicit_layer_list)) { -        res = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } - -    loaderAddImplicitLayers(icd_term->this_instance, &implicit_layer_list, NULL, &icd_term->this_instance->instance_layer_list); - -    // Initialize dev_extension list within the physicalDevice object -    res = loader_init_device_extensions(icd_term->this_instance, phys_dev_term, icd_ext_count, icd_props_list, &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; -    } - -    loaderAddImplicitLayers(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; - -    res = VK_SUCCESS; -    if (NULL != 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 { -        *pPropertyCount = all_exts.count; -    } - -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); -    } -    if (NULL == pProperties && NULL != icd_props_list) { -        loader_instance_heap_free(icd_term->this_instance, icd_props_list); -    } -    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; - -    if (utf8 == NULL) { -        return VK_STRING_ERROR_NULL_PTR; -    } - -    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_EnumerateInstanceVersion(const VkEnumerateInstanceVersionChain *chain, uint32_t* pApiVersion) { -    // NOTE: The Vulkan WG doesn't want us checking pApiVersion for NULL, but instead -    // prefers us crashing. -    *pApiVersion = VK_HEADER_VERSION_COMPLETE; -    return VK_SUCCESS; -} - -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; -        } - -        loaderScanForLayers(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 { -        // Preload ICD libraries so subsequent calls to EnumerateInstanceExtensionProperties don't have to load them -        loader_preload_icds(); - -        // Scan/discover all ICD libraries -        memset(&icd_tramp_list, 0, sizeof(icd_tramp_list)); -        res = loader_icd_scan(NULL, &icd_tramp_list); -        // EnumerateInstanceExtensionProperties can't return anything other than OOM or VK_ERROR_LAYER_NOT_PRESENT -        if ((VK_SUCCESS != res && icd_tramp_list.count > 0) || res == VK_ERROR_OUT_OF_HOST_MEMORY) { -            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. -        loaderScanForImplicitLayers(NULL, &instance_layers); -        for (uint32_t i = 0; i < instance_layers.count; i++) { -            if (!loaderImplicitLayerIsEnabled(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); -    loaderDeleteLayerListAndProperties(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)); -    loaderScanForLayers(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: - -    loaderDeleteLayerListAndProperties(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 - -// ---- Vulkan Core 1.1 terminators - -VkResult setupLoaderTermPhysDevGroups(struct loader_instance *inst) { -    VkResult res = VK_SUCCESS; -    struct loader_icd_term *icd_term; -    uint32_t total_count = 0; -    uint32_t cur_icd_group_count = 0; -    VkPhysicalDeviceGroupPropertiesKHR **new_phys_dev_groups = NULL; -    VkPhysicalDeviceGroupPropertiesKHR *local_phys_dev_groups = NULL; -    bool *local_phys_dev_group_sorted = NULL; -    PFN_vkEnumeratePhysicalDeviceGroups fpEnumeratePhysicalDeviceGroups = NULL; -    struct LoaderSortedPhysicalDevice* sorted_phys_dev_array = NULL; -    uint32_t sorted_count = 0; - -    if (0 == inst->phys_dev_count_term) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -            "setupLoaderTermPhysDevGroups:  Loader failed to setup physical " -            "device terminator info before calling \'EnumeratePhysicalDeviceGroups\'."); -        assert(false); -        res = VK_ERROR_INITIALIZATION_FAILED; -        goto out; -    } - -    // For each ICD, query the number of physical device groups, and then get an -    // internal value for those physical devices. -    icd_term = inst->icd_terms; -    for (uint32_t icd_idx = 0; NULL != icd_term; icd_term = icd_term->next, icd_idx++) { -        // Get the function pointer to use to call into the ICD. This could be the core or KHR version -        if (inst->enabled_known_extensions.khr_device_group_creation) { -            fpEnumeratePhysicalDeviceGroups = icd_term->dispatch.EnumeratePhysicalDeviceGroupsKHR; -        } else { -            fpEnumeratePhysicalDeviceGroups = icd_term->dispatch.EnumeratePhysicalDeviceGroups; -        } - -        cur_icd_group_count = 0; -        if (NULL == fpEnumeratePhysicalDeviceGroups) { -            // Treat each ICD's GPU as it's own group if the extension isn't supported -            res = icd_term->dispatch.EnumeratePhysicalDevices(icd_term->instance, &cur_icd_group_count, NULL); -            if (res != VK_SUCCESS) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed during dispatch call of " -                    "\'EnumeratePhysicalDevices\' to ICD %d to get plain phys dev count.", -                    icd_idx); -                goto out; -            } -        } else { -            // Query the actual group info -            res = fpEnumeratePhysicalDeviceGroups(icd_term->instance, &cur_icd_group_count, NULL); -            if (res != VK_SUCCESS) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed during dispatch call of " -                    "\'EnumeratePhysicalDeviceGroups\' to ICD %d to get count.", -                    icd_idx); -                goto out; -            } -        } -        total_count += cur_icd_group_count; -    } - -    // Create an array for the new physical device groups, which will be stored -    // in the instance for the Terminator code. -    new_phys_dev_groups = (VkPhysicalDeviceGroupProperties **)loader_instance_heap_alloc( -        inst, total_count * sizeof(VkPhysicalDeviceGroupProperties *), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); -    if (NULL == new_phys_dev_groups) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -            "setupLoaderTermPhysDevGroups:  Failed to allocate new physical device" -            " group array of size %d", -            total_count); -        res = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } -    memset(new_phys_dev_groups, 0, total_count * sizeof(VkPhysicalDeviceGroupProperties *)); - -    // Create a temporary array (on the stack) to keep track of the -    // returned VkPhysicalDevice values. -    local_phys_dev_groups = loader_stack_alloc(sizeof(VkPhysicalDeviceGroupProperties) * total_count); -    local_phys_dev_group_sorted = loader_stack_alloc(sizeof(bool) * total_count); -    if (NULL == local_phys_dev_groups || NULL == local_phys_dev_group_sorted) { -        loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -            "setupLoaderTermPhysDevGroups:  Failed to allocate local " -            "physical device group array of size %d", -            total_count); -        res = VK_ERROR_OUT_OF_HOST_MEMORY; -        goto out; -    } -    // Initialize the memory to something valid -    memset(local_phys_dev_groups, 0, sizeof(VkPhysicalDeviceGroupProperties) * total_count); -    memset(local_phys_dev_group_sorted, 0, sizeof(bool) * total_count); -    for (uint32_t group = 0; group < total_count; group++) { -        local_phys_dev_groups[group].sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_GROUP_PROPERTIES_KHR; -        local_phys_dev_groups[group].pNext = NULL; -        local_phys_dev_groups[group].subsetAllocation = false; -    } - -    // Get the physical devices supported by platform sorting mechanism into a separate list -    res = ReadSortedPhysicalDevices(inst, &sorted_phys_dev_array, &sorted_count); -    if (VK_SUCCESS != res) { -        goto out; -    } - -    cur_icd_group_count = 0; -    icd_term = inst->icd_terms; -    for (uint32_t icd_idx = 0; NULL != icd_term; icd_term = icd_term->next, icd_idx++) { -        uint32_t count_this_time = total_count - cur_icd_group_count; - -        // Check if this group can be sorted -#if defined(VK_USE_PLATFORM_WIN32_KHR) -        bool icd_sorted = sorted_count && (icd_term->scanned_icd->EnumerateAdapterPhysicalDevices != NULL); -#else -        bool icd_sorted = false; -#endif - -        // Get the function pointer to use to call into the ICD. This could be the core or KHR version -        if (inst->enabled_known_extensions.khr_device_group_creation) { -            fpEnumeratePhysicalDeviceGroups = icd_term->dispatch.EnumeratePhysicalDeviceGroupsKHR; -        } else { -            fpEnumeratePhysicalDeviceGroups = icd_term->dispatch.EnumeratePhysicalDeviceGroups; -        } - -        if (NULL == fpEnumeratePhysicalDeviceGroups) { -            VkPhysicalDevice* phys_dev_array = loader_stack_alloc(sizeof(VkPhysicalDevice) * count_this_time); -            if (NULL == phys_dev_array) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed to allocate local " -                    "physical device array of size %d", -                    count_this_time); -                res = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } - -            res = icd_term->dispatch.EnumeratePhysicalDevices(icd_term->instance, &count_this_time, phys_dev_array); -            if (res != VK_SUCCESS) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed during dispatch call of " -                    "\'EnumeratePhysicalDevices\' to ICD %d to get plain phys dev count.", -                    icd_idx); -                goto out; -            } - -            // Add each GPU as it's own group -            for (uint32_t indiv_gpu = 0; indiv_gpu < count_this_time; indiv_gpu++) { -                local_phys_dev_groups[indiv_gpu + cur_icd_group_count].physicalDeviceCount = 1; -                local_phys_dev_groups[indiv_gpu + cur_icd_group_count].physicalDevices[0] = phys_dev_array[indiv_gpu]; -                local_phys_dev_group_sorted[indiv_gpu + cur_icd_group_count] = icd_sorted; -            } - -        } else { -            res = fpEnumeratePhysicalDeviceGroups(icd_term->instance, &count_this_time, &local_phys_dev_groups[cur_icd_group_count]); -            for (uint32_t group = 0; group < count_this_time; ++group) { -                local_phys_dev_group_sorted[group + cur_icd_group_count] = icd_sorted; -            } -            if (VK_SUCCESS != res) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed during dispatch call of " -                    "\'EnumeratePhysicalDeviceGroups\' to ICD %d to get content.", -                    icd_idx); -                goto out; -            } -        } - -        cur_icd_group_count += count_this_time; -    } - -    // Replace all the physical device IDs with the proper loader values -    for (uint32_t group = 0; group < total_count; group++) { -        for (uint32_t group_gpu = 0; group_gpu < local_phys_dev_groups[group].physicalDeviceCount; group_gpu++) { -            bool found = false; -            for (uint32_t term_gpu = 0; term_gpu < inst->phys_dev_count_term; term_gpu++) { -                if (local_phys_dev_groups[group].physicalDevices[group_gpu] == inst->phys_devs_term[term_gpu]->phys_dev) { -                    local_phys_dev_groups[group].physicalDevices[group_gpu] = (VkPhysicalDevice)inst->phys_devs_term[term_gpu]; -                    found = true; -                    break; -                } -            } -            if (!found) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed to find GPU %d in group %d" -                    " returned by \'EnumeratePhysicalDeviceGroups\' in list returned" -                    " by \'EnumeratePhysicalDevices\'", group_gpu, group); -                res = VK_ERROR_INITIALIZATION_FAILED; -                goto out; -            } -        } -    } - -    uint32_t idx = 0; - -#if defined(_WIN32) -    // Copy over everything found through sorted enumeration -    for (uint32_t i = 0; i < sorted_count; ++i) { - -        // Find the VkPhysicalDeviceGroupProperties object in local_phys_dev_groups -        VkPhysicalDeviceGroupProperties *group_properties = NULL; -        for (uint32_t group = 0; group < total_count; group++) { -            if (sorted_phys_dev_array[i].device_count != local_phys_dev_groups[group].physicalDeviceCount) { -                continue; -            } - -            bool match = true; -            for (uint32_t group_gpu = 0; group_gpu < local_phys_dev_groups[group].physicalDeviceCount; group_gpu++) { -                if (sorted_phys_dev_array[i].physical_devices[group_gpu] != ((struct loader_physical_device_term*) local_phys_dev_groups[group].physicalDevices[group_gpu])->phys_dev) { -                    match = false; -                    break; -                } -            } - -            if (match) { -                group_properties = &local_phys_dev_groups[group]; -            } -        } - -        // Check if this physical device group with the same contents is already in the old buffer -        for (uint32_t old_idx = 0; old_idx < inst->phys_dev_group_count_term; old_idx++) { -            if (NULL != group_properties && group_properties->physicalDeviceCount == inst->phys_dev_groups_term[old_idx]->physicalDeviceCount) { -                bool found_all_gpus = true; -                for (uint32_t old_gpu = 0; old_gpu < inst->phys_dev_groups_term[old_idx]->physicalDeviceCount; old_gpu++) { -                    bool found_gpu = false; -                    for (uint32_t new_gpu = 0; new_gpu < group_properties->physicalDeviceCount; new_gpu++) { -                        if (group_properties->physicalDevices[new_gpu] == inst->phys_dev_groups_term[old_idx]->physicalDevices[old_gpu]) { -                            found_gpu = true; -                            break; -                        } -                    } - -                    if (!found_gpu) { -                        found_all_gpus = false; -                        break; -                    } -                } -                if (!found_all_gpus) { -                    continue; -                } -                else { -                    new_phys_dev_groups[idx] = inst->phys_dev_groups_term[old_idx]; -                    break; -                } -            } -        } - -        // If this physical device group isn't in the old buffer, create it -        if (group_properties != NULL && NULL == new_phys_dev_groups[idx]) { -            new_phys_dev_groups[idx] = (VkPhysicalDeviceGroupPropertiesKHR*)loader_instance_heap_alloc( -                inst, sizeof(VkPhysicalDeviceGroupPropertiesKHR), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); -            if (NULL == new_phys_dev_groups[idx]) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed to allocate " -                    "physical device group Terminator object %d", -                    idx); -                total_count = idx; -                res = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } -            memcpy(new_phys_dev_groups[idx], group_properties, sizeof(VkPhysicalDeviceGroupPropertiesKHR)); -        } - -        ++idx; -    } -#endif - -    // Copy or create everything to fill the new array of physical device groups -    for (uint32_t new_idx = 0; new_idx < total_count; new_idx++) { -        // Skip groups which have been included through sorting -        if (local_phys_dev_group_sorted[new_idx] || local_phys_dev_groups[new_idx].physicalDeviceCount == 0) { -            continue; -        } - -        // Check if this physical device group with the same contents is already in the old buffer -        for (uint32_t old_idx = 0; old_idx < inst->phys_dev_group_count_term; old_idx++) { -            if (local_phys_dev_groups[new_idx].physicalDeviceCount == inst->phys_dev_groups_term[old_idx]->physicalDeviceCount) { -                bool found_all_gpus = true; -                for (uint32_t old_gpu = 0; old_gpu < inst->phys_dev_groups_term[old_idx]->physicalDeviceCount; old_gpu++) { -                    bool found_gpu = false; -                    for (uint32_t new_gpu = 0; new_gpu < local_phys_dev_groups[new_idx].physicalDeviceCount; new_gpu++) { -                        if (local_phys_dev_groups[new_idx].physicalDevices[new_gpu] == inst->phys_dev_groups_term[old_idx]->physicalDevices[old_gpu]) { -                            found_gpu = true; -                            break; -                        } -                    } - -                    if (!found_gpu) { -                        found_all_gpus = false; -                        break; -                    } -                } -                if (!found_all_gpus) { -                    continue; -                } else { -                    new_phys_dev_groups[idx] = inst->phys_dev_groups_term[old_idx]; -                    break; -                } -            } -        } - -        // If this physical device group isn't in the old buffer, create it -        if (NULL == new_phys_dev_groups[idx]) { -            new_phys_dev_groups[idx] = (VkPhysicalDeviceGroupPropertiesKHR *)loader_instance_heap_alloc( -                inst, sizeof(VkPhysicalDeviceGroupPropertiesKHR), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); -            if (NULL == new_phys_dev_groups[idx]) { -                loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "setupLoaderTermPhysDevGroups:  Failed to allocate " -                    "physical device group Terminator object %d", -                    idx); -                total_count = idx; -                res = VK_ERROR_OUT_OF_HOST_MEMORY; -                goto out; -            } -            memcpy(new_phys_dev_groups[idx], &local_phys_dev_groups[new_idx], -                sizeof(VkPhysicalDeviceGroupPropertiesKHR)); -        } - -        ++idx; -    } - -out: - -    if (VK_SUCCESS != res) { -        if (NULL != new_phys_dev_groups) { -            for (uint32_t i = 0; i < total_count; i++) { -                loader_instance_heap_free(inst, new_phys_dev_groups[i]); -            } -            loader_instance_heap_free(inst, new_phys_dev_groups); -        } -        total_count = 0; -    } else { -        // Free everything that didn't carry over to the new array of -        // physical device groups -        if (NULL != inst->phys_dev_groups_term) { -            for (uint32_t i = 0; i < inst->phys_dev_group_count_term; i++) { -                bool found = false; -                for (uint32_t j = 0; j < total_count; j++) { -                    if (inst->phys_dev_groups_term[i] == new_phys_dev_groups[j]) { -                        found = true; -                        break; -                    } -                } -                if (!found) { -                    loader_instance_heap_free(inst, inst->phys_dev_groups_term[i]); -                } -            } -            loader_instance_heap_free(inst, inst->phys_dev_groups_term); -        } - -        // Swap in the new physical device group list -        inst->phys_dev_group_count_term = total_count; -        inst->phys_dev_groups_term = new_phys_dev_groups; -    } - -    if (sorted_phys_dev_array != NULL) { -        for (uint32_t i = 0; i < sorted_count; ++i) { -            if (sorted_phys_dev_array[i].device_count > 0 && sorted_phys_dev_array[i].physical_devices != NULL) { -                loader_instance_heap_free(inst, sorted_phys_dev_array[i].physical_devices); -            } -        } -        loader_instance_heap_free(inst, sorted_phys_dev_array); -    } - -    return res; -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumeratePhysicalDeviceGroups( -    VkInstance instance, uint32_t *pPhysicalDeviceGroupCount, -    VkPhysicalDeviceGroupProperties *pPhysicalDeviceGroupProperties) { -    struct loader_instance *inst = (struct loader_instance *)instance; -    VkResult res = VK_SUCCESS; - -    // Always call the setup loader terminator physical device groups because they may -    // have changed at any point. -    res = setupLoaderTermPhysDevGroups(inst); -    if (VK_SUCCESS != res) { -        goto out; -    } - -    uint32_t copy_count = inst->phys_dev_group_count_term; -    if (NULL != pPhysicalDeviceGroupProperties) { -        if (copy_count > *pPhysicalDeviceGroupCount) { -            copy_count = *pPhysicalDeviceGroupCount; -            res = VK_INCOMPLETE; -        } - -        for (uint32_t i = 0; i < copy_count; i++) { -            memcpy(&pPhysicalDeviceGroupProperties[i], inst->phys_dev_groups_term[i], -                   sizeof(VkPhysicalDeviceGroupPropertiesKHR)); -        } -    } - -    *pPhysicalDeviceGroupCount = copy_count; - -out: - -    return res; -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceFeatures2(VkPhysicalDevice physicalDevice, -                                                                    VkPhysicalDeviceFeatures2 *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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceFeatures2 fpGetPhysicalDeviceFeatures2 = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        fpGetPhysicalDeviceFeatures2 = icd_term->dispatch.GetPhysicalDeviceFeatures2KHR; -    } else { -        fpGetPhysicalDeviceFeatures2 = icd_term->dispatch.GetPhysicalDeviceFeatures2; -    } - -    if (fpGetPhysicalDeviceFeatures2 != NULL || !inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        // Pass the call to the driver -        fpGetPhysicalDeviceFeatures2(phys_dev_term->phys_dev, pFeatures); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceFeatures2: Emulating call in ICD \"%s\" using vkGetPhysicalDeviceFeatures", -                   icd_term->scanned_icd->lib_name); - -        // Write to the VkPhysicalDeviceFeatures2 struct -        icd_term->dispatch.GetPhysicalDeviceFeatures(phys_dev_term->phys_dev, &pFeatures->features); - -        const VkBaseInStructure *pNext = pFeatures->pNext; -        while (pNext != NULL) { -            switch (pNext->sType) { -                case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_FEATURES: { -                    // Skip the check if VK_KHR_multiview is enabled because it's a device extension -                    // Write to the VkPhysicalDeviceMultiviewFeaturesKHR struct -                    VkPhysicalDeviceMultiviewFeaturesKHR *multiview_features = (VkPhysicalDeviceMultiviewFeaturesKHR *)pNext; -                    multiview_features->multiview = VK_FALSE; -                    multiview_features->multiviewGeometryShader = VK_FALSE; -                    multiview_features->multiviewTessellationShader = VK_FALSE; - -                    pNext = multiview_features->pNext; -                    break; -                } -                default: { -                    loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "vkGetPhysicalDeviceFeatures2: Emulation found unrecognized structure type in pFeatures->pNext - " -                               "this struct will be ignored"); - -                    pNext = pNext->pNext; -                    break; -                } -            } -        } -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceProperties2(VkPhysicalDevice physicalDevice, -                                                                      VkPhysicalDeviceProperties2 *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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceProperties2 fpGetPhysicalDeviceProperties2 = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        fpGetPhysicalDeviceProperties2 = icd_term->dispatch.GetPhysicalDeviceProperties2KHR; -    } else { -        fpGetPhysicalDeviceProperties2 = icd_term->dispatch.GetPhysicalDeviceProperties2; -    } - -    if (fpGetPhysicalDeviceProperties2 != NULL || !inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        // Pass the call to the driver -        fpGetPhysicalDeviceProperties2(phys_dev_term->phys_dev, pProperties); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceProperties2: Emulating call in ICD \"%s\" using vkGetPhysicalDeviceProperties", -                   icd_term->scanned_icd->lib_name); - -        // Write to the VkPhysicalDeviceProperties2 struct -        icd_term->dispatch.GetPhysicalDeviceProperties(phys_dev_term->phys_dev, &pProperties->properties); - -        const VkBaseInStructure *pNext = pProperties->pNext; -        while (pNext != NULL) { -            switch (pNext->sType) { -                case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES: { -                    VkPhysicalDeviceIDPropertiesKHR *id_properties = (VkPhysicalDeviceIDPropertiesKHR *)pNext; - -                    // Verify that "VK_KHR_external_memory_capabilities" is enabled -                    if (icd_term->this_instance->enabled_known_extensions.khr_external_memory_capabilities) { -                        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                                   "vkGetPhysicalDeviceProperties2: Emulation cannot generate unique IDs for struct " -                                   "VkPhysicalDeviceIDProperties - setting IDs to zero instead"); - -                        // Write to the VkPhysicalDeviceIDPropertiesKHR struct -                        memset(id_properties->deviceUUID, 0, VK_UUID_SIZE); -                        memset(id_properties->driverUUID, 0, VK_UUID_SIZE); -                        id_properties->deviceLUIDValid = VK_FALSE; -                    } - -                    pNext = id_properties->pNext; -                    break; -                } -                default: { -                    loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "vkGetPhysicalDeviceProperties2KHR: Emulation found unrecognized structure type in " -                               "pProperties->pNext - this struct will be ignored"); - -                    pNext = pNext->pNext; -                    break; -                } -            } -        } -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceFormatProperties2(VkPhysicalDevice physicalDevice, VkFormat format, -                                                                            VkFormatProperties2 *pFormatProperties) { -    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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceFormatProperties2 fpGetPhysicalDeviceFormatProperties2 = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        fpGetPhysicalDeviceFormatProperties2 = icd_term->dispatch.GetPhysicalDeviceFormatProperties2KHR; -    } else { -        fpGetPhysicalDeviceFormatProperties2 = icd_term->dispatch.GetPhysicalDeviceFormatProperties2; -    } - -    if (fpGetPhysicalDeviceFormatProperties2 != NULL || !inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        // Pass the call to the driver -        fpGetPhysicalDeviceFormatProperties2(phys_dev_term->phys_dev, format, pFormatProperties); -    } else { -        // Emulate the call -        loader_log( -            icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -            "vkGetPhysicalDeviceFormatProperties2: Emulating call in ICD \"%s\" using vkGetPhysicalDeviceFormatProperties", -            icd_term->scanned_icd->lib_name); - -        // Write to the VkFormatProperties2 struct -        icd_term->dispatch.GetPhysicalDeviceFormatProperties(phys_dev_term->phys_dev, format, &pFormatProperties->formatProperties); - -        if (pFormatProperties->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceFormatProperties2: Emulation found unrecognized structure type in " -                       "pFormatProperties->pNext - this struct will be ignored"); -        } -    } -} - -VKAPI_ATTR VkResult VKAPI_CALL terminator_GetPhysicalDeviceImageFormatProperties2( -    VkPhysicalDevice physicalDevice, const VkPhysicalDeviceImageFormatInfo2KHR *pImageFormatInfo, -    VkImageFormatProperties2KHR *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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceImageFormatProperties2 fpGetPhysicalDeviceImageFormatProperties2 = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        fpGetPhysicalDeviceImageFormatProperties2 = icd_term->dispatch.GetPhysicalDeviceImageFormatProperties2KHR; -    } else { -        fpGetPhysicalDeviceImageFormatProperties2 = icd_term->dispatch.GetPhysicalDeviceImageFormatProperties2; -    } - -    if (fpGetPhysicalDeviceImageFormatProperties2 != NULL || !inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        // Pass the call to the driver -        return fpGetPhysicalDeviceImageFormatProperties2(phys_dev_term->phys_dev, pImageFormatInfo, pImageFormatProperties); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceImageFormatProperties2: Emulating call in ICD \"%s\" using " -                   "vkGetPhysicalDeviceImageFormatProperties", -                   icd_term->scanned_icd->lib_name); - -        // If there is more info in  either pNext, then this is unsupported -        if (pImageFormatInfo->pNext != NULL || pImageFormatProperties->pNext != NULL) { -            return VK_ERROR_FORMAT_NOT_SUPPORTED; -        } - -        // Write to the VkImageFormatProperties2KHR struct -        return icd_term->dispatch.GetPhysicalDeviceImageFormatProperties( -            phys_dev_term->phys_dev, pImageFormatInfo->format, pImageFormatInfo->type, pImageFormatInfo->tiling, -            pImageFormatInfo->usage, pImageFormatInfo->flags, &pImageFormatProperties->imageFormatProperties); -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceQueueFamilyProperties2( -    VkPhysicalDevice physicalDevice, uint32_t *pQueueFamilyPropertyCount, VkQueueFamilyProperties2KHR *pQueueFamilyProperties) { -    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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceQueueFamilyProperties2 fpGetPhysicalDeviceQueueFamilyProperties2 = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        fpGetPhysicalDeviceQueueFamilyProperties2 = icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties2KHR; -    } else { -        fpGetPhysicalDeviceQueueFamilyProperties2 = icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties2; -    } - -    if (fpGetPhysicalDeviceQueueFamilyProperties2 != NULL || !inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        // Pass the call to the driver -        fpGetPhysicalDeviceQueueFamilyProperties2(phys_dev_term->phys_dev, pQueueFamilyPropertyCount, pQueueFamilyProperties); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceQueueFamilyProperties2: Emulating call in ICD \"%s\" using " -                   "vkGetPhysicalDeviceQueueFamilyProperties", -                   icd_term->scanned_icd->lib_name); - -        if (pQueueFamilyProperties == NULL || *pQueueFamilyPropertyCount == 0) { -            // Write to pQueueFamilyPropertyCount -            icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties(phys_dev_term->phys_dev, pQueueFamilyPropertyCount, NULL); -        } else { -            // Allocate a temporary array for the output of the old function -            VkQueueFamilyProperties *properties = loader_stack_alloc(*pQueueFamilyPropertyCount * sizeof(VkQueueFamilyProperties)); -            if (properties == NULL) { -                *pQueueFamilyPropertyCount = 0; -                loader_log( -                    icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                    "vkGetPhysicalDeviceQueueFamilyProperties2: Out of memory - Failed to allocate array for loader emulation."); -                return; -            } - -            icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties(phys_dev_term->phys_dev, pQueueFamilyPropertyCount, -                                                                      properties); -            for (uint32_t i = 0; i < *pQueueFamilyPropertyCount; ++i) { -                // Write to the VkQueueFamilyProperties2KHR struct -                memcpy(&pQueueFamilyProperties[i].queueFamilyProperties, &properties[i], sizeof(VkQueueFamilyProperties)); - -                if (pQueueFamilyProperties[i].pNext != NULL) { -                    loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "vkGetPhysicalDeviceQueueFamilyProperties2: Emulation found unrecognized structure type in " -                               "pQueueFamilyProperties[%d].pNext - this struct will be ignored", -                               i); -                } -            } -        } -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceMemoryProperties2( -    VkPhysicalDevice physicalDevice, VkPhysicalDeviceMemoryProperties2 *pMemoryProperties) { -    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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceMemoryProperties2 fpGetPhysicalDeviceMemoryProperties2 = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        fpGetPhysicalDeviceMemoryProperties2 = icd_term->dispatch.GetPhysicalDeviceMemoryProperties2KHR; -    } else { -        fpGetPhysicalDeviceMemoryProperties2 = icd_term->dispatch.GetPhysicalDeviceMemoryProperties2; -    } - -    if (fpGetPhysicalDeviceMemoryProperties2 != NULL || !inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        // Pass the call to the driver -        fpGetPhysicalDeviceMemoryProperties2(phys_dev_term->phys_dev, pMemoryProperties); -    } else { -        // Emulate the call -        loader_log( -            icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -            "vkGetPhysicalDeviceMemoryProperties2: Emulating call in ICD \"%s\" using vkGetPhysicalDeviceMemoryProperties", -            icd_term->scanned_icd->lib_name); - -        // Write to the VkPhysicalDeviceMemoryProperties2 struct -        icd_term->dispatch.GetPhysicalDeviceMemoryProperties(phys_dev_term->phys_dev, &pMemoryProperties->memoryProperties); - -        if (pMemoryProperties->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceMemoryProperties2: Emulation found unrecognized structure type in " -                       "pMemoryProperties->pNext - this struct will be ignored"); -        } -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceSparseImageFormatProperties2( -    VkPhysicalDevice physicalDevice, const VkPhysicalDeviceSparseImageFormatInfo2KHR *pFormatInfo, uint32_t *pPropertyCount, -    VkSparseImageFormatProperties2KHR *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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceSparseImageFormatProperties2 fpGetPhysicalDeviceSparseImageFormatProperties2 = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        fpGetPhysicalDeviceSparseImageFormatProperties2 = icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties2KHR; -    } else { -        fpGetPhysicalDeviceSparseImageFormatProperties2 = icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties2; -    } - -    if (fpGetPhysicalDeviceSparseImageFormatProperties2 != NULL || !inst->enabled_known_extensions.khr_get_physical_device_properties2) { -        // Pass the call to the driver -        fpGetPhysicalDeviceSparseImageFormatProperties2(phys_dev_term->phys_dev, pFormatInfo, pPropertyCount, pProperties); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceSparseImageFormatProperties2: Emulating call in ICD \"%s\" using " -                   "vkGetPhysicalDeviceSparseImageFormatProperties", -                   icd_term->scanned_icd->lib_name); - -        if (pFormatInfo->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceSparseImageFormatProperties2: Emulation found unrecognized structure type in " -                       "pFormatInfo->pNext - this struct will be ignored"); -        } - -        if (pProperties == NULL || *pPropertyCount == 0) { -            // Write to pPropertyCount -            icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties( -                phys_dev_term->phys_dev, pFormatInfo->format, pFormatInfo->type, pFormatInfo->samples, pFormatInfo->usage, -                pFormatInfo->tiling, pPropertyCount, NULL); -        } else { -            // Allocate a temporary array for the output of the old function -            VkSparseImageFormatProperties *properties = -                loader_stack_alloc(*pPropertyCount * sizeof(VkSparseImageMemoryRequirements)); -            if (properties == NULL) { -                *pPropertyCount = 0; -                loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, -                           "vkGetPhysicalDeviceSparseImageFormatProperties2: Out of memory - Failed to allocate array for " -                           "loader emulation."); -                return; -            } - -            icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties( -                phys_dev_term->phys_dev, pFormatInfo->format, pFormatInfo->type, pFormatInfo->samples, pFormatInfo->usage, -                pFormatInfo->tiling, pPropertyCount, properties); -            for (uint32_t i = 0; i < *pPropertyCount; ++i) { -                // Write to the VkSparseImageFormatProperties2KHR struct -                memcpy(&pProperties[i].properties, &properties[i], sizeof(VkSparseImageFormatProperties)); - -                if (pProperties[i].pNext != NULL) { -                    loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                               "vkGetPhysicalDeviceSparseImageFormatProperties2: Emulation found unrecognized structure type in " -                               "pProperties[%d].pNext - this struct will be ignored", -                               i); -                } -            } -        } -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceExternalBufferProperties( -    VkPhysicalDevice physicalDevice, const VkPhysicalDeviceExternalBufferInfo *pExternalBufferInfo, -    VkExternalBufferProperties *pExternalBufferProperties) { -    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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceExternalBufferProperties fpGetPhysicalDeviceExternalBufferProperties = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_external_memory_capabilities) { -        fpGetPhysicalDeviceExternalBufferProperties = icd_term->dispatch.GetPhysicalDeviceExternalBufferPropertiesKHR; -    } else { -        fpGetPhysicalDeviceExternalBufferProperties = icd_term->dispatch.GetPhysicalDeviceExternalBufferProperties; -    } - -    if (fpGetPhysicalDeviceExternalBufferProperties || !inst->enabled_known_extensions.khr_external_memory_capabilities) { -        // Pass the call to the driver -        fpGetPhysicalDeviceExternalBufferProperties(phys_dev_term->phys_dev, pExternalBufferInfo, pExternalBufferProperties); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceExternalBufferProperties: Emulating call in ICD \"%s\"", icd_term->scanned_icd->lib_name); - -        if (pExternalBufferInfo->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceExternalBufferProperties: Emulation found unrecognized structure type in " -                       "pExternalBufferInfo->pNext - this struct will be ignored"); -        } - -        // Fill in everything being unsupported -        memset(&pExternalBufferProperties->externalMemoryProperties, 0, sizeof(VkExternalMemoryPropertiesKHR)); - -        if (pExternalBufferProperties->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceExternalBufferProperties: Emulation found unrecognized structure type in " -                       "pExternalBufferProperties->pNext - this struct will be ignored"); -        } -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceExternalSemaphoreProperties( -    VkPhysicalDevice physicalDevice, const VkPhysicalDeviceExternalSemaphoreInfo *pExternalSemaphoreInfo, -    VkExternalSemaphoreProperties *pExternalSemaphoreProperties) { -    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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceExternalSemaphoreProperties fpGetPhysicalDeviceExternalSemaphoreProperties = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_external_semaphore_capabilities) { -        fpGetPhysicalDeviceExternalSemaphoreProperties = icd_term->dispatch.GetPhysicalDeviceExternalSemaphorePropertiesKHR; -    } else { -        fpGetPhysicalDeviceExternalSemaphoreProperties = icd_term->dispatch.GetPhysicalDeviceExternalSemaphoreProperties; -    } - -    if (fpGetPhysicalDeviceExternalSemaphoreProperties != NULL || !inst->enabled_known_extensions.khr_external_semaphore_capabilities) { -        // Pass the call to the driver -        fpGetPhysicalDeviceExternalSemaphoreProperties(phys_dev_term->phys_dev, pExternalSemaphoreInfo, pExternalSemaphoreProperties); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceExternalSemaphoreProperties: Emulating call in ICD \"%s\"", -                   icd_term->scanned_icd->lib_name); - -        if (pExternalSemaphoreInfo->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceExternalSemaphoreProperties: Emulation found unrecognized structure type in " -                       "pExternalSemaphoreInfo->pNext - this struct will be ignored"); -        } - -        // Fill in everything being unsupported -        pExternalSemaphoreProperties->exportFromImportedHandleTypes = 0; -        pExternalSemaphoreProperties->compatibleHandleTypes = 0; -        pExternalSemaphoreProperties->externalSemaphoreFeatures = 0; - -        if (pExternalSemaphoreProperties->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceExternalSemaphoreProperties: Emulation found unrecognized structure type in " -                       "pExternalSemaphoreProperties->pNext - this struct will be ignored"); -        } -    } -} - -VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceExternalFenceProperties( -    VkPhysicalDevice physicalDevice, const VkPhysicalDeviceExternalFenceInfo *pExternalFenceInfo, -    VkExternalFenceProperties *pExternalFenceProperties) { -    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; -    const struct loader_instance *inst = icd_term->this_instance; - -    // Get the function pointer to use to call into the ICD. This could be the core or KHR version -    PFN_vkGetPhysicalDeviceExternalFenceProperties fpGetPhysicalDeviceExternalFenceProperties = NULL; -    if (inst != NULL && inst->enabled_known_extensions.khr_external_fence_capabilities) { -        fpGetPhysicalDeviceExternalFenceProperties = icd_term->dispatch.GetPhysicalDeviceExternalFencePropertiesKHR; -    } else { -        fpGetPhysicalDeviceExternalFenceProperties = icd_term->dispatch.GetPhysicalDeviceExternalFenceProperties; -    } - -    if (fpGetPhysicalDeviceExternalFenceProperties != NULL || !inst->enabled_known_extensions.khr_external_fence_capabilities) { -        // Pass the call to the driver -        fpGetPhysicalDeviceExternalFenceProperties(phys_dev_term->phys_dev, pExternalFenceInfo, pExternalFenceProperties); -    } else { -        // Emulate the call -        loader_log(icd_term->this_instance, VK_DEBUG_REPORT_INFORMATION_BIT_EXT, 0, -                   "vkGetPhysicalDeviceExternalFenceProperties: Emulating call in ICD \"%s\"", icd_term->scanned_icd->lib_name); - -        if (pExternalFenceInfo->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceExternalFenceProperties: Emulation found unrecognized structure type in " -                       "pExternalFenceInfo->pNext - this struct will be ignored"); -        } - -        // Fill in everything being unsupported -        pExternalFenceProperties->exportFromImportedHandleTypes = 0; -        pExternalFenceProperties->compatibleHandleTypes = 0; -        pExternalFenceProperties->externalFenceFeatures = 0; - -        if (pExternalFenceProperties->pNext != NULL) { -            loader_log(icd_term->this_instance, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, -                       "vkGetPhysicalDeviceExternalFenceProperties: Emulation found unrecognized structure type in " -                       "pExternalFenceProperties->pNext - this struct will be ignored"); -        } -    } -}  |