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-rw-r--r--thirdparty/vulkan/loader/loader.c8100
1 files changed, 8100 insertions, 0 deletions
diff --git a/thirdparty/vulkan/loader/loader.c b/thirdparty/vulkan/loader/loader.c
new file mode 100644
index 0000000000..c7cdb47122
--- /dev/null
+++ b/thirdparty/vulkan/loader/loader.c
@@ -0,0 +1,8100 @@
+/*
+ *
+ * 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 "adapters.h"
+#include "dxgi_loader.h"
+#endif
+
+// This is a CMake generated file with #defines for any functions/includes
+// that it found present. This is currently necessary to properly determine
+// if secure_getenv or __secure_getenv are present
+#if !defined(VULKAN_NON_CMAKE_BUILD)
+#include "loader_cmake_config.h"
+#endif // !defined(VULKAN_NON_CMAKE_BUILD)
+
+// Generated file containing all the extension data
+#include "vk_loader_extensions.c"
+
+// 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_ONCE_DECLARATION(once_init);
+
+// This loader supports Vulkan API version 1.1
+uint32_t loader_major_version = 1;
+uint32_t loader_minor_version = 2;
+
+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__)
+
+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);
+#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);
+#endif
+#endif
+ if (out == NULL) {
+ loader_log(inst, LOADER_INFO_BIT, 0,
+ "Loader is running with elevated permissions. Environment variable %s will be ignored.", name);
+ }
+ return out;
+}
+
+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_INFO_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}";
+ const ULONG flags = CM_GETIDLIST_FILTER_CLASS | CM_GETIDLIST_FILTER_PRESENT;
+
+ 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 = dyn_CreateDXGIFactory1(&IID_IDXGIFactory1, &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 vers = 0, major = 0, minor = 0, patch = 0;
+ char *vers_tok;
+
+ if (!vers_str) {
+ return vers;
+ }
+
+ vers_tok = strtok(vers_str, ".\"\n\r");
+ if (NULL != vers_tok) {
+ major = (uint16_t)atoi(vers_tok);
+ vers_tok = strtok(NULL, ".\"\n\r");
+ if (NULL != vers_tok) {
+ minor = (uint16_t)atoi(vers_tok);
+ vers_tok = strtok(NULL, ".\"\n\r");
+ if (NULL != vers_tok) {
+ patch = (uint16_t)atoi(vers_tok);
+ }
+ }
+ }
+
+ return VK_MAKE_VERSION(major, minor, patch);
+}
+
+bool compare_vk_extension_properties(const VkExtensionProperties *op1, const VkExtensionProperties *op2) {
+ return strcmp(op1->extensionName, op2->extensionName) == 0 ? true : false;
+}
+
+// Search the given ext_array for an extension matching the given vk_ext_prop
+bool has_vk_extension_property_array(const VkExtensionProperties *vk_ext_prop, const uint32_t count,
+ const VkExtensionProperties *ext_array) {
+ for (uint32_t i = 0; i < count; i++) {
+ if (compare_vk_extension_properties(vk_ext_prop, &ext_array[i])) return true;
+ }
+ return false;
+}
+
+// Search the given ext_list for an extension matching the given vk_ext_prop
+bool has_vk_extension_property(const VkExtensionProperties *vk_ext_prop, const struct loader_extension_list *ext_list) {
+ for (uint32_t i = 0; i < ext_list->count; i++) {
+ if (compare_vk_extension_properties(&ext_list->list[i], vk_ext_prop)) return true;
+ }
+ return false;
+}
+
+// Search the given ext_list for a device extension matching the given ext_prop
+bool has_vk_dev_ext_property(const VkExtensionProperties *ext_prop, const struct loader_device_extension_list *ext_list) {
+ for (uint32_t i = 0; i < ext_list->count; i++) {
+ if (compare_vk_extension_properties(&ext_list->list[i].props, ext_prop)) return true;
+ }
+ return false;
+}
+
+// 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;
+ }
+ 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);
+ }
+}
+
+// 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(&current);
+
+ 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.
+void 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) {
+ 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) {
+ loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0, "loaderAddLayerNameToList: Failed to find layer name %s to activate",
+ name);
+ }
+}
+
+static VkExtensionProperties *get_extension_property(const char *name, const struct loader_extension_list *list) {
+ for (uint32_t i = 0; i < list->count; i++) {
+ if (strcmp(name, list->list[i].extensionName) == 0) return &list->list[i];
+ }
+ return NULL;
+}
+
+static VkExtensionProperties *get_dev_extension_property(const char *name, const struct loader_device_extension_list *list) {
+ for (uint32_t i = 0; i < list->count; i++) {
+ if (strcmp(name, list->list[i].props.extensionName) == 0) return &list->list[i].props;
+ }
+ return NULL;
+}
+
+// For Instance extensions implemented within the loader (i.e. DEBUG_REPORT
+// the extension must provide two entry points for the loader to use:
+// - "trampoline" entry point - this is the address returned by GetProcAddr
+// and will always do what's necessary to support a
+// global call.
+// - "terminator" function - this function will be put at the end of the
+// instance chain and will contain the necessary logic
+// to call / process the extension for the appropriate
+// ICDs that are available.
+// There is no generic mechanism for including these functions, the references
+// must be placed into the appropriate loader entry points.
+// GetInstanceProcAddr: call extension GetInstanceProcAddr to check for GetProcAddr
+// requests
+// loader_coalesce_extensions(void) - add extension records to the list of global
+// extension available to the app.
+// instance_disp - add function pointer for terminator function
+// to this array.
+// The extension itself should be in a separate file that will be linked directly
+// with the loader.
+VkResult loader_get_icd_loader_instance_extensions(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list,
+ struct loader_extension_list *inst_exts) {
+ struct loader_extension_list icd_exts;
+ VkResult res = VK_SUCCESS;
+ char *env_value;
+ bool filter_extensions = true;
+
+ loader_log(inst, VK_DEBUG_REPORT_DEBUG_BIT_EXT, 0, "Build ICD instance extension list");
+
+ // Check if a user wants to disable the instance extension filtering behavior
+ env_value = loader_getenv("VK_LOADER_DISABLE_INST_EXT_FILTER", inst);
+ if (NULL != env_value && atoi(env_value) != 0) {
+ filter_extensions = false;
+ }
+ loader_free_getenv(env_value, inst);
+
+ // traverse scanned icd list adding non-duplicate extensions to the list
+ for (uint32_t i = 0; i < icd_tramp_list->count; i++) {
+ res = loader_init_generic_list(inst, (struct loader_generic_list *)&icd_exts, sizeof(VkExtensionProperties));
+ if (VK_SUCCESS != res) {
+ goto out;
+ }
+ res = loader_add_instance_extensions(inst, icd_tramp_list->scanned_list[i].EnumerateInstanceExtensionProperties,
+ icd_tramp_list->scanned_list[i].lib_name, &icd_exts);
+ if (VK_SUCCESS == res) {
+ if (filter_extensions) {
+ // Remove any extensions not recognized by the loader
+ for (int32_t j = 0; j < (int32_t)icd_exts.count; j++) {
+ // See if the extension is in the list of supported extensions
+ bool found = false;
+ for (uint32_t k = 0; LOADER_INSTANCE_EXTENSIONS[k] != NULL; k++) {
+ if (strcmp(icd_exts.list[j].extensionName, LOADER_INSTANCE_EXTENSIONS[k]) == 0) {
+ found = true;
+ break;
+ }
+ }
+
+ // If it isn't in the list, remove it
+ if (!found) {
+ for (uint32_t k = j + 1; k < icd_exts.count; k++) {
+ icd_exts.list[k - 1] = icd_exts.list[k];
+ }
+ --icd_exts.count;
+ --j;
+ }
+ }
+ }
+
+ res = loader_add_to_ext_list(inst, inst_exts, icd_exts.count, icd_exts.list);
+ }
+ loader_destroy_generic_list(inst, (struct loader_generic_list *)&icd_exts);
+ if (VK_SUCCESS != res) {
+ goto out;
+ }
+ };
+
+ // Traverse loader's extensions, adding non-duplicate extensions to the list
+ debug_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;
+ struct loader_scanned_icd *new_scanned_icd;
+ uint32_t interface_vers;
+ VkResult res = VK_SUCCESS;
+
+ // TODO implement smarter opening/closing of libraries. For now this
+ // function leaves libraries open and the scanned_icd_clear closes them
+ handle = loader_platform_open_library(filename);
+ if (NULL == handle) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, loader_platform_open_library_error(filename));
+ goto out;
+ }
+
+ // Get and settle on an ICD interface version
+ fp_negotiate_icd_version = loader_platform_get_proc_address(handle, "vk_icdNegotiateLoaderICDInterfaceVersion");
+
+ if (!loader_get_icd_interface_version(fp_negotiate_icd_version, &interface_vers)) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_scanned_icd_add: ICD %s doesn't support interface"
+ " version compatible with loader, skip this ICD.",
+ filename);
+ goto out;
+ }
+
+ fp_get_proc_addr = loader_platform_get_proc_address(handle, "vk_icdGetInstanceProcAddr");
+ if (NULL == fp_get_proc_addr) {
+ assert(interface_vers == 0);
+ // Use deprecated interface from version 0
+ fp_get_proc_addr = loader_platform_get_proc_address(handle, "vkGetInstanceProcAddr");
+ if (NULL == fp_get_proc_addr) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_scanned_icd_add: Attempt to retrieve either "
+ "\'vkGetInstanceProcAddr\' or "
+ "\'vk_icdGetInstanceProcAddr\' from ICD %s failed.",
+ filename);
+ goto out;
+ } else {
+ loader_log(inst, VK_DEBUG_REPORT_WARNING_BIT_EXT, 0,
+ "loader_scanned_icd_add: Using deprecated ICD "
+ "interface of \'vkGetInstanceProcAddr\' instead of "
+ "\'vk_icdGetInstanceProcAddr\' for ICD %s",
+ filename);
+ }
+ fp_create_inst = loader_platform_get_proc_address(handle, "vkCreateInstance");
+ if (NULL == fp_create_inst) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_scanned_icd_add: Failed querying "
+ "\'vkCreateInstance\' via dlsym/loadlibrary for "
+ "ICD %s",
+ filename);
+ goto out;
+ }
+ fp_get_inst_ext_props = loader_platform_get_proc_address(handle, "vkEnumerateInstanceExtensionProperties");
+ if (NULL == fp_get_inst_ext_props) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_scanned_icd_add: Could not get \'vkEnumerate"
+ "InstanceExtensionProperties\' via dlsym/loadlibrary "
+ "for ICD %s",
+ filename);
+ goto out;
+ }
+ } else {
+ // Use newer interface version 1 or later
+ if (interface_vers == 0) {
+ interface_vers = 1;
+ }
+
+ fp_create_inst = (PFN_vkCreateInstance)fp_get_proc_addr(NULL, "vkCreateInstance");
+ if (NULL == fp_create_inst) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_scanned_icd_add: Could not get "
+ "\'vkCreateInstance\' via \'vk_icdGetInstanceProcAddr\'"
+ " for ICD %s",
+ filename);
+ goto out;
+ }
+ fp_get_inst_ext_props =
+ (PFN_vkEnumerateInstanceExtensionProperties)fp_get_proc_addr(NULL, "vkEnumerateInstanceExtensionProperties");
+ if (NULL == fp_get_inst_ext_props) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_scanned_icd_add: Could not get \'vkEnumerate"
+ "InstanceExtensionProperties\' via "
+ "\'vk_icdGetInstanceProcAddr\' for ICD %s",
+ filename);
+ goto out;
+ }
+ fp_get_phys_dev_proc_addr = loader_platform_get_proc_address(handle, "vk_icdGetPhysicalDeviceProcAddr");
+ }
+
+ // check for enough capacity
+ if ((icd_tramp_list->count * sizeof(struct loader_scanned_icd)) >= icd_tramp_list->capacity) {
+ void *new_ptr = loader_instance_heap_realloc(inst, icd_tramp_list->scanned_list, icd_tramp_list->capacity,
+ icd_tramp_list->capacity * 2, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (NULL == new_ptr) {
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_scanned_icd_add: Realloc failed on icd library list for ICD %s", filename);
+ goto out;
+ }
+ icd_tramp_list->scanned_list = new_ptr;
+
+ // double capacity
+ icd_tramp_list->capacity *= 2;
+ }
+
+ new_scanned_icd = &(icd_tramp_list->scanned_list[icd_tramp_list->count]);
+ new_scanned_icd->handle = handle;
+ new_scanned_icd->api_version = api_version;
+ new_scanned_icd->GetInstanceProcAddr = fp_get_proc_addr;
+ new_scanned_icd->GetPhysicalDeviceProcAddr = fp_get_phys_dev_proc_addr;
+ new_scanned_icd->EnumerateInstanceExtensionProperties = fp_get_inst_ext_props;
+ new_scanned_icd->CreateInstance = fp_create_inst;
+ new_scanned_icd->interface_version = interface_vers;
+
+ new_scanned_icd->lib_name = (char *)loader_instance_heap_alloc(inst, strlen(filename) + 1, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (NULL == new_scanned_icd->lib_name) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_scanned_icd_add: Out of memory can't add ICD %s", filename);
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+ strcpy(new_scanned_icd->lib_name, filename);
+ icd_tramp_list->count++;
+
+out:
+
+ return res;
+}
+
+static void loader_debug_init(void) {
+ char *env, *orig;
+
+ if (g_loader_debug > 0) return;
+
+ g_loader_debug = 0;
+
+ // Parse comma-separated debug options
+ orig = env = loader_getenv("VK_LOADER_DEBUG", NULL);
+ while (env) {
+ char *p = strchr(env, ',');
+ size_t len;
+
+ if (p)
+ len = p - env;
+ else
+ len = strlen(env);
+
+ if (len > 0) {
+ if (strncmp(env, "all", len) == 0) {
+ g_loader_debug = ~0u;
+ g_loader_log_msgs = ~0u;
+ } else if (strncmp(env, "warn", len) == 0) {
+ g_loader_debug |= LOADER_WARN_BIT;
+ g_loader_log_msgs |= VK_DEBUG_REPORT_WARNING_BIT_EXT;
+ } else if (strncmp(env, "info", len) == 0) {
+ g_loader_debug |= LOADER_INFO_BIT;
+ g_loader_log_msgs |= VK_DEBUG_REPORT_INFORMATION_BIT_EXT;
+ } else if (strncmp(env, "perf", len) == 0) {
+ g_loader_debug |= LOADER_PERF_BIT;
+ g_loader_log_msgs |= VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
+ } else if (strncmp(env, "error", len) == 0) {
+ g_loader_debug |= LOADER_ERROR_BIT;
+ g_loader_log_msgs |= VK_DEBUG_REPORT_ERROR_BIT_EXT;
+ } else if (strncmp(env, "debug", len) == 0) {
+ g_loader_debug |= LOADER_DEBUG_BIT;
+ g_loader_log_msgs |= VK_DEBUG_REPORT_DEBUG_BIT_EXT;
+ }
+ }
+
+ if (!p) break;
+
+ env = p + 1;
+ }
+
+ loader_free_getenv(orig, NULL);
+}
+
+void loader_initialize(void) {
+ // initialize mutexes
+ loader_platform_thread_create_mutex(&loader_lock);
+ loader_platform_thread_create_mutex(&loader_json_lock);
+
+ // initialize logging
+ loader_debug_init();
+
+ // initial cJSON to use alloc callbacks
+ cJSON_Hooks alloc_fns = {
+ .malloc_fn = loader_instance_tls_heap_alloc, .free_fn = loader_instance_tls_heap_free,
+ };
+ cJSON_InitHooks(&alloc_fns);
+
+#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");
+#endif
+}
+
+struct loader_data_files {
+ uint32_t count;
+ uint32_t alloc_count;
+ char **filename_list;
+};
+
+void loader_release() {
+ // release mutexes
+ loader_platform_thread_delete_mutex(&loader_lock);
+ loader_platform_thread_delete_mutex(&loader_json_lock);
+}
+
+// Get next file or dirname given a string list or registry key path
+//
+// \returns
+// A pointer to first char in the next path.
+// The next path (or NULL) in the list is returned in next_path.
+// Note: input string is modified in some cases. PASS IN A COPY!
+static char *loader_get_next_path(char *path) {
+ uint32_t len;
+ char *next;
+
+ if (path == NULL) return NULL;
+ next = strchr(path, PATH_SEPARATOR);
+ if (next == NULL) {
+ len = (uint32_t)strlen(path);
+ next = path + len;
+ } else {
+ *next = '\0';
+ next++;
+ }
+
+ return next;
+}
+
+// Given a path which is absolute or relative, expand the path if relative or
+// leave the path unmodified if absolute. The base path to prepend to relative
+// paths is given in rel_base.
+//
+// @return - A string in out_fullpath of the full absolute path
+static void loader_expand_path(const char *path, const char *rel_base, size_t out_size, char *out_fullpath) {
+ if (loader_platform_is_path_absolute(path)) {
+ // do not prepend a base to an absolute path
+ rel_base = "";
+ }
+
+ loader_platform_combine_path(out_fullpath, out_size, rel_base, path, NULL);
+}
+
+// Given a filename (file) and a list of paths (dir), try to find an existing
+// file in the paths. If filename already is a path then no searching in the given paths.
+//
+// @return - A string in out_fullpath of either the full path or file.
+static void loader_get_fullpath(const char *file, const char *dirs, size_t out_size, char *out_fullpath) {
+ if (!loader_platform_is_path(file) && *dirs) {
+ char *dirs_copy, *dir, *next_dir;
+
+ dirs_copy = loader_stack_alloc(strlen(dirs) + 1);
+ strcpy(dirs_copy, dirs);
+
+ // find if file exists after prepending paths in given list
+ for (dir = dirs_copy; *dir && (next_dir = loader_get_next_path(dir)); dir = next_dir) {
+ loader_platform_combine_path(out_fullpath, out_size, dir, file, NULL);
+ if (loader_platform_file_exists(out_fullpath)) {
+ return;
+ }
+ }
+ }
+
+ (void)snprintf(out_fullpath, out_size, "%s", file);
+}
+
+// Read a JSON file into a buffer.
+//
+// @return - A pointer to a cJSON object representing the JSON parse tree.
+// This returned buffer should be freed by caller.
+static VkResult loader_get_json(const struct loader_instance *inst, const char *filename, cJSON **json) {
+ FILE *file = NULL;
+ char *json_buf;
+ size_t len;
+ VkResult res = VK_SUCCESS;
+
+ if (NULL == json) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_get_json: Received invalid JSON file");
+ res = VK_ERROR_INITIALIZATION_FAILED;
+ goto out;
+ }
+
+ *json = NULL;
+
+ file = fopen(filename, "rb");
+ if (!file) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_get_json: Failed to open JSON file %s", filename);
+ res = VK_ERROR_INITIALIZATION_FAILED;
+ goto out;
+ }
+ fseek(file, 0, SEEK_END);
+ len = ftell(file);
+ fseek(file, 0, SEEK_SET);
+ json_buf = (char *)loader_stack_alloc(len + 1);
+ if (json_buf == NULL) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_get_json: Failed to allocate space for "
+ "JSON file %s buffer of length %d",
+ filename, len);
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+ if (fread(json_buf, sizeof(char), len, file) != len) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0, "loader_get_json: Failed to read JSON file %s.", filename);
+ res = VK_ERROR_INITIALIZATION_FAILED;
+ goto out;
+ }
+ json_buf[len] = '\0';
+
+ // Parse text from file
+ *json = cJSON_Parse(json_buf);
+ if (*json == NULL) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "loader_get_json: Failed to parse JSON file %s, "
+ "this is usually because something ran out of "
+ "memory.",
+ filename);
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+
+out:
+ if (NULL != file) {
+ fclose(file);
+ }
+
+ return res;
+}
+
+// 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);
+ }
+
+ // 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;
+ }
+ }
+}
+
+// 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);
+
+ // 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;
+
+ // 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;
+
+ // 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);
+ }
+ }
+ }
+
+ 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);
+ }
+ 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;
+ }
+
+ 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;
+ 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) {
+ 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;
+ }
+ }
+ }
+
+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;
+#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 (xdgconfdirs == NULL || xdgconfdirs[0] == '\0') {
+ xdgconfdirs = FALLBACK_CONFIG_DIRS;
+ }
+ if (xdgdatadirs == NULL || xdgdatadirs[0] == '\0') {
+ xdgdatadirs = FALLBACK_DATA_DIRS;
+ }
+
+ // 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;
+ }
+ 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
+ }
+
+ // 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);
+
+ 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;
+ bool is_icd = (data_file_type == LOADER_DATA_FILE_MANIFEST_ICD);
+ 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, &reg_size, LoaderPnpDriverRegistryWide());
+ if (regHKR_result == VK_INCOMPLETE) {
+ regHKR_result = loaderGetDeviceRegistryFiles(inst, &search_path, &reg_size, LoaderPnpDriverRegistry());
+ }
+ } else if (!strncmp(registry_location, VK_ELAYERS_INFO_REGISTRY_LOC, sizeof(VK_ELAYERS_INFO_REGISTRY_LOC))) {
+ regHKR_result = ReadManifestsFromD3DAdapters(inst, &search_path, &reg_size, LoaderPnpELayerRegistryWide());
+ if (regHKR_result == VK_INCOMPLETE) {
+ regHKR_result = loaderGetDeviceRegistryFiles(inst, &search_path, &reg_size, LoaderPnpELayerRegistry());
+ }
+ } else if (!strncmp(registry_location, VK_ILAYERS_INFO_REGISTRY_LOC, sizeof(VK_ILAYERS_INFO_REGISTRY_LOC))) {
+ regHKR_result = ReadManifestsFromD3DAdapters(inst, &search_path, &reg_size, LoaderPnpILayerRegistryWide());
+ if (regHKR_result == VK_INCOMPLETE) {
+ regHKR_result = loaderGetDeviceRegistryFiles(inst, &search_path, &reg_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, &reg_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);
+
+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", 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) {
+ 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 (VK_SUCCESS != local_res) {
+ goto out;
+ }
+ }
+ }
+
+ // 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", 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;
+ }
+ }
+
+ // 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", 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);
+ 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);
+ }
+ 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 void 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) {
+ 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);
+ loaderAddLayerNameToList(inst, name, type_flags, source_list, target_list, expanded_target_list);
+ name = next;
+ }
+
+out:
+
+ if (layer_env != NULL) {
+ loader_free_getenv(layer_env, inst);
+ }
+
+ return;
+}
+
+VkResult 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
+ loaderAddEnvironmentLayers(inst, VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER, "VK_INSTANCE_LAYERS", &inst->app_activated_layer_list,
+ &inst->expanded_activated_layer_list, instance_layers);
+
+ // 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);
+ }
+ }
+
+ 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++;
+ }
+ }
+
+ PFN_vkCreateInstance fpCreateInstance = (PFN_vkCreateInstance)next_gipa(*created_instance, "vkCreateInstance");
+ if (fpCreateInstance) {
+ VkLayerInstanceCreateInfo create_info_disp;
+
+ create_info_disp.sType = VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO;
+ create_info_disp.function = VK_LOADER_DATA_CALLBACK;
+
+ create_info_disp.u.pfnSetInstanceLoaderData = vkSetInstanceDispatch;
+
+ create_info_disp.pNext = loader_create_info.pNext;
+ loader_create_info.pNext = &create_info_disp;
+
+ VkLayerInstanceCreateInfo create_info_disp2;
+
+ create_info_disp2.sType = VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO;
+ create_info_disp2.function = VK_LOADER_LAYER_CREATE_DEVICE_CALLBACK;
+
+ create_info_disp2.u.layerDevice.pfnLayerCreateDevice = loader_layer_create_device;
+ create_info_disp2.u.layerDevice.pfnLayerDestroyDevice = loader_layer_destroy_device;
+
+ create_info_disp2.pNext = loader_create_info.pNext;
+ loader_create_info.pNext = &create_info_disp2;
+
+ 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);
+ loaderAddEnvironmentLayers(inst, VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER, ENABLED_LAYERS_ENV, &active_layers, &expanded_layers,
+ instance_layers);
+ 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_MAKE_VERSION(1, 1, 0)) {
+ 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;
+}
+
+VkResult setupLoaderTermPhysDevs(struct loader_instance *inst) {
+ VkResult res = VK_SUCCESS;
+ struct loader_icd_term *icd_term;
+ struct loader_phys_dev_per_icd *icd_phys_dev_array = NULL;
+ struct loader_physical_device_term **new_phys_devs = NULL;
+
+ inst->total_gpu_count = 0;
+
+ // Allocate something to store the physical device characteristics
+ // that we read from each ICD.
+ icd_phys_dev_array =
+ (struct loader_phys_dev_per_icd *)loader_stack_alloc(sizeof(struct loader_phys_dev_per_icd) * inst->total_icd_count);
+ if (NULL == icd_phys_dev_array) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "setupLoaderTermPhysDevs: Failed to allocate temporary "
+ "ICD Physical device info array of size %d",
+ inst->total_gpu_count);
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+ memset(icd_phys_dev_array, 0, sizeof(struct loader_phys_dev_per_icd) * inst->total_icd_count);
+ icd_term = inst->icd_terms;
+
+ // For each ICD, query the number of physical devices, and then get an
+ // internal value for those physical devices.
+ for (uint32_t icd_idx = 0; NULL != icd_term; icd_term = icd_term->next, icd_idx++) {
+ res = icd_term->dispatch.EnumeratePhysicalDevices(icd_term->instance, &icd_phys_dev_array[icd_idx].count, NULL);
+ if (VK_SUCCESS != res) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "setupLoaderTermPhysDevs: Call to "
+ "ICD %d's \'vkEnumeratePhysicalDevices\' failed with"
+ " error 0x%08x",
+ icd_idx, res);
+ goto out;
+ }
+
+ icd_phys_dev_array[icd_idx].phys_devs =
+ (VkPhysicalDevice *)loader_stack_alloc(icd_phys_dev_array[icd_idx].count * sizeof(VkPhysicalDevice));
+ if (NULL == icd_phys_dev_array[icd_idx].phys_devs) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "setupLoaderTermPhysDevs: Failed to allocate temporary "
+ "ICD Physical device array for ICD %d of size %d",
+ icd_idx, inst->total_gpu_count);
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+
+ res = icd_term->dispatch.EnumeratePhysicalDevices(icd_term->instance, &(icd_phys_dev_array[icd_idx].count),
+ icd_phys_dev_array[icd_idx].phys_devs);
+ if (VK_SUCCESS != res) {
+ goto out;
+ }
+ inst->total_gpu_count += icd_phys_dev_array[icd_idx].count;
+ icd_phys_dev_array[icd_idx].this_icd_term = icd_term;
+ }
+
+ if (0 == inst->total_gpu_count) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "setupLoaderTermPhysDevs: Failed to detect any valid"
+ " GPUs in the current config");
+ res = VK_ERROR_INITIALIZATION_FAILED;
+ goto out;
+ }
+
+ new_phys_devs = loader_instance_heap_alloc(inst, sizeof(struct loader_physical_device_term *) * inst->total_gpu_count,
+ VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (NULL == new_phys_devs) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "setupLoaderTermPhysDevs: Failed to allocate new physical"
+ " device array of size %d",
+ inst->total_gpu_count);
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+ memset(new_phys_devs, 0, sizeof(struct loader_physical_device_term *) * inst->total_gpu_count);
+
+ // Copy or create everything to fill the new array of physical devices
+ uint32_t idx = 0;
+ for (uint32_t icd_idx = 0; icd_idx < inst->total_icd_count; icd_idx++) {
+ for (uint32_t pd_idx = 0; pd_idx < icd_phys_dev_array[icd_idx].count; pd_idx++) {
+ // Check if this physical device is already in the old buffer
+ if (NULL != inst->phys_devs_term) {
+ for (uint32_t old_idx = 0; old_idx < inst->phys_dev_count_term; old_idx++) {
+ if (icd_phys_dev_array[icd_idx].phys_devs[pd_idx] == inst->phys_devs_term[old_idx]->phys_dev) {
+ new_phys_devs[idx] = inst->phys_devs_term[old_idx];
+ break;
+ }
+ }
+ }
+ // If this physical device isn't in the old buffer, then we
+ // need to create it.
+ if (NULL == new_phys_devs[idx]) {
+ new_phys_devs[idx] = loader_instance_heap_alloc(inst, sizeof(struct loader_physical_device_term),
+ VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (NULL == new_phys_devs[idx]) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "setupLoaderTermPhysDevs: Failed to allocate "
+ "physical device terminator object %d",
+ idx);
+ inst->total_gpu_count = idx;
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+
+ loader_set_dispatch((void *)new_phys_devs[idx], inst->disp);
+ new_phys_devs[idx]->this_icd_term = icd_phys_dev_array[icd_idx].this_icd_term;
+ new_phys_devs[idx]->icd_index = (uint8_t)(icd_idx);
+ new_phys_devs[idx]->phys_dev = icd_phys_dev_array[icd_idx].phys_devs[pd_idx];
+ }
+ idx++;
+ }
+ }
+
+out:
+
+ if (VK_SUCCESS != res) {
+ if (NULL != new_phys_devs) {
+ // We've encountered an error, so we should free the new buffers.
+ for (uint32_t i = 0; i < inst->total_gpu_count; i++) {
+ loader_instance_heap_free(inst, new_phys_devs[i]);
+ }
+ loader_instance_heap_free(inst, new_phys_devs);
+ }
+ inst->total_gpu_count = 0;
+ } else {
+ // Free everything that didn't carry over to the new array of
+ // physical devices. Everything else will have been copied over
+ // to the new array.
+ if (NULL != inst->phys_devs_term) {
+ for (uint32_t cur_pd = 0; cur_pd < inst->phys_dev_count_term; cur_pd++) {
+ bool found = false;
+ for (uint32_t new_pd_idx = 0; new_pd_idx < inst->total_gpu_count; new_pd_idx++) {
+ if (inst->phys_devs_term[cur_pd] == new_phys_devs[new_pd_idx]) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ loader_instance_heap_free(inst, inst->phys_devs_term[cur_pd]);
+ }
+ }
+ loader_instance_heap_free(inst, inst->phys_devs_term);
+ }
+
+ // Swap out old and new devices list
+ inst->phys_dev_count_term = inst->total_gpu_count;
+ inst->phys_devs_term = new_phys_devs;
+ }
+
+ return res;
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumeratePhysicalDevices(VkInstance instance, uint32_t *pPhysicalDeviceCount,
+ VkPhysicalDevice *pPhysicalDevices) {
+ struct loader_instance *inst = (struct loader_instance *)instance;
+ VkResult res = VK_SUCCESS;
+
+ // Always call the setup loader terminator physical devices because they may
+ // have changed at any point.
+ res = setupLoaderTermPhysDevs(inst);
+ if (VK_SUCCESS != res) {
+ goto out;
+ }
+
+ uint32_t copy_count = inst->total_gpu_count;
+ if (NULL != pPhysicalDevices) {
+ if (copy_count > *pPhysicalDeviceCount) {
+ copy_count = *pPhysicalDeviceCount;
+ res = VK_INCOMPLETE;
+ }
+
+ for (uint32_t i = 0; i < copy_count; i++) {
+ pPhysicalDevices[i] = (VkPhysicalDevice)inst->phys_devs_term[i];
+ }
+ }
+
+ *pPhysicalDeviceCount = copy_count;
+
+out:
+
+ return res;
+}
+
+VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceProperties(VkPhysicalDevice physicalDevice,
+ VkPhysicalDeviceProperties *pProperties) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ if (NULL != icd_term->dispatch.GetPhysicalDeviceProperties) {
+ icd_term->dispatch.GetPhysicalDeviceProperties(phys_dev_term->phys_dev, pProperties);
+ }
+}
+
+VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceQueueFamilyProperties(VkPhysicalDevice physicalDevice,
+ uint32_t *pQueueFamilyPropertyCount,
+ VkQueueFamilyProperties *pProperties) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ if (NULL != icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties) {
+ icd_term->dispatch.GetPhysicalDeviceQueueFamilyProperties(phys_dev_term->phys_dev, pQueueFamilyPropertyCount, pProperties);
+ }
+}
+
+VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceMemoryProperties(VkPhysicalDevice physicalDevice,
+ VkPhysicalDeviceMemoryProperties *pProperties) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ if (NULL != icd_term->dispatch.GetPhysicalDeviceMemoryProperties) {
+ icd_term->dispatch.GetPhysicalDeviceMemoryProperties(phys_dev_term->phys_dev, pProperties);
+ }
+}
+
+VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceFeatures(VkPhysicalDevice physicalDevice,
+ VkPhysicalDeviceFeatures *pFeatures) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ if (NULL != icd_term->dispatch.GetPhysicalDeviceFeatures) {
+ icd_term->dispatch.GetPhysicalDeviceFeatures(phys_dev_term->phys_dev, pFeatures);
+ }
+}
+
+VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format,
+ VkFormatProperties *pFormatInfo) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ if (NULL != icd_term->dispatch.GetPhysicalDeviceFormatProperties) {
+ icd_term->dispatch.GetPhysicalDeviceFormatProperties(phys_dev_term->phys_dev, format, pFormatInfo);
+ }
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL terminator_GetPhysicalDeviceImageFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format,
+ VkImageType type, VkImageTiling tiling,
+ VkImageUsageFlags usage, VkImageCreateFlags flags,
+ VkImageFormatProperties *pImageFormatProperties) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ if (NULL == icd_term->dispatch.GetPhysicalDeviceImageFormatProperties) {
+ loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "Encountered the vkEnumerateDeviceLayerProperties "
+ "terminator. This means a layer improperly continued.");
+ return VK_ERROR_INITIALIZATION_FAILED;
+ }
+ return icd_term->dispatch.GetPhysicalDeviceImageFormatProperties(phys_dev_term->phys_dev, format, type, tiling, usage, flags,
+ pImageFormatProperties);
+}
+
+VKAPI_ATTR void VKAPI_CALL terminator_GetPhysicalDeviceSparseImageFormatProperties(VkPhysicalDevice physicalDevice, VkFormat format,
+ VkImageType type, VkSampleCountFlagBits samples,
+ VkImageUsageFlags usage, VkImageTiling tiling,
+ uint32_t *pNumProperties,
+ VkSparseImageFormatProperties *pProperties) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ if (NULL != icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties) {
+ icd_term->dispatch.GetPhysicalDeviceSparseImageFormatProperties(phys_dev_term->phys_dev, format, type, samples, usage,
+ tiling, pNumProperties, pProperties);
+ }
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumerateDeviceExtensionProperties(VkPhysicalDevice physicalDevice,
+ const char *pLayerName, uint32_t *pPropertyCount,
+ VkExtensionProperties *pProperties) {
+ struct loader_physical_device_term *phys_dev_term;
+
+ struct loader_layer_list implicit_layer_list = {0};
+ struct loader_extension_list all_exts = {0};
+ struct loader_extension_list icd_exts = {0};
+
+ // 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);
+ loader_platform_thread_unlock_mutex(&loader_lock);
+ 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) {
+ loader_platform_thread_unlock_mutex(&loader_lock);
+ return VK_INCOMPLETE;
+ }
+ } else {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "vkEnumerateDeviceExtensionProperties: pLayerName "
+ "is too long or is badly formed");
+ loader_platform_thread_unlock_mutex(&loader_lock);
+ 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;
+ VkResult res;
+
+ // Get the available device extensions
+ res = icd_term->dispatch.EnumerateDeviceExtensionProperties(phys_dev_term->phys_dev, NULL, &icd_ext_count, pProperties);
+ if (res != VK_SUCCESS) {
+ goto out;
+ }
+
+ if (!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);
+ // We need to determine which implicit layers are active, and then add their extensions. This can't be cached as
+ // it depends on results of environment variables (which can change).
+ if (pProperties != NULL) {
+ // Initialize dev_extension list within the physicalDevice object
+ res = loader_init_device_extensions(icd_term->this_instance, phys_dev_term, icd_ext_count, pProperties, &icd_exts);
+ if (res != VK_SUCCESS) {
+ goto out;
+ }
+
+ // We need to determine which implicit layers are active, and then add their extensions. This can't be cached as
+ // it depends on results of environment variables (which can change).
+ res = loader_add_to_ext_list(icd_term->this_instance, &all_exts, icd_exts.count, icd_exts.list);
+ if (res != VK_SUCCESS) {
+ goto out;
+ }
+
+ 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;
+
+ for (uint32_t i = 0; i < all_exts.count && i < capacity; i++) {
+ props[i] = all_exts.list[i];
+ }
+
+ // Wasn't enough space for the extensions, we did partial copy now return VK_INCOMPLETE
+ if (capacity < all_exts.count) {
+ res = VK_INCOMPLETE;
+ } else {
+ *pPropertyCount = all_exts.count;
+ }
+ } else {
+ // Just return the count; need to add in the count of implicit layer extensions
+ // don't worry about duplicates being added in the count
+ *pPropertyCount = icd_ext_count;
+
+ for (uint32_t i = 0; i < implicit_layer_list.count; i++) {
+ *pPropertyCount += implicit_layer_list.list[i].device_extension_list.count;
+ }
+ res = VK_SUCCESS;
+ }
+
+out:
+
+ if (NULL != implicit_layer_list.list) {
+ loader_destroy_generic_list(icd_term->this_instance, (struct loader_generic_list *)&implicit_layer_list);
+ }
+ if (NULL != all_exts.list) {
+ loader_destroy_generic_list(icd_term->this_instance, (struct loader_generic_list *)&all_exts);
+ }
+ if (NULL != icd_exts.list) {
+ loader_destroy_generic_list(icd_term->this_instance, (struct loader_generic_list *)&icd_exts);
+ }
+
+ return res;
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL terminator_EnumerateDeviceLayerProperties(VkPhysicalDevice physicalDevice, uint32_t *pPropertyCount,
+ VkLayerProperties *pProperties) {
+ struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+ struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+ loader_log(icd_term->this_instance, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "Encountered the vkEnumerateDeviceLayerProperties "
+ "terminator. This means a layer improperly continued.");
+ // Should never get here this call isn't dispatched down the chain
+ return VK_ERROR_INITIALIZATION_FAILED;
+}
+
+VkStringErrorFlags vk_string_validate(const int max_length, const char *utf8) {
+ VkStringErrorFlags result = VK_STRING_ERROR_NONE;
+ int num_char_bytes = 0;
+ int i, j;
+
+ 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_MAKE_VERSION(loader_major_version, loader_minor_version, VK_HEADER_VERSION);
+ 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 {
+ // Scan/discover all ICD libraries
+ memset(&icd_tramp_list, 0, sizeof(icd_tramp_list));
+ res = loader_icd_scan(NULL, &icd_tramp_list);
+ if (VK_SUCCESS != res) {
+ goto out;
+ }
+ // Get extensions from all ICD's, merge so no duplicates
+ res = loader_get_icd_loader_instance_extensions(NULL, &icd_tramp_list, &local_ext_list);
+ if (VK_SUCCESS != res) {
+ goto out;
+ }
+ loader_scanned_icd_clear(NULL, &icd_tramp_list);
+
+ // Append enabled implicit layers.
+ 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;
+ PFN_vkEnumeratePhysicalDeviceGroups fpEnumeratePhysicalDeviceGroups = NULL;
+
+ 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);
+ if (NULL == local_phys_dev_groups) {
+ 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);
+ 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;
+ }
+
+ 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;
+
+ // 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];
+ }
+
+ } else {
+ res = fpEnumeratePhysicalDeviceGroups(icd_term->instance, &count_this_time, &local_phys_dev_groups[cur_icd_group_count]);
+ 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;
+ }
+ }
+ }
+
+ // 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++) {
+ // 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[new_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[new_idx]) {
+ new_phys_dev_groups[new_idx] = (VkPhysicalDeviceGroupPropertiesKHR *)loader_instance_heap_alloc(
+ inst, sizeof(VkPhysicalDeviceGroupPropertiesKHR), VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (NULL == new_phys_dev_groups[new_idx]) {
+ loader_log(inst, VK_DEBUG_REPORT_ERROR_BIT_EXT, 0,
+ "setupLoaderTermPhysDevGroups: Failed to allocate "
+ "physical device group Terminator object %d",
+ new_idx);
+ total_count = new_idx;
+ res = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto out;
+ }
+ memcpy(new_phys_dev_groups[new_idx], &local_phys_dev_groups[new_idx],
+ sizeof(VkPhysicalDeviceGroupPropertiesKHR));
+ }
+ }
+
+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;
+ }
+
+ 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");
+ }
+ }
+}