| /* |
| * Vulkan |
| * |
| * Copyright (C) 2014 LunarG, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Chia-I Wu <olv@lunarg.com> |
| * Jon Ashburn <jon@lunarg.com> |
| * Courtney Goeltzenleuchter <courtney@lunarg.com> |
| * Ian Elliott <ian@lunarg.com> |
| */ |
| #define _GNU_SOURCE |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdbool.h> |
| #include <string.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 "wsi_lunarg.h" |
| #include "gpa_helper.h" |
| #include "table_ops.h" |
| #include "debug_report.h" |
| #include "vk_icd.h" |
| #include "cJSON.h" |
| |
| void loader_add_to_ext_list( |
| struct loader_extension_list *ext_list, |
| uint32_t prop_list_count, |
| const struct loader_extension_property *prop_list); |
| |
| static loader_platform_dl_handle loader_add_layer_lib( |
| const char *chain_type, |
| struct loader_layer_properties *layer_prop); |
| |
| static void loader_remove_layer_lib( |
| struct loader_instance *inst, |
| struct loader_layer_properties *layer_prop); |
| |
| struct loader_struct loader = {0}; |
| |
| static void * VKAPI loader_GetInstanceProcAddr(VkInstance instance, const char * pName); |
| static bool loader_init_ext_list(struct loader_extension_list *ext_info); |
| |
| enum loader_debug { |
| LOADER_INFO_BIT = VK_BIT(0), |
| LOADER_WARN_BIT = VK_BIT(1), |
| LOADER_PERF_BIT = VK_BIT(2), |
| LOADER_ERROR_BIT = VK_BIT(3), |
| LOADER_DEBUG_BIT = VK_BIT(4), |
| }; |
| |
| uint32_t g_loader_debug = 0; |
| uint32_t g_loader_log_msgs = 0; |
| |
| //thread safety lock for accessing global data structures such as "loader" |
| // all entrypoints on the instance chain need to be locked except GPA |
| // additionally CreateDevice and DestroyDevice needs to be locked |
| loader_platform_thread_mutex loader_lock; |
| |
| const VkLayerInstanceDispatchTable instance_disp = { |
| .GetInstanceProcAddr = loader_GetInstanceProcAddr, |
| .CreateInstance = loader_CreateInstance, |
| .DestroyInstance = loader_DestroyInstance, |
| .EnumeratePhysicalDevices = loader_EnumeratePhysicalDevices, |
| .GetPhysicalDeviceFeatures = loader_GetPhysicalDeviceFeatures, |
| .GetPhysicalDeviceFormatInfo = loader_GetPhysicalDeviceFormatInfo, |
| .GetPhysicalDeviceLimits = loader_GetPhysicalDeviceLimits, |
| .GetPhysicalDeviceProperties = loader_GetPhysicalDeviceProperties, |
| .GetPhysicalDevicePerformance = loader_GetPhysicalDevicePerformance, |
| .GetPhysicalDeviceQueueCount = loader_GetPhysicalDeviceQueueCount, |
| .GetPhysicalDeviceQueueProperties = loader_GetPhysicalDeviceQueueProperties, |
| .GetPhysicalDeviceMemoryProperties = loader_GetPhysicalDeviceMemoryProperties, |
| .GetPhysicalDeviceExtensionProperties = loader_GetPhysicalDeviceExtensionProperties, |
| .GetPhysicalDeviceLayerProperties = loader_GetPhysicalDeviceLayerProperties, |
| .DbgCreateMsgCallback = loader_DbgCreateMsgCallback, |
| .DbgDestroyMsgCallback = loader_DbgDestroyMsgCallback, |
| }; |
| |
| LOADER_PLATFORM_THREAD_ONCE_DECLARATION(once_icd); |
| LOADER_PLATFORM_THREAD_ONCE_DECLARATION(once_layer); |
| LOADER_PLATFORM_THREAD_ONCE_DECLARATION(once_exts); |
| |
| static void loader_log(VkFlags msg_type, int32_t msg_code, |
| const char *format, ...) |
| { |
| char msg[256]; |
| va_list ap; |
| int ret; |
| |
| if (!(msg_type & g_loader_log_msgs)) { |
| return; |
| } |
| |
| 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 defined(WIN32) |
| OutputDebugString(msg); |
| #endif |
| fputs(msg, stderr); |
| fputc('\n', stderr); |
| } |
| |
| #if defined(WIN32) |
| /** |
| * 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 ';' seperated list of filenames. |
| * Function return is NULL if no valid name/value pairs are found in the key, |
| * or the key is not found. |
| * |
| * \returns |
| * A string list of filenames as pointer. |
| * When done using the returned string list, pointer should be freed. |
| */ |
| static char *loader_get_registry_files(const char *location) |
| { |
| LONG rtn_value; |
| HKEY hive, key; |
| DWORD access_flags = KEY_QUERY_VALUE; |
| char name[2048]; |
| char *out = NULL; |
| |
| hive = DEFAULT_VK_REGISTRY_HIVE; |
| rtn_value = RegOpenKeyEx(hive, location, 0, access_flags, &key); |
| if (rtn_value != ERROR_SUCCESS) { |
| // We didn't find the key. Try the 32-bit hive (where we've seen the |
| // key end up on some people's systems): |
| access_flags |= KEY_WOW64_32KEY; |
| rtn_value = RegOpenKeyEx(hive, location, 0, access_flags, &key); |
| if (rtn_value != ERROR_SUCCESS) { |
| // We still couldn't find the key, so give up: |
| return NULL; |
| } |
| } |
| |
| DWORD idx = 0; |
| DWORD name_size = sizeof(name); |
| DWORD value; |
| DWORD total_size = 4096; |
| DWORD value_size = sizeof(value); |
| while((rtn_value = RegEnumValue(key, idx++, name, &name_size, NULL, NULL, (LPBYTE) &value, &value_size)) == ERROR_SUCCESS) { |
| if (value_size == sizeof(value) && value == 0) { |
| if (out == NULL) { |
| out = malloc(total_size); |
| out[0] = '\0'; |
| } |
| else if (strlen(out) + name_size + 1 > total_size) { |
| out = realloc(out, total_size * 2); |
| total_size *= 2; |
| } |
| if (out == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Out of memory, failed loader_get_registry_files"); |
| return NULL; |
| } |
| if (strlen(out) == 0) |
| snprintf(out, name_size + 1, "%s", name); |
| else |
| snprintf(out + strlen(out), name_size + 1, "%c%s", PATH_SEPERATOR, name); |
| } |
| } |
| return out; |
| } |
| |
| char *loader_get_registry_string(const HKEY hive, |
| const LPCTSTR sub_key, |
| const char *value) |
| { |
| DWORD access_flags = KEY_QUERY_VALUE; |
| DWORD value_type; |
| HKEY key; |
| LONG rtn_value; |
| char *rtn_str = NULL; |
| DWORD rtn_len = 0; |
| size_t allocated_len = 0; |
| |
| rtn_value = RegOpenKeyEx(hive, sub_key, 0, access_flags, &key); |
| if (rtn_value != ERROR_SUCCESS) { |
| // We didn't find the key. Try the 32-bit hive (where we've seen the |
| // key end up on some people's systems): |
| access_flags |= KEY_WOW64_32KEY; |
| rtn_value = RegOpenKeyEx(hive, sub_key, 0, access_flags, &key); |
| if (rtn_value != ERROR_SUCCESS) { |
| // We still couldn't find the key, so give up: |
| return NULL; |
| } |
| } |
| |
| rtn_value = RegQueryValueEx(key, value, NULL, &value_type, |
| (PVOID) rtn_str, (LPDWORD) &rtn_len); |
| if (rtn_value == ERROR_SUCCESS) { |
| // If we get to here, we found the key, and need to allocate memory |
| // large enough for rtn_str, and query again: |
| allocated_len = rtn_len + 4; |
| rtn_str = malloc(allocated_len); |
| rtn_value = RegQueryValueEx(key, value, NULL, &value_type, |
| (PVOID) rtn_str, (LPDWORD) &rtn_len); |
| if (rtn_value == ERROR_SUCCESS) { |
| // We added 4 extra bytes to rtn_str, so that we can ensure that |
| // the string is NULL-terminated (albeit, in a brute-force manner): |
| rtn_str[allocated_len-1] = '\0'; |
| } else { |
| // This should never occur, but in case it does, clean up: |
| free(rtn_str); |
| rtn_str = NULL; |
| } |
| } // else - shouldn't happen, but if it does, return rtn_str, which is NULL |
| |
| // Close the registry key that was opened: |
| RegCloseKey(key); |
| |
| return rtn_str; |
| } |
| |
| |
| // For ICD developers, look in the registry, and look for an environment |
| // variable for a path(s) where to find the ICD(s): |
| static char *loader_get_registry_and_env(const char *env_var, |
| const char *registry_value) |
| { |
| char *env_str = getenv(env_var); |
| size_t env_len = (env_str == NULL) ? 0 : strlen(env_str); |
| char *registry_str = NULL; |
| size_t registry_len = 0; |
| char *rtn_str = NULL; |
| size_t rtn_len; |
| |
| registry_str = loader_get_registry_string(HKEY_LOCAL_MACHINE, |
| "Software\\Vulkan", |
| registry_value); |
| registry_len = (registry_str) ? (DWORD) strlen(registry_str) : 0; |
| |
| rtn_len = env_len + registry_len + 1; |
| if (rtn_len <= 2) { |
| // We found neither the desired registry value, nor the environment |
| // variable; return NULL: |
| return NULL; |
| } else { |
| // We found something, and so we need to allocate memory for the string |
| // to return: |
| rtn_str = malloc(rtn_len); |
| } |
| |
| if (registry_len == 0) { |
| // We didn't find the desired registry value, and so we must have found |
| // only the environment variable: |
| _snprintf(rtn_str, rtn_len, "%s", env_str); |
| } else if (env_str != NULL) { |
| // We found both the desired registry value and the environment |
| // variable, so concatenate them both: |
| _snprintf(rtn_str, rtn_len, "%s;%s", registry_str, env_str); |
| } else { |
| // We must have only found the desired registry value: |
| _snprintf(rtn_str, rtn_len, "%s", registry_str); |
| } |
| |
| if (registry_str) { |
| free(registry_str); |
| } |
| |
| return(rtn_str); |
| } |
| #endif // WIN32 |
| |
| bool compare_vk_extension_properties(const VkExtensionProperties *op1, const VkExtensionProperties *op2) |
| { |
| return strcmp(op1->extName, op2->extName) == 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].info, vk_ext_prop)) |
| return true; |
| } |
| return false; |
| } |
| |
| /* |
| * Search the given layer list for a layer |
| * matching the given layer name |
| */ |
| static struct loader_layer_properties *get_layer_property( |
| const char *name, |
| const struct loader_layer_list *layer_list) |
| { |
| for (uint32_t i = 0; i < layer_list->count; i++) { |
| const VkLayerProperties *item = &layer_list->list[i].info; |
| if (strcmp(name, item->layerName) == 0) |
| return &layer_list->list[i]; |
| } |
| return NULL; |
| } |
| |
| static void loader_add_global_extensions( |
| const PFN_vkGetGlobalExtensionProperties fp_get_props, |
| const char *lib_name, |
| const loader_platform_dl_handle lib_handle, |
| const enum extension_origin origin, |
| struct loader_extension_list *ext_list) |
| { |
| uint32_t i, count; |
| struct loader_extension_property ext_props; |
| VkExtensionProperties *extension_properties; |
| VkResult res; |
| |
| res = fp_get_props(NULL, &count, NULL); |
| if (res != VK_SUCCESS) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Error getting global extension count from %s", lib_name); |
| return; |
| } |
| |
| #ifdef WIN32 |
| extension_properties = _alloca(count * sizeof(VkExtensionProperties)); |
| #else |
| extension_properties = alloca(count * sizeof(VkExtensionProperties)); |
| #endif |
| |
| res = fp_get_props(NULL, &count, extension_properties); |
| if (res != VK_SUCCESS) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Error getting global extensions from %s", lib_name); |
| return; |
| } |
| |
| for (i = 0; i < count; i++) { |
| memset(&ext_props, 0, sizeof(ext_props)); |
| memcpy(&ext_props.info, &extension_properties[i], sizeof(VkExtensionProperties)); |
| //TODO eventually get this from the layer config file |
| ext_props.origin = origin; |
| ext_props.lib_name = lib_name; |
| |
| char spec_version[64], version[64]; |
| |
| snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", |
| VK_MAJOR(ext_props.info.specVersion), |
| VK_MINOR(ext_props.info.specVersion), |
| VK_PATCH(ext_props.info.specVersion)); |
| snprintf(version, sizeof(version), "%d.%d.%d", |
| VK_MAJOR(ext_props.info.version), |
| VK_MINOR(ext_props.info.version), |
| VK_PATCH(ext_props.info.version)); |
| |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "Global Extension: %s (%s) version %s, Vulkan version %s", |
| ext_props.info.extName, lib_name, version, spec_version); |
| loader_add_to_ext_list(ext_list, 1, &ext_props); |
| } |
| |
| return; |
| } |
| |
| static void loader_add_global_layer_properties( |
| const char *lib_name, |
| const loader_platform_dl_handle lib_handle, |
| struct loader_layer_list *layer_list) |
| { |
| uint32_t i, count; |
| VkLayerProperties *layer_properties; |
| PFN_vkGetGlobalExtensionProperties fp_get_ext_props; |
| PFN_vkGetGlobalLayerProperties fp_get_layer_props; |
| VkResult res; |
| |
| fp_get_ext_props = loader_platform_get_proc_address(lib_handle, "vkGetGlobalExtensionProperties"); |
| if (!fp_get_ext_props) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, |
| "Couldn't dlsym vkGetGlobalExtensionProperties from library %s", |
| lib_name); |
| return; |
| } |
| |
| fp_get_layer_props = loader_platform_get_proc_address(lib_handle, "vkGetGlobalLayerProperties"); |
| if (!fp_get_layer_props) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, |
| "Couldn't dlsym vkGetGlobalLayerProperties from library %s", |
| lib_name); |
| return; |
| } |
| |
| res = fp_get_layer_props(&count, NULL); |
| if (res != VK_SUCCESS) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Error getting global layer count from %s", lib_name); |
| return; |
| } |
| |
| if (count == 0) { |
| return; |
| } |
| |
| #ifdef WIN32 |
| layer_properties = _alloca(count * sizeof(VkLayerProperties)); |
| #else |
| layer_properties = alloca(count * sizeof(VkLayerProperties)); |
| #endif |
| |
| res = fp_get_layer_props(&count, layer_properties); |
| if (res != VK_SUCCESS) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Error getting %d global layer properties from %s", |
| count, lib_name); |
| return; |
| } |
| |
| for (i = 0; i < count; i++) { |
| struct loader_layer_properties *layer = &layer_list->list[layer_list->count]; |
| layer->lib_info.lib_name = malloc(strlen(lib_name) + 1); |
| if (layer->lib_info.lib_name == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "layer library %s ignored: out of memory", lib_name); |
| return; |
| } |
| |
| strcpy(layer->lib_info.lib_name, lib_name); |
| memcpy(&layer->info, &layer_properties[i], sizeof(VkLayerProperties)); |
| loader_init_ext_list(&layer->instance_extension_list); |
| loader_init_ext_list(&layer->device_extension_list); |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, "Collecting global extensions for layer %s (%s)", |
| layer->info.layerName, layer->info.description); |
| |
| loader_add_to_layer_list(layer_list, 1, layer); |
| |
| loader_add_global_extensions( |
| fp_get_ext_props, |
| lib_name, |
| lib_handle, |
| VK_EXTENSION_ORIGIN_LAYER, |
| &layer->instance_extension_list); |
| } |
| |
| return; |
| } |
| |
| static void loader_add_physical_device_extensions( |
| PFN_vkGetPhysicalDeviceExtensionProperties get_phys_dev_ext_props, |
| VkPhysicalDevice physical_device, |
| const enum extension_origin origin, |
| const char *lib_name, |
| struct loader_extension_list *ext_list) |
| { |
| uint32_t i, count; |
| VkResult res; |
| struct loader_extension_property ext_props; |
| VkExtensionProperties *extension_properties; |
| |
| memset(&ext_props, 0, sizeof(ext_props)); |
| ext_props.origin = origin; |
| ext_props.lib_name = lib_name; |
| |
| if (get_phys_dev_ext_props) { |
| res = get_phys_dev_ext_props(physical_device, NULL, &count, NULL); |
| if (res == VK_SUCCESS && count > 0) { |
| #ifdef WIN32 |
| extension_properties = _alloca(count * sizeof(VkExtensionProperties)); |
| #else |
| extension_properties = alloca(count * sizeof(VkExtensionProperties)); |
| #endif |
| res = get_phys_dev_ext_props(physical_device, NULL, &count, extension_properties); |
| for (i = 0; i < count; i++) { |
| char spec_version[64], version[64]; |
| |
| memcpy(&ext_props.info, &extension_properties[i], sizeof(VkExtensionProperties)); |
| |
| snprintf(spec_version, sizeof(spec_version), "%d.%d.%d", |
| VK_MAJOR(ext_props.info.specVersion), |
| VK_MINOR(ext_props.info.specVersion), |
| VK_PATCH(ext_props.info.specVersion)); |
| snprintf(version, sizeof(version), "%d.%d.%d", |
| VK_MAJOR(ext_props.info.version), |
| VK_MINOR(ext_props.info.version), |
| VK_PATCH(ext_props.info.version)); |
| |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "PhysicalDevice Extension: %s (%s) version %s, Vulkan version %s", |
| ext_props.info.extName, lib_name, version, spec_version); |
| loader_add_to_ext_list(ext_list, 1, &ext_props); |
| } |
| } else { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Error getting physical device extension info count from Layer %s", ext_props.lib_name); |
| } |
| } |
| |
| return; |
| } |
| |
| static void loader_add_physical_device_layer_properties( |
| struct loader_icd *icd, |
| char *lib_name, |
| const loader_platform_dl_handle lib_handle) |
| { |
| uint32_t i, count; |
| VkLayerProperties *layer_properties; |
| PFN_vkGetPhysicalDeviceExtensionProperties fp_get_ext_props; |
| PFN_vkGetPhysicalDeviceLayerProperties fp_get_layer_props; |
| VkPhysicalDevice gpu = icd->gpus[0]; |
| VkResult res; |
| |
| fp_get_ext_props = loader_platform_get_proc_address(lib_handle, "vkGetPhysicalDeviceExtensionProperties"); |
| if (!fp_get_ext_props) { |
| loader_log(VK_DBG_REPORT_INFO_BIT, 0, |
| "Couldn't dlsym vkGetPhysicalDeviceExtensionProperties from library %s", |
| lib_name); |
| return; |
| } |
| |
| fp_get_layer_props = loader_platform_get_proc_address(lib_handle, "vkGetPhysicalDeviceLayerProperties"); |
| if (!fp_get_layer_props) { |
| loader_log(VK_DBG_REPORT_INFO_BIT, 0, |
| "Couldn't dlsym vkGetPhysicalDeviceLayerProperties from library %s", |
| lib_name); |
| return; |
| } |
| |
| /* |
| * NOTE: We assume that all GPUs of an ICD support the same PhysicalDevice |
| * layers and extensions. Thus only ask for info about the first gpu. |
| */ |
| res = fp_get_layer_props(gpu, &count, NULL); |
| if (res != VK_SUCCESS) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Error getting PhysicalDevice layer count from %s", lib_name); |
| return; |
| } |
| |
| if (count == 0) { |
| return; |
| } |
| |
| #ifdef WIN32 |
| layer_properties = _alloca(count * sizeof(VkLayerProperties)); |
| #else |
| layer_properties = alloca(count * sizeof(VkLayerProperties)); |
| #endif |
| |
| res = fp_get_layer_props(gpu, &count, layer_properties); |
| if (res != VK_SUCCESS) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Error getting %d PhysicalDevice layer properties from %s", |
| count, lib_name); |
| return; |
| } |
| |
| for (i = 0; i < count; i++) { |
| struct loader_layer_properties layer; |
| memset(&layer, 0, sizeof(struct loader_layer_properties)); |
| layer.lib_info.lib_name = lib_name; |
| memcpy(&layer.info, &layer_properties[i], sizeof(VkLayerProperties)); |
| loader_init_ext_list(&layer.instance_extension_list); |
| loader_init_ext_list(&layer.device_extension_list); |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, "Collecting PhysicalDevice extensions for layer %s (%s)", |
| layer.info.layerName, layer.info.description); |
| loader_add_to_layer_list(&icd->layer_properties_cache, 1, &layer); |
| loader_add_physical_device_extensions( |
| fp_get_ext_props, |
| icd->gpus[i], |
| VK_EXTENSION_ORIGIN_LAYER, |
| lib_name, |
| &layer.device_extension_list); |
| } |
| return; |
| } |
| |
| static bool loader_init_ext_list(struct loader_extension_list *ext_info) |
| { |
| ext_info->capacity = 32 * sizeof(struct loader_extension_property); |
| ext_info->list = malloc(ext_info->capacity); |
| if (ext_info->list == NULL) { |
| return false; |
| } |
| memset(ext_info->list, 0, ext_info->capacity); |
| ext_info->count = 0; |
| return true; |
| } |
| |
| void loader_destroy_ext_list(struct loader_extension_list *ext_info) |
| { |
| free(ext_info->list); |
| ext_info->count = 0; |
| ext_info->capacity = 0; |
| } |
| |
| /** |
| * 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 void loader_add_layer_names_to_list( |
| struct loader_layer_list *output_list, |
| uint32_t name_count, |
| const char * const *names, |
| const struct loader_layer_list *search_list) |
| { |
| struct loader_layer_properties *layer_prop; |
| |
| for (uint32_t i = 0; i < name_count; i++) { |
| const char *search_target = names[i]; |
| layer_prop = get_layer_property(search_target, search_list); |
| if (!layer_prop) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Unable to find extension %s", search_target); |
| continue; |
| } |
| |
| loader_add_to_layer_list(output_list, 1, layer_prop); |
| } |
| } |
| |
| /* |
| * Append non-duplicate extension properties defined in prop_list |
| * to the given ext_info list |
| */ |
| void loader_add_to_ext_list( |
| struct loader_extension_list *ext_list, |
| uint32_t prop_list_count, |
| const struct loader_extension_property *props) |
| { |
| uint32_t i; |
| struct loader_extension_property *cur_ext; |
| |
| if (ext_list->list == NULL || ext_list->capacity == 0) { |
| loader_init_ext_list(ext_list); |
| } |
| |
| if (ext_list->list == NULL) |
| return; |
| |
| for (i = 0; i < prop_list_count; i++) { |
| cur_ext = (struct loader_extension_property *) &props[i]; |
| |
| // look for duplicates |
| if (has_vk_extension_property(&cur_ext->info, ext_list)) { |
| continue; |
| } |
| |
| // add to list at end |
| // check for enough capacity |
| if (ext_list->count * sizeof(struct loader_extension_property) |
| >= ext_list->capacity) { |
| // double capacity |
| ext_list->capacity *= 2; |
| ext_list->list = realloc(ext_list->list, ext_list->capacity); |
| } |
| |
| memcpy(&ext_list->list[ext_list->count], cur_ext, sizeof(struct loader_extension_property)); |
| ext_list->count++; |
| } |
| } |
| |
| static bool loader_init_layer_list(struct loader_layer_list *list) |
| { |
| list->capacity = 32 * sizeof(struct loader_layer_properties); |
| list->list = malloc(list->capacity); |
| if (list->list == NULL) { |
| return false; |
| } |
| memset(list->list, 0, list->capacity); |
| list->count = 0; |
| return true; |
| } |
| |
| void loader_destroy_layer_list(struct loader_layer_list *layer_list) |
| { |
| free(layer_list->list); |
| layer_list->count = 0; |
| layer_list->capacity = 0; |
| } |
| |
| /* |
| * Search the given layer list for a list |
| * matching the given VkLayerProperties |
| */ |
| bool has_vk_layer_property( |
| const VkLayerProperties *vk_layer_prop, |
| const struct loader_layer_list *list) |
| { |
| for (uint32_t i = 0; i < list->count; i++) { |
| if (strcmp(vk_layer_prop->layerName, list->list[i].info.layerName) == 0) |
| return true; |
| } |
| return false; |
| } |
| |
| /* |
| * Search the given layer list for a layer |
| * matching the given name |
| */ |
| bool has_layer_name( |
| const char *name, |
| const struct loader_layer_list *list) |
| { |
| for (uint32_t i = 0; i < list->count; i++) { |
| if (strcmp(name, list->list[i].info.layerName) == 0) |
| return true; |
| } |
| return false; |
| } |
| |
| /* |
| * Append non-duplicate layer properties defined in prop_list |
| * to the given layer_info list |
| */ |
| void loader_add_to_layer_list( |
| struct loader_layer_list *list, |
| uint32_t prop_list_count, |
| const struct loader_layer_properties *props) |
| { |
| uint32_t i; |
| struct loader_layer_properties *layer; |
| |
| if (list->list == NULL || list->capacity == 0) { |
| loader_init_layer_list(list); |
| } |
| |
| if (list->list == NULL) |
| return; |
| |
| for (i = 0; i < prop_list_count; i++) { |
| layer = (struct loader_layer_properties *) &props[i]; |
| |
| // look for duplicates |
| if (has_vk_layer_property(&layer->info, list)) { |
| continue; |
| } |
| |
| // add to list at end |
| // check for enough capacity |
| if (list->count * sizeof(struct loader_layer_properties) |
| >= list->capacity) { |
| // double capacity |
| list->capacity *= 2; |
| list->list = realloc(list->list, list->capacity); |
| } |
| |
| memcpy(&list->list[list->count], layer, sizeof(struct loader_layer_properties)); |
| list->count++; |
| } |
| } |
| |
| /* |
| * Search the search_list for any layer with |
| * a name that matches the given layer_name. |
| * Add all matching layers to the found_list |
| * Do not add if found VkLayerProperties is already |
| * on the found_list. |
| */ |
| static void loader_find_layer_name_add_list( |
| const char *name, |
| const struct loader_layer_list *search_list, |
| struct loader_layer_list *found_list) |
| { |
| for (uint32_t i = 0; i < search_list->count; i++) { |
| struct loader_layer_properties *layer_prop = &search_list->list[i]; |
| if (0 == strcmp(layer_prop->info.layerName, name)) { |
| /* Found a layer with the same name, add to found_list */ |
| loader_add_to_layer_list(found_list, 1, layer_prop); |
| } |
| } |
| } |
| |
| bool loader_is_extension_scanned(const VkExtensionProperties *ext_prop) |
| { |
| uint32_t i; |
| |
| for (i = 0; i < loader.global_extensions.count; i++) { |
| if (compare_vk_extension_properties(&loader.global_extensions.list[i].info, ext_prop)) |
| return true; |
| } |
| return false; |
| } |
| |
| /* |
| * For global exenstions 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 logica 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. |
| */ |
| void loader_coalesce_extensions(void) |
| { |
| uint32_t i; |
| struct loader_scanned_icds *icd_list = loader.scanned_icd_list; |
| |
| // traverse scanned icd list adding non-duplicate extensions to the list |
| while (icd_list != NULL) { |
| loader_add_to_ext_list(&loader.global_extensions, |
| icd_list->global_extension_list.count, |
| icd_list->global_extension_list.list); |
| icd_list = icd_list->next; |
| }; |
| |
| //Traverse layers list adding non-duplicate extensions to the list |
| for (i = 0; i < loader.scanned_layers.count; i++) { |
| loader_add_to_ext_list(&loader.global_extensions, |
| loader.scanned_layers.list[i].instance_extension_list.count, |
| loader.scanned_layers.list[i].instance_extension_list.list); |
| } |
| |
| // Traverse loader's extensions, adding non-duplicate extensions to the list |
| debug_report_add_instance_extensions(&loader.global_extensions); |
| } |
| |
| static struct loader_icd *loader_get_icd_and_device(const VkDevice device, |
| struct loader_device **found_dev) |
| { |
| *found_dev = NULL; |
| for (struct loader_instance *inst = loader.instances; inst; inst = inst->next) { |
| for (struct loader_icd *icd = inst->icds; icd; icd = icd->next) { |
| for (struct loader_device *dev = icd->logical_device_list; dev; dev = dev->next) |
| if (dev->device == device) { |
| *found_dev = dev; |
| return icd; |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| static void loader_destroy_logical_device(struct loader_device *dev) |
| { |
| free(dev->app_extension_props); |
| if (dev->activated_layer_list.count) |
| loader_destroy_layer_list(&dev->activated_layer_list); |
| free(dev); |
| } |
| |
| static struct loader_device *loader_add_logical_device(const VkDevice dev, struct loader_device **device_list) |
| { |
| struct loader_device *new_dev; |
| |
| new_dev = malloc(sizeof(struct loader_device)); |
| if (!new_dev) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Failed to malloc struct laoder-device"); |
| return NULL; |
| } |
| |
| memset(new_dev, 0, sizeof(struct loader_device)); |
| |
| new_dev->next = *device_list; |
| new_dev->device = dev; |
| *device_list = new_dev; |
| return new_dev; |
| } |
| |
| void loader_remove_logical_device(VkDevice device) |
| { |
| struct loader_device *found_dev, *dev, *prev_dev; |
| struct loader_icd *icd; |
| icd = loader_get_icd_and_device(device, &found_dev); |
| |
| if (!icd || !found_dev) |
| return; |
| |
| prev_dev = NULL; |
| dev = icd->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->logical_device_list = found_dev->next; |
| loader_destroy_logical_device(found_dev); |
| } |
| |
| |
| static void loader_icd_destroy( |
| struct loader_instance *ptr_inst, |
| struct loader_icd *icd) |
| { |
| ptr_inst->total_icd_count--; |
| free(icd->gpus); |
| for (struct loader_device *dev = icd->logical_device_list; dev; ) { |
| struct loader_device *next_dev = dev->next; |
| loader_destroy_logical_device(dev); |
| dev = next_dev; |
| } |
| |
| free(icd); |
| } |
| |
| static struct loader_icd * loader_icd_create(const struct loader_scanned_icds *scanned) |
| { |
| struct loader_icd *icd; |
| |
| icd = malloc(sizeof(*icd)); |
| if (!icd) |
| return NULL; |
| |
| memset(icd, 0, sizeof(*icd)); |
| |
| icd->scanned_icds = scanned; |
| |
| return icd; |
| } |
| |
| static struct loader_icd *loader_icd_add( |
| struct loader_instance *ptr_inst, |
| const struct loader_scanned_icds *scanned) |
| { |
| struct loader_icd *icd; |
| |
| icd = loader_icd_create(scanned); |
| if (!icd) |
| return NULL; |
| |
| /* prepend to the list */ |
| icd->next = ptr_inst->icds; |
| ptr_inst->icds = icd; |
| ptr_inst->total_icd_count++; |
| |
| return icd; |
| } |
| |
| static void loader_scanned_icd_add(const char *filename) |
| { |
| loader_platform_dl_handle handle; |
| void *fp_create_inst; |
| void *fp_get_global_ext_props; |
| void *fp_get_device_ext_props; |
| PFN_vkGPA fp_get_proc_addr; |
| struct loader_scanned_icds *new_node; |
| |
| // Used to call: dlopen(filename, RTLD_LAZY); |
| handle = loader_platform_open_library(filename); |
| if (!handle) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, loader_platform_open_library_error(filename)); |
| return; |
| } |
| |
| #define LOOKUP(func_ptr, func) do { \ |
| func_ptr = (PFN_vk ##func) loader_platform_get_proc_address(handle, "vk" #func); \ |
| if (!func_ptr) { \ |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, loader_platform_get_proc_address_error("vk" #func)); \ |
| return; \ |
| } \ |
| } while (0) |
| |
| LOOKUP(fp_create_inst, CreateInstance); |
| LOOKUP(fp_get_global_ext_props, GetGlobalExtensionProperties); |
| LOOKUP(fp_get_device_ext_props, GetPhysicalDeviceExtensionProperties); |
| LOOKUP(fp_get_proc_addr, GetDeviceProcAddr); |
| #undef LOOKUP |
| |
| new_node = (struct loader_scanned_icds *) malloc(sizeof(struct loader_scanned_icds) |
| + strlen(filename) + 1); |
| if (!new_node) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Out of memory can't add icd"); |
| return; |
| } |
| |
| new_node->handle = handle; |
| new_node->CreateInstance = fp_create_inst; |
| new_node->GetGlobalExtensionProperties = fp_get_global_ext_props; |
| loader_init_ext_list(&new_node->global_extension_list); |
| loader_init_ext_list(&new_node->device_extension_list); |
| new_node->next = loader.scanned_icd_list; |
| |
| new_node->lib_name = (char *) (new_node + 1); |
| if (!new_node->lib_name) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Out of memory can't add icd"); |
| return; |
| } |
| strcpy(new_node->lib_name, filename); |
| |
| loader.scanned_icd_list = new_node; |
| |
| loader_add_global_extensions( |
| (PFN_vkGetGlobalExtensionProperties) fp_get_global_ext_props, |
| new_node->lib_name, |
| handle, |
| VK_EXTENSION_ORIGIN_ICD, |
| &new_node->global_extension_list); |
| } |
| |
| static struct loader_extension_list *loader_global_extensions(const char *pLayerName) |
| { |
| if (pLayerName == NULL || (strlen(pLayerName) == 0)) { |
| return &loader.global_extensions; |
| } |
| |
| /* TODO: Add code to query global extensions from layer */ |
| for (uint32_t i = 0; i < loader.scanned_layers.count; i++) { |
| struct loader_layer_properties *work_layer = &loader.scanned_layers.list[i]; |
| if (strcmp(work_layer->info.layerName, pLayerName) == 0) { |
| return &work_layer->instance_extension_list; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| static struct loader_layer_list *loader_global_layers() |
| { |
| return &loader.scanned_layers; |
| } |
| |
| static void loader_physical_device_layers( |
| struct loader_icd *icd, |
| uint32_t *count, |
| struct loader_layer_list **list) |
| { |
| *count = icd->layer_properties_cache.count; |
| *list = &icd->layer_properties_cache; |
| } |
| |
| static void loader_physical_device_extensions( |
| struct loader_icd *icd, |
| uint32_t gpu_idx, |
| const char *layer_name, |
| uint32_t *count, |
| struct loader_extension_list **list) |
| { |
| if (layer_name == NULL || (strlen(layer_name) == 0)) { |
| *count = icd->device_extension_cache[gpu_idx].count; |
| *list = &icd->device_extension_cache[gpu_idx]; |
| return; |
| } |
| for (uint32_t i = 0; i < icd->layer_properties_cache.count; i++) { |
| if (strcmp(layer_name, icd->layer_properties_cache.list[i].info.layerName) == 0) { |
| *count = icd->layer_properties_cache.list[i].device_extension_list.count; |
| *list = &icd->layer_properties_cache.list[i].device_extension_list; |
| } |
| } |
| } |
| |
| static void loader_icd_init_entrys(struct loader_icd *icd, |
| struct loader_scanned_icds *scanned_icds) |
| { |
| /* initialize entrypoint function pointers */ |
| |
| #define LOOKUP(func) do { \ |
| icd->func = (PFN_vk ##func) loader_platform_get_proc_address(scanned_icds->handle, "vk" #func); \ |
| if (!icd->func) { \ |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, loader_platform_get_proc_address_error("vk" #func)); \ |
| return; \ |
| } \ |
| } while (0) |
| |
| /* could change this to use GetInstanceProcAddr in driver instead of dlsym */ |
| LOOKUP(GetDeviceProcAddr); |
| LOOKUP(DestroyInstance); |
| LOOKUP(EnumeratePhysicalDevices); |
| LOOKUP(GetPhysicalDeviceFeatures); |
| LOOKUP(GetPhysicalDeviceFormatInfo); |
| LOOKUP(GetPhysicalDeviceLimits); |
| LOOKUP(CreateDevice); |
| LOOKUP(GetPhysicalDeviceProperties); |
| LOOKUP(GetPhysicalDeviceMemoryProperties); |
| LOOKUP(GetPhysicalDevicePerformance); |
| LOOKUP(GetPhysicalDeviceQueueCount); |
| LOOKUP(GetPhysicalDeviceQueueProperties); |
| LOOKUP(GetPhysicalDeviceExtensionProperties); |
| LOOKUP(DbgCreateMsgCallback); |
| LOOKUP(DbgDestroyMsgCallback); |
| #undef LOOKUP |
| |
| return; |
| } |
| |
| static void loader_debug_init(void) |
| { |
| const char *env; |
| |
| if (g_loader_debug > 0) |
| return; |
| |
| g_loader_debug = 0; |
| |
| /* parse comma-separated debug options */ |
| env = getenv("LOADER_DEBUG"); |
| while (env) { |
| const char *p = strchr(env, ','); |
| size_t len; |
| |
| if (p) |
| len = p - env; |
| else |
| len = strlen(env); |
| |
| if (len > 0) { |
| if (strncmp(env, "warn", len) == 0) { |
| g_loader_debug |= LOADER_WARN_BIT; |
| g_loader_log_msgs |= VK_DBG_REPORT_WARN_BIT; |
| } else if (strncmp(env, "info", len) == 0) { |
| g_loader_debug |= LOADER_INFO_BIT; |
| g_loader_log_msgs |= VK_DBG_REPORT_INFO_BIT; |
| } else if (strncmp(env, "perf", len) == 0) { |
| g_loader_debug |= LOADER_PERF_BIT; |
| g_loader_log_msgs |= VK_DBG_REPORT_PERF_WARN_BIT; |
| } else if (strncmp(env, "error", len) == 0) { |
| g_loader_debug |= LOADER_ERROR_BIT; |
| g_loader_log_msgs |= VK_DBG_REPORT_ERROR_BIT; |
| } else if (strncmp(env, "debug", len) == 0) { |
| g_loader_debug |= LOADER_DEBUG_BIT; |
| g_loader_log_msgs |= VK_DBG_REPORT_DEBUG_BIT; |
| } |
| } |
| |
| if (!p) |
| break; |
| |
| env = p + 1; |
| } |
| } |
| |
| struct loader_manifest_files { |
| uint32_t count; |
| char **filename_list; |
| }; |
| |
| /** |
| * 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_SEPERATOR); |
| if (next == NULL) { |
| len = (uint32_t) strlen(path); |
| next = path + len; |
| } |
| else { |
| *next = '\0'; |
| next++; |
| } |
| |
| return next; |
| } |
| |
| /** |
| * 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. |
| * |
| * \returns |
| * A string in out_fullpath of either the full path or file. |
| * Side effect is that dir string maybe modified. |
| */ |
| static void loader_get_fullpath(const char *file, |
| char *dir, |
| size_t out_size, |
| char *out_fullpath) |
| { |
| char *next_dir; |
| if (strchr(file,DIRECTORY_SYMBOL) == NULL) { |
| //find file exists with prepending given path |
| while (*dir) { |
| next_dir = loader_get_next_path(dir); |
| snprintf(out_fullpath, out_size, "%s%c%s", |
| dir, DIRECTORY_SYMBOL, file); |
| if (loader_platform_file_exists(out_fullpath)) { |
| return; |
| } |
| dir = next_dir; |
| } |
| } |
| snprintf(out_fullpath, out_size, "%s", file); |
| } |
| |
| /** |
| * Read a JSON file into a buffer. |
| * |
| * \returns |
| * A pointer to a cJSON object representing the JSON parse tree. |
| * This returned buffer should be freed by caller. |
| */ |
| static cJSON *loader_get_json(const char *filename) |
| { |
| FILE *file; |
| char *json_buf; |
| cJSON *json; |
| uint64_t len; |
| file = fopen(filename,"rb"); |
| fseek(file, 0, SEEK_END); |
| len = ftell(file); |
| fseek(file, 0, SEEK_SET); |
| json_buf = (char*) alloca(len+1); |
| if (json_buf == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Out of memory can't get JSON file"); |
| fclose(file); |
| return NULL; |
| } |
| if (fread(json_buf, sizeof(char), len, file) != len) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "fread failed can't get JSON file"); |
| fclose(file); |
| return NULL; |
| } |
| fclose(file); |
| json_buf[len] = '\0'; |
| |
| //parse text from file |
| json = cJSON_Parse(json_buf); |
| if (json == NULL) |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Can't parse JSON file %s", filename); |
| return json; |
| } |
| |
| /** |
| * 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. |
| * |
| * \returns |
| * 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 void loader_get_manifest_files(const char *env_override, |
| bool is_layer, |
| const char *location, |
| struct loader_manifest_files *out_files) |
| { |
| char *override = NULL; |
| char *loc; |
| char *file, *next_file, *name; |
| size_t alloced_count = 64; |
| char full_path[2048]; |
| DIR *sysdir = NULL; |
| bool list_is_dirs = false; |
| struct dirent *dent; |
| |
| out_files->count = 0; |
| out_files->filename_list = NULL; |
| |
| if (env_override != NULL && (override = getenv(env_override))) { |
| #if defined(__linux__) |
| if (geteuid() != getuid()) { |
| /* Don't allow setuid apps to use the env var: */ |
| override = NULL; |
| } |
| #endif |
| } |
| |
| if (location == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, |
| "Can't get manifest files with NULL location, env_override=%s", |
| env_override); |
| return; |
| } |
| |
| #if defined(__linux__) |
| list_is_dirs = (override == NULL || is_layer) ? true : false; |
| #else //WIN32 |
| list_is_dirs = (is_layer && override != NULL) ? true : false; |
| #endif |
| // Make a copy of the input we are using so it is not modified |
| // Also handle getting the location(s) from registry on Windows |
| if (override == NULL) { |
| #if defined (_WIN32) |
| loc = loader_get_registry_files(location); |
| if (loc == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Registry lookup failed can't get manifest files"); |
| return; |
| } |
| #else |
| loc = alloca(strlen(location) + 1); |
| if (loc == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Out of memory can't get manifest files"); |
| return; |
| } |
| strcpy(loc, location); |
| #endif |
| } |
| else { |
| loc = alloca(strlen(override) + 1); |
| if (loc == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Out of memory can't get manifest files"); |
| return; |
| } |
| strcpy(loc, override); |
| } |
| |
| file = loc; |
| while (*file) { |
| next_file = loader_get_next_path(file); |
| if (list_is_dirs) { |
| sysdir = opendir(file); |
| name = NULL; |
| if (sysdir) { |
| dent = readdir(sysdir); |
| if (dent == NULL) |
| break; |
| name = &(dent->d_name[0]); |
| loader_get_fullpath(name, file, sizeof(full_path), full_path); |
| name = full_path; |
| } |
| } |
| else { |
| #if defined(__linux__) |
| // only Linux has relative paths |
| char *dir; |
| // make a copy of location so it isn't modified |
| dir = alloca(strlen(location) + 1); |
| if (dir == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Out of memory can't get manifest files"); |
| return; |
| } |
| strcpy(dir, location); |
| |
| loader_get_fullpath(file, dir, sizeof(full_path), full_path); |
| |
| name = full_path; |
| #else // WIN32 |
| name = file; |
| #endif |
| } |
| while (name) { |
| /* Look for files ending with ".json" suffix */ |
| uint32_t nlen = (uint32_t) strlen(name); |
| const char *suf = name + nlen - 5; |
| if ((nlen > 5) && !strncmp(suf, ".json", 5)) { |
| if (out_files->count == 0) { |
| out_files->filename_list = malloc(alloced_count * sizeof(char *)); |
| } |
| else if (out_files->count == alloced_count) { |
| out_files->filename_list = realloc(out_files->filename_list, |
| alloced_count * sizeof(char *) * 2); |
| alloced_count *= 2; |
| } |
| if (out_files->filename_list == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Out of memory can't alloc manifest file list"); |
| return; |
| } |
| out_files->filename_list[out_files->count] = malloc(strlen(name) + 1); |
| if (out_files->filename_list[out_files->count] == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Out of memory can't get manifest files"); |
| return; |
| } |
| strcpy(out_files->filename_list[out_files->count], name); |
| out_files->count++; |
| } else if (!list_is_dirs) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Skipping manifest file %s, file name must end in .json", name); |
| } |
| if (list_is_dirs) { |
| dent = readdir(sysdir); |
| if (dent == NULL) |
| break; |
| name = &(dent->d_name[0]); |
| loader_get_fullpath(name, file, sizeof(full_path), full_path); |
| name = full_path; |
| } |
| else { |
| break; |
| } |
| } |
| if (sysdir) |
| closedir(sysdir); |
| file = next_file; |
| } |
| return; |
| } |
| |
| /** |
| * 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 |
| * void |
| */ |
| void loader_icd_scan(void) |
| { |
| char *file_str; |
| struct loader_manifest_files manifest_files; |
| |
| |
| // convenient place to initialize a mutex |
| loader_platform_thread_create_mutex(&loader_lock); |
| |
| // convenient place to initialize logging |
| loader_debug_init(); |
| |
| // Get a list of manifest files for ICDs |
| loader_get_manifest_files("VK_ICD_FILENAMES", false, DEFAULT_VK_DRIVERS_INFO, |
| &manifest_files); |
| for (uint32_t i = 0; i < manifest_files.count; i++) { |
| file_str = manifest_files.filename_list[i]; |
| if (file_str == NULL) |
| continue; |
| |
| cJSON *json, *icd_json; |
| json = loader_get_json(file_str); |
| icd_json = cJSON_GetObjectItem(json, "ICD"); |
| if (icd_json != NULL) { |
| icd_json = cJSON_GetObjectItem(icd_json, "library_path"); |
| if (icd_json != NULL) { |
| char *icd_filename = cJSON_PrintUnformatted(icd_json); |
| char *icd_file = icd_filename; |
| if (icd_filename != NULL) { |
| char def_dir[] = DEFAULT_VK_DRIVERS_PATH; |
| char *dir = def_dir; |
| // strip off extra quotes |
| if (icd_filename[strlen(icd_filename) - 1] == '"') |
| icd_filename[strlen(icd_filename) - 1] = '\0'; |
| if (icd_filename[0] == '"') |
| icd_filename++; |
| #if defined(__linux__) |
| char full_path[2048]; |
| loader_get_fullpath(icd_filename, dir, sizeof(full_path), full_path); |
| loader_scanned_icd_add(full_path); |
| #else // WIN32 |
| loader_scanned_icd_add(icd_filename); |
| #endif |
| free(icd_file); |
| } |
| } |
| else |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Can't find \"library_path\" in ICD JSON file %s, skipping", file_str); |
| } |
| else |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Can't find \"ICD\" object in ICD JSON file %s, skipping", file_str); |
| |
| free(file_str); |
| cJSON_Delete(json); |
| } |
| free(manifest_files.filename_list); |
| |
| } |
| |
| |
| void loader_layer_scan(void) |
| { |
| const char *p, *next; |
| char *libPaths = NULL; |
| DIR *curdir; |
| struct dirent *dent; |
| size_t len, i; |
| char temp_str[1024]; |
| |
| #if defined(WIN32) |
| bool must_free_libPaths; |
| libPaths = loader_get_registry_and_env(LAYERS_PATH_ENV, |
| LAYERS_PATH_REGISTRY_VALUE); |
| if (libPaths != NULL) { |
| must_free_libPaths = true; |
| } else { |
| must_free_libPaths = false; |
| libPaths = DEFAULT_VK_LAYERS_PATH; |
| } |
| #else // WIN32 |
| if (geteuid() == getuid()) { |
| /* Don't allow setuid apps to use the LAYERS_PATH_ENV env var: */ |
| libPaths = getenv(LAYERS_PATH_ENV); |
| } |
| if (libPaths == NULL) { |
| libPaths = DEFAULT_VK_LAYERS_PATH; |
| } |
| #endif // WIN32 |
| |
| if (libPaths == NULL) { |
| // Have no paths to search: |
| return; |
| } |
| len = strlen(libPaths); |
| loader.layer_dirs = malloc(len+1); |
| if (loader.layer_dirs == NULL) { |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, "Out of memory can't add layer directories"); |
| |
| free(libPaths); |
| return; |
| } |
| // Alloc passed, so we know there is enough space to hold the string |
| strcpy(loader.layer_dirs, libPaths); |
| #if defined(WIN32) |
| // Free any allocated memory: |
| if (must_free_libPaths) { |
| free(libPaths); |
| must_free_libPaths = false; |
| } |
| #endif // WIN32 |
| libPaths = loader.layer_dirs; |
| |
| if (loader.scanned_layers.capacity == 0) { |
| loader.scanned_layers.list = malloc(sizeof(struct loader_layer_properties) * 64); |
| if (loader.scanned_layers.list == NULL) { |
| //TODO ERR log |
| return; |
| } |
| memset(loader.scanned_layers.list, 0, sizeof(struct loader_layer_properties) * 64); |
| loader.scanned_layers.capacity = sizeof(struct loader_layer_properties) * 64; |
| } |
| else { |
| /* cleanup any previously scanned libraries */ |
| //TODO make sure everything is cleaned up properly |
| for (i = 0; i < loader.scanned_layers.count; i++) { |
| if (loader.scanned_layers.list[i].lib_info.lib_name != NULL) |
| free(loader.scanned_layers.list[i].lib_info.lib_name); |
| loader_destroy_ext_list(&loader.scanned_layers.list[i].instance_extension_list); |
| loader_destroy_ext_list(&loader.scanned_layers.list[i].device_extension_list); |
| loader.scanned_layers.list[i].lib_info.lib_name = NULL; |
| } |
| loader.scanned_layers.count = 0; |
| } |
| |
| for (p = libPaths; *p; p = next) { |
| next = strchr(p, PATH_SEPERATOR); |
| if (next == NULL) { |
| len = (uint32_t) strlen(p); |
| next = p + len; |
| } |
| else { |
| len = (uint32_t) (next - p); |
| *(char *) next = '\0'; |
| next++; |
| } |
| |
| curdir = opendir(p); |
| if (curdir) { |
| dent = readdir(curdir); |
| while (dent) { |
| /* Look for layers starting with VK_LAYER_LIBRARY_PREFIX and |
| * ending with VK_LIBRARY_SUFFIX |
| */ |
| if (!strncmp(dent->d_name, |
| VK_LAYER_LIBRARY_PREFIX, |
| VK_LAYER_LIBRARY_PREFIX_LEN)) { |
| uint32_t nlen = (uint32_t) strlen(dent->d_name); |
| const char *suf = dent->d_name + nlen - VK_LIBRARY_SUFFIX_LEN; |
| if ((nlen > VK_LIBRARY_SUFFIX_LEN) && |
| !strncmp(suf, |
| VK_LIBRARY_SUFFIX, |
| VK_LIBRARY_SUFFIX_LEN)) { |
| loader_platform_dl_handle handle; |
| snprintf(temp_str, sizeof(temp_str), |
| "%s%c%s",p, DIRECTORY_SYMBOL, dent->d_name); |
| // Used to call: dlopen(temp_str, RTLD_LAZY) |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "Attempt to open library: %s", temp_str); |
| if ((handle = loader_platform_open_library(temp_str)) == NULL) { |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, "open library failed"); |
| dent = readdir(curdir); |
| continue; |
| } |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "Opened library: %s", temp_str); |
| |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, "Collecting global extensions for %s", temp_str); |
| |
| loader_add_global_layer_properties(temp_str, handle, &loader.scanned_layers); |
| |
| loader_platform_close_library(handle); |
| } |
| } |
| |
| dent = readdir(curdir); |
| } // while (dir_entry) |
| closedir(curdir); |
| } // if (curdir)) |
| } // for (libpaths) |
| } |
| |
| static void* VKAPI loader_gpa_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 (!strcmp(pName, "vkGetInstanceProcAddr")) |
| return (void *) loader_gpa_instance_internal; |
| |
| if (disp_table == NULL) |
| return NULL; |
| |
| addr = loader_lookup_instance_dispatch_table(disp_table, pName); |
| if (addr) { |
| return addr; |
| } |
| |
| if (disp_table->GetInstanceProcAddr == NULL) { |
| return NULL; |
| } |
| return disp_table->GetInstanceProcAddr(inst, pName); |
| } |
| |
| struct loader_icd * loader_get_icd(const VkPhysicalDevice gpu, uint32_t *gpu_index) |
| { |
| |
| for (struct loader_instance *inst = loader.instances; inst; inst = inst->next) { |
| for (struct loader_icd *icd = inst->icds; icd; icd = icd->next) { |
| for (uint32_t i = 0; i < icd->gpu_count; i++) |
| if (icd->gpus[i] == gpu) { |
| *gpu_index = i; |
| return icd; |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| static loader_platform_dl_handle loader_add_layer_lib( |
| const char *chain_type, |
| struct loader_layer_properties *layer_prop) |
| { |
| struct loader_lib_info *new_layer_lib_list, *my_lib; |
| |
| for (uint32_t i = 0; i < loader.loaded_layer_lib_count; i++) { |
| if (strcmp(loader.loaded_layer_lib_list[i].lib_name, layer_prop->lib_info.lib_name) == 0) { |
| /* Have already loaded this library, just increment ref count */ |
| loader.loaded_layer_lib_list[i].ref_count++; |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "%s Chain: Increment layer reference count for layer library %s", |
| chain_type, layer_prop->lib_info.lib_name); |
| return loader.loaded_layer_lib_list[i].lib_handle; |
| } |
| } |
| |
| /* Haven't seen this library so load it */ |
| new_layer_lib_list = realloc(loader.loaded_layer_lib_list, |
| (loader.loaded_layer_lib_count + 1) * sizeof(struct loader_lib_info)); |
| if (!new_layer_lib_list) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "loader: malloc failed"); |
| return NULL; |
| } |
| |
| my_lib = &new_layer_lib_list[loader.loaded_layer_lib_count]; |
| |
| /* NOTE: We require that the layer property be immutable */ |
| my_lib->lib_name = (char *) layer_prop->lib_info.lib_name; |
| my_lib->ref_count = 0; |
| my_lib->lib_handle = NULL; |
| |
| if ((my_lib->lib_handle = loader_platform_open_library(my_lib->lib_name)) == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, |
| loader_platform_open_library_error(my_lib->lib_name)); |
| return NULL; |
| } else { |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "Chain: %s: Loading layer library %s", |
| chain_type, layer_prop->lib_info.lib_name); |
| } |
| loader.loaded_layer_lib_count++; |
| loader.loaded_layer_lib_list = new_layer_lib_list; |
| my_lib->ref_count++; |
| |
| return my_lib->lib_handle; |
| } |
| |
| static void loader_remove_layer_lib( |
| struct loader_instance *inst, |
| struct loader_layer_properties *layer_prop) |
| { |
| uint32_t idx; |
| struct loader_lib_info *new_layer_lib_list, *my_lib; |
| |
| for (uint32_t i = 0; i < loader.loaded_layer_lib_count; i++) { |
| if (strcmp(loader.loaded_layer_lib_list[i].lib_name, layer_prop->lib_info.lib_name) == 0) { |
| /* found matching library */ |
| idx = i; |
| my_lib = &loader.loaded_layer_lib_list[i]; |
| break; |
| } |
| } |
| |
| my_lib->ref_count--; |
| if (my_lib->ref_count > 0) { |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "Decrement reference count for layer library %s", layer_prop->lib_info.lib_name); |
| return; |
| } |
| |
| loader_platform_close_library(my_lib->lib_handle); |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "Unloading layer library %s", layer_prop->lib_info.lib_name); |
| |
| /* Need to remove unused library from list */ |
| new_layer_lib_list = malloc((loader.loaded_layer_lib_count - 1) * sizeof(struct loader_lib_info)); |
| if (!new_layer_lib_list) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "loader: malloc failed"); |
| return; |
| } |
| |
| if (idx > 0) { |
| /* Copy records before idx */ |
| memcpy(new_layer_lib_list, &loader.loaded_layer_lib_list[0], |
| sizeof(struct loader_lib_info) * idx); |
| } |
| if (idx < (loader.loaded_layer_lib_count - 1)) { |
| /* Copy records after idx */ |
| memcpy(&new_layer_lib_list[idx], &loader.loaded_layer_lib_list[idx+1], |
| sizeof(struct loader_lib_info) * (loader.loaded_layer_lib_count - idx - 1)); |
| } |
| |
| free(loader.loaded_layer_lib_list); |
| loader.loaded_layer_lib_count--; |
| loader.loaded_layer_lib_list = new_layer_lib_list; |
| } |
| |
| static void loader_add_layer_implicit( |
| const enum layer_type type, |
| struct loader_layer_list *list, |
| struct loader_layer_list *search_list) |
| { |
| uint32_t i; |
| for (i = 0; i < search_list->count; i++) { |
| const struct loader_layer_properties *prop = &search_list->list[i]; |
| if (prop->type & type) { |
| /* Found an layer with the same type, add to layer_list */ |
| loader_add_to_layer_list(list, 1, prop); |
| } |
| } |
| |
| } |
| |
| /** |
| * Get the layer name(s) from the env_name environment variable. If layer |
| * is found in search_list then add it to layer_list. |
| */ |
| static void loader_add_layer_env( |
| const char *env_name, |
| struct loader_layer_list *layer_list, |
| const struct loader_layer_list *search_list) |
| { |
| char *layerEnv; |
| char *next, *name; |
| |
| layerEnv = getenv(env_name); |
| if (layerEnv == NULL) { |
| return; |
| } |
| name = alloca(strlen(layerEnv) + 1); |
| if (name == NULL) { |
| return; |
| } |
| strcpy(name, layerEnv); |
| |
| while (name && *name ) { |
| next = loader_get_next_path(name); |
| loader_find_layer_name_add_list(name, search_list, layer_list); |
| name = next; |
| } |
| |
| return; |
| } |
| |
| void loader_deactivate_instance_layers(struct loader_instance *instance) |
| { |
| if (!instance->activated_layer_list.count) { |
| return; |
| } |
| |
| /* Create instance chain of enabled layers */ |
| for (uint32_t i = 0; i < instance->activated_layer_list.count; i++) { |
| struct loader_layer_properties *layer_prop = &instance->activated_layer_list.list[i]; |
| |
| loader_remove_layer_lib(instance, layer_prop); |
| } |
| loader_destroy_layer_list(&instance->activated_layer_list); |
| } |
| |
| void loader_enable_instance_layers( |
| struct loader_instance *inst, |
| const VkInstanceCreateInfo *pCreateInfo) |
| { |
| if (inst == NULL) |
| return; |
| |
| if (!loader_init_layer_list(&inst->activated_layer_list)) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Failed to malloc Instance activated layer list"); |
| return; |
| } |
| |
| /* Add any implicit layers first */ |
| loader_add_layer_implicit( |
| VK_LAYER_TYPE_INSTANCE_IMPLICIT, |
| &inst->activated_layer_list, |
| &loader.scanned_layers); |
| |
| /* Add any layers specified via environment variable first */ |
| loader_add_layer_env( |
| "VK_INSTANCE_LAYERS", |
| &inst->activated_layer_list, |
| &loader.scanned_layers); |
| |
| /* Add layers specified by the application */ |
| loader_add_layer_names_to_list( |
| &inst->activated_layer_list, |
| pCreateInfo->layerCount, |
| pCreateInfo->ppEnabledLayerNames, |
| &loader.scanned_layers); |
| } |
| |
| uint32_t loader_activate_instance_layers(struct loader_instance *inst) |
| { |
| uint32_t layer_idx; |
| VkBaseLayerObject *wrappedInstance; |
| |
| if (inst == NULL) { |
| return 0; |
| } |
| |
| // NOTE inst is unwrapped at this point in time |
| VkObject baseObj = (VkObject) inst; |
| VkObject nextObj = (VkObject) inst; |
| VkBaseLayerObject *nextInstObj; |
| PFN_vkGetInstanceProcAddr nextGPA = loader_gpa_instance_internal; |
| |
| if (!inst->activated_layer_list.count) { |
| return 0; |
| } |
| |
| wrappedInstance = malloc(sizeof(VkBaseLayerObject) |
| * inst->activated_layer_list.count); |
| if (!wrappedInstance) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Failed to malloc Instance objects for layer"); |
| return 0; |
| } |
| |
| /* Create instance chain of enabled layers */ |
| layer_idx = inst->activated_layer_list.count - 1; |
| for (int32_t i = inst->activated_layer_list.count - 1; i >= 0; i--) { |
| struct loader_layer_properties *layer_prop = &inst->activated_layer_list.list[i]; |
| loader_platform_dl_handle lib_handle; |
| |
| /* |
| * Note: An extension's Get*ProcAddr should not return a function pointer for |
| * any extension entry points until the extension has been enabled. |
| * To do this requires a different behavior from Get*ProcAddr functions implemented |
| * in layers. |
| * The very first call to a layer will be it's Get*ProcAddr function requesting |
| * the layer's vkGet*ProcAddr. The layer should intialize it's internal dispatch table |
| * with the wrapped object given (either Instance or Device) and return the layer's |
| * Get*ProcAddr function. The layer should also use this opportunity to record the |
| * baseObject so that it can find the correct local dispatch table on future calls. |
| * Subsequent calls to Get*ProcAddr, CreateInstance, CreateDevice |
| * will not use a wrapped object and must look up their local dispatch table from |
| * the given baseObject. |
| */ |
| nextInstObj = (wrappedInstance + layer_idx); |
| nextInstObj->pGPA = nextGPA; |
| nextInstObj->baseObject = baseObj; |
| nextInstObj->nextObject = nextObj; |
| nextObj = (VkObject) nextInstObj; |
| |
| char funcStr[256]; |
| snprintf(funcStr, 256, "%sGetInstanceProcAddr", layer_prop->info.layerName); |
| lib_handle = loader_add_layer_lib("instance", layer_prop); |
| if ((nextGPA = (PFN_vkGetInstanceProcAddr) loader_platform_get_proc_address(lib_handle, funcStr)) == NULL) |
| nextGPA = (PFN_vkGetInstanceProcAddr) loader_platform_get_proc_address(lib_handle, "vkGetInstanceProcAddr"); |
| if (!nextGPA) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Failed to find vkGetInstanceProcAddr in layer %s", layer_prop->lib_info.lib_name); |
| |
| /* TODO: Should we return nextObj, nextGPA to previous? */ |
| continue; |
| } |
| |
| loader_log(VK_DBG_REPORT_INFO_BIT, 0, |
| "Insert instance layer %s (%s)", |
| layer_prop->info.layerName, |
| layer_prop->lib_info.lib_name); |
| |
| layer_idx--; |
| } |
| |
| loader_init_instance_core_dispatch_table(inst->disp, nextGPA, (VkInstance) nextObj, (VkInstance) baseObj); |
| |
| free(wrappedInstance); |
| return inst->activated_layer_list.count; |
| } |
| |
| void loader_activate_instance_layer_extensions(struct loader_instance *inst) |
| { |
| |
| loader_init_instance_extension_dispatch_table(inst->disp, |
| inst->disp->GetInstanceProcAddr, |
| (VkInstance) inst); |
| } |
| |
| static void loader_enable_device_layers( |
| struct loader_device *dev, |
| const VkDeviceCreateInfo *pCreateInfo) |
| { |
| if (dev == NULL) |
| return; |
| |
| if (dev->activated_layer_list.list == NULL || dev->activated_layer_list.capacity == 0) { |
| loader_init_layer_list(&dev->activated_layer_list); |
| } |
| |
| if (dev->activated_layer_list.list == NULL) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Failed to malloc device activated layer list"); |
| return; |
| } |
| |
| /* Add any implicit layers first */ |
| loader_add_layer_implicit( |
| VK_LAYER_TYPE_DEVICE_IMPLICIT, |
| &dev->activated_layer_list, |
| &loader.scanned_layers); |
| |
| /* Add any layers specified via environment variable next */ |
| loader_add_layer_env( |
| "VK_DEVICE_LAYERS", |
| &dev->activated_layer_list, |
| &loader.scanned_layers); |
| |
| /* Add layers specified by the application */ |
| loader_add_layer_names_to_list( |
| &dev->activated_layer_list, |
| pCreateInfo->layerCount, |
| pCreateInfo->ppEnabledLayerNames, |
| &loader.scanned_layers); |
| } |
| |
| /* |
| * This function terminates the device chain fro CreateDevice. |
| * CreateDevice is a special case and so the loader call's |
| * the ICD's CreateDevice before creating the chain. Since |
| * we can't call CreateDevice twice we must terminate the |
| * device chain with something else. |
| */ |
| static VkResult scratch_vkCreateDevice( |
| VkPhysicalDevice gpu, |
| const VkDeviceCreateInfo *pCreateInfo, |
| VkDevice *pDevice) |
| { |
| return VK_SUCCESS; |
| } |
| |
| static void * VKAPI loader_GetDeviceChainProcAddr(VkDevice device, const char * name) |
| { |
| if (!strcmp(name, "vkGetDeviceProcAddr")) |
| return (void *) loader_GetDeviceChainProcAddr; |
| if (!strcmp(name, "vkCreateDevice")) |
| return (void *) scratch_vkCreateDevice; |
| |
| struct loader_device *found_dev; |
| struct loader_icd *icd = loader_get_icd_and_device(device, &found_dev); |
| return icd->GetDeviceProcAddr(device, name); |
| } |
| |
| static uint32_t loader_activate_device_layers( |
| VkPhysicalDevice gpu, |
| VkDevice device, |
| struct loader_device *dev, |
| struct loader_icd *icd) |
| { |
| if (!icd) |
| return 0; |
| |
| if (!dev) { |
| return 0; |
| } |
| |
| /* activate any layer libraries */ |
| VkObject nextObj = (VkObject) device; |
| VkObject baseObj = nextObj; |
| VkBaseLayerObject *nextGpuObj; |
| PFN_vkGetDeviceProcAddr nextGPA = loader_GetDeviceChainProcAddr; |
| VkBaseLayerObject *wrappedGpus; |
| |
| if (!dev->activated_layer_list.count) |
| return 0; |
| |
| wrappedGpus = malloc(sizeof (VkBaseLayerObject) * dev->activated_layer_list.count); |
| if (!wrappedGpus) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Failed to malloc Gpu objects for layer"); |
| return 0; |
| } |
| |
| for (int32_t i = dev->activated_layer_list.count - 1; i >= 0; i--) { |
| |
| struct loader_layer_properties *layer_prop = &dev->activated_layer_list.list[i]; |
| loader_platform_dl_handle lib_handle; |
| |
| nextGpuObj = (wrappedGpus + i); |
| nextGpuObj->pGPA = nextGPA; |
| nextGpuObj->baseObject = baseObj; |
| nextGpuObj->nextObject = nextObj; |
| nextObj = (VkObject) nextGpuObj; |
| |
| char funcStr[256]; |
| snprintf(funcStr, 256, "%sGetDeviceProcAddr", layer_prop->info.layerName); |
| lib_handle = loader_add_layer_lib("device", layer_prop); |
| if ((nextGPA = (PFN_vkGetDeviceProcAddr) loader_platform_get_proc_address(lib_handle, funcStr)) == NULL) |
| nextGPA = (PFN_vkGetDeviceProcAddr) loader_platform_get_proc_address(lib_handle, "vkGetDeviceProcAddr"); |
| if (!nextGPA) { |
| loader_log(VK_DBG_REPORT_ERROR_BIT, 0, "Failed to find vkGetDeviceProcAddr in layer %s", layer_prop->info.layerName); |
| continue; |
| } |
| |
| loader_log(VK_DBG_REPORT_INFO_BIT, 0, |
| "Insert device layer library %s (%s)", |
| layer_prop->info.layerName, |
| layer_prop->lib_info.lib_name); |
| |
| } |
| |
| loader_init_device_dispatch_table(&dev->loader_dispatch, nextGPA, |
| (VkPhysicalDevice) nextObj, (VkPhysicalDevice) baseObj); |
| free(wrappedGpus); |
| |
| return dev->activated_layer_list.count; |
| } |
| |
| VkResult loader_CreateInstance( |
| const VkInstanceCreateInfo* pCreateInfo, |
| VkInstance* pInstance) |
| { |
| struct loader_instance *ptr_instance = *(struct loader_instance **) pInstance; |
| struct loader_scanned_icds *scanned_icds; |
| struct loader_icd *icd; |
| VkResult res; |
| |
| scanned_icds = loader.scanned_icd_list; |
| while (scanned_icds) { |
| icd = loader_icd_add(ptr_instance, scanned_icds); |
| if (icd) { |
| res = scanned_icds->CreateInstance(pCreateInfo, |
| &(icd->instance)); |
| if (res != VK_SUCCESS) |
| { |
| ptr_instance->icds = ptr_instance->icds->next; |
| loader_icd_destroy(ptr_instance, icd); |
| icd->instance = VK_NULL_HANDLE; |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, |
| "ICD ignored: failed to CreateInstance on device"); |
| } else |
| { |
| loader_icd_init_entrys(icd, scanned_icds); |
| } |
| } |
| scanned_icds = scanned_icds->next; |
| } |
| |
| if (ptr_instance->icds == NULL) { |
| return VK_ERROR_INCOMPATIBLE_DRIVER; |
| } |
| |
| return res; |
| } |
| |
| VkResult loader_DestroyInstance( |
| VkInstance instance) |
| { |
| struct loader_instance *ptr_instance = loader_instance(instance); |
| struct loader_icd *icds = ptr_instance->icds; |
| struct loader_icd *next_icd; |
| VkResult res; |
| |
| // 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; |
| } |
| if (next == NULL) { |
| // This must be an invalid instance handle or empty list |
| return VK_ERROR_INVALID_HANDLE; |
| } |
| |
| while (icds) { |
| if (icds->instance) { |
| res = icds->DestroyInstance(icds->instance); |
| if (res != VK_SUCCESS) |
| loader_log(VK_DBG_REPORT_WARN_BIT, 0, |
| "ICD ignored: failed to DestroyInstance on device"); |
| } |
| next_icd = icds->next; |
| icds->instance = VK_NULL_HANDLE; |
| loader_icd_destroy(ptr_instance, icds); |
| |
| icds = next_icd; |
| } |
| |
| |
| return VK_SUCCESS; |
| } |
| |
| VkResult loader_init_physical_device_info( |
| struct loader_instance *ptr_instance) |
| { |
| struct loader_icd *icd; |
| uint32_t n, count = 0; |
| VkResult res = VK_ERROR_UNKNOWN; |
| |
| icd = ptr_instance->icds; |
| while (icd) { |
| res = icd->EnumeratePhysicalDevices(icd->instance, &n, NULL); |
| if (res != VK_SUCCESS) |
| return res; |
| icd->gpu_count = n; |
| count += n; |
| icd = icd->next; |
| } |
| |
| ptr_instance->total_gpu_count = count; |
| |
| icd = ptr_instance->icds; |
| while (icd) { |
| |
| n = icd->gpu_count; |
| icd->gpus = (VkPhysicalDevice *) malloc(n * sizeof(VkPhysicalDevice)); |
| if (!icd->gpus) { |
| /* TODO: Add cleanup code here */ |
| return VK_ERROR_OUT_OF_HOST_MEMORY; |
| } |
| res = icd->EnumeratePhysicalDevices( |
| icd->instance, |
| &n, |
| icd->gpus); |
| if ((res == VK_SUCCESS) && (n == icd->gpu_count)) { |
| |
| for (unsigned int i = 0; i < n; i++) { |
| |
| loader_init_dispatch(icd->gpus[i], ptr_instance->disp); |
| |
| if (!loader_init_ext_list(&icd->device_extension_cache[i])) { |
| /* TODO: Add cleanup code here */ |
| res = VK_ERROR_OUT_OF_HOST_MEMORY; |
| } |
| if (res == VK_SUCCESS) { |
| |
| loader_add_physical_device_extensions( |
| icd->GetPhysicalDeviceExtensionProperties, |
| icd->gpus[0], |
| VK_EXTENSION_ORIGIN_ICD, |
| icd->scanned_icds->lib_name, |
| &icd->device_extension_cache[i]); |
| |
| for (uint32_t l = 0; l < loader.scanned_layers.count; l++) { |
| loader_platform_dl_handle lib_handle; |
| char *lib_name = loader.scanned_layers.list[i].lib_info.lib_name; |
| |
| lib_handle = loader_platform_open_library(lib_name); |
| if (lib_handle == NULL) { |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, "open library failed: %s", lib_name); |
| continue; |
| } |
| loader_log(VK_DBG_REPORT_DEBUG_BIT, 0, |
| "library: %s", lib_name); |
| |
| loader_add_physical_device_layer_properties( |
| icd, lib_name, lib_handle); |
| |
| loader_platform_close_library(lib_handle); |
| } |
| } |
| |
| if (res != VK_SUCCESS) { |
| /* clean up any extension lists previously created before this request failed */ |
| for (uint32_t j = 0; j < i; j++) { |
| loader_destroy_ext_list(&icd->device_extension_cache[i]); |
| } |
| |
| loader_destroy_layer_list(&icd->layer_properties_cache); |
| return res; |
| } |
| } |
| |
| count += n; |
| } |
| |
| icd = icd->next; |
| } |
| |
| return VK_SUCCESS; |
| } |
| |
| VkResult loader_EnumeratePhysicalDevices( |
| VkInstance instance, |
| uint32_t* pPhysicalDeviceCount, |
| VkPhysicalDevice* pPhysicalDevices) |
| { |
| uint32_t index = 0; |
| struct loader_instance *ptr_instance = (struct loader_instance *) instance; |
| struct loader_icd *icd = ptr_instance->icds; |
| |
| if (ptr_instance->total_gpu_count == 0) { |
| loader_init_physical_device_info(ptr_instance); |
| } |
| |
| *pPhysicalDeviceCount = ptr_instance->total_gpu_count; |
| if (!pPhysicalDevices) { |
| return VK_SUCCESS; |
| } |
| |
| while (icd) { |
| assert((index + icd->gpu_count) <= *pPhysicalDeviceCount); |
| memcpy(&pPhysicalDevices[index], icd->gpus, icd->gpu_count * sizeof(VkPhysicalDevice)); |
| index += icd->gpu_count; |
| icd = icd->next; |
| } |
| |
| return VK_SUCCESS; |
| } |
| |
| VkResult loader_GetPhysicalDeviceProperties( |
| VkPhysicalDevice gpu, |
| VkPhysicalDeviceProperties* pProperties) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDeviceProperties) |
| res = icd->GetPhysicalDeviceProperties(gpu, pProperties); |
| |
| return res; |
| } |
| |
| VkResult loader_GetPhysicalDevicePerformance( |
| VkPhysicalDevice gpu, |
| VkPhysicalDevicePerformance* pPerformance) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDevicePerformance) |
| res = icd->GetPhysicalDevicePerformance(gpu, pPerformance); |
| |
| return res; |
| } |
| |
| VkResult loader_GetPhysicalDeviceQueueCount( |
| VkPhysicalDevice gpu, |
| uint32_t* pCount) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDeviceQueueCount) |
| res = icd->GetPhysicalDeviceQueueCount(gpu, pCount); |
| |
| return res; |
| } |
| |
| VkResult loader_GetPhysicalDeviceQueueProperties ( |
| VkPhysicalDevice gpu, |
| uint32_t count, |
| VkPhysicalDeviceQueueProperties * pProperties) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDeviceQueueProperties) |
| res = icd->GetPhysicalDeviceQueueProperties(gpu, count, pProperties); |
| |
| return res; |
| } |
| |
| VkResult loader_GetPhysicalDeviceMemoryProperties ( |
| VkPhysicalDevice gpu, |
| VkPhysicalDeviceMemoryProperties* pProperties) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDeviceMemoryProperties) |
| res = icd->GetPhysicalDeviceMemoryProperties(gpu, pProperties); |
| |
| return res; |
| } |
| |
| VkResult loader_GetPhysicalDeviceFeatures( |
| VkPhysicalDevice physicalDevice, |
| VkPhysicalDeviceFeatures* pFeatures) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(physicalDevice, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDeviceFeatures) |
| res = icd->GetPhysicalDeviceFeatures(physicalDevice, pFeatures); |
| |
| return res; |
| } |
| |
| VkResult loader_GetPhysicalDeviceFormatInfo( |
| VkPhysicalDevice physicalDevice, |
| VkFormat format, |
| VkFormatProperties* pFormatInfo) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(physicalDevice, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDeviceFormatInfo) |
| res = icd->GetPhysicalDeviceFormatInfo(physicalDevice, format, pFormatInfo); |
| |
| return res; |
| } |
| |
| VkResult loader_GetPhysicalDeviceLimits( |
| VkPhysicalDevice physicalDevice, |
| VkPhysicalDeviceLimits* pLimits) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(physicalDevice, &gpu_index); |
| VkResult res = VK_ERROR_INITIALIZATION_FAILED; |
| |
| if (icd->GetPhysicalDeviceLimits) |
| res = icd->GetPhysicalDeviceLimits(physicalDevice, pLimits); |
| |
| return res; |
| } |
| |
| VkResult loader_CreateDevice( |
| VkPhysicalDevice gpu, |
| const VkDeviceCreateInfo* pCreateInfo, |
| VkDevice* pDevice) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| struct loader_device *dev; |
| VkResult res; |
| |
| if (!icd->CreateDevice) { |
| return VK_ERROR_INITIALIZATION_FAILED; |
| } |
| |
| /* |
| * TODO: Must filter CreateInfo extension list to only |
| * those extensions supported by the ICD. |
| * TODO: Probably should verify that every extension is |
| * covered by either the ICD or some layer. |
| */ |
| |
| res = icd->CreateDevice(gpu, pCreateInfo, pDevice); |
| if (res != VK_SUCCESS) { |
| return res; |
| } |
| |
| dev = loader_add_logical_device(*pDevice, &icd->logical_device_list); |
| if (dev == NULL) { |
| return VK_ERROR_OUT_OF_HOST_MEMORY; |
| } |
| PFN_vkGetDeviceProcAddr get_proc_addr = icd->GetDeviceProcAddr; |
| loader_init_device_dispatch_table(&dev->loader_dispatch, get_proc_addr, |
| icd->gpus[gpu_index], icd->gpus[gpu_index]); |
| |
| dev->loader_dispatch.CreateDevice = scratch_vkCreateDevice; |
| loader_init_dispatch(*pDevice, &dev->loader_dispatch); |
| |
| /* |
| * Put together the complete list of extensions to enable |
| * This includes extensions requested via environment variables. |
| */ |
| loader_enable_device_layers(dev, pCreateInfo); |
| |
| /* |
| * Load the libraries and build the device chain |
| * terminating with the selected device. |
| */ |
| loader_activate_device_layers(gpu, *pDevice, dev, icd); |
| |
| res = dev->loader_dispatch.CreateDevice(gpu, pCreateInfo, pDevice); |
| |
| dev->loader_dispatch.CreateDevice = icd->CreateDevice; |
| |
| return res; |
| } |
| |
| static void * VKAPI loader_GetInstanceProcAddr(VkInstance instance, const char * pName) |
| { |
| if (instance == VK_NULL_HANDLE) |
| return NULL; |
| |
| void *addr; |
| /* get entrypoint addresses that are global (in the loader)*/ |
| addr = globalGetProcAddr(pName); |
| if (addr) |
| return addr; |
| |
| struct loader_instance *ptr_instance = (struct loader_instance *) instance; |
| |
| /* return any extension global entrypoints */ |
| addr = debug_report_instance_gpa(ptr_instance, pName); |
| if (addr) { |
| return addr; |
| } |
| |
| /* TODO Remove this once WSI has no loader special code */ |
| addr = wsi_lunarg_GetInstanceProcAddr(instance, pName); |
| if (addr) { |
| return addr; |
| } |
| |
| /* return the instance dispatch table entrypoint for extensions */ |
| const VkLayerInstanceDispatchTable *disp_table = * (VkLayerInstanceDispatchTable **) instance; |
| if (disp_table == NULL) |
| return NULL; |
| |
| addr = loader_lookup_instance_dispatch_table(disp_table, pName); |
| if (addr) |
| return addr; |
| |
| return NULL; |
| } |
| |
| LOADER_EXPORT void * VKAPI vkGetInstanceProcAddr(VkInstance instance, const char * pName) |
| { |
| return loader_GetInstanceProcAddr(instance, pName); |
| } |
| |
| static void * VKAPI loader_GetDeviceProcAddr(VkDevice device, const char * pName) |
| { |
| if (device == VK_NULL_HANDLE) { |
| return NULL; |
| } |
| |
| void *addr; |
| |
| /* for entrypoints that loader must handle (ie non-dispatchable or create object) |
| make sure the loader entrypoint is returned */ |
| addr = loader_non_passthrough_gpa(pName); |
| if (addr) { |
| return addr; |
| } |
| |
| /* return any extension device entrypoints the loader knows about */ |
| /* TODO once WSI has no loader special code remove this */ |
| addr = wsi_lunarg_GetDeviceProcAddr(device, pName); |
| if (addr) { |
| return addr; |
| } |
| |
| /* return the dispatch table entrypoint for the fastest case */ |
| const VkLayerDispatchTable *disp_table = * (VkLayerDispatchTable **) device; |
| if (disp_table == NULL) |
| return NULL; |
| |
| addr = loader_lookup_device_dispatch_table(disp_table, pName); |
| if (addr) |
| return addr; |
| else { |
| if (disp_table->GetDeviceProcAddr == NULL) |
| return NULL; |
| return disp_table->GetDeviceProcAddr(device, pName); |
| } |
| } |
| |
| LOADER_EXPORT void * VKAPI vkGetDeviceProcAddr(VkDevice device, const char * pName) |
| { |
| return loader_GetDeviceProcAddr(device, pName); |
| } |
| |
| LOADER_EXPORT VkResult VKAPI vkGetGlobalExtensionProperties( |
| const char* pLayerName, |
| uint32_t* pCount, |
| VkExtensionProperties* pProperties) |
| { |
| struct loader_extension_list *global_extension_list; |
| |
| /* Scan/discover all ICD libraries in a single-threaded manner */ |
| loader_platform_thread_once(&once_icd, loader_icd_scan); |
| |
| /* get layer libraries in a single-threaded manner */ |
| loader_platform_thread_once(&once_layer, loader_layer_scan); |
| |
| /* merge any duplicate extensions */ |
| loader_platform_thread_once(&once_exts, loader_coalesce_extensions); |
| |
| uint32_t copy_size; |
| |
| if (pCount == NULL) { |
| return VK_ERROR_INVALID_POINTER; |
| } |
| |
| loader_platform_thread_lock_mutex(&loader_lock); |
| |
| global_extension_list = loader_global_extensions(pLayerName); |
| if (global_extension_list == NULL) { |
| loader_platform_thread_unlock_mutex(&loader_lock); |
| return VK_ERROR_INVALID_LAYER; |
| } |
| |
| if (pProperties == NULL) { |
| *pCount = global_extension_list->count; |
| loader_platform_thread_unlock_mutex(&loader_lock); |
| return VK_SUCCESS; |
| } |
| |
| copy_size = *pCount < global_extension_list->count ? *pCount : global_extension_list->count; |
| for (uint32_t i = 0; i < copy_size; i++) { |
| memcpy(&pProperties[i], |
| &global_extension_list->list[i].info, |
| sizeof(VkExtensionProperties)); |
| } |
| *pCount = copy_size; |
| |
| loader_platform_thread_unlock_mutex(&loader_lock); |
| |
| if (copy_size < global_extension_list->count) { |
| return VK_INCOMPLETE; |
| } |
| |
| return VK_SUCCESS; |
| } |
| |
| LOADER_EXPORT VkResult VKAPI vkGetGlobalLayerProperties( |
| uint32_t* pCount, |
| VkLayerProperties* pProperties) |
| { |
| |
| /* Scan/discover all ICD libraries in a single-threaded manner */ |
| loader_platform_thread_once(&once_icd, loader_icd_scan); |
| |
| /* get layer libraries in a single-threaded manner */ |
| loader_platform_thread_once(&once_layer, loader_layer_scan); |
| |
| /* merge any duplicate extensions */ |
| loader_platform_thread_once(&once_exts, loader_coalesce_extensions); |
| |
| uint32_t copy_size; |
| |
| if (pCount == NULL) { |
| return VK_ERROR_INVALID_POINTER; |
| } |
| |
| /* TODO: do we still need to lock */ |
| loader_platform_thread_lock_mutex(&loader_lock); |
| |
| struct loader_layer_list *layer_list; |
| layer_list = loader_global_layers(); |
| |
| if (pProperties == NULL) { |
| *pCount = layer_list->count; |
| loader_platform_thread_unlock_mutex(&loader_lock); |
| return VK_SUCCESS; |
| } |
| |
| copy_size = *pCount < layer_list->count ? *pCount : layer_list->count; |
| for (uint32_t i = 0; i < copy_size; i++) { |
| memcpy(&pProperties[i], &layer_list->list[i].info, sizeof(VkLayerProperties)); |
| } |
| *pCount = copy_size; |
| |
| loader_platform_thread_unlock_mutex(&loader_lock); |
| |
| if (copy_size < layer_list->count) { |
| return VK_INCOMPLETE; |
| } |
| |
| return VK_SUCCESS; |
| } |
| |
| VkResult loader_GetPhysicalDeviceExtensionProperties( |
| VkPhysicalDevice gpu, |
| const char* pLayerName, |
| uint32_t* pCount, |
| VkExtensionProperties* pProperties) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| uint32_t copy_size; |
| |
| if (pCount == NULL) { |
| return VK_ERROR_INVALID_POINTER; |
| } |
| |
| uint32_t count; |
| struct loader_extension_list *list; |
| loader_physical_device_extensions(icd, gpu_index, pLayerName, &count, &list); |
| |
| if (pProperties == NULL) { |
| *pCount = count; |
| return VK_SUCCESS; |
| } |
| |
| copy_size = *pCount < count ? *pCount : count; |
| for (uint32_t i = 0; i < copy_size; i++) { |
| memcpy(&pProperties[i], |
| &list->list[i].info, |
| sizeof(VkExtensionProperties)); |
| } |
| *pCount = copy_size; |
| |
| if (copy_size < count) { |
| return VK_INCOMPLETE; |
| } |
| |
| return VK_SUCCESS; |
| } |
| |
| VkResult loader_GetPhysicalDeviceLayerProperties( |
| VkPhysicalDevice gpu, |
| uint32_t* pCount, |
| VkLayerProperties* pProperties) |
| { |
| uint32_t gpu_index; |
| struct loader_icd *icd = loader_get_icd(gpu, &gpu_index); |
| uint32_t copy_size; |
| |
| if (pCount == NULL) { |
| return VK_ERROR_INVALID_POINTER; |
| } |
| |
| uint32_t count; |
| struct loader_layer_list *layer_list; |
| loader_physical_device_layers(icd, &count, &layer_list); |
| |
| if (pProperties == NULL) { |
| *pCount = count; |
| return VK_SUCCESS; |
| } |
| |
| copy_size = *pCount < count ? *pCount : count; |
| for (uint32_t i = 0; i < copy_size; i++) { |
| memcpy(&pProperties[i], |
| &layer_list->list[i].info, |
| sizeof(VkLayerProperties)); |
| } |
| *pCount = copy_size; |
| |
| if (copy_size < count) { |
| return VK_INCOMPLETE; |
| } |
| |
| return VK_SUCCESS; |
| } |