/* * * Copyright (c) 2014-2019 The Khronos Group Inc. * Copyright (c) 2014-2019 Valve Corporation * Copyright (c) 2014-2019 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 * Author: Courtney Goeltzenleuchter * Author: Chia-I Wu * Author: Chia-I Wu * Author: Mark Lobodzinski * Author: Lenny Komow * */ #ifndef LOADER_H #define LOADER_H #include #include "vk_loader_platform.h" #include "vk_loader_layer.h" #include #include #include #include "vk_layer_dispatch_table.h" #include "vk_loader_extensions.h" #if defined(__GNUC__) && __GNUC__ >= 4 #define LOADER_EXPORT __attribute__((visibility("default"))) #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590) #define LOADER_EXPORT __attribute__((visibility("default"))) #else #define LOADER_EXPORT #endif // A debug option to disable allocators at compile time to investigate future issues. #define DEBUG_DISABLE_APP_ALLOCATORS 0 #define MAX_STRING_SIZE 1024 // This is defined in vk_layer.h, but if there's problems we need to create the define // here. #ifndef MAX_NUM_UNKNOWN_EXTS #define MAX_NUM_UNKNOWN_EXTS 250 #endif enum layer_type_flags { VK_LAYER_TYPE_FLAG_INSTANCE_LAYER = 0x1, // If not set, indicates Device layer VK_LAYER_TYPE_FLAG_EXPLICIT_LAYER = 0x2, // If not set, indicates Implicit layer VK_LAYER_TYPE_FLAG_META_LAYER = 0x4, // If not set, indicates standard layer }; typedef enum VkStringErrorFlagBits { VK_STRING_ERROR_NONE = 0x00000000, VK_STRING_ERROR_LENGTH = 0x00000001, VK_STRING_ERROR_BAD_DATA = 0x00000002, VK_STRING_ERROR_NULL_PTR = 0x00000004, } VkStringErrorFlagBits; typedef VkFlags VkStringErrorFlags; static const int MaxLoaderStringLength = 256; static const char UTF8_ONE_BYTE_CODE = 0xC0; static const char UTF8_ONE_BYTE_MASK = 0xE0; static const char UTF8_TWO_BYTE_CODE = 0xE0; static const char UTF8_TWO_BYTE_MASK = 0xF0; static const char UTF8_THREE_BYTE_CODE = 0xF0; static const char UTF8_THREE_BYTE_MASK = 0xF8; static const char UTF8_DATA_BYTE_CODE = 0x80; static const char UTF8_DATA_BYTE_MASK = 0xC0; // form of all dynamic lists/arrays // only the list element should be changed struct loader_generic_list { size_t capacity; uint32_t count; void *list; }; struct loader_extension_list { size_t capacity; uint32_t count; VkExtensionProperties *list; }; struct loader_dev_ext_props { VkExtensionProperties props; uint32_t entrypoint_count; char **entrypoints; }; struct loader_device_extension_list { size_t capacity; uint32_t count; struct loader_dev_ext_props *list; }; struct loader_name_value { char name[MAX_STRING_SIZE]; char value[MAX_STRING_SIZE]; }; struct loader_layer_functions { char str_gipa[MAX_STRING_SIZE]; char str_gdpa[MAX_STRING_SIZE]; char str_negotiate_interface[MAX_STRING_SIZE]; PFN_vkNegotiateLoaderLayerInterfaceVersion negotiate_layer_interface; PFN_vkGetInstanceProcAddr get_instance_proc_addr; PFN_vkGetDeviceProcAddr get_device_proc_addr; PFN_GetPhysicalDeviceProcAddr get_physical_device_proc_addr; }; struct loader_override_expiration { uint16_t year; uint8_t month; uint8_t day; uint8_t hour; uint8_t minute; }; struct loader_layer_properties { VkLayerProperties info; enum layer_type_flags type_flags; uint32_t interface_version; // PFN_vkNegotiateLoaderLayerInterfaceVersion char lib_name[MAX_STRING_SIZE]; loader_platform_dl_handle lib_handle; struct loader_layer_functions functions; struct loader_extension_list instance_extension_list; struct loader_device_extension_list device_extension_list; struct loader_name_value disable_env_var; struct loader_name_value enable_env_var; uint32_t num_component_layers; char (*component_layer_names)[MAX_STRING_SIZE]; struct { char enumerate_instance_extension_properties[MAX_STRING_SIZE]; char enumerate_instance_layer_properties[MAX_STRING_SIZE]; char enumerate_instance_version[MAX_STRING_SIZE]; } pre_instance_functions; uint32_t num_override_paths; char (*override_paths)[MAX_STRING_SIZE]; bool is_override; bool has_expiration; struct loader_override_expiration expiration; bool keep; uint32_t num_blacklist_layers; char (*blacklist_layer_names)[MAX_STRING_SIZE]; uint32_t num_app_key_paths; char (*app_key_paths)[MAX_STRING_SIZE]; }; struct loader_layer_list { size_t capacity; uint32_t count; struct loader_layer_properties *list; }; struct loader_dispatch_hash_list { size_t capacity; uint32_t count; uint32_t *index; // index into the dev_ext dispatch table }; // loader_dispatch_hash_entry and loader_dev_ext_dispatch_table.dev_ext have // one to one correspondence; one loader_dispatch_hash_entry for one dev_ext // dispatch entry. // Also have a one to one correspondence with functions in dev_ext_trampoline.c struct loader_dispatch_hash_entry { char *func_name; struct loader_dispatch_hash_list list; // to handle hashing collisions }; typedef VkResult(VKAPI_PTR *PFN_vkDevExt)(VkDevice device); struct loader_dev_ext_dispatch_table { PFN_vkDevExt dev_ext[MAX_NUM_UNKNOWN_EXTS]; }; struct loader_dev_dispatch_table { VkLayerDispatchTable core_dispatch; struct loader_dev_ext_dispatch_table ext_dispatch; }; // per CreateDevice structure struct loader_device { struct loader_dev_dispatch_table loader_dispatch; VkDevice chain_device; // device object from the dispatch chain VkDevice icd_device; // device object from the icd struct loader_physical_device_term *phys_dev_term; // List of activated layers. // app_ is the version based on exactly what the application asked for. // This is what must be returned to the application on Enumerate calls. // expanded_ is the version based on expanding meta-layers into their // individual component layers. This is what is used internally. struct loader_layer_list app_activated_layer_list; struct loader_layer_list expanded_activated_layer_list; VkAllocationCallbacks alloc_callbacks; // List of activated device extensions that have terminators implemented in the loader struct { bool khr_swapchain_enabled; bool khr_display_swapchain_enabled; bool khr_device_group_enabled; bool ext_debug_marker_enabled; bool ext_debug_utils_enabled; bool ext_full_screen_exclusive_enabled; } extensions; struct loader_device *next; }; // Per ICD information // Per ICD structure struct loader_icd_term { // pointers to find other structs const struct loader_scanned_icd *scanned_icd; const struct loader_instance *this_instance; struct loader_device *logical_device_list; VkInstance instance; // instance object from the icd struct loader_icd_term_dispatch dispatch; struct loader_icd_term *next; PFN_PhysDevExt phys_dev_ext[MAX_NUM_UNKNOWN_EXTS]; }; // Per ICD library structure struct loader_icd_tramp_list { size_t capacity; uint32_t count; struct loader_scanned_icd *scanned_list; }; struct loader_instance_dispatch_table { VkLayerInstanceDispatchTable layer_inst_disp; // must be first entry in structure // Physical device functions unknown to the loader PFN_PhysDevExt phys_dev_ext[MAX_NUM_UNKNOWN_EXTS]; }; // Per instance structure struct loader_instance { struct loader_instance_dispatch_table *disp; // must be first entry in structure // Vulkan API version the app is intending to use. uint16_t app_api_major_version; uint16_t app_api_minor_version; // We need to manually track physical devices over time. If the user // re-queries the information, we don't want to delete old data or // create new data unless necessary. uint32_t total_gpu_count; uint32_t phys_dev_count_term; struct loader_physical_device_term **phys_devs_term; uint32_t phys_dev_count_tramp; struct loader_physical_device_tramp **phys_devs_tramp; // We also need to manually track physical device groups, but we don't need // loader specific structures since we have that content in the physical // device stored internal to the public structures. uint32_t phys_dev_group_count_term; struct VkPhysicalDeviceGroupProperties **phys_dev_groups_term; uint32_t phys_dev_group_count_tramp; struct VkPhysicalDeviceGroupProperties **phys_dev_groups_tramp; struct loader_instance *next; uint32_t total_icd_count; struct loader_icd_term *icd_terms; struct loader_icd_tramp_list icd_tramp_list; struct loader_dispatch_hash_entry dev_ext_disp_hash[MAX_NUM_UNKNOWN_EXTS]; struct loader_dispatch_hash_entry phys_dev_ext_disp_hash[MAX_NUM_UNKNOWN_EXTS]; struct loader_msg_callback_map_entry *icd_msg_callback_map; struct loader_layer_list instance_layer_list; bool override_layer_present; // List of activated layers. // app_ is the version based on exactly what the application asked for. // This is what must be returned to the application on Enumerate calls. // expanded_ is the version based on expanding meta-layers into their // individual component layers. This is what is used internally. struct loader_layer_list app_activated_layer_list; struct loader_layer_list expanded_activated_layer_list; VkInstance instance; // layers/ICD instance returned to trampoline struct loader_extension_list ext_list; // icds and loaders extensions union loader_instance_extension_enables enabled_known_extensions; VkLayerDbgFunctionNode *DbgFunctionHead; uint32_t num_tmp_report_callbacks; VkDebugReportCallbackCreateInfoEXT *tmp_report_create_infos; VkDebugReportCallbackEXT *tmp_report_callbacks; uint32_t num_tmp_messengers; VkDebugUtilsMessengerCreateInfoEXT *tmp_messenger_create_infos; VkDebugUtilsMessengerEXT *tmp_messengers; VkAllocationCallbacks alloc_callbacks; bool wsi_surface_enabled; #ifdef VK_USE_PLATFORM_WIN32_KHR bool wsi_win32_surface_enabled; #endif #ifdef VK_USE_PLATFORM_WAYLAND_KHR bool wsi_wayland_surface_enabled; #endif #ifdef VK_USE_PLATFORM_XCB_KHR bool wsi_xcb_surface_enabled; #endif #ifdef VK_USE_PLATFORM_XLIB_KHR bool wsi_xlib_surface_enabled; #endif #ifdef VK_USE_PLATFORM_DIRECTFB_EXT bool wsi_directfb_surface_enabled; #endif #ifdef VK_USE_PLATFORM_ANDROID_KHR bool wsi_android_surface_enabled; #endif #ifdef VK_USE_PLATFORM_MACOS_MVK bool wsi_macos_surface_enabled; #endif #ifdef VK_USE_PLATFORM_IOS_MVK bool wsi_ios_surface_enabled; #endif bool wsi_headless_surface_enabled; #if defined(VK_USE_PLATFORM_METAL_EXT) bool wsi_metal_surface_enabled; #endif bool wsi_display_enabled; bool wsi_display_props2_enabled; }; // VkPhysicalDevice requires special treatment by loader. Firstly, terminator // code must be able to get the struct loader_icd_term to call into the proper // driver (multiple ICD/gpu case). This can be accomplished by wrapping the // created VkPhysicalDevice in loader terminate_EnumeratePhysicalDevices(). // Secondly, the loader must be able to handle wrapped by layer VkPhysicalDevice // in trampoline code. This implies, that the loader trampoline code must also // wrap the VkPhysicalDevice object in trampoline code. Thus, loader has to // wrap the VkPhysicalDevice created object twice. In trampoline code it can't // rely on the terminator object wrapping since a layer may also wrap. Since // trampoline code wraps the VkPhysicalDevice this means all loader trampoline // code that passes a VkPhysicalDevice should unwrap it. // Per enumerated PhysicalDevice structure, used to wrap in trampoline code and // also same structure used to wrap in terminator code struct loader_physical_device_tramp { struct loader_instance_dispatch_table *disp; // must be first entry in structure struct loader_instance *this_instance; VkPhysicalDevice phys_dev; // object from layers/loader terminator }; // Per enumerated PhysicalDevice structure, used to wrap in terminator code struct loader_physical_device_term { struct loader_instance_dispatch_table *disp; // must be first entry in structure struct loader_icd_term *this_icd_term; uint8_t icd_index; VkPhysicalDevice phys_dev; // object from ICD }; struct loader_struct { struct loader_instance *instances; }; struct loader_scanned_icd { char *lib_name; loader_platform_dl_handle handle; uint32_t api_version; uint32_t interface_version; PFN_vkGetInstanceProcAddr GetInstanceProcAddr; PFN_GetPhysicalDeviceProcAddr GetPhysicalDeviceProcAddr; PFN_vkCreateInstance CreateInstance; PFN_vkEnumerateInstanceExtensionProperties EnumerateInstanceExtensionProperties; #if defined(VK_USE_PLATFORM_WIN32_KHR) PFN_vk_icdEnumerateAdapterPhysicalDevices EnumerateAdapterPhysicalDevices; #endif }; static inline struct loader_instance *loader_instance(VkInstance instance) { return (struct loader_instance *)instance; } static inline VkPhysicalDevice loader_unwrap_physical_device(VkPhysicalDevice physicalDevice) { struct loader_physical_device_tramp *phys_dev = (struct loader_physical_device_tramp *)physicalDevice; return phys_dev->phys_dev; } static inline void loader_set_dispatch(void *obj, const void *data) { *((const void **)obj) = data; } static inline VkLayerDispatchTable *loader_get_dispatch(const void *obj) { return *((VkLayerDispatchTable **)obj); } static inline struct loader_dev_dispatch_table *loader_get_dev_dispatch(const void *obj) { return *((struct loader_dev_dispatch_table **)obj); } static inline VkLayerInstanceDispatchTable *loader_get_instance_layer_dispatch(const void *obj) { return *((VkLayerInstanceDispatchTable **)obj); } static inline struct loader_instance_dispatch_table *loader_get_instance_dispatch(const void *obj) { return *((struct loader_instance_dispatch_table **)obj); } static inline void loader_init_dispatch(void *obj, const void *data) { #ifdef DEBUG assert(valid_loader_magic_value(obj) && "Incompatible ICD, first dword must be initialized to " "ICD_LOADER_MAGIC. See loader/README.md for details."); #endif loader_set_dispatch(obj, data); } // Global variables used across files extern struct loader_struct loader; extern THREAD_LOCAL_DECL struct loader_instance *tls_instance; #if defined(_WIN32) && !defined(LOADER_DYNAMIC_LIB) extern LOADER_PLATFORM_THREAD_ONCE_DEFINITION(once_init); #endif extern loader_platform_thread_mutex loader_lock; extern loader_platform_thread_mutex loader_json_lock; extern loader_platform_thread_mutex loader_preload_icd_lock; struct loader_msg_callback_map_entry { VkDebugReportCallbackEXT icd_obj; VkDebugReportCallbackEXT loader_obj; }; // Helper function definitions void *loader_instance_heap_alloc(const struct loader_instance *instance, size_t size, VkSystemAllocationScope allocationScope); void loader_instance_heap_free(const struct loader_instance *instance, void *pMemory); void *loader_instance_heap_realloc(const struct loader_instance *instance, void *pMemory, size_t orig_size, size_t size, VkSystemAllocationScope alloc_scope); void *loader_instance_tls_heap_alloc(size_t size); void loader_instance_tls_heap_free(void *pMemory); void *loader_device_heap_alloc(const struct loader_device *device, size_t size, VkSystemAllocationScope allocationScope); void loader_device_heap_free(const struct loader_device *device, void *pMemory); void *loader_device_heap_realloc(const struct loader_device *device, void *pMemory, size_t orig_size, size_t size, VkSystemAllocationScope alloc_scope); void loader_log(const struct loader_instance *inst, VkFlags msg_type, int32_t msg_code, const char *format, ...); bool compare_vk_extension_properties(const VkExtensionProperties *op1, const VkExtensionProperties *op2); VkResult loaderValidateLayers(const struct loader_instance *inst, const uint32_t layer_count, const char *const *ppEnabledLayerNames, const struct loader_layer_list *list); VkResult loader_validate_instance_extensions(struct loader_instance *inst, const struct loader_extension_list *icd_exts, const struct loader_layer_list *instance_layer, const VkInstanceCreateInfo *pCreateInfo); void loader_initialize(void); void loader_preload_icds(void); void loader_unload_preloaded_icds(void); bool has_vk_extension_property_array(const VkExtensionProperties *vk_ext_prop, const uint32_t count, const VkExtensionProperties *ext_array); bool has_vk_extension_property(const VkExtensionProperties *vk_ext_prop, const struct loader_extension_list *ext_list); 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); 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); 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); VkResult loader_init_generic_list(const struct loader_instance *inst, struct loader_generic_list *list_info, size_t element_size); void loader_destroy_generic_list(const struct loader_instance *inst, struct loader_generic_list *list); void loaderDestroyLayerList(const struct loader_instance *inst, struct loader_device *device, struct loader_layer_list *layer_list); void loaderDeleteLayerListAndProperties(const struct loader_instance *inst, struct loader_layer_list *layer_list); VkResult loaderAddLayerNameToList(const struct loader_instance *inst, const char *name, const enum layer_type_flags type_flags, const struct loader_layer_list *source_list, struct loader_layer_list *target_list, struct loader_layer_list *expanded_target_list); void loader_scanned_icd_clear(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list); VkResult loader_icd_scan(const struct loader_instance *inst, struct loader_icd_tramp_list *icd_tramp_list); void loaderScanForLayers(struct loader_instance *inst, struct loader_layer_list *instance_layers); void loaderScanForImplicitLayers(struct loader_instance *inst, struct loader_layer_list *instance_layers); bool loaderImplicitLayerIsEnabled(const struct loader_instance *inst, const struct loader_layer_properties *prop); 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_icd_term *loader_get_icd_and_device(const void *device, struct loader_device **found_dev, uint32_t *icd_index); void loader_init_dispatch_dev_ext(struct loader_instance *inst, struct loader_device *dev); void *loader_dev_ext_gpa(struct loader_instance *inst, const char *funcName); void *loader_get_dev_ext_trampoline(uint32_t index); bool loader_phys_dev_ext_gpa(struct loader_instance *inst, const char *funcName, bool perform_checking, void **tramp_addr, void **term_addr); void *loader_get_phys_dev_ext_tramp(uint32_t index); void *loader_get_phys_dev_ext_termin(uint32_t index); struct loader_instance *loader_get_instance(const VkInstance instance); void loaderDeactivateLayers(const struct loader_instance *instance, struct loader_device *device, struct loader_layer_list *list); struct loader_device *loader_create_logical_device(const struct loader_instance *inst, const VkAllocationCallbacks *pAllocator); void loader_add_logical_device(const struct loader_instance *inst, struct loader_icd_term *icd_term, struct loader_device *found_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); // NOTE: Outside of loader, this entry-point is only provided for error // cleanup. void loader_destroy_logical_device(const struct loader_instance *inst, struct loader_device *dev, const VkAllocationCallbacks *pAllocator); VkResult loaderEnableInstanceLayers(struct loader_instance *inst, const VkInstanceCreateInfo *pCreateInfo, const struct loader_layer_list *instance_layers); VkResult loader_create_instance_chain(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, struct loader_instance *inst, VkInstance *created_instance); void loaderActivateInstanceLayerExtensions(struct loader_instance *inst, VkInstance created_inst); 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); VKAPI_ATTR void VKAPI_CALL loader_layer_destroy_device(VkDevice device, const VkAllocationCallbacks *pAllocator, PFN_vkDestroyDevice destroyFunction); 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); 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); VkResult setupLoaderTrampPhysDevs(VkInstance instance); VkResult setupLoaderTermPhysDevs(struct loader_instance *inst); VkStringErrorFlags vk_string_validate(const int max_length, const char *char_array); #endif // LOADER_H