Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 1 | /* |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 2 | * |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 3 | * Copyright (c) 2015-2016 The Khronos Group Inc. |
| 4 | * Copyright (c) 2015-2016 Valve Corporation |
| 5 | * Copyright (c) 2015-2016 LunarG, Inc. |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 6 | * |
Jon Ashburn | 3ebf125 | 2016-04-19 11:30:31 -0600 | [diff] [blame] | 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | * you may not use this file except in compliance with the License. |
| 9 | * You may obtain a copy of the License at |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 10 | * |
Jon Ashburn | 3ebf125 | 2016-04-19 11:30:31 -0600 | [diff] [blame] | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 12 | * |
Jon Ashburn | 3ebf125 | 2016-04-19 11:30:31 -0600 | [diff] [blame] | 13 | * Unless required by applicable law or agreed to in writing, software |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | * See the License for the specific language governing permissions and |
| 17 | * limitations under the License. |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 18 | * |
| 19 | * Author: Ian Elliot <ian@lunarg.com> |
| 20 | * Author: Jon Ashburn <jon@lunarg.com> |
Courtney Goeltzenleuchter | 0555952 | 2015-10-30 11:14:30 -0600 | [diff] [blame] | 21 | * |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 22 | */ |
Jon Ashburn | 3f8c300 | 2015-10-15 13:47:58 -0600 | [diff] [blame] | 23 | #pragma once |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 24 | |
Mark Lobodzinski | 450e463 | 2015-11-24 12:04:15 -0700 | [diff] [blame] | 25 | #if defined(_WIN32) |
| 26 | // WinSock2.h must be included *BEFORE* windows.h |
Mark Lobodzinski | 450e463 | 2015-11-24 12:04:15 -0700 | [diff] [blame] | 27 | #include <WinSock2.h> |
| 28 | #endif // _WIN32 |
| 29 | |
David Pinedo | 9316d3b | 2015-11-06 12:54:48 -0700 | [diff] [blame] | 30 | #include "vulkan/vk_platform.h" |
| 31 | #include "vulkan/vk_sdk_platform.h" |
Cody Northrop | 33fa041 | 2015-07-08 16:48:37 -0600 | [diff] [blame] | 32 | |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 33 | #if defined(__linux__) |
| 34 | /* Linux-specific common code: */ |
| 35 | |
| 36 | // Headers: |
| 37 | //#define _GNU_SOURCE 1 |
| 38 | // TBD: Are the contents of the following file used? |
| 39 | #include <unistd.h> |
| 40 | // Note: The following file is for dynamic loading: |
| 41 | #include <dlfcn.h> |
| 42 | #include <pthread.h> |
| 43 | #include <assert.h> |
Jon Ashburn | fc1031e | 2015-11-17 15:31:02 -0700 | [diff] [blame] | 44 | #include <string.h> |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 45 | #include <stdbool.h> |
Michael Lentine | 695f2c2 | 2015-09-09 12:39:13 -0700 | [diff] [blame] | 46 | #include <stdlib.h> |
Jon Ashburn | 1531517 | 2015-07-07 15:06:25 -0600 | [diff] [blame] | 47 | #include <libgen.h> |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 48 | |
Courtney Goeltzenleuchter | d8e229c | 2015-04-08 15:36:08 -0600 | [diff] [blame] | 49 | // VK Library Filenames, Paths, etc.: |
Ian Elliott | 457810e | 2015-02-04 11:22:39 -0700 | [diff] [blame] | 50 | #define PATH_SEPERATOR ':' |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 51 | #define DIRECTORY_SYMBOL '/' |
| 52 | |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 53 | #define VULKAN_ICDCONF_DIR \ |
| 54 | "/" \ |
| 55 | "vulkan" \ |
| 56 | "/" \ |
| 57 | "icd.d" |
| 58 | #define VULKAN_ICD_DIR \ |
| 59 | "/" \ |
| 60 | "vulkan" \ |
| 61 | "/" \ |
| 62 | "icd" |
| 63 | #define VULKAN_ELAYERCONF_DIR \ |
| 64 | "/" \ |
| 65 | "vulkan" \ |
| 66 | "/" \ |
| 67 | "explicit_layer.d" |
| 68 | #define VULKAN_ILAYERCONF_DIR \ |
| 69 | "/" \ |
| 70 | "vulkan" \ |
| 71 | "/" \ |
| 72 | "implicit_layer.d" |
| 73 | #define VULKAN_LAYER_DIR \ |
| 74 | "/" \ |
| 75 | "vulkan" \ |
| 76 | "/" \ |
| 77 | "layer" |
James Jones | c28b0a1 | 2015-07-23 17:39:37 -0700 | [diff] [blame] | 78 | |
| 79 | #if defined(LOCALPREFIX) |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 80 | #define LOCAL_DRIVERS_INFO \ |
| 81 | LOCALPREFIX "/" SYSCONFDIR VULKAN_ICDCONF_DIR ":" LOCALPREFIX \ |
| 82 | "/" DATADIR VULKAN_ICDCONF_DIR ":" |
| 83 | #define LOCAL_ELAYERS_INFO \ |
| 84 | LOCALPREFIX "/" SYSCONFDIR VULKAN_ELAYERCONF_DIR ":" LOCALPREFIX \ |
| 85 | "/" DATADIR VULKAN_ELAYERCONF_DIR ":" |
| 86 | #define LOCAL_ILAYERS_INFO \ |
| 87 | LOCALPREFIX "/" SYSCONFDIR VULKAN_ILAYERCONF_DIR ":" LOCALPREFIX \ |
| 88 | "/" DATADIR VULKAN_ILAYERCONF_DIR ":" |
James Jones | c28b0a1 | 2015-07-23 17:39:37 -0700 | [diff] [blame] | 89 | #else |
| 90 | #define LOCAL_DRIVERS_INFO |
Jon Ashburn | 075ce43 | 2015-12-17 17:38:24 -0700 | [diff] [blame] | 91 | #define LOCAL_ELAYERS_INFO |
| 92 | #define LOCAL_ILAYERS_INFO |
James Jones | c28b0a1 | 2015-07-23 17:39:37 -0700 | [diff] [blame] | 93 | #endif |
| 94 | |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 95 | #define DEFAULT_VK_DRIVERS_INFO \ |
| 96 | LOCAL_DRIVERS_INFO \ |
| 97 | "/" SYSCONFDIR VULKAN_ICDCONF_DIR ":" \ |
James Jones | c28b0a1 | 2015-07-23 17:39:37 -0700 | [diff] [blame] | 98 | "/usr/" DATADIR VULKAN_ICDCONF_DIR |
Jamie Madill | 2fcbd15 | 2016-04-27 16:33:23 -0400 | [diff] [blame] | 99 | #define DEFAULT_VK_DRIVERS_PATH "" |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 100 | #define DEFAULT_VK_ELAYERS_INFO \ |
| 101 | LOCAL_ELAYERS_INFO \ |
| 102 | "/" SYSCONFDIR VULKAN_ELAYERCONF_DIR ":" \ |
Jon Ashburn | b682221 | 2016-02-16 15:34:16 -0700 | [diff] [blame] | 103 | "/usr/" DATADIR VULKAN_ELAYERCONF_DIR |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 104 | #define DEFAULT_VK_ILAYERS_INFO \ |
| 105 | LOCAL_ILAYERS_INFO \ |
| 106 | "/" SYSCONFDIR VULKAN_ILAYERCONF_DIR ":" \ |
James Jones | c28b0a1 | 2015-07-23 17:39:37 -0700 | [diff] [blame] | 107 | "/usr/" DATADIR VULKAN_ILAYERCONF_DIR |
Jamie Madill | 2fcbd15 | 2016-04-27 16:33:23 -0400 | [diff] [blame] | 108 | #define DEFAULT_VK_LAYERS_PATH "" |
Jamie Madill | 00c3c91 | 2016-04-06 18:26:46 -0400 | [diff] [blame] | 109 | #if !defined(LAYERS_SOURCE_PATH) |
| 110 | #define LAYERS_SOURCE_PATH NULL |
| 111 | #endif |
Jon Ashburn | 1b95822 | 2015-08-06 11:22:33 -0600 | [diff] [blame] | 112 | #define LAYERS_PATH_ENV "VK_LAYER_PATH" |
Jon Ashburn | b682221 | 2016-02-16 15:34:16 -0700 | [diff] [blame] | 113 | #define HOME_VK_DRIVERS_INFO "/.local/share" VULKAN_ICDCONF_DIR |
| 114 | #define HOME_VK_ELAYERS_INFO "/.local/share" VULKAN_ELAYERCONF_DIR |
| 115 | #define HOME_VK_ILAYERS_INFO "/.local/share" VULKAN_ILAYERCONF_DIR |
Ian Elliott | 457810e | 2015-02-04 11:22:39 -0700 | [diff] [blame] | 116 | |
Ian Elliott | e536946 | 2015-02-12 16:44:56 -0700 | [diff] [blame] | 117 | // C99: |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 118 | #define PRINTF_SIZE_T_SPECIFIER "%zu" |
Tobin Ehlis | b049785 | 2015-02-11 14:24:02 -0700 | [diff] [blame] | 119 | |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 120 | // File IO |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 121 | static inline bool loader_platform_file_exists(const char *path) { |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 122 | if (access(path, F_OK)) |
| 123 | return false; |
| 124 | else |
| 125 | return true; |
| 126 | } |
| 127 | |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 128 | static inline bool loader_platform_is_path_absolute(const char *path) { |
Jon Ashburn | 1531517 | 2015-07-07 15:06:25 -0600 | [diff] [blame] | 129 | if (path[0] == '/') |
| 130 | return true; |
| 131 | else |
| 132 | return false; |
| 133 | } |
| 134 | |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 135 | static inline char *loader_platform_dirname(char *path) { |
Jon Ashburn | 1531517 | 2015-07-07 15:06:25 -0600 | [diff] [blame] | 136 | return dirname(path); |
| 137 | } |
| 138 | |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 139 | // Dynamic Loading of libraries: |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 140 | typedef void *loader_platform_dl_handle; |
| 141 | static inline loader_platform_dl_handle |
| 142 | loader_platform_open_library(const char *libPath) { |
Chia-I Wu | 6a21834 | 2015-02-18 14:39:54 -0700 | [diff] [blame] | 143 | return dlopen(libPath, RTLD_LAZY | RTLD_LOCAL); |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 144 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 145 | static inline const char * |
| 146 | loader_platform_open_library_error(const char *libPath) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 147 | return dlerror(); |
| 148 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 149 | static inline void |
| 150 | loader_platform_close_library(loader_platform_dl_handle library) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 151 | dlclose(library); |
| 152 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 153 | static inline void * |
| 154 | loader_platform_get_proc_address(loader_platform_dl_handle library, |
| 155 | const char *name) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 156 | assert(library); |
| 157 | assert(name); |
| 158 | return dlsym(library, name); |
| 159 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 160 | static inline const char * |
| 161 | loader_platform_get_proc_address_error(const char *name) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 162 | return dlerror(); |
| 163 | } |
| 164 | |
| 165 | // Threads: |
| 166 | typedef pthread_t loader_platform_thread; |
Jon Ashburn | 87d6aa9 | 2015-08-28 15:19:27 -0600 | [diff] [blame] | 167 | #define THREAD_LOCAL_DECL __thread |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 168 | #define LOADER_PLATFORM_THREAD_ONCE_DECLARATION(var) \ |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 169 | pthread_once_t var = PTHREAD_ONCE_INIT; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 170 | #define LOADER_PLATFORM_THREAD_ONCE_DEFINITION(var) pthread_once_t var; |
| 171 | static inline void loader_platform_thread_once(pthread_once_t *ctl, |
| 172 | void (*func)(void)) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 173 | assert(func != NULL); |
| 174 | assert(ctl != NULL); |
Michael Lentine | 695f2c2 | 2015-09-09 12:39:13 -0700 | [diff] [blame] | 175 | pthread_once(ctl, func); |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | // Thread IDs: |
| 179 | typedef pthread_t loader_platform_thread_id; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 180 | static inline loader_platform_thread_id loader_platform_get_thread_id() { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 181 | return pthread_self(); |
| 182 | } |
| 183 | |
| 184 | // Thread mutex: |
| 185 | typedef pthread_mutex_t loader_platform_thread_mutex; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 186 | static inline void |
| 187 | loader_platform_thread_create_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 188 | pthread_mutex_init(pMutex, NULL); |
| 189 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 190 | static inline void |
| 191 | loader_platform_thread_lock_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 192 | pthread_mutex_lock(pMutex); |
| 193 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 194 | static inline void |
| 195 | loader_platform_thread_unlock_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 196 | pthread_mutex_unlock(pMutex); |
| 197 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 198 | static inline void |
| 199 | loader_platform_thread_delete_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 200 | pthread_mutex_destroy(pMutex); |
| 201 | } |
Mike Stroyan | ed238bb | 2015-05-15 08:50:57 -0600 | [diff] [blame] | 202 | typedef pthread_cond_t loader_platform_thread_cond; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 203 | static inline void |
| 204 | loader_platform_thread_init_cond(loader_platform_thread_cond *pCond) { |
Mike Stroyan | ed238bb | 2015-05-15 08:50:57 -0600 | [diff] [blame] | 205 | pthread_cond_init(pCond, NULL); |
| 206 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 207 | static inline void |
| 208 | loader_platform_thread_cond_wait(loader_platform_thread_cond *pCond, |
| 209 | loader_platform_thread_mutex *pMutex) { |
Mike Stroyan | ed238bb | 2015-05-15 08:50:57 -0600 | [diff] [blame] | 210 | pthread_cond_wait(pCond, pMutex); |
| 211 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 212 | static inline void |
| 213 | loader_platform_thread_cond_broadcast(loader_platform_thread_cond *pCond) { |
Mike Stroyan | ed238bb | 2015-05-15 08:50:57 -0600 | [diff] [blame] | 214 | pthread_cond_broadcast(pCond); |
| 215 | } |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 216 | |
Courtney Goeltzenleuchter | 7f5aafc | 2015-07-05 11:28:29 -0600 | [diff] [blame] | 217 | #define loader_stack_alloc(size) alloca(size) |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 218 | |
| 219 | #elif defined(_WIN32) // defined(__linux__) |
| 220 | /* Windows-specific common code: */ |
Tobin Ehlis | 890adf1 | 2015-11-02 15:45:19 -0700 | [diff] [blame] | 221 | // WinBase.h defines CreateSemaphore and synchapi.h defines CreateEvent |
| 222 | // undefine them to avoid conflicts with VkLayerDispatchTable struct members. |
| 223 | #ifdef CreateSemaphore |
| 224 | #undef CreateSemaphore |
| 225 | #endif |
| 226 | #ifdef CreateEvent |
| 227 | #undef CreateEvent |
| 228 | #endif |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 229 | #include <assert.h> |
Tony Barbour | 1d825c7 | 2015-06-18 16:29:32 -0600 | [diff] [blame] | 230 | #include <stdio.h> |
Jon Ashburn | fc1031e | 2015-11-17 15:31:02 -0700 | [diff] [blame] | 231 | #include <string.h> |
Jon Ashburn | ffad94d | 2015-06-30 14:46:22 -0700 | [diff] [blame] | 232 | #include <io.h> |
| 233 | #include <stdbool.h> |
Cody Northrop | 33fa041 | 2015-07-08 16:48:37 -0600 | [diff] [blame] | 234 | #include <shlwapi.h> |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 235 | #ifdef __cplusplus |
| 236 | #include <iostream> |
| 237 | #include <string> |
| 238 | using namespace std; |
| 239 | #endif // __cplusplus |
| 240 | |
Courtney Goeltzenleuchter | d8e229c | 2015-04-08 15:36:08 -0600 | [diff] [blame] | 241 | // VK Library Filenames, Paths, etc.: |
Ian Elliott | 457810e | 2015-02-04 11:22:39 -0700 | [diff] [blame] | 242 | #define PATH_SEPERATOR ';' |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 243 | #define DIRECTORY_SYMBOL '\\' |
Jon Ashburn | ffad94d | 2015-06-30 14:46:22 -0700 | [diff] [blame] | 244 | #define DEFAULT_VK_REGISTRY_HIVE HKEY_LOCAL_MACHINE |
| 245 | #define DEFAULT_VK_DRIVERS_INFO "SOFTWARE\\Khronos\\Vulkan\\Drivers" |
Jamie Madill | 2fcbd15 | 2016-04-27 16:33:23 -0400 | [diff] [blame] | 246 | // TODO: Are these the correct paths |
| 247 | #define DEFAULT_VK_DRIVERS_PATH "" |
Jon Ashburn | 075ce43 | 2015-12-17 17:38:24 -0700 | [diff] [blame] | 248 | #define DEFAULT_VK_ELAYERS_INFO "SOFTWARE\\Khronos\\Vulkan\\ExplicitLayers" |
| 249 | #define DEFAULT_VK_ILAYERS_INFO "SOFTWARE\\Khronos\\Vulkan\\ImplicitLayers" |
Jamie Madill | 00c3c91 | 2016-04-06 18:26:46 -0400 | [diff] [blame] | 250 | #if !defined(DEFAULT_VK_LAYERS_PATH) |
Jamie Madill | 2fcbd15 | 2016-04-27 16:33:23 -0400 | [diff] [blame] | 251 | #define DEFAULT_VK_LAYERS_PATH "" |
Jamie Madill | 00c3c91 | 2016-04-06 18:26:46 -0400 | [diff] [blame] | 252 | #endif |
| 253 | #if !defined(LAYERS_SOURCE_PATH) |
| 254 | #define LAYERS_SOURCE_PATH NULL |
| 255 | #endif |
Jon Ashburn | 1b95822 | 2015-08-06 11:22:33 -0600 | [diff] [blame] | 256 | #define LAYERS_PATH_ENV "VK_LAYER_PATH" |
Jon Ashburn | 8365786 | 2016-02-17 13:18:08 -0700 | [diff] [blame] | 257 | #define HOME_VK_DRIVERS_INFO "" |
| 258 | #define HOME_VK_ELAYERS_INFO "" |
| 259 | #define HOME_VK_ILAYERS_INFO "" |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 260 | #define PRINTF_SIZE_T_SPECIFIER "%Iu" |
Courtney Goeltzenleuchter | 22d8d79 | 2015-10-07 17:03:42 -0600 | [diff] [blame] | 261 | |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 262 | // File IO |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 263 | static bool loader_platform_file_exists(const char *path) { |
Jon Ashburn | ffad94d | 2015-06-30 14:46:22 -0700 | [diff] [blame] | 264 | if ((_access(path, 0)) == -1) |
Jon Ashburn | 2077e38 | 2015-06-29 11:25:34 -0600 | [diff] [blame] | 265 | return false; |
| 266 | else |
| 267 | return true; |
| 268 | } |
| 269 | |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 270 | static bool loader_platform_is_path_absolute(const char *path) { |
Jon Ashburn | 1531517 | 2015-07-07 15:06:25 -0600 | [diff] [blame] | 271 | return !PathIsRelative(path); |
| 272 | } |
| 273 | |
| 274 | // WIN32 runtime doesn't have dirname(). |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 275 | static inline char *loader_platform_dirname(char *path) { |
Jon Ashburn | 1531517 | 2015-07-07 15:06:25 -0600 | [diff] [blame] | 276 | char *current, *next; |
| 277 | |
| 278 | // TODO/TBD: Do we need to deal with the Windows's ":" character? |
| 279 | |
| 280 | for (current = path; *current != '\0'; current = next) { |
| 281 | next = strchr(current, DIRECTORY_SYMBOL); |
| 282 | if (next == NULL) { |
| 283 | if (current != path) |
| 284 | *(current - 1) = '\0'; |
| 285 | return path; |
| 286 | } else { |
| 287 | // Point one character past the DIRECTORY_SYMBOL: |
| 288 | next++; |
| 289 | } |
| 290 | } |
| 291 | return path; |
| 292 | } |
| 293 | |
| 294 | // WIN32 runtime doesn't have basename(). |
| 295 | // Microsoft also doesn't have basename(). Paths are different on Windows, and |
| 296 | // so this is just a temporary solution in order to get us compiling, so that we |
| 297 | // can test some scenarios, and develop the correct solution for Windows. |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 298 | // TODO: Develop a better, permanent solution for Windows, to replace this |
| 299 | // temporary code: |
| 300 | static char *loader_platform_basename(char *pathname) { |
Jon Ashburn | 1531517 | 2015-07-07 15:06:25 -0600 | [diff] [blame] | 301 | char *current, *next; |
| 302 | |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 303 | // TODO/TBD: Do we need to deal with the Windows's ":" character? |
Jon Ashburn | 1531517 | 2015-07-07 15:06:25 -0600 | [diff] [blame] | 304 | |
| 305 | for (current = pathname; *current != '\0'; current = next) { |
| 306 | next = strchr(current, DIRECTORY_SYMBOL); |
| 307 | if (next == NULL) { |
| 308 | // No more DIRECTORY_SYMBOL's so return p: |
| 309 | return current; |
| 310 | } else { |
| 311 | // Point one character past the DIRECTORY_SYMBOL: |
| 312 | next++; |
| 313 | } |
| 314 | } |
| 315 | // We shouldn't get to here, but this makes the compiler happy: |
| 316 | return current; |
| 317 | } |
| 318 | |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 319 | // Dynamic Loading: |
| 320 | typedef HMODULE loader_platform_dl_handle; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 321 | static loader_platform_dl_handle |
| 322 | loader_platform_open_library(const char *libPath) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 323 | return LoadLibrary(libPath); |
| 324 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 325 | static char *loader_platform_open_library_error(const char *libPath) { |
Tobin Ehlis | b2dfb55 | 2016-06-07 06:07:13 -0600 | [diff] [blame] | 326 | static char errorMsg[164]; |
| 327 | snprintf(errorMsg, 163, "Failed to open dynamic library \"%s\"", libPath); |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 328 | return errorMsg; |
| 329 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 330 | static void loader_platform_close_library(loader_platform_dl_handle library) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 331 | FreeLibrary(library); |
| 332 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 333 | static void *loader_platform_get_proc_address(loader_platform_dl_handle library, |
| 334 | const char *name) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 335 | assert(library); |
| 336 | assert(name); |
| 337 | return GetProcAddress(library, name); |
| 338 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 339 | static char *loader_platform_get_proc_address_error(const char *name) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 340 | static char errorMsg[120]; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 341 | snprintf(errorMsg, 119, "Failed to find function \"%s\" in dynamic library", |
| 342 | name); |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 343 | return errorMsg; |
| 344 | } |
| 345 | |
| 346 | // Threads: |
| 347 | typedef HANDLE loader_platform_thread; |
Jon Ashburn | 87d6aa9 | 2015-08-28 15:19:27 -0600 | [diff] [blame] | 348 | #define THREAD_LOCAL_DECL __declspec(thread) |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 349 | #define LOADER_PLATFORM_THREAD_ONCE_DECLARATION(var) \ |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 350 | INIT_ONCE var = INIT_ONCE_STATIC_INIT; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 351 | #define LOADER_PLATFORM_THREAD_ONCE_DEFINITION(var) INIT_ONCE var; |
| 352 | static BOOL CALLBACK |
| 353 | InitFuncWrapper(PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context) { |
Piers Daniell | 4da523a | 2015-02-23 16:23:13 -0700 | [diff] [blame] | 354 | void (*func)(void) = (void (*)(void))Parameter; |
| 355 | func(); |
| 356 | return TRUE; |
| 357 | } |
| 358 | |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 359 | static void loader_platform_thread_once(void *ctl, void (*func)(void)) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 360 | assert(func != NULL); |
| 361 | assert(ctl != NULL); |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 362 | InitOnceExecuteOnce((PINIT_ONCE)ctl, InitFuncWrapper, func, NULL); |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | // Thread IDs: |
| 366 | typedef DWORD loader_platform_thread_id; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 367 | static loader_platform_thread_id loader_platform_get_thread_id() { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 368 | return GetCurrentThreadId(); |
| 369 | } |
| 370 | |
| 371 | // Thread mutex: |
| 372 | typedef CRITICAL_SECTION loader_platform_thread_mutex; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 373 | static void |
| 374 | loader_platform_thread_create_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 375 | InitializeCriticalSection(pMutex); |
| 376 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 377 | static void |
| 378 | loader_platform_thread_lock_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 379 | EnterCriticalSection(pMutex); |
| 380 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 381 | static void |
| 382 | loader_platform_thread_unlock_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 383 | LeaveCriticalSection(pMutex); |
| 384 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 385 | static void |
| 386 | loader_platform_thread_delete_mutex(loader_platform_thread_mutex *pMutex) { |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 387 | DeleteCriticalSection(pMutex); |
| 388 | } |
Mike Stroyan | c3d9833 | 2015-05-15 17:34:51 -0600 | [diff] [blame] | 389 | typedef CONDITION_VARIABLE loader_platform_thread_cond; |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 390 | static void |
| 391 | loader_platform_thread_init_cond(loader_platform_thread_cond *pCond) { |
Mike Stroyan | c3d9833 | 2015-05-15 17:34:51 -0600 | [diff] [blame] | 392 | InitializeConditionVariable(pCond); |
| 393 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 394 | static void |
| 395 | loader_platform_thread_cond_wait(loader_platform_thread_cond *pCond, |
| 396 | loader_platform_thread_mutex *pMutex) { |
Mike Stroyan | c3d9833 | 2015-05-15 17:34:51 -0600 | [diff] [blame] | 397 | SleepConditionVariableCS(pCond, pMutex, INFINITE); |
| 398 | } |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 399 | static void |
| 400 | loader_platform_thread_cond_broadcast(loader_platform_thread_cond *pCond) { |
Mike Stroyan | c3d9833 | 2015-05-15 17:34:51 -0600 | [diff] [blame] | 401 | WakeAllConditionVariable(pCond); |
| 402 | } |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 403 | |
Ian Elliott | 5aa4ea2 | 2015-03-31 15:32:41 -0600 | [diff] [blame] | 404 | // Windows Registry: |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 405 | char *loader_get_registry_string(const HKEY hive, const LPCTSTR sub_key, |
Ian Elliott | 5aa4ea2 | 2015-03-31 15:32:41 -0600 | [diff] [blame] | 406 | const char *value); |
| 407 | |
Jon Ashburn | 3f8c300 | 2015-10-15 13:47:58 -0600 | [diff] [blame] | 408 | #define loader_stack_alloc(size) _alloca(size) |
Ian Elliott | 2d4ab1e | 2015-01-13 17:52:38 -0700 | [diff] [blame] | 409 | #else // defined(_WIN32) |
| 410 | |
| 411 | #error The "loader_platform.h" file must be modified for this OS. |
| 412 | |
| 413 | // NOTE: In order to support another OS, an #elif needs to be added (above the |
| 414 | // "#else // defined(_WIN32)") for that OS, and OS-specific versions of the |
| 415 | // contents of this file must be created. |
| 416 | |
| 417 | // NOTE: Other OS-specific changes are also needed for this OS. Search for |
| 418 | // files with "WIN32" in it, as a quick way to find files that must be changed. |
| 419 | |
| 420 | #endif // defined(_WIN32) |
| 421 | |
jon | 547bbee | 2015-10-29 14:57:03 -0600 | [diff] [blame] | 422 | // returns true if the given string appears to be a relative or absolute |
| 423 | // path, as opposed to a bare filename. |
Jon Ashburn | 23d36b1 | 2016-02-02 17:47:28 -0700 | [diff] [blame] | 424 | static inline bool loader_platform_is_path(const char *path) { |
jon | 547bbee | 2015-10-29 14:57:03 -0600 | [diff] [blame] | 425 | return strchr(path, DIRECTORY_SYMBOL) != NULL; |
| 426 | } |