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1 /*
2  * Copyright © 2021 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include "vk_instance.h"
25 
26 #include "vk_alloc.h"
27 #include "vk_common_entrypoints.h"
28 #include "vk_dispatch_trampolines.h"
29 #include "vk_log.h"
30 #include "vk_util.h"
31 #include "vk_debug_utils.h"
32 
33 #include "compiler/glsl_types.h"
34 
35 #define VERSION_IS_1_0(version) \
36    (VK_API_VERSION_MAJOR(version) == 1 && VK_API_VERSION_MINOR(version) == 0)
37 
38 VkResult
vk_instance_init(struct vk_instance * instance,const struct vk_instance_extension_table * supported_extensions,const struct vk_instance_dispatch_table * dispatch_table,const VkInstanceCreateInfo * pCreateInfo,const VkAllocationCallbacks * alloc)39 vk_instance_init(struct vk_instance *instance,
40                  const struct vk_instance_extension_table *supported_extensions,
41                  const struct vk_instance_dispatch_table *dispatch_table,
42                  const VkInstanceCreateInfo *pCreateInfo,
43                  const VkAllocationCallbacks *alloc)
44 {
45    memset(instance, 0, sizeof(*instance));
46    vk_object_base_init(NULL, &instance->base, VK_OBJECT_TYPE_INSTANCE);
47    instance->alloc = *alloc;
48 
49    /* VK_EXT_debug_utils */
50    /* These messengers will only be used during vkCreateInstance or
51     * vkDestroyInstance calls.  We do this first so that it's safe to use
52     * vk_errorf and friends.
53     */
54    list_inithead(&instance->debug_utils.instance_callbacks);
55    vk_foreach_struct_const(ext, pCreateInfo->pNext) {
56       if (ext->sType ==
57           VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT) {
58          const VkDebugUtilsMessengerCreateInfoEXT *debugMessengerCreateInfo =
59             (const VkDebugUtilsMessengerCreateInfoEXT *)ext;
60          struct vk_debug_utils_messenger *messenger =
61             vk_alloc2(alloc, alloc, sizeof(struct vk_debug_utils_messenger), 8,
62                       VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
63 
64          if (!messenger)
65             return vk_error(instance, VK_ERROR_OUT_OF_HOST_MEMORY);
66 
67          vk_object_base_init(NULL, &messenger->base,
68                              VK_OBJECT_TYPE_DEBUG_UTILS_MESSENGER_EXT);
69 
70          messenger->alloc = *alloc;
71          messenger->severity = debugMessengerCreateInfo->messageSeverity;
72          messenger->type = debugMessengerCreateInfo->messageType;
73          messenger->callback = debugMessengerCreateInfo->pfnUserCallback;
74          messenger->data = debugMessengerCreateInfo->pUserData;
75 
76          list_addtail(&messenger->link,
77                       &instance->debug_utils.instance_callbacks);
78       }
79    }
80 
81    uint32_t instance_version = VK_API_VERSION_1_0;
82    if (dispatch_table->EnumerateInstanceVersion)
83       dispatch_table->EnumerateInstanceVersion(&instance_version);
84 
85    instance->app_info = (struct vk_app_info) { .api_version = 0 };
86    if (pCreateInfo->pApplicationInfo) {
87       const VkApplicationInfo *app = pCreateInfo->pApplicationInfo;
88 
89       instance->app_info.app_name =
90          vk_strdup(&instance->alloc, app->pApplicationName,
91                    VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
92       instance->app_info.app_version = app->applicationVersion;
93 
94       instance->app_info.engine_name =
95          vk_strdup(&instance->alloc, app->pEngineName,
96                    VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
97       instance->app_info.engine_version = app->engineVersion;
98 
99       instance->app_info.api_version = app->apiVersion;
100    }
101 
102    /* From the Vulkan 1.2.199 spec:
103     *
104     *    "Note:
105     *
106     *    Providing a NULL VkInstanceCreateInfo::pApplicationInfo or providing
107     *    an apiVersion of 0 is equivalent to providing an apiVersion of
108     *    VK_MAKE_API_VERSION(0,1,0,0)."
109     */
110    if (instance->app_info.api_version == 0)
111       instance->app_info.api_version = VK_API_VERSION_1_0;
112 
113    /* From the Vulkan 1.2.199 spec:
114     *
115     *    VUID-VkApplicationInfo-apiVersion-04010
116     *
117     *    "If apiVersion is not 0, then it must be greater than or equal to
118     *    VK_API_VERSION_1_0"
119     */
120    assert(instance->app_info.api_version >= VK_API_VERSION_1_0);
121 
122    /* From the Vulkan 1.2.199 spec:
123     *
124     *    "Vulkan 1.0 implementations were required to return
125     *    VK_ERROR_INCOMPATIBLE_DRIVER if apiVersion was larger than 1.0.
126     *    Implementations that support Vulkan 1.1 or later must not return
127     *    VK_ERROR_INCOMPATIBLE_DRIVER for any value of apiVersion."
128     */
129    if (VERSION_IS_1_0(instance_version) &&
130        !VERSION_IS_1_0(instance->app_info.api_version))
131       return VK_ERROR_INCOMPATIBLE_DRIVER;
132 
133    for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
134       int idx;
135       for (idx = 0; idx < VK_INSTANCE_EXTENSION_COUNT; idx++) {
136          if (strcmp(pCreateInfo->ppEnabledExtensionNames[i],
137                     vk_instance_extensions[idx].extensionName) == 0)
138             break;
139       }
140 
141       if (idx >= VK_INSTANCE_EXTENSION_COUNT)
142          return vk_errorf(instance, VK_ERROR_EXTENSION_NOT_PRESENT,
143                           "%s not supported",
144                           pCreateInfo->ppEnabledExtensionNames[i]);
145 
146       if (!supported_extensions->extensions[idx])
147          return vk_errorf(instance, VK_ERROR_EXTENSION_NOT_PRESENT,
148                           "%s not supported",
149                           pCreateInfo->ppEnabledExtensionNames[i]);
150 
151 #ifdef ANDROID
152       if (!vk_android_allowed_instance_extensions.extensions[idx])
153          return vk_errorf(instance, VK_ERROR_EXTENSION_NOT_PRESENT,
154                           "%s not supported",
155                           pCreateInfo->ppEnabledExtensionNames[i]);
156 #endif
157 
158       instance->enabled_extensions.extensions[idx] = true;
159    }
160 
161    instance->dispatch_table = *dispatch_table;
162 
163    /* Add common entrypoints without overwriting driver-provided ones. */
164    vk_instance_dispatch_table_from_entrypoints(
165       &instance->dispatch_table, &vk_common_instance_entrypoints, false);
166 
167    if (mtx_init(&instance->debug_report.callbacks_mutex, mtx_plain) != 0)
168       return vk_error(instance, VK_ERROR_INITIALIZATION_FAILED);
169 
170    list_inithead(&instance->debug_report.callbacks);
171 
172    if (mtx_init(&instance->debug_utils.callbacks_mutex, mtx_plain) != 0) {
173       mtx_destroy(&instance->debug_report.callbacks_mutex);
174       return vk_error(instance, VK_ERROR_INITIALIZATION_FAILED);
175    }
176 
177    list_inithead(&instance->debug_utils.callbacks);
178 
179    glsl_type_singleton_init_or_ref();
180 
181    return VK_SUCCESS;
182 }
183 
184 void
vk_instance_finish(struct vk_instance * instance)185 vk_instance_finish(struct vk_instance *instance)
186 {
187    glsl_type_singleton_decref();
188    if (unlikely(!list_is_empty(&instance->debug_utils.callbacks))) {
189       list_for_each_entry_safe(struct vk_debug_utils_messenger, messenger,
190                                &instance->debug_utils.callbacks, link) {
191          list_del(&messenger->link);
192          vk_object_base_finish(&messenger->base);
193          vk_free2(&instance->alloc, &messenger->alloc, messenger);
194       }
195    }
196    if (unlikely(!list_is_empty(&instance->debug_utils.instance_callbacks))) {
197       list_for_each_entry_safe(struct vk_debug_utils_messenger, messenger,
198                                &instance->debug_utils.instance_callbacks,
199                                link) {
200          list_del(&messenger->link);
201          vk_object_base_finish(&messenger->base);
202          vk_free2(&instance->alloc, &messenger->alloc, messenger);
203       }
204    }
205    mtx_destroy(&instance->debug_report.callbacks_mutex);
206    mtx_destroy(&instance->debug_utils.callbacks_mutex);
207    vk_free(&instance->alloc, (char *)instance->app_info.app_name);
208    vk_free(&instance->alloc, (char *)instance->app_info.engine_name);
209    vk_object_base_finish(&instance->base);
210 }
211 
212 VkResult
vk_enumerate_instance_extension_properties(const struct vk_instance_extension_table * supported_extensions,uint32_t * pPropertyCount,VkExtensionProperties * pProperties)213 vk_enumerate_instance_extension_properties(
214     const struct vk_instance_extension_table *supported_extensions,
215     uint32_t *pPropertyCount,
216     VkExtensionProperties *pProperties)
217 {
218    VK_OUTARRAY_MAKE_TYPED(VkExtensionProperties, out, pProperties, pPropertyCount);
219 
220    for (int i = 0; i < VK_INSTANCE_EXTENSION_COUNT; i++) {
221       if (!supported_extensions->extensions[i])
222          continue;
223 
224 #ifdef ANDROID
225       if (!vk_android_allowed_instance_extensions.extensions[i])
226          continue;
227 #endif
228 
229       vk_outarray_append_typed(VkExtensionProperties, &out, prop) {
230          *prop = vk_instance_extensions[i];
231       }
232    }
233 
234    return vk_outarray_status(&out);
235 }
236 
237 PFN_vkVoidFunction
vk_instance_get_proc_addr(const struct vk_instance * instance,const struct vk_instance_entrypoint_table * entrypoints,const char * name)238 vk_instance_get_proc_addr(const struct vk_instance *instance,
239                           const struct vk_instance_entrypoint_table *entrypoints,
240                           const char *name)
241 {
242    PFN_vkVoidFunction func;
243 
244    /* The Vulkan 1.0 spec for vkGetInstanceProcAddr has a table of exactly
245     * when we have to return valid function pointers, NULL, or it's left
246     * undefined.  See the table for exact details.
247     */
248    if (name == NULL)
249       return NULL;
250 
251 #define LOOKUP_VK_ENTRYPOINT(entrypoint) \
252    if (strcmp(name, "vk" #entrypoint) == 0) \
253       return (PFN_vkVoidFunction)entrypoints->entrypoint
254 
255    LOOKUP_VK_ENTRYPOINT(EnumerateInstanceExtensionProperties);
256    LOOKUP_VK_ENTRYPOINT(EnumerateInstanceLayerProperties);
257    LOOKUP_VK_ENTRYPOINT(EnumerateInstanceVersion);
258    LOOKUP_VK_ENTRYPOINT(CreateInstance);
259 
260    /* GetInstanceProcAddr() can also be called with a NULL instance.
261     * See https://gitlab.khronos.org/vulkan/vulkan/issues/2057
262     */
263    LOOKUP_VK_ENTRYPOINT(GetInstanceProcAddr);
264 
265 #undef LOOKUP_VK_ENTRYPOINT
266 
267    if (instance == NULL)
268       return NULL;
269 
270    func = vk_instance_dispatch_table_get_if_supported(&instance->dispatch_table,
271                                                       name,
272                                                       instance->app_info.api_version,
273                                                       &instance->enabled_extensions);
274    if (func != NULL)
275       return func;
276 
277    func = vk_physical_device_dispatch_table_get_if_supported(&vk_physical_device_trampolines,
278                                                              name,
279                                                              instance->app_info.api_version,
280                                                              &instance->enabled_extensions);
281    if (func != NULL)
282       return func;
283 
284    func = vk_device_dispatch_table_get_if_supported(&vk_device_trampolines,
285                                                     name,
286                                                     instance->app_info.api_version,
287                                                     &instance->enabled_extensions,
288                                                     NULL);
289    if (func != NULL)
290       return func;
291 
292    return NULL;
293 }
294 
295 PFN_vkVoidFunction
vk_instance_get_proc_addr_unchecked(const struct vk_instance * instance,const char * name)296 vk_instance_get_proc_addr_unchecked(const struct vk_instance *instance,
297                                     const char *name)
298 {
299    PFN_vkVoidFunction func;
300 
301    if (instance == NULL || name == NULL)
302       return NULL;
303 
304    func = vk_instance_dispatch_table_get(&instance->dispatch_table, name);
305    if (func != NULL)
306       return func;
307 
308    func = vk_physical_device_dispatch_table_get(
309       &vk_physical_device_trampolines, name);
310    if (func != NULL)
311       return func;
312 
313    func = vk_device_dispatch_table_get(&vk_device_trampolines, name);
314    if (func != NULL)
315       return func;
316 
317    return NULL;
318 }
319 
320 PFN_vkVoidFunction
vk_instance_get_physical_device_proc_addr(const struct vk_instance * instance,const char * name)321 vk_instance_get_physical_device_proc_addr(const struct vk_instance *instance,
322                                           const char *name)
323 {
324    if (instance == NULL || name == NULL)
325       return NULL;
326 
327    return vk_physical_device_dispatch_table_get_if_supported(&vk_physical_device_trampolines,
328                                                              name,
329                                                              instance->app_info.api_version,
330                                                              &instance->enabled_extensions);
331 }
332