winecrt0: Call __wine_unix_call through an explicit pointer in the helper macro.
[wine.git] / dlls / winevulkan / loader.c
blobf168e824ae89cac517c61e3c78e3bccb143eed44
1 /* Wine Vulkan ICD implementation
3 * Copyright 2017 Roderick Colenbrander
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include <stdlib.h>
21 #include "vulkan_loader.h"
22 #include "winreg.h"
23 #include "ntuser.h"
24 #include "initguid.h"
25 #include "devguid.h"
26 #include "setupapi.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(vulkan);
30 /* For now default to 4 as it felt like a reasonable version feature wise to support.
31 * Version 5 adds more extensive version checks. Something to tackle later.
33 #define WINE_VULKAN_ICD_VERSION 4
35 DEFINE_DEVPROPKEY(DEVPROPKEY_GPU_LUID, 0x60b193cb, 0x5276, 0x4d0f, 0x96, 0xfc, 0xf1, 0x73, 0xab, 0xad, 0x3e, 0xc6, 2);
36 DEFINE_DEVPROPKEY(WINE_DEVPROPKEY_GPU_VULKAN_UUID, 0x233a9ef3, 0xafc4, 0x4abd, 0xb5, 0x64, 0xc3, 0x2f, 0x21, 0xf1, 0x53, 0x5c, 2);
38 NTSTATUS (WINAPI *p_vk_direct_unix_call)(unixlib_handle_t handle, unsigned int code, void *args) = NULL;
40 static HINSTANCE hinstance;
42 static void *wine_vk_get_global_proc_addr(const char *name);
44 #define wine_vk_find_struct(s, t) wine_vk_find_struct_((void *)s, VK_STRUCTURE_TYPE_##t)
45 static void *wine_vk_find_struct_(void *s, VkStructureType t)
47 VkBaseOutStructure *header;
49 for (header = s; header; header = header->pNext)
51 if (header->sType == t)
52 return header;
55 return NULL;
58 VkResult WINAPI vkEnumerateInstanceLayerProperties(uint32_t *count, VkLayerProperties *properties)
60 TRACE("%p, %p\n", count, properties);
62 *count = 0;
63 return VK_SUCCESS;
66 static const struct vulkan_func vk_global_dispatch_table[] =
68 /* These functions must call wine_vk_init_once() before accessing vk_funcs. */
69 {"vkCreateInstance", &vkCreateInstance},
70 {"vkEnumerateInstanceExtensionProperties", &vkEnumerateInstanceExtensionProperties},
71 {"vkEnumerateInstanceLayerProperties", &vkEnumerateInstanceLayerProperties},
72 {"vkEnumerateInstanceVersion", &vkEnumerateInstanceVersion},
73 {"vkGetInstanceProcAddr", &vkGetInstanceProcAddr},
76 static void *wine_vk_get_global_proc_addr(const char *name)
78 unsigned int i;
80 for (i = 0; i < ARRAY_SIZE(vk_global_dispatch_table); i++)
82 if (strcmp(name, vk_global_dispatch_table[i].name) == 0)
84 TRACE("Found name=%s in global table\n", debugstr_a(name));
85 return vk_global_dispatch_table[i].func;
88 return NULL;
91 static BOOL is_available_instance_function(VkInstance instance, const char *name)
93 struct is_available_instance_function_params params = { .instance = instance, .name = name };
94 return vk_unix_call(unix_is_available_instance_function, &params);
97 static BOOL is_available_device_function(VkDevice device, const char *name)
99 struct is_available_device_function_params params = { .device = device, .name = name };
100 return vk_unix_call(unix_is_available_device_function, &params);
103 static void *alloc_vk_object(size_t size)
105 struct wine_vk_base *object = calloc(1, size);
106 object->loader_magic = VULKAN_ICD_MAGIC_VALUE;
107 return object;
110 PFN_vkVoidFunction WINAPI vkGetInstanceProcAddr(VkInstance instance, const char *name)
112 void *func;
114 TRACE("%p, %s\n", instance, debugstr_a(name));
116 if (!name)
117 return NULL;
119 /* vkGetInstanceProcAddr can load most Vulkan functions when an instance is passed in, however
120 * for a NULL instance it can only load global functions.
122 func = wine_vk_get_global_proc_addr(name);
123 if (func)
125 return func;
127 if (!instance)
129 WARN("Global function %s not found.\n", debugstr_a(name));
130 return NULL;
133 if (!is_available_instance_function(instance, name))
134 return NULL;
136 func = wine_vk_get_instance_proc_addr(name);
137 if (func) return func;
139 func = wine_vk_get_phys_dev_proc_addr(name);
140 if (func) return func;
142 /* vkGetInstanceProcAddr also loads any children of instance, so device functions as well. */
143 func = wine_vk_get_device_proc_addr(name);
144 if (func) return func;
146 WARN("Unsupported device or instance function: %s.\n", debugstr_a(name));
147 return NULL;
150 PFN_vkVoidFunction WINAPI vkGetDeviceProcAddr(VkDevice device, const char *name)
152 void *func;
153 TRACE("%p, %s\n", device, debugstr_a(name));
155 /* The spec leaves return value undefined for a NULL device, let's just return NULL. */
156 if (!device || !name)
157 return NULL;
159 /* Per the spec, we are only supposed to return device functions as in functions
160 * for which the first parameter is vkDevice or a child of vkDevice like a
161 * vkCommandBuffer or vkQueue.
162 * Loader takes care of filtering of extensions which are enabled or not.
164 if (is_available_device_function(device, name))
166 func = wine_vk_get_device_proc_addr(name);
167 if (func)
168 return func;
171 /* vkGetDeviceProcAddr was intended for loading device and subdevice functions.
172 * idTech 6 titles such as Doom and Wolfenstein II, however use it also for
173 * loading of instance functions. This is undefined behavior as the specification
174 * disallows using any of the returned function pointers outside of device /
175 * subdevice objects. The games don't actually use the function pointers and if they
176 * did, they would crash as VkInstance / VkPhysicalDevice parameters need unwrapping.
177 * Khronos clarified behavior in the Vulkan spec and expects drivers to get updated,
178 * however it would require both driver and game fixes.
179 * https://github.com/KhronosGroup/Vulkan-LoaderAndValidationLayers/issues/2323
180 * https://github.com/KhronosGroup/Vulkan-Docs/issues/655
182 if ((device->quirks & WINEVULKAN_QUIRK_GET_DEVICE_PROC_ADDR)
183 && ((func = wine_vk_get_instance_proc_addr(name))
184 || (func = wine_vk_get_phys_dev_proc_addr(name))))
186 WARN("Returning instance function %s.\n", debugstr_a(name));
187 return func;
190 WARN("Unsupported device function: %s.\n", debugstr_a(name));
191 return NULL;
194 void * WINAPI vk_icdGetPhysicalDeviceProcAddr(VkInstance instance, const char *name)
196 TRACE("%p, %s\n", instance, debugstr_a(name));
198 if (!is_available_instance_function(instance, name))
199 return NULL;
201 return wine_vk_get_phys_dev_proc_addr(name);
204 void * WINAPI vk_icdGetInstanceProcAddr(VkInstance instance, const char *name)
206 TRACE("%p, %s\n", instance, debugstr_a(name));
208 /* Initial version of the Vulkan ICD spec required vkGetInstanceProcAddr to be
209 * exported. vk_icdGetInstanceProcAddr was added later to separate ICD calls from
210 * Vulkan API. One of them in our case should forward to the other, so just forward
211 * to the older vkGetInstanceProcAddr.
213 return vkGetInstanceProcAddr(instance, name);
216 VkResult WINAPI vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t *supported_version)
218 uint32_t req_version;
220 TRACE("%p\n", supported_version);
222 /* The spec is not clear how to handle this. Mesa drivers don't check, but it
223 * is probably best to not explode. VK_INCOMPLETE seems to be the closest value.
225 if (!supported_version)
226 return VK_INCOMPLETE;
228 req_version = *supported_version;
229 *supported_version = min(req_version, WINE_VULKAN_ICD_VERSION);
230 TRACE("Loader requested ICD version %u, returning %u\n", req_version, *supported_version);
232 return VK_SUCCESS;
235 static BOOL WINAPI wine_vk_init(INIT_ONCE *once, void *param, void **context)
237 NTSTATUS status = __wine_init_unix_call();
239 p_vk_direct_unix_call = __wine_unix_call_ptr;
240 if (status) return FALSE;
241 return !vk_unix_call(unix_init, &p_vk_direct_unix_call);
244 static BOOL wine_vk_init_once(void)
246 static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
248 return InitOnceExecuteOnce(&init_once, wine_vk_init, NULL, NULL);
251 VkResult WINAPI vkCreateInstance(const VkInstanceCreateInfo *create_info,
252 const VkAllocationCallbacks *allocator, VkInstance *ret)
254 struct vkCreateInstance_params params;
255 struct VkInstance_T *instance;
256 uint32_t phys_dev_count = 8, i;
257 NTSTATUS status;
259 TRACE("create_info %p, allocator %p, instance %p\n", create_info, allocator, ret);
261 if (!wine_vk_init_once())
262 return VK_ERROR_INITIALIZATION_FAILED;
264 for (;;)
266 if (!(instance = alloc_vk_object(FIELD_OFFSET(struct VkInstance_T, phys_devs[phys_dev_count]))))
267 return VK_ERROR_OUT_OF_HOST_MEMORY;
268 instance->phys_dev_count = phys_dev_count;
269 for (i = 0; i < phys_dev_count; i++)
270 instance->phys_devs[i].base.loader_magic = VULKAN_ICD_MAGIC_VALUE;
272 params.pCreateInfo = create_info;
273 params.pAllocator = allocator;
274 params.pInstance = ret;
275 params.client_ptr = instance;
276 status = vk_unix_call(unix_vkCreateInstance, &params);
277 assert(!status);
278 if (instance->phys_dev_count <= phys_dev_count)
279 break;
280 phys_dev_count = instance->phys_dev_count;
281 free(instance);
284 if (!instance->base.unix_handle)
285 free(instance);
286 return params.result;
289 void WINAPI vkDestroyInstance(VkInstance instance, const VkAllocationCallbacks *pAllocator)
291 struct vkDestroyInstance_params params;
292 NTSTATUS status;
294 params.instance = instance;
295 params.pAllocator = pAllocator;
296 status = vk_unix_call(unix_vkDestroyInstance, &params);
297 assert(!status);
298 free(instance);
301 VkResult WINAPI vkEnumerateInstanceExtensionProperties(const char *layer_name,
302 uint32_t *count, VkExtensionProperties *properties)
304 struct vkEnumerateInstanceExtensionProperties_params params;
305 NTSTATUS status;
307 TRACE("%p, %p, %p\n", layer_name, count, properties);
309 if (layer_name)
311 WARN("Layer enumeration not supported from ICD.\n");
312 return VK_ERROR_LAYER_NOT_PRESENT;
315 if (!wine_vk_init_once())
317 *count = 0;
318 return VK_SUCCESS;
321 params.pLayerName = layer_name;
322 params.pPropertyCount = count;
323 params.pProperties = properties;
324 status = vk_unix_call(unix_vkEnumerateInstanceExtensionProperties, &params);
325 assert(!status);
326 return params.result;
329 VkResult WINAPI vkEnumerateInstanceVersion(uint32_t *version)
331 struct vkEnumerateInstanceVersion_params params;
332 NTSTATUS status;
334 TRACE("%p\n", version);
336 if (!wine_vk_init_once())
338 *version = VK_API_VERSION_1_0;
339 return VK_SUCCESS;
342 params.pApiVersion = version;
343 status = vk_unix_call(unix_vkEnumerateInstanceVersion, &params);
344 assert(!status);
345 return params.result;
348 static HANDLE get_display_device_init_mutex(void)
350 HANDLE mutex = CreateMutexW(NULL, FALSE, L"display_device_init");
352 WaitForSingleObject(mutex, INFINITE);
353 return mutex;
356 static void release_display_device_init_mutex(HANDLE mutex)
358 ReleaseMutex(mutex);
359 CloseHandle(mutex);
362 /* Wait until graphics driver is loaded by explorer */
363 static void wait_graphics_driver_ready(void)
365 static BOOL ready = FALSE;
367 if (!ready)
369 SendMessageW(GetDesktopWindow(), WM_NULL, 0, 0);
370 ready = TRUE;
374 static void fill_luid_property(VkPhysicalDeviceProperties2 *properties2)
376 VkPhysicalDeviceVulkan11Properties *vk11;
377 VkBool32 device_luid_valid = VK_FALSE;
378 VkPhysicalDeviceIDProperties *id;
379 uint32_t device_node_mask = 0;
380 SP_DEVINFO_DATA device_data;
381 const uint8_t* device_uuid;
382 DWORD type, device_idx = 0;
383 HDEVINFO devinfo;
384 HANDLE mutex;
385 GUID uuid;
386 LUID luid;
388 vk11 = wine_vk_find_struct(properties2, PHYSICAL_DEVICE_VULKAN_1_1_PROPERTIES);
389 id = wine_vk_find_struct(properties2, PHYSICAL_DEVICE_ID_PROPERTIES);
391 if (!vk11 && !id)
392 return;
394 wait_graphics_driver_ready();
395 mutex = get_display_device_init_mutex();
396 devinfo = SetupDiGetClassDevsW(&GUID_DEVCLASS_DISPLAY, L"PCI", NULL, 0);
397 device_data.cbSize = sizeof(device_data);
398 while (SetupDiEnumDeviceInfo(devinfo, device_idx++, &device_data))
400 if (!SetupDiGetDevicePropertyW(devinfo, &device_data, &WINE_DEVPROPKEY_GPU_VULKAN_UUID,
401 &type, (BYTE *)&uuid, sizeof(uuid), NULL, 0))
402 continue;
404 device_uuid = id ? id->deviceUUID : vk11->deviceUUID;
406 if (!IsEqualGUID(&uuid, device_uuid))
407 continue;
409 if (SetupDiGetDevicePropertyW(devinfo, &device_data, &DEVPROPKEY_GPU_LUID, &type,
410 (BYTE *)&luid, sizeof(luid), NULL, 0))
412 device_luid_valid = VK_TRUE;
413 device_node_mask = 1;
414 break;
417 SetupDiDestroyDeviceInfoList(devinfo);
418 release_display_device_init_mutex(mutex);
420 if (id)
422 if (device_luid_valid) memcpy(&id->deviceLUID, &luid, sizeof(id->deviceLUID));
423 id->deviceLUIDValid = device_luid_valid;
424 id->deviceNodeMask = device_node_mask;
427 if (vk11)
429 if (device_luid_valid) memcpy(&vk11->deviceLUID, &luid, sizeof(vk11->deviceLUID));
430 vk11->deviceLUIDValid = device_luid_valid;
431 vk11->deviceNodeMask = device_node_mask;
434 TRACE("deviceName:%s deviceLUIDValid:%d LUID:%08lx:%08lx deviceNodeMask:%#x.\n",
435 properties2->properties.deviceName, device_luid_valid, luid.HighPart, luid.LowPart,
436 device_node_mask);
439 void WINAPI vkGetPhysicalDeviceProperties2(VkPhysicalDevice phys_dev,
440 VkPhysicalDeviceProperties2 *properties2)
442 struct vkGetPhysicalDeviceProperties2_params params;
443 NTSTATUS status;
445 TRACE("%p, %p\n", phys_dev, properties2);
447 params.physicalDevice = phys_dev;
448 params.pProperties = properties2;
449 status = vk_unix_call(unix_vkGetPhysicalDeviceProperties2, &params);
450 assert(!status);
451 fill_luid_property(properties2);
454 void WINAPI vkGetPhysicalDeviceProperties2KHR(VkPhysicalDevice phys_dev,
455 VkPhysicalDeviceProperties2 *properties2)
457 struct vkGetPhysicalDeviceProperties2KHR_params params;
458 NTSTATUS status;
460 TRACE("%p, %p\n", phys_dev, properties2);
462 params.physicalDevice = phys_dev;
463 params.pProperties = properties2;
464 status = vk_unix_call(unix_vkGetPhysicalDeviceProperties2KHR, &params);
465 assert(!status);
466 fill_luid_property(properties2);
469 VkResult WINAPI vkCreateDevice(VkPhysicalDevice phys_dev, const VkDeviceCreateInfo *create_info,
470 const VkAllocationCallbacks *allocator, VkDevice *ret)
472 struct vkCreateDevice_params params;
473 uint32_t queue_count = 0, i;
474 VkDevice device;
475 NTSTATUS status;
477 for (i = 0; i < create_info->queueCreateInfoCount; i++)
478 queue_count += create_info->pQueueCreateInfos[i].queueCount;
479 if (!(device = alloc_vk_object(FIELD_OFFSET(struct VkDevice_T, queues[queue_count]))))
480 return VK_ERROR_OUT_OF_HOST_MEMORY;
481 for (i = 0; i < queue_count; i++)
482 device->queues[i].base.loader_magic = VULKAN_ICD_MAGIC_VALUE;
484 params.physicalDevice = phys_dev;
485 params.pCreateInfo = create_info;
486 params.pAllocator = allocator;
487 params.pDevice = ret;
488 params.client_ptr = device;
489 status = vk_unix_call(unix_vkCreateDevice, &params);
490 assert(!status);
491 if (!device->base.unix_handle)
492 free(device);
493 return params.result;
496 void WINAPI vkDestroyDevice(VkDevice device, const VkAllocationCallbacks *allocator)
498 struct vkDestroyDevice_params params;
499 NTSTATUS status;
501 params.device = device;
502 params.pAllocator = allocator;
503 status = vk_unix_call(unix_vkDestroyDevice, &params);
504 assert(!status);
505 free(device);
508 VkResult WINAPI vkCreateCommandPool(VkDevice device, const VkCommandPoolCreateInfo *create_info,
509 const VkAllocationCallbacks *allocator, VkCommandPool *ret)
511 struct vkCreateCommandPool_params params;
512 struct vk_command_pool *cmd_pool;
513 NTSTATUS status;
515 if (!(cmd_pool = malloc(sizeof(*cmd_pool))))
516 return VK_ERROR_OUT_OF_HOST_MEMORY;
517 cmd_pool->unix_handle = 0;
518 list_init(&cmd_pool->command_buffers);
520 params.device = device;
521 params.pCreateInfo = create_info;
522 params.pAllocator = allocator;
523 params.pCommandPool = ret;
524 params.client_ptr = cmd_pool;
525 status = vk_unix_call(unix_vkCreateCommandPool, &params);
526 assert(!status);
527 if (!cmd_pool->unix_handle)
528 free(cmd_pool);
529 return params.result;
532 void WINAPI vkDestroyCommandPool(VkDevice device, VkCommandPool handle, const VkAllocationCallbacks *allocator)
534 struct vk_command_pool *cmd_pool = command_pool_from_handle(handle);
535 struct vkDestroyCommandPool_params params;
536 VkCommandBuffer buffer, cursor;
537 NTSTATUS status;
539 if (!cmd_pool)
540 return;
542 /* The Vulkan spec says:
544 * "When a pool is destroyed, all command buffers allocated from the pool are freed."
546 LIST_FOR_EACH_ENTRY_SAFE(buffer, cursor, &cmd_pool->command_buffers, struct VkCommandBuffer_T, pool_link)
548 vkFreeCommandBuffers(device, handle, 1, &buffer);
551 params.device = device;
552 params.commandPool = handle;
553 params.pAllocator = allocator;
554 status = vk_unix_call(unix_vkDestroyCommandPool, &params);
555 assert(!status);
556 free(cmd_pool);
559 VkResult WINAPI vkAllocateCommandBuffers(VkDevice device, const VkCommandBufferAllocateInfo *allocate_info,
560 VkCommandBuffer *buffers)
562 struct vk_command_pool *pool = command_pool_from_handle(allocate_info->commandPool);
563 struct vkAllocateCommandBuffers_params params;
564 NTSTATUS status;
565 uint32_t i;
567 for (i = 0; i < allocate_info->commandBufferCount; i++)
568 buffers[i] = alloc_vk_object(sizeof(*buffers[i]));
570 params.device = device;
571 params.pAllocateInfo = allocate_info;
572 params.pCommandBuffers = buffers;
573 status = vk_unix_call(unix_vkAllocateCommandBuffers, &params);
574 assert(!status);
575 if (params.result == VK_SUCCESS)
577 for (i = 0; i < allocate_info->commandBufferCount; i++)
578 list_add_tail(&pool->command_buffers, &buffers[i]->pool_link);
580 else
582 for (i = 0; i < allocate_info->commandBufferCount; i++)
584 free(buffers[i]);
585 buffers[i] = NULL;
588 return params.result;
591 void WINAPI vkFreeCommandBuffers(VkDevice device, VkCommandPool cmd_pool, uint32_t count,
592 const VkCommandBuffer *buffers)
594 struct vkFreeCommandBuffers_params params;
595 NTSTATUS status;
596 uint32_t i;
598 params.device = device;
599 params.commandPool = cmd_pool;
600 params.commandBufferCount = count;
601 params.pCommandBuffers = buffers;
602 status = vk_unix_call(unix_vkFreeCommandBuffers, &params);
603 assert(!status);
604 for (i = 0; i < count; i++)
606 list_remove(&buffers[i]->pool_link);
607 free(buffers[i]);
611 static BOOL WINAPI call_vulkan_debug_report_callback( struct wine_vk_debug_report_params *params, ULONG size )
613 return params->user_callback(params->flags, params->object_type, params->object_handle, params->location,
614 params->code, params->layer_prefix, params->message, params->user_data);
617 static BOOL WINAPI call_vulkan_debug_utils_callback( struct wine_vk_debug_utils_params *params, ULONG size )
619 return params->user_callback(params->severity, params->message_types, &params->data, params->user_data);
622 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, void *reserved)
624 void **kernel_callback_table;
626 TRACE("%p, %lu, %p\n", hinst, reason, reserved);
628 switch (reason)
630 case DLL_PROCESS_ATTACH:
631 hinstance = hinst;
632 DisableThreadLibraryCalls(hinst);
634 kernel_callback_table = NtCurrentTeb()->Peb->KernelCallbackTable;
635 kernel_callback_table[NtUserCallVulkanDebugReportCallback] = call_vulkan_debug_report_callback;
636 kernel_callback_table[NtUserCallVulkanDebugUtilsCallback] = call_vulkan_debug_utils_callback;
637 break;
639 return TRUE;
642 static const WCHAR winevulkan_json_pathW[] = L"\\winevulkan.json";
643 static const WCHAR vulkan_driversW[] = L"Software\\Khronos\\Vulkan\\Drivers";
645 HRESULT WINAPI DllRegisterServer(void)
647 WCHAR json_path[MAX_PATH];
648 HRSRC rsrc;
649 const char *data;
650 DWORD datalen, written, zero = 0;
651 HANDLE file;
652 HKEY key;
654 /* Create the JSON manifest and registry key to register this ICD with the official Vulkan loader. */
655 TRACE("\n");
656 rsrc = FindResourceW(hinstance, L"winevulkan_json", (const WCHAR *)RT_RCDATA);
657 data = LockResource(LoadResource(hinstance, rsrc));
658 datalen = SizeofResource(hinstance, rsrc);
660 GetSystemDirectoryW(json_path, ARRAY_SIZE(json_path));
661 lstrcatW(json_path, winevulkan_json_pathW);
662 file = CreateFileW(json_path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
663 if (file == INVALID_HANDLE_VALUE)
665 ERR("Unable to create JSON manifest.\n");
666 return E_UNEXPECTED;
668 WriteFile(file, data, datalen, &written, NULL);
669 CloseHandle(file);
671 if (!RegCreateKeyExW(HKEY_LOCAL_MACHINE, vulkan_driversW, 0, NULL, 0, KEY_SET_VALUE, NULL, &key, NULL))
673 RegSetValueExW(key, json_path, 0, REG_DWORD, (const BYTE *)&zero, sizeof(zero));
674 RegCloseKey(key);
676 return S_OK;
679 HRESULT WINAPI DllUnregisterServer(void)
681 WCHAR json_path[MAX_PATH];
682 HKEY key;
684 /* Remove the JSON manifest and registry key */
685 TRACE("\n");
686 GetSystemDirectoryW(json_path, ARRAY_SIZE(json_path));
687 lstrcatW(json_path, winevulkan_json_pathW);
688 DeleteFileW(json_path);
690 if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, vulkan_driversW, 0, KEY_SET_VALUE, &key) == ERROR_SUCCESS)
692 RegDeleteValueW(key, json_path);
693 RegCloseKey(key);
696 return S_OK;