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winex11: Make get_vulkan_driver() thread-safe. 

Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2018-05-31 15:17:34 +02:00 committed by Alexandre Julliard
parent db46a1a1b9
commit 6efa2e128c
1 changed files with 14 additions and 10 deletions
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24
dlls/winex11.drv/vulkan.c
View File

@ -86,21 +86,17 @@ static inline struct wine_vk_surface *surface_from_handle(VkSurfaceKHR handle)
return (struct wine_vk_surface *)(uintptr_t)handle;
}
static BOOL wine_vk_init(void)
static void *vulkan_handle;
static BOOL WINAPI wine_vk_init(INIT_ONCE *once, void *param, void **context)
{
static BOOL init_done = FALSE;
static void *vulkan_handle;
if (init_done) return (vulkan_handle != NULL);
init_done = TRUE;
if (!(vulkan_handle = wine_dlopen(SONAME_LIBVULKAN, RTLD_NOW, NULL, 0)))
{
ERR("Failed to load %s\n", SONAME_LIBVULKAN);
return FALSE;
return TRUE;
}
#define LOAD_FUNCPTR(f) if ((p##f = wine_dlsym(vulkan_handle, #f, NULL, 0)) == NULL) return FALSE;
#define LOAD_FUNCPTR(f) if ((p##f = wine_dlsym(vulkan_handle, #f, NULL, 0)) == NULL) goto fail;
LOAD_FUNCPTR(vkAcquireNextImageKHR)
LOAD_FUNCPTR(vkCreateInstance)
LOAD_FUNCPTR(vkCreateSwapchainKHR)
@ -121,6 +117,11 @@ static BOOL wine_vk_init(void)
#undef LOAD_FUNCPTR
return TRUE;
fail:
wine_dlclose(vulkan_handle, NULL, 0);
vulkan_handle = NULL;
return TRUE;
}
/* Helper function for converting between win32 and X11 compatible VkInstanceCreateInfo.
@ -558,13 +559,16 @@ static void *X11DRV_get_vk_instance_proc_addr(VkInstance instance, const char *n
const struct vulkan_funcs *get_vulkan_driver(UINT version)
{
static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
if (version != WINE_VULKAN_DRIVER_VERSION)
{
ERR("version mismatch, vulkan wants %u but driver has %u\n", version, WINE_VULKAN_DRIVER_VERSION);
return NULL;
}
if (wine_vk_init())
InitOnceExecuteOnce(&init_once, wine_vk_init, NULL, NULL);
if (vulkan_handle)
return &vulkan_funcs;
return NULL;