diff --git a/dlls/d3d12/d3d12_main.c b/dlls/d3d12/d3d12_main.c index 8a199aadc35..fff3acb9cd7 100644 --- a/dlls/d3d12/d3d12_main.c +++ b/dlls/d3d12/d3d12_main.c @@ -47,11 +47,25 @@ WINE_DECLARE_DEBUG_CHANNEL(winediag); #ifdef USE_WIN32_VULKAN +static HMODULE vulkan_module; + /* FIXME: We should unload vulkan-1.dll. */ +static BOOL WINAPI load_vulkan_dll_once(INIT_ONCE *once, void *param, void **context) +{ + vulkan_module = LoadLibraryA("vulkan-1.dll"); + return TRUE; +} + static PFN_vkGetInstanceProcAddr load_vulkan(void) { - HMODULE vulkan = LoadLibraryA("vulkan-1.dll"); - return (void *)GetProcAddress(vulkan, "vkGetInstanceProcAddr"); + static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT; + + InitOnceExecuteOnce(&init_once, load_vulkan_dll_once, NULL, NULL); + + if (vulkan_module) + return (void *)GetProcAddress(vulkan_module, "vkGetInstanceProcAddr"); + + return NULL; } #else