wined3d: Set name of internal threads.

dlls/wined3d/cs.c

@@ -3354,6 +3354,7 @@ static DWORD WINAPI wined3d_cs_run(void *ctx)
     bool run = true;
 
     TRACE("Started.\n");
+    SetThreadDescription(GetCurrentThread(), L"wined3d_cs");
 
     /* Copy the module handle to a local variable to avoid racing with the
      * thread freeing "cs" before the FreeLibraryAndExitThread() call. */

dlls/wined3d/directx.c

@@ -1069,6 +1069,8 @@ static DWORD CALLBACK notification_thread_func(void *stop_event)
     struct wined3d_video_memory_info info;
     HRESULT hr;
 
+    SetThreadDescription(GetCurrentThread(), L"wined3d_budget_change_notification");
+
     while (TRUE)
     {
         wined3d_mutex_lock();

dlls/wined3d/swapchain.c

@@ -2194,6 +2194,8 @@ static DWORD WINAPI wined3d_set_window_state(void *ctx)
     struct wined3d_window_state *s = ctx;
     bool filter;
 
+    SetThreadDescription(GetCurrentThread(), L"wined3d_set_window_state");
+
     filter = wined3d_filter_messages(s->window, TRUE);
 
     if (s->set_style)