[PATCH 2/2] vkd3d: Add Windows implementation of vkd3d_set_thread_name().

[Brendan Shanks]

From: Brendan Shanks

---
 libs/vkd3d/device.c | 46 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index 4018a5c1..0058c6b7 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -4479,9 +4479,53 @@ HRESULT vkd3d_join_thread(struct vkd3d_instance *instance, union vkd3d_thread_ha
     return hr;
 }

+#ifdef _WIN32
+static BOOL SetThreadDescription_resolved = FALSE;
+static HMODULE kernelbase = NULL;
+static HRESULT (WINAPI *my_SetThreadDescription)(HANDLE, PCWSTR) = NULL;
+
+static void resolve_SetThreadDescription(void)
+{
+	kernelbase = LoadLibraryA("kernelbase.dll");
+	if (!kernelbase)
+		return;
+
+	my_SetThreadDescription = (HRESULT (WINAPI *)(HANDLE, PCWSTR)) GetProcAddress(kernelbase, "SetThreadDescription");
+	if (!my_SetThreadDescription)
+	{
+		FreeLibrary(kernelbase);
+		kernelbase = NULL;
+	}
+}
+#endif
+
 void vkd3d_set_thread_name(const char *name)
 {
-#if defined(HAVE_PTHREAD_SETNAME_NP_2)
+#ifdef _WIN32
+    int ret;
+    WCHAR *nameW;
+
+    if (!SetThreadDescription_resolved)
+    {
+        SetThreadDescription_resolved = TRUE;
+        resolve_SetThreadDescription();
+    }
+
+    if (!my_SetThreadDescription)
+        return;
+
+    ret = MultiByteToWideChar(CP_UTF8, 0, name, -1, NULL, 0);
+
+    nameW = vkd3d_malloc(ret * sizeof(WCHAR));
+    if (!nameW)
+        return;
+
+    ret = MultiByteToWideChar(CP_UTF8, 0, name, -1, nameW, ret);
+    if (ret)
+        my_SetThreadDescription(GetCurrentThread(), nameW);
+
+    vkd3d_free(nameW);
+#elif defined(HAVE_PTHREAD_SETNAME_NP_2)
     pthread_setname_np(pthread_self(), name);
 #elif defined(HAVE_PTHREAD_SETNAME_NP_1)
     pthread_setname_np(name);