From ef669d8c9a582104f50d96370a3e590257fa3753 Mon Sep 17 00:00:00 2001
From: SirLynix <lynix680@gmail.com>
Date: Fri, 21 Jul 2023 09:01:15 +0200
Subject: [PATCH] Core/ThreadImpl: Fix GetThreadDescription link error on older
 Windows

---
 src/Nazara/Core/Win32/ThreadImpl.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Nazara/Core/Win32/ThreadImpl.cpp b/src/Nazara/Core/Win32/ThreadImpl.cpp
index 1def05650..635e9dfa9 100644
--- a/src/Nazara/Core/Win32/ThreadImpl.cpp
+++ b/src/Nazara/Core/Win32/ThreadImpl.cpp
@@ -12,7 +12,8 @@ namespace Nz::PlatformImpl
 #ifndef NAZARA_COMPILER_MINGW
 	namespace NAZARA_ANONYMOUS_NAMESPACE
 	{
-		// Windows 10, version 1607 added SetThreadDescription in order to name a thread
+		// Windows 10, version 1607 added GetThreadDescription and SetThreadDescription in order to name a thread
+		using GetThreadDescriptionFunc = HRESULT(WINAPI*)(HANDLE hThread, PWSTR* ppszThreadDescription);
 		using SetThreadDescriptionFunc = HRESULT(WINAPI*)(HANDLE hThread, PCWSTR lpThreadDescription);
 
 #ifdef NAZARA_COMPILER_MSVC
@@ -46,7 +47,12 @@ namespace Nz::PlatformImpl
 	std::string GetThreadName(ThreadHandle threadHandle)
 	{
 #ifndef NAZARA_COMPILER_MINGW
+		// Use GetThreadDescription if available
 		PWSTR namePtr;
+		static GetThreadDescriptionFunc GetThreadDescription = reinterpret_cast<GetThreadDescriptionFunc>(::GetProcAddress(::GetModuleHandleW(L"Kernel32.dll"), "GetThreadDescription"));
+		if (!GetThreadDescription)
+			return "<GetThreadDescription not supported>";
+
 		HRESULT hr = ::GetThreadDescription(threadHandle, &namePtr);
 		if (FAILED(hr))
 			return "<GetThreadDescription failed: " + std::to_string(HRESULT_CODE(hr)) + ">";