1 files changed, 98 insertions, 0 deletions
diff --git a/games-strategy/0ad/files/0ad-0.0.24b_alpha-fix-hang-on-quit-without-nvtt.patch b/games-strategy/0ad/files/0ad-0.0.24b_alpha-fix-hang-on-quit-without-nvtt.patch
new file mode 100644
index 000000000000..fe054eccac51
--- /dev/null
+++ b/games-strategy/0ad/files/0ad-0.0.24b_alpha-fix-hang-on-quit-without-nvtt.patch
@@ -0,0 +1,98 @@
+# Nils Freydank <holgersson@posteo.de> (2021-06-17)
+Apply the patch from upstream with minor adoption.
+
+Gentoo bug: https://bugs.gentoo.org/779757
+Upstream Bug: https://trac.wildfiregames.com/ticket/6107
+Upstream Patch: https://trac.wildfiregames.com/changeset/25766
+
+--- a/source/graphics/TextureConverter.cpp	(revision 25765)
++++ b/source/graphics/TextureConverter.cpp	(revision 25766)
+@@ -294,9 +294,8 @@
+ 	m_VFS(vfs), m_HighQuality(highQuality), m_Shutdown(false)
+ {
++#if CONFIG2_NVTT
+ 	// Verify that we are running with at least the version we were compiled with,
+ 	// to avoid bugs caused by ABI changes
+-#if CONFIG2_NVTT
+ 	ENSURE(nvtt::version() >= NVTT_VERSION);
+-#endif
+ 
+ 	m_WorkerThread = std::thread(Threading::HandleExceptions<RunThread>::Wrapper, this);
+@@ -304,8 +303,10 @@
+ 	// Maybe we should share some centralised pool of worker threads?
+ 	// For now we'll just stick with a single thread for this specific use.
++#endif // CONFIG2_NVTT
+ }
+ 
+ CTextureConverter::~CTextureConverter()
+ {
++#if CONFIG2_NVTT
+ 	// Tell the thread to shut down
+ 	{
+@@ -327,4 +328,5 @@
+ 	// Wait for it to shut down cleanly
+ 	m_WorkerThread.join();
++#endif // CONFIG2_NVTT
+ }
+ 
+@@ -477,8 +479,8 @@
+ 	return true;
+ 
+-#else
++#else // CONFIG2_NVTT
+ 	LOGERROR("Failed to convert texture \"%s\" (NVTT not available)", src.string8());
+ 	return false;
+-#endif
++#endif // !CONFIG2_NVTT
+ }
+ 
+@@ -529,22 +531,24 @@
+ 	return true;
+ 
+-#else // #if CONFIG2_NVTT
++#else // CONFIG2_NVTT
+ 	return false;
+-#endif
++#endif // !CONFIG2_NVTT
+ }
+ 
+ bool CTextureConverter::IsBusy()
+ {
++#if CONFIG2_NVTT
+ 	std::lock_guard<std::mutex> lock(m_WorkerMutex);
+ 	return !m_RequestQueue.empty();
++#else // CONFIG2_NVTT
++	return false;
++#endif // !CONFIG2_NVTT
+ }
+ 
+ void CTextureConverter::RunThread(CTextureConverter* textureConverter)
+ {
++#if CONFIG2_NVTT
+ 	debug_SetThreadName("TextureConverter");
+ 	g_Profiler2.RegisterCurrentThread("texconv");
+-
+-#if CONFIG2_NVTT
+-
+ 	// Wait until the main thread wakes us up
+ 	while (true)
+@@ -596,4 +600,4 @@
+ 	std::lock_guard<std::mutex> wait_lock(textureConverter->m_WorkerMutex);
+ 	textureConverter->m_Shutdown = false;
+-#endif
+-}
++#endif // CONFIG2_NVTT
++}
+
+--- a/source/graphics/TextureConverter.h	(revision 25765)
++++ b/source/graphics/TextureConverter.h	(revision 25766)
+@@ -208,7 +208,9 @@
+ 	bool m_HighQuality;
+ 
++#if CONFIG2_NVTT
+ 	std::thread m_WorkerThread;
+ 	std::mutex m_WorkerMutex;
+ 	std::condition_variable m_WorkerCV;
++#endif // CONFIG2_NVTT
+ 
+ 	struct ConversionRequest;