From 08443e5e4d7749ca1dfd22ff10ce492d98b1a792 Mon Sep 17 00:00:00 2001
From: megai2 <megai2@ya.ru>
Date: Tue, 11 Aug 2020 20:16:57 +0300
Subject: [PATCH] properly remove thread refs from occlusion queries

fixes infinite loop on exit
related to #276
---
 d912pxy/d912pxy_query_occlusion.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/d912pxy/d912pxy_query_occlusion.cpp b/d912pxy/d912pxy_query_occlusion.cpp
index bb18a438..8dd9c9ed 100644
--- a/d912pxy/d912pxy_query_occlusion.cpp
+++ b/d912pxy/d912pxy_query_occlusion.cpp
@@ -233,6 +233,16 @@ void d912pxy_query_occlusion::FreePendingQueryObjects()
 
 void d912pxy_query_occlusion::DeInitOccQueryEmulation()
 {
+	//finish outstanding queres so thery are properly freed on exit
+	d912pxy_query_occlusion_gpu_stack* readStack = &g_gpuStack[!g_writeStack];
+	if (readStack->count)
+	{
+		for (int i = 0; i != readStack->count; ++i)	
+			readStack->stack[i]->SetQueryResult(0);
+
+		readStack->count = 0;
+	}
+
 	if (!g_occQueryHeap)
 		return;