From cf202f371862ebe92dd88924a9f7b8cfbc7ad738 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Mon, 14 Nov 2022 21:00:32 -0500
Subject: nvnflinger: fix lost wakeup

---
 src/core/hle/service/nvflinger/buffer_queue_core.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/core/hle/service/nvflinger/buffer_queue_core.cpp')

diff --git a/src/core/hle/service/nvflinger/buffer_queue_core.cpp b/src/core/hle/service/nvflinger/buffer_queue_core.cpp
index ea4a14ea4..3d1338e66 100644
--- a/src/core/hle/service/nvflinger/buffer_queue_core.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue_core.cpp
@@ -23,15 +23,17 @@ void BufferQueueCore::NotifyShutdown() {
 }
 
 void BufferQueueCore::SignalDequeueCondition() {
+    dequeue_possible.store(true);
     dequeue_condition.notify_all();
 }
 
-bool BufferQueueCore::WaitForDequeueCondition() {
+bool BufferQueueCore::WaitForDequeueCondition(std::unique_lock<std::mutex>& lk) {
     if (is_shutting_down) {
         return false;
     }
 
-    dequeue_condition.wait(mutex);
+    dequeue_condition.wait(lk, [&] { return dequeue_possible.load(); });
+    dequeue_possible.store(false);
 
     return true;
 }
-- 
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