From 947a1c8f5c858806c3f2b72fc70241b4a7fda5bc Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Sat, 17 Dec 2022 00:21:07 -0800
Subject: [PATCH] Qt: Refactor and fix dequeueAll so keep mode keeps last draw
 tex too

---
 src/platform/qt/DisplayGL.cpp | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/platform/qt/DisplayGL.cpp b/src/platform/qt/DisplayGL.cpp
index 3b1c2a695..59a441aca 100644
--- a/src/platform/qt/DisplayGL.cpp
+++ b/src/platform/qt/DisplayGL.cpp
@@ -861,17 +861,23 @@ void PainterGL::dequeueAll(bool keep) {
 			m_free.append(buffer);
 		}
 	}
-	m_queueTex.clear();
-	m_freeTex.clear();
-	for (auto tex : m_bridgeTexes) {
-		m_freeTex.enqueue(tex);
-	}
-	m_bridgeTexIn = m_freeTex.dequeue();
-	m_bridgeTexOut = std::numeric_limits<GLuint>::max();
 	if (m_buffer && !keep) {
 		m_free.append(m_buffer);
 		m_buffer = nullptr;
 	}
+
+	m_queueTex.clear();
+	m_freeTex.clear();
+	for (auto tex : m_bridgeTexes) {
+		if (keep && tex == m_bridgeTexIn) {
+			continue;
+		}
+		m_freeTex.enqueue(tex);
+	}
+	if (!keep) {
+		m_bridgeTexIn = m_freeTex.dequeue();
+		m_bridgeTexOut = std::numeric_limits<GLuint>::max();
+	}
 }
 
 void PainterGL::setVideoProxy(std::shared_ptr<VideoProxy> proxy) {