From 8140078364e1e441437abfda11699473abc9034e Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@qt.io>
Date: Thu, 14 Oct 2021 11:03:31 +0200
Subject: sg: Drop internal pool allocs upon QQuickWindow::releaseResources

Task-number: QTBUG-93956
Change-Id: Iba89c491c2ce33ed2a51713f480b41bea1c82519
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
(cherry picked from commit 3ccf37ce966923b6b65499f1116ee1941a1f36f1)
---
 src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp b/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp
index fae9f78ddf..7d2129b247 100644
--- a/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp
+++ b/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp
@@ -1133,6 +1133,9 @@ void Renderer::releaseCachedResources()
 
     if (m_rhi)
         m_rhi->releaseCachedResources();
+
+    m_vertexUploadPool.shrink(0);
+    m_indexUploadPool.shrink(0);
 }
 
 void Renderer::invalidateAndRecycleBatch(Batch *b)
-- 
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