From 9b6869b35dedbbe412342c6d7d9c450ee1c5f45d Mon Sep 17 00:00:00 2001
From: Michael Brasser <mbrasser@ford.com>
Date: Wed, 27 Jan 2021 08:34:44 -0600
Subject: Do less work when there are no active ImageParticle particles
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Don't mark geometry and material as dirty if there is nothing to change.

Task-number: QTBUG-41867
Change-Id: I016d2d76f4ebf731f5bfc931ba616ee5d074bc65
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
(cherry picked from commit e3cb305a6a19bf394c1068a7e483e1c95e11c22b)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/particles/qquickparticlesystem_p.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/particles/qquickparticlesystem_p.h')

diff --git a/src/particles/qquickparticlesystem_p.h b/src/particles/qquickparticlesystem_p.h
index d991257452..2f2e10d264 100644
--- a/src/particles/qquickparticlesystem_p.h
+++ b/src/particles/qquickparticlesystem_p.h
@@ -205,6 +205,8 @@ public:
         return m_size;
     }
 
+    bool isActive() { return freeList.count() > 0; }
+
     QString name() const;
 
     void setSize(int newSize);
-- 
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