Fix memory leak in QSGAtlasTexture::Manager::create()

Parent the Atlas to the manager.

Task-number: QTBUG-61754
Change-Id: Ida8b0622d1dbcaafa622f72a1d210969fa61d5bf
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

2 files changed, 5 insertions, 4 deletions

diff --git a/src/quick/scenegraph/util/qsgatlastexture.cpp b/src/quick/scenegraph/util/qsgatlastexture.cpp
index 22f0b13f46..d5f836a525 100644
--- a/src/quick/scenegraph/util/qsgatlastexture.cpp
+++ b/src/quick/scenegraph/util/qsgatlastexture.cpp
@@ -116,7 +116,7 @@ QSGTexture *Manager::create(const QImage &image, bool hasAlphaChannel)
     Texture *t = 0;
     if (image.width() < m_atlas_size_limit && image.height() < m_atlas_size_limit) {
         if (!m_atlas)
-            m_atlas = new Atlas(m_atlas_size);
+            m_atlas = new Atlas(m_atlas_size, this);
         // t may be null for atlas allocation failure
         t = m_atlas->create(image);
         if (t && !hasAlphaChannel && t->hasAlphaChannel())
@@ -125,8 +125,9 @@ QSGTexture *Manager::create(const QImage &image, bool hasAlphaChannel)
     return t;
 }
 
-Atlas::Atlas(const QSize &size)
-    : m_allocator(size)
+Atlas::Atlas(const QSize &size, QObject *parent)
+    : QObject(parent)
+    , m_allocator(size)
     , m_texture_id(0)
     , m_size(size)
     , m_atlas_transient_image_threshold(0)
diff --git a/src/quick/scenegraph/util/qsgatlastexture_p.h b/src/quick/scenegraph/util/qsgatlastexture_p.h
index 3dee539547..0bb07e8e89 100644
--- a/src/quick/scenegraph/util/qsgatlastexture_p.h
+++ b/src/quick/scenegraph/util/qsgatlastexture_p.h
@@ -88,7 +88,7 @@ private:
 class Atlas : public QObject
 {
 public:
-    Atlas(const QSize &size);
+    Atlas(const QSize &size, QObject *parent);
     ~Atlas();
 
     void invalidate();