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diff --git a/src/quick/scenegraph/util/qsggradientcache_p.h b/src/quick/scenegraph/util/qsggradientcache_p.h
new file mode 100644
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+++ b/src/quick/scenegraph/util/qsggradientcache_p.h
@@ -0,0 +1,72 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QSGGRADIENTCACHE_P_H
+#define QSGGRADIENTCACHE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of a number of Qt sources files.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qhash.h>
+#include <QtGui/qbrush.h>
+
+#include <QtQuick/qtquickexports.h>
+
+QT_BEGIN_NAMESPACE
+
+class QSGTexture;
+class QSGPlainTexture;
+class QRhi;
+
+struct Q_QUICK_EXPORT QSGGradientCacheKey
+{
+    QSGGradientCacheKey(const QGradientStops &stops, QGradient::Spread spread)
+        : stops(stops), spread(spread)
+    { }
+    QGradientStops stops;
+    QGradient::Spread spread;
+    bool operator==(const QSGGradientCacheKey &other) const
+    {
+        return spread == other.spread && stops == other.stops;
+    }
+};
+
+inline size_t qHash(const QSGGradientCacheKey &v, size_t seed = 0)
+{
+    size_t h = seed + v.spread;
+    for (int i = 0; i < 3 && i < v.stops.size(); ++i)
+        h += v.stops[i].second.rgba();
+    return h;
+}
+
+class Q_QUICK_EXPORT QSGGradientCache
+{
+public:
+    struct GradientDesc { // can fully describe a linear/radial/conical gradient
+        QGradientStops stops;
+        QGradient::Spread spread = QGradient::PadSpread;
+        QPointF a; // start (L) or center point (R/C)
+        QPointF b; // end (L) or focal point (R)
+        qreal v0; // center radius (R) or start angle (C)
+        qreal v1; // focal radius (R)
+    };
+
+    ~QSGGradientCache();
+    static QSGGradientCache *cacheForRhi(QRhi *rhi);
+    QSGTexture *get(const QSGGradientCacheKey &grad);
+
+private:
+    QHash<QSGGradientCacheKey, QSGPlainTexture *> m_textures;
+};
+
+QT_END_NAMESPACE
+
+#endif // QSGGRADIENTCACHE_P_H