1 files changed, 101 insertions, 0 deletions
diff --git a/src/quick/items/qquickrhiitem_p.h b/src/quick/items/qquickrhiitem_p.h
new file mode 100644
index 0000000000..e60de7e55e
--- /dev/null
+++ b/src/quick/items/qquickrhiitem_p.h
@@ -0,0 +1,101 @@
+// 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 QQUICKRHIITEM_P_H
+#define QQUICKRHIITEM_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qquickrhiitem.h"
+#include <QtQuick/QSGTextureProvider>
+#include <QtQuick/QSGSimpleTextureNode>
+#include <QtQuick/private/qquickitem_p.h>
+#include <rhi/qrhi.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQuickRhiItemNode : public QSGTextureProvider, public QSGSimpleTextureNode
+{
+    Q_OBJECT
+
+public:
+    QQuickRhiItemNode(QQuickRhiItem *item);
+
+    QSGTexture *texture() const override;
+
+    void sync();
+    QRhiCommandBuffer *queryCommandBuffer();
+    void resetColorBufferObjects();
+    void resetRenderTargetObjects();
+
+    bool isValid() const
+    {
+        return m_rhi && m_sgTexture;
+    }
+
+    void scheduleUpdate()
+    {
+        m_renderPending = true;
+        m_window->update(); // ensure getting to beforeRendering() at some point
+    }
+
+    bool hasRenderer() const
+    {
+        return m_renderer != nullptr;
+    }
+
+    void setRenderer(QQuickRhiItemRenderer *r)
+    {
+        m_renderer.reset(r);
+    }
+
+    QQuickRhiItem *m_item;
+    QQuickWindow *m_window;
+    QSize m_pixelSize;
+    qreal m_dpr = 0.0f;
+    QRhi *m_rhi = nullptr;
+    bool m_renderPending = true;
+    std::unique_ptr<QSGTexture> m_sgTexture;
+    std::unique_ptr<QQuickRhiItemRenderer> m_renderer;
+    QRhiTexture *m_colorTexture = nullptr;
+    QRhiTexture *m_resolveTexture = nullptr;
+    std::unique_ptr<QRhiRenderBuffer> m_msaaColorBuffer;
+    std::unique_ptr<QRhiRenderBuffer> m_depthStencilBuffer;
+    std::unique_ptr<QRhiTextureRenderTarget> m_renderTarget;
+    std::unique_ptr<QRhiRenderPassDescriptor> m_renderPassDescriptor;
+
+public slots:
+    void render();
+};
+
+class QQuickRhiItemPrivate : public QQuickItemPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickRhiItem)
+
+public:
+    static QQuickRhiItemPrivate *get(QQuickRhiItem *item) { return item->d_func(); }
+
+    mutable QQuickRhiItemNode *node = nullptr;
+    QQuickRhiItem::TextureFormat itemTextureFormat = QQuickRhiItem::TextureFormat::RGBA8;
+    QRhiTexture::Format rhiTextureFormat = QRhiTexture::RGBA8;
+    int samples = 1;
+    bool autoRenderTarget = true;
+    bool mirrorVertically = false;
+    bool blend = false;
+    int fixedTextureWidth = 0;
+    int fixedTextureHeight = 0;
+    QSize effectiveTextureSize;
+};
+
+QT_END_NAMESPACE
+
+#endif