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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef RHIITEM_H
#define RHIITEM_H
#include <QQuickItem>
#include <QtGui/private/qrhi_p.h>
class RhiItem;
class RhiItemPrivate;
class RhiItemRenderer
{
public:
virtual ~RhiItemRenderer();
virtual void initialize(QRhi *rhi, QRhiTexture *outputTexture);
virtual void synchronize(RhiItem *item);
virtual void render(QRhiCommandBuffer *cb);
void update();
private:
void *data;
friend class RhiItem;
};
class RhiItem : public QQuickItem
{
Q_OBJECT
Q_DECLARE_PRIVATE(RhiItem)
Q_PROPERTY(int explicitTextureWidth READ explicitTextureWidth WRITE setExplicitTextureWidth NOTIFY explicitTextureWidthChanged)
Q_PROPERTY(int explicitTextureHeight READ explicitTextureHeight WRITE setExplicitTextureHeight NOTIFY explicitTextureHeightChanged)
Q_PROPERTY(QSize effectiveTextureSize READ effectiveTextureSize NOTIFY effectiveTextureSizeChanged)
Q_PROPERTY(bool alphaBlending READ alphaBlending WRITE setAlphaBlending NOTIFY alphaBlendingChanged)
Q_PROPERTY(bool mirrorVertically READ mirrorVertically WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged)
public:
RhiItem(QQuickItem *parent = nullptr);
virtual RhiItemRenderer *createRenderer() = 0;
int explicitTextureWidth() const;
void setExplicitTextureWidth(int w);
int explicitTextureHeight() const;
void setExplicitTextureHeight(int h);
QSize effectiveTextureSize() const;
bool alphaBlending() const;
void setAlphaBlending(bool enable);
bool mirrorVertically() const;
void setMirrorVertically(bool enable);
protected:
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
void releaseResources() override;
bool isTextureProvider() const override;
QSGTextureProvider *textureProvider() const override;
Q_SIGNALS:
void explicitTextureWidthChanged();
void explicitTextureHeightChanged();
void effectiveTextureSizeChanged();
void alphaBlendingChanged();
void mirrorVerticallyChanged();
private Q_SLOTS:
void invalidateSceneGraph();
};
#endif
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