testrhiitem.h - mozsearch

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// Copyright (C) 2023 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#ifndef TESTRHIITEM_H

#define TESTRHIITEM_H

#include <QQuickRhiItem>

#include <rhi/qrhi.h>

class TestRenderer : public QQuickRhiItemRenderer

protected:

    void initialize(QRhiCommandBuffer *cb) override;

    void synchronize(QQuickRhiItem *item) override;

    void render(QRhiCommandBuffer *cb) override;

private:

    QRhi *m_rhi = nullptr;

    int m_sampleCount = 1;

    struct {

        QRhiResourceUpdateBatch *resourceUpdates = nullptr;

        std::unique_ptr<QRhiBuffer> vbuf;

        std::unique_ptr<QRhiBuffer> ubuf;

        std::unique_ptr<QRhiShaderResourceBindings> srb;

        std::unique_ptr<QRhiGraphicsPipeline> ps;

        std::unique_ptr<QRhiSampler> sampler;

        std::unique_ptr<QRhiTexture> tex;

        QMatrix4x4 mvp;

    } scene;

    struct {

        QColor color;

    } itemData;

    void initScene();

    void updateTexture();

    friend class tst_QQuickRhiItem;

};

class TestRhiItem : public QQuickRhiItem

    Q_OBJECT

    QML_NAMED_ELEMENT(TestRhiItem)

    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)

public:

    QQuickRhiItemRenderer *createRenderer() override { return new TestRenderer; }

    QColor color() const { return m_color; }

    void setColor(QColor c);

signals:

    void colorChanged();

private:

    QColor m_color;

};

#endif