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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef RHITEXTUREITEM_H
#define RHITEXTUREITEM_H
#include <QQuickRhiItem>
#include <rhi/qrhi.h>
class ExampleRhiItemRenderer : public QQuickRhiItemRenderer
{
public:
void initialize(QRhiCommandBuffer *cb) override;
void synchronize(QQuickRhiItem *item) override;
void render(QRhiCommandBuffer *cb) override;
private:
QRhi *m_rhi = nullptr;
int m_sampleCount = 1;
QRhiTexture::Format m_textureFormat = QRhiTexture::RGBA8;
std::unique_ptr<QRhiBuffer> m_vbuf;
std::unique_ptr<QRhiBuffer> m_ubuf;
std::unique_ptr<QRhiShaderResourceBindings> m_srb;
std::unique_ptr<QRhiGraphicsPipeline> m_pipeline;
QMatrix4x4 m_viewProjection;
float m_angle = 0.0f;
float m_alpha = 1.0f;
};
class ExampleRhiItem : public QQuickRhiItem
{
Q_OBJECT
QML_NAMED_ELEMENT(ExampleRhiItem)
Q_PROPERTY(float angle READ angle WRITE setAngle NOTIFY angleChanged)
Q_PROPERTY(float backgroundAlpha READ backgroundAlpha WRITE setBackgroundAlpha NOTIFY backgroundAlphaChanged)
public:
QQuickRhiItemRenderer *createRenderer() override;
float angle() const { return m_angle; }
void setAngle(float a);
float backgroundAlpha() const { return m_alpha; }
void setBackgroundAlpha(float a);
signals:
void angleChanged();
void backgroundAlphaChanged();
private:
float m_angle = 0.0f;
float m_alpha = 1.0f;
};
#endif
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