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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef EXAMPLEWIDGET_H
#define EXAMPLEWIDGET_H
#include "rhiwidget.h"
#include <QtGui/private/qrhi_p.h>
class ExampleRhiWidget : public QRhiWidget
{
public:
ExampleRhiWidget(QWidget *parent = nullptr, Qt::WindowFlags f = {});
void initialize(QRhi *rhi, QRhiTexture *outputTexture) override;
void render(QRhiCommandBuffer *cb) override;
void setCubeTextureText(const QString &s)
{
if (itemData.cubeText == s)
return;
itemData.cubeText = s;
itemData.cubeTextDirty = true;
update();
}
void setCubeRotation(float r)
{
if (itemData.cubeRotation == r)
return;
itemData.cubeRotation = r;
itemData.cubeRotationDirty = true;
update();
}
private:
QRhi *m_rhi = nullptr;
QRhiTexture *m_output = nullptr;
QScopedPointer<QRhiRenderBuffer> m_ds;
QScopedPointer<QRhiTextureRenderTarget> m_rt;
QScopedPointer<QRhiRenderPassDescriptor> m_rp;
struct {
QRhiResourceUpdateBatch *resourceUpdates = nullptr;
QScopedPointer<QRhiBuffer> vbuf;
QScopedPointer<QRhiBuffer> ubuf;
QScopedPointer<QRhiShaderResourceBindings> srb;
QScopedPointer<QRhiGraphicsPipeline> ps;
QScopedPointer<QRhiSampler> sampler;
QScopedPointer<QRhiTexture> cubeTex;
QMatrix4x4 mvp;
} scene;
void initScene();
void updateMvp();
void updateCubeTexture();
struct {
QString cubeText;
bool cubeTextDirty = false;
float cubeRotation = 0.0f;
bool cubeRotationDirty = false;
} itemData;
};
#endif
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