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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef EXAMPLEWIDGET_H
#define EXAMPLEWIDGET_H
#include <QRhiWidget>
#include <rhi/qrhi.h>
class ExampleRhiWidget : public QRhiWidget
{
Q_OBJECT
public:
ExampleRhiWidget(QWidget *parent = nullptr);
void initialize(QRhiCommandBuffer *cb) override;
void render(QRhiCommandBuffer *cb) override;
void releaseResources() override;
//![data-setters]
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();
}
//![data-setters]
signals:
void resized();
void rhiChanged(const QString &apiName);
private:
QRhi *m_rhi = nullptr;
int m_sampleCount = 1;
QSize m_pixelSize;
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> cubeTex;
QMatrix4x4 mvp;
} scene;
struct {
QString cubeText;
bool cubeTextDirty = false;
float cubeRotation = 0.0f;
bool cubeRotationDirty = false;
} itemData;
void initScene();
void updateMvp();
void updateCubeTexture();
};
#endif
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