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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef WINDOW_H
#define WINDOW_H
#include <QWindow>
#include <QOffscreenSurface>
#include <rhi/qrhi.h>
class Window : public QWindow
{
public:
Window(QRhi::Implementation graphicsApi);
void releaseSwapChain();
protected:
QVulkanInstance instance;
std::unique_ptr<QOffscreenSurface> m_fallbackSurface;
std::unique_ptr<QRhi> m_rhi;
std::unique_ptr<QRhiSwapChain> m_sc;
std::unique_ptr<QRhiRenderBuffer> m_ds;
std::unique_ptr<QRhiRenderPassDescriptor> m_rp;
QRhi::Implementation m_graphicsApi;
bool m_hasSwapChain = false;
QMatrix4x4 m_proj;
private:
void init();
void resizeSwapChain();
void render();
void recordFrame();
void exposeEvent(QExposeEvent *) override;
bool event(QEvent *) override;
bool m_running = false;
bool m_notExposed = false;
bool m_newlyExposed = false;
QShader getShader(const QString &name);
std::unique_ptr<QRhiBuffer> m_vbuf;
bool m_vbufReady = false;
std::unique_ptr<QRhiBuffer> m_ubuf;
std::unique_ptr<QRhiBuffer> m_ubuf2;
std::unique_ptr<QRhiShaderResourceBindings> m_srb;
std::unique_ptr<QRhiShaderResourceBindings> m_srb2;
std::unique_ptr<QRhiGraphicsPipeline> m_ps;
float m_rotation = 0;
float m_translation = -5;
int m_translationDir = -1;
};
#endif
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