8dee03500e
Simple window with a rotating rectangle that can be captured using QGraphicsFrameCapture. Task-number: QTBUG-116146 Change-Id: Ia3b6928e469d926c53260ee40ed5af97dd280c08 Reviewed-by: Janne Koskinen <janne.p.koskinen@qt.io>
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef WINDOW_H
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#define WINDOW_H
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#include <QWindow>
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#include <QOffscreenSurface>
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#include <rhi/qrhi.h>
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#include <QtGui/private/qgraphicsframecapture_p.h>
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class Window : public QWindow
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{
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public:
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Window(QRhi::Implementation graphicsApi);
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void releaseSwapChain();
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protected:
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virtual void customInit();
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virtual void customRender();
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// destruction order matters to a certain degree: the fallbackSurface must
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// outlive the rhi, the rhi must outlive all other resources. The resources
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// need no special order when destroying.
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#if QT_CONFIG(opengl)
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std::unique_ptr<QOffscreenSurface> m_fallbackSurface;
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#endif
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std::unique_ptr<QRhi> m_rhi;
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std::unique_ptr<QRhiSwapChain> m_sc;
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std::unique_ptr<QRhiRenderBuffer> m_ds;
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std::unique_ptr<QRhiRenderPassDescriptor> m_rp;
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bool m_hasSwapChain = false;
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QMatrix4x4 m_proj;
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private:
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void init();
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void resizeSwapChain();
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void render();
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void exposeEvent(QExposeEvent *) override;
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bool event(QEvent *) override;
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QRhi::Implementation m_graphicsApi;
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bool m_running = false;
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bool m_notExposed = false;
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bool m_newlyExposed = false;
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QScopedPointer<QGraphicsFrameCapture> m_capturer;
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bool m_shouldCapture = false;
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};
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#endif
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