| 1 | // Copyright (C) 2020 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QOPENGLCOMPOSITORBACKINGSTORE_H |
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| 5 | #define QOPENGLCOMPOSITORBACKINGSTORE_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtOpenGL/qtopenglglobal.h> |
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| 19 | |
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| 20 | #include <qpa/qplatformbackingstore.h> |
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| 21 | #include <QImage> |
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| 22 | #include <QRegion> |
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| 23 | #include <private/qglobal_p.h> |
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| 24 | |
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| 25 | QT_BEGIN_NAMESPACE |
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| 26 | |
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| 27 | class QOpenGLContext; |
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| 28 | class QPlatformTextureList; |
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| 29 | class QRhiTexture; |
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| 30 | |
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| 31 | class Q_OPENGL_EXPORT QOpenGLCompositorBackingStore : public QPlatformBackingStore |
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| 32 | { |
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| 33 | public: |
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| 34 | QOpenGLCompositorBackingStore(QWindow *window); |
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| 35 | ~QOpenGLCompositorBackingStore(); |
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| 36 | |
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| 37 | QPaintDevice *paintDevice() override; |
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| 38 | |
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| 39 | void beginPaint(const QRegion ®ion) override; |
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| 40 | |
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| 41 | void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) override; |
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| 42 | void resize(const QSize &size, const QRegion &staticContents) override; |
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| 43 | |
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| 44 | QImage toImage() const override; |
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| 45 | |
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| 46 | FlushResult rhiFlush(QWindow *window, |
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| 47 | qreal sourceDevicePixelRatio, |
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| 48 | const QRegion ®ion, |
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| 49 | const QPoint &offset, |
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| 50 | QPlatformTextureList *textures, |
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| 51 | bool translucentBackground, |
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| 52 | qreal sourceTransformFactor = 0) override; |
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| 53 | |
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| 54 | const QPlatformTextureList *textures() const { return m_textures; } |
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| 55 | |
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| 56 | void notifyComposited(); |
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| 57 | |
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| 58 | private: |
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| 59 | void updateTexture(); |
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| 60 | |
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| 61 | QWindow *m_window; |
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| 62 | QImage m_image; |
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| 63 | QRegion m_dirty; |
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| 64 | uint m_bsTexture; |
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| 65 | QRhiTexture *m_bsTextureWrapper; |
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| 66 | QOpenGLContext *m_bsTextureContext; |
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| 67 | QPlatformTextureList *m_textures; |
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| 68 | QPlatformTextureList *m_lockedWidgetTextures; |
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| 69 | QRhi *m_rhi; |
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| 70 | }; |
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| 71 | |
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| 72 | QT_END_NAMESPACE |
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| 73 | |
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| 74 | #endif // QOPENGLCOMPOSITORBACKINGSTORE_H |
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| 75 | |
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