diff options
Diffstat (limited to 'src/gui/painting/qbackingstorerhisupport_p.h')
-rw-r--r-- | src/gui/painting/qbackingstorerhisupport_p.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/gui/painting/qbackingstorerhisupport_p.h b/src/gui/painting/qbackingstorerhisupport_p.h new file mode 100644 index 0000000000..39ce36c680 --- /dev/null +++ b/src/gui/painting/qbackingstorerhisupport_p.h @@ -0,0 +1,77 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#ifndef QBACKINGSTORERHISUPPORT_P_H +#define QBACKINGSTORERHISUPPORT_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtGui/private/qtguiglobal_p.h> +#include <QtGui/qwindow.h> +#include <QtGui/qsurfaceformat.h> +#include <QtGui/qoffscreensurface.h> +#include <rhi/qrhi.h> +#include <qpa/qplatformbackingstore.h> + +QT_BEGIN_NAMESPACE + +class Q_GUI_EXPORT QBackingStoreRhiSupport +{ +public: + ~QBackingStoreRhiSupport(); + + void reset(); + + void setFormat(const QSurfaceFormat &format) { m_format = format; } + void setWindow(QWindow *window) { m_window = window; } + void setConfig(const QPlatformBackingStoreRhiConfig &config) { m_config = config; } + + bool create(); + + QRhiSwapChain *swapChainForWindow(QWindow *window); + + static QSurface::SurfaceType surfaceTypeForConfig(const QPlatformBackingStoreRhiConfig &config); + + static bool checkForceRhi(QPlatformBackingStoreRhiConfig *outConfig, QSurface::SurfaceType *outType); + + static QRhi::Implementation apiToRhiBackend(QPlatformBackingStoreRhiConfig::Api api); + + QRhi *rhi() const { return m_rhi; } + +private: + QSurfaceFormat m_format; + QWindow *m_window = nullptr; + QPlatformBackingStoreRhiConfig m_config; + QRhi *m_rhi = nullptr; + QOffscreenSurface *m_openGLFallbackSurface = nullptr; + struct SwapchainData { + QRhiSwapChain *swapchain = nullptr; + QRhiRenderPassDescriptor *renderPassDescriptor = nullptr; + QObject *windowWatcher = nullptr; + void reset(); + }; + QHash<QWindow *, SwapchainData> m_swapchains; + friend class QBackingStoreRhiSupportWindowWatcher; +}; + +class QBackingStoreRhiSupportWindowWatcher : public QObject +{ +public: + QBackingStoreRhiSupportWindowWatcher(QBackingStoreRhiSupport *rhiSupport) : m_rhiSupport(rhiSupport) { } + bool eventFilter(QObject *obj, QEvent *ev) override; +private: + QBackingStoreRhiSupport *m_rhiSupport; +}; + +QT_END_NAMESPACE + +#endif // QBACKINGSTORERHISUPPORT_P_H |