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Diffstat (limited to 'src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h')
-rw-r--r-- | src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h b/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h new file mode 100644 index 0000000000..5523b18f76 --- /dev/null +++ b/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPLATFORMBACKINGSTOREOPENGLSUPPORT_H +#define QPLATFORMBACKINGSTOREOPENGLSUPPORT_H + +// +// W A R N I N G +// ------------- +// +// This file is part of the QPA API and is not meant to be used +// in applications. Usage of this API may make your code +// source and binary incompatible with future versions of Qt. +// + +#ifndef QT_NO_OPENGL + +#include <QtGui/qtguiglobal.h> +#include <qpa/qplatformbackingstore.h> + +#include <QtGui/QOpenGLContext> + +QT_BEGIN_NAMESPACE + +class QOpenGLTextureBlitter; +class QOpenGLBackingStore; + +class QPlatformBackingStoreOpenGLSupport : public QPlatformBackingStoreOpenGLSupportBase +{ +public: + explicit QPlatformBackingStoreOpenGLSupport(QPlatformBackingStore *backingStore) : backingStore(backingStore) {} + ~QPlatformBackingStoreOpenGLSupport() override; + void composeAndFlush(QWindow *window, const QRegion ®ion, const QPoint &offset, + QPlatformTextureList *textures, bool translucentBackground) override; + GLuint toTexture(const QRegion &dirtyRegion, QSize *textureSize, QPlatformBackingStore::TextureFlags *flags) const override; + +private: + QPlatformBackingStore *backingStore = nullptr; + QScopedPointer<QOpenGLContext> context; + mutable GLuint textureId = 0; + mutable QSize textureSize; + mutable bool needsSwizzle = false; + mutable bool premultiplied = false; + QOpenGLTextureBlitter *blitter = nullptr; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_OPENGL + +#endif // QPLATFORMBACKINGSTOREOPENGLSUPPORT_H |