File indexing completed on 2024-05-12 05:31:41 

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004 
0005     SPDX-FileCopyrightText: 2023 Xaver Hugl <xaver.hugl@gmail.com>
0006 
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 #pragma once
0010 
0011 #include "kwin_export.h"
0012 
0013 #include <QByteArray>
0014 #include <QHash>
0015 #include <QList>
0016 #include <QSize>
0017 #include <epoxy/egl.h>
0018 
0019 namespace KWin
0020 {
0021 
0022 struct DmaBufAttributes;
0023 class GLTexture;
0024 
0025 class KWIN_EXPORT EglDisplay
0026 {
0027 public:
0028     struct DrmFormatInfo
0029     {
0030         QList<uint64_t> allModifiers;
0031         QList<uint64_t> nonExternalOnlyModifiers;
0032         QList<uint64_t> externalOnlyModifiers;
0033     };
0034 
0035     EglDisplay(::EGLDisplay display, const QList<QByteArray> &extensions, bool owning = true);
0036     ~EglDisplay();
0037 
0038     QList<QByteArray> extensions() const;
0039     ::EGLDisplay handle() const;
0040     bool hasExtension(const QByteArray &name) const;
0041 
0042     QString renderNode() const;
0043 
0044     bool supportsBufferAge() const;
0045     bool supportsNativeFence() const;
0046 
0047     QHash<uint32_t, QList<uint64_t>> nonExternalOnlySupportedDrmFormats() const;
0048     QHash<uint32_t, DrmFormatInfo> allSupportedDrmFormats() const;
0049     bool isExternalOnly(uint32_t format, uint64_t modifier) const;
0050 
0051     EGLImageKHR importDmaBufAsImage(const DmaBufAttributes &dmabuf) const;
0052     EGLImageKHR importDmaBufAsImage(const DmaBufAttributes &dmabuf, int plane, int format, const QSize &size) const;
0053 
0054     static std::unique_ptr<EglDisplay> create(::EGLDisplay display, bool owning = true);
0055 
0056 private:
0057     QHash<uint32_t, DrmFormatInfo> queryImportFormats() const;
0058 
0059     const ::EGLDisplay m_handle;
0060     const QList<QByteArray> m_extensions;
0061     const bool m_owning;
0062 
0063     const bool m_supportsBufferAge;
0064     const bool m_supportsNativeFence;
0065     const QHash<uint32_t, DrmFormatInfo> m_importFormats;
0066 };
0067 
0068 }