kwin/platformsupport/scenes/opengl/linux_dmabuf.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright © 2019 Roman Gilg <subdiff@gmail.com>
Copyright © 2018 Fredrik Höglund <fredrik@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#pragma once
#include "abstract_egl_backend.h"
#include <KWayland/Server/linuxdmabuf_v1_interface.h>
#include <QVector>
namespace KWin
{
class LinuxDmabuf;
class DmabufBuffer : public KWayland::Server::LinuxDmabufUnstableV1Buffer
{
public:
using Plane = KWayland::Server::LinuxDmabufUnstableV1Interface::Plane;
using Flags = KWayland::Server::LinuxDmabufUnstableV1Interface::Flags;
enum class ImportType {
Direct,
Conversion
};
DmabufBuffer(EGLImage image,
const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags,
LinuxDmabuf *interfaceImpl);
DmabufBuffer(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags,
LinuxDmabuf *interfaceImpl);
~DmabufBuffer() override;
void addImage(EGLImage image);
void removeImages();
QVector<EGLImage> images() const { return m_images; }
Flags flags() const { return m_flags; }
const QVector<Plane> &planes() const { return m_planes; }
private:
QVector<EGLImage> m_images;
QVector<Plane> m_planes;
Flags m_flags;
LinuxDmabuf *m_interfaceImpl;
ImportType m_importType;
};
class LinuxDmabuf : public KWayland::Server::LinuxDmabufUnstableV1Interface::Impl
{
public:
using Plane = KWayland::Server::LinuxDmabufUnstableV1Interface::Plane;
using Flags = KWayland::Server::LinuxDmabufUnstableV1Interface::Flags;
static LinuxDmabuf* factory(AbstractEglBackend *backend);
explicit LinuxDmabuf(AbstractEglBackend *backend);
~LinuxDmabuf();
KWayland::Server::LinuxDmabufUnstableV1Buffer *importBuffer(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags) override;
private:
EGLImage createImage(const QVector<Plane> &planes,
uint32_t format,
const QSize &size);
KWayland::Server::LinuxDmabufUnstableV1Buffer *yuvImport(const QVector<Plane> &planes,
uint32_t format,
const QSize &size,
Flags flags);
void removeBuffer(DmabufBuffer *buffer);
void setSupportedFormatsAndModifiers();
KWayland::Server::LinuxDmabufUnstableV1Interface *m_interface;
QSet<DmabufBuffer*> m_buffers;
AbstractEglBackend *m_backend;
friend class DmabufBuffer;
};
}