0d2e361eca
The ClientBuffer type is empty now, most of the things have been upstreamed to the GraphicsBuffer type. So let's drop it to simplify the type hierarchy.
116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2018 Fredrik Höglund <fredrik@kde.org>
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SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
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SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-FileCopyrightText: 2021 Xaver Hugl <xaver.hugl@gmail.com>
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SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
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*/
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#pragma once
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#include "core/graphicsbuffer.h"
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#include <QHash>
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#include <QSet>
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#include <sys/types.h>
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#include <wayland-server.h>
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namespace KWin
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{
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class RenderBackend;
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}
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namespace KWaylandServer
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{
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class Display;
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class LinuxDmaBufV1ClientBufferPrivate;
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class LinuxDmaBufV1ClientBufferIntegrationPrivate;
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class LinuxDmaBufV1FeedbackPrivate;
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/**
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* The LinuxDmaBufV1ClientBuffer class represents a linux dma-buf client buffer.
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*
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* The LinuxDmaBufV1ClientBuffer can be used even after the underlying wl_buffer object
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* is destroyed by the client.
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*/
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class KWIN_EXPORT LinuxDmaBufV1ClientBuffer : public KWin::GraphicsBuffer
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{
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Q_OBJECT
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public:
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LinuxDmaBufV1ClientBuffer(KWin::DmaBufAttributes &&attrs);
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QSize size() const override;
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bool hasAlphaChannel() const override;
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const KWin::DmaBufAttributes *dmabufAttributes() const override;
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static LinuxDmaBufV1ClientBuffer *get(wl_resource *resource);
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private:
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void initialize(wl_resource *resource);
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static void buffer_destroy_resource(wl_resource *resource);
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static void buffer_destroy(wl_client *client, wl_resource *resource);
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static const struct wl_buffer_interface implementation;
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wl_resource *m_resource = nullptr;
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KWin::DmaBufAttributes m_attrs;
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bool m_hasAlphaChannel = false;
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friend class LinuxDmaBufParamsV1;
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};
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class KWIN_EXPORT LinuxDmaBufV1Feedback : public QObject
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{
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Q_OBJECT
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public:
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~LinuxDmaBufV1Feedback() override;
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enum class TrancheFlag : uint32_t {
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Scanout = 1,
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};
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Q_DECLARE_FLAGS(TrancheFlags, TrancheFlag)
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struct Tranche
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{
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dev_t device;
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TrancheFlags flags;
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QHash<uint32_t, QVector<uint64_t>> formatTable;
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};
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/**
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* Sets the list of tranches for this feedback object, with lower indices
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* indicating a higher priority / a more optimal configuration.
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* The main device does not need to be included
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*/
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void setTranches(const QVector<Tranche> &tranches);
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private:
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LinuxDmaBufV1Feedback(LinuxDmaBufV1ClientBufferIntegrationPrivate *integration);
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friend class LinuxDmaBufV1ClientBufferIntegrationPrivate;
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friend class LinuxDmaBufV1FeedbackPrivate;
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std::unique_ptr<LinuxDmaBufV1FeedbackPrivate> d;
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};
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/**
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* The LinuxDmaBufV1ClientBufferIntegration class provides support for linux dma-buf buffers.
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*/
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class KWIN_EXPORT LinuxDmaBufV1ClientBufferIntegration : public QObject
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{
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Q_OBJECT
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public:
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explicit LinuxDmaBufV1ClientBufferIntegration(Display *display);
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~LinuxDmaBufV1ClientBufferIntegration() override;
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KWin::RenderBackend *renderBackend() const;
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void setRenderBackend(KWin::RenderBackend *renderBackend);
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void setSupportedFormatsWithModifiers(const QVector<LinuxDmaBufV1Feedback::Tranche> &tranches);
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private:
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friend class LinuxDmaBufV1ClientBufferIntegrationPrivate;
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std::unique_ptr<LinuxDmaBufV1ClientBufferIntegrationPrivate> d;
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};
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} // namespace KWaylandServer
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