79 lines
1.4 KiB
C++
79 lines
1.4 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_DRM_BUFFER_H
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#define KWIN_DRM_BUFFER_H
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#include <QImage>
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#include <QSize>
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namespace KWin
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{
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class DrmGpu;
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class DrmBuffer
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{
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public:
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DrmBuffer(DrmGpu *gpu);
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virtual ~DrmBuffer() = default;
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virtual bool needsModeChange(DrmBuffer *b) const {Q_UNUSED(b) return false;}
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quint32 bufferId() const {
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return m_bufferId;
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}
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const QSize &size() const {
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return m_size;
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}
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DrmGpu *gpu() const {
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return m_gpu;
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}
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protected:
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quint32 m_bufferId = 0;
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QSize m_size;
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DrmGpu *m_gpu;
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};
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class DrmDumbBuffer : public DrmBuffer
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{
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public:
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DrmDumbBuffer(DrmGpu *gpu, const QSize &size);
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~DrmDumbBuffer() override;
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bool needsModeChange(DrmBuffer *b) const override;
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bool map(QImage::Format format = QImage::Format_RGB32);
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quint32 handle() const {
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return m_handle;
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}
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QImage *image() const {
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return m_image;
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}
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void *data() const {
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return m_memory;
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}
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quint32 stride() const {
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return m_stride;
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}
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private:
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quint32 m_handle = 0;
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quint64 m_bufferSize = 0;
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void *m_memory = nullptr;
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QImage *m_image = nullptr;
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quint32 m_stride = 0;
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};
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}
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#endif
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