drm_dmabuf_feedback.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2022 Xaver Hugl <xaver.hugl@gmail.com>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
 
#include <QList>
#include <QMap>
#include <QPointer>
 
namespace KWin
{
 
class EglGbmBackend;
class DrmGpu;
class SurfaceInterface;
 
class DmabufFeedback
{
public:
    DmabufFeedback(DrmGpu *gpu, EglGbmBackend *eglBackend);
 
    void renderingSurface();
    void scanoutSuccessful(SurfaceInterface *surface);
    void scanoutFailed(SurfaceInterface *surface, const QMap<uint32_t, QList<uint64_t>> &formats);
 
private:
    QPointer<SurfaceInterface> m_surface;
    QMap<uint32_t, QList<uint64_t>> m_attemptedFormats;
    bool m_attemptedThisFrame = false;
 
    DrmGpu *const m_gpu;
    EglGbmBackend *const m_eglBackend;
};
 
}