drm_egl_layer.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 "drm_layer.h"
 
#include "drm_dmabuf_feedback.h"
#include "drm_egl_layer_surface.h"
 
#include <QMap>
#include <QPointer>
#include <QRegion>
#include <epoxy/egl.h>
#include <optional>
 
namespace KWin
{
 
class EglGbmBackend;
 
class EglGbmLayer : public DrmPipelineLayer
{
public:
    EglGbmLayer(EglGbmBackend *eglBackend, DrmPipeline *pipeline);
 
    std::optional<OutputLayerBeginFrameInfo> beginFrame() override;
    bool endFrame(const QRegion &renderedRegion, const QRegion &damagedRegion) override;
    bool scanout(SurfaceItem *surfaceItem) override;
    bool checkTestBuffer() override;
    std::shared_ptr<DrmFramebuffer> currentBuffer() const override;
    bool hasDirectScanoutBuffer() const override;
    QRegion currentDamage() const override;
    std::shared_ptr<GLTexture> texture() const override;
    ColorDescription colorDescription() const;
    void releaseBuffers() override;
    std::chrono::nanoseconds queryRenderTime() const override;
 
private:
    std::shared_ptr<DrmFramebuffer> m_scanoutBuffer;
    QRegion m_currentDamage;
 
    EglGbmLayerSurface m_surface;
    DmabufFeedback m_dmabufFeedback;
};
 
}