regionscreencastsource.h

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/*
    SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include "screencastsource.h"
 
#include "opengl/gltexture.h"
#include "opengl/glutils.h"
#include <QImage>
 
namespace KWin
{
class Output;
 
class RegionScreenCastSource : public ScreenCastSource
{
    Q_OBJECT
 
public:
    explicit RegionScreenCastSource(const QRect &region, qreal scale, QObject *parent = nullptr);
 
    quint32 drmFormat() const override;
    bool hasAlphaChannel() const override;
    QSize textureSize() const override;
    uint refreshRate() const override;
 
    void render(GLFramebuffer *target) override;
    void render(spa_data *spa, spa_video_format format) override;
    std::chrono::nanoseconds clock() const override;
 
    QRect region() const
    {
        return m_region;
    }
    qreal scale() const
    {
        return m_scale;
    }
    void updateOutput(Output *output);
 
private:
    void ensureTexture();
 
    const QRect m_region;
    const qreal m_scale;
    std::unique_ptr<GLFramebuffer> m_target;
    std::unique_ptr<GLTexture> m_renderedTexture;
    std::chrono::nanoseconds m_last;
};
 
} // namespace KWin