140 lines
3.3 KiB
C++
140 lines
3.3 KiB
C++
/*
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SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include "core/graphicsbuffer.h"
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#include "core/output.h"
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#include "scene/item.h"
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#include <deque>
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namespace KWin
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{
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class SurfacePixmap;
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class Window;
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/**
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* The SurfaceItem class represents a surface with some contents.
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*/
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class KWIN_EXPORT SurfaceItem : public Item
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{
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Q_OBJECT
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public:
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QSizeF destinationSize() const;
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void setDestinationSize(const QSizeF &size);
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QRectF bufferSourceBox() const;
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void setBufferSourceBox(const QRectF &box);
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OutputTransform bufferTransform() const;
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void setBufferTransform(OutputTransform transform);
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QSize bufferSize() const;
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void setBufferSize(const QSize &size);
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std::shared_ptr<SyncReleasePoint> bufferReleasePoint() const;
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QRegion mapFromBuffer(const QRegion ®ion) const;
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void addDamage(const QRegion ®ion);
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void resetDamage();
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QRegion damage() const;
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void discardPixmap();
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void updatePixmap();
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void destroyPixmap();
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SurfacePixmap *pixmap() const;
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SurfacePixmap *previousPixmap() const;
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void referencePreviousPixmap();
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void unreferencePreviousPixmap();
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virtual ContentType contentType() const;
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virtual void setScanoutHint(DrmDevice *device, const QHash<uint32_t, QList<uint64_t>> &drmFormats);
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virtual void freeze();
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std::chrono::nanoseconds frameTimeEstimation() const;
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Q_SIGNALS:
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void damaged();
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protected:
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explicit SurfaceItem(Item *parent = nullptr);
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virtual std::unique_ptr<SurfacePixmap> createPixmap() = 0;
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void preprocess() override;
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WindowQuadList buildQuads() const override;
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QRegion m_damage;
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OutputTransform m_bufferToSurfaceTransform;
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OutputTransform m_surfaceToBufferTransform;
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QRectF m_bufferSourceBox;
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QSize m_bufferSize;
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QSizeF m_destinationSize;
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std::unique_ptr<SurfacePixmap> m_pixmap;
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std::unique_ptr<SurfacePixmap> m_previousPixmap;
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int m_referencePixmapCounter = 0;
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std::deque<std::chrono::nanoseconds> m_lastDamageTimeDiffs;
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std::optional<std::chrono::steady_clock::time_point> m_lastDamage;
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std::chrono::nanoseconds m_frameTimeEstimation = std::chrono::days(1000);
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std::shared_ptr<SyncReleasePoint> m_bufferReleasePoint;
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};
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class KWIN_EXPORT SurfaceTexture
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{
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public:
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virtual ~SurfaceTexture();
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virtual bool isValid() const = 0;
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virtual bool create() = 0;
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virtual void update(const QRegion ®ion) = 0;
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};
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class KWIN_EXPORT SurfacePixmap : public QObject
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{
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Q_OBJECT
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public:
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explicit SurfacePixmap(std::unique_ptr<SurfaceTexture> &&texture, QObject *parent = nullptr);
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GraphicsBuffer *buffer() const;
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void setBuffer(GraphicsBuffer *buffer);
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GraphicsBufferOrigin bufferOrigin() const;
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void setBufferOrigin(GraphicsBufferOrigin origin);
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SurfaceTexture *texture() const;
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bool hasAlphaChannel() const;
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QSize size() const;
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bool isDiscarded() const;
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void markAsDiscarded();
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virtual void create() = 0;
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virtual void update();
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virtual bool isValid() const = 0;
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protected:
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GraphicsBufferRef m_bufferRef;
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GraphicsBufferOrigin m_bufferOrigin = GraphicsBufferOrigin::TopLeft;
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QSize m_size;
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bool m_hasAlphaChannel = false;
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private:
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std::unique_ptr<SurfaceTexture> m_texture;
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bool m_isDiscarded = false;
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};
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} // namespace KWin
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