141 lines
4.6 KiB
C++
141 lines
4.6 KiB
C++
/*
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SPDX-FileCopyrightText: 2010 Fredrik Höglund <fredrik@kde.org>
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SPDX-FileCopyrightText: 2018 Alex Nemeth <alex.nemeth329@gmail.com>
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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 <kwineffects.h>
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#include <kwinglplatform.h>
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#include <kwinglutils.h>
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#include <KF5/KWayland/Server/blur_interface.h>
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#include <KF5/KWayland/Server/display.h>
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#include <KF5/KWayland/Server/surface_interface.h>
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#include <QStack>
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#include <QVector2D>
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#include <QVector>
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#include <QDir>
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#include <QSharedMemory>
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namespace KWin
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{
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static const int borderSize = 5;
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class BlurShader;
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class BlurEffect : public KWin::Effect
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{
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Q_OBJECT
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public:
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BlurEffect();
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~BlurEffect() override;
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static bool supported();
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static bool enabledByDefault();
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void reconfigure(ReconfigureFlags flags) override;
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void prePaintScreen(ScreenPrePaintData &data, std::chrono::milliseconds presentTime) override;
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void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, std::chrono::milliseconds presentTime) override;
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void drawWindow(EffectWindow *w, int mask, const QRegion ®ion, WindowPaintData &data) override;
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bool provides(Feature feature) override;
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bool isActive() const override;
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int requestedEffectChainPosition() const override
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{
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return 21;
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}
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bool eventFilter(QObject *watched, QEvent *event) override;
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bool blocksDirectScanout() const override;
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bool isWindowValid(KWin::EffectWindow *w);
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bool shouldColorize(KWin::EffectWindow *w);
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bool treatAsActive(KWin::EffectWindow *w);
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bool readMemory(bool* skipFunc);
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public Q_SLOTS:
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void slotWindowAdded(KWin::EffectWindow *w);
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void slotWindowDeleted(KWin::EffectWindow *w);
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void slotPropertyNotify(KWin::EffectWindow *w, long atom);
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void slotScreenGeometryChanged();
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void setupDecorationConnections(EffectWindow *w);
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private:
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QRect expand(const QRect &rect) const;
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QRegion expand(const QRegion ®ion) const;
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QRegion blurRegion(const EffectWindow *w, bool internal = true) const;
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QRegion decorationBlurRegion(const EffectWindow *w) const;
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bool decorationSupportsBlurBehind(const EffectWindow *w) const;
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bool shouldBlur(const EffectWindow *w, int mask, const WindowPaintData &data) const;
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void updateBlurRegion(EffectWindow *w);
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void doBlur(const QRegion &shape, const QRect &screen, const float opacity, const QMatrix4x4 &screenProjection, bool isDock, QRect windowRect, bool active = false, bool reflect = true);
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void uploadRegion(QVector2D *&map, const QRegion ®ion, const int downSampleIterations);
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Q_REQUIRED_RESULT bool uploadGeometry(GLVertexBuffer *vbo, const QRegion &blurRegion, const QRegion &windowRegion);
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void renderReflection(GLVertexBuffer *vbo, int vboStart, int blurRectCount, const QMatrix4x4 &screenProjection, QPoint windowPosition, QSize windowSize, float opacity);
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void renderColorization(GLVertexBuffer *vbo, int vboStart, int blurRectCount, const QMatrix4x4 &screenProjection, float opacity, bool active);
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void updateTexture();
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private:
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BlurShader *m_shader;
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GLTexture* m_reflectionTexture;
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QString m_defaultTexturePath = QDir::homePath() + "/.emerald/theme/reflection.png";
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QString m_texturePath = "";
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bool m_translateTexture = true;
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bool m_enableColorization = true;
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QStringList m_excludedWindows;
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QStringList m_excludedWindowsColorization;
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QColor m_accentColor;
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QColor m_accentColorInactive;
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QColor m_accentColorInactiveTransparent;
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bool m_transparencyEnabled = true;
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bool m_firstTimeReconfigure = false;
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bool m_enableFirefoxHack = true;
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long net_wm_blur_region = 0;
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QRegion m_paintedArea; // keeps track of all painted areas (from bottom to top)
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QRegion m_currentBlur; // keeps track of the currently blured area of the windows(from bottom to top)
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int m_downSampleIterations = 1; // number of times the texture will be downsized to half size
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int m_offset;
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int m_expandSize;
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int m_scalingFactor;
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struct OffsetStruct
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{
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float minOffset;
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float maxOffset;
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int expandSize;
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};
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QVector<OffsetStruct> blurOffsets;
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struct BlurValuesStruct
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{
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int iteration;
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float offset;
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};
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QVector<BlurValuesStruct> blurStrengthValues;
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QMap<EffectWindow *, QMetaObject::Connection> windowBlurChangedConnections;
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QMap<const EffectWindow *, QRegion> blurRegions;
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QSharedMemory m_sharedMemory;
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};
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inline bool BlurEffect::provides(Effect::Feature feature)
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{
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if (feature == Blur) {
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return true;
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}
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return KWin::Effect::provides(feature);
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}
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} // namespace KWin
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