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100 lines
2.7 KiB
100 lines
2.7 KiB
/***************************************************************** |
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KWin - the KDE window manager |
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This file is part of the KDE project. |
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org> |
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You can Freely distribute this program under the GNU General Public |
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License. See the file "COPYING" for the exact licensing terms. |
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******************************************************************/ |
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#ifndef KWIN_SCENE_XRENDER_H |
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#define KWIN_SCENE_XRENDER_H |
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#include <config-workspace.h> |
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#include "scene.h" |
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#if defined(HAVE_XRENDER) && defined(HAVE_XFIXES) |
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#include <X11/extensions/Xrender.h> |
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#include <X11/extensions/Xfixes.h> |
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namespace KWin |
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{ |
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class SceneXrender |
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: public Scene |
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{ |
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public: |
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SceneXrender( Workspace* ws ); |
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virtual ~SceneXrender(); |
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virtual bool initFailed() const; |
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virtual CompositingType compositingType() const { return XRenderCompositing; } |
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virtual void paint( QRegion damage, ToplevelList windows ); |
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virtual void windowGeometryShapeChanged( Toplevel* ); |
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virtual void windowOpacityChanged( Toplevel* ); |
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virtual void windowAdded( Toplevel* ); |
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virtual void windowClosed( Toplevel*, Deleted* ); |
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virtual void windowDeleted( Deleted* ); |
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Picture bufferPicture(); |
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protected: |
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virtual void paintBackground( QRegion region ); |
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virtual void paintGenericScreen( int mask, ScreenPaintData data ); |
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private: |
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void paintTransformedScreen( int mask ); |
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void createBuffer(); |
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static XserverRegion toXserverRegion( QRegion region ); |
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XRenderPictFormat* format; |
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Picture front; |
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static Picture buffer; |
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static ScreenPaintData screen_paint; |
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class Window; |
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QHash< Toplevel*, Window* > windows; |
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bool init_ok; |
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}; |
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class SceneXrender::Window |
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: public Scene::Window |
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{ |
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public: |
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Window( Toplevel* c ); |
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virtual ~Window(); |
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virtual void performPaint( int mask, QRegion region, WindowPaintData data ); |
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void discardPicture(); |
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void discardAlpha(); |
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QRegion transformedShape() const; |
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void setTransformedShape( const QRegion& shape ); |
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private: |
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Picture picture(); |
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Picture alphaMask( float opacity ); |
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Picture _picture; |
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XRenderPictFormat* format; |
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Picture alpha; |
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float alpha_cached_opacity; |
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QRegion transformed_shape; |
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}; |
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inline |
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Picture SceneXrender::bufferPicture() |
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{ |
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return buffer; |
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} |
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inline |
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QRegion SceneXrender::Window::transformedShape() const |
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{ |
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return transformed_shape; |
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} |
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inline |
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void SceneXrender::Window::setTransformedShape( const QRegion& shape ) |
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{ |
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transformed_shape = shape; |
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} |
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} // namespace |
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#endif |
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#endif
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