91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*****************************************************************
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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_OPENGL_H
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#define KWIN_SCENE_OPENGL_H
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#include "scene.h"
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <X11/extensions/XShm.h>
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namespace KWinInternal
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{
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class SceneOpenGL
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: public Scene
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{
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public:
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SceneOpenGL( Workspace* ws );
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virtual ~SceneOpenGL();
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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 windowDeleted( Toplevel* );
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protected:
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virtual void paintGenericScreen( int mask, ScreenPaintData data );
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virtual void paintBackground( QRegion region );
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private:
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void selectMode();
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bool initTfp();
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bool initShm();
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void cleanupShm();
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void initBuffer();
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void initRenderingContext();
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bool findConfig( const int* attrs, GLXFBConfig* config, VisualID visual = None );
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void waitSync();
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void flushBuffer( int mask, QRegion damage );
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typedef GLuint Texture;
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GC gcroot;
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Drawable buffer;
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GLXFBConfig fbcbuffer;
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static bool db;
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static GLXFBConfig fbcdrawable;
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static GLXDrawable glxbuffer;
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static GLXContext ctxbuffer;
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static GLXContext ctxdrawable;
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static GLXDrawable last_pixmap; // for a workaround in bindTexture()
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static bool tfp_mode;
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static bool shm_mode;
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static bool strict_binding;
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static bool copy_buffer_hack;
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static bool supports_saturation;
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class Window;
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QMap< Toplevel*, Window > windows;
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static XShmSegmentInfo shm;
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};
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class SceneOpenGL::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 void free();
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virtual void performPaint( int mask, QRegion region, WindowPaintData data );
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void bindTexture();
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void enableTexture();
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void disableTexture();
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void discardTexture();
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Window() {} // QMap sucks even in Qt4
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private:
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QRegion optimizeBindDamage( const QRegion& reg, int limit );
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Texture texture;
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bool texture_y_inverted; // texture has y inverted
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Pixmap bound_pixmap; // the pixmap the texture is bound to, only for tfp_mode
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GLXPixmap bound_glxpixmap; // the glx pixmap the texture is bound to, only for tfp_mode
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};
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} // namespace
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#endif
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