kwin/scene_opengl.h

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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#ifndef KWIN_SCENE_OPENGL_H
#define KWIN_SCENE_OPENGL_H
#include "scene.h"
#include <GL/gl.h>
#include <GL/glx.h>
namespace KWinInternal
{
class SceneOpenGL
: public Scene
{
public:
SceneOpenGL( Workspace* ws );
virtual ~SceneOpenGL();
virtual void paint( QRegion damage, ToplevelList windows );
virtual void windowGeometryShapeChanged( Toplevel* );
virtual void windowOpacityChanged( Toplevel* );
virtual void windowAdded( Toplevel* );
virtual void windowDeleted( Toplevel* );
protected:
virtual void paintGenericScreen( int mask, ScreenPaintData data );
virtual void paintSimpleScreen( int mask, QRegion region );
virtual void paintBackground( QRegion region );
private:
void initBuffer();
bool findConfig( const int* attrs, GLXFBConfig& config, VisualID visual = None );
typedef GLuint Texture;
GC gcroot;
Drawable buffer;
GLXFBConfig fbcroot;
static bool root_db;
static GLXFBConfig fbcdrawable;
static GLXDrawable glxroot;
static GLXContext context;
static bool tfp_mode;
static bool copy_buffer_hack;
class Window;
QMap< Toplevel*, Window > windows;
};
class SceneOpenGL::Window
: public Scene::Window
{
public:
Window( Toplevel* c );
virtual void free();
virtual void performPaint( int mask, QRegion region, WindowPaintData data );
void bindTexture();
void discardTexture();
Window() {} // QMap sucks even in Qt4
private:
Texture texture;
bool texture_y_inverted;
Pixmap bound_pixmap;
GLXPixmap bound_glxpixmap; // only for tfp_mode
};
} // namespace
#endif