kwin/lib/kwinglobals.cpp

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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>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "kwinglobals.h"
#include <config-workspace.h>
#include <config-X11.h>
#include <assert.h>
#include <kdebug.h>
#include <X11/Xlib.h>
#include <X11/extensions/shape.h>
#ifdef HAVE_XRENDER
#include <X11/extensions/Xrender.h>
#endif
#ifdef HAVE_XFIXES
#include <X11/extensions/Xfixes.h>
#endif
#ifdef HAVE_XDAMAGE
#include <X11/extensions/Xdamage.h>
#endif
#ifdef HAVE_XRANDR
#include <X11/extensions/Xrandr.h>
#endif
#ifdef HAVE_XCOMPOSITE
#include <X11/extensions/Xcomposite.h>
#endif
#ifdef HAVE_OPENGL
#include <GL/glx.h>
#endif
#ifdef HAVE_XSYNC
#include <X11/extensions/sync.h>
#endif
namespace KWin
{
int Extensions::shape_version = 0;
int Extensions::shape_event_base = 0;
bool Extensions::has_randr = false;
int Extensions::randr_event_base = 0;
bool Extensions::has_damage = false;
int Extensions::damage_event_base = 0;
int Extensions::composite_version = 0;
int Extensions::fixes_version = 0;
int Extensions::render_version = 0;
bool Extensions::has_glx = false;
bool Extensions::has_sync = false;
int Extensions::sync_event_base = 0;
// for fillExtensionsData()
const char* Extensions::data_extensions[ 32 ];
int Extensions::data_nextensions;
int Extensions::data_opcodes[ 32 ];
int Extensions::data_error_bases[ 32 ];
void Extensions::addData( const char* name )
{
assert( data_nextensions < 32 );
int opcode, event_base, error_base;
XQueryExtension( display(), name, &opcode, &event_base, &error_base );
data_extensions[ data_nextensions ] = name;
data_opcodes[ data_nextensions ] = opcode;
data_error_bases[ data_nextensions ] = error_base;
++data_nextensions;
}
void Extensions::init()
{
int event_base, error_base;
data_nextensions = 0;
shape_version = 0;
if( XShapeQueryExtension( display(), &shape_event_base, &error_base ))
{
int major, minor;
if( XShapeQueryVersion( display(), &major, &minor ))
{
shape_version = major * 0x10 + minor;
addData( "SHAPE" );
}
}
#ifdef HAVE_XRANDR
has_randr = XRRQueryExtension( display(), &randr_event_base, &error_base );
if( has_randr )
{
int major, minor;
XRRQueryVersion( display(), &major, &minor );
has_randr = ( major > 1 || ( major == 1 && minor >= 1 ) );
addData( "RANDR" );
}
#else
has_randr = false;
#endif
#ifdef HAVE_XDAMAGE
has_damage = XDamageQueryExtension( display(), &damage_event_base, &error_base );
if( has_damage )
addData( "DAMAGE" );
#else
has_damage = false;
#endif
composite_version = 0;
#ifdef HAVE_XCOMPOSITE
if( XCompositeQueryExtension( display(), &event_base, &error_base ))
{
int major = 0, minor = 0;
XCompositeQueryVersion( display(), &major, &minor );
composite_version = major * 0x10 + minor;
addData( "Composite" );
}
#endif
fixes_version = 0;
#ifdef HAVE_XFIXES
if( XFixesQueryExtension( display(), &event_base, &error_base ))
{
int major = 0, minor = 0;
XFixesQueryVersion( display(), &major, &minor );
fixes_version = major * 0x10 + minor;
addData( "XFIXES" );
}
#endif
render_version = 0;
#ifdef HAVE_XRENDER
if( XRenderQueryExtension( display(), &event_base, &error_base ))
{
int major = 0, minor = 0;
XRenderQueryVersion( display(), &major, &minor );
render_version = major * 0x10 + minor;
addData( "RENDER" );
}
#endif
has_glx = false;
#ifdef HAVE_OPENGL
has_glx = glXQueryExtension( display(), &event_base, &error_base );
if( has_glx )
addData( "GLX" );
#endif
#ifdef HAVE_XSYNC
if( XSyncQueryExtension( display(), &sync_event_base, &error_base ))
{
int major = 0, minor = 0;
if( XSyncInitialize( display(), &major, &minor ))
{
has_sync = true;
addData( "SYNC" );
}
}
#endif
kDebug( 1212 ) << "Extensions: shape: 0x" << QString::number( shape_version, 16 )
<< " composite: 0x" << QString::number( composite_version, 16 )
<< " render: 0x" << QString::number( render_version, 16 )
<< " fixes: 0x" << QString::number( fixes_version, 16 ) << endl;
}
void Extensions::fillExtensionsData( const char**& extensions, int& nextensions, int*&opcodes, int*& error_bases )
{
extensions = data_extensions;
nextensions = data_nextensions;
opcodes = data_opcodes;
error_bases = data_error_bases;
}
int Extensions::shapeNotifyEvent()
{
return shape_event_base + ShapeNotify;
}
// does the window w need a shape combine mask around it?
bool Extensions::hasShape( Window w )
{
int xws, yws, xbs, ybs;
unsigned int wws, hws, wbs, hbs;
int boundingShaped = 0, clipShaped = 0;
if( !shapeAvailable())
return false;
XShapeQueryExtents(display(), w,
&boundingShaped, &xws, &yws, &wws, &hws,
&clipShaped, &xbs, &ybs, &wbs, &hbs);
return boundingShaped != 0;
}
bool Extensions::shapeInputAvailable()
{
return shape_version >= 0x11; // 1.1
}
int Extensions::randrNotifyEvent()
{
#ifdef HAVE_XRANDR
return randr_event_base + RRScreenChangeNotify;
#else
return 0;
#endif
}
int Extensions::damageNotifyEvent()
{
#ifdef HAVE_XDAMAGE
return damage_event_base + XDamageNotify;
#else
return 0;
#endif
}
bool Extensions::compositeOverlayAvailable()
{
return composite_version >= 0x03; // 0.3
}
bool Extensions::fixesRegionAvailable()
{
return fixes_version >= 0x30; // 3
}
int Extensions::syncAlarmNotifyEvent()
{
#ifdef HAVE_XSYNC
return sync_event_base + XSyncAlarmNotify;
#else
return 0;
#endif
}
} // namespace