209 lines
7 KiB
C++
209 lines
7 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2008 Martin Gräßlin <ubuntu@martin-graesslin.com>
|
|
|
|
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 "cube.h"
|
|
#include "sphere.h"
|
|
|
|
#include <kdebug.h>
|
|
#include <KStandardDirs>
|
|
|
|
#include <math.h>
|
|
|
|
#include <GL/gl.h>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
KWIN_EFFECT( sphere, SphereEffect )
|
|
|
|
SphereEffect::SphereEffect()
|
|
: CubeEffect()
|
|
, mInited( false )
|
|
, mValid( true )
|
|
, mShader( 0 )
|
|
{
|
|
if( wallpaper )
|
|
wallpaper->discard();
|
|
loadConfig( "Sphere" );
|
|
reflection = false;
|
|
animateDesktopChange = false;
|
|
}
|
|
|
|
SphereEffect::~SphereEffect()
|
|
{
|
|
delete mShader;
|
|
}
|
|
|
|
bool SphereEffect::loadData()
|
|
{
|
|
mInited = true;
|
|
QString fragmentshader = KGlobal::dirs()->findResource("data", "kwin/cylinder.frag");
|
|
QString vertexshader = KGlobal::dirs()->findResource("data", "kwin/sphere.vert");
|
|
if( fragmentshader.isEmpty() || vertexshader.isEmpty() )
|
|
{
|
|
kError() << "Couldn't locate shader files" << endl;
|
|
return false;
|
|
}
|
|
|
|
mShader = new GLShader( vertexshader, fragmentshader );
|
|
if( !mShader->isValid() )
|
|
{
|
|
kError() << "The shader failed to load!" << endl;
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
mShader->bind();
|
|
mShader->setUniform( "winTexture", 0 );
|
|
mShader->setUniform( "opacity", cubeOpacity );
|
|
QRect rect = effects->clientArea( FullScreenArea, activeScreen, effects->currentDesktop());
|
|
mShader->setUniform( "width", (float)rect.width() );
|
|
mShader->setUniform( "height", (float)rect.height() );
|
|
mShader->unbind();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void SphereEffect::paintScene( int mask, QRegion region, ScreenPaintData& data )
|
|
{
|
|
glPushMatrix();
|
|
float zTranslate = -350.0;
|
|
if( start )
|
|
zTranslate *= timeLine.value();
|
|
if( stop )
|
|
zTranslate *= ( 1.0 - timeLine.value() );
|
|
glTranslatef( 0.0, 0.0, zTranslate );
|
|
CubeEffect::paintScene( mask, region, data );
|
|
glPopMatrix();
|
|
}
|
|
|
|
void SphereEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
|
|
{
|
|
if( activated )
|
|
{
|
|
if( cube_painting )
|
|
{
|
|
if( w->isOnDesktop( painting_desktop ))
|
|
{
|
|
data.quads = data.quads.makeGrid( 40 );
|
|
QRect rect = effects->clientArea( FullArea, activeScreen, painting_desktop );
|
|
if( w->x() < rect.width()/2 && w->x() + w->width() > rect.width()/ 2 )
|
|
data.quads = data.quads.splitAtX( rect.width()/2 - w->x() );
|
|
w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
|
|
}
|
|
else
|
|
{
|
|
w->disablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
|
|
}
|
|
}
|
|
}
|
|
effects->prePaintWindow( w, data, time );
|
|
}
|
|
|
|
void SphereEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
|
|
{
|
|
if( activated && cube_painting )
|
|
{
|
|
if( mValid && !mInited )
|
|
mValid = loadData();
|
|
bool useShader = mValid;
|
|
if( useShader )
|
|
{
|
|
mShader->bind();
|
|
mShader->setUniform( "windowWidth", (float)w->width() );
|
|
mShader->setUniform( "windowHeight", (float)w->height() );
|
|
mShader->setUniform( "xCoord", (float)w->x() );
|
|
mShader->setUniform( "yCoord", (float)w->y() );
|
|
mShader->setUniform( "cubeAngle", (effects->numberOfDesktops() - 2 )/(float)effects->numberOfDesktops() * 180.0f );
|
|
data.shader = mShader;
|
|
}
|
|
CubeEffect::paintWindow( w, mask, region, data );
|
|
if( useShader )
|
|
{
|
|
mShader->unbind();
|
|
}
|
|
}
|
|
else
|
|
effects->paintWindow( w, mask, region, data );
|
|
}
|
|
|
|
void SphereEffect::paintCap( float z, float zTexture )
|
|
{
|
|
if( bottomCap )
|
|
{
|
|
glPushMatrix();
|
|
glScalef( 1.0, -1.0, 1.0 );
|
|
}
|
|
CubeEffect::paintCap( z, zTexture );
|
|
if( bottomCap )
|
|
glPopMatrix();
|
|
}
|
|
|
|
void SphereEffect::paintCapStep( float z, float zTexture, bool texture )
|
|
{
|
|
QRect rect = effects->clientArea( FullArea, activeScreen, painting_desktop );
|
|
float cubeAngle = (effects->numberOfDesktops() - 2 )/(float)effects->numberOfDesktops() * 180.0f;
|
|
float radius = (rect.width()*0.5)/cos(cubeAngle*0.5*M_PI/180.0);
|
|
float angle = acos( (rect.height()*0.5)/radius )*180.0/M_PI;
|
|
angle /= 30;
|
|
if( texture )
|
|
capTexture->bind();
|
|
glPushMatrix();
|
|
glTranslatef( 0.0, -rect.height()*0.5, 0.0 );
|
|
glBegin( GL_QUADS );
|
|
for( int i=0; i<30; i++ )
|
|
{
|
|
float topAngle = angle*i*M_PI/180.0;
|
|
float bottomAngle = angle*(i+1)*M_PI/180.0;
|
|
float yTop = rect.height() - radius * cos( topAngle );
|
|
float yBottom = rect.height() -radius * cos( bottomAngle );
|
|
for( int j=0; j<36; j++ )
|
|
{
|
|
float x = radius * sin( topAngle ) * sin( (90.0+j*10.0)*M_PI/180.0 );
|
|
float z = radius * sin( topAngle ) * cos( (90.0+j*10.0)*M_PI/180.0 );
|
|
if( texture )
|
|
glTexCoord2f( x/(rect.width())+0.5, 0.5 - z/zTexture * 0.5 );
|
|
glVertex3f( x, yTop, z );
|
|
x = radius * sin( bottomAngle ) * sin( (90.0+j*10.0)*M_PI/180.00 );
|
|
z = radius * sin( bottomAngle ) * cos( (90.0+j*10.0)*M_PI/180.0 );
|
|
if( texture )
|
|
glTexCoord2f( x/(rect.width())+0.5, 0.5 - z/zTexture * 0.5 );
|
|
glVertex3f( x, yBottom, z );
|
|
x = radius * sin( bottomAngle ) * sin( (90.0+(j+1)*10.0)*M_PI/180.0 );
|
|
z = radius * sin( bottomAngle ) * cos( (90.0+(j+1)*10.0)*M_PI/180.0 );
|
|
if( texture )
|
|
glTexCoord2f( x/(rect.width())+0.5, 0.5 - z/zTexture * 0.5 );
|
|
glVertex3f( x, yBottom, z );
|
|
x = radius * sin( topAngle ) * sin( (90.0+(j+1)*10.0)*M_PI/180.0 );
|
|
z = radius * sin( topAngle ) * cos( (90.0+(j+1)*10.0)*M_PI/180.0 );
|
|
if( texture )
|
|
glTexCoord2f( x/(rect.width())+0.5, 0.5 - z/zTexture * 0.5 );
|
|
glVertex3f( x, yTop, z );
|
|
}
|
|
}
|
|
glEnd();
|
|
glPopMatrix();
|
|
if( texture )
|
|
{
|
|
capTexture->unbind();
|
|
}
|
|
}
|
|
|
|
|
|
} // namespace
|