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123 lines
3.8 KiB
123 lines
3.8 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) 2008 Martin Gräßlin <ubuntu@martin-graesslin.com> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*********************************************************************/ |
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#include "cube.h" |
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#include "cylinder.h" |
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#include <kdebug.h> |
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#include <KStandardDirs> |
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#include <math.h> |
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#include <GL/gl.h> |
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namespace KWin |
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{ |
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KWIN_EFFECT( cylinder, CylinderEffect ) |
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CylinderEffect::CylinderEffect() |
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: CubeEffect() |
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, mInited( false ) |
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, mValid( true ) |
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, mShader( 0 ) |
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{ |
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} |
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CylinderEffect::~CylinderEffect() |
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{ |
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delete mShader; |
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} |
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bool CylinderEffect::loadData() |
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{ |
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mInited = true; |
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QString fragmentshader = KGlobal::dirs()->findResource("data", "kwin/cylinder.frag"); |
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QString vertexshader = KGlobal::dirs()->findResource("data", "kwin/cylinder.vert"); |
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if(fragmentshader.isEmpty() || vertexshader.isEmpty()) |
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{ |
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kError() << "Couldn't locate shader files" << endl; |
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return false; |
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} |
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mShader = new GLShader(vertexshader, fragmentshader); |
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if(!mShader->isValid()) |
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{ |
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kError() << "The shader failed to load!" << endl; |
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return false; |
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} |
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else |
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{ |
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mShader->bind(); |
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mShader->setUniform( "winTexture", 0 ); |
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mShader->setUniform( "opacity", cubeOpacity ); |
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QRect rect = effects->clientArea( FullArea, effects->activeScreen(), effects->currentDesktop()); |
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mShader->setUniform( "width", (float)rect.width() ); |
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mShader->setUniform( "origWidth", (float) (2.0 * xmax * ( zNear*2+1 + 1.0f * 0.8f ) * tan( fovy * M_PI / 360.0f )/ymax) ); |
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mShader->unbind(); |
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} |
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return true; |
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} |
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void CylinderEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time ) |
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{ |
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if( activated ) |
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{ |
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if( cube_painting ) |
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{ |
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if( w->isOnDesktop( painting_desktop )) |
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{ |
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data.quads = data.quads.makeGrid( 40 ); |
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w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP ); |
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} |
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else |
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{ |
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w->disablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP ); |
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} |
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} |
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} |
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effects->prePaintWindow( w, data, time ); |
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} |
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void CylinderEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data ) |
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{ |
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if( activated && cube_painting ) |
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{ |
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if( mValid && !mInited ) |
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mValid = loadData(); |
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bool useShader = mValid; |
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if( useShader ) |
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{ |
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mShader->bind(); |
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mShader->setUniform( "windowWidth", (float)w->width() ); |
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mShader->setUniform( "windowHeight", (float)w->height() ); |
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mShader->setUniform( "xCoord", (float)w->x() ); |
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mShader->setUniform( "cubeAngle", (effects->numberOfDesktops() - 2 )/(float)effects->numberOfDesktops() * 180.0f ); |
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data.shader = mShader; |
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} |
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CubeEffect::paintWindow( w, mask, region, data ); |
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if( useShader ) |
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{ |
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mShader->unbind(); |
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} |
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} |
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else |
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effects->paintWindow( w, mask, region, data ); |
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} |
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} // namespace
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