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CoverSwitch supports multi screen in GLES.

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This commit is contained in:
Martin Gräßlin 2011-01-16 14:54:05 +01:00
parent 8d46c978aa
commit ccd0cae094
1 changed files with 34 additions and 18 deletions
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52
effects/coverswitch/coverswitch.cpp
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@ -134,14 +134,13 @@ void CoverSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData&
if( mActivated || stop || stopRequested )
{
QMatrix4x4 origProjection;
QMatrix4x4 origModelview;
ShaderManager *shaderManager = ShaderManager::instance();
if( effects->numScreens() > 1 )
{
#ifndef KWIN_HAVE_OPENGLES
// unfortunatelly we have to change the projection matrix in dual screen mode
QRect fullRect = effects->clientArea( FullArea, activeScreen, effects->currentDesktop() );
glMatrixMode( GL_PROJECTION );
glPushMatrix();
glLoadIdentity();
float fovy = 60.0f;
float aspect = 1.0f;
float zNear = 0.1f;
@ -184,12 +183,27 @@ void CoverSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData&
ymaxFactor = ((float)fullRect.height()-(float)area.height()*0.5f)/((float)fullRect.height()*0.5f);
yTranslate = (float)fullRect.height()*0.5f-(float)area.height()*0.5f;
}
glFrustum( xmin*xminFactor, xmax*xmaxFactor, ymin*yminFactor, ymax*ymaxFactor, zNear, zFar );
glMatrixMode( GL_MODELVIEW );
glPushMatrix();
glTranslatef( xTranslate, yTranslate, 0.0 );
QMatrix4x4 projection;
projection.frustum(xmin*xminFactor, xmax*xmaxFactor, ymin*yminFactor, ymax*ymaxFactor, zNear, zFar);
QMatrix4x4 modelview;
modelview.translate(xTranslate, yTranslate, 0.0);
if (shaderManager->isShaderBound()) {
GLShader *shader = shaderManager->pushShader(ShaderManager::GenericShader);
origProjection = shader->getUniformMatrix4x4("projection");
origModelview = shader->getUniformMatrix4x4("modelview");
shader->setUniform("projection", projection);
shader->setUniform("modelview", origModelview*modelview);
shaderManager->popShader();
} else {
#ifndef KWIN_HAVE_OPENGLES
glMatrixMode(GL_PROJECTION);
pushMatrix();
loadMatrix(projection);
glMatrixMode(GL_MODELVIEW);
pushMatrix(modelview);
#endif
}
}
QList< EffectWindow* > tempList = currentWindowList;
int index = tempList.indexOf( selected_window );
@ -304,14 +318,9 @@ void CoverSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData&
glScissor( area.x(), y, area.width(), area.height() );
glEnable( GL_SCISSOR_TEST );
ShaderManager *shaderManager = ShaderManager::instance();
if (shaderManager->isValid() && m_reflectionShader->isValid()) {
shaderManager->pushShader(m_reflectionShader);
QMatrix4x4 windowTransformation;
if (effects->numScreens() > 1 && area.x() != fullRect.x()) {
// have to change the reflection area in horizontal layout and right screen
windowTransformation.translate(-area.x(), 0.0, 0.0);
}
windowTransformation.translate(area.x() + area.width()*0.5f, 0.0, 0.0);
m_reflectionShader->setUniform("windowTransformation", windowTransformation);
m_reflectionShader->setUniform("u_frontColor", QVector4D(mirrorColor[0][0], mirrorColor[0][1], mirrorColor[0][2], mirrorColor[0][3]));
@ -368,14 +377,21 @@ void CoverSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData&
if( effects->numScreens() > 1 )
{
if (shaderManager->isShaderBound()) {
GLShader *shader = shaderManager->pushShader(ShaderManager::GenericShader);
shader->setUniform("projection", origProjection);
shader->setUniform("modelview", origModelview);
shaderManager->popShader();
} else {
#ifndef KWIN_HAVE_OPENGLES
glPopMatrix();
// revert change of projection matrix
glMatrixMode( GL_PROJECTION );
glPopMatrix();
glMatrixMode( GL_MODELVIEW );
popMatrix();
// revert change of projection matrix
glMatrixMode(GL_PROJECTION);
popMatrix();
glMatrixMode(GL_MODELVIEW);
#endif
}
}
// Render the caption frame
if (windowTitle)