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FlipSwitch supports MultiScreen with GLES.

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This commit is contained in:
Martin Gräßlin 2011-01-16 14:38:35 +01:00
parent d9fb2bd789
commit 8d46c978aa
1 changed files with 35 additions and 14 deletions
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49
effects/flipswitch/flipswitch.cpp
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@ -21,6 +21,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <kwinconfig.h>
#include <QFont>
#include <QMatrix4x4>
#include <kconfiggroup.h>
#include <kdebug.h>
@ -234,15 +235,13 @@ void FlipSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData& d
// multiscreen part taken from coverswitch.cpp
// TODO: move to kwinglutils
QMatrix4x4 origProjection;
QMatrix4x4 origModelview;
ShaderManager *shaderManager = ShaderManager::instance();
if( effects->numScreens() > 1 )
{
// TODO: GLES variant
#ifndef KWIN_HAVE_OPENGLES
// unfortunatelly we have to change the projection matrix in dual screen mode
QRect fullRect = effects->clientArea( FullArea, effects->activeScreen(), effects->currentDesktop() );
glMatrixMode( GL_PROJECTION );
glPushMatrix();
glLoadIdentity();
float fovy = 60.0f;
float aspect = 1.0f;
float zNear = 0.1f;
@ -285,12 +284,27 @@ void FlipSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData& d
ymaxFactor = ((float)fullRect.height()-(float)m_screenArea.height()*0.5f)/((float)fullRect.height()*0.5f);
yTranslate = (float)fullRect.height()*0.5f-(float)m_screenArea.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
}
}
int winMask = PAINT_WINDOW_TRANSFORMED | PAINT_WINDOW_TRANSLUCENT;
RotationData rot;
@ -402,14 +416,21 @@ void FlipSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData& d
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
}
}
if( m_windowTitle )
{