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Nicer handling of second phase painting.

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svn path=/branches/work/kwin_composite/; revision=591144
This commit is contained in:
Luboš Luňák 2006-10-01 21:12:58 +00:00
parent a283f9f9c0
commit b59701f608
1 changed files with 7 additions and 11 deletions
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18
scene_opengl.cpp
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@ -125,6 +125,7 @@ void SceneOpenGL::paint( QRegion, ToplevelList windows )
glClearColor( 0, 0, 0, 1 );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
int depth = 0;
QList< Window* > phase2;
for( int i = windows.count() - 1; // top to bottom
i >= 0;
--i )
@ -136,24 +137,19 @@ void SceneOpenGL::paint( QRegion, ToplevelList windows )
if( !w.isVisible())
continue;
if( !w.isOpaque())
{
phase2.prepend( w );
continue;
}
w.bindTexture();
w.draw();
}
for( int i = 0;
i < windows.count();
++i )
foreach( Window* w2, phase2 )
{
Toplevel* c = windows[ i ];
assert( this->windows.contains( c ));
Window& w = this->windows[ c ];
if( !w.isVisible())
continue;
if( w.isOpaque())
continue;
w.bindTexture();
Window& w = *w2;
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
w.bindTexture();
w.draw();
glDisable( GL_BLEND );
}