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prePaintWindow() calls of effects are now all done before anything is rendered. This is necessary e.g. for

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upcoming blur effect.
Also postPaintScreen() is now called after postPaintWindow() calls.

svn path=/branches/work/kwin_composite/; revision=658757
This commit is contained in:
Rivo Laks 2007-04-28 13:02:51 +00:00
parent 6e62dcb922
commit e85930ce1e
1 changed files with 16 additions and 8 deletions
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24
scene.cpp
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@ -114,9 +114,9 @@ void Scene::paintScreen( int* mask, QRegion* region )
paintBackground( *region );
ScreenPaintData data;
effects->paintScreen( *mask, *region, data );
effects->postPaintScreen();
foreach( Window* w, stacking_order )
effects->postPaintWindow( effectWindow( w ));
effects->postPaintScreen();
*region |= painted_region;
// make sure not to go outside of the screen area
*region &= QRegion( 0, 0, displayWidth(), displayHeight());
@ -162,6 +162,7 @@ void Scene::paintGenericScreen( int orig_mask, ScreenPaintData )
{
if( !( orig_mask & PAINT_SCREEN_BACKGROUND_FIRST ))
paintBackground( infiniteRegion());
QList< Phase2Data > phase2;
foreach( Window* w, stacking_order ) // bottom to top
{
int mask = orig_mask | ( w->isOpaque() ? PAINT_WINDOW_OPAQUE : PAINT_WINDOW_TRANSLUCENT );
@ -172,8 +173,11 @@ void Scene::paintGenericScreen( int orig_mask, ScreenPaintData )
effects->prePaintWindow( effectWindow( w ), &mask, &paint, &clip, time_diff );
if( !w->isPaintingEnabled())
continue;
paintWindow( w, mask, infiniteRegion());
phase2.append( Phase2Data( w, infiniteRegion(), mask ));
}
foreach( Phase2Data d, phase2 )
paintWindow( d.window, d.mask, d.region );
}
// The optimized case without any transformations at all.
@ -185,7 +189,8 @@ void Scene::paintSimpleScreen( int orig_mask, QRegion region )
// perhaps the two enums should be separated
assert(( orig_mask & ( PAINT_WINDOW_TRANSFORMED | PAINT_SCREEN_TRANSFORMED
| PAINT_WINDOW_TRANSLUCENT | PAINT_WINDOW_OPAQUE )) == 0 );
QList< Phase2Data > phase2;
QList< Phase2Data > phase2opaque;
QList< Phase2Data > phase2translucent;
QRegion allclips;
// Draw each opaque window top to bottom, subtracting the bounding rect of
// each window from the clip region after it's been drawn.
@ -213,25 +218,28 @@ void Scene::paintSimpleScreen( int orig_mask, QRegion region )
// If the window is transparent, the transparent part will be done
// in the 2nd pass.
if( mask & PAINT_WINDOW_TRANSLUCENT )
phase2.prepend( Phase2Data( w, paint, mask ));
phase2translucent.prepend( Phase2Data( w, paint, mask ));
if( mask & PAINT_WINDOW_OPAQUE )
{
paintWindow( w, mask, paint );
phase2opaque.append( Phase2Data( w, paint, mask ));
// The window can clip by its opaque parts the windows below.
region -= clip;
allclips |= clip;
}
}
// Do the actual painting
// First opaque windows, top to bottom
foreach( Phase2Data d, phase2opaque )
paintWindow( d.window, d.mask, d.region );
if( !( orig_mask & PAINT_SCREEN_BACKGROUND_FIRST ))
paintBackground( region ); // Fill any areas of the root window not covered by windows
// Now walk the list bottom to top, drawing translucent windows.
// That we draw bottom to top is important now since we're drawing translucent objects
// and also are clipping only by opaque windows.
QRegion add_paint;
foreach( Phase2Data d, phase2 )
foreach( Phase2Data d, phase2translucent )
{
Window* w = d.window;
paintWindow( w, d.mask, d.region | add_paint );
paintWindow( d.window, d.mask, d.region | add_paint );
// It is necessary to also add paint regions of windows below, because their
// pre-paint's might have extended the paint area, so those areas need to be painted too.
add_paint |= d.region;