1 files changed, 4 insertions, 1 deletions
diff --git a/src/platformsupport/fbconvenience/qfbscreen.cpp b/src/platformsupport/fbconvenience/qfbscreen.cpp
index ee8183c896..01de2a59b2 100644
--- a/src/platformsupport/fbconvenience/qfbscreen.cpp
+++ b/src/platformsupport/fbconvenience/qfbscreen.cpp
@@ -237,6 +237,7 @@ QRegion QFbScreen::doRedraw()
 
     if (!mCompositePainter)
         mCompositePainter = new QPainter(mScreenImage);
+
     for (int rectIndex = 0; rectIndex < mRepaintRegion.rectCount(); rectIndex++) {
         QRegion rectRegion = rects[rectIndex];
 
@@ -254,7 +255,8 @@ QRegion QFbScreen::doRedraw()
             for (const QRect &rect : intersect) {
                 bool firstLayer = true;
                 if (layer == -1) {
-                    mCompositePainter->fillRect(rect, Qt::black);
+                    mCompositePainter->setCompositionMode(QPainter::CompositionMode_Source);
+                    mCompositePainter->fillRect(rect, mScreenImage->hasAlphaChannel() ? Qt::transparent : Qt::black);
                     firstLayer = false;
                     layer = mWindowStack.size() - 1;
                 }
@@ -287,6 +289,7 @@ QRegion QFbScreen::doRedraw()
 
     QRect cursorRect;
     if (mCursor && (mCursor->isDirty() || mRepaintRegion.intersects(mCursor->lastPainted()))) {
+        mCompositePainter->setCompositionMode(QPainter::CompositionMode_SourceOver);
         cursorRect = mCursor->drawCursor(*mCompositePainter);
         touchedRegion += cursorRect;
     }