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vbox6: clear screen on guest triggered blanking

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An invalid bitmap is exactly once set during blanking, use this as hint
to clear the GUI content. Same as done in vbox5.

Fixes #5263
This commit is contained in:
Alexander Boettcher 2024-07-26 14:54:45 +02:00 committed by Christian Helmuth
parent f552b26fb9
commit 56ee01bc8c
1 changed files with 1 additions and 0 deletions
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repos/ports/src/virtualbox6/include/fb.h
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@ -214,6 +214,7 @@ class Genodefb :
Lock(); Lock();
if (_display_bitmap.isNull()) { if (_display_bitmap.isNull()) {
_clear_screen();
Unlock(); Unlock();
return S_OK; return S_OK;
} }