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video: stop frameskipping constantly on screenless systems with frameskip=0 (nw)

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hap 2019-02-15 01:45:24 +01:00
parent 24e156ac48
commit 33383cdaa7
1 changed files with 3 additions and 2 deletions
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5
src/emu/video.cpp
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@ -849,9 +849,10 @@ bool video_manager::finish_screen_updates()
for (screen_device &screen : iter)
screen.update_partial(screen.visible_area().max_y);
// now add the quads for all the screens
bool anything_changed = m_output_changed;
bool anything_changed = (iter.count() == 0) || m_output_changed;
m_output_changed = false;
// now add the quads for all the screens
for (screen_device &screen : iter)
if (screen.update_quads())
anything_changed = true;