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WindowServer: Ignore overlap when compositing full-screen windows

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Normally we walk the window stack to see if a given dirty rect is
covered by an opaque window. When the active window is full-screened,
we can skip this check and just unconditionally paint the window.

This fixes an issue where windows with higher inherent z-order (like
the taskbar and menu windows) would get cursor ghosting in them while
a normal window was full-screened.

Fixes #2289.
This commit is contained in:
Andreas Kling 2020-05-19 17:59:13 +02:00
parent 6d078a9ec3
commit c1827d9766
Notes: sideshowbarker 2024-07-19 06:23:33 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/c1827d97661
1 changed files with 1 additions and 1 deletions
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2
Services/WindowServer/Compositor.cpp
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@ -172,7 +172,7 @@ void Compositor::compose()
m_back_painter->add_clip_rect(window.frame().rect());
RefPtr<Gfx::Bitmap> backing_store = window.backing_store();
for (auto& dirty_rect : dirty_rects.rects()) {
if (wm.any_opaque_window_above_this_one_contains_rect(window, dirty_rect))
if (!window.is_fullscreen() && wm.any_opaque_window_above_this_one_contains_rect(window, dirty_rect))
continue;
Gfx::PainterStateSaver saver(*m_back_painter);
m_back_painter->add_clip_rect(dirty_rect);