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WindowServer: Fix Clang crash when compiling Compositor.cpp

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Due to a bug in Clang 12, the compilation would fail with an 'unexpected
end-of-file' error when it encounters some of the nested generic lambdas
in `Compositor.cpp`.

Co-authored-by: Peter Bindels <dascandy@gmail.com>
This commit is contained in:
Daniel Bertalan 2021-07-31 14:47:49 +02:00 committed by Andreas Kling
parent 347c3361ee
commit f94532ea4e
Notes: sideshowbarker 2024-07-18 07:16:45 +09:00 
Author: https://github.com/BertalanD
Commit: https://github.com/SerenityOS/serenity/commit/f94532ea4e4
Pull-request: https://github.com/SerenityOS/serenity/pull/8718
Issue: https://github.com/SerenityOS/serenity/issues/363
Reviewed-by: https://github.com/gunnarbeutner ✅
Reviewed-by: https://github.com/nico
1 changed files with 17 additions and 16 deletions
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33
Userland/Services/WindowServer/Compositor.cpp
View file

@ -322,32 +322,33 @@ void Compositor::compose()
{
// Paint any desktop wallpaper rects that are not somehow underneath any window transparency
// rects and outside of any opaque window areas
auto paint_desktop_wallpaper = [&]<bool is_opaque>(const Gfx::IntRect& render_rect) {
m_opaque_wallpaper_rects.for_each_intersected(dirty_screen_rects, [&](auto& render_rect) {
Screen::for_each([&](auto& screen) {
auto screen_rect = screen.rect();
auto screen_render_rect = screen_rect.intersected(render_rect);
if (!screen_render_rect.is_empty()) {
if constexpr (is_opaque) {
dbgln_if(COMPOSE_DEBUG, " render wallpaper opaque: {} on screen #{}", screen_render_rect, screen.index());
prepare_rect(screen, render_rect);
auto& back_painter = *screen.compositor_screen_data().m_back_painter;
paint_wallpaper(screen, back_painter, render_rect, screen_rect);
} else {
dbgln_if(COMPOSE_DEBUG, " render wallpaper transparent: {} on screen #{}", screen_render_rect, screen.index());
prepare_transparency_rect(screen, render_rect);
auto& temp_painter = *screen.compositor_screen_data().m_temp_painter;
paint_wallpaper(screen, temp_painter, render_rect, screen_rect);
}
dbgln_if(COMPOSE_DEBUG, " render wallpaper opaque: {} on screen #{}", screen_render_rect, screen.index());
prepare_rect(screen, render_rect);
auto& back_painter = *screen.compositor_screen_data().m_back_painter;
paint_wallpaper(screen, back_painter, render_rect, screen_rect);
}
return IterationDecision::Continue;
});
return IterationDecision::Continue;
};
m_opaque_wallpaper_rects.for_each_intersected(dirty_screen_rects, [&](auto& render_rect) {
return paint_desktop_wallpaper.template operator()<true>(render_rect);
});
m_transparent_wallpaper_rects.for_each_intersected(dirty_screen_rects, [&](auto& render_rect) {
return paint_desktop_wallpaper.template operator()<false>(render_rect);
Screen::for_each([&](auto& screen) {
auto screen_rect = screen.rect();
auto screen_render_rect = screen_rect.intersected(render_rect);
if (!screen_render_rect.is_empty()) {
dbgln_if(COMPOSE_DEBUG, " render wallpaper transparent: {} on screen #{}", screen_render_rect, screen.index());
prepare_transparency_rect(screen, render_rect);
auto& temp_painter = *screen.compositor_screen_data().m_temp_painter;
paint_wallpaper(screen, temp_painter, render_rect, screen_rect);
}
return IterationDecision::Continue;
});
return IterationDecision::Continue;
});
}