WindowServer: Allow server-internal windows with alpha channel

We were not creating backing stores with alpha for server-internal
windows. There was no reason for this limitation.
This commit is contained in:
Andreas Kling 2021-11-14 11:52:47 +01:00
parent 583fbf7111
commit 9f7f7e69bb

View file

@ -147,7 +147,8 @@ void Window::set_rect(const Gfx::IntRect& rect)
if (rect.is_empty()) {
m_backing_store = nullptr;
} else if (!m_client && (!m_backing_store || old_rect.size() != rect.size())) {
m_backing_store = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRx8888, m_rect.size()).release_value_but_fixme_should_propagate_errors();
auto format = has_alpha_channel() ? Gfx::BitmapFormat::BGRA8888 : Gfx::BitmapFormat::BGRx8888;
m_backing_store = Gfx::Bitmap::try_create(format, m_rect.size()).release_value_but_fixme_should_propagate_errors();
}
invalidate(true, old_rect.size() != rect.size());