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LibWeb: Fill OOPWV with the palette base color until we have pixels

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We were painting unfinished pixels while waiting for the WebContent
process to render the page. This caused OOPWV to flicker black
sometimes, which looked pretty bad.

This way we still flicker, but at least we flicker with the correct
palette color. :^)
This commit is contained in:
Andreas Kling
2020-12-29 00:44:58 +01:00
parent f06b240ce0
commit cdf87d2204
2 changed files with 12 additions and 1 deletions
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11
Libraries/LibWeb/OutOfProcessWebView.cpp
View File

@@ -31,6 +31,7 @@
#include <LibGUI/Painter.h>
#include <LibGUI/ScrollBar.h>
#include <LibGUI/Window.h>
#include <LibGfx/Palette.h>
#include <LibGfx/SystemTheme.h>
REGISTER_WIDGET(Web, OutOfProcessWebView)
@@ -76,8 +77,14 @@ void OutOfProcessWebView::paint_event(GUI::PaintEvent& event)
return;
GUI::Painter painter(*this);
painter.add_clip_rect(frame_inner_rect());
painter.add_clip_rect(event.rect());
if (!m_has_usable_bitmap) {
painter.fill_rect(frame_inner_rect(), palette().base());
return;
}
painter.add_clip_rect(frame_inner_rect());
painter.translate(frame_thickness(), frame_thickness());
ASSERT(m_front_bitmap);
@@ -92,6 +99,7 @@ void OutOfProcessWebView::resize_event(GUI::ResizeEvent& event)
m_front_bitmap = nullptr;
m_back_bitmap = nullptr;
m_has_usable_bitmap = false;
if (available_size().is_empty())
return;
@@ -143,6 +151,7 @@ void OutOfProcessWebView::theme_change_event(GUI::ThemeChangeEvent& event)
void OutOfProcessWebView::notify_server_did_paint(Badge<WebContentClient>, i32 shbuf_id)
{
if (m_back_bitmap->shbuf_id() == shbuf_id) {
m_has_usable_bitmap = true;
swap(m_back_bitmap, m_front_bitmap);
update();
}