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Everywhere: Use IOSurface as backing store on macOS

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Using mmap-allocated memory for backing stores does not allow us to
benefit from using GPU-accelerated painting, because all the performance
increase we get is mostly negated by reading the GPU-allocated texture
back into RAM, so it can be shared with the browser process.

With IOSurface, we get a framebuffer that is both shareable between
processes and can be used as underlying memory for an OpenGL/Metal
texture.

This change does not yet benefit from using IOSurface and merely wraps
them into Gfx::Bitmap to be used by the CPU painter.
This commit is contained in:
Aliaksandr Kalenik 2024-06-20 21:34:51 +03:00 • committed by Andreas Kling
parent e37071ae05
commit c92f8ab1ea
Notes: sideshowbarker 2024-07-16 20:51:53 +09:00
15 changed files with 266 additions and 56 deletions
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17
Userland/Libraries/LibWebView/WebContentClient.cpp
View file

@ -11,12 +11,29 @@
namespace WebView {
static HashTable<WebContentClient*> s_clients;
Optional<ViewImplementation&> WebContentClient::view_for_pid_and_page_id(pid_t pid, u64 page_id)
{
for (auto* client : s_clients) {
if (client->m_process_handle.pid == pid)
return client->view_for_page_id(page_id);
}
return {};
}
WebContentClient::WebContentClient(NonnullOwnPtr<Core::LocalSocket> socket, ViewImplementation& view)
: IPC::ConnectionToServer<WebContentClientEndpoint, WebContentServerEndpoint>(*this, move(socket))
{
s_clients.set(this);
m_views.set(0, &view);
}
WebContentClient::~WebContentClient()
{
s_clients.remove(this);
}
void WebContentClient::die()
{
VERIFY(on_web_content_process_crash);