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[feat] add native Metal video rendering for Slint on macOS

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This commit is contained in:
dijunkun
2026-08-25 00:41:18 +08:00
parent 3f93dc05aa
commit 29aae747c6
18 changed files with 2193 additions and 431 deletions
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src/gui/runtime/connection_runtime.cpp
+36
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@@ -11,6 +11,9 @@
#include "display_stream_id.h"
#include "localization.h"
#include "platform.h"
#ifdef __APPLE__
#include "platform/metal_video_renderer.h"
#endif
#include "rd_log.h"
#include "runtime/gui_runtime.h"
@@ -223,7 +226,27 @@ void GuiRuntime::CloseRemoteSession(std::shared_ptr<RemoteSession> props) {
frame_snapshot = props->front_frame_;
video_width = props->video_width_;
video_height = props->video_height_;
#ifdef __APPLE__
if ((!frame_snapshot || frame_snapshot->empty()) &&
props->thumbnail_frame_ && !props->thumbnail_frame_->empty()) {
frame_snapshot = props->thumbnail_frame_;
video_width = props->thumbnail_width_;
video_height = props->thumbnail_height_;
}
#endif
}
#ifdef __APPLE__
if ((!frame_snapshot || frame_snapshot->empty()) &&
mac_metal_video_renderer_) {
auto metal_snapshot =
std::make_shared<std::vector<unsigned char>>();
if (mac_metal_video_renderer_->CopyLatestNv12(
props->remote_id_, metal_snapshot.get(), &video_width,
&video_height)) {
frame_snapshot = std::move(metal_snapshot);
}
}
#endif
if (frame_snapshot && !frame_snapshot->empty() && video_width > 0 &&
video_height > 0) {
@@ -247,6 +270,13 @@ void GuiRuntime::CloseRemoteSession(std::shared_ptr<RemoteSession> props) {
}
}
#ifdef __APPLE__
if (mac_metal_video_renderer_) {
mac_metal_video_renderer_->DiscardStream(props->remote_id_);
video_frame_dirty_.store(true, std::memory_order_release);
}
#endif
if (props->peer_) {
LOG_INFO("[{}] Leave connection [{}]", props->local_id_, props->remote_id_);
LeaveConnection(props->peer_, props->remote_id_.c_str());
@@ -307,6 +337,12 @@ void GuiRuntime::ResetRemoteSessionResources(
std::lock_guard<std::mutex> lock(props->video_frame_mutex_);
props->front_frame_.reset();
props->back_frame_.reset();
#ifdef __APPLE__
props->thumbnail_frame_.reset();
props->thumbnail_width_ = 0;
props->thumbnail_height_ = 0;
props->background_snapshot_time_ = {};
#endif
props->video_width_ = 0;
props->video_height_ = 0;
props->video_size_ = 0;