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[feat] add OpenGL NV12 underlay rendering for Slint on Windows

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This commit is contained in:
dijunkun
2026-08-25 02:16:14 +08:00
parent 20f8137df2
commit 0d9d385d10
11 changed files with 1150 additions and 61 deletions
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src/gui/runtime/peer_event_handler.cpp
+35 -20
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@@ -16,6 +16,9 @@
#include "file_transfer.h"
#include "localization.h"
#include "platform.h"
#if defined(_WIN32)
#include "platform/windows_opengl_video_renderer.h"
#endif
#ifdef __APPLE__
#include "platform/metal_video_renderer.h"
#endif
@@ -316,22 +319,29 @@ void PeerEventHandler::OnConnectionStatus(ConnectionStatus status,
props->enable_mouse_control_ = false;
runtime->ResetRemoteServiceStatus(*props);
#ifdef __APPLE__
std::shared_ptr<std::vector<unsigned char>> metal_snapshot;
int metal_snapshot_width = 0;
int metal_snapshot_height = 0;
bool needs_metal_snapshot = false;
#if defined(__APPLE__) || defined(_WIN32)
std::shared_ptr<std::vector<unsigned char>> native_snapshot;
int native_snapshot_width = 0;
int native_snapshot_height = 0;
bool needs_native_snapshot = false;
{
std::lock_guard<std::mutex> lock(props->video_frame_mutex_);
needs_metal_snapshot = !props->thumbnail_frame_ ||
props->thumbnail_frame_->empty();
needs_native_snapshot = !props->thumbnail_frame_ ||
props->thumbnail_frame_->empty();
}
if (needs_metal_snapshot && runtime->mac_metal_video_renderer_) {
if (needs_native_snapshot) {
#if defined(_WIN32)
auto* native_renderer =
runtime->windows_opengl_video_renderer_.get();
#else
auto* native_renderer = runtime->mac_metal_video_renderer_.get();
#endif
auto snapshot = std::make_shared<std::vector<unsigned char>>();
if (runtime->mac_metal_video_renderer_->CopyLatestNv12(
remote_id, snapshot.get(), &metal_snapshot_width,
&metal_snapshot_height)) {
metal_snapshot = std::move(snapshot);
if (native_renderer && native_renderer->CopyLatestNv12(
remote_id, snapshot.get(),
&native_snapshot_width,
&native_snapshot_height)) {
native_snapshot = std::move(snapshot);
}
}
#endif
@@ -339,12 +349,12 @@ void PeerEventHandler::OnConnectionStatus(ConnectionStatus status,
std::lock_guard<std::mutex> lock(props->video_frame_mutex_);
props->front_frame_.reset();
props->back_frame_.reset();
#ifdef __APPLE__
if (metal_snapshot &&
#if defined(__APPLE__) || defined(_WIN32)
if (native_snapshot &&
(!props->thumbnail_frame_ || props->thumbnail_frame_->empty())) {
props->thumbnail_frame_ = std::move(metal_snapshot);
props->thumbnail_width_ = metal_snapshot_width;
props->thumbnail_height_ = metal_snapshot_height;
props->thumbnail_frame_ = std::move(native_snapshot);
props->thumbnail_width_ = native_snapshot_width;
props->thumbnail_height_ = native_snapshot_height;
}
#endif
props->video_width_ = 0;
@@ -353,9 +363,14 @@ void PeerEventHandler::OnConnectionStatus(ConnectionStatus status,
props->render_rect_dirty_ = true;
props->stream_cleanup_pending_ = true;
}
#ifdef __APPLE__
if (runtime->mac_metal_video_renderer_) {
runtime->mac_metal_video_renderer_->DiscardStream(remote_id);
#if defined(__APPLE__) || defined(_WIN32)
#if defined(_WIN32)
auto* native_renderer = runtime->windows_opengl_video_renderer_.get();
#else
auto* native_renderer = runtime->mac_metal_video_renderer_.get();
#endif
if (native_renderer) {
native_renderer->DiscardStream(remote_id);
runtime->video_frame_dirty_.store(true,
std::memory_order_release);
}