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3d027967b9199d4e186b84b7999fe079292ed3ad
Renderive/Core/plot/Plot_Core.cpp
T
psc 3d027967b9 名称优化
2026-08-02 03:43:39 +08:00

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#include "Plot_Core.h"
#include "Plot_Frame_Pipeline.h"
#include "../architecture/Renderable.h"
#include "../architecture/Render_Time.h"
#include "../architecture/Update_Completion.h"
#include "../base/global.h"
#include "../render/Canvas.h"
#include <algorithm>
#include <memory>
#include <utility>
namespace renderive {
class Plot_Core_Private;
struct Frame_Render_Job {
std::shared_ptr<Plot_Core_Private> owner;
std::uint64_t generation{};
Plot_Frame_Lease frame_lease;
Plot_Frame* buffer{};
std::shared_ptr<Frame_Lifecycle_Record> lifecycle;
Plot_Render_Snapshot render_snapshot;
Renderable_Tree_Snapshot renderables;
std::shared_ptr<Frame_Worker_Stats> worker_stat;
};
class Plot_Core_Private final : public std::enable_shared_from_this<Plot_Core_Private> {
public:
explicit Plot_Core_Private(std::unique_ptr<Refresh_Strategy> s)
: strategy(std::move(s)) {}
~Plot_Core_Private() = default;
bool render_enabled() const {
return rendering.load(std::memory_order_acquire);
}
bool destroying() const {
return destroying_flag.load(std::memory_order_acquire);
}
Refresh_Runtime_Snapshot refresh_runtime_snapshot(std::uint64_t now_ns = steady_now_ns()) const {
return {
render_enabled(),
destroying(),
pipeline.has_unrendered_edit(),
pipeline.render_job_state != Frame_Job_State::Idle,
pipeline.middle_frame_ready(),
pipeline.painting_frame_in_use(),
now_ns
};
}
bool submit_render_once() {
if (!rendering.load(std::memory_order_acquire) || destroying_flag.load(std::memory_order_acquire))
return false;
if (!root)
return false;
Size size{
context->render_width.load(std::memory_order_acquire),
context->render_height.load(std::memory_order_acquire)
};
if (size.empty())
return false;
auto frame_lease = pipeline.try_acquire_render_frame();
if (!frame_lease)
return false;
Plot_Frame* buffer = frame_lease.frame;
cancel_update_states(buffer->presented_update_states);
std::uint64_t render_role_enter_ns = buffer->metadata ? buffer->metadata->render_role_enter_ns : 0;
buffer->metadata = std::make_shared<Frame_Lifecycle_Record>();
auto frame_record = buffer->metadata;
Frame_Lifecycle_Record& frame = *frame_record;
std::uint64_t submit_time = steady_now_ns();
frame.frame_id = ++next_frame_id;
frame.input_version = pipeline.edit_version.load(std::memory_order_acquire);
frame.render_request_ns = submit_time;
frame.render_role_enter_ns = render_role_enter_ns ? render_role_enter_ns : submit_time;
frame.core_data_time_ns = latest_input_time_ns.load(std::memory_order_acquire);
frame.raw_input_count = pending_input_count.exchange(0, std::memory_order_acq_rel);
frame.pixel_width = static_cast<std::uint64_t>(size.width);
frame.pixel_height = static_cast<std::uint64_t>(size.height);
frame.viewport_version = context->viewport_version.load(std::memory_order_acquire);
frame.wait_21_ns = submit_time > frame.render_role_enter_ns ? submit_time - frame.render_role_enter_ns : 0;
frame.render_begin_ns = submit_time;
std::uint64_t previous_render_state_version = pipeline.rendered_edit_version;
pipeline.render_job_state = Frame_Job_State::Running;
pipeline.rendered_edit_version = frame.input_version;
auto job = std::make_shared<Frame_Render_Job>();
job->owner = shared_from_this();
job->generation = generation.load(std::memory_order_acquire);
job->frame_lease = std::move(frame_lease);
job->buffer = buffer;
job->lifecycle = frame_record;
job->worker_stat = std::make_shared<Frame_Worker_Stats>();
job->render_snapshot.context = context;
job->render_snapshot.size = size;
job->render_snapshot.background_color = background_color();
job->render_snapshot.previous_frame_time_ns = previous_frame_time_ns;
job->render_snapshot.frame_time_ns = submit_time;
job->render_snapshot.frame_metadata = frame_record.get();
job->render_snapshot.frame_update_states = &buffer->presented_update_states;
previous_frame_time_ns = submit_time;
job->renderables = renderable_tree_snapshot();
auto& scheduler = Global::instance()->render_scheduler();
bool submitted = scheduler.try_submit_render_task(Render_Executor_Task{
plot_execution_id,
frame.frame_id,
Render_Task_Kind::Frame,
Task{},
[job](tf::Taskflow& taskflow, tf::Task entry, tf::Task exit) {
auto prepare = taskflow.emplace([job]() {
job->owner->prepare_frame_job(job);
});
auto draw = taskflow.emplace([job]() {
job->owner->draw_frame_job(job);
});
auto finalize = taskflow.emplace([job]() {
job->owner->finalize_frame_job(job);
});
entry.precede(prepare);
prepare.precede(draw);
draw.precede(finalize);
finalize.precede(exit);
},
Task([job]() {
Global::instance()->render_scheduler().post([job]() {
job->owner->complete_frame_job(job);
});
}),
job->worker_stat,
3,
true
});
if (submitted)
return true;
frame.outcome = Frame_Outcome::Worker_Budget_Dropped;
frame.worker.rejected_task_count++;
job->frame_lease.reset();
pipeline.rendered_edit_version = previous_render_state_version;
pipeline.render_job_state = Frame_Job_State::Idle;
collect_frame(frame_record);
trigger_refresh_strategy(Refresh_Trigger::Render_Finished, &frame);
return false;
}
static bool frame_job_valid(const std::shared_ptr<Frame_Render_Job>& job) {
return job && job->buffer && job->lifecycle && job->render_snapshot.context && !job->render_snapshot.destroying();
}
void prepare_frame_job(const std::shared_ptr<Frame_Render_Job>& job) {
if (!frame_job_valid(job))
return;
Frame_Lifecycle_Record& frame = *job->lifecycle;
frame.prepare_begin_ns = steady_now_ns();
for (const auto& node : job->renderables) {
const auto& renderable = node.renderable;
if (!renderable || !renderable->should_prepare())
continue;
renderable->prepare_data(job->render_snapshot);
++frame.prepared_output_count;
}
frame.prepare_end_ns = steady_now_ns();
job->render_snapshot.context->first_prepare_data.store(false, std::memory_order_release);
}
void draw_frame_job(const std::shared_ptr<Frame_Render_Job>& job) {
if (!frame_job_valid(job) || !job->lifecycle->prepare_end_ns)
return;
Frame_Lifecycle_Record& frame = *job->lifecycle;
job->buffer->image.resize(job->render_snapshot.size.width, job->render_snapshot.size.height);
job->buffer->image.fill(job->render_snapshot.background_color);
Canvas canvas(job->buffer->image);
frame.draw_begin_ns = steady_now_ns();
if (!job->renderables.empty() && job->renderables.front().renderable)
job->renderables.front().renderable->render_tree_snapshot(canvas, job->render_snapshot, job->renderables, 0);
frame.draw_end_ns = steady_now_ns();
frame.render_end_ns = steady_now_ns();
}
void finalize_frame_job(const std::shared_ptr<Frame_Render_Job>& job) {
if (!frame_job_valid(job) || !job->lifecycle->render_end_ns)
return;
Frame_Lifecycle_Record& frame = *job->lifecycle;
job->buffer->version.store(frame.frame_id, std::memory_order_release);
for (const auto& update_state : job->buffer->presented_update_states) {
if (update_state)
update_state->complete_until(Update_Stage::Rendered);
}
}
void execute_frame_job(const std::shared_ptr<Frame_Render_Job>& job) {
if (!job || !job->buffer || !job->lifecycle || !job->render_snapshot.context || job->render_snapshot.destroying())
return;
prepare_frame_job(job);
draw_frame_job(job);
finalize_frame_job(job);
}
void complete_frame_job(const std::shared_ptr<Frame_Render_Job>& job) {
if (!job || !job->buffer || !job->lifecycle)
return;
Frame_Lifecycle_Record& frame = *job->lifecycle;
if (job->worker_stat)
frame.worker = *job->worker_stat;
bool valid_generation = job->generation == generation.load(std::memory_order_acquire);
bool valid_context = !destroying_flag.load(std::memory_order_acquire) && context && !context->destroying.load(std::memory_order_acquire);
job->frame_lease.reset();
if (!valid_generation || !valid_context || !frame.render_end_ns) {
frame.outcome = Frame_Outcome::Cancelled;
pipeline.render_job_state = Frame_Job_State::Idle;
supersede_update_states(job->buffer->presented_update_states);
trigger_refresh_strategy(Refresh_Trigger::Render_Finished, &frame);
return;
}
auto publish_result = pipeline.try_publish_rendered_frame(steady_now_ns());
if (publish_result.superseded_frame_record) {
trigger_refresh_strategy(Refresh_Trigger::Frame_Returned, publish_result.superseded_frame_record.get());
collect_frame(publish_result.superseded_frame_record);
}
if (publish_result.dropped_frame_record) {
collect_frame(publish_result.dropped_frame_record);
}
pipeline.render_job_state = Frame_Job_State::Idle;
if (publish_result.request_present)
request_present(publish_result.dirty_rect);
trigger_refresh_strategy(Refresh_Trigger::Render_Finished, &frame);
}
void post_scheduler_action(Task task) {
if (!task)
return;
auto guard = context;
auto action = [guard, task = std::move(task)]() mutable {
if (!guard || guard->destroying.load(std::memory_order_acquire))
return;
task();
};
auto& scheduler = Global::instance()->render_scheduler();
if (scheduler.is_scheduler_thread()) {
action();
return;
}
scheduler.post(std::move(action));
}
void trigger_refresh_strategy(Refresh_Trigger trigger, Frame_Lifecycle_Record* frame = nullptr) {
if (!strategy)
return;
std::uint64_t now_ns = steady_now_ns();
Refresh_Runtime_Snapshot runtime = refresh_runtime_snapshot(now_ns);
Refresh_Action action = strategy->on_trigger(trigger, runtime, frame);
apply_refresh_action(action, runtime);
}
void notify_input_changed(std::uint64_t now_ns) {
if (!strategy)
return;
Refresh_Runtime_Snapshot runtime = refresh_runtime_snapshot(now_ns);
Refresh_Action action = strategy->on_trigger(Refresh_Trigger::Input_Dirty, runtime, nullptr);
apply_refresh_action(action, runtime);
}
void notify_started() {
if (!strategy_started) {
strategy_started = true;
trigger_refresh_strategy(Refresh_Trigger::Started);
}
else {
trigger_refresh_strategy(Refresh_Trigger::Input_Dirty);
}
}
void notify_paused() {
invalidate_refresh_deadline();
if (!strategy_started)
return;
strategy_started = false;
trigger_refresh_strategy(Refresh_Trigger::Paused);
}
void notify_frame_returned(std::shared_ptr<Frame_Lifecycle_Record> frame) {
if (!frame)
return;
trigger_refresh_strategy(Refresh_Trigger::Frame_Returned, frame.get());
collect_frame(frame);
}
void apply_refresh_action(Refresh_Action action, const Refresh_Runtime_Snapshot& runtime) {
if (action.request_paint) {
auto update_result = pipeline.request_present(steady_now_ns());
if (update_result.request_present)
request_present(update_result.dirty_rect);
}
if (action.try_render) {
invalidate_refresh_deadline();
submit_render_once();
return;
}
if (action.render_deadline_ns) {
schedule_refresh_deadline(action.render_deadline_ns);
return;
}
if (!runtime.enabled || runtime.destroying || !runtime.dirty)
invalidate_refresh_deadline();
}
void schedule_refresh_deadline(std::uint64_t deadline_ns) {
if (deadline_ns <= steady_now_ns()) {
invalidate_refresh_deadline();
trigger_refresh_strategy(Refresh_Trigger::Timer_Fired);
return;
}
if (scheduled_refresh_deadline_ns && scheduled_refresh_deadline_ns <= deadline_ns)
return;
scheduled_refresh_deadline_ns = deadline_ns;
std::uint64_t generation = ++refresh_deadline_generation;
auto guard = context;
auto self = shared_from_this();
Global::instance()->render_scheduler().post_at(deadline_ns, [guard, self, generation, deadline_ns]() {
if (!guard || guard->destroying.load(std::memory_order_acquire))
return;
if (self->refresh_deadline_generation != generation || self->scheduled_refresh_deadline_ns != deadline_ns)
return;
self->scheduled_refresh_deadline_ns = 0;
self->trigger_refresh_strategy(Refresh_Trigger::Timer_Fired);
});
}
void invalidate_refresh_deadline() {
scheduled_refresh_deadline_ns = 0;
++refresh_deadline_generation;
}
void dispatch_event(const Event& event) {
if (!root)
return;
switch (event.type) {
case Event_Type::Pointer_Move: {
const auto& pointer_event = static_cast<const Pointer_Event&>(event);
update_hover_targets(pointer_event);
dispatch_to_renderables(root->hit_renderables(pointer_event.position), event);
break;
}
case Event_Type::Pointer_Press:
case Event_Type::Pointer_Release: {
const auto& pointer_event = static_cast<const Pointer_Event&>(event);
dispatch_to_renderables(root->hit_renderables(pointer_event.position), event);
break;
}
case Event_Type::Wheel: {
const auto& wheel_event = static_cast<const Wheel_Event&>(event);
dispatch_to_renderables(root->hit_renderables(wheel_event.position), event);
break;
}
case Event_Type::Key_Press:
case Event_Type::Key_Release:
dispatch_to_renderables(reverse_renderable_snapshot(), event);
break;
case Event_Type::Leave:
clear_hover_targets();
dispatch_to_renderables(renderable_snapshot(), event);
break;
default:
dispatch_to_renderables(renderable_snapshot(), event);
break;
}
}
std::vector<std::shared_ptr<Renderable>> renderable_snapshot() const {
std::vector<std::shared_ptr<Renderable>> result;
append_renderable_snapshot(result, root);
return result;
}
Renderable_Tree_Snapshot renderable_tree_snapshot() const {
Renderable_Tree_Snapshot result;
if (root)
root->append_tree_snapshot(result);
return result;
}
std::vector<std::shared_ptr<Renderable>> reverse_renderable_snapshot() const {
std::vector<std::shared_ptr<Renderable>> result = renderable_snapshot();
std::reverse(result.begin(), result.end());
return result;
}
void append_renderable_snapshot(std::vector<std::shared_ptr<Renderable>>& result, const std::shared_ptr<Renderable>& renderable) const {
if (!renderable)
return;
result.push_back(renderable);
for (const auto& child : renderable->children_snapshot())
append_renderable_snapshot(result, child);
}
void dispatch_to_renderables(const std::vector<std::shared_ptr<Renderable>>& renderables, const Event& event) {
for (const auto& renderable : renderables) {
if (!renderable || event.is_accepted())
break;
renderable->plot_event(event);
}
}
void update_hover_targets(const Pointer_Event& event) {
Point pos{static_cast<int>(event.position.x), static_cast<int>(event.position.y)};
std::vector<std::shared_ptr<Renderable>> hits = root->hit_renderables(event.position);
for (const auto& old_target : hover_targets) {
auto target = old_target.lock();
if (!target)
continue;
if (std::find(hits.begin(), hits.end(), target) == hits.end())
target->set_hover_state(pos, false);
}
hover_targets.clear();
hover_targets.reserve(hits.size());
for (const auto& target : hits) {
if (!target)
continue;
target->set_hover_state(pos, true);
hover_targets.push_back(target);
}
}
void clear_hover_targets() {
Point pos{};
for (const auto& old_target : hover_targets) {
if (auto target = old_target.lock())
target->set_hover_state(pos, false);
}
hover_targets.clear();
}
void request_present(Rect dirty_rect) {
if (auto target = sink.lock())
target->request_present(dirty_rect);
}
void collect_frame(std::shared_ptr<const Frame_Lifecycle_Record> frame) {
if (!frame)
return;
auto observer = std::atomic_load_explicit(&context->frame_lifecycle_observer, std::memory_order_acquire);
if (observer && observer->enabled())
observer->collect_frame(frame);
}
Color background_color() const {
Pixel p = context->background_rgba.load(std::memory_order_acquire);
return premultiplied_to_color(p);
}
std::unique_ptr<Refresh_Strategy> strategy;
std::shared_ptr<Plot_Render_Context> context = std::make_shared<Plot_Render_Context>();
std::shared_ptr<Renderable> root;
std::vector<std::weak_ptr<Renderable>> hover_targets;
Plot_Frame_Pipeline pipeline;
std::weak_ptr<Presentation_Sink> sink;
std::atomic_bool rendering{false};
std::atomic_bool destroying_flag{false};
std::atomic<std::uint64_t> latest_input_time_ns{0};
std::atomic<std::uint64_t> pending_input_count{0};
bool strategy_started{};
std::uint64_t refresh_deadline_generation{};
std::uint64_t scheduled_refresh_deadline_ns{};
std::uint64_t next_frame_id{};
std::uint64_t previous_frame_time_ns{};
Plot_Execution_Id plot_execution_id{};
std::atomic<std::uint64_t> generation{1};
};
namespace {
Plot_Execution_Id next_plot_execution_id() {
static std::atomic<Plot_Execution_Id> next_id{1};
return next_id.fetch_add(1, std::memory_order_acq_rel);
}
} // namespace
Plot_Core::Plot_Core(std::unique_ptr<Refresh_Strategy> strategy)
: d(std::make_shared<Plot_Core_Private>(std::move(strategy))) {
d->plot_execution_id = next_plot_execution_id();
d->context->owner.store(this, std::memory_order_release);
Global::instance()->render_scheduler().register_plot(this);
}
Plot_Core::~Plot_Core() {
d->destroying_flag.store(true, std::memory_order_release);
d->context->destroying.store(true, std::memory_order_release);
d->generation.fetch_add(1, std::memory_order_acq_rel);
Global::instance()->render_scheduler().remove_plot(this);
d->pipeline.cancel_all_update_states();
d->context->owner.store(nullptr, std::memory_order_release);
}
void Plot_Core::init() {
if (!d->root) {
d->root = std::make_shared<Renderable>();
d->root->set_object_name("Root_Renderable");
d->root->init_root(this);
}
d->context->first_resize.store(true, std::memory_order_release);
}
std::shared_ptr<Plot_Render_Context> Plot_Core::render_context() const {
return d->context;
}
std::shared_ptr<Renderable> Plot_Core::root_renderable() const {
return d->root;
}
std::shared_ptr<Renderable> Plot_Core::create_renderable_node(
const std::shared_ptr<Renderable>& parent, std::string object_name) {
if (!parent)
return {};
auto node = std::make_shared<Renderable>();
node->set_object_name(std::move(object_name));
node->init(parent);
return node;
}
void Plot_Core::remove_renderable(const std::shared_ptr<Renderable>& renderable) {
if (!renderable)
return;
if (renderable == d->root)
d->root.reset();
else
renderable->detach_from_parent();
mark_render_state_dirty();
}
void Plot_Core::set_background_color(Color color) {
d->context->background_rgba.store(premultiply(color), std::memory_order_release);
mark_render_state_dirty();
}
Color Plot_Core::background_color() const {
return d->background_color();
}
void Plot_Core::set_viewport_size(Size size) {
Size previous{
d->context->render_width.load(std::memory_order_acquire),
d->context->render_height.load(std::memory_order_acquire)
};
d->context->render_width.store(size.width, std::memory_order_release);
d->context->render_height.store(size.height, std::memory_order_release);
if (previous != size)
d->context->viewport_version.fetch_add(1, std::memory_order_acq_rel);
if (!size.empty())
d->context->first_resize.store(false, std::memory_order_release);
}
Size Plot_Core::viewport_size() const {
return {
d->context->render_width.load(std::memory_order_acquire),
d->context->render_height.load(std::memory_order_acquire)
};
}
void Plot_Core::dispatch_event(const Event& event) {
d->dispatch_event(event);
}
void Plot_Core::mark_render_state_dirty() {
if (d->destroying_flag.load(std::memory_order_acquire))
return;
std::uint64_t now_ns = steady_now_ns();
d->pipeline.advance_edit_version();
d->latest_input_time_ns.store(now_ns, std::memory_order_release);
d->pending_input_count.fetch_add(1, std::memory_order_relaxed);
d->post_scheduler_action([data = d, now_ns]() {
data->notify_input_changed(now_ns);
});
}
void Plot_Core::request_manual_refresh() {
if (d->destroying_flag.load(std::memory_order_acquire))
return;
d->post_scheduler_action([data = d]() {
data->trigger_refresh_strategy(Refresh_Trigger::Manual_Request);
});
}
void Plot_Core::start_render() {
if (d->destroying_flag.load(std::memory_order_acquire))
return;
d->rendering.store(true, std::memory_order_release);
d->post_scheduler_action([data = d]() {
data->notify_started();
});
}
void Plot_Core::pause_render() {
d->rendering.store(false, std::memory_order_release);
d->post_scheduler_action([data = d]() {
data->notify_paused();
});
}
bool Plot_Core::is_rendering() const {
return d->rendering.load(std::memory_order_acquire);
}
void Plot_Core::set_presentation_sink(std::weak_ptr<Presentation_Sink> sink) {
d->sink = std::move(sink);
}
Present_Frame_Lease Plot_Core::begin_present() {
Present_Frame_Lease result;
if (!d->root)
return result;
auto consumed = d->pipeline.try_acquire_paint_frame(steady_now_ns());
if (consumed.returned_frame_record) {
d->post_scheduler_action([data = d, frame = consumed.returned_frame_record]() mutable {
data->notify_frame_returned(frame);
});
}
result.is_new_frame = consumed.has_new_frame;
result.update_was_pending = consumed.present_request_was_pending;
if (consumed.lease)
result.lease_ = std::make_unique<Plot_Frame_Lease>(std::move(consumed.lease));
if (!result.new_frame() && result.request_was_pending()) {
d->post_scheduler_action([data = d]() {
data->trigger_refresh_strategy(Refresh_Trigger::Paint_Finished);
});
}
return result;
}
void Plot_Core::end_present(Present_Frame_Lease&& frame, std::uint64_t paint_begin_ns, std::uint64_t paint_end_ns) {
if (frame.lease_ && frame.lease_->frame) {
auto* rendered_frame = frame.lease_->frame;
if (rendered_frame->metadata) {
rendered_frame->metadata->paint_begin_ns = paint_begin_ns;
rendered_frame->metadata->paint_end_ns = paint_end_ns;
rendered_frame->metadata->wait_23_ns = paint_begin_ns > rendered_frame->metadata->transition_12_ns ? paint_begin_ns - rendered_frame->metadata->transition_12_ns : 0;
}
complete_update_states(rendered_frame->presented_update_states, Update_Stage::Presented);
}
frame.lease_.reset();
d->post_scheduler_action([data = d]() mutable {
data->trigger_refresh_strategy(Refresh_Trigger::Paint_Finished);
});
}
} // namespace renderive
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