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Apply additional fixes to servers' threading

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This commit is contained in:
Pedro J. Estébanez 2024-04-23 12:01:23 +02:00
parent 6f0760beb3
commit 1589433e8f
10 changed files with 144 additions and 143 deletions
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9
core/templates/command_queue_mt.h
View File

@ -388,6 +388,8 @@ class CommandQueueMT {
} while (sync_head != sync_head_goal); // Can't use lower-than because of wraparound.
}
void _no_op() {}
public:
void lock();
void unlock();
@ -409,10 +411,15 @@ public:
_flush();
}
}
void flush_all() {
_flush();
}
void sync() {
push_and_sync(this, &CommandQueueMT::_no_op);
}
void wait_and_flush() {
ERR_FAIL_COND(pump_task_id == WorkerThreadPool::INVALID_TASK_ID);
WorkerThreadPool::get_singleton()->wait_for_task_completion(pump_task_id);
@ -420,7 +427,9 @@ public:
}
void set_pump_task_id(WorkerThreadPool::TaskID p_task_id) {
lock();
pump_task_id = p_task_id;
unlock();
}
CommandQueueMT();

7
drivers/gles3/rasterizer_gles3.cpp
View File

@ -395,10 +395,13 @@ void RasterizerGLES3::_blit_render_target_to_screen(RID p_render_target, Display
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, GLES3::TextureStorage::system_fbo);
if (p_first) {
Size2i win_size = DisplayServer::get_singleton()->window_get_size();
if (p_screen_rect.position != Vector2() || p_screen_rect.size != rt->size) {
// Viewport doesn't cover entire window so clear window to black before blitting.
glViewport(0, 0, win_size.width, win_size.height);
// Querying the actual window size from the DisplayServer would deadlock in separate render thread mode,
// so let's set the biggest viewport the implementation supports, to be sure the window is fully covered.
GLsizei max_vp[2] = {};
glGetIntegerv(GL_MAX_VIEWPORT_DIMS, max_vp);
glViewport(0, 0, max_vp[0], max_vp[1]);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
}

46
servers/physics_server_2d_wrap_mt.cpp
View File

@ -32,45 +32,37 @@
#include "core/os/os.h"
void PhysicsServer2DWrapMT::thread_exit() {
void PhysicsServer2DWrapMT::_assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id) {
server_thread = Thread::get_caller_id();
server_task_id = p_pump_task_id;
}
void PhysicsServer2DWrapMT::_thread_exit() {
exit = true;
}
void PhysicsServer2DWrapMT::thread_step(real_t p_delta) {
physics_server_2d->step(p_delta);
step_sem.post();
}
void PhysicsServer2DWrapMT::thread_loop() {
server_thread = Thread::get_caller_id();
physics_server_2d->init();
command_queue.set_pump_task_id(server_task_id);
void PhysicsServer2DWrapMT::_thread_loop() {
while (!exit) {
WorkerThreadPool::get_singleton()->yield();
command_queue.flush_all();
}
command_queue.flush_all();
physics_server_2d->finish();
}
/* EVENT QUEUING */
void PhysicsServer2DWrapMT::step(real_t p_step) {
if (create_thread) {
command_queue.push(this, &PhysicsServer2DWrapMT::thread_step, p_step);
command_queue.push(physics_server_2d, &PhysicsServer2D::step, p_step);
} else {
command_queue.flush_all(); // Flush all pending from other threads.
physics_server_2d->step(p_step);
}
}
void PhysicsServer2DWrapMT::sync() {
if (create_thread) {
step_sem.wait();
command_queue.sync();
} else {
command_queue.flush_all(); // Flush all pending from other threads.
}
physics_server_2d->sync();
}
@ -85,21 +77,26 @@ void PhysicsServer2DWrapMT::end_sync() {
void PhysicsServer2DWrapMT::init() {
if (create_thread) {
exit = false;
server_task_id = WorkerThreadPool::get_singleton()->add_task(callable_mp(this, &PhysicsServer2DWrapMT::thread_loop), true);
step_sem.post();
WorkerThreadPool::TaskID tid = WorkerThreadPool::get_singleton()->add_task(callable_mp(this, &PhysicsServer2DWrapMT::_thread_loop), true);
command_queue.set_pump_task_id(tid);
command_queue.push(this, &PhysicsServer2DWrapMT::_assign_mt_ids, tid);
command_queue.push_and_sync(physics_server_2d, &PhysicsServer2D::init);
DEV_ASSERT(server_task_id == tid);
} else {
server_thread = Thread::MAIN_ID;
physics_server_2d->init();
}
}
void PhysicsServer2DWrapMT::finish() {
if (create_thread) {
command_queue.push(this, &PhysicsServer2DWrapMT::thread_exit);
command_queue.push(physics_server_2d, &PhysicsServer2D::finish);
command_queue.push(this, &PhysicsServer2DWrapMT::_thread_exit);
if (server_task_id != WorkerThreadPool::INVALID_TASK_ID) {
WorkerThreadPool::get_singleton()->wait_for_task_completion(server_task_id);
server_task_id = WorkerThreadPool::INVALID_TASK_ID;
}
server_thread = Thread::MAIN_ID;
} else {
physics_server_2d->finish();
}
@ -108,9 +105,6 @@ void PhysicsServer2DWrapMT::finish() {
PhysicsServer2DWrapMT::PhysicsServer2DWrapMT(PhysicsServer2D *p_contained, bool p_create_thread) {
physics_server_2d = p_contained;
create_thread = p_create_thread;
if (!create_thread) {
server_thread = Thread::MAIN_ID;
}
}
PhysicsServer2DWrapMT::~PhysicsServer2DWrapMT() {

9
servers/physics_server_2d_wrap_mt.h
View File

@ -53,17 +53,14 @@ class PhysicsServer2DWrapMT : public PhysicsServer2D {
mutable CommandQueueMT command_queue;
void thread_loop();
Thread::ID server_thread = Thread::UNASSIGNED_ID;
WorkerThreadPool::TaskID server_task_id = WorkerThreadPool::INVALID_TASK_ID;
bool exit = false;
Semaphore step_sem;
bool create_thread = false;
void thread_step(real_t p_delta);
void thread_exit();
void _assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id);
void _thread_exit();
void _thread_loop();
public:
#define ServerName PhysicsServer2D

46
servers/physics_server_3d_wrap_mt.cpp
View File

@ -32,45 +32,37 @@
#include "core/os/os.h"
void PhysicsServer3DWrapMT::thread_exit() {
void PhysicsServer3DWrapMT::_assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id) {
server_thread = Thread::get_caller_id();
server_task_id = p_pump_task_id;
}
void PhysicsServer3DWrapMT::_thread_exit() {
exit = true;
}
void PhysicsServer3DWrapMT::thread_step(real_t p_delta) {
physics_server_3d->step(p_delta);
step_sem.post();
}
void PhysicsServer3DWrapMT::thread_loop() {
server_thread = Thread::get_caller_id();
physics_server_3d->init();
command_queue.set_pump_task_id(server_task_id);
void PhysicsServer3DWrapMT::_thread_loop() {
while (!exit) {
WorkerThreadPool::get_singleton()->yield();
command_queue.flush_all();
}
command_queue.flush_all(); // flush all
physics_server_3d->finish();
}
/* EVENT QUEUING */
void PhysicsServer3DWrapMT::step(real_t p_step) {
if (create_thread) {
command_queue.push(this, &PhysicsServer3DWrapMT::thread_step, p_step);
command_queue.push(physics_server_3d, &PhysicsServer3D::step, p_step);
} else {
command_queue.flush_all(); // Flush all pending from other threads.
physics_server_3d->step(p_step);
}
}
void PhysicsServer3DWrapMT::sync() {
if (create_thread) {
step_sem.wait();
command_queue.sync();
} else {
command_queue.flush_all(); // Flush all pending from other threads.
}
physics_server_3d->sync();
}
@ -85,21 +77,26 @@ void PhysicsServer3DWrapMT::end_sync() {
void PhysicsServer3DWrapMT::init() {
if (create_thread) {
exit = false;
server_task_id = WorkerThreadPool::get_singleton()->add_task(callable_mp(this, &PhysicsServer3DWrapMT::thread_loop), true);
step_sem.post();
WorkerThreadPool::TaskID tid = WorkerThreadPool::get_singleton()->add_task(callable_mp(this, &PhysicsServer3DWrapMT::_thread_loop), true);
command_queue.set_pump_task_id(tid);
command_queue.push(this, &PhysicsServer3DWrapMT::_assign_mt_ids, tid);
command_queue.push_and_sync(physics_server_3d, &PhysicsServer3D::init);
DEV_ASSERT(server_task_id == tid);
} else {
server_thread = Thread::MAIN_ID;
physics_server_3d->init();
}
}
void PhysicsServer3DWrapMT::finish() {
if (create_thread) {
command_queue.push(this, &PhysicsServer3DWrapMT::thread_exit);
command_queue.push(physics_server_3d, &PhysicsServer3D::finish);
command_queue.push(this, &PhysicsServer3DWrapMT::_thread_exit);
if (server_task_id != WorkerThreadPool::INVALID_TASK_ID) {
WorkerThreadPool::get_singleton()->wait_for_task_completion(server_task_id);
server_task_id = WorkerThreadPool::INVALID_TASK_ID;
}
server_thread = Thread::MAIN_ID;
} else {
physics_server_3d->finish();
}
@ -108,9 +105,6 @@ void PhysicsServer3DWrapMT::finish() {
PhysicsServer3DWrapMT::PhysicsServer3DWrapMT(PhysicsServer3D *p_contained, bool p_create_thread) {
physics_server_3d = p_contained;
create_thread = p_create_thread;
if (!create_thread) {
server_thread = Thread::MAIN_ID;
}
}
PhysicsServer3DWrapMT::~PhysicsServer3DWrapMT() {

10
servers/physics_server_3d_wrap_mt.h
View File

@ -52,17 +52,15 @@ class PhysicsServer3DWrapMT : public PhysicsServer3D {
mutable CommandQueueMT command_queue;
void thread_loop();
Thread::ID server_thread = Thread::UNASSIGNED_ID;
WorkerThreadPool::TaskID server_task_id = WorkerThreadPool::INVALID_TASK_ID;
bool exit = false;
Semaphore step_sem;
bool create_thread = false;
void thread_step(real_t p_delta);
void thread_exit();
void _assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id);
void _thread_exit();
void _thread_step(real_t p_delta);
void _thread_loop();
public:
#define ServerName PhysicsServer3D

6
servers/rendering/renderer_viewport.cpp
View File

@ -678,7 +678,7 @@ void RendererViewport::draw_viewports(bool p_swap_buffers) {
#endif // _3D_DISABLED
if (Engine::get_singleton()->is_editor_hint()) {
set_default_clear_color(GLOBAL_GET("rendering/environment/defaults/default_clear_color"));
RSG::texture_storage->set_default_clear_color(GLOBAL_GET("rendering/environment/defaults/default_clear_color"));
}
if (sorted_active_viewports_dirty) {
@ -1521,10 +1521,6 @@ void RendererViewport::handle_timestamp(String p_timestamp, uint64_t p_cpu_time,
}
}
void RendererViewport::set_default_clear_color(const Color &p_color) {
RSG::texture_storage->set_default_clear_color(p_color);
}
void RendererViewport::viewport_set_canvas_cull_mask(RID p_viewport, uint32_t p_canvas_cull_mask) {
Viewport *viewport = viewport_owner.get_or_null(p_viewport);
ERR_FAIL_NULL(viewport);

1
servers/rendering/renderer_viewport.h
View File

@ -303,7 +303,6 @@ public:
void handle_timestamp(String p_timestamp, uint64_t p_cpu_time, uint64_t p_gpu_time);
void set_default_clear_color(const Color &p_color);
void draw_viewports(bool p_swap_buffers);
bool free(RID p_rid);

126
servers/rendering/rendering_server_default.cpp
View File

@ -69,8 +69,6 @@ void RenderingServerDefault::request_frame_drawn_callback(const Callable &p_call
}
void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
changes = 0;
RSG::rasterizer->begin_frame(frame_step);
TIMESTAMP_BEGIN()
@ -102,19 +100,11 @@ void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
RSG::canvas->update_visibility_notifiers();
RSG::scene->update_visibility_notifiers();
while (frame_drawn_callbacks.front()) {
Callable c = frame_drawn_callbacks.front()->get();
Variant result;
Callable::CallError ce;
c.callp(nullptr, 0, result, ce);
if (ce.error != Callable::CallError::CALL_OK) {
String err = Variant::get_callable_error_text(c, nullptr, 0, ce);
ERR_PRINT("Error calling frame drawn function: " + err);
}
frame_drawn_callbacks.pop_front();
if (create_thread) {
callable_mp(this, &RenderingServerDefault::_run_post_draw_steps).call_deferred();
} else {
_run_post_draw_steps();
}
RS::get_singleton()->emit_signal(SNAME("frame_post_draw"));
if (RSG::utilities->get_captured_timestamps_count()) {
Vector<FrameProfileArea> new_profile;
@ -194,6 +184,23 @@ void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
RSG::utilities->update_memory_info();
}
void RenderingServerDefault::_run_post_draw_steps() {
while (frame_drawn_callbacks.front()) {
Callable c = frame_drawn_callbacks.front()->get();
Variant result;
Callable::CallError ce;
c.callp(nullptr, 0, result, ce);
if (ce.error != Callable::CallError::CALL_OK) {
String err = Variant::get_callable_error_text(c, nullptr, 0, ce);
ERR_PRINT("Error calling frame drawn function: " + err);
}
frame_drawn_callbacks.pop_front();
}
emit_signal(SNAME("frame_post_draw"));
}
double RenderingServerDefault::get_frame_setup_time_cpu() const {
return frame_setup_time;
}
@ -203,7 +210,25 @@ bool RenderingServerDefault::has_changed() const {
}
void RenderingServerDefault::_init() {
RSG::threaded = create_thread;
RSG::canvas = memnew(RendererCanvasCull);
RSG::viewport = memnew(RendererViewport);
RendererSceneCull *sr = memnew(RendererSceneCull);
RSG::camera_attributes = memnew(RendererCameraAttributes);
RSG::scene = sr;
RSG::rasterizer = RendererCompositor::create();
RSG::utilities = RSG::rasterizer->get_utilities();
RSG::rasterizer->initialize();
RSG::light_storage = RSG::rasterizer->get_light_storage();
RSG::material_storage = RSG::rasterizer->get_material_storage();
RSG::mesh_storage = RSG::rasterizer->get_mesh_storage();
RSG::particles_storage = RSG::rasterizer->get_particles_storage();
RSG::texture_storage = RSG::rasterizer->get_texture_storage();
RSG::gi = RSG::rasterizer->get_gi();
RSG::fog = RSG::rasterizer->get_fog();
RSG::canvas_render = RSG::rasterizer->get_canvas();
sr->set_scene_render(RSG::rasterizer->get_scene());
}
void RenderingServerDefault::_finish() {
@ -212,26 +237,38 @@ void RenderingServerDefault::_finish() {
}
RSG::canvas->finalize();
memdelete(RSG::canvas);
RSG::rasterizer->finalize();
memdelete(RSG::viewport);
memdelete(RSG::rasterizer);
memdelete(RSG::scene);
memdelete(RSG::camera_attributes);
}
void RenderingServerDefault::init() {
if (create_thread) {
print_verbose("RenderingServerWrapMT: Starting render thread");
DisplayServer::get_singleton()->release_rendering_thread();
server_task_id = WorkerThreadPool::get_singleton()->add_task(callable_mp(this, &RenderingServerDefault::_thread_loop), true);
WorkerThreadPool::TaskID tid = WorkerThreadPool::get_singleton()->add_task(callable_mp(this, &RenderingServerDefault::_thread_loop), true);
command_queue.set_pump_task_id(tid);
command_queue.push(this, &RenderingServerDefault::_assign_mt_ids, tid);
command_queue.push_and_sync(this, &RenderingServerDefault::_init);
DEV_ASSERT(server_task_id == tid);
} else {
server_thread = Thread::MAIN_ID;
_init();
}
}
void RenderingServerDefault::finish() {
if (create_thread) {
command_queue.push(this, &RenderingServerDefault::_finish);
command_queue.push(this, &RenderingServerDefault::_thread_exit);
if (server_task_id != WorkerThreadPool::INVALID_TASK_ID) {
WorkerThreadPool::get_singleton()->wait_for_task_completion(server_task_id);
server_task_id = WorkerThreadPool::INVALID_TASK_ID;
}
server_thread = Thread::MAIN_ID;
} else {
_finish();
}
@ -268,17 +305,12 @@ Vector<RenderingServer::FrameProfileArea> RenderingServerDefault::get_frame_prof
/* TESTING */
void RenderingServerDefault::set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale, bool p_use_filter) {
redraw_request();
RSG::rasterizer->set_boot_image(p_image, p_color, p_scale, p_use_filter);
}
Color RenderingServerDefault::get_default_clear_color() {
return RSG::texture_storage->get_default_clear_color();
}
void RenderingServerDefault::set_default_clear_color(const Color &p_color) {
RSG::viewport->set_default_clear_color(p_color);
RSG::texture_storage->set_default_clear_color(p_color);
}
#ifndef DISABLE_DEPRECATED
@ -327,29 +359,23 @@ Size2i RenderingServerDefault::get_maximum_viewport_size() const {
}
}
void RenderingServerDefault::_assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id) {
server_thread = Thread::get_caller_id();
server_task_id = p_pump_task_id;
}
void RenderingServerDefault::_thread_exit() {
exit = true;
}
void RenderingServerDefault::_thread_draw(bool p_swap_buffers, double frame_step) {
_draw(p_swap_buffers, frame_step);
}
void RenderingServerDefault::_thread_loop() {
server_thread = Thread::get_caller_id();
DisplayServer::get_singleton()->gl_window_make_current(DisplayServer::MAIN_WINDOW_ID); // Move GL to this thread.
_init();
command_queue.set_pump_task_id(server_task_id);
while (!exit) {
WorkerThreadPool::get_singleton()->yield();
command_queue.flush_all();
}
command_queue.flush_all();
_finish();
DisplayServer::get_singleton()->release_rendering_thread();
}
@ -366,7 +392,9 @@ void RenderingServerDefault::set_physics_interpolation_enabled(bool p_enabled) {
/* EVENT QUEUING */
void RenderingServerDefault::sync() {
if (!create_thread) {
if (create_thread) {
command_queue.sync();
} else {
command_queue.flush_all(); // Flush all pending from other threads.
}
}
@ -375,8 +403,9 @@ void RenderingServerDefault::draw(bool p_swap_buffers, double frame_step) {
ERR_FAIL_COND_MSG(!Thread::is_main_thread(), "Manually triggering the draw function from the RenderingServer can only be done on the main thread. Call this function from the main thread or use call_deferred().");
// Needs to be done before changes is reset to 0, to not force the editor to redraw.
RS::get_singleton()->emit_signal(SNAME("frame_pre_draw"));
changes = 0;
if (create_thread) {
command_queue.push(this, &RenderingServerDefault::_thread_draw, p_swap_buffers, frame_step);
command_queue.push(this, &RenderingServerDefault::_draw, p_swap_buffers, frame_step);
} else {
_draw(p_swap_buffers, frame_step);
}
@ -390,36 +419,7 @@ RenderingServerDefault::RenderingServerDefault(bool p_create_thread) {
RenderingServer::init();
create_thread = p_create_thread;
if (!create_thread) {
server_thread = Thread::MAIN_ID;
}
RSG::threaded = create_thread;
RSG::canvas = memnew(RendererCanvasCull);
RSG::viewport = memnew(RendererViewport);
RendererSceneCull *sr = memnew(RendererSceneCull);
RSG::camera_attributes = memnew(RendererCameraAttributes);
RSG::scene = sr;
RSG::rasterizer = RendererCompositor::create();
RSG::utilities = RSG::rasterizer->get_utilities();
RSG::light_storage = RSG::rasterizer->get_light_storage();
RSG::material_storage = RSG::rasterizer->get_material_storage();
RSG::mesh_storage = RSG::rasterizer->get_mesh_storage();
RSG::particles_storage = RSG::rasterizer->get_particles_storage();
RSG::texture_storage = RSG::rasterizer->get_texture_storage();
RSG::gi = RSG::rasterizer->get_gi();
RSG::fog = RSG::rasterizer->get_fog();
RSG::canvas_render = RSG::rasterizer->get_canvas();
sr->set_scene_render(RSG::rasterizer->get_scene());
frame_profile_frame = 0;
}
RenderingServerDefault::~RenderingServerDefault() {
memdelete(RSG::canvas);
memdelete(RSG::viewport);
memdelete(RSG::rasterizer);
memdelete(RSG::scene);
memdelete(RSG::camera_attributes);
}

27
servers/rendering/rendering_server_default.h
View File

@ -63,7 +63,7 @@ class RenderingServerDefault : public RenderingServer {
static void _changes_changed() {}
uint64_t frame_profile_frame;
uint64_t frame_profile_frame = 0;
Vector<FrameProfileArea> frame_profile;
double frame_setup_time = 0;
@ -76,18 +76,17 @@ class RenderingServerDefault : public RenderingServer {
mutable CommandQueueMT command_queue;
void _thread_loop();
Thread::ID server_thread = Thread::UNASSIGNED_ID;
Thread::ID server_thread = Thread::MAIN_ID;
WorkerThreadPool::TaskID server_task_id = WorkerThreadPool::INVALID_TASK_ID;
bool exit = false;
bool create_thread = false;
void _thread_draw(bool p_swap_buffers, double frame_step);
void _assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id);
void _thread_exit();
void _thread_loop();
void _draw(bool p_swap_buffers, double frame_step);
void _run_post_draw_steps();
void _init();
void _finish();
@ -998,9 +997,22 @@ public:
FUNC1(global_shader_parameters_load_settings, bool)
FUNC0(global_shader_parameters_clear)
/* COMPOSITOR */
#undef server_name
#undef ServerName
#define ServerName RendererCompositor
#define server_name RSG::rasterizer
FUNC4S(set_boot_image, const Ref<Image> &, const Color &, bool, bool)
/* STATUS INFORMATION */
#undef server_name
#undef ServerName
/* UTILITIES */
#define ServerName RendererUtilities
#define server_name RSG::utilities
FUNC0RC(String, get_video_adapter_name)
@ -1056,7 +1068,7 @@ public:
virtual void call_on_render_thread(const Callable &p_callable) override {
if (Thread::get_caller_id() == server_thread) {
command_queue.flush_if_pending();
_call_on_render_thread(p_callable);
p_callable.call();
} else {
command_queue.push(this, &RenderingServerDefault::_call_on_render_thread, p_callable);
}
@ -1066,7 +1078,6 @@ public:
virtual double get_frame_setup_time_cpu() const override;
virtual void set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale, bool p_use_filter = true) override;
virtual Color get_default_clear_color() override;
virtual void set_default_clear_color(const Color &p_color) override;