virtualx-engine/servers/rendering/rendering_server_default.cpp
2024-05-08 17:41:40 +02:00

425 lines
14 KiB
C++

/**************************************************************************/
/* rendering_server_default.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "rendering_server_default.h"
#include "core/config/project_settings.h"
#include "core/io/marshalls.h"
#include "core/os/os.h"
#include "core/templates/sort_array.h"
#include "renderer_canvas_cull.h"
#include "renderer_scene_cull.h"
#include "rendering_server_globals.h"
// careful, these may run in different threads than the rendering server
int RenderingServerDefault::changes = 0;
/* FREE */
void RenderingServerDefault::_free(RID p_rid) {
if (unlikely(p_rid.is_null())) {
return;
}
if (RSG::utilities->free(p_rid)) {
return;
}
if (RSG::canvas->free(p_rid)) {
return;
}
if (RSG::viewport->free(p_rid)) {
return;
}
if (RSG::scene->free(p_rid)) {
return;
}
}
/* EVENT QUEUING */
void RenderingServerDefault::request_frame_drawn_callback(const Callable &p_callable) {
frame_drawn_callbacks.push_back(p_callable);
}
void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
RSG::rasterizer->begin_frame(frame_step);
TIMESTAMP_BEGIN()
uint64_t time_usec = OS::get_singleton()->get_ticks_usec();
RENDER_TIMESTAMP("Prepare Render Frame");
RSG::scene->update(); //update scenes stuff before updating instances
frame_setup_time = double(OS::get_singleton()->get_ticks_usec() - time_usec) / 1000.0;
RSG::particles_storage->update_particles(); //need to be done after instances are updated (colliders and particle transforms), and colliders are rendered
RSG::scene->render_probes();
RSG::viewport->draw_viewports(p_swap_buffers);
RSG::canvas_render->update();
RSG::rasterizer->end_frame(p_swap_buffers);
#ifndef _3D_DISABLED
XRServer *xr_server = XRServer::get_singleton();
if (xr_server != nullptr) {
// let our XR server know we're done so we can get our frame timing
xr_server->end_frame();
}
#endif // _3D_DISABLED
RSG::canvas->update_visibility_notifiers();
RSG::scene->update_visibility_notifiers();
if (create_thread) {
callable_mp(this, &RenderingServerDefault::_run_post_draw_steps).call_deferred();
} else {
_run_post_draw_steps();
}
if (RSG::utilities->get_captured_timestamps_count()) {
Vector<FrameProfileArea> new_profile;
if (RSG::utilities->capturing_timestamps) {
new_profile.resize(RSG::utilities->get_captured_timestamps_count());
}
uint64_t base_cpu = RSG::utilities->get_captured_timestamp_cpu_time(0);
uint64_t base_gpu = RSG::utilities->get_captured_timestamp_gpu_time(0);
for (uint32_t i = 0; i < RSG::utilities->get_captured_timestamps_count(); i++) {
uint64_t time_cpu = RSG::utilities->get_captured_timestamp_cpu_time(i);
uint64_t time_gpu = RSG::utilities->get_captured_timestamp_gpu_time(i);
String name = RSG::utilities->get_captured_timestamp_name(i);
if (name.begins_with("vp_")) {
RSG::viewport->handle_timestamp(name, time_cpu, time_gpu);
}
if (RSG::utilities->capturing_timestamps) {
new_profile.write[i].gpu_msec = double((time_gpu - base_gpu) / 1000) / 1000.0;
new_profile.write[i].cpu_msec = double(time_cpu - base_cpu) / 1000.0;
new_profile.write[i].name = RSG::utilities->get_captured_timestamp_name(i);
}
}
frame_profile = new_profile;
}
frame_profile_frame = RSG::utilities->get_captured_timestamps_frame();
if (print_gpu_profile) {
if (print_frame_profile_ticks_from == 0) {
print_frame_profile_ticks_from = OS::get_singleton()->get_ticks_usec();
}
double total_time = 0.0;
for (int i = 0; i < frame_profile.size() - 1; i++) {
String name = frame_profile[i].name;
if (name[0] == '<' || name[0] == '>') {
continue;
}
double time = frame_profile[i + 1].gpu_msec - frame_profile[i].gpu_msec;
if (name[0] != '<' && name[0] != '>') {
if (print_gpu_profile_task_time.has(name)) {
print_gpu_profile_task_time[name] += time;
} else {
print_gpu_profile_task_time[name] = time;
}
}
}
if (frame_profile.size()) {
total_time = frame_profile[frame_profile.size() - 1].gpu_msec;
}
uint64_t ticks_elapsed = OS::get_singleton()->get_ticks_usec() - print_frame_profile_ticks_from;
print_frame_profile_frame_count++;
if (ticks_elapsed > 1000000) {
print_line("GPU PROFILE (total " + rtos(total_time) + "ms): ");
float print_threshold = 0.01;
for (const KeyValue<String, float> &E : print_gpu_profile_task_time) {
double time = E.value / double(print_frame_profile_frame_count);
if (time > print_threshold) {
print_line("\t-" + E.key + ": " + rtos(time) + "ms");
}
}
print_gpu_profile_task_time.clear();
print_frame_profile_ticks_from = OS::get_singleton()->get_ticks_usec();
print_frame_profile_frame_count = 0;
}
}
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;
}
bool RenderingServerDefault::has_changed() const {
return changes > 0;
}
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() {
if (test_cube.is_valid()) {
free(test_cube);
}
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();
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();
}
}
/* STATUS INFORMATION */
uint64_t RenderingServerDefault::get_rendering_info(RenderingInfo p_info) {
if (p_info == RENDERING_INFO_TOTAL_OBJECTS_IN_FRAME) {
return RSG::viewport->get_total_objects_drawn();
} else if (p_info == RENDERING_INFO_TOTAL_PRIMITIVES_IN_FRAME) {
return RSG::viewport->get_total_primitives_drawn();
} else if (p_info == RENDERING_INFO_TOTAL_DRAW_CALLS_IN_FRAME) {
return RSG::viewport->get_total_draw_calls_used();
}
return RSG::utilities->get_rendering_info(p_info);
}
RenderingDevice::DeviceType RenderingServerDefault::get_video_adapter_type() const {
return RSG::utilities->get_video_adapter_type();
}
void RenderingServerDefault::set_frame_profiling_enabled(bool p_enable) {
RSG::utilities->capturing_timestamps = p_enable;
}
uint64_t RenderingServerDefault::get_frame_profile_frame() {
return frame_profile_frame;
}
Vector<RenderingServer::FrameProfileArea> RenderingServerDefault::get_frame_profile() {
return frame_profile;
}
/* TESTING */
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::texture_storage->set_default_clear_color(p_color);
}
#ifndef DISABLE_DEPRECATED
bool RenderingServerDefault::has_feature(Features p_feature) const {
return false;
}
#endif
void RenderingServerDefault::sdfgi_set_debug_probe_select(const Vector3 &p_position, const Vector3 &p_dir) {
RSG::scene->sdfgi_set_debug_probe_select(p_position, p_dir);
}
void RenderingServerDefault::set_print_gpu_profile(bool p_enable) {
RSG::utilities->capturing_timestamps = p_enable;
print_gpu_profile = p_enable;
}
RID RenderingServerDefault::get_test_cube() {
if (!test_cube.is_valid()) {
test_cube = _make_test_cube();
}
return test_cube;
}
bool RenderingServerDefault::has_os_feature(const String &p_feature) const {
if (RSG::utilities) {
return RSG::utilities->has_os_feature(p_feature);
} else {
return false;
}
}
void RenderingServerDefault::set_debug_generate_wireframes(bool p_generate) {
RSG::utilities->set_debug_generate_wireframes(p_generate);
}
bool RenderingServerDefault::is_low_end() const {
return RendererCompositor::is_low_end();
}
Size2i RenderingServerDefault::get_maximum_viewport_size() const {
if (RSG::utilities) {
return RSG::utilities->get_maximum_viewport_size();
} else {
return Size2i();
}
}
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_loop() {
DisplayServer::get_singleton()->gl_window_make_current(DisplayServer::MAIN_WINDOW_ID); // Move GL to this thread.
while (!exit) {
WorkerThreadPool::get_singleton()->yield();
command_queue.flush_all();
}
DisplayServer::get_singleton()->release_rendering_thread();
}
/* INTERPOLATION */
void RenderingServerDefault::tick() {
RSG::canvas->tick();
}
void RenderingServerDefault::set_physics_interpolation_enabled(bool p_enabled) {
RSG::canvas->set_physics_interpolation_enabled(p_enabled);
}
/* EVENT QUEUING */
void RenderingServerDefault::sync() {
if (create_thread) {
command_queue.sync();
} else {
command_queue.flush_all(); // Flush all pending from other threads.
}
}
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::_draw, p_swap_buffers, frame_step);
} else {
_draw(p_swap_buffers, frame_step);
}
}
void RenderingServerDefault::_call_on_render_thread(const Callable &p_callable) {
p_callable.call();
}
RenderingServerDefault::RenderingServerDefault(bool p_create_thread) {
RenderingServer::init();
create_thread = p_create_thread;
}
RenderingServerDefault::~RenderingServerDefault() {
}