virtualx-engine/servers/rendering/rendering_server_default.cpp

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/*************************************************************************/
/* rendering_server_default.cpp */
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/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
/* 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"
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#include "core/config/project_settings.h"
#include "core/io/marshalls.h"
#include "core/os/os.h"
#include "core/templates/sort_array.h"
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#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
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int RenderingServerDefault::changes = 0;
/* FREE */
void RenderingServerDefault::_free(RID p_rid) {
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if (unlikely(p_rid.is_null())) {
return;
}
if (RSG::storage->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) {
//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;
RSG::rasterizer->begin_frame(frame_step);
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TIMESTAMP_BEGIN()
uint64_t time_usec = OS::get_singleton()->get_ticks_usec();
RSG::scene->update(); //update scenes stuff before updating instances
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frame_setup_time = double(OS::get_singleton()->get_ticks_usec() - time_usec) / 1000.0;
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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();
RSG::canvas_render->update();
RSG::rasterizer->end_frame(p_swap_buffers);
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();
}
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.call(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();
}
RS::get_singleton()->emit_signal(SNAME("frame_post_draw"));
if (RSG::storage->get_captured_timestamps_count()) {
Vector<FrameProfileArea> new_profile;
if (RSG::storage->capturing_timestamps) {
new_profile.resize(RSG::storage->get_captured_timestamps_count());
}
uint64_t base_cpu = RSG::storage->get_captured_timestamp_cpu_time(0);
uint64_t base_gpu = RSG::storage->get_captured_timestamp_gpu_time(0);
for (uint32_t i = 0; i < RSG::storage->get_captured_timestamps_count(); i++) {
uint64_t time_cpu = RSG::storage->get_captured_timestamp_cpu_time(i);
uint64_t time_gpu = RSG::storage->get_captured_timestamp_gpu_time(i);
String name = RSG::storage->get_captured_timestamp_name(i);
if (name.begins_with("vp_")) {
RSG::viewport->handle_timestamp(name, time_cpu, time_gpu);
}
if (RSG::storage->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::storage->get_captured_timestamp_name(i);
}
}
frame_profile = new_profile;
}
frame_profile_frame = RSG::storage->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::storage->update_memory_info();
}
double RenderingServerDefault::get_frame_setup_time_cpu() const {
return frame_setup_time;
}
bool RenderingServerDefault::has_changed() const {
return changes > 0;
}
void RenderingServerDefault::_init() {
RSG::rasterizer->initialize();
}
void RenderingServerDefault::_finish() {
if (test_cube.is_valid()) {
free(test_cube);
}
RSG::rasterizer->finalize();
}
void RenderingServerDefault::init() {
if (create_thread) {
print_verbose("RenderingServerWrapMT: Creating render thread");
DisplayServer::get_singleton()->release_rendering_thread();
if (create_thread) {
thread.start(_thread_callback, this);
print_verbose("RenderingServerWrapMT: Starting render thread");
}
while (!draw_thread_up.is_set()) {
OS::get_singleton()->delay_usec(1000);
}
print_verbose("RenderingServerWrapMT: Finished render thread");
} else {
_init();
}
}
void RenderingServerDefault::finish() {
if (create_thread) {
command_queue.push(this, &RenderingServerDefault::_thread_exit);
thread.wait_to_finish();
} 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_vertices_drawn();
} else if (p_info == RENDERING_INFO_TOTAL_DRAW_CALLS_IN_FRAME) {
return RSG::viewport->get_total_draw_calls_used();
}
return RSG::storage->get_rendering_info(p_info);
}
String RenderingServerDefault::get_video_adapter_name() const {
return RSG::storage->get_video_adapter_name();
}
String RenderingServerDefault::get_video_adapter_vendor() const {
return RSG::storage->get_video_adapter_vendor();
}
RenderingDevice::DeviceType RenderingServerDefault::get_video_adapter_type() const {
return RSG::storage->get_video_adapter_type();
}
String RenderingServerDefault::get_video_adapter_api_version() const {
return RSG::storage->get_video_adapter_api_version();
}
void RenderingServerDefault::set_frame_profiling_enabled(bool p_enable) {
RSG::storage->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 */
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);
}
void RenderingServerDefault::set_default_clear_color(const Color &p_color) {
RSG::viewport->set_default_clear_color(p_color);
}
bool RenderingServerDefault::has_feature(Features p_feature) const {
return false;
}
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::storage->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::storage) {
return RSG::storage->has_os_feature(p_feature);
} else {
return false;
}
}
void RenderingServerDefault::set_debug_generate_wireframes(bool p_generate) {
RSG::storage->set_debug_generate_wireframes(p_generate);
}
bool RenderingServerDefault::is_low_end() const {
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return RendererCompositor::is_low_end();
}
void RenderingServerDefault::_thread_exit() {
exit.set();
}
void RenderingServerDefault::_thread_draw(bool p_swap_buffers, double frame_step) {
_draw(p_swap_buffers, frame_step);
}
void RenderingServerDefault::_thread_flush() {
}
void RenderingServerDefault::_thread_callback(void *_instance) {
RenderingServerDefault *vsmt = reinterpret_cast<RenderingServerDefault *>(_instance);
vsmt->_thread_loop();
}
void RenderingServerDefault::_thread_loop() {
server_thread = Thread::get_caller_id();
DisplayServer::get_singleton()->make_rendering_thread();
_init();
draw_thread_up.set();
while (!exit.is_set()) {
// flush commands one by one, until exit is requested
command_queue.wait_and_flush();
}
command_queue.flush_all(); // flush all
_finish();
}
/* EVENT QUEUING */
void RenderingServerDefault::sync() {
if (create_thread) {
command_queue.push_and_sync(this, &RenderingServerDefault::_thread_flush);
} else {
command_queue.flush_all(); //flush all pending from other threads
}
}
void RenderingServerDefault::draw(bool p_swap_buffers, double frame_step) {
if (create_thread) {
command_queue.push(this, &RenderingServerDefault::_thread_draw, p_swap_buffers, frame_step);
} else {
_draw(p_swap_buffers, frame_step);
}
}
RenderingServerDefault::RenderingServerDefault(bool p_create_thread) :
command_queue(p_create_thread) {
RenderingServer::init();
create_thread = p_create_thread;
if (!p_create_thread) {
server_thread = Thread::get_caller_id();
} else {
server_thread = 0;
}
RSG::threaded = p_create_thread;
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RSG::canvas = memnew(RendererCanvasCull);
RSG::viewport = memnew(RendererViewport);
RendererSceneCull *sr = memnew(RendererSceneCull);
RSG::scene = sr;
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RSG::rasterizer = RendererCompositor::create();
RSG::light_storage = RSG::rasterizer->get_light_storage();
RSG::material_storage = RSG::rasterizer->get_material_storage();
RSG::mesh_storage = RSG::rasterizer->get_mesh_storage();
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RSG::particles_storage = RSG::rasterizer->get_particles_storage();
RSG::texture_storage = RSG::rasterizer->get_texture_storage();
RSG::gi = RSG::rasterizer->get_gi();
RSG::storage = RSG::rasterizer->get_storage();
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);
}