8b19ffd810
-Rendering server now uses a split RID allocate/initialize internally, this allows generating RIDs immediately but initialization to happen later on the proper thread (as rendering APIs generally requiere to call on the right thread). -RenderingServerWrapMT is no more, multithreading is done in RenderingServerDefault. -Some functions like texture or mesh creation, when renderer supports it, can register and return immediately (so no waiting for server API to flush, and saving staging and command buffer memory). -3D physics server changed to be made multithread friendly. -Added PhysicsServer3DWrapMT to use 3D physics server from multiple threads. -Disablet Bullet (too much effort to make multithread friendly, this needs to be fixed eventually).
425 lines
13 KiB
C++
425 lines
13 KiB
C++
/*************************************************************************/
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/* rendering_server_default.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "rendering_server_default.h"
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#include "core/config/project_settings.h"
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#include "core/io/marshalls.h"
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#include "core/os/os.h"
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#include "core/templates/sort_array.h"
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#include "renderer_canvas_cull.h"
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#include "renderer_scene_cull.h"
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#include "rendering_server_globals.h"
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// careful, these may run in different threads than the visual server
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int RenderingServerDefault::changes = 0;
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/* BLACK BARS */
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void RenderingServerDefault::black_bars_set_margins(int p_left, int p_top, int p_right, int p_bottom) {
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black_margin[SIDE_LEFT] = p_left;
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black_margin[SIDE_TOP] = p_top;
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black_margin[SIDE_RIGHT] = p_right;
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black_margin[SIDE_BOTTOM] = p_bottom;
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}
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void RenderingServerDefault::black_bars_set_images(RID p_left, RID p_top, RID p_right, RID p_bottom) {
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black_image[SIDE_LEFT] = p_left;
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black_image[SIDE_TOP] = p_top;
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black_image[SIDE_RIGHT] = p_right;
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black_image[SIDE_BOTTOM] = p_bottom;
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}
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void RenderingServerDefault::_draw_margins() {
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RSG::canvas_render->draw_window_margins(black_margin, black_image);
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};
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/* FREE */
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void RenderingServerDefault::_free(RID p_rid) {
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if (RSG::storage->free(p_rid)) {
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return;
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}
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if (RSG::canvas->free(p_rid)) {
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return;
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}
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if (RSG::viewport->free(p_rid)) {
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return;
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}
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if (RSG::scene->free(p_rid)) {
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return;
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}
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}
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/* EVENT QUEUING */
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void RenderingServerDefault::request_frame_drawn_callback(Object *p_where, const StringName &p_method, const Variant &p_userdata) {
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ERR_FAIL_NULL(p_where);
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FrameDrawnCallbacks fdc;
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fdc.object = p_where->get_instance_id();
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fdc.method = p_method;
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fdc.param = p_userdata;
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frame_drawn_callbacks.push_back(fdc);
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}
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void RenderingServerDefault::_draw(bool p_swap_buffers, double frame_step) {
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//needs to be done before changes is reset to 0, to not force the editor to redraw
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RS::get_singleton()->emit_signal("frame_pre_draw");
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changes = 0;
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RSG::rasterizer->begin_frame(frame_step);
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TIMESTAMP_BEGIN()
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uint64_t time_usec = OS::get_singleton()->get_ticks_usec();
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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::storage->update_particles(); //need to be done after instances are updated (colliders and particle transforms), and colliders are rendered
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RSG::scene->render_probes();
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RSG::viewport->draw_viewports();
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RSG::canvas_render->update();
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_draw_margins();
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RSG::rasterizer->end_frame(p_swap_buffers);
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while (frame_drawn_callbacks.front()) {
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Object *obj = ObjectDB::get_instance(frame_drawn_callbacks.front()->get().object);
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if (obj) {
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Callable::CallError ce;
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const Variant *v = &frame_drawn_callbacks.front()->get().param;
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obj->call(frame_drawn_callbacks.front()->get().method, &v, 1, ce);
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if (ce.error != Callable::CallError::CALL_OK) {
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String err = Variant::get_call_error_text(obj, frame_drawn_callbacks.front()->get().method, &v, 1, ce);
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ERR_PRINT("Error calling frame drawn function: " + err);
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}
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}
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frame_drawn_callbacks.pop_front();
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}
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RS::get_singleton()->emit_signal("frame_post_draw");
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if (RSG::storage->get_captured_timestamps_count()) {
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Vector<FrameProfileArea> new_profile;
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if (RSG::storage->capturing_timestamps) {
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new_profile.resize(RSG::storage->get_captured_timestamps_count());
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}
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uint64_t base_cpu = RSG::storage->get_captured_timestamp_cpu_time(0);
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uint64_t base_gpu = RSG::storage->get_captured_timestamp_gpu_time(0);
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for (uint32_t i = 0; i < RSG::storage->get_captured_timestamps_count(); i++) {
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uint64_t time_cpu = RSG::storage->get_captured_timestamp_cpu_time(i);
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uint64_t time_gpu = RSG::storage->get_captured_timestamp_gpu_time(i);
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String name = RSG::storage->get_captured_timestamp_name(i);
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if (name.begins_with("vp_")) {
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RSG::viewport->handle_timestamp(name, time_cpu, time_gpu);
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}
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if (RSG::storage->capturing_timestamps) {
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new_profile.write[i].gpu_msec = float((time_gpu - base_gpu) / 1000) / 1000.0;
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new_profile.write[i].cpu_msec = float(time_cpu - base_cpu) / 1000.0;
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new_profile.write[i].name = RSG::storage->get_captured_timestamp_name(i);
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}
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}
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frame_profile = new_profile;
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}
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frame_profile_frame = RSG::storage->get_captured_timestamps_frame();
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if (print_gpu_profile) {
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if (print_frame_profile_ticks_from == 0) {
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print_frame_profile_ticks_from = OS::get_singleton()->get_ticks_usec();
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}
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float total_time = 0.0;
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for (int i = 0; i < frame_profile.size() - 1; i++) {
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String name = frame_profile[i].name;
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if (name[0] == '<' || name[0] == '>') {
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continue;
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}
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float time = frame_profile[i + 1].gpu_msec - frame_profile[i].gpu_msec;
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if (name[0] != '<' && name[0] != '>') {
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if (print_gpu_profile_task_time.has(name)) {
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print_gpu_profile_task_time[name] += time;
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} else {
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print_gpu_profile_task_time[name] = time;
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}
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}
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}
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if (frame_profile.size()) {
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total_time = frame_profile[frame_profile.size() - 1].gpu_msec;
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}
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uint64_t ticks_elapsed = OS::get_singleton()->get_ticks_usec() - print_frame_profile_ticks_from;
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print_frame_profile_frame_count++;
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if (ticks_elapsed > 1000000) {
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print_line("GPU PROFILE (total " + rtos(total_time) + "ms): ");
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float print_threshold = 0.01;
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for (OrderedHashMap<String, float>::Element E = print_gpu_profile_task_time.front(); E; E = E.next()) {
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float time = E.value() / float(print_frame_profile_frame_count);
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if (time > print_threshold) {
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print_line("\t-" + E.key() + ": " + rtos(time) + "ms");
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}
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}
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print_gpu_profile_task_time.clear();
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print_frame_profile_ticks_from = OS::get_singleton()->get_ticks_usec();
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print_frame_profile_frame_count = 0;
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}
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}
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}
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float RenderingServerDefault::get_frame_setup_time_cpu() const {
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return frame_setup_time;
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}
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bool RenderingServerDefault::has_changed() const {
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return changes > 0;
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}
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void RenderingServerDefault::_init() {
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RSG::rasterizer->initialize();
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}
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void RenderingServerDefault::_finish() {
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if (test_cube.is_valid()) {
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free(test_cube);
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}
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RSG::rasterizer->finalize();
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}
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void RenderingServerDefault::init() {
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if (create_thread) {
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print_verbose("RenderingServerWrapMT: Creating render thread");
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DisplayServer::get_singleton()->release_rendering_thread();
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if (create_thread) {
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thread.start(_thread_callback, this);
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print_verbose("RenderingServerWrapMT: Starting render thread");
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}
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while (!draw_thread_up) {
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OS::get_singleton()->delay_usec(1000);
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}
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print_verbose("RenderingServerWrapMT: Finished render thread");
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} else {
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_init();
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}
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}
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void RenderingServerDefault::finish() {
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if (create_thread) {
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command_queue.push(this, &RenderingServerDefault::_thread_exit);
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thread.wait_to_finish();
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} else {
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_finish();
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}
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}
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/* STATUS INFORMATION */
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int RenderingServerDefault::get_render_info(RenderInfo p_info) {
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return RSG::storage->get_render_info(p_info);
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}
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String RenderingServerDefault::get_video_adapter_name() const {
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return RSG::storage->get_video_adapter_name();
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}
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String RenderingServerDefault::get_video_adapter_vendor() const {
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return RSG::storage->get_video_adapter_vendor();
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}
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void RenderingServerDefault::set_frame_profiling_enabled(bool p_enable) {
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RSG::storage->capturing_timestamps = p_enable;
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}
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uint64_t RenderingServerDefault::get_frame_profile_frame() {
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return frame_profile_frame;
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}
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Vector<RenderingServer::FrameProfileArea> RenderingServerDefault::get_frame_profile() {
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return frame_profile;
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}
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/* TESTING */
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void RenderingServerDefault::set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale, bool p_use_filter) {
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redraw_request();
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RSG::rasterizer->set_boot_image(p_image, p_color, p_scale, p_use_filter);
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}
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void RenderingServerDefault::set_default_clear_color(const Color &p_color) {
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RSG::viewport->set_default_clear_color(p_color);
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}
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bool RenderingServerDefault::has_feature(Features p_feature) const {
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return false;
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}
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void RenderingServerDefault::sdfgi_set_debug_probe_select(const Vector3 &p_position, const Vector3 &p_dir) {
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RSG::scene->sdfgi_set_debug_probe_select(p_position, p_dir);
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}
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void RenderingServerDefault::set_print_gpu_profile(bool p_enable) {
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RSG::storage->capturing_timestamps = p_enable;
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print_gpu_profile = p_enable;
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}
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RID RenderingServerDefault::get_test_cube() {
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if (!test_cube.is_valid()) {
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test_cube = _make_test_cube();
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}
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return test_cube;
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}
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bool RenderingServerDefault::has_os_feature(const String &p_feature) const {
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return RSG::storage->has_os_feature(p_feature);
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}
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void RenderingServerDefault::set_debug_generate_wireframes(bool p_generate) {
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RSG::storage->set_debug_generate_wireframes(p_generate);
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}
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bool RenderingServerDefault::is_low_end() const {
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// FIXME: Commented out when rebasing vulkan branch on master,
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// causes a crash, it seems rasterizer is not initialized yet the
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// first time it's called.
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//return RSG::rasterizer->is_low_end();
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return false;
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}
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void RenderingServerDefault::_thread_exit() {
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exit = true;
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}
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void RenderingServerDefault::_thread_draw(bool p_swap_buffers, double frame_step) {
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if (!atomic_decrement(&draw_pending)) {
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_draw(p_swap_buffers, frame_step);
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}
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}
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void RenderingServerDefault::_thread_flush() {
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atomic_decrement(&draw_pending);
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}
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void RenderingServerDefault::_thread_callback(void *_instance) {
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RenderingServerDefault *vsmt = reinterpret_cast<RenderingServerDefault *>(_instance);
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vsmt->_thread_loop();
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}
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void RenderingServerDefault::_thread_loop() {
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server_thread = Thread::get_caller_id();
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DisplayServer::get_singleton()->make_rendering_thread();
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_init();
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exit = false;
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draw_thread_up = true;
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while (!exit) {
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// flush commands one by one, until exit is requested
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command_queue.wait_and_flush_one();
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}
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command_queue.flush_all(); // flush all
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_finish();
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}
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/* EVENT QUEUING */
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void RenderingServerDefault::sync() {
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if (create_thread) {
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atomic_increment(&draw_pending);
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command_queue.push_and_sync(this, &RenderingServerDefault::_thread_flush);
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} else {
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command_queue.flush_all(); //flush all pending from other threads
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}
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}
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void RenderingServerDefault::draw(bool p_swap_buffers, double frame_step) {
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if (create_thread) {
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atomic_increment(&draw_pending);
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command_queue.push(this, &RenderingServerDefault::_thread_draw, p_swap_buffers, frame_step);
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} else {
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_draw(p_swap_buffers, frame_step);
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}
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}
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RenderingServerDefault::RenderingServerDefault(bool p_create_thread) :
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command_queue(p_create_thread) {
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create_thread = p_create_thread;
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draw_pending = 0;
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draw_thread_up = false;
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if (!p_create_thread) {
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server_thread = Thread::get_caller_id();
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} else {
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server_thread = 0;
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}
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RSG::canvas = memnew(RendererCanvasCull);
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RSG::viewport = memnew(RendererViewport);
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RendererSceneCull *sr = memnew(RendererSceneCull);
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RSG::scene = sr;
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RSG::rasterizer = RendererCompositor::create();
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RSG::storage = RSG::rasterizer->get_storage();
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RSG::canvas_render = RSG::rasterizer->get_canvas();
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sr->set_scene_render(RSG::rasterizer->get_scene());
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frame_profile_frame = 0;
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for (int i = 0; i < 4; i++) {
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black_margin[i] = 0;
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black_image[i] = RID();
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}
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}
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RenderingServerDefault::~RenderingServerDefault() {
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memdelete(RSG::canvas);
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memdelete(RSG::viewport);
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memdelete(RSG::rasterizer);
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memdelete(RSG::scene);
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}
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