131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
#include <renderer/components/messenger.hpp>
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#include <renderer/frontend/context/device.hpp>
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#include <renderer/frontend/context/gpu.hpp>
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#include <renderer/frontend/context/instance.hpp>
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#include <renderer/frontend/context/surface.hpp>
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#include <renderer/frontend/context/swapchain.hpp>
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#include <renderer/frontend/messenger.hpp>
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#include <renderer/frontend/renderer/pass.hpp>
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#include <renderer/frontend/renderer/renderer.hpp>
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#include <renderer/system.hpp>
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#include <surface/components.hpp>
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namespace lt::renderer {
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System::System(CreateInfo info)
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: m_surface_entity(info.surface_entity)
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, m_api(info.config.target_api)
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, m_registry(std::move(info.registry))
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, m_instance(IInstance::get(m_api))
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, m_max_frames_in_flight(info.config.max_frames_in_flight)
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{
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ensure(m_registry, "Failed to initialize renderer::System: null registry");
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ensure(
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std::clamp(
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info.config.max_frames_in_flight,
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frames_in_flight_lower_limit,
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frames_in_flight_upper_limit
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) == info.config.max_frames_in_flight,
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"Failed to initialize renderer::System: max_frames_in_flight ({}) not within bounds ({} -> "
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"{}) ",
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info.config.max_frames_in_flight,
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frames_in_flight_lower_limit,
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frames_in_flight_upper_limit
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);
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if (info.messenger_info.has_value())
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{
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ensure(
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create_messenger_component(m_registry->create_entity(), info.messenger_info.value()),
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"Failed to initialize renderer::System: failed to create messenger component"
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);
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}
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else
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{
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log_wrn(
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"Creating renderer::System without a default messenger component, this is not "
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"recommended"
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);
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}
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m_surface = ISurface::create(m_api, m_instance, m_surface_entity);
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m_gpu = IGpu::create(m_api, m_instance);
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m_device = IDevice::create(m_api, m_gpu.get(), m_surface.get());
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m_swapchain = ISwapchain::create(m_api, m_surface.get(), m_gpu.get(), m_device.get());
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m_renderer = { IRenderer::create(
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m_api,
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m_device.get(),
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m_swapchain.get(),
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info.config.max_frames_in_flight
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) };
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}
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System::~System()
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{
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auto entities_to_remove = std::vector<ecs::EntityId> {};
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for (auto &[entity, surface] : m_registry->view<MessengerComponent>())
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{
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entities_to_remove.emplace_back(entity);
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}
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for (auto entity : entities_to_remove)
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{
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m_registry->remove<MessengerComponent>(entity);
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}
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}
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void System::on_register()
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{
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}
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void System::on_unregister()
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{
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}
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void System::tick(app::TickInfo tick)
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{
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std::ignore = tick;
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for (const auto &event : m_surface_entity.get<surface::SurfaceComponent>().peek_events())
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{
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if (std::holds_alternative<surface::ResizedEvent>(event))
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{
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m_swapchain.reset();
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m_swapchain = ISwapchain::create(m_api, m_surface.get(), m_gpu.get(), m_device.get());
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m_renderer->replace_swapchain(m_swapchain.get());
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}
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}
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if (m_renderer->draw(m_frame_idx) != IRenderer::DrawResult::success)
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{
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m_swapchain.reset();
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m_swapchain = ISwapchain::create(m_api, m_surface.get(), m_gpu.get(), m_device.get());
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m_renderer->replace_swapchain(m_swapchain.get());
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std::ignore = m_renderer->draw(m_frame_idx); // drop the frame if failed twice
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}
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m_frame_idx = (m_frame_idx + 1) % m_max_frames_in_flight;
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}
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[[nodiscard]] auto System::create_messenger_component(
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ecs::EntityId entity,
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MessengerComponent::CreateInfo info
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) -> bool
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try
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{
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auto &component = m_registry->add<MessengerComponent>(entity, std::move(info));
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component.m_implementation = IMessenger::create(m_api, m_instance, { m_registry, entity });
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// component.m_user_data = info.user_data;
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return true;
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}
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catch (const std::exception &exp)
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{
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log_err("Failed to create renderer::MessengerComponent:");
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log_err("\twhat: {}", exp.what());
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m_registry->remove<MessengerComponent>(entity);
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return false;
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}
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} // namespace lt::renderer
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