109 lines
4.3 KiB
C++
109 lines
4.3 KiB
C++
#include <render_2D/axis/Axis.hpp>
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#include <render_2D/base/Frame_2D.hpp>
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#include <render_2D/plottable/Spectrum.hpp>
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#include <render_2D/scene/Render_Scene_2D.hpp>
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#include <process.h>
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#include <atomic>
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#include <cstdlib>
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#include <memory>
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#include <vector>
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namespace {
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using namespace aethera;
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using namespace aethera::render_2d;
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template <typename Object, typename... Arguments>
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Object* build_object(Arguments&&... arguments) {
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typename Object::Builder builder(std::forward<Arguments>(arguments)...);
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auto result = builder.build();
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if (!result) std::_Exit(2);
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return std::move(result).value().release();
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}
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bool contains_color(Image_View view) {
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for (int y = 0; y < view.height; ++y) {
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const auto* row = reinterpret_cast<const Pixel*>(
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view.data + static_cast<std::ptrdiff_t>(y) * view.stride);
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for (int x = 0; x < view.width; ++x)
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if (row[x] != 0) return true;
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}
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return false;
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}
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}
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int main() {
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using Frequency = Impl<Frequency_Axis>;
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using Power = Impl<Numeric_Axis>;
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using Spectrum_Object = Impl<Spectrum>;
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using Scene_Object = Impl<Render_Scene_2D>;
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initialize_runtime({.workers = 4});
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auto* frequency = build_object<Frequency>();
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auto* power = build_object<Power>();
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auto* spectrum = build_object<Spectrum_Object>(frequency, power);
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auto* spectrum_painted = new std::atomic_bool{};
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auto* topology_valid = new std::atomic_bool{true};
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spectrum->paint_taskflow().add("test.spectrum.paint.complete", [spectrum_painted] {
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spectrum_painted->store(true, std::memory_order_release);
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});
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const auto verify_spectrum_precedes_axis =
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[spectrum_painted, topology_valid] {
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if (!spectrum_painted->load(std::memory_order_acquire))
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topology_valid->store(false, std::memory_order_relaxed);
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};
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frequency->paint_taskflow().add("test.frequency.paint.order",
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verify_spectrum_precedes_axis);
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power->paint_taskflow().add("test.power.paint.order",
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verify_spectrum_precedes_axis);
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typename Scene_Object::Builder scene_builder;
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scene_builder.add_renderable(spectrum);
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auto scene_result = scene_builder.build();
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if (!scene_result) return 2;
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auto* scene = std::move(scene_result).value().release();
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frequency->set<&Abs_Axis::Prop::position>(Point_F{20.0, 100.0});
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frequency->set<&Abs_Axis::Prop::pixel_length>(120.0);
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frequency->set<&Numeric_Axis::Prop::coordinate_range>(
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Axis_Range{0.0, 100.0});
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power->set<&Abs_Axis::Prop::position>(Point_F{20.0, 100.0});
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power->set<&Abs_Axis::Prop::pixel_length>(-80.0);
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power->set<&Abs_Axis::Prop::orientation>(Axis_Orientation::vertical);
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power->set<&Numeric_Axis::Prop::coordinate_range>(
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Axis_Range{-100.0, 0.0});
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spectrum->set<&Spectrum::Prop::frequency_range>(
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Axis_Range{0.0, 100.0});
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spectrum->set<&Spectrum::Prop::partition_mode>(
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Plot_Partition_Mode::fixed);
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spectrum->set<&Spectrum::Prop::partition_count>(4);
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spectrum->pending_buffer<Spectrum_Frame_Tag>() =
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Spectrum_Frame{std::vector<Spectrum_Power>(512, -50.0)};
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spectrum->mark_dirty<Prepare_Data_Tag>();
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scene->set<&Render_Scene_2D::Prop::viewport>(Size{160, 120});
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scene->activate_view();
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auto* frame = new Frame_2D(Frame_Identity{1, 0});
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scene->set_frame_callback(
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[spectrum, frequency, power, frame,
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topology_valid](Frame_2D* completed) {
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const auto& state =
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spectrum->read_state<Renderable::Base_Tag>();
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const bool valid = completed == frame &&
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state.prepare_executed && state.paint_executed &&
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spectrum->read_state<Spectrum::Base_Tag>().sample_count ==
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512 &&
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frequency->read_state<Renderable::Base_Tag>().paint_executed &&
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power->read_state<Renderable::Base_Tag>().paint_executed &&
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topology_valid->load(std::memory_order_relaxed) &&
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contains_color(completed->image());
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std::_Exit(valid ? 0 : 1);
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});
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if (!scene->render(frame)) return 2;
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/*
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* render() 是异步入口。结束提交线程但保持 Taskflow worker 和进程存活，
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* 完成回调负责给出测试结果；此处没有轮询、future::get 或条件变量等待。
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*/
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_endthreadex(3);
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}
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