git.sesse.net Git - casparcg/blob - common/diagnostics/graph.cpp

   1 #include "../stdafx.h"\r
   2 \r
   3 #include "graph.h"\r
   4 \r
   5 #pragma warning (disable : 4244)\r
   6 \r
   7 #include "../concurrency/executor.h"\r
   8 #include "../utility/timer.h"\r
   9 #include "../env.h"\r
  10 \r
  11 #include <SFML/Graphics.hpp>\r
  12 \r
  13 #include <boost/foreach.hpp>\r
  14 #include <boost/optional.hpp>\r
  15 #include <boost/circular_buffer.hpp>\r
  16 #include <boost/range/algorithm_ext/erase.hpp>\r
  17 \r
  18 #include <numeric>\r
  19 #include <map>\r
  20 #include <array>\r
  21 \r
  22 namespace caspar { namespace diagnostics {\r
  23                 \r
  24 struct drawable : public sf::Drawable\r
  25 {\r
  26         virtual ~drawable(){}\r
  27         virtual void render(sf::RenderTarget& target) = 0;\r
  28         virtual void Render(sf::RenderTarget& target) const { const_cast<drawable*>(this)->render(target);}\r
  29 };\r
  30 \r
  31 class context : public drawable\r
  32 {       \r
  33         timer timer_;\r
  34         sf::RenderWindow window_;\r
  35         \r
  36         std::list<std::shared_ptr<drawable>> drawables_;\r
  37                 \r
  38         executor executor_;\r
  39 public:                                 \r
  40 \r
  41         template<typename Func>\r
  42         static auto begin_invoke(Func&& func) -> boost::unique_future<decltype(func())> // noexcept\r
  43         {       \r
  44                 return get_instance().executor_.begin_invoke(std::forward<Func>(func)); \r
  45         }\r
  46 \r
  47         static void register_drawable(const std::shared_ptr<drawable>& drawable)\r
  48         {\r
  49                 if(!drawable)\r
  50                         return;\r
  51 \r
  52                 begin_invoke([=]\r
  53                 {\r
  54                         get_instance().do_register_drawable(drawable);\r
  55                 });\r
  56         }\r
  57                         \r
  58 private:\r
  59         context() : executor_(L"diagnostics")\r
  60         {\r
  61                 executor_.start();\r
  62                 executor_.begin_invoke([this]\r
  63                 {\r
  64                         window_.Create(sf::VideoMode(600, 1000), "CasparCG Diagnostics");\r
  65                         window_.SetPosition(0, 0);\r
  66                         window_.SetActive();\r
  67                         glEnable(GL_BLEND);\r
  68                         glEnable(GL_LINE_SMOOTH);\r
  69                         glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);\r
  70                         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);\r
  71                         tick();\r
  72                 });\r
  73         }\r
  74 \r
  75         void tick()\r
  76         {\r
  77                 sf::Event e;\r
  78                 while(window_.GetEvent(e)){}            \r
  79                 glClear(GL_COLOR_BUFFER_BIT);\r
  80                 window_.Draw(*this);\r
  81                 window_.Display();\r
  82                 timer_.tick(1.0/50.0);\r
  83                 executor_.begin_invoke([this]{tick();});\r
  84         }\r
  85 \r
  86         void render(sf::RenderTarget& target)\r
  87         {\r
  88                 auto count = std::max<size_t>(8, drawables_.size());\r
  89                 float target_dy = 1.0f/static_cast<float>(count);\r
  90 \r
  91                 float last_y = 0.0f;\r
  92                 int n = 0;\r
  93                 for(auto it = drawables_.begin(); it != drawables_.end(); ++n)\r
  94                 {\r
  95                         auto& drawable = *it;\r
  96                         if(!drawable.unique())\r
  97                         {\r
  98                                 drawable->SetScale(static_cast<float>(window_.GetWidth()), static_cast<float>(target_dy*window_.GetHeight()));\r
  99                                 float target_y = std::max(last_y, static_cast<float>(n * window_.GetHeight())*target_dy);\r
 100                                 drawable->SetPosition(0.0f, target_y);                  \r
 101                                 target.Draw(*drawable);                         \r
 102                                 ++it;           \r
 103                         }\r
 104                         else    \r
 105                                 it = drawables_.erase(it);                      \r
 106                 }               \r
 107         }       \r
 108         \r
 109         void do_register_drawable(const std::shared_ptr<drawable>& drawable)\r
 110         {\r
 111                 drawables_.push_back(drawable);\r
 112         }\r
 113         \r
 114         static context& get_instance()\r
 115         {\r
 116                 static context impl;\r
 117                 return impl;\r
 118         }\r
 119 };\r
 120 \r
 121 class guide : public drawable\r
 122 {\r
 123         float value_;\r
 124         color c_;\r
 125 public:\r
 126         guide(color c = color(1.0f, 1.0f, 1.0f, 0.6f)) \r
 127                 : value_(0.0f)\r
 128                 , c_(c){}\r
 129 \r
 130         guide(float value, color c = color(1.0f, 1.0f, 1.0f, 0.6f)) \r
 131                 : value_(value)\r
 132                 , c_(c){}\r
 133                         \r
 134         void set_color(color c) {c_ = c;}\r
 135 \r
 136         void render(sf::RenderTarget&)\r
 137         {               \r
 138                 glEnable(GL_LINE_STIPPLE);\r
 139                 glLineStipple(3, 0xAAAA);\r
 140                 glBegin(GL_LINE_STRIP); \r
 141                         glColor4f(c_.red, c_.green, c_.blue+0.2f, c_.alpha);            \r
 142                         glVertex3f(0.0f, (1.0f-value_) * 0.8f + 0.1f, 0.0f);            \r
 143                         glVertex3f(1.0f, (1.0f-value_) * 0.8f + 0.1f, 0.0f);    \r
 144                 glEnd();\r
 145                 glDisable(GL_LINE_STIPPLE);\r
 146         }\r
 147 };\r
 148 \r
 149 class line : public drawable\r
 150 {\r
 151         boost::optional<diagnostics::guide> guide_;\r
 152         boost::circular_buffer<std::pair<float, bool>> line_data_;\r
 153 \r
 154         std::vector<float>              tick_data_;\r
 155         bool                                    tick_tag_;\r
 156         color c_;\r
 157 public:\r
 158         line(size_t res = 600)\r
 159                 : line_data_(res)\r
 160                 , tick_tag_(false)\r
 161                 , c_(1.0f, 1.0f, 1.0f)\r
 162         {\r
 163                 line_data_.push_back(std::make_pair(-1.0f, false));\r
 164         }\r
 165         \r
 166         void update(float value)\r
 167         {\r
 168                 tick_data_.push_back(value);\r
 169         }\r
 170 \r
 171         void set(float value)\r
 172         {\r
 173                 tick_data_.clear();\r
 174                 tick_data_.push_back(value);\r
 175         }\r
 176         \r
 177         void tag()\r
 178         {\r
 179                 tick_tag_ = true;\r
 180         }\r
 181 \r
 182         void guide(const guide& guide)\r
 183         {\r
 184                 guide_ = guide;\r
 185                 guide_->set_color(c_);\r
 186         }\r
 187         \r
 188         void set_color(color c)\r
 189         {\r
 190                 c_ = c;\r
 191                 if(guide_)\r
 192                         guide_->set_color(c_);\r
 193         }\r
 194 \r
 195         color get_color() const { return c_; }\r
 196         \r
 197         void render(sf::RenderTarget& target)\r
 198         {\r
 199                 float dx = 1.0f/static_cast<float>(line_data_.capacity());\r
 200                 float x = static_cast<float>(line_data_.capacity()-line_data_.size())*dx;\r
 201 \r
 202                 if(!tick_data_.empty())\r
 203                 {\r
 204                         float sum = std::accumulate(tick_data_.begin(), tick_data_.end(), 0.0) + std::numeric_limits<float>::min();\r
 205                         line_data_.push_back(std::make_pair(static_cast<float>(sum)/static_cast<float>(tick_data_.size()), tick_tag_));\r
 206                         tick_data_.clear();\r
 207                 }\r
 208                 else if(!line_data_.empty())\r
 209                 {\r
 210                         line_data_.push_back(std::make_pair(line_data_.back().first, tick_tag_));\r
 211                 }\r
 212                 tick_tag_ = false;\r
 213 \r
 214                 if(guide_)\r
 215                         target.Draw(*guide_);\r
 216                 \r
 217                 glBegin(GL_LINE_STRIP);\r
 218                 glColor4f(c_.red, c_.green, c_.blue, 1.0f);             \r
 219                 for(size_t n = 0; n < line_data_.size(); ++n)           \r
 220                         if(line_data_[n].first > -0.5)\r
 221                                 glVertex3f(x+n*dx, std::max(0.05f, std::min(0.95f, (1.0f-line_data_[n].first)*0.8f + 0.1f)), 0.0f);             \r
 222                 glEnd();\r
 223                                 \r
 224                 glEnable(GL_LINE_STIPPLE);\r
 225                 glLineStipple(3, 0xAAAA);\r
 226                 for(size_t n = 0; n < line_data_.size(); ++n)   \r
 227                 {\r
 228                         if(line_data_[n].second)\r
 229                         {\r
 230                                 glBegin(GL_LINE_STRIP);\r
 231                                 glColor4f(c_.red, c_.green, c_.blue, c_.alpha);                                 \r
 232                                         glVertex3f(x+n*dx, 0.0f, 0.0f);                         \r
 233                                         glVertex3f(x+n*dx, 1.0f, 0.0f);         \r
 234                                 glEnd();\r
 235                         }\r
 236                 }\r
 237                 glDisable(GL_LINE_STIPPLE);\r
 238         }\r
 239 };\r
 240 \r
 241 struct graph::implementation : public drawable\r
 242 {\r
 243         std::map<std::string, diagnostics::line> lines_;\r
 244         const printer parent_printer_;\r
 245         std::string name_;\r
 246 \r
 247         int counter_;\r
 248 \r
 249         implementation(const std::string& name) \r
 250                 : name_(name)\r
 251                 , counter_(0){}\r
 252 \r
 253         implementation(const printer& parent_printer) \r
 254                 : parent_printer_(parent_printer)\r
 255                 , name_(parent_printer_ ? narrow(parent_printer_()) : "")\r
 256                 , counter_(0){}\r
 257 \r
 258         void update(const std::string& name, float value)\r
 259         {\r
 260                 context::begin_invoke([=]\r
 261                 {\r
 262                         lines_[name].update(value);\r
 263                 });\r
 264         }\r
 265 \r
 266         void set(const std::string& name, float value)\r
 267         {\r
 268                 context::begin_invoke([=]\r
 269                 {\r
 270                         lines_[name].set(value);\r
 271                 });\r
 272         }\r
 273 \r
 274         void tag(const std::string& name)\r
 275         {\r
 276                 context::begin_invoke([=]\r
 277                 {\r
 278                         lines_[name].tag();\r
 279                 });\r
 280         }\r
 281 \r
 282         void set_color(const std::string& name, color c)\r
 283         {\r
 284                 context::begin_invoke([=]\r
 285                 {\r
 286                         lines_[name].set_color(c);\r
 287                 });\r
 288         }\r
 289         \r
 290         void guide(const std::string& name, float value)\r
 291         {\r
 292                 context::begin_invoke([=]\r
 293                 {\r
 294                         lines_[name].guide(diagnostics::guide(value));\r
 295                 });\r
 296         }\r
 297         \r
 298 private:\r
 299         void render(sf::RenderTarget& target)\r
 300         {\r
 301                 if(counter_++ > 25) // Don't update name too often since print can be implemented with locks.\r
 302                 {\r
 303                         counter_ = 0;\r
 304                         if(parent_printer_)\r
 305                                 name_ = narrow(parent_printer_());\r
 306                 }\r
 307                 const size_t text_size = 15;\r
 308                 const size_t text_margin = 2;\r
 309                 const size_t text_offset = (text_size+text_margin*2)*2;\r
 310 \r
 311                 sf::String text(name_.c_str(), sf::Font::GetDefaultFont(), text_size);\r
 312                 text.SetStyle(sf::String::Italic);\r
 313                 text.Move(text_margin, text_margin);\r
 314                 \r
 315                 glPushMatrix();\r
 316                         glScaled(1.0f/GetScale().x, 1.0f/GetScale().y, 1.0f);\r
 317                         target.Draw(text);\r
 318                         float x_offset = text_margin;\r
 319                         for(auto it = lines_.begin(); it != lines_.end(); ++it)\r
 320                         {                                               \r
 321                                 sf::String line_text(it->first, sf::Font::GetDefaultFont(), text_size);\r
 322                                 line_text.SetPosition(x_offset, text_margin+text_offset/2);\r
 323                                 auto c = it->second.get_color();\r
 324                                 line_text.SetColor(sf::Color(c.red*255.0f, c.green*255.0f, c.blue*255.0f, c.alpha*255.0f));\r
 325                                 target.Draw(line_text);\r
 326                                 x_offset = line_text.GetRect().Right + text_margin*2;\r
 327                         }\r
 328 \r
 329                         glDisable(GL_TEXTURE_2D);\r
 330                 glPopMatrix();\r
 331 \r
 332                 glBegin(GL_QUADS);\r
 333                         glColor4f(1.0f, 1.0f, 1.0f, 0.2f);      \r
 334                         glVertex2f(1.0f, 0.99f);\r
 335                         glVertex2f(0.0f, 0.99f);\r
 336                         glVertex2f(0.0f, 0.01f);        \r
 337                         glVertex2f(1.0f, 0.01f);        \r
 338                 glEnd();\r
 339 \r
 340                 glPushMatrix();\r
 341                         glTranslated(0.0f, text_offset/GetScale().y, 1.0f);\r
 342                         glScaled(1.0f, 1.0-text_offset/GetScale().y, 1.0f);\r
 343                 \r
 344                         target.Draw(diagnostics::guide(1.0f, color(1.0f, 1.0f, 1.0f, 0.6f)));\r
 345                         target.Draw(diagnostics::guide(0.0f, color(1.0f, 1.0f, 1.0f, 0.6f)));\r
 346 \r
 347                         for(auto it = lines_.begin(); it != lines_.end(); ++it)         \r
 348                                 target.Draw(it->second);\r
 349                 \r
 350                 glPopMatrix();\r
 351         }\r
 352 \r
 353         implementation(implementation&);\r
 354         implementation& operator=(implementation&);\r
 355 };\r
 356         \r
 357 graph::graph(const std::string& name) : impl_(env::properties().get("configuration.diagnostics.graphs", true) ? new implementation(name) : nullptr)\r
 358 {\r
 359         if(impl_)\r
 360                 context::register_drawable(impl_);\r
 361 }\r
 362 \r
 363 graph::graph(const printer& parent_printer) : impl_(env::properties().get("configuration.diagnostics.graphs", true) ? new implementation(parent_printer) : nullptr)\r
 364 {\r
 365         if(impl_)\r
 366                 context::register_drawable(impl_);\r
 367 }\r
 368 \r
 369 void graph::update_value(const std::string& name, float value){if(impl_)impl_->update(name, value);}\r
 370 void graph::set_value(const std::string& name, float value){if(impl_)impl_->set(name, value);}\r
 371 void graph::set_color(const std::string& name, color c){if(impl_)impl_->set_color(name, c);}\r
 372 void graph::add_tag(const std::string& name){if(impl_)impl_->tag(name);}\r
 373 void graph::add_guide(const std::string& name, float value){if(impl_)impl_->guide(name, value);}\r
 374 \r
 375 safe_ptr<graph> create_graph(const std::string& name)\r
 376 {\r
 377         return safe_ptr<graph>(new graph(name));\r
 378 }\r
 379 safe_ptr<graph> create_graph(const printer& parent_printer)\r
 380 {\r
 381         return safe_ptr<graph>(new graph(parent_printer));\r
 382 }\r
 383 \r
 384 \r
 385 //namespace v2\r
 386 //{     \r
 387 //      \r
 388 //struct line::implementation\r
 389 //{\r
 390 //      std::wstring name_;\r
 391 //      boost::circular_buffer<data> ticks_;\r
 392 //\r
 393 //      implementation(const std::wstring& name) \r
 394 //              : name_(name)\r
 395 //              , ticks_(1024){}\r
 396 //      \r
 397 //      void update_value(float value)\r
 398 //      {\r
 399 //              ticks_.push_back();\r
 400 //              ticks_.back().value = value;\r
 401 //      }\r
 402 //\r
 403 //      void set_value(float value)\r
 404 //      {\r
 405 //              ticks_.clear();\r
 406 //              update_value(value);\r
 407 //      }\r
 408 //};\r
 409 //\r
 410 //line::line(){}\r
 411 //line::line(const std::wstring& name) : impl_(new implementation(name)){}\r
 412 //std::wstring line::print() const {return impl_->name_;}\r
 413 //void line::update_value(float value){impl_->update_value(value);}\r
 414 //void line::set_value(float value){impl_->set_value(value);}\r
 415 //boost::circular_buffer<data>& line::ticks() { return impl_->ticks_;}\r
 416 //\r
 417 //struct graph::implementation\r
 418 //{\r
 419 //      std::map<std::wstring, line> lines_;\r
 420 //      color                                            color_;\r
 421 //      printer                                          printer_;\r
 422 //\r
 423 //      implementation(const std::wstring& name) \r
 424 //              : printer_([=]{return name;}){}\r
 425 //\r
 426 //      implementation(const printer& parent_printer) \r
 427 //              : printer_(parent_printer){}\r
 428 //      \r
 429 //      void update_value(const std::wstring& name, float value)\r
 430 //      {\r
 431 //              auto it = lines_.find(name);\r
 432 //              if(it == lines_.end())\r
 433 //                      it = lines_.insert(std::make_pair(name, line(name))).first;\r
 434 //\r
 435 //              it->second.update_value(value);\r
 436 //      }\r
 437 //\r
 438 //      void set_value(const std::wstring& name, float value)\r
 439 //      {\r
 440 //              auto it = lines_.find(name);\r
 441 //              if(it == lines_.end())\r
 442 //                      it = lines_.insert(std::make_pair(name, line(name))).first;\r
 443 //\r
 444 //              it->second.set_value(value);\r
 445 //      }\r
 446 //      \r
 447 //      void set_color(const std::wstring& name, color color)\r
 448 //      {\r
 449 //              color_ = color;\r
 450 //      }\r
 451 //\r
 452 //      std::map<std::wstring, line>& get_lines()\r
 453 //      {\r
 454 //              return lines_;\r
 455 //      }\r
 456 //      \r
 457 //      color get_color() const\r
 458 //      {\r
 459 //              return color_;\r
 460 //      }\r
 461 //\r
 462 //      std::wstring print() const\r
 463 //      {\r
 464 //              return printer_ ? printer_() : L"graph";\r
 465 //      }\r
 466 //};\r
 467 //      \r
 468 //graph::graph(const std::wstring& name) : impl_(new implementation(name)){}\r
 469 //graph::graph(const printer& parent_printer) : impl_(new implementation(parent_printer)){}\r
 470 //void graph::update_value(const std::wstring& name, float value){impl_->update_value(name, value);}\r
 471 //void graph::set_value(const std::wstring& name, float value){impl_->set_value(name, value);}\r
 472 //void graph::set_color(const std::wstring& name, color c){impl_->set_color(name, c);}\r
 473 //color graph::get_color() const {return impl_->get_color();}\r
 474 //std::wstring graph::print() const {return impl_->print();}\r
 475 //\r
 476 //safe_ptr<graph> graph::clone() const \r
 477 //{\r
 478 //      safe_ptr<graph> clone(new graph(std::wstring(L"")));\r
 479 //      clone->impl_->printer_ = impl_->printer_;\r
 480 //      clone->impl_->lines_ = impl_->lines_;\r
 481 //      clone->impl_->color_ = impl_->color_;   \r
 482 //}\r
 483 //\r
 484 //std::map<std::wstring, line>& graph::get_lines() {impl_->get_lines();}\r
 485 //\r
 486 //std::vector<safe_ptr<graph>> g_graphs;\r
 487 //\r
 488 //safe_ptr<graph> create_graph(const std::string& name)\r
 489 //{\r
 490 //      g_graphs.push_back(make_safe<graph>(name));\r
 491 //      return g_graphs.back();\r
 492 //}\r
 493 //\r
 494 //safe_ptr<graph> create_graph(const printer& parent_printer)\r
 495 //{\r
 496 //      g_graphs.push_back(make_safe<graph>(parent_printer));\r
 497 //      return g_graphs.back();\r
 498 //}\r
 499 //\r
 500 //static std::vector<safe_ptr<graph>> get_all_graphs()\r
 501 //{\r
 502 //      std::vector<safe_ptr<graph>> graphs;\r
 503 //      BOOST_FOREACH(auto& graph, g_graphs)\r
 504 //              graphs.push_back(graph->clone());\r
 505 //\r
 506 //      return graphs;\r
 507 //}\r
 508 //\r
 509 //}\r
 510 \r
 511 }}