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

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\r
   5 *\r
   6 * CasparCG is free software: you can redistribute it and/or modify\r
   7 * it under the terms of the GNU General Public License as published by\r
   8 * the Free Software Foundation, either version 3 of the License, or\r
   9 * (at your option) any later version.\r
  10 *\r
  11 * CasparCG is distributed in the hope that it will be useful,\r
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 * GNU General Public License for more details.\r
  15 *\r
  16 * You should have received a copy of the GNU General Public License\r
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #include "../stdafx.h"\r
  23 \r
  24 #include "graph.h"\r
  25 \r
  26 #pragma warning (disable : 4244)\r
  27 \r
  28 #include "../concurrency/executor.h"\r
  29 #include "../concurrency/lock.h"\r
  30 #include "../env.h"\r
  31 \r
  32 #include <SFML/Graphics.hpp>\r
  33 \r
  34 #include <boost/foreach.hpp>\r
  35 #include <boost/optional.hpp>\r
  36 #include <boost/circular_buffer.hpp>\r
  37 #include <boost/range/algorithm_ext/erase.hpp>\r
  38 \r
  39 #include <tbb/concurrent_unordered_map.h>\r
  40 #include <tbb/atomic.h>\r
  41 #include <tbb/spin_mutex.h>\r
  42 \r
  43 #include <array>\r
  44 #include <numeric>\r
  45 #include <tuple>\r
  46 \r
  47 namespace caspar { namespace diagnostics {\r
  48                 \r
  49 int color(float r, float g, float b, float a)\r
  50 {\r
  51         int code = 0;\r
  52         code |= static_cast<int>(r*255.0f+0.5f) << 24;\r
  53         code |= static_cast<int>(g*255.0f+0.5f) << 16;\r
  54         code |= static_cast<int>(b*255.0f+0.5f) <<  8;\r
  55         code |= static_cast<int>(a*255.0f+0.5f) <<  0;\r
  56         return code;\r
  57 }\r
  58 \r
  59 std::tuple<float, float, float, float> color(int code)\r
  60 {\r
  61         float r = static_cast<float>((code >> 24) & 255)/255.0f;\r
  62         float g = static_cast<float>((code >> 16) & 255)/255.0f;\r
  63         float b = static_cast<float>((code >>  8) & 255)/255.0f;\r
  64         float a = static_cast<float>((code >>  0) & 255)/255.0f;\r
  65         return std::make_tuple(r, g, b, a);\r
  66 }\r
  67 \r
  68 struct drawable : public sf::Drawable\r
  69 {\r
  70         virtual ~drawable(){}\r
  71         virtual void render(sf::RenderTarget& target) = 0;\r
  72         virtual void Render(sf::RenderTarget& target) const { const_cast<drawable*>(this)->render(target);}\r
  73 };\r
  74 \r
  75 class context : public drawable\r
  76 {       \r
  77         std::unique_ptr<sf::RenderWindow> window_;\r
  78         \r
  79         std::list<std::weak_ptr<drawable>> drawables_;\r
  80                 \r
  81         executor executor_;\r
  82 public:                                 \r
  83 \r
  84         static void register_drawable(const std::shared_ptr<drawable>& drawable)\r
  85         {\r
  86                 if(!drawable)\r
  87                         return;\r
  88 \r
  89                 get_instance().executor_.begin_invoke([=]\r
  90                 {\r
  91                         get_instance().do_register_drawable(drawable);\r
  92                 }, high_priority);\r
  93         }\r
  94 \r
  95         static void show(bool value)\r
  96         {\r
  97                 get_instance().executor_.begin_invoke([=]\r
  98                 {       \r
  99                         get_instance().do_show(value);\r
 100                 }, high_priority);\r
 101         }\r
 102                                 \r
 103 private:\r
 104         context() : executor_(L"diagnostics")\r
 105         {\r
 106                 executor_.set_priority_class(below_normal_priority_class);\r
 107         }\r
 108 \r
 109         void do_show(bool value)\r
 110         {\r
 111                 if(value)\r
 112                 {\r
 113                         if(!window_)\r
 114                         {\r
 115                                 window_.reset(new sf::RenderWindow(sf::VideoMode(750, 750), "CasparCG Diagnostics"));\r
 116                                 window_->SetPosition(0, 0);\r
 117                                 window_->SetActive();\r
 118                                 glEnable(GL_BLEND);\r
 119                                 glEnable(GL_LINE_SMOOTH);\r
 120                                 glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);\r
 121                                 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);\r
 122                                 tick();\r
 123                         }\r
 124                 }\r
 125                 else\r
 126                         window_.reset();\r
 127         }\r
 128 \r
 129         void tick()\r
 130         {\r
 131                 if(!window_)\r
 132                         return;\r
 133 \r
 134                 sf::Event e;\r
 135                 while(window_->GetEvent(e))\r
 136                 {\r
 137                         if(e.Type == sf::Event::Closed)\r
 138                         {\r
 139                                 window_.reset();\r
 140                                 return;\r
 141                         }\r
 142                 }               \r
 143                 glClear(GL_COLOR_BUFFER_BIT);\r
 144                 window_->Draw(*this);\r
 145                 window_->Display();\r
 146                 boost::this_thread::sleep(boost::posix_time::milliseconds(10));\r
 147                 executor_.begin_invoke([this]{tick();});\r
 148         }\r
 149 \r
 150         void render(sf::RenderTarget& target)\r
 151         {\r
 152                 auto count = std::max<size_t>(8, drawables_.size());\r
 153                 float target_dy = 1.0f/static_cast<float>(count);\r
 154 \r
 155                 float last_y = 0.0f;\r
 156                 int n = 0;\r
 157                 for(auto it = drawables_.begin(); it != drawables_.end(); ++n)\r
 158                 {\r
 159                         auto drawable = it->lock();\r
 160                         if(drawable)\r
 161                         {\r
 162                                 drawable->SetScale(static_cast<float>(window_->GetWidth()), static_cast<float>(target_dy*window_->GetHeight()));\r
 163                                 float target_y = std::max(last_y, static_cast<float>(n * window_->GetHeight())*target_dy);\r
 164                                 drawable->SetPosition(0.0f, target_y);                  \r
 165                                 target.Draw(*drawable);                         \r
 166                                 ++it;           \r
 167                         }\r
 168                         else    \r
 169                                 it = drawables_.erase(it);                      \r
 170                 }               \r
 171         }       \r
 172         \r
 173         void do_register_drawable(const std::shared_ptr<drawable>& drawable)\r
 174         {\r
 175                 drawables_.push_back(drawable);\r
 176                 auto it = drawables_.begin();\r
 177                 while(it != drawables_.end())\r
 178                 {\r
 179                         if(it->lock())\r
 180                                 ++it;\r
 181                         else    \r
 182                                 it = drawables_.erase(it);                      \r
 183                 }\r
 184         }\r
 185         \r
 186         static context& get_instance()\r
 187         {\r
 188                 static context impl;\r
 189                 return impl;\r
 190         }\r
 191 };\r
 192 \r
 193 class line : public drawable\r
 194 {\r
 195         boost::circular_buffer<std::pair<float, bool>> line_data_;\r
 196 \r
 197         tbb::atomic<float>      tick_data_;\r
 198         tbb::atomic<bool>       tick_tag_;\r
 199         tbb::atomic<int>        color_;\r
 200 public:\r
 201         line(size_t res = 1200)\r
 202                 : line_data_(res)\r
 203         {\r
 204                 tick_data_      = -1.0f;\r
 205                 color_          = 0xFFFFFFFF;\r
 206                 tick_tag_       = false;\r
 207 \r
 208                 line_data_.push_back(std::make_pair(-1.0f, false));\r
 209         }\r
 210         \r
 211         void set_value(float value)\r
 212         {\r
 213                 tick_data_ = value;\r
 214         }\r
 215         \r
 216         void set_tag()\r
 217         {\r
 218                 tick_tag_ = true;\r
 219         }\r
 220                 \r
 221         void set_color(int color)\r
 222         {\r
 223                 color_ = color;\r
 224         }\r
 225 \r
 226         int get_color()\r
 227         {\r
 228                 return color_;\r
 229         }\r
 230                 \r
 231         void render(sf::RenderTarget& target)\r
 232         {\r
 233                 float dx = 1.0f/static_cast<float>(line_data_.capacity());\r
 234                 float x = static_cast<float>(line_data_.capacity()-line_data_.size())*dx;\r
 235 \r
 236                 line_data_.push_back(std::make_pair(tick_data_, tick_tag_));            \r
 237                 tick_tag_   = false;\r
 238                                 \r
 239                 glBegin(GL_LINE_STRIP);\r
 240                 auto c = color(color_);\r
 241                 glColor4f(std::get<0>(c), std::get<1>(c), std::get<2>(c), 0.8f);                \r
 242                 for(size_t n = 0; n < line_data_.size(); ++n)           \r
 243                         if(line_data_[n].first > -0.5)\r
 244                                 glVertex3d(x+n*dx, std::max(0.05, std::min(0.95, (1.0f-line_data_[n].first)*0.8 + 0.1f)), 0.0);         \r
 245                 glEnd();\r
 246                                 \r
 247                 glEnable(GL_LINE_STIPPLE);\r
 248                 glLineStipple(3, 0xAAAA);\r
 249                 for(size_t n = 0; n < line_data_.size(); ++n)   \r
 250                 {\r
 251                         if(line_data_[n].second)\r
 252                         {\r
 253                                 glBegin(GL_LINE_STRIP);                 \r
 254                                         glVertex3f(x+n*dx, 0.0f, 0.0f);                         \r
 255                                         glVertex3f(x+n*dx, 1.0f, 0.0f);         \r
 256                                 glEnd();\r
 257                         }\r
 258                 }\r
 259                 glDisable(GL_LINE_STIPPLE);\r
 260         }\r
 261 };\r
 262 \r
 263 struct graph::impl : public drawable\r
 264 {\r
 265         tbb::concurrent_unordered_map<std::string, diagnostics::line> lines_;\r
 266 \r
 267         tbb::spin_mutex mutex_;\r
 268         std::wstring text_;\r
 269 \r
 270         impl()\r
 271         {\r
 272         }\r
 273                 \r
 274         void set_text(const std::wstring& value)\r
 275         {\r
 276                 auto temp = value;\r
 277                 lock(mutex_, [&]\r
 278                 {\r
 279                         text_ = std::move(temp);\r
 280                 });\r
 281         }\r
 282 \r
 283         void set_value(const std::string& name, double value)\r
 284         {\r
 285                 lines_[name].set_value(value);\r
 286         }\r
 287 \r
 288         void set_tag(const std::string& name)\r
 289         {\r
 290                 lines_[name].set_tag();\r
 291         }\r
 292 \r
 293         void set_color(const std::string& name, int color)\r
 294         {\r
 295                 lines_[name].set_color(color);\r
 296         }\r
 297                 \r
 298 private:\r
 299         void render(sf::RenderTarget& target)\r
 300         {\r
 301                 const size_t text_size = 15;\r
 302                 const size_t text_margin = 2;\r
 303                 const size_t text_offset = (text_size+text_margin*2)*2;\r
 304 \r
 305                 std::wstring text_str;\r
 306                 {\r
 307                         tbb::spin_mutex::scoped_lock lock(mutex_);\r
 308                         text_str = text_;\r
 309                 }\r
 310 \r
 311                 sf::String text(text_str.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 >> 24) & 255, (c >> 16) & 255, (c >> 8) & 255, (c >> 0) & 255));\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                         glEnable(GL_LINE_STIPPLE);\r
 345                         glLineStipple(3, 0xAAAA);\r
 346                         glColor4f(1.0f, 1.0f, 1.9f, 0.5f);      \r
 347                         glBegin(GL_LINE_STRIP);         \r
 348                                 glVertex3f(0.0f, (1.0f-0.5f) * 0.8f + 0.1f, 0.0f);              \r
 349                                 glVertex3f(1.0f, (1.0f-0.5f) * 0.8f + 0.1f, 0.0f);      \r
 350                         glEnd();\r
 351                         glBegin(GL_LINE_STRIP);         \r
 352                                 glVertex3f(0.0f, (1.0f-0.0f) * 0.8f + 0.1f, 0.0f);              \r
 353                                 glVertex3f(1.0f, (1.0f-0.0f) * 0.8f + 0.1f, 0.0f);      \r
 354                         glEnd();\r
 355                         glBegin(GL_LINE_STRIP);         \r
 356                                 glVertex3f(0.0f, (1.0f-1.0f) * 0.8f + 0.1f, 0.0f);              \r
 357                                 glVertex3f(1.0f, (1.0f-1.0f) * 0.8f + 0.1f, 0.0f);      \r
 358                         glEnd();\r
 359                         glDisable(GL_LINE_STIPPLE);\r
 360 \r
 361                         //target.Draw(diagnostics::guide(1.0f, color(1.0f, 1.0f, 1.0f, 0.6f)));\r
 362                         //target.Draw(diagnostics::guide(0.0f, color(1.0f, 1.0f, 1.0f, 0.6f)));\r
 363 \r
 364                         for(auto it = lines_.begin(); it != lines_.end(); ++it)         \r
 365                                 target.Draw(it->second);\r
 366                 \r
 367                 glPopMatrix();\r
 368         }\r
 369 \r
 370         impl(impl&);\r
 371         impl& operator=(impl&);\r
 372 };\r
 373         \r
 374 graph::graph() : impl_(new impl())\r
 375 {\r
 376 }\r
 377 \r
 378 void graph::set_text(const std::wstring& value){impl_->set_text(value);}\r
 379 void graph::set_value(const std::string& name, double value){impl_->set_value(name, value);}\r
 380 void graph::set_color(const std::string& name, int color){impl_->set_color(name, color);}\r
 381 void graph::set_tag(const std::string& name){impl_->set_tag(name);}\r
 382 \r
 383 void register_graph(const safe_ptr<graph>& graph)\r
 384 {\r
 385         context::register_drawable(graph->impl_);\r
 386 }\r
 387 \r
 388 void show_graphs(bool value)\r
 389 {\r
 390         context::show(value);\r
 391 }\r
 392 \r
 393 //namespace v2\r
 394 //{     \r
 395 //      \r
 396 //struct line::impl\r
 397 //{\r
 398 //      std::wstring name_;\r
 399 //      boost::circular_buffer<data> ticks_;\r
 400 //\r
 401 //      impl(const std::wstring& name) \r
 402 //              : name_(name)\r
 403 //              , ticks_(1024){}\r
 404 //      \r
 405 //      void set_value(float value)\r
 406 //      {\r
 407 //              ticks_.push_back();\r
 408 //              ticks_.back().value = value;\r
 409 //      }\r
 410 //\r
 411 //      void set_value(float value)\r
 412 //      {\r
 413 //              ticks_.clear();\r
 414 //              set_value(value);\r
 415 //      }\r
 416 //};\r
 417 //\r
 418 //line::line(){}\r
 419 //line::line(const std::wstring& name) : impl_(new impl(name)){}\r
 420 //std::wstring line::print() const {return impl_->name_;}\r
 421 //void line::set_value(float value){impl_->set_value(value);}\r
 422 //void line::set_value(float value){impl_->set_value(value);}\r
 423 //boost::circular_buffer<data>& line::ticks() { return impl_->ticks_;}\r
 424 //\r
 425 //struct graph::impl\r
 426 //{\r
 427 //      std::map<std::wstring, line> lines_;\r
 428 //      color                                            color_;\r
 429 //      printer                                          printer_;\r
 430 //\r
 431 //      impl(const std::wstring& name) \r
 432 //              : printer_([=]{return name;}){}\r
 433 //\r
 434 //      impl(const printer& parent_printer) \r
 435 //              : printer_(parent_printer){}\r
 436 //      \r
 437 //      void set_value(const std::wstring& name, float value)\r
 438 //      {\r
 439 //              auto it = lines_.find(name);\r
 440 //              if(it == lines_.end())\r
 441 //                      it = lines_.insert(std::make_pair(name, line(name))).first;\r
 442 //\r
 443 //              it->second.set_value(value);\r
 444 //      }\r
 445 //\r
 446 //      void set_value(const std::wstring& name, float value)\r
 447 //      {\r
 448 //              auto it = lines_.find(name);\r
 449 //              if(it == lines_.end())\r
 450 //                      it = lines_.insert(std::make_pair(name, line(name))).first;\r
 451 //\r
 452 //              it->second.set_value(value);\r
 453 //      }\r
 454 //      \r
 455 //      void set_color(const std::wstring& name, color color)\r
 456 //      {\r
 457 //              color_ = color;\r
 458 //      }\r
 459 //\r
 460 //      std::map<std::wstring, line>& get_lines()\r
 461 //      {\r
 462 //              return lines_;\r
 463 //      }\r
 464 //      \r
 465 //      color get_color() const\r
 466 //      {\r
 467 //              return color_;\r
 468 //      }\r
 469 //\r
 470 //      std::wstring print() const\r
 471 //      {\r
 472 //              return printer_ ? printer_() : L"graph";\r
 473 //      }\r
 474 //};\r
 475 //      \r
 476 //graph::graph(const std::wstring& name) : impl_(new impl(name)){}\r
 477 //graph::graph(const printer& parent_printer) : impl_(new impl(parent_printer)){}\r
 478 //void graph::set_value(const std::wstring& name, float value){impl_->set_value(name, value);}\r
 479 //void graph::set_value(const std::wstring& name, float value){impl_->set_value(name, value);}\r
 480 //void graph::set_color(const std::wstring& name, color c){impl_->set_color(name, c);}\r
 481 //color graph::get_color() const {return impl_->get_color();}\r
 482 //std::wstring graph::print() const {return impl_->print();}\r
 483 //\r
 484 //safe_ptr<graph> graph::clone() const \r
 485 //{\r
 486 //      safe_ptr<graph> clone(new graph(std::wstring(L"")));\r
 487 //      clone->impl_->printer_ = impl_->printer_;\r
 488 //      clone->impl_->lines_ = impl_->lines_;\r
 489 //      clone->impl_->color_ = impl_->color_;   \r
 490 //}\r
 491 //\r
 492 //std::map<std::wstring, line>& graph::get_lines() {impl_->get_lines();}\r
 493 //\r
 494 //std::vector<safe_ptr<graph>> g_graphs;\r
 495 //\r
 496 //safe_ptr<graph> create_graph(const std::string& name)\r
 497 //{\r
 498 //      g_graphs.push_back(make_safe<graph>(name));\r
 499 //      return g_graphs.back();\r
 500 //}\r
 501 //\r
 502 //safe_ptr<graph> create_graph(const printer& parent_printer)\r
 503 //{\r
 504 //      g_graphs.push_back(make_safe<graph>(parent_printer));\r
 505 //      return g_graphs.back();\r
 506 //}\r
 507 //\r
 508 //static std::vector<safe_ptr<graph>> get_all_graphs()\r
 509 //{\r
 510 //      std::vector<safe_ptr<graph>> graphs;\r
 511 //      BOOST_FOREACH(auto& graph, g_graphs)\r
 512 //              graphs.push_back(graph->clone());\r
 513 //\r
 514 //      return graphs;\r
 515 //}\r
 516 //\r
 517 //}\r
 518 \r
 519 }}