gpu/tools/compositor_model_bench/compositor_model_bench.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // This tool is used to benchmark the render model used by the compositor
   6
   7 // Most of this file is derived from the source of the tile_render_bench tool,
   8 // and has been changed to  support running a sequence of independent
   9 // simulations for our different render models and test cases.
  10
  11 #include <stdio.h>
  12 #include <sys/dir.h>
  13 #include <sys/file.h>
  14 #include <sys/stat.h>
  15 #include <sys/types.h>
  16 #include <X11/keysym.h>
  17 #include <X11/Xlib.h>
  18 #include <X11/Xutil.h>
  19
  20 #include <queue>
  21 #include <string>
  22 #include <vector>
  23
  24 #include "base/at_exit.h"
  25 #include "base/basictypes.h"
  26 #include "base/bind.h"
  27 #include "base/command_line.h"
  28 #include "base/file_util.h"
  29 #include "base/files/file_enumerator.h"
  30 #include "base/files/file_path.h"
  31 #include "base/memory/scoped_ptr.h"
  32 #include "base/message_loop/message_loop.h"
  33 #include "base/time/time.h"
  34
  35 #include "gpu/tools/compositor_model_bench/render_model_utils.h"
  36 #include "gpu/tools/compositor_model_bench/render_models.h"
  37 #include "gpu/tools/compositor_model_bench/render_tree.h"
  38
  39
  40 using base::TimeTicks;
  41 using file_util::CloseFile;
  42 using base::DirectoryExists;
  43 using file_util::OpenFile;
  44 using base::PathExists;
  45 using std::queue;
  46 using std::string;
  47
  48 struct SimulationSpecification {
  49   string simulation_name;
  50   base::FilePath input_path;
  51   RenderModel model_under_test;
  52   TimeTicks simulation_start_time;
  53   int frames_rendered;
  54 };
  55
  56 // Forward declarations
  57 class Simulator;
  58 void _process_events(Simulator* sim);
  59 void _update_loop(Simulator* sim);
  60
  61 class Simulator {
  62  public:
  63   Simulator(int seconds_per_test, const base::FilePath& output_path)
  64      : current_sim_(NULL),
  65        output_path_(output_path),
  66        seconds_per_test_(seconds_per_test),
  67        weak_factory_(this),
  68        display_(NULL),
  69        window_(0),
  70        gl_context_(NULL),
  71        window_width_(WINDOW_WIDTH),
  72        window_height_(WINDOW_HEIGHT) {
  73   }
  74
  75   ~Simulator() {
  76     // Cleanup GL.
  77     glXMakeCurrent(display_, 0, NULL);
  78     glXDestroyContext(display_, gl_context_);
  79
  80     // Destroy window and display.
  81     XDestroyWindow(display_, window_);
  82     XCloseDisplay(display_);
  83   }
  84
  85   void QueueTest(const base::FilePath& path) {
  86     SimulationSpecification spec;
  87
  88     // To get a std::string, we'll try to get an ASCII simulation name.
  89     // If the name of the file wasn't ASCII, this will give an empty simulation
  90     //  name, but that's not really harmful (we'll still warn about it though.)
  91     spec.simulation_name = path.BaseName().RemoveExtension().MaybeAsASCII();
  92     if (spec.simulation_name == "") {
  93       LOG(WARNING) << "Simulation for path " << path.LossyDisplayName() <<
  94         " will have a blank simulation name, since the file name isn't ASCII";
  95     }
  96     spec.input_path = path;
  97     spec.model_under_test = ForwardRenderModel;
  98     spec.frames_rendered = 0;
  99
 100     sims_remaining_.push(spec);
 101
 102     // The following lines are commented out pending the addition
 103     // of the new render model once this version gets fully checked in.
 104     //
 105     //  spec.model_under_test = KDTreeRenderModel;
 106     //  sims_remaining_.push(spec);
 107   }
 108
 109   void Run() {
 110     if (!sims_remaining_.size()) {
 111       LOG(WARNING) << "No configuration files loaded.";
 112       return;
 113     }
 114
 115     base::AtExitManager at_exit;
 116     base::MessageLoop loop;
 117     if (!InitX11() || !InitGLContext()) {
 118       LOG(FATAL) << "Failed to set up GUI.";
 119     }
 120
 121     InitBuffers();
 122
 123     LOG(INFO) << "Running " << sims_remaining_.size() << " simulations.";
 124
 125     loop.PostTask(FROM_HERE,
 126                   base::Bind(&Simulator::ProcessEvents,
 127                              weak_factory_.GetWeakPtr()));
 128     loop.Run();
 129   }
 130
 131   void ProcessEvents() {
 132     // Consume all the X events.
 133     while (XPending(display_)) {
 134       XEvent e;
 135       XNextEvent(display_, &e);
 136       switch (e.type) {
 137         case Expose:
 138           UpdateLoop();
 139           break;
 140         case ConfigureNotify:
 141           Resize(e.xconfigure.width, e.xconfigure.height);
 142           break;
 143         default:
 144           break;
 145       }
 146     }
 147   }
 148
 149   void UpdateLoop() {
 150     if (UpdateTestStatus())
 151       UpdateCurrentTest();
 152   }
 153
 154  private:
 155   // Initialize X11. Returns true if successful. This method creates the
 156   // X11 window. Further initialization is done in X11VideoRenderer.
 157   bool InitX11() {
 158     display_ = XOpenDisplay(NULL);
 159     if (!display_) {
 160       LOG(FATAL) << "Cannot open display";
 161       return false;
 162     }
 163
 164     // Get properties of the screen.
 165     int screen = DefaultScreen(display_);
 166     int root_window = RootWindow(display_, screen);
 167
 168     // Creates the window.
 169     window_ = XCreateSimpleWindow(display_,
 170                                   root_window,
 171                                   1,
 172                                   1,
 173                                   window_width_,
 174                                   window_height_,
 175                                   0,
 176                                   BlackPixel(display_, screen),
 177                                   BlackPixel(display_, screen));
 178     XStoreName(display_, window_, "Compositor Model Bench");
 179
 180     XSelectInput(display_, window_,
 181                  ExposureMask | KeyPressMask | StructureNotifyMask);
 182     XMapWindow(display_, window_);
 183
 184     XResizeWindow(display_, window_, WINDOW_WIDTH, WINDOW_HEIGHT);
 185
 186     return true;
 187   }
 188
 189   // Initialize the OpenGL context.
 190   bool InitGLContext() {
 191     if (!InitializeGLBindings(gfx::kGLImplementationDesktopGL)) {
 192       LOG(FATAL) << "InitializeGLBindings failed";
 193       return false;
 194     }
 195
 196     XWindowAttributes attributes;
 197     XGetWindowAttributes(display_, window_, &attributes);
 198     XVisualInfo visual_info_template;
 199     visual_info_template.visualid = XVisualIDFromVisual(attributes.visual);
 200     int visual_info_count = 0;
 201     XVisualInfo* visual_info_list = XGetVisualInfo(display_, VisualIDMask,
 202                                                    &visual_info_template,
 203                                                    &visual_info_count);
 204
 205     for (int i = 0; i < visual_info_count && !gl_context_; ++i) {
 206       gl_context_ = glXCreateContext(display_, visual_info_list + i, 0,
 207                                      True /* Direct rendering */);
 208     }
 209
 210     XFree(visual_info_list);
 211     if (!gl_context_) {
 212       return false;
 213     }
 214
 215     if (!glXMakeCurrent(display_, window_, gl_context_)) {
 216       glXDestroyContext(display_, gl_context_);
 217       gl_context_ = NULL;
 218       return false;
 219     }
 220
 221     return true;
 222   }
 223
 224   bool InitializeNextTest() {
 225     SimulationSpecification& spec = sims_remaining_.front();
 226     LOG(INFO) << "Initializing test for " << spec.simulation_name <<
 227         "(" << ModelToString(spec.model_under_test) << ")";
 228     const base::FilePath& path = spec.input_path;
 229
 230     RenderNode* root = NULL;
 231     if (!(root = BuildRenderTreeFromFile(path))) {
 232       LOG(ERROR) << "Couldn't parse test configuration file " <<
 233           path.LossyDisplayName();
 234       return false;
 235     }
 236
 237     current_sim_ = ConstructSimulationModel(spec.model_under_test,
 238                                             root,
 239                                             window_width_,
 240                                             window_height_);
 241     if (!current_sim_)
 242       return false;
 243
 244     return true;
 245   }
 246
 247   void CleanupCurrentTest() {
 248     LOG(INFO) << "Finished test " << sims_remaining_.front().simulation_name;
 249
 250     delete current_sim_;
 251     current_sim_ = NULL;
 252   }
 253
 254   void UpdateCurrentTest() {
 255     ++sims_remaining_.front().frames_rendered;
 256
 257     if (current_sim_)
 258       current_sim_->Update();
 259
 260     glXSwapBuffers(display_, window_);
 261
 262     XExposeEvent ev = { Expose, 0, 1, display_, window_,
 263                         0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, 0 };
 264     XSendEvent(display_,
 265       window_,
 266       False,
 267       ExposureMask,
 268       reinterpret_cast<XEvent*>(&ev));
 269
 270     base::MessageLoop::current()->PostTask(
 271         FROM_HERE,
 272         base::Bind(&Simulator::UpdateLoop, weak_factory_.GetWeakPtr()));
 273   }
 274
 275   void DumpOutput() {
 276     LOG(INFO) << "Successfully ran " << sims_completed_.size() << " tests";
 277
 278     FILE* f = OpenFile(output_path_, "w");
 279
 280     if (!f) {
 281       LOG(ERROR) << "Failed to open output file " <<
 282         output_path_.LossyDisplayName();
 283       exit(-1);
 284     }
 285
 286     LOG(INFO) << "Writing results to " << output_path_.LossyDisplayName();
 287
 288     fputs("{\n\t\"results\": [\n", f);
 289
 290     while (sims_completed_.size()) {
 291       SimulationSpecification i = sims_completed_.front();
 292       fprintf(f,
 293         "\t\t{\"simulation_name\":\"%s\",\n"
 294         "\t\t\t\"render_model\":\"%s\",\n"
 295         "\t\t\t\"frames_drawn\":%d\n"
 296         "\t\t},\n",
 297         i.simulation_name.c_str(),
 298         ModelToString(i.model_under_test),
 299         i.frames_rendered);
 300       sims_completed_.pop();
 301     }
 302
 303     fputs("\t]\n}", f);
 304     CloseFile(f);
 305   }
 306
 307   bool UpdateTestStatus() {
 308     TimeTicks& current_start = sims_remaining_.front().simulation_start_time;
 309     base::TimeDelta d = TimeTicks::Now() - current_start;
 310     if (!current_start.is_null() && d.InSeconds() > seconds_per_test_) {
 311       CleanupCurrentTest();
 312       sims_completed_.push(sims_remaining_.front());
 313       sims_remaining_.pop();
 314     }
 315
 316     if (sims_remaining_.size() &&
 317       sims_remaining_.front().simulation_start_time.is_null()) {
 318       while (sims_remaining_.size() && !InitializeNextTest()) {
 319         sims_remaining_.pop();
 320       }
 321       if (sims_remaining_.size()) {
 322         sims_remaining_.front().simulation_start_time = TimeTicks::Now();
 323       }
 324     }
 325
 326     if (!sims_remaining_.size()) {
 327       DumpOutput();
 328       base::MessageLoop::current()->Quit();
 329       return false;
 330     }
 331
 332     return true;
 333   }
 334
 335   void Resize(int width, int height) {
 336     window_width_ = width;
 337     window_height_ = height;
 338     if (current_sim_)
 339       current_sim_->Resize(window_width_, window_height_);
 340   }
 341
 342   // Simulation task list for this execution
 343   RenderModelSimulator* current_sim_;
 344   queue<SimulationSpecification> sims_remaining_;
 345   queue<SimulationSpecification> sims_completed_;
 346   base::FilePath output_path_;
 347   // Amount of time to run each simulation
 348   int seconds_per_test_;
 349   // GUI data
 350   base::WeakPtrFactory<Simulator> weak_factory_;
 351   Display* display_;
 352   Window window_;
 353   GLXContext gl_context_;
 354   int window_width_;
 355   int window_height_;
 356 };
 357
 358 int main(int argc, char* argv[]) {
 359   CommandLine::Init(argc, argv);
 360   const CommandLine* cl = CommandLine::ForCurrentProcess();
 361
 362   if (argc != 3 && argc != 4) {
 363     LOG(INFO) << "Usage: \n" <<
 364       cl->GetProgram().BaseName().LossyDisplayName() <<
 365       "--in=[input path] --out=[output path] (duration=[seconds])\n"
 366       "The input path specifies either a JSON configuration file or\n"
 367       "a directory containing only these files\n"
 368       "(if a directory is specified, simulations will be run for\n"
 369       "all files in that directory and subdirectories)\n"
 370       "The optional duration parameter specifies the (integer)\n"
 371       "number of seconds to be spent on each simulation.\n"
 372       "Performance measurements for the specified simulation(s) are\n"
 373       "written to the output path.";
 374     return -1;
 375   }
 376
 377   int seconds_per_test = 1;
 378   if (cl->HasSwitch("duration")) {
 379     seconds_per_test = atoi(cl->GetSwitchValueASCII("duration").c_str());
 380   }
 381
 382   Simulator sim(seconds_per_test, cl->GetSwitchValuePath("out"));
 383   base::FilePath inPath = cl->GetSwitchValuePath("in");
 384
 385   if (!PathExists(inPath)) {
 386     LOG(FATAL) << "Path does not exist: " << inPath.LossyDisplayName();
 387     return -1;
 388   }
 389
 390   if (DirectoryExists(inPath)) {
 391     LOG(INFO) << "(input path is a directory)";
 392     base::FileEnumerator dirItr(inPath, true, base::FileEnumerator::FILES);
 393     for (base::FilePath f = dirItr.Next(); !f.empty(); f = dirItr.Next()) {
 394       sim.QueueTest(f);
 395     }
 396   } else {
 397     LOG(INFO) << "(input path is a file)";
 398     sim.QueueTest(inPath);
 399   }
 400
 401   sim.Run();
 402
 403   return 0;
 404 }