xbmc/guilib/DirtyRegionTracker.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "DirtyRegionTracker.h"
  10
  11 #include "DirtyRegionSolvers.h"
  12 #include "ServiceBroker.h"
  13 #include "settings/AdvancedSettings.h"
  14 #include "settings/SettingsComponent.h"
  15 #include "utils/log.h"
  16
  17 #include <stdio.h>
  18
  19 CDirtyRegionTracker::CDirtyRegionTracker(int buffering)
  20 {
  21   m_buffering = buffering;
  22   m_solver = NULL;
  23 }
  24
  25 CDirtyRegionTracker::~CDirtyRegionTracker()
  26 {
  27   delete m_solver;
  28 }
  29
  30 void CDirtyRegionTracker::SelectAlgorithm()
  31 {
  32   delete m_solver;
  33
  34   switch (CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_guiAlgorithmDirtyRegions)
  35   {
  36     case DIRTYREGION_SOLVER_FILL_VIEWPORT_ON_CHANGE:
  37       CLog::Log(LOGDEBUG, "guilib: Fill viewport on change for solving rendering passes");
  38       m_solver = new CFillViewportOnChangeRegionSolver();
  39       break;
  40     case DIRTYREGION_SOLVER_COST_REDUCTION:
  41       CLog::Log(LOGDEBUG, "guilib: Cost reduction as algorithm for solving rendering passes");
  42       m_solver = new CGreedyDirtyRegionSolver();
  43       break;
  44     case DIRTYREGION_SOLVER_UNION:
  45       m_solver = new CUnionDirtyRegionSolver();
  46       CLog::Log(LOGDEBUG, "guilib: Union as algorithm for solving rendering passes");
  47       break;
  48     case DIRTYREGION_SOLVER_FILL_VIEWPORT_ALWAYS:
  49     default:
  50       CLog::Log(LOGDEBUG, "guilib: Fill viewport always for solving rendering passes");
  51       m_solver = new CFillViewportAlwaysRegionSolver();
  52       break;
  53   }
  54 }
  55
  56 void CDirtyRegionTracker::MarkDirtyRegion(const CDirtyRegion &region)
  57 {
  58   if (!region.IsEmpty())
  59     m_markedRegions.push_back(region);
  60 }
  61
  62 const CDirtyRegionList &CDirtyRegionTracker::GetMarkedRegions() const
  63 {
  64   return m_markedRegions;
  65 }
  66
  67 CDirtyRegionList CDirtyRegionTracker::GetDirtyRegions()
  68 {
  69   CDirtyRegionList output;
  70
  71   if (m_solver)
  72     m_solver->Solve(m_markedRegions, output);
  73
  74   return output;
  75 }
  76
  77 void CDirtyRegionTracker::CleanMarkedRegions()
  78 {
  79   int buffering = CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_guiVisualizeDirtyRegions ? 20 : m_buffering;
  80   int i = m_markedRegions.size() - 1;
  81   while (i >= 0)
  82         {
  83     if (m_markedRegions[i].UpdateAge() >= buffering)
  84       m_markedRegions.erase(m_markedRegions.begin() + i);
  85
  86     i--;
  87   }
  88 }