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 "guilib/DirtyRegion.h"
  14 #include "settings/AdvancedSettings.h"
  15 #include "settings/SettingsComponent.h"
  16 #include "utils/log.h"
  17
  18 #include <algorithm>
  19 #include <stdio.h>
  20
  21 CDirtyRegionTracker::CDirtyRegionTracker(int buffering)
  22 {
  23   m_buffering = buffering;
  24   m_solver = NULL;
  25 }
  26
  27 CDirtyRegionTracker::~CDirtyRegionTracker()
  28 {
  29   delete m_solver;
  30 }
  31
  32 void CDirtyRegionTracker::SelectAlgorithm()
  33 {
  34   delete m_solver;
  35
  36   switch (CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_guiAlgorithmDirtyRegions)
  37   {
  38     case DIRTYREGION_SOLVER_FILL_VIEWPORT_ON_CHANGE:
  39       CLog::Log(LOGDEBUG, "guilib: Fill viewport on change for solving rendering passes");
  40       m_solver = new CFillViewportOnChangeRegionSolver();
  41       break;
  42     case DIRTYREGION_SOLVER_COST_REDUCTION:
  43       CLog::Log(LOGDEBUG, "guilib: Cost reduction as algorithm for solving rendering passes");
  44       m_solver = new CGreedyDirtyRegionSolver();
  45       break;
  46     case DIRTYREGION_SOLVER_UNION:
  47       m_solver = new CUnionDirtyRegionSolver();
  48       CLog::Log(LOGDEBUG, "guilib: Union as algorithm for solving rendering passes");
  49       break;
  50     case DIRTYREGION_SOLVER_FILL_VIEWPORT_ALWAYS:
  51     default:
  52       CLog::Log(LOGDEBUG, "guilib: Fill viewport always for solving rendering passes");
  53       m_solver = new CFillViewportAlwaysRegionSolver();
  54       break;
  55   }
  56 }
  57
  58 void CDirtyRegionTracker::MarkDirtyRegion(const CDirtyRegion &region)
  59 {
  60   if (!region.IsEmpty())
  61     m_markedRegions.push_back(region);
  62 }
  63
  64 const CDirtyRegionList &CDirtyRegionTracker::GetMarkedRegions() const
  65 {
  66   return m_markedRegions;
  67 }
  68
  69 CDirtyRegionList CDirtyRegionTracker::GetDirtyRegions()
  70 {
  71   CDirtyRegionList output;
  72
  73   if (m_solver)
  74     m_solver->Solve(m_markedRegions, output);
  75
  76   return output;
  77 }
  78
  79 void CDirtyRegionTracker::CleanMarkedRegions()
  80 {
  81   int buffering = CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_guiVisualizeDirtyRegions ? 20 : m_buffering;
  82   m_markedRegions.erase(
  83       std::remove_if(m_markedRegions.begin(), m_markedRegions.end(),
  84                      [buffering](CDirtyRegion& r) { return r.UpdateAge() >= buffering; }),
  85       m_markedRegions.end());
  86 }