os/graphics/fbs/fontandbitmapserver/sfbs/fbsoogmplugin.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /*
     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description:  Graphics-Out-Of-Memory plugin for Font and Bitmap server.
    15 *
    16 */
    17 
    18 #include <ecom/ecom.h>
    19 #include <ecom/implementationproxy.h>
    20 #include <graphics/fbsoogmmessage.h>
    21 #include <w32std.h>
    22 #include <FBS.H>
    23 
    24 #include "fbsoogmplugin.h"
    25 #include "OstTraceDefinitions.h"
    26 #ifdef OST_TRACE_COMPILER_IN_USE
    27 #include "fbsoogmpluginTraces.h"
    28 #endif
    29 
    30 
    31 /**
    32  Called by the GOoM monitor framework in the case of low GPU memory.
    33 
    34  Note: In the case of failure, this framework method will do so silently.
    35 
    36  @param aBytesToFree The amount of GPU memory to be freed.
    37  */
    38 void CFbsOogmMonitorPlugin::FreeRam( TInt aBytesToFree, TInt aFlags )
    39     {
    40     OstTrace0( TRACE_NORMAL, CFBSOOGMMONITORPLUGIN_FREERAM, "> " );
    41 
    42     if ( (NULL == RFbsSession::GetSession()) )
    43          {
    44          if ( KErrNone != RFbsSession::Connect() )
    45              {
    46              OstTrace0( TRACE_NORMAL, DUP2_CFBSOOGMMONITORPLUGIN_FREERAM, "< No FbsSession" );
    47 
    48              return;
    49              }
    50 
    51          }
    52 
    53     TFbsOogmMessage oogmMessage( TFbsOogmMessage::EFbsOogmLowNotification, aBytesToFree, aFlags );
    54     (void)RFbsSession::GetSession()->ConveyOogmMessage( oogmMessage );
    55 
    56     OstTrace0( TRACE_NORMAL, DUP1_CFBSOOGMMONITORPLUGIN_FREERAM, "< " );
    57     }
    58 
    59 
    60 
    61 /**
    62  Called by the GOoM monitor framework in the case of normal GPU memory-usage being permissible.
    63 
    64  Note: In the case of failure, this framework method will do so silently.
    65  */
    66 void CFbsOogmMonitorPlugin::MemoryGood( TInt aFlags )
    67     {
    68     OstTrace0( TRACE_NORMAL, CFBSOOGMMONITORPLUGIN_MEMORYGOOD, ">" );
    69 
    70     if ( (NULL == RFbsSession::GetSession()) )
    71          {
    72         if ( KErrNone != RFbsSession::Connect() )
    73             {
    74             OstTrace0( TRACE_NORMAL, DUP2_CFBSOOGMMONITORPLUGIN_MEMORYGOOD, "< No FbsSession" );
    75 
    76             return;
    77             }
    78 
    79          }
    80 
    81     const TInt KOogmDummyIntegerArgument = 0;
    82     TFbsOogmMessage oogmMessage( TFbsOogmMessage::EFbsOogmOkayNotification, KOogmDummyIntegerArgument, aFlags );
    83     (void)RFbsSession::GetSession()->ConveyOogmMessage( oogmMessage );
    84 
    85 	OstTrace0( TRACE_NORMAL, DUP1_CFBSOOGMMONITORPLUGIN_MEMORYGOOD, "<" );
    86     }
    87 
    88 
    89 
    90 /**
    91 
    92  */
    93 CFbsOogmMonitorPlugin::CFbsOogmMonitorPlugin()
    94     {
    95     }
    96 
    97 
    98 
    99 /**
   100 
   101  */
   102 CFbsOogmMonitorPlugin::~CFbsOogmMonitorPlugin()
   103     {
   104     RFbsSession::Disconnect();
   105     }
   106 
   107 
   108 
   109 /**
   110 
   111  */
   112 void CFbsOogmMonitorPlugin::ConstructL()
   113     {
   114     CGOomMonitorPluginBase::ConstructL();
   115     }
   116 
   117 
   118 
   119 /**
   120 
   121  */
   122 TAny* CreatePlugin()
   123     {
   124     CFbsOogmMonitorPlugin* self = new CFbsOogmMonitorPlugin;
   125     if ( self )
   126         {
   127         TRAPD( err, self->ConstructL() );
   128         if ( err != KErrNone )
   129             {
   130             delete self;
   131             self = NULL;
   132             }
   133         }
   134 
   135     return self;
   136     }
   137 
   138 
   139 
   140 /**
   141 
   142  */
   143 const TImplementationProxy ImplementationTable[] =
   144     {
   145     { {0x2002B638}, ::CreatePlugin }
   146     };
   147 
   148 
   149 
   150 /**
   151 
   152  */
   153 EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )
   154     {
   155     OstTrace0( TRACE_NORMAL, _IMPLEMENTATIONGROUPPROXY, "> ::ImplementationGroupProxy" );
   156     
   157     aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy ) ;
   158     return ImplementationTable;
   159     }
   160 
   161 
   162