LCOV - code coverage report
Current view: top level - lunchbox - uploader.cpp (source / functions) Hit Total Coverage
Test: lcov2.info Lines: 1 86 1.2 %
Date: 2014-10-01 Functions: 2 24 8.3 %

          Line data    Source code
       1             : 
       2             : /* Copyright (C) 2013-2014, Stefan.Eilemann@epfl.ch
       3             :  *
       4             :  * This file is part of Lunchbox <https://github.com/Eyescale/Lunchbox>
       5             :  *
       6             :  * This library is free software; you can redistribute it and/or modify it under
       7             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       8             :  * by the Free Software Foundation.
       9             :  *
      10             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      11             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      12             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      13             :  * details.
      14             :  *
      15             :  * You should have received a copy of the GNU Lesser General Public License
      16             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      17             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             :  */
      19             : 
      20             : #include "uploader.h"
      21             : 
      22             : #include "plugin.h"
      23             : #include "pluginInstance.h"
      24             : #include "pluginRegistry.h"
      25             : #include "pluginVisitor.h"
      26             : 
      27             : namespace lunchbox
      28             : {
      29             : namespace detail
      30             : {
      31             : class Uploader : public PluginInstance
      32             : {
      33             : public:
      34           0 :     Uploader() {}
      35             : 
      36           0 :     Uploader( lunchbox::PluginRegistry& registry, const uint32_t name )
      37           0 :     {
      38           0 :         setup( registry, name );
      39           0 :     }
      40             : 
      41           0 :     ~Uploader()
      42           0 :     {
      43           0 :         clear();
      44           0 :     }
      45             : 
      46           0 :     void clear()
      47             :     {
      48           0 :         if( plugin && instance )
      49           0 :             plugin->deleteDecompressor( instance );
      50           0 :         PluginInstance::clear();
      51           0 :     }
      52             : 
      53           0 :     bool setup( lunchbox::PluginRegistry& registry, const uint32_t name )
      54             :     {
      55           0 :         if( instance && name == info.name )
      56           0 :             return true;
      57             : 
      58           0 :         clear();
      59             : 
      60           0 :         if( name <= EQ_COMPRESSOR_NONE )
      61           0 :             return true;
      62             : 
      63           0 :         plugin = registry.findPlugin( name );
      64           0 :         LBASSERT( plugin );
      65           0 :         if( !plugin )
      66           0 :             return false;
      67             : 
      68           0 :         instance = plugin->newCompressor( name );
      69           0 :         info = plugin->findInfo( name );
      70           0 :         LBASSERT( instance );
      71           0 :         LBASSERT( info.name == name );
      72           0 :         LBASSERT( info.capabilities & EQ_COMPRESSOR_TRANSFER );
      73           0 :         LBLOG( LOG_PLUGIN ) << "Instantiated uploader of type 0x" << std::hex
      74           0 :                             << name << std::dec << std::endl;
      75           0 :         return instance;
      76             :     }
      77             : };
      78             : }
      79             : 
      80           0 : Uploader::Uploader()
      81           0 :     : impl_( new detail::Uploader )
      82             : {
      83           0 :     LB_TS_THREAD( _thread );
      84           0 : }
      85             : 
      86           0 : Uploader::Uploader( PluginRegistry& registry, const uint32_t name )
      87           0 :     : impl_( new detail::Uploader( registry, name ))
      88             : {
      89           0 :     LB_TS_THREAD( _thread );
      90           0 : }
      91             : 
      92           0 : Uploader::~Uploader()
      93             : {
      94           0 :     LBASSERTINFO( impl_->plugin == 0,
      95             :                   "Clear uploader while GL context is still active" );
      96           0 :     delete impl_;
      97           0 : }
      98             : 
      99           0 : bool Uploader::isGood( const GLEWContext* gl ) const
     100             : {
     101           0 :     LB_TS_SCOPED( _thread );
     102           0 :     return impl_->isGood() && impl_->instance &&
     103           0 :         impl_->plugin->isCompatible( impl_->info.name, gl );
     104             : }
     105             : 
     106           0 : bool Uploader::uses( const uint32_t name ) const
     107             : {
     108           0 :     return impl_->isGood() && impl_->instance && impl_->info.name == name;
     109             : }
     110             : 
     111           0 : bool Uploader::supports( const uint32_t externalFormat,
     112             :                          const uint32_t internalFormat,
     113             :                          const uint64_t capabilities,
     114             :                          const GLEWContext* gl ) const
     115             : {
     116           0 :     return isGood( gl ) && impl_->info.outputTokenType == externalFormat &&
     117           0 :            (impl_->info.capabilities & capabilities) == capabilities &&
     118           0 :            impl_->info.tokenType == internalFormat;
     119             : }
     120             : 
     121             : namespace
     122             : {
     123           0 : class Finder : public ConstPluginVisitor
     124             : {
     125             : public:
     126           0 :     Finder( const uint32_t externalFormat, const uint32_t internalFormat,
     127             :             const uint64_t capabilities, const GLEWContext* gl )
     128             :         : externalFormat_( externalFormat )
     129             :         , internalFormat_( internalFormat )
     130             :         , capabilities_( capabilities )
     131           0 :         , gl_( gl )
     132             :     {
     133           0 :         current.name = EQ_COMPRESSOR_NONE;
     134           0 :         current.speed = 0.f;
     135           0 :     }
     136             : 
     137           0 :     virtual VisitorResult visit( const Plugin& plugin,
     138             :                                  const EqCompressorInfo& info )
     139             :     {
     140           0 :         if( (info.capabilities & capabilities_) == capabilities_ &&
     141           0 :             info.outputTokenType == externalFormat_ &&
     142           0 :             info.tokenType == internalFormat_ &&
     143           0 :             plugin.isCompatible( info.name, gl_ ) &&
     144           0 :             current.speed < info.speed )
     145             :         {
     146           0 :             current = info;
     147             :         }
     148           0 :         return TRAVERSE_CONTINUE;
     149             :     }
     150             : 
     151             :     EqCompressorInfo current;
     152             : 
     153             : private:
     154             :     const uint32_t externalFormat_;
     155             :     const uint32_t internalFormat_;
     156             :     const uint64_t capabilities_;
     157             :     const GLEWContext* gl_;
     158             : };
     159             : }
     160             : 
     161           0 : uint32_t Uploader::choose( const PluginRegistry& registry,
     162             :                            const uint32_t externalFormat,
     163             :                            const uint32_t internalFormat,
     164             :                            const uint64_t capabilities, const GLEWContext* gl )
     165             : {
     166           0 :     Finder finder( externalFormat, internalFormat, capabilities, gl );
     167           0 :     registry.accept( finder );
     168           0 :     return finder.current.name;
     169             : }
     170             : 
     171           0 : const EqCompressorInfo& Uploader::getInfo() const
     172             : {
     173           0 :     return impl_->info;
     174             : }
     175             : 
     176           0 : bool Uploader::setup( PluginRegistry& from, const uint32_t name )
     177             : {
     178           0 :     return impl_->setup( from, name );
     179             : }
     180             : 
     181           0 : bool Uploader::setup( PluginRegistry& from, const uint32_t externalFormat,
     182             :                       const uint32_t internalFormat,
     183             :                       const uint64_t capabilities, const GLEWContext* gl )
     184             : {
     185             :     return impl_->setup( from, choose( from, externalFormat, internalFormat,
     186           0 :                                        capabilities, gl ));
     187             : }
     188             : 
     189           0 : void Uploader::clear()
     190             : {
     191           0 :     impl_->clear();
     192           0 : }
     193             : 
     194           0 : void Uploader::upload( const void* buffer, const uint64_t inDims[4],
     195             :                        const uint64_t flags, const uint64_t outDims[4],
     196             :                        const unsigned destination, const GLEWContext* gl )
     197             : {
     198           0 :     LBASSERT( isGood( gl ));
     199             :     impl_->plugin->upload( impl_->instance, impl_->info.name, gl, buffer,
     200           0 :                            inDims, flags, outDims, destination );
     201           0 : }
     202             : 
     203          90 : }

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