Line data    Source code

       1             : 
       2             : /* Copyright (c) 2010, Cedric Stalder <cedric.stalder@gmail.com>
       3             :  *               2013, Stefan.Eilemann@epfl.ch
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #include "compressorRLE10A2.h"
      20             : 
      21             : namespace
      22             : {
      23             : static const uint8_t _rleMarker = 0x42; // just a random number
      24             : }
      25             : 
      26             : #include "compressorRLE.ipp"
      27             : 
      28             : namespace lunchbox
      29             : {
      30             : namespace plugin
      31             : {
      32             : namespace
      33             : {
      34          59 : REGISTER_ENGINE( CompressorRLE10A2, DIFF_BGR10_A2, BGR10_A2, \
      35             :                  1., 0.57, 1., true );
      36             : 
      37             : class SwizzleUInt32
      38             : {
      39             : public:
      40           0 :     static inline void swizzle( const uint32_t input, uint8_t& one,
      41             :                                 uint8_t& two, uint8_t& three, uint8_t& four )
      42             :     {
      43             : 
      44           0 :         one = ( input & 0xf ) | (( input &( LB_BIT14 | LB_BIT13 )) >> 8 ) |
      45           0 :                                 (( input &( LB_BIT24 | LB_BIT23 )) >> 16 );
      46             : 
      47           0 :         two = (( input &( LB_BIT26 | LB_BIT25 )) >> 24 ) |
      48             :                ( input &( LB_BIT6 | LB_BIT5 )) |
      49           0 :               (( input &( LB_BIT16 | LB_BIT15 )) >> 12 ) |
      50           0 :               (( input &( LB_BIT12 | LB_BIT11 )) >> 4 );
      51             : 
      52           0 :         three = (( input &( LB_BIT28 | LB_BIT27 )) >> 22 ) |
      53           0 :                 (( input &( LB_BIT18 | LB_BIT17 )) >> 14 ) |
      54             :                  ( input &( LB_BIT8 | LB_BIT7 )) |
      55           0 :                 (( input &( LB_BIT22 | LB_BIT21 )) >> 20 );
      56             : 
      57           0 :         four  = (( input &( LB_BIT32 | LB_BIT31 |
      58           0 :                             LB_BIT30 | LB_BIT29 )) >> 24 ) |
      59           0 :                 (( input &( LB_BIT20 | LB_BIT19 )) >> 16 ) |
      60           0 :                 (( input &( LB_BIT10 | LB_BIT9 )) >> 8 );
      61           0 :     }
      62             : 
      63           0 :     static inline void swizzle( const uint32_t, uint8_t&, uint8_t&, uint8_t& )
      64           0 :         { assert( 0 ); }
      65             : 
      66           0 :     static inline uint32_t deswizzle( const uint8_t one, const uint8_t two,
      67             :                                       const uint8_t three, const uint8_t four )
      68             :     {
      69           0 :         return ( one & 0xf ) |
      70           0 :                (( one &( LB_BIT5 | LB_BIT6 )) << 8 ) |
      71           0 :                (( one &( LB_BIT7 | LB_BIT8 )) << 16 ) |
      72           0 :                (( two &( LB_BIT1 | LB_BIT2 )) << 24 ) |
      73           0 :                (( two &( LB_BIT3 | LB_BIT4 )) << 12 ) |
      74           0 :                 ( two & 0x30 ) |
      75           0 :                (( two &( LB_BIT7 | LB_BIT8 )) << 4 )|
      76           0 :                ( three & 0xc0) |
      77           0 :                (( three &( LB_BIT6 | LB_BIT5 )) << 22 ) |
      78           0 :                (( three &( LB_BIT4 | LB_BIT3 )) << 14 ) |
      79           0 :                (( three &( LB_BIT2 | LB_BIT1 )) << 20 )|
      80           0 :                (( four & 0xf0 ) << 24 ) |
      81           0 :                (( four &( LB_BIT4 | LB_BIT3 )) << 16 ) |
      82           0 :                (( four &( LB_BIT2 | LB_BIT1 )) << 8 );
      83             :     }
      84             : 
      85           0 :     static inline uint32_t deswizzle( const uint8_t, const uint8_t,
      86           0 :                                       const uint8_t ) { assert( 0 ); return 0; }
      87             : };
      88             : 
      89             : 
      90             : }
      91             : 
      92           0 : void CompressorRLE10A2::compress( const void* const inData,
      93             :                                   const eq_uint64_t nPixels,
      94             :                                   const bool /*alpha*/ )
      95             : {
      96             :     _nResults = _compress< uint32_t, uint8_t, SwizzleUInt32,
      97           0 :                            UseAlpha >( inData, nPixels, _results );
      98             : 
      99           0 : }
     100             : 
     101           0 : void CompressorRLE10A2::decompress( const void* const* inData,
     102             :                                     const eq_uint64_t* const inSizes,
     103             :                                     const unsigned numInputs,
     104             :                                     void* const outData,
     105             :                                     eq_uint64_t* const outDims,
     106             :                                     const eq_uint64_t flags, void* const )
     107             : {
     108           0 :     const eq_uint64_t nPixels = ( flags & EQ_COMPRESSOR_DATA_1D) ?
     109           0 :                                     outDims[1] : outDims[1] * outDims[3];
     110             :     _decompress< uint32_t, uint8_t, SwizzleUInt32,
     111           0 :                  UseAlpha >( inData, inSizes, numInputs, outData, nPixels );
     112           0 : }
     113             : 
     114             : }
     115          87 : }