Equalizer  1.2.1
compressor.h
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00001 
00002 /* Copyright (c) 2009-2010, Cedric Stalder <cedric.stalder@gmail.com> 
00003  *               2009-2011, Stefan Eilemann <eile@equalizergraphics.com>
00004  *
00005  * This library is free software; you can redistribute it and/or modify it under
00006  * the terms of the GNU Lesser General Public License version 2.1 as published
00007  * by the Free Software Foundation.
00008  *  
00009  * This library is distributed in the hope that it will be useful, but WITHOUT
00010  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00011  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00012  * details.
00013  * 
00014  * You should have received a copy of the GNU Lesser General Public License
00015  * along with this library; if not, write to the Free Software Foundation, Inc.,
00016  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00017  */
00018 
00162 #ifndef EQ_PLUGINS_COMPRESSOR
00163 #define EQ_PLUGINS_COMPRESSOR
00164 
00166 #include <sys/types.h>
00167 struct GLEWContextStruct;
00168 struct WGLEWContextStruct;
00169 typedef struct GLEWContextStruct GLEWContext;
00170 typedef struct WGLEWContextStruct WGLEWContext;
00171 typedef unsigned long long eq_uint64_t;
00172 
00173 #ifdef _MSC_VER
00174 #  ifdef EQ_PLUGIN_BUILD
00175 #    define EQ_PLUGIN_API __declspec(dllexport) 
00176 #  else
00177 #    define EQ_PLUGIN_API __declspec(dllimport)
00178 #  endif
00179 #else // _WIN32
00180 #  define EQ_PLUGIN_API __attribute__ ((visibility("default")))
00181 #endif
00182 
00187 #define EQ_COMPRESSOR_VERSION 3
00188 
00189 #define EQ_COMPRESSOR_VERSION_1 1
00190 
00191 #define EQ_COMPRESSOR_VERSION_2 1
00192 
00193 #define EQ_COMPRESSOR_VERSION_3 1
00194 
00196 #include <co/plugins/compressorTokens.h>
00197 #include <co/plugins/compressorTypes.h>
00198 
00199 #ifdef __cplusplus
00200 #  include <vector>
00201 
00202 extern "C" {
00203 #endif
00204 
00216     #define EQ_COMPRESSOR_INPLACE    0x1
00217 
00221     #define EQ_COMPRESSOR_DATA_1D    0x2
00222 
00227     #define EQ_COMPRESSOR_DATA_2D    0x4
00228 
00244     #define EQ_COMPRESSOR_IGNORE_ALPHA 0x8
00245 
00246     #define EQ_COMPRESSOR_IGNORE_MSE EQ_COMPRESSOR_IGNORE_ALPHA
00247 
00254     #define EQ_COMPRESSOR_CPU 0
00255 
00262     #define EQ_COMPRESSOR_TRANSFER 0x10
00263 
00270     #define EQ_COMPRESSOR_USE_TEXTURE_RECT 0x20
00271 
00277     #define EQ_COMPRESSOR_USE_TEXTURE_2D 0x80
00278 
00284     #define EQ_COMPRESSOR_USE_FRAMEBUFFER 0x40
00285 
00290     struct EqCompressorInfo
00291     {
00300         unsigned version;
00301 
00303         unsigned name;
00304 
00313         unsigned tokenType;
00314 
00316         eq_uint64_t capabilities;
00317 
00319         float quality;
00320 
00322         float ratio;
00323 
00325         float speed;
00326 
00339         unsigned outputTokenType;
00340 
00342         unsigned outputTokenSize;
00343     };
00344 
00346     EQ_PLUGIN_API size_t EqCompressorGetNumCompressors();
00347 
00361     EQ_PLUGIN_API void EqCompressorGetInfo( const size_t n,
00362                                             EqCompressorInfo* const info );
00382     EQ_PLUGIN_API void* EqCompressorNewCompressor( const unsigned name );
00383 
00390     EQ_PLUGIN_API void EqCompressorDeleteCompressor( void* const compressor );
00391 
00405     EQ_PLUGIN_API void* EqCompressorNewDecompressor( const unsigned name );
00412     EQ_PLUGIN_API void EqCompressorDeleteDecompressor(void* const decompressor);
00440     EQ_PLUGIN_API void EqCompressorCompress( void* const compressor, 
00441                                              const unsigned name,
00442                                              void* const in, 
00443                                              const eq_uint64_t* inDims,
00444                                              const eq_uint64_t flags );
00445 
00457     EQ_PLUGIN_API unsigned EqCompressorGetNumResults( void* const compressor,
00458                                                       const unsigned name );
00459 
00470     EQ_PLUGIN_API void EqCompressorGetResult( void* const compressor, 
00471                                               const unsigned name,
00472                                               const unsigned i, 
00473                                               void** const out, 
00474                                               eq_uint64_t* const outSize );
00475 
00496     EQ_PLUGIN_API void EqCompressorDecompress( void* const decompressor, 
00497                                                const unsigned name,
00498                                                const void* const* in, 
00499                                                const eq_uint64_t* const inSizes,
00500                                                const unsigned numInputs,
00501                                                void* const out,
00502                                                eq_uint64_t* const outDims,
00503                                                const eq_uint64_t flags );
00522     EQ_PLUGIN_API bool EqCompressorIsCompatible( const unsigned name,
00523                                                const GLEWContext* glewContext );
00524 
00572     EQ_PLUGIN_API void EqCompressorDownload( void* const        compressor,
00573                                              const unsigned     name,
00574                                              const GLEWContext* glewContext,
00575                                              const eq_uint64_t  inDims[4],
00576                                              const unsigned     source,
00577                                              const eq_uint64_t  flags,
00578                                              eq_uint64_t        outDims[4],
00579                                              void**             out );
00580 
00622     EQ_PLUGIN_API void EqCompressorUpload( void* const        decompressor,
00623                                            const unsigned     name,
00624                                            const GLEWContext* glewContext, 
00625                                            const void*        buffer,
00626                                            const eq_uint64_t  inDims[4],
00627                                            const eq_uint64_t  flags,
00628                                            const eq_uint64_t  outDims[4],  
00629                                            const unsigned     destination );
00631 #ifdef __cplusplus
00632 }
00633 #endif
00634 #endif // EQ_PLUGINS_COMPRESSOR
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