Line data    Source code

       1             : 
       2             : /* Copyright (c) 2009, Cedric Stalder <cedric.stalder@gmail.com>
       3             :  *               2013, Stefan Eilemann <eile@eyescale.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             : #ifndef EQ_PLUGIN_COMPRESSORYUV
      20             : #define EQ_PLUGIN_COMPRESSORYUV
      21             : 
      22             : #include "compressor.h"
      23             : 
      24             : #include <eq/gl.h>
      25             : #include <eq/util/texture.h>
      26             : #include <eq/util/types.h>
      27             : #include <lunchbox/buffer.h>
      28             : 
      29             : namespace eq
      30             : {
      31             : namespace plugin
      32             : {
      33             : class CompressorYUV : public Compressor
      34             : {
      35             : public:
      36             :     CompressorYUV();
      37             :     virtual ~CompressorYUV();
      38             : 
      39           0 :     static void* getNewCompressor(const unsigned) { return new CompressorYUV; }
      40           0 :     static void* getNewDecompressor(const unsigned)
      41             :     {
      42           0 :         return new CompressorYUV;
      43             :     }
      44             : 
      45           0 :     void compress(const void* const, const eq_uint64_t, const bool) override
      46             :     {
      47           0 :         LBDONTCALL;
      48           0 :     }
      49             : 
      50             :     static bool isCompatible(const GLEWContext*);
      51             : 
      52             :     void download(const GLEWContext*, const eq_uint64_t*, const unsigned,
      53             :                   const eq_uint64_t, eq_uint64_t*, void**) override;
      54             : 
      55             :     void upload(const GLEWContext*, const void*, const eq_uint64_t*,
      56             :                 const eq_uint64_t, const eq_uint64_t*, const unsigned) override;
      57             : 
      58             : protected:
      59             :     GLuint _program;
      60             :     lunchbox::Bufferb buffer;
      61             : 
      62             : private:
      63             :     void _initShader(const GLEWContext*, const char*);
      64             :     void _compress(const GLEWContext*, const eq_uint64_t*, eq_uint64_t*);
      65             :     void _decompress(const GLEWContext*, const eq_uint64_t*);
      66             :     void _download(void*);
      67             : 
      68             :     util::FrameBufferObject* _fbo;
      69             :     util::Texture* _texture;
      70             : };
      71             : }
      72             : }
      73             : #endif // EQ_PLUGIN_COMPRESSORYUV