Line data    Source code

       1             : 
       2             : /* Copyright (c) 2005-2015, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                          Daniel Nachbaur <danielnachbaur@gmail.com>
       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_DRAWABLECONFIG_H
      20             : #define EQ_DRAWABLECONFIG_H
      21             : 
      22             : #include <iostream>
      23             : 
      24             : namespace eq
      25             : {
      26             : namespace fabric
      27             : {
      28             :     /** Stores the characteristics of a window's frame buffer configuration. */
      29             :     struct DrawableConfig
      30             :     {
      31        4082 :         DrawableConfig()
      32             :                 : stencilBits(0), colorBits(0), alphaBits(0), accumBits(0)
      33             :                 , glVersion( 0.f ), glewGLVersion( 0.f ), stereo( false )
      34        4082 :                 , doublebuffered( false ) , coreProfile( false ) {}
      35             : 
      36             :         int32_t stencilBits;    //!< Number of stencil bits
      37             :         int32_t colorBits;      //!< Number of bits per color component
      38             :         int32_t alphaBits;      //!< Number of alpha bits
      39             :         int32_t accumBits;      //!< Number of accumulation bits
      40             :         float   glVersion;      //!< OpenGL version (glGetString( GL_VERSION ))
      41             :         float   glewGLVersion;  //!< OpenGL version (GLEW detected)
      42             :         bool    stereo;         //!< Active stereo supported
      43             :         bool    doublebuffered; //!< Doublebuffering supported
      44             :         bool    coreProfile;    //!< Core or Compat profile (since OpenGL 3.2)
      45             :     };
      46             : 
      47           0 :     inline std::ostream& operator << ( std::ostream& os,
      48             :                                        const DrawableConfig& config )
      49             :     {
      50           0 :         os << "GL" << config.glVersion << "|GLEW" << config.glewGLVersion;
      51           0 :         if( config.glVersion >= 3.2f )
      52           0 :             os << (config.coreProfile ? "|Core" : "|Compat");
      53           0 :         os << "|rgb" << config.colorBits;
      54           0 :         if( config.alphaBits )
      55           0 :             os << "a" << config.alphaBits;
      56           0 :         if( config.stencilBits )
      57           0 :             os << "|st" << config.stencilBits;
      58           0 :         if( config.accumBits )
      59           0 :             os << "|acc" << config.accumBits;
      60           0 :         if( config.doublebuffered )
      61           0 :             os << "|DB";
      62           0 :         if( config.stereo )
      63           0 :             os << "|ST";
      64           0 :         return os;
      65             :     }
      66             : }
      67             : }
      68             : 
      69             : namespace lunchbox
      70             : {
      71           0 : template<> inline void byteswap( eq::fabric::DrawableConfig& value )
      72             : {
      73           0 :     byteswap( value.stencilBits );
      74           0 :     byteswap( value.colorBits );
      75           0 :     byteswap( value.alphaBits );
      76           0 :     byteswap( value.accumBits );
      77           0 :     byteswap( value.glVersion );
      78           0 : }
      79             : }
      80             : #endif // EQ_DRAWABLECONFIG_H