text: /*
    -----------------------------------------------------------------------------
    This source file is part of OGRE-Next
    (Object-oriented Graphics Rendering Engine)
    For the latest info, see http://www.ogre3d.org/
  
    Copyright (c) 2000-2014 Torus Knot Software Ltd
  
    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:
  
    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
  
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
    -----------------------------------------------------------------------------
  */
  #ifndef OGRE_EglPBufferSupport_H
  #define OGRE_EglPBufferSupport_H
  
  #include "OgreGL3PlusSupport.h"
  
  #include <EGL/egl.h>
  #include <EGL/eglext.h>
  
  #ifdef None
  #    undef None
  #endif
  
  namespace Ogre
  {
      class _OgrePrivate EglPBufferSupport : public GL3PlusSupport
      {
      public:
          struct DeviceData
          {
              String name;
              FastArray<SampleDescription> fsaa;
  
              EGLDisplay eglDisplay;
              EGLConfig eglCfg;
              EGLSurface eglSurf;
              ::EGLContext eglCtx;
  
              DeviceData() : eglDisplay( 0 ), eglCfg( 0 ), eglSurf( 0 ), eglCtx( 0 ) {}
  
              bool operator==( const String &otherName ) const { return name == otherName; }
          };
  
      protected:
          FastArray<DeviceData> mDeviceData;
          FastArray<EGLDeviceEXT> mDevices;
  
          /**
           * Refresh config options to reflect dependencies
           */
          void refreshConfig();
  
          void initDevice( const size_t deviceIdx );
          void destroyDevice( const size_t deviceIdx );
  
      public:
          EglPBufferSupport();
          ~EglPBufferSupport();
  
          /// @copydoc see GL3PlusSupport::addConfig
          void addConfig();
  
          /// @copydoc see GL3PlusSupport::validateConfig
          String validateConfig();
  
          /// @copydoc see RenderSystem::getPriorityConfigOption
          virtual const char *getPriorityConfigOption( size_t idx ) const;
  
          /// @copydoc see RenderSystem::getPriorityConfigOption
          virtual size_t getNumPriorityConfigOptions() const;
  
          /// @copydoc see GL3PlusSupport::setConfigOption
          void setConfigOption( const String &name, const String &value );
  
          /// @copydoc GL3PlusSupport::createWindow
          Window *createWindow( bool autoCreateWindow, GL3PlusRenderSystem *renderSystem,
                                const String &windowTitle );
  
          /// @copydoc RenderSystem::createRenderWindow
          Window *newWindow( const String &name, uint32 width, uint32 height, bool fullScreen,
                             const NameValuePairList *miscParams = 0 );
  
          /// @copydoc see GL3PlusSupport::start
          void start();
  
          /// @copydoc see GL3PlusSupport::stop
          void stop();
  
          /// @copydoc see GL3PlusSupport::getProcAddress
          void *getProcAddress( const char *procname ) const;
  
          const DeviceData *getCurrentDevice();
  
          /// Get the Display connection used for rendering
          /// This function establishes the initial connection when necessary.
          EGLDisplay getGLDisplay();
  
          uint32 getSelectedDeviceIdx() const;
      };
  }  // namespace Ogre
  
  #endif  // OGRE_EglPBufferSupport_H
  