// constructs an RCntxt object from a raw RNTCXT* pointer; this is where the
// we set up the appropriate interface pointer based on the R version
RCntxt::RCntxt(void *rawCntxt)
{
if (rawCntxt == NULL)
return;
else if (contextVersion() == RVersion34)
pCntxt_ = boost::make_shared<RIntCntxt<RCNTXT_34> >(
static_cast<RCNTXT_34*>(rawCntxt));
else if (contextVersion() == RVersion33)
pCntxt_ = boost::make_shared<RIntCntxt<RCNTXT_33> >(
static_cast<RCNTXT_33*>(rawCntxt));
else
pCntxt_ = boost::make_shared<RIntCntxt<RCNTXT_32> >(
static_cast<RCNTXT_32*>(rawCntxt));
}
Bool OpenGLGraphicDeviceLinux::Open( const RenderWindow & p_RenderOutput,
const Version & p_Version )
{
// Make sure that the GD is not already open.
if( m_Open == true )
{
std::cout << "[OpenGLGraphicDeviceLinux::BindOpenGLExtensions] The graphic device is already loaded.\n";
return false;
}
// Make sure that the render output is loaded
if( p_RenderOutput.IsOpen( ) == false )
{
std::cout << "[OpenGLGraphicDeviceLinux::BindOpenGLExtensions] The render output is not loaded.\n";
return false;
}
// Store the version of the opengl context that we want to create.
// This function will create the best as possible if the version is set to 0.0
Version contextVersion( p_Version );
// Try to load the best context as possible if the version is set to the default version
if( contextVersion == Version::Default )
{
if( OpenBestVersion( p_RenderOutput, contextVersion ) != true )
{
return false;
}
}
// Try to load the requested context, if it fails, create the best context as possible.
else
{
if( OpenVersion( p_RenderOutput, contextVersion ) == false )
{
if( OpenBestVersion( p_RenderOutput, contextVersion ) != true )
{
return false;
}
}
}
// Bind the OpenGL extensions
if( OpenGL::BindOpenGLExtensions( contextVersion.GetMajor( ), contextVersion.GetMinor( ) ) != true )
{
//bitTrace( "[GraphicDeviceWin32::Open] Can not bind the OpenGL extensions.\n" );
std::cout << "[OpenGL::BindOpenGLExtensions] Binding opengl extensions failed.\n";
return false;
}
// Set the default viewport to the window's size
SetViewport( Vector2u32( 0, 0 ), p_RenderOutput.GetVideoMode( ).GetSize( ) );
// Set the some member varaibles
m_Open = true;
m_Version = contextVersion;
m_pRenderOutput = const_cast<RenderWindow*>( &p_RenderOutput );
// Set default settings.
DisableDepthTest( );
EnableTexture( );
DisableFaceCulling( );
DisableSmoothLines( );
// Return true at success.
return true;
}
