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/*=========================================================================
Program: Visualization Toolkit
Module: vtkGraphicsFactory.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkObjectFactory.h"
#include "vtkGraphicsFactory.h"
#include "vtkToolkits.h"
#include "vtkDebugLeaks.h"
#include "vtkCriticalSection.h"
#include "stdlib.h"
static vtkSimpleCriticalSection vtkUseMesaClassesCriticalSection;
static vtkSimpleCriticalSection vtkOffScreenOnlyModeCriticalSection;
int vtkGraphicsFactory::UseMesaClasses = 0;
#ifdef VTK_USE_OFFSCREEN
int vtkGraphicsFactory::OffScreenOnlyMode = 1;
#else
int vtkGraphicsFactory::OffScreenOnlyMode = 0;
#endif
vtkStandardNewMacro(vtkGraphicsFactory);
const char *vtkGraphicsFactory::GetRenderLibrary()
{
const char *temp;
// first check the environment variable
temp = getenv("VTK_RENDERER");
// Backward compatibility
if ( temp )
{
if (!strcmp("oglr",temp))
{
temp = "OpenGL";
}
else if (!strcmp("woglr",temp))
{
temp = "Win32OpenGL";
}
else if (strcmp("OpenGL",temp) &&
strcmp("Win32OpenGL",temp))
{
vtkGenericWarningMacro(<<"VTK_RENDERER set to unsupported type:" << temp);
temp = NULL;
}
}
// if nothing is set then work down the list of possible renderers
if ( !temp )
{
#if defined(VTK_DISPLAY_X11_OGL) || defined(VTK_USE_OSMESA)
temp = "OpenGL";
#endif
#ifdef VTK_DISPLAY_WIN32_OGL
temp = "Win32OpenGL";
#endif
#ifdef VTK_DISPLAY_CARBON
temp = "CarbonOpenGL";
#endif
#ifdef VTK_DISPLAY_COCOA
temp = "CocoaOpenGL";
#endif
}
return temp;
}
vtkObject* vtkGraphicsFactory::CreateInstance(const char* vtkclassname )
{
// first check the object factory
vtkObject *ret = vtkObjectFactory::CreateInstance(vtkclassname);
if (ret)
{
return ret;
}
// if the factory failed to create the object,
// then destroy it now, as vtkDebugLeaks::ConstructClass was called
// with vtkclassname, and not the real name of the class
#ifdef VTK_DEBUG_LEAKS
vtkDebugLeaks::DestructClass(vtkclassname);
#endif
return 0;
}
//----------------------------------------------------------------------------
void vtkGraphicsFactory::SetUseMesaClasses(int use)
{
vtkUseMesaClassesCriticalSection.Lock();
vtkGraphicsFactory::UseMesaClasses = use;
vtkUseMesaClassesCriticalSection.Unlock();
}
//----------------------------------------------------------------------------
int vtkGraphicsFactory::GetUseMesaClasses()
{
return vtkGraphicsFactory::UseMesaClasses;
}
//----------------------------------------------------------------------------
void vtkGraphicsFactory::SetOffScreenOnlyMode(int use)
{
vtkOffScreenOnlyModeCriticalSection.Lock();
vtkGraphicsFactory::OffScreenOnlyMode = use;
vtkOffScreenOnlyModeCriticalSection.Unlock();
}
//----------------------------------------------------------------------------
int vtkGraphicsFactory::GetOffScreenOnlyMode()
{
return vtkGraphicsFactory::OffScreenOnlyMode;
}
//----------------------------------------------------------------------------
void vtkGraphicsFactory::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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