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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 "vtkDebugLeaks.h"
#include "vtkGraphicsFactory.h"
#include <cstdlib>
#include <mutex>
VTK_ABI_NAMESPACE_BEGIN
static std::mutex vtkUseMesaClassesCriticalSection;
static std::mutex 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) != 0 && strcmp("Win32OpenGL", temp) != 0)
{
vtkGenericWarningMacro(<< "VTK_RENDERER set to unsupported type:" << temp);
temp = nullptr;
}
}
// if nothing is set then work down the list of possible renderers
if (!temp)
{
#if defined(VTK_DISPLAY_X11_OGL) || defined(VTK_OPENGL_HAS_OSMESA)
temp = "OpenGL";
#endif
#ifdef VTK_DISPLAY_WIN32_OGL
temp = "Win32OpenGL";
#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;
}
return nullptr;
}
//------------------------------------------------------------------------------
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);
}
VTK_ABI_NAMESPACE_END
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