/*
**  ClanLib SDK
**  Copyright (c) 1997-2005 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    (if your name is missing here, please add it)
*/

#include "API/GL/setupgl.h"
#include "opengl_target.h"
#include "Display/display_precomp.h"
#include "opengl_state_generic.h"

/////////////////////////////////////////////////////////////////////////////
// CL_SetupGL construction:

static CL_OpenGLTarget *target = 0;

static int ref_count = 0;

CL_SetupGL::CL_SetupGL(bool register_resources_only)
{
	CL_SetupGL::init(register_resources_only);
}

CL_SetupGL::~CL_SetupGL()
{
	CL_SetupGL::deinit();
}

void CL_SetupGL::init(bool register_resources_only)
{
	ref_count++;
	if (ref_count != 1) return;

	if (register_resources_only) return;

	target = new CL_OpenGLTarget;
}
	
void CL_SetupGL::deinit()
{
	ref_count--;
	if (ref_count != 0) return;

	if(target)
		delete target;
	target = 0;

	CL_OpenGLState_Generic::clear_context ();
}