/**********************************************************************
 *
 * Copyright (C) Imagination Technologies Ltd. All rights reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope it will be useful but, except 
 * as otherwise stated in writing, without any warranty; without even the 
 * implied warranty of merchantability or fitness for a particular purpose. 
 * See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Contact Information:
 * Imagination Technologies Ltd. <gpl-support@imgtec.com>
 * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK 
 *
*******************************************************************************/
#if !defined (__IMG_DEFS_H__)
#define __IMG_DEFS_H__

#include "img_types.h"

typedef		enum	img_tag_TriStateSwitch
{
	IMG_ON		=	0x00,
	IMG_OFF,
	IMG_IGNORE

} img_TriStateSwitch, * img_pTriStateSwitch;

#define		IMG_SUCCESS				0

#define		IMG_NO_REG				1

#if defined (NO_INLINE_FUNCS)
	#define	INLINE
	#define	FORCE_INLINE
#else
#if defined (__cplusplus)
	#define INLINE					inline
	#define	FORCE_INLINE			inline
#else
#if	!defined(INLINE)
	#define	INLINE					__inline
#endif
	#define	FORCE_INLINE			static __inline
#endif
#endif


/* Use this in any file, or use attributes under GCC - see below */
#ifndef PVR_UNREFERENCED_PARAMETER
#define	PVR_UNREFERENCED_PARAMETER(param) (param) = (param)
#endif

/* The best way to supress unused parameter warnings using GCC is to use a
 * variable attribute.  Place the unref__ between the type and name of an
 * unused parameter in a function parameter list, eg `int unref__ var'. This
 * should only be used in GCC build environments, for example, in files that
 * compile only on Linux. Other files should use UNREFERENCED_PARAMETER */
#ifdef __GNUC__
#define unref__ __attribute__ ((unused))
#else
#define unref__
#endif

/*
	Wide character definitions
*/
#ifndef _TCHAR_DEFINED
#if defined(UNICODE)
typedef unsigned short		TCHAR, *PTCHAR, *PTSTR;
#else	/* #if defined(UNICODE) */
typedef char				TCHAR, *PTCHAR, *PTSTR;
#endif	/* #if defined(UNICODE) */
#define _TCHAR_DEFINED
#endif /* #ifndef _TCHAR_DEFINED */


			#if defined(__linux__) || defined(__METAG)

				#define IMG_CALLCONV
				#define IMG_INTERNAL	__attribute__((visibility("hidden")))
				#define IMG_EXPORT		__attribute__((visibility("default")))
				#define IMG_IMPORT
				#define IMG_RESTRICT	__restrict__

			#else
					#error("define an OS")
			#endif

// Use default definition if not overridden
#ifndef IMG_ABORT
	#define IMG_ABORT()	abort()
#endif

#ifndef IMG_MALLOC
	#define IMG_MALLOC(A)		malloc	(A)
#endif

#ifndef IMG_FREE
	#define IMG_FREE(A)			free	(A)
#endif

#define IMG_CONST const

#if defined(__GNUC__)
#define IMG_FORMAT_PRINTF(x,y)		__attribute__((format(printf,x,y)))
#else
#define IMG_FORMAT_PRINTF(x,y)
#endif

/*
 * Cleanup request defines
  */
#define  CLEANUP_WITH_POLL		IMG_FALSE
#define  FORCE_CLEANUP			IMG_TRUE

#if defined (_WIN64)
#define IMG_UNDEF	(~0ULL)
#else
#define IMG_UNDEF	(~0UL)
#endif

#endif /* #if !defined (__IMG_DEFS_H__) */
/*****************************************************************************
 End of file (IMG_DEFS.H)
*****************************************************************************/