/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#ifndef UTIL_H

#define UTIL_H

//#define ENABLE_TRACE

#undef ENABLE_TRACE

#if (defined ENABLE_TRACE) && (!defined __SYMBIAN32__)

	#include <iostream>

#endif

#if (defined ENABLE_TRACE) && (defined __SYMBIAN32__)

#include <e32def.h>

#include <e32debug.h>

#endif

#ifndef SG_ASSERT

	#include <assert.h>

	#define SG_ASSERT assert

#endif

namespace shadergen

{

#ifdef _DEBUG

	#define DEBUG

#endif

/* Compile-time assertion */

#define SG_CT_MAKE_NAME(f, l) sg_ct_assert_failure_##f##l

#define SG_CT_UNIQUE_NAME SG_CT_MAKE_NAME(__FILE__, __LINE__)

#define SG_CT_ASSERT(cond) typedef char SG_CT_UNIQUE_NAME[(cond) ? 1 : -1]

#define SG_LENGTH_OF_ARRAY(arr) (sizeof(arr) / sizeof((arr)[0]))

#if (defined ENABLE_TRACE) && (defined __SYMBIAN32__)

	#define MY_TRACE(str) RDebug::Print(_L(str))

	#define RAW_TRACE(str) RDebug::Printf(str)

	#define TRACE_FUNC_ENTRY() (RAW_TRACE(__FUNCTION__))

#elif (defined ENABLE_TRACE) && (!defined __SYMBIAN32__)

	#define MY_TRACE(str)  std::cout << (str) << '\n'

	#define RAW_TRACE(str) std::cout << (str) << '\n'

	#define TRACE_FUNC_ENTRY() (MY_TRACE(__FUNCTION__))

#elif !defined ENABLE_TRACE

	#define MY_TRACE(str)

	#define RAW_TRACE(str)

	#define TRACE_FUNC_ENTRY()

#endif

template<class T> inline bool SG_IN_RANGE (const T& x, const T& mn, const T& mx)

{

	return x <= mx && x >= mn;

}

typedef struct _Vec4

{

	float x, y, z, w;

} Vec4;

SG_CT_ASSERT(sizeof(Vec4) == 4 * sizeof(float));

} /* namespace shadergen */

#endif /* UTIL_H */