1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #ifndef UTIL_H

    19 #define UTIL_H

    20 

    21 

    22 

    23 //#define ENABLE_TRACE

    24 #undef ENABLE_TRACE

    25 

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

    27 	#include <iostream>

    28 #endif

    29 

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

    31 #include <e32def.h>

    32 #include <e32debug.h>

    33 #endif

    34 

    35 #ifndef SG_ASSERT

    36 	#include <assert.h>

    37 	#define SG_ASSERT assert

    38 #endif

    39 

    40 namespace shadergen

    41 {

    42 

    43 #ifdef _DEBUG

    44 	#define DEBUG

    45 #endif

    46 

    47 /* Compile-time assertion */

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

    49 #define SG_CT_UNIQUE_NAME SG_CT_MAKE_NAME(__FILE__, __LINE__)

    50 

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

    52 

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

    54 

    55 

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

    57 

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

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

    60 	#define TRACE_FUNC_ENTRY() (RAW_TRACE(__FUNCTION__))

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

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

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

    64 	#define TRACE_FUNC_ENTRY() (MY_TRACE(__FUNCTION__))

    65 #elif !defined ENABLE_TRACE

    66 	#define MY_TRACE(str)

    67 	#define RAW_TRACE(str)

    68 	#define TRACE_FUNC_ENTRY()

    69 #endif

    70 

    71 

    72 

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

    74 {

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

    76 }

    77 

    78 

    79 typedef struct _Vec4

    80 {

    81 	float x, y, z, w;

    82 } Vec4;

    83 

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

    85 

    86 } /* namespace shadergen */

    87 

    88 #endif /* UTIL_H */