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114 lines
4.8 KiB
114 lines
4.8 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// videomacros.h - Commone macros used by valve video services
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//
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// Purpose - to save typing, make things cleaer, prep for c++0x, prep for 64-bit,
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// make lots of money, and drive Brian crazy
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//
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// ===========================================================================
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#ifndef VIDEOMACROS_H
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#define VIDEOMACROS_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <tier0/dbg.h>
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// ------------------------------------------------------------------------
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// MACROS
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// ------------------------------------------------------------------------
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#define nullchar ( (char) 0x00 )
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#ifndef nullptr
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#define nullptr ( 0 )
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#endif
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#define ZeroVar( var ) V_memset( &var, nullchar, sizeof( var ) )
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#define ZeroVarPtr( pVar ) V_memset( pVar, nullchar, sizeof( *pVar) )
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#define SAFE_DELETE( var ) if ( var != nullptr ) { delete var; var = nullptr; }
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#define SAFE_DELETE_ARRAY( var ) if ( var != nullptr ) { delete[] var; var = nullptr; }
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#define SAFE_RELEASE( var ) if ( var != nullptr ) { var->Release(); var = nullptr; }
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#define SAFE_FREE( var ) if ( var != nullptr ) { free( var ); var = nullptr; }
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// Common Assert Patterns
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#define AssertPtr( _exp ) Assert( ( _exp ) != nullptr )
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#define AssertNull( _exp ) Assert( ( _exp ) == nullptr )
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#define AssertStr( _str ) Assert( ( _str ) != nullptr && *( _str ) != nullchar )
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#define AssertInRange( _exp, low, high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
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#define AssertIncRange( _exp, low, high ) Assert( ( _exp ) >= ( low ) && ( _exp ) <= ( high ) )
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// AssertExit macros .. in release builds, or when Assert is disabled, they exit (w/ opt return value)
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// if the assert condition is false
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//
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#ifdef DBGFLAG_ASSERT
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#define AssertExit( _exp ) Assert( _exp )
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#define AssertExitV( _exp , _rval ) Assert( _exp )
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#define AssertExitF( _exp ) Assert( _exp )
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#define AssertExitN( _exp ) Assert( _exp )
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#define AssertExitFunc( _exp, _func ) Assert( _exp )
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#define AssertPtrExit( _exp ) Assert( ( _exp ) != nullptr )
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#define AssertPtrExitV( _exp , _rval ) Assert( ( _exp ) != nullptr )
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#define AssertPtrExitF( _exp ) Assert( ( _exp ) != nullptr )
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#define AssertPtrExitN( _exp ) Assert( ( _exp ) != nullptr )
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#define AssertInRangeExit( _exp , low , high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
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#define AssertInRangeExitV( _exp , low , high, _rval ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
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#define AssertInRangeExitF( _exp , low , high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
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#define AssertInRangeExitN( _exp , low , high ) Assert( ( _exp ) > ( low ) && ( _exp ) < ( high ) )
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#else // Asserts not enabled
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#define AssertExit( _exp ) if ( !( _exp ) ) return
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#define AssertExitV( _exp , _rval ) if ( !( _exp ) ) return _rval
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#define AssertExitF( _exp ) if ( !( _exp ) ) return false
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#define AssertExitN( _exp ) if ( !( _exp ) ) return nullptr
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#define AssertExitFunc( _exp, _func ) if ( !( _exp ) ) { _func; return; }
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#define AssertPtrExit( _exp ) if ( ( _exp ) == nullptr ) return
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#define AssertPtrExitV( _exp , _rval ) if ( ( _exp ) == nullptr ) return _rval
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#define AssertPtrExitF( _exp ) if ( ( _exp ) == nullptr ) return false
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#define AssertPtrExitN( _exp ) if ( ( _exp ) == nullptr ) return nullptr
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#define AssertInRangeExit( _exp, low, high ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return
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#define AssertInRangeExitV( _exp, low, high, _rval ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return _rval
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#define AssertInRangeExitF( _exp, low, high ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return false
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#define AssertInRangeExitN( _exp, low, high ) if ( ( _exp ) <= ( low ) || ( _exp ) >= ( high ) ) return nullptr
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#endif
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#define WarningAssert( _msg ) AssertMsg( false, _msg )
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#define STRINGS_MATCH 0
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#define IS_NOT_EMPTY( str ) ( (str) != nullptr && *(str) != nullchar )
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#define IS_EMPTY_STR( str ) ( (str) == nullptr || *(str) == nullchar )
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#define IS_IN_RANGE( var, low, high ) ( (var) >= (low) && (var) <= (high) )
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#define IS_IN_RANGECOUNT( var, low, high ) ( (var) >= (low) && (var) < (high) )
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#define IS_OUT_OF_RANGE( var, low, high ) ( (var) < (low) || (var) > (high) )
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#define IS_OUT_OF_RANGECOUNT( var, low, high ) ( (var) < (low) || (var) >= (high) )
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#define BITFLAGS_SET( var, bits ) ( ( (var) & (bits) ) == (bits) )
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#define ANY_BITFLAGS_SET( var, bits ) ( ( (var) & (bits) ) != 0 )
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#define MAKE_UINT64( highVal, lowVal ) ( ( (uint64) highVal << 32 ) | (uint64) lowVal )
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#define CONTAINING_MULTIPLE_OF( var, multVal ) ( (var) + ( multVal - 1) ) - ( ( (var) - 1) % multVal )
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// use this whenever we do address arithmetic in bytes
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typedef unsigned char* memaddr_t;
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typedef int32 memoffset_t;
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#endif // VIDEOMACROS_H
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