106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
#pragma once
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/****************************************************************************
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Copyright (c) 2009, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "core/types.h"
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//------------------------------------------------------------------------------
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namespace Util
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{
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class Round
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{
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public:
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/// round up to nearest 2 bytes boundary
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static uint RoundUp2(uint val);
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/// round up to nearest 4 bytes boundary
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static uint RoundUp4(uint val);
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/// round up to nearest 8 bytes boundary
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static uint RoundUp8(uint val);
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/// round up to nearest 16 bytes boundary
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static uint RoundUp16(uint val);
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/// round up to nearest 32 bytes boundary
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static uint RoundUp32(uint val);
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/// generic roundup
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static uint RoundUp(uint val, uint boundary);
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};
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//------------------------------------------------------------------------------
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/**
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*/
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__forceinline uint
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Round::RoundUp2(uint val)
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{
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return ((uint)val + (2 - 1)) & ~(2 - 1);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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__forceinline uint
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Round::RoundUp4(uint val)
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{
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return ((uint)val + (4 - 1)) & ~(4 - 1);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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__forceinline uint
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Round::RoundUp8(uint val)
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{
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return ((uint)val + (8 - 1)) & ~(8 - 1);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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__forceinline uint
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Round::RoundUp16(uint val)
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{
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return ((uint)val + (16 - 1)) & ~(16 - 1);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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__forceinline uint
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Round::RoundUp32(uint val)
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{
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return ((uint)val + (32 - 1)) & ~(32 - 1);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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__forceinline uint
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Round::RoundUp(uint val, uint boundary)
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{
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n_assert(0 != boundary);
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return (((val - 1) / boundary) + 1) * boundary;
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}
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} // namespace Util
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//------------------------------------------------------------------------------
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