Dengine/extern/glm-0.9.7.5/include/glm/gtx/wrap.inl
2016-06-03 15:07:40 +10:00

179 lines
5.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
/// By making use of the Software for military purposes, you choose to make
/// a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref gtx_wrap
/// @file glm/gtx/wrap.inl
/// @date 2009-11-25 / 2011-06-07
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
namespace glm
{
template <typename genType>
GLM_FUNC_QUALIFIER genType clamp(genType const & Texcoord)
{
return glm::clamp(Texcoord, genType(0), genType(1));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec2<T, P> clamp(tvec2<T, P> const & Texcoord)
{
tvec2<T, P> Result;
for(typename tvec2<T, P>::size_type i = 0; i < tvec2<T, P>::value_size(); ++i)
Result[i] = clamp_to_edge(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> clamp(tvec3<T, P> const & Texcoord)
{
tvec3<T, P> Result;
for(typename tvec3<T, P>::size_type i = 0; i < tvec3<T, P>::value_size(); ++i)
Result[i] = clamp_to_edge(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec4<T, P> clamp(tvec4<T, P> const & Texcoord)
{
tvec4<T, P> Result;
for(typename tvec4<T, P>::size_type i = 0; i < tvec4<T, P>::value_size(); ++i)
Result[i] = clamp_to_edge(Texcoord[i]);
return Result;
}
template <typename genType>
GLM_FUNC_QUALIFIER genType repeat(genType const & Texcoord)
{
return glm::fract(Texcoord);
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec2<T, P> repeat(tvec2<T, P> const & Texcoord)
{
tvec2<T, P> Result;
for(typename tvec2<T, P>::size_type i = 0; i < tvec2<T, P>::value_size(); ++i)
Result[i] = repeat(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> repeat(tvec3<T, P> const & Texcoord)
{
tvec3<T, P> Result;
for(typename tvec3<T, P>::size_type i = 0; i < tvec3<T, P>::value_size(); ++i)
Result[i] = repeat(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec4<T, P> repeat(tvec4<T, P> const & Texcoord)
{
tvec4<T, P> Result;
for(typename tvec4<T, P>::size_type i = 0; i < tvec4<T, P>::value_size(); ++i)
Result[i] = repeat(Texcoord[i]);
return Result;
}
template <typename genType>
GLM_FUNC_QUALIFIER genType mirrorClamp(genType const & Texcoord)
{
return glm::fract(glm::abs(Texcoord));
//return glm::mod(glm::abs(Texcoord), 1.0f);
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec2<T, P> mirrorClamp(tvec2<T, P> const & Texcoord)
{
tvec2<T, P> Result;
for(typename tvec2<T, P>::size_type i = 0; i < tvec2<T, P>::value_size(); ++i)
Result[i] = mirrorClamp(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> mirrorClamp(tvec3<T, P> const & Texcoord)
{
tvec3<T, P> Result;
for(typename tvec3<T, P>::size_type i = 0; i < tvec3<T, P>::value_size(); ++i)
Result[i] = mirrorClamp(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec4<T, P> mirrorClamp(tvec4<T, P> const & Texcoord)
{
tvec4<T, P> Result;
for(typename tvec4<T, P>::size_type i = 0; i < tvec4<T, P>::value_size(); ++i)
Result[i] = mirrorClamp(Texcoord[i]);
return Result;
}
template <typename genType>
GLM_FUNC_QUALIFIER genType mirrorRepeat(genType const & Texcoord)
{
genType const Abs = glm::abs(Texcoord);
genType const Clamp = genType(int(glm::floor(Abs)) % 2);
genType const Floor = glm::floor(Abs);
genType const Rest = Abs - Floor;
genType const Mirror = Clamp + Rest;
genType Out;
if(Mirror >= genType(1))
Out = genType(1) - Rest;
else
Out = Rest;
return Out;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec2<T, P> mirrorRepeat(tvec2<T, P> const & Texcoord)
{
tvec2<T, P> Result;
for(typename tvec2<T, P>::size_type i = 0; i < tvec2<T, P>::value_size(); ++i)
Result[i] = mirrorRepeat(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> mirrorRepeat(tvec3<T, P> const & Texcoord)
{
tvec3<T, P> Result;
for(typename tvec3<T, P>::size_type i = 0; i < tvec3<T, P>::value_size(); ++i)
Result[i] = mirrorRepeat(Texcoord[i]);
return Result;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec4<T, P> mirrorRepeat(tvec4<T, P> const & Texcoord)
{
tvec4<T, P> Result;
for(typename tvec4<T, P>::size_type i = 0; i < tvec4<T, P>::value_size(); ++i)
Result[i] = mirrorRepeat(Texcoord[i]);
return Result;
}
}//namespace glm