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Added mirror repeat

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This commit is contained in:
Christophe Riccio
2015-06-27 20:12:27 +02:00
parent ff1f50bb15
commit 0141954756
3 changed files with 77 additions and 0 deletions
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5
glm/gtx/wrap.hpp
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@@ -63,6 +63,11 @@ namespace glm
template <typename genType>
GLM_FUNC_DECL genType repeat(genType const & Texcoord);
/// Simulate GL_MIRRORED_REPEAT OpenGL wrap mode
/// @see gtx_wrap extension.
template <typename genType>
GLM_FUNC_DECL genType mirrorClamp(genType const & Texcoord);
/// Simulate GL_MIRROR_REPEAT OpenGL wrap mode
/// @see gtx_wrap extension.
template <typename genType>

34
glm/gtx/wrap.inl
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@@ -98,6 +98,40 @@ namespace glm
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)
{