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Create a vector from a pointer

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This commit is contained in:
Christophe Riccio 2011-04-08 22:09:15 +01:00
parent 30b39b01d7
commit 24e2477fdf
1 changed files with 60 additions and 0 deletions
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60
glm/gtc/type_ptr.hpp
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@ -294,6 +294,66 @@ namespace glm
return &(mat[0].x);
}
//! Build a vector from a pointer.
//! From GLM_GTC_type_ptr extension.
template<typename T>
inline detail::tvec2<T> make_vec2(T const * const ptr)
{
detail::tvec2<T> Result;
memcpy(&Result[0], ptr, sizeof(detail::tvec2<T>));
return Result;
}
//! Build a vector from a pointer.
//! From GLM_GTC_type_ptr extension.
template<typename T>
inline detail::tvec3<T> make_vec3(T const * const ptr)
{
detail::tvec3<T> Result;
memcpy(&Result[0], ptr, sizeof(detail::tvec3<T>));
return Result;
}
//! Build a vector from a pointer.
//! From GLM_GTC_type_ptr extension.
template<typename T>
inline detail::tvec4<T> make_vec4(T const * const ptr)
{
detail::tvec4<T> Result;
memcpy(&Result[0], ptr, sizeof(detail::tvec4<T>));
return Result;
}
//! Build a matrix from a pointer.
//! From GLM_GTC_type_ptr extension.
template<typename T>
inline detail::tmat2<T> make_mat2(T const * const ptr)
{
detail::tmat2<T> Result;
memcpy(&Result[0], ptr, sizeof(detail::tmat2<T>));
return Result;
}
//! Build a matrix from a pointer.
//! From GLM_GTC_type_ptr extension.
template<typename T>
inline detail::tmat3<T> make_mat3(T const * const ptr)
{
detail::tmat3<T> Result;
memcpy(&Result[0], ptr, sizeof(detail::tmat3<T>));
return Result;
}
//! Build a matrix from a pointer.
//! From GLM_GTC_type_ptr extension.
template<typename T>
inline detail::tmat4<T> make_mat4(T const * const ptr)
{
detail::tmat4<T> Result;
memcpy(&Result[0], ptr, sizeof(detail::tmat4<T>));
return Result;
}
///@}
}//namespace type_ptr