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Updated swizzle implementation

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This commit is contained in:
Christophe Riccio 2010-12-16 02:16:58 +00:00
parent a7c7645c99
commit 866db89305
2 changed files with 25 additions and 20 deletions
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23
glm/gtx/simd_vec4.hpp
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@ -59,11 +59,6 @@ namespace glm
float const & z,
float const & w);
////////////////////////////////////////
//// Swizzle constructors
//fvec4SIMD(ref4<float> const & r);
////////////////////////////////////////
//// Convertion vector constructors
@ -95,12 +90,16 @@ namespace glm
//////////////////////////////////////
// Swizzle operators
//float swizzle(comp X) const;
//vec2 const swizzle(comp X, comp Y) const;
//vec3 const swizzle(comp X, comp Y, comp Z) const;
//fvec4SIMD const swizzle(comp X, comp Y, comp Z, comp W) const;
//fvec4SIMD const swizzle(int X, int Y, int Z, int W) const;
//ref4<float> swizzle(comp X, comp Y, comp Z, comp W);
template <comp A, comp B, comp C, comp D>
fvec4SIMD& swizzle();
template <comp A, comp B, comp C, comp D>
fvec4SIMD swizzle() const;
template <comp A, comp B, comp C>
fvec4SIMD swizzle() const;
template <comp A, comp B>
fvec4SIMD swizzle() const;
template <comp A>
fvec4SIMD swizzle() const;
};
}//namespace detail
@ -109,7 +108,7 @@ namespace glm
//! GLM_GTX_simd_vec4 extension: SIMD implementation of vec4 type.
namespace simd_vec4
{
typedef detail::fvec4SIMD vec4SIMD;
typedef detail::fvec4SIMD simd_vec4;
}//namespace simd_vec4
}//namespace gtx

22
glm/gtx/simd_vec4.inl
View File

@ -11,8 +11,6 @@ namespace glm
{
namespace detail
{
//__m128 fvec4SIMD::one = _mm_set_ps1(1.f);
//////////////////////////////////////
// Implicit basic constructors
@ -155,13 +153,21 @@ namespace glm
//////////////////////////////////////
// Swizzle operators
//inline fvec4SIMD const fvec4SIMD::swizzle(int d, int c, int b, int a) const
//{
// int const Mask = ((d << 6) | (c << 4) | (b << 2) | (a << 0));
template <comp a, comp b, comp c, comp d>
inline fvec4SIMD fvec4SIMD::swizzle() const
{
int const Mask = ((int(d) << 6) | (int(c) << 4) | (int(b) << 2) | (int(a) << 0));
// __m128 Data = _mm_shuffle_ps(this->Data, this->Data, Mask);
// return fvec4SIMD(Data);
//}
__m128 Data = _mm_shuffle_ps(this->Data, this->Data, Mask);
return fvec4SIMD(Data);
}
template <comp a, comp b, comp c, comp d>
inline fvec4SIMD& fvec4SIMD::swizzle()
{
this->Data = _mm_shuffle_ps(this->Data, this->Data, (((int(d) << 6) | (int(c) << 4) | (int(b) << 2) | (int(a) << 0))));
return *this;
}
// operator+
inline fvec4SIMD operator+ (fvec4SIMD const & v, float s)