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SIMD matrix functions optimizations

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This commit is contained in:
Christophe Riccio
2016-05-30 18:01:06 +02:00
parent 84caa1092f
commit 688756b3e2
5 changed files with 90 additions and 48 deletions
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4
glm/simd/matrix.h
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@@ -947,7 +947,7 @@ GLM_FUNC_QUALIFIER void glm_mat4_inverse_lowp(glm_vec4 const in[4], glm_vec4 out
out[3] = _mm_mul_ps(Inv3, Rcp0);
}
/*
GLM_FUNC_QUALIFIER void glm_f32m4_rotate(__m128 const in[4], float Angle, float const v[3], __m128 out[4])
GLM_FUNC_QUALIFIER void glm_mat4_rotate(__m128 const in[4], float Angle, float const v[3], __m128 out[4])
{
float a = glm::radians(Angle);
float c = cos(a);
@@ -1017,7 +1017,7 @@ GLM_FUNC_QUALIFIER void glm_f32m4_rotate(__m128 const in[4], float Angle, float
sse_mul_ps(in, Result, out);
}
*/
GLM_FUNC_QUALIFIER void glm_f32m4_outer(__m128 const & c, __m128 const & r, __m128 out[4])
GLM_FUNC_QUALIFIER void glm_mat4_outerProduct(__m128 const & c, __m128 const & r, __m128 out[4])
{
out[0] = _mm_mul_ps(c, _mm_shuffle_ps(r, r, _MM_SHUFFLE(0, 0, 0, 0)));
out[1] = _mm_mul_ps(c, _mm_shuffle_ps(r, r, _MM_SHUFFLE(1, 1, 1, 1)));