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fix mat4_mulv and implement sse2 version

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Recep Aslantas
2017-01-24 23:07:14 +03:00
parent b677a026a2
commit 99c8aeab77
2 changed files with 29 additions and 4 deletions
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19
include/cglm-mat-simd-sse2.h
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@@ -81,6 +81,25 @@ glm_mat4_mul_sse2(mat4 m1, mat4 m2, mat4 dest) {
_mm_mul_ps(_mm_shuffle1_ps1(r, 3), l3))));
}
CGLM_INLINE
void
glm_mat4_mulv_sse2(mat4 m, vec4 v, vec4 dest) {
__m128 x0, x1, x2;
x0 = _mm_load_ps(v);
x1 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(m[0]),
_mm_shuffle1_ps1(x0, 0)),
_mm_mul_ps(_mm_load_ps(m[1]),
_mm_shuffle1_ps1(x0, 1)));
x2 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(m[2]),
_mm_shuffle1_ps1(x0, 2)),
_mm_mul_ps(_mm_load_ps(m[3]),
_mm_shuffle1_ps1(x0, 3)));
_mm_store_ps(dest, _mm_add_ps(x1, x2));
}
CGLM_INLINE
float
glm_mat4_det_sse2(mat4 mat) {