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[util] Add a simd mat4 transpose function

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This commit is contained in:
Bill Currie 2021-03-09 23:50:32 +09:00
parent 3230270ae3
commit 09e1a63470
1 changed files with 19 additions and 0 deletions
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19
include/QF/simd/mat4f.h
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@ -38,6 +38,7 @@ GNU89INLINE inline void mmulf (mat4f_t c, const mat4f_t a, const mat4f_t b);
GNU89INLINE inline vec4f_t mvmulf (const mat4f_t m, vec4f_t v) __attribute__((const));
GNU89INLINE inline vec4f_t m3vmulf (const mat4f_t m, vec4f_t v) __attribute__((const));
GNU89INLINE inline void mat4fidentity (mat4f_t m);
GNU89INLINE inline void mat4ftranspose (mat4f_t t, const mat4f_t m);
GNU89INLINE inline void mat4fquat (mat4f_t m, vec4f_t q);
#ifndef IMPLEMENT_MAT4F_Funcs
@ -121,6 +122,24 @@ mat4fidentity (mat4f_t m)
m[3] = (vec4f_t) { 0, 0, 0, 1 };
}
#ifndef IMPLEMENT_MAT4F_Funcs
GNU89INLINE inline
#else
VISIBLE
#endif
void
mat4ftranspose (mat4f_t t, const mat4f_t m)
{
vec4f_t a = m[0];
vec4f_t b = m[1];
vec4f_t c = m[2];
vec4f_t d = m[3];
t[0] = (vec4f_t) { a[0], b[0], c[0], d[0] };
t[1] = (vec4f_t) { a[1], b[1], c[1], d[1] };
t[2] = (vec4f_t) { a[2], b[2], c[2], d[2] };
t[3] = (vec4f_t) { a[3], b[3], c[3], d[3] };
}
#ifndef IMPLEMENT_MAT4F_Funcs
GNU89INLINE inline
#else