Files
cglm/include/cglm-mat.h
Recep Aslantas 6c6418d19a Initial Commit
2016-09-11 12:29:22 +03:00

47 lines
1.9 KiB
C

/*
* Copyright (c), Recep Aslantas.
*
* MIT License (MIT), http://opensource.org/licenses/MIT
* Full license can be found in the LICENSE file
*/
#ifndef cglm_mat_h
#define cglm_mat_h
#include "cglm.h"
#include "cglm-mat-simd.h"
#define glm_mat_mul4_impl(l, r, d) \
do { \
d[0] = l[0] * r[0] + l[1] * r[4] + l[2] * r[8] + l[3] * r[12]; \
d[1] = l[0] * r[1] + l[1] * r[5] + l[2] * r[9] + l[3] * r[13]; \
d[2] = l[0] * r[2] + l[1] * r[6] + l[2] * r[10] + l[3] * r[14]; \
d[3] = l[0] * r[3] + l[1] * r[7] + l[2] * r[11] + l[3] * r[15]; \
d[4] = l[4] * r[0] + l[5] * r[4] + l[6] * r[8] + l[7] * r[12]; \
d[5] = l[4] * r[1] + l[5] * r[5] + l[6] * r[9] + l[7] * r[13]; \
d[6] = l[4] * r[2] + l[5] * r[6] + l[6] * r[10] + l[7] * r[14]; \
d[7] = l[4] * r[3] + l[5] * r[7] + l[6] * r[11] + l[7] * r[15]; \
d[8] = l[8] * r[0] + l[9] * r[4] + l[10] * r[8] + l[11] * r[12]; \
d[9] = l[8] * r[1] + l[9] * r[5] + l[10] * r[9] + l[11] * r[13]; \
d[10] = l[8] * r[2] + l[9] * r[6] + l[10] * r[10] + l[11] * r[14]; \
d[11] = l[8] * r[3] + l[9] * r[7] + l[10] * r[11] + l[11] * r[15]; \
d[12] = l[12] * r[0] + l[13] * r[4] + l[14] * r[8] + l[15] * r[12]; \
d[13] = l[12] * r[1] + l[13] * r[5] + l[14] * r[9] + l[15] * r[13]; \
d[14] = l[12] * r[2] + l[13] * r[6] + l[14] * r[10] + l[15] * r[14]; \
d[15] = l[12] * r[3] + l[13] * r[7] + l[14] * r[11] + l[15] * r[15]; \
} while (0)
CGLM_INLINE
void
glm_mat_mul4(float * __restrict m1,
float * __restrict m2,
float * __restrict dest) {
#if defined( __SSE__ ) || defined( __SSE2__ )
CGLM_MAT_MUL_SSE_4x4f(m1, m2, dest);
#else
glm_mat_mul4_impl(m1, m2, dest);
#endif
}
#endif /* cglm_mat_h */