mirror of
https://github.com/recp/cglm.git
synced 2025-12-26 02:25:02 +00:00
63 lines
2.1 KiB
C
63 lines
2.1 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_affine_mat_h
|
|
#define cglm_affine_mat_h
|
|
|
|
#include "cglm.h"
|
|
#include "cglm-mat.h"
|
|
#include "cglm-affine-mat-sse2.h"
|
|
#include "cglm-affine-mat-avx.h"
|
|
#include <assert.h>
|
|
|
|
CGLM_INLINE
|
|
void
|
|
glm_affine_mul(mat4 m1, mat4 m2, mat4 dest) {
|
|
#ifdef __AVX__
|
|
glm_affine_mul_avx(m1, m2, dest);
|
|
#elif defined( __SSE__ ) || defined( __SSE2__ )
|
|
glm_affine_mul_sse2(m1, m2, dest);
|
|
#else
|
|
float a00, a01, a02, a03, b00, b01, b02,
|
|
a10, a11, a12, a13, b10, b11, b12,
|
|
a20, a21, a22, a23, b20, b21, b22,
|
|
a30, a31, a32, a33, b30, b31, b32, b33;
|
|
|
|
a00 = m1[0][0], a01 = m1[0][1], a02 = m1[0][2], a03 = m1[0][3],
|
|
a10 = m1[1][0], a11 = m1[1][1], a12 = m1[1][2], a13 = m1[1][3],
|
|
a20 = m1[2][0], a21 = m1[2][1], a22 = m1[2][2], a23 = m1[2][3],
|
|
a30 = m1[3][0], a31 = m1[3][1], a32 = m1[3][2], a33 = m1[3][3];
|
|
|
|
b00 = m2[0][0], b01 = m2[0][1], b02 = m2[0][2],
|
|
b10 = m2[1][0], b11 = m2[1][1], b12 = m2[1][2],
|
|
b20 = m2[2][0], b21 = m2[2][1], b22 = m2[2][2],
|
|
b30 = m2[3][0], b31 = m2[3][1], b32 = m2[3][2], b33 = m2[3][3];
|
|
|
|
dest[0][0] = a00 * b00 + a10 * b01 + a20 * b02;
|
|
dest[0][1] = a01 * b00 + a11 * b01 + a21 * b02;
|
|
dest[0][2] = a02 * b00 + a12 * b01 + a22 * b02;
|
|
dest[0][3] = a03 * b00 + a13 * b01 + a23 * b02;
|
|
|
|
dest[1][0] = a00 * b10 + a10 * b11 + a20 * b12;
|
|
dest[1][1] = a01 * b10 + a11 * b11 + a21 * b12;
|
|
dest[1][2] = a02 * b10 + a12 * b11 + a22 * b12;
|
|
dest[1][3] = a03 * b10 + a13 * b11 + a23 * b12;
|
|
|
|
dest[2][0] = a00 * b20 + a10 * b21 + a20 * b22;
|
|
dest[2][1] = a01 * b20 + a11 * b21 + a21 * b22;
|
|
dest[2][2] = a02 * b20 + a12 * b21 + a22 * b22;
|
|
dest[2][3] = a03 * b20 + a13 * b21 + a23 * b22;
|
|
|
|
dest[3][0] = a00 * b30 + a10 * b31 + a20 * b32 + a30 * b33;
|
|
dest[3][1] = a01 * b30 + a11 * b31 + a21 * b32 + a31 * b33;
|
|
dest[3][2] = a02 * b30 + a12 * b31 + a22 * b32 + a32 * b33;
|
|
dest[3][3] = a03 * b30 + a13 * b31 + a23 * b32 + a33 * b33;
|
|
#endif
|
|
}
|
|
|
|
#endif /* cglm_affine_mat_h */
|