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mat3 transpose

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This commit is contained in:
Recep Aslantas
2016-10-10 17:38:56 +03:00
parent 6390367476
commit dc85a6c3ca
2 changed files with 117 additions and 0 deletions
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60
include/cglm-mat3-simd-sse2.h
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@@ -11,6 +11,66 @@
#include "cglm-intrin.h" #include "cglm-intrin.h"
CGLM_INLINE
void
glm_mat3_transp_to_sse2(mat3 m, mat3 dest){
__m128 x0, x1, x2, x3, x4;
/*
a b c d a d g b
e f g h -> e h c f
j j
*/
/* d c b a */
/* h g f e */
x0 = _mm_loadu_ps(&m[0][0]);
x1 = _mm_loadu_ps(&m[1][1]);
/* g g b b */
/* a d g b */
x2 = _mm_shuffle_ps(x0, x1, _MM_SHUFFLE(2, 2, 1, 1));
x3 = _mm_shuffle_ps(x0, x2, _MM_SHUFFLE(0, 2, 3, 0));
/* c c f f */
/* e h c f */
x2 = _mm_shuffle_ps(x1, x0, _MM_SHUFFLE(2, 2, 1, 1));
x4 = _mm_shuffle_ps(x1, x2, _MM_SHUFFLE(0, 2, 3, 0));
_mm_storeu_ps(&dest[0][0], x3);
_mm_storeu_ps(&dest[1][1], x4);
dest[2][2] = m[2][2];
}
CGLM_INLINE
void
glm_mat3_transp_sse2(mat3 m){
__m128 x0, x1, x2, x3, x4;
/*
a b c d a d g b
e f g h -> e h c f
j j
*/
/* d c b a */
/* h g f e */
x0 = _mm_loadu_ps(&m[0][0]);
x1 = _mm_loadu_ps(&m[1][1]);
/* g g b b */
/* a d g b */
x2 = _mm_shuffle_ps(x0, x1, _MM_SHUFFLE(2, 2, 1, 1));
x3 = _mm_shuffle_ps(x0, x2, _MM_SHUFFLE(0, 2, 3, 0));
/* c c f f */
/* e h c f */
x2 = _mm_shuffle_ps(x1, x0, _MM_SHUFFLE(2, 2, 1, 1));
x4 = _mm_shuffle_ps(x1, x2, _MM_SHUFFLE(0, 2, 3, 0));
_mm_storeu_ps(&m[0][0], x3);
_mm_storeu_ps(&m[1][1], x4);
}
CGLM_INLINE CGLM_INLINE
void void
glm_mat3_mul_sse2(mat3 m1, mat3 m2, mat3 dest) { glm_mat3_mul_sse2(mat3 m1, mat3 m2, mat3 dest) {

57
include/cglm-mat3.h
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@@ -76,6 +76,63 @@ glm_mat3_mul(mat3 m1, mat3 m2, mat3 dest) {
#endif #endif
} }
/*!
* @brief transpose mat3 and store in dest
*
* source matrix will not be transposed unless dest is m
*
* @param m[in] matrix
* @param dest[out] result
*/
CGLM_INLINE
void
glm_mat3_transpose_to(mat3 m, mat3 dest) {
#if defined( __SSE__ ) || defined( __SSE2__ )
glm_mat3_transp_to_sse2(m, dest);
#else
dest[0][0] = m[0][0];
dest[0][1] = m[1][0];
dest[0][2] = m[2][0];
dest[1][0] = m[0][1];
dest[1][1] = m[1][1];
dest[1][2] = m[2][1];
dest[2][0] = m[0][2];
dest[2][1] = m[1][2];
dest[2][2] = m[2][2];
#endif
}
/*!
* @brief tranpose mat3 and store result in same matrix
*
* @param[in, out] m source and dest
*/
CGLM_INLINE
void
glm_mat3_transpose(mat3 m) {
#if defined( __SSE__ ) || defined( __SSE2__ )
glm_mat3_transp_sse2(m);
#else
mat3 tmp;
tmp[0][1] = m[1][0];
tmp[0][2] = m[2][0];
tmp[1][0] = m[0][1];
tmp[1][2] = m[2][1];
tmp[2][0] = m[0][2];
tmp[2][1] = m[1][2];
m[0][1] = tmp[0][1];
m[0][2] = tmp[0][2];
m[1][0] = tmp[1][0];
m[1][2] = tmp[1][2];
m[2][0] = tmp[2][0];
m[2][1] = tmp[2][1];
#endif
}
CGLM_INLINE CGLM_INLINE
void void
glm_mat3_print(mat3 matrix, glm_mat3_print(mat3 matrix,