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optimize individual translates

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This commit is contained in:
Recep Aslantas
2016-09-13 12:29:01 +03:00
parent c480267463
commit e90f6b505d
1 changed files with 24 additions and 0 deletions
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24
include/cglm-affine.h
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@@ -75,25 +75,49 @@ glm_translate(mat4 m, vec3 v) {
CGLM_INLINE
void
glm_translate_x(mat4 m, float to) {
#if defined( __SSE__ ) || defined( __SSE2__ )
_mm_store_ps(m[3],
_mm_add_ps(_mm_mul_ps(_mm_load_ps(m[0]),
_mm_set1_ps(to)),
_mm_load_ps(m[3])))
;
#else
vec4 v1;
glm_vec4_scale(m[0], to, v1);
glm_vec4_add(v1, m[3], m[3]);
#endif
}
CGLM_INLINE
void
glm_translate_y(mat4 m, float to) {
#if defined( __SSE__ ) || defined( __SSE2__ )
_mm_store_ps(m[3],
_mm_add_ps(_mm_mul_ps(_mm_load_ps(m[1]),
_mm_set1_ps(to)),
_mm_load_ps(m[3])))
;
#else
vec4 v1;
glm_vec4_scale(m[1], to, v1);
glm_vec4_add(v1, m[3], m[3]);
#endif
}
CGLM_INLINE
void
glm_translate_z(mat4 m, float to) {
#if defined( __SSE__ ) || defined( __SSE2__ )
_mm_store_ps(m[3],
_mm_add_ps(_mm_mul_ps(_mm_load_ps(m[2]),
_mm_set1_ps(to)),
_mm_load_ps(m[3])))
;
#else
vec4 v1;
glm_vec4_scale(m[2], to, v1);
glm_vec4_add(v1, m[3], m[3]);
#endif
}
/* scale */