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vec: minnadd and maxadd helpers

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This commit is contained in:
Recep Aslantas
2018-11-29 10:50:24 +03:00
parent 4e08b7e335
commit 6d6954b208
9 changed files with 184 additions and 18 deletions
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54
include/cglm/vec4.h
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@@ -34,6 +34,9 @@
CGLM_INLINE void glm_vec4_addadd(vec4 a, vec4 b, vec4 dest);
CGLM_INLINE void glm_vec4_subadd(vec4 a, vec4 b, vec4 dest);
CGLM_INLINE void glm_vec4_muladd(vec4 a, vec4 b, vec4 dest);
CGLM_INLINE void glm_vec4_muladds(vec4 a, float s, vec4 dest);
CGLM_INLINE void glm_vec4_maxadd(vec4 a, vec4 b, vec4 dest);
CGLM_INLINE void glm_vec4_minadd(vec4 a, vec4 b, vec4 dest);
CGLM_INLINE void glm_vec4_negate(vec4 v);
CGLM_INLINE void glm_vec4_inv(vec4 v);
CGLM_INLINE void glm_vec4_inv_to(vec4 v, vec4 dest);
@@ -45,7 +48,6 @@
CGLM_INLINE void glm_vec4_clamp(vec4 v, float minVal, float maxVal);
CGLM_INLINE void glm_vec4_lerp(vec4 from, vec4 to, float t, vec4 dest)
DEPRECATED:
glm_vec4_dup
glm_vec4_flipsign
@@ -521,6 +523,54 @@ glm_vec4_muladds(vec4 a, float s, vec4 dest) {
#endif
}
/*!
* @brief add max of two vector to result/dest
*
* it applies += operator so dest must be initialized
*
* @param[in] a vector 1
* @param[in] b vector 2
* @param[out] dest dest += max(a, b)
*/
CGLM_INLINE
void
glm_vec4_maxadd(vec4 a, vec4 b, vec4 dest) {
#if defined( __SSE__ ) || defined( __SSE2__ )
glmm_store(dest, _mm_add_ps(glmm_load(dest),
_mm_max_ps(glmm_load(a),
glmm_load(b))));
#else
dest[0] += glm_max(a[0], b[0]);
dest[1] += glm_max(a[1], b[1]);
dest[2] += glm_max(a[2], b[2]);
dest[3] += glm_max(a[3], b[3]);
#endif
}
/*!
* @brief add min of two vector to result/dest
*
* it applies += operator so dest must be initialized
*
* @param[in] a vector
* @param[in] s scalar
* @param[out] dest dest += min(a, b)
*/
CGLM_INLINE
void
glm_vec4_minadd(vec4 a, vec4 b, vec4 dest) {
#if defined( __SSE__ ) || defined( __SSE2__ )
glmm_store(dest, _mm_add_ps(glmm_load(dest),
_mm_min_ps(glmm_load(a),
glmm_load(b))));
#else
dest[0] += glm_min(a[0], b[0]);
dest[1] += glm_min(a[1], b[1]);
dest[2] += glm_min(a[2], b[2]);
dest[3] += glm_min(a[3], b[3]);
#endif
}
/*!
* @brief negate vector components and store result in dest
*
@@ -694,7 +744,7 @@ glm_vec4_lerp(vec4 from, vec4 to, float t, vec4 dest) {
/* from + s * (to - from) */
glm_vec4_broadcast(glm_clamp_zo(t), s);
glm_vec4_sub(to, from, v);
glm_vec4_mulv(s, v, v);
glm_vec4_mul(s, v, v);
glm_vec4_add(from, v, dest);
}