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optimize min and max for vec4

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This commit is contained in:
Recep Aslantas
2018-04-14 11:35:28 +03:00
parent ca9f61dd74
commit 429aff087f
2 changed files with 37 additions and 1 deletions
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8
include/cglm/vec4.h
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@@ -633,10 +633,14 @@ glm_vec4_distance(vec4 v1, vec4 v2) {
CGLM_INLINE CGLM_INLINE
void void
glm_vec4_maxv(vec4 v1, vec4 v2, vec4 dest) { glm_vec4_maxv(vec4 v1, vec4 v2, vec4 dest) {
#if defined( __SSE__ ) || defined( __SSE2__ )
_mm_store_ps(dest, _mm_max_ps(_mm_load_ps(v1), _mm_load_ps(v2)));
#else
dest[0] = glm_max(v1[0], v2[0]); dest[0] = glm_max(v1[0], v2[0]);
dest[1] = glm_max(v1[1], v2[1]); dest[1] = glm_max(v1[1], v2[1]);
dest[2] = glm_max(v1[2], v2[2]); dest[2] = glm_max(v1[2], v2[2]);
dest[3] = glm_max(v1[3], v2[3]); dest[3] = glm_max(v1[3], v2[3]);
#endif
} }
/*! /*!
@@ -649,10 +653,14 @@ glm_vec4_maxv(vec4 v1, vec4 v2, vec4 dest) {
CGLM_INLINE CGLM_INLINE
void void
glm_vec4_minv(vec4 v1, vec4 v2, vec4 dest) { glm_vec4_minv(vec4 v1, vec4 v2, vec4 dest) {
#if defined( __SSE__ ) || defined( __SSE2__ )
_mm_store_ps(dest, _mm_min_ps(_mm_load_ps(v1), _mm_load_ps(v2)));
#else
dest[0] = glm_min(v1[0], v2[0]); dest[0] = glm_min(v1[0], v2[0]);
dest[1] = glm_min(v1[1], v2[1]); dest[1] = glm_min(v1[1], v2[1]);
dest[2] = glm_min(v1[2], v2[2]); dest[2] = glm_min(v1[2], v2[2]);
dest[3] = glm_min(v1[3], v2[3]); dest[3] = glm_min(v1[3], v2[3]);
#endif
} }
/*! /*!

30
test/src/test_vec4.c
View File

@@ -38,9 +38,25 @@ test_vec4_norm(vec4 vec) {
return sqrtf(test_vec4_dot(vec, vec)); return sqrtf(test_vec4_dot(vec, vec));
} }
void
test_vec4_maxv(vec4 v1, vec4 v2, vec4 dest) {
dest[0] = glm_max(v1[0], v2[0]);
dest[1] = glm_max(v1[1], v2[1]);
dest[2] = glm_max(v1[2], v2[2]);
dest[3] = glm_max(v1[3], v2[3]);
}
void
test_vec4_minv(vec4 v1, vec4 v2, vec4 dest) {
dest[0] = glm_min(v1[0], v2[0]);
dest[1] = glm_min(v1[1], v2[1]);
dest[2] = glm_min(v1[2], v2[2]);
dest[3] = glm_min(v1[3], v2[3]);
}
void void
test_vec4(void **state) { test_vec4(void **state) {
vec4 v, v1, v2; vec4 v, v1, v2, v3, v4;
int i; int i;
float d1, d2; float d1, d2;
@@ -123,4 +139,16 @@ test_vec4(void **state) {
glm_vec4_broadcast(3, v2); glm_vec4_broadcast(3, v2);
glm_vec4_muladd(v1, v2, v); glm_vec4_muladd(v1, v2, v);
assert_true(glmc_vec4_eq_eps(v, 10)); assert_true(glmc_vec4_eq_eps(v, 10));
/* min, max */
test_rand_vec4(v1);
test_rand_vec4(v2);
glm_vec4_maxv(v1, v2, v3);
test_vec4_maxv(v1, v2, v4);
test_assert_vec4_eq(v3, v4);
glm_vec4_minv(v1, v2, v3);
test_vec4_minv(v1, v2, v4);
test_assert_vec4_eq(v3, v4);
} }