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fix(vec4): force 16 Bytes aligned

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This commit is contained in:
Loïc GUEZO
2025-06-11 22:19:18 +02:00
parent e853d6d456
commit e157997d98
2 changed files with 36 additions and 25 deletions
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26
src/math/vec4.h
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@@ -14,11 +14,12 @@
#else
#endif
typedef union
// must be aligned by 16 Bytes (less instruction executed for SSE)
typedef union
{
struct { float x, y, z, w; };
float data[4];
} Vec4f_t;
}__attribute__((aligned(16))) Vec4f_t;
Vec4f_t vec4f_from_array(float *__restrict val);
Vec4f_t vec4(float x, float y, float z, float w);
@@ -26,8 +27,11 @@ Vec4f_t vec4(float x, float y, float z, float w);
Vec4f_t vec4f_scalar(float f);
// (0, 0, 0, 0)
Vec4f_t vec4f_zero(void);
Vec4f_t vec4f_clone(Vec4f_t *__restrict v);
inline static Vec4f_t vec4f_clone(Vec4f_t *__restrict v)
{
return *v;
}
Vec4f_t vec4f_add_r(Vec4f_t *__restrict out, Vec4f_t a);
Vec4f_t vec4f_add(Vec4f_t a, Vec4f_t b);
@@ -37,20 +41,20 @@ Vec4f_t vec4f_sub(Vec4f_t a, Vec4f_t b);
Vec4f_t vec4f_scale_r(Vec4f_t *__restrict out, float scale);
Vec4f_t vec4f_scale(Vec4f_t a, float scale);
// float vec4_dot(Vec4_t a, Vec4_t b);
float vec4_dot(Vec4f_t a, Vec4f_t b);
// float vec4_len(Vec4_t v);
float vec4_len(Vec4f_t v);
// Vec4_t vec4_norm(Vec4_t v);
Vec4f_t vec4_norm(Vec4f_t v);
// Vec4_t vec4_lerp(Vec4_t a, Vec4_t b, float t);
Vec4f_t vec4_lerp(Vec4f_t a, Vec4f_t b, float t);
// float vec4_angle(Vec4_t a, Vec4_t b);
float vec4_angle(Vec4f_t a, Vec4f_t b);
// Vec4_t vec4_proj(Vec4_t a, Vec4_t b);
Vec4f_t vec4_proj(Vec4f_t a, Vec4f_t b);
// Vec4_t vec4_refl(Vec4_t v, Vec4_t normal);
Vec4f_t vec4_refl(Vec4f_t v, Vec4f_t normal);
// float vec4_dist(Vec4_t a, Vec4_t b);
float vec4_dist(Vec4f_t a, Vec4f_t b);
#endif // VECTOR4_H