TorqueGameEngines/Torque3D
1
0
Fork 0
mirror of https://github.com/TorqueGameEngines/Torque3D.git synced 2026-04-27 07:15:37 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

add normal safety

Browse source 
wrap safety around normal checks, this was done on the scalar math may as well do it here just in case.

Ad the impl.inl files to libraries so they can actually be found.
This commit is contained in:
marauder2k7 2026-03-04 23:49:08 +00:00
parent 5a6467d54a
commit 8c1acbd1da
7 changed files with 61 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Engine/source/math/isa/neon/neon_intrinsics.h
View file

@ -205,8 +205,19 @@ namespace
inline f32x4 v_normalize3(f32x4 v)
{
f32x4 inv = v_rsqrt_nr(v_dot3(v,v));
return vmulq_f32(v, inv);
const float32x4_t zero = vdupq_n_f32(0.0f);
const float32x4_t fallback = {0.0f, 0.0f, 1.0f, 0.0f};
f32x4 dot = v_dot3(v, v);
// dot == 0?
uint32x4_t isZero = vceqq_f32(dot, zero);
f32x4 inv = v_rsqrt_nr(dot);
f32x4 norm = vmulq_f32(v, inv);
// Select fallback when zero
return vbslq_f32(isZero, fallback, norm);
}
inline f32x4 v_hadd4(f32x4 a)