qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2024-11-26 22:31:05 +00:00
Code Issues Projects Releases Packages Wiki Activity

[simd] Make mmulf safe for src=dst

Browse source 
I guess I'd forgotten that the parameters are actually pointers.
This commit is contained in:
Bill Currie 2021-04-29 19:25:31 +09:00
parent c86f0c9449
commit cb7d2671d8
1 changed files with 10 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
include/QF/simd/mat4f.h
View file

@ -77,10 +77,16 @@ VISIBLE
void
mmulf (mat4f_t c, const mat4f_t a, const mat4f_t b)
{
c[0] = a[0] * b[0][0] + a[1] * b[0][1] + a[2] * b[0][2] + a[3] * b[0][3];
c[1] = a[0] * b[1][0] + a[1] * b[1][1] + a[2] * b[1][2] + a[3] * b[1][3];
c[2] = a[0] * b[2][0] + a[1] * b[2][1] + a[2] * b[2][2] + a[3] * b[2][3];
c[3] = a[0] * b[3][0] + a[1] * b[3][1] + a[2] * b[3][2] + a[3] * b[3][3];
mat4f_t t;
t[0] = a[0] * b[0][0] + a[1] * b[0][1] + a[2] * b[0][2] + a[3] * b[0][3];
t[1] = a[0] * b[1][0] + a[1] * b[1][1] + a[2] * b[1][2] + a[3] * b[1][3];
t[2] = a[0] * b[2][0] + a[1] * b[2][1] + a[2] * b[2][2] + a[3] * b[2][3];
t[3] = a[0] * b[3][0] + a[1] * b[3][1] + a[2] * b[3][2] + a[3] * b[3][3];
c[0] = t[0];
c[1] = t[1];
c[2] = t[2];
c[3] = t[3];
}
#ifndef IMPLEMENT_MAT4F_Funcs