zdoom/gzdoom-gles
0
0
Fork 0
mirror of https://github.com/ZDoom/gzdoom-gles.git synced 2025-01-18 22:51:39 +00:00
Code Issues Projects Releases Packages Wiki Activity

SSE2 version of wrap

Browse source
This commit is contained in:
Magnus Norddahl 2019-12-02 18:44:15 +01:00
parent 3269b61ffc
commit 43139276d1
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/rendering/polyrenderer/drawers/screen_triangle.cpp
View file

@ -346,8 +346,10 @@ static float wrap(float value)
#else
static float wrap(float value)
{
__m128 mvalue = _mm_set_ss(value);
return _mm_cvtss_f32(_mm_sub_ss(mvalue, _mm_floor_ss(_mm_setzero_ps(), mvalue)));
__m128 f = _mm_set_ss(value);
__m128 t = _mm_cvtepi32_ps(_mm_cvttps_epi32(f));
__m128 r = _mm_sub_ps(t, _mm_and_ps(_mm_cmplt_ps(f, t), _mm_set_ss(1.0f)));
return _mm_cvtss_f32(_mm_sub_ss(f, r));
}
#endif