| /programs/demos/3DS/3DMATH.INC |
|---|
| 28,6 → 28,137 |
| ret |
| end if |
| reverse_mx_3x3: |
| ; esi - source matrix |
| ; edi - desired reversed matrix |
| push ebp |
| mov ebp,esp |
| sub esp,4 |
| .det equ ebp-4 |
| fninit |
| fld dword[esi] |
| fmul dword[esi+16] |
| fmul dword[esi+32] |
| fld dword[esi+12] |
| fmul dword[esi+28] |
| fmul dword[esi+8] |
| faddp |
| fld dword[esi+24] |
| fmul dword[esi+4] |
| fmul dword[esi+20] |
| faddp |
| fld dword[esi] |
| fmul dword[esi+28] |
| fmul dword[esi+20] |
| fchs |
| faddp |
| fld dword[esi+24] |
| fmul dword[esi+16] |
| fmul dword[esi+8] |
| fchs |
| faddp |
| fld dword[esi+12] |
| fmul dword[esi+4] |
| fmul dword[esi+32] |
| fchs |
| faddp |
| fstp dword[.det] |
| cmp dword[.det],0 |
| jne @f |
| int3 |
| @@: |
| ; fld1 |
| ; fdiv dword[.det] |
| ; fstp dword[.det] |
| fld dword[esi+16] |
| fmul dword[esi+32] |
| fld dword[esi+20] |
| fmul dword[esi+28] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi] |
| fld dword[esi+8] |
| fmul dword[esi+28] |
| fld dword[esi+4] |
| fmul dword[esi+32] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+4] |
| fld dword[esi+4] |
| fmul dword[esi+20] |
| fld dword[esi+8] |
| fmul dword[esi+16] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+8] |
| fld dword[esi+20] |
| fmul dword[esi+24] |
| fld dword[esi+12] |
| fmul dword[esi+32] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+12] |
| fld dword[esi] |
| fmul dword[esi+32] |
| fld dword[esi+8] |
| fmul dword[esi+24] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+16] |
| fld dword[esi+8] |
| fmul dword[esi+12] |
| fld dword[esi] |
| fmul dword[esi+20] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+20] |
| fld dword[esi+12] |
| fmul dword[esi+28] |
| fld dword[esi+16] |
| fmul dword[esi+24] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+24] |
| fld dword[esi+4] |
| fmul dword[esi+24] |
| fld dword[esi] |
| fmul dword[esi+28] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+28] |
| fld dword[esi] |
| fmul dword[esi+16] |
| fld dword[esi+4] |
| fmul dword[esi+12] |
| fchs |
| faddp |
| fdiv dword[.det] |
| fstp dword[edi+32] |
| mov esp,ebp |
| pop ebp |
| ret |
| make_vector_r: |
| fninit |
| fld dword[edi] ;edi+x3d |
| 211,7 → 342,7 |
| faddp |
| fstp dword[edi+24] |
| fld .siny |
| fld .cosy |
| fmul .sinz |
| fstp dword[edi+4] |
| 377,6 → 508,7 |
| translate_points: ; just convert into integer; z coord still needed |
| fninit |
| .again: |
| if 0 |
| fld dword[esi+8] |
| ; fmul [rsscale] |
| fist word[edi+4] |
| 403,7 → 535,19 |
| fiadd [yobs] |
| fiadd [vect_y] |
| fistp word[edi+2] |
| end if |
| ; movups xmm0,[esi] |
| ; cvtps2dq xmm0,xmm0 |
| ; packsdw xmm0,xmm0 |
| ; movq [edi] |
| fld dword[esi] |
| fiadd [vect_x] |
| fistp word[edi] |
| fld dword[esi+4] |
| fiadd [vect_y] |
| fistp word[edi+2] |
| fld dword[esi+8] |
| fistp word[edi+4] |
| add esi,12 |
| add edi,6 |
| dec ecx |