| 1 | ; $Id: vertex.asm,v 1.1 2000-03-01 18:49:39 jeroen Exp $
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| 2 | ;
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| 3 | ; Assembly versions of the general vertex transform
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| 4 | ;
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| 5 |
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| 6 | .586p
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| 7 |
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| 8 | CODE32 SEGMENT DWORD USE32 PUBLIC 'CODE'
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| 9 | CODE32 ENDS
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| 10 | DATA32 SEGMENT DWORD USE32 PUBLIC 'DATA'
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| 11 | ASSUME DS:FLAT, SS:FLAT, ES:FLAT
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| 12 | DATA32 ENDS
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| 13 |
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| 14 | CODE32 SEGMENT
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| 15 |
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| 16 | PUBLIC _gl_v16_x86_general_xform
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| 17 | _gl_v16_x86_general_xform:
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| 18 |
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| 19 |
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| 20 | push EDI
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| 21 | push ESI
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| 22 |
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| 23 | mov EAX, dword ptr [ESP + 12]
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| 24 | mov ESI, dword ptr [ESP + 16]
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| 25 | mov EDX, dword ptr [ESP + 20]
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| 26 | mov EDI, dword ptr [ESP + 24]
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| 27 | mov ECX, dword ptr [ESP + 28]
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| 28 |
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| 29 |
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| 30 | v16x86_loop:
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| 31 | fld dword ptr [EDX + 0h]
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| 32 | fmul dword ptr [ESI + 0h]
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| 33 | fld dword ptr [EDX + 0h]
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| 34 | fmul dword ptr [ESI + 4h]
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| 35 | fld dword ptr [EDX + 0h]
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| 36 | fmul dword ptr [ESI + 8h]
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| 37 | fld dword ptr [EDX + 0h]
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| 38 | fmul dword ptr [ESI + 0ch]
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| 39 | fld dword ptr [EDX + 04h]
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| 40 | fmul dword ptr [ESI + 010h]
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| 41 | fld dword ptr [EDX + 04h]
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| 42 | fmul dword ptr [ESI + 014h]
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| 43 | fld dword ptr [EDX + 04h]
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| 44 | fmul dword ptr [ESI + 018h]
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| 45 | fld dword ptr [EDX + 04h]
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| 46 | fmul dword ptr [ESI + 1ch]
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| 47 | fxch ST(3)
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| 48 | faddp ST(7), ST(0)
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| 49 | fxch ST(1)
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| 50 | faddp ST(5), ST(0)
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| 51 | faddp ST(3), ST(0)
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| 52 | faddp ST(1), ST(0)
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| 53 | fld dword ptr [EDX + 08h]
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| 54 | fmul dword ptr [ESI + 20h]
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| 55 | fld dword ptr [EDX + 8h]
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| 56 | fmul dword ptr [ESI + 24h]
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| 57 | fld dword ptr [EDX + 8h]
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| 58 | fmul dword ptr [ESI + 28h]
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| 59 | fld dword ptr [EDX + 8h]
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| 60 | fmul dword ptr [ESI + 2ch]
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| 61 | fxch ST(3)
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| 62 | faddp ST(7), ST(0)
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| 63 | fxch ST(1)
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| 64 | faddp ST(5), ST(0)
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| 65 | faddp ST(3), ST(0)
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| 66 | faddp ST(1), ST(0)
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| 67 | fxch ST(3)
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| 68 | fadd dword ptr [ESI + 30h]
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| 69 | fxch ST(2)
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| 70 | fadd dword ptr [ESI + 34h]
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| 71 | fxch ST(1)
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| 72 | fadd dword ptr [ESI + 38h]
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| 73 | fxch ST(3)
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| 74 | fadd dword ptr [ESI + 3ch]
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| 75 | fxch ST(2)
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| 76 | fstp dword ptr [EAX + 00h]
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| 77 | fstp dword ptr [EAX + 04h]
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| 78 | fxch ST(1)
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| 79 | fstp dword ptr [EAX + 08h]
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| 80 | fstp dword ptr [EAX + 0ch]
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| 81 | add EAX, 64
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| 82 | add EDX, EDI
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| 83 | dec ECX
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| 84 | jne v16x86_loop
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| 85 |
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| 86 | pop ESI
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| 87 | pop EDI
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| 88 | ret
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| 89 |
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| 90 | CODE32 ENDS
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| 91 |
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| 92 | end
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