1
0
Fork 0
forked from id/quake
sdlqw/QW/client/d_polysa.asm
1999-12-21 00:00:00 +00:00

1120 lines
27 KiB
NASM

.386P
.model FLAT
externdef _d_zistepu:dword
externdef _d_pzbuffer:dword
externdef _d_zistepv:dword
externdef _d_zrowbytes:dword
externdef _d_ziorigin:dword
externdef _r_turb_s:dword
externdef _r_turb_t:dword
externdef _r_turb_pdest:dword
externdef _r_turb_spancount:dword
externdef _r_turb_turb:dword
externdef _r_turb_pbase:dword
externdef _r_turb_sstep:dword
externdef _r_turb_tstep:dword
externdef _r_bmodelactive:dword
externdef _d_sdivzstepu:dword
externdef _d_tdivzstepu:dword
externdef _d_sdivzstepv:dword
externdef _d_tdivzstepv:dword
externdef _d_sdivzorigin:dword
externdef _d_tdivzorigin:dword
externdef _sadjust:dword
externdef _tadjust:dword
externdef _bbextents:dword
externdef _bbextentt:dword
externdef _cacheblock:dword
externdef _d_viewbuffer:dword
externdef _cachewidth:dword
externdef _d_pzbuffer:dword
externdef _d_zrowbytes:dword
externdef _d_zwidth:dword
externdef _d_scantable:dword
externdef _r_lightptr:dword
externdef _r_numvblocks:dword
externdef _prowdestbase:dword
externdef _pbasesource:dword
externdef _r_lightwidth:dword
externdef _lightright:dword
externdef _lightrightstep:dword
externdef _lightdeltastep:dword
externdef _lightdelta:dword
externdef _lightright:dword
externdef _lightdelta:dword
externdef _sourcetstep:dword
externdef _surfrowbytes:dword
externdef _lightrightstep:dword
externdef _lightdeltastep:dword
externdef _r_sourcemax:dword
externdef _r_stepback:dword
externdef _colormap:dword
externdef _blocksize:dword
externdef _sourcesstep:dword
externdef _lightleft:dword
externdef _blockdivshift:dword
externdef _blockdivmask:dword
externdef _lightleftstep:dword
externdef _r_origin:dword
externdef _r_ppn:dword
externdef _r_pup:dword
externdef _r_pright:dword
externdef _ycenter:dword
externdef _xcenter:dword
externdef _d_vrectbottom_particle:dword
externdef _d_vrectright_particle:dword
externdef _d_vrecty:dword
externdef _d_vrectx:dword
externdef _d_pix_shift:dword
externdef _d_pix_min:dword
externdef _d_pix_max:dword
externdef _d_y_aspect_shift:dword
externdef _screenwidth:dword
externdef _vright:dword
externdef _vup:dword
externdef _vpn:dword
externdef _BOPS_Error:dword
externdef _snd_scaletable:dword
externdef _paintbuffer:dword
externdef _snd_linear_count:dword
externdef _snd_p:dword
externdef _snd_vol:dword
externdef _snd_out:dword
externdef _r_leftclipped:dword
externdef _r_leftenter:dword
externdef _r_rightclipped:dword
externdef _r_rightenter:dword
externdef _modelorg:dword
externdef _xscale:dword
externdef _r_refdef:dword
externdef _yscale:dword
externdef _r_leftexit:dword
externdef _r_rightexit:dword
externdef _r_lastvertvalid:dword
externdef _cacheoffset:dword
externdef _newedges:dword
externdef _removeedges:dword
externdef _r_pedge:dword
externdef _r_framecount:dword
externdef _r_u1:dword
externdef _r_emitted:dword
externdef _edge_p:dword
externdef _surface_p:dword
externdef _surfaces:dword
externdef _r_lzi1:dword
externdef _r_v1:dword
externdef _r_ceilv1:dword
externdef _r_nearzi:dword
externdef _r_nearzionly:dword
externdef _edge_aftertail:dword
externdef _edge_tail:dword
externdef _current_iv:dword
externdef _edge_head_u_shift20:dword
externdef _span_p:dword
externdef _edge_head:dword
externdef _fv:dword
externdef _edge_tail_u_shift20:dword
externdef _r_apverts:dword
externdef _r_anumverts:dword
externdef _aliastransform:dword
externdef _r_avertexnormals:dword
externdef _r_plightvec:dword
externdef _r_ambientlight:dword
externdef _r_shadelight:dword
externdef _aliasxcenter:dword
externdef _aliasycenter:dword
externdef _a_sstepxfrac:dword
externdef _r_affinetridesc:dword
externdef _acolormap:dword
externdef _d_pcolormap:dword
externdef _r_affinetridesc:dword
externdef _d_sfrac:dword
externdef _d_ptex:dword
externdef _d_pedgespanpackage:dword
externdef _d_tfrac:dword
externdef _d_light:dword
externdef _d_zi:dword
externdef _d_pdest:dword
externdef _d_pz:dword
externdef _d_aspancount:dword
externdef _erroradjustup:dword
externdef _errorterm:dword
externdef _d_xdenom:dword
externdef _r_p0:dword
externdef _r_p1:dword
externdef _r_p2:dword
externdef _a_tstepxfrac:dword
externdef _r_sstepx:dword
externdef _r_tstepx:dword
externdef _a_ststepxwhole:dword
externdef _zspantable:dword
externdef _skintable:dword
externdef _r_zistepx:dword
externdef _erroradjustdown:dword
externdef _d_countextrastep:dword
externdef _ubasestep:dword
externdef _a_ststepxwhole:dword
externdef _a_tstepxfrac:dword
externdef _r_lstepx:dword
externdef _a_spans:dword
externdef _erroradjustdown:dword
externdef _d_pdestextrastep:dword
externdef _d_pzextrastep:dword
externdef _d_sfracextrastep:dword
externdef _d_ptexextrastep:dword
externdef _d_countextrastep:dword
externdef _d_tfracextrastep:dword
externdef _d_lightextrastep:dword
externdef _d_ziextrastep:dword
externdef _d_pdestbasestep:dword
externdef _d_pzbasestep:dword
externdef _d_sfracbasestep:dword
externdef _d_ptexbasestep:dword
externdef _ubasestep:dword
externdef _d_tfracbasestep:dword
externdef _d_lightbasestep:dword
externdef _d_zibasestep:dword
externdef _zspantable:dword
externdef _r_lstepy:dword
externdef _r_sstepy:dword
externdef _r_tstepy:dword
externdef _r_zistepy:dword
externdef _D_PolysetSetEdgeTable:dword
externdef _D_RasterizeAliasPolySmooth:dword
externdef float_point5:dword
externdef Float2ToThe31nd:dword
externdef izistep:dword
externdef izi:dword
externdef FloatMinus2ToThe31nd:dword
externdef float_1:dword
externdef float_particle_z_clip:dword
externdef float_minus_1:dword
externdef float_0:dword
externdef fp_16:dword
externdef fp_64k:dword
externdef fp_1m:dword
externdef fp_1m_minus_1:dword
externdef fp_8:dword
externdef entryvec_table:dword
externdef advancetable:dword
externdef sstep:dword
externdef tstep:dword
externdef pspantemp:dword
externdef counttemp:dword
externdef jumptemp:dword
externdef reciprocal_table:dword
externdef DP_Count:dword
externdef DP_u:dword
externdef DP_v:dword
externdef DP_32768:dword
externdef DP_Color:dword
externdef DP_Pix:dword
externdef DP_EntryTable:dword
externdef pbase:dword
externdef s:dword
externdef t:dword
externdef sfracf:dword
externdef tfracf:dword
externdef snext:dword
externdef tnext:dword
externdef spancountminus1:dword
externdef zi16stepu:dword
externdef sdivz16stepu:dword
externdef tdivz16stepu:dword
externdef zi8stepu:dword
externdef sdivz8stepu:dword
externdef tdivz8stepu:dword
externdef reciprocal_table_16:dword
externdef entryvec_table_16:dword
externdef ceil_cw:dword
externdef single_cw:dword
externdef fp_64kx64k:dword
externdef pz:dword
externdef spr8entryvec_table:dword
_DATA SEGMENT
align 4
p10_minus_p20 dd 0
p01_minus_p21 dd 0
temp0 dd 0
temp1 dd 0
Ltemp dd 0
aff8entryvec_table dd LDraw8, LDraw7, LDraw6, LDraw5
dd LDraw4, LDraw3, LDraw2, LDraw1
lzistepx dd 0
_DATA ENDS
_TEXT SEGMENT
externdef _D_PolysetSetEdgeTable:dword
externdef _D_RasterizeAliasPolySmooth:dword
public _D_PolysetCalcGradients
_D_PolysetCalcGradients:
fild ds:dword ptr[_r_p0+0]
fild ds:dword ptr[_r_p2+0]
fild ds:dword ptr[_r_p0+4]
fild ds:dword ptr[_r_p2+4]
fild ds:dword ptr[_r_p1+0]
fild ds:dword ptr[_r_p1+4]
fxch st(3)
fsub st(0),st(2)
fxch st(1)
fsub st(0),st(4)
fxch st(5)
fsubrp st(4),st(0)
fxch st(2)
fsubrp st(1),st(0)
fxch st(1)
fld ds:dword ptr[_d_xdenom]
fxch st(4)
fstp ds:dword ptr[p10_minus_p20]
fstp ds:dword ptr[p01_minus_p21]
fxch st(2)
fild ds:dword ptr[_r_p2+16]
fild ds:dword ptr[_r_p0+16]
fild ds:dword ptr[_r_p1+16]
fxch st(2)
fld st(0)
fsubp st(2),st(0)
fsubp st(2),st(0)
fld st(0)
fmul st(0),st(5)
fxch st(2)
fld st(0)
fmul ds:dword ptr[p01_minus_p21]
fxch st(2)
fmul ds:dword ptr[p10_minus_p20]
fxch st(1)
fmul st(0),st(5)
fxch st(2)
fsubrp st(3),st(0)
fsubp st(1),st(0)
fld st(2)
fmul ds:dword ptr[float_minus_1]
fxch st(2)
fmul st(0),st(3)
fxch st(1)
fmul st(0),st(2)
fldcw ds:word ptr[ceil_cw]
fistp ds:dword ptr[_r_lstepy]
fistp ds:dword ptr[_r_lstepx]
fldcw ds:word ptr[single_cw]
fild ds:dword ptr[_r_p2+8]
fild ds:dword ptr[_r_p0+8]
fild ds:dword ptr[_r_p1+8]
fxch st(2)
fld st(0)
fsubp st(2),st(0)
fsubp st(2),st(0)
fld st(0)
fmul st(0),st(6)
fxch st(2)
fld st(0)
fmul ds:dword ptr[p01_minus_p21]
fxch st(2)
fmul ds:dword ptr[p10_minus_p20]
fxch st(1)
fmul st(0),st(6)
fxch st(2)
fsubrp st(3),st(0)
fsubp st(1),st(0)
fmul st(0),st(2)
fxch st(1)
fmul st(0),st(3)
fxch st(1)
fistp ds:dword ptr[_r_sstepy]
fistp ds:dword ptr[_r_sstepx]
fild ds:dword ptr[_r_p2+12]
fild ds:dword ptr[_r_p0+12]
fild ds:dword ptr[_r_p1+12]
fxch st(2)
fld st(0)
fsubp st(2),st(0)
fsubp st(2),st(0)
fld st(0)
fmul st(0),st(6)
fxch st(2)
fld st(0)
fmul ds:dword ptr[p01_minus_p21]
fxch st(2)
fmul ds:dword ptr[p10_minus_p20]
fxch st(1)
fmul st(0),st(6)
fxch st(2)
fsubrp st(3),st(0)
fsubp st(1),st(0)
fmul st(0),st(2)
fxch st(1)
fmul st(0),st(3)
fxch st(1)
fistp ds:dword ptr[_r_tstepy]
fistp ds:dword ptr[_r_tstepx]
fild ds:dword ptr[_r_p2+20]
fild ds:dword ptr[_r_p0+20]
fild ds:dword ptr[_r_p1+20]
fxch st(2)
fld st(0)
fsubp st(2),st(0)
fsubp st(2),st(0)
fld st(0)
fmulp st(6),st(0)
fxch st(1)
fld st(0)
fmul ds:dword ptr[p01_minus_p21]
fxch st(2)
fmul ds:dword ptr[p10_minus_p20]
fxch st(1)
fmulp st(5),st(0)
fxch st(5)
fsubp st(1),st(0)
fxch st(3)
fsubrp st(4),st(0)
fxch st(1)
fmulp st(2),st(0)
fmulp st(2),st(0)
fistp ds:dword ptr[_r_zistepx]
fistp ds:dword ptr[_r_zistepy]
mov eax,ds:dword ptr[_r_sstepx]
mov edx,ds:dword ptr[_r_tstepx]
shl eax,16
shl edx,16
mov ds:dword ptr[_a_sstepxfrac],eax
mov ds:dword ptr[_a_tstepxfrac],edx
mov ecx,ds:dword ptr[_r_sstepx]
mov eax,ds:dword ptr[_r_tstepx]
sar ecx,16
sar eax,16
imul ds:dword ptr[4+0+esp]
add eax,ecx
mov ds:dword ptr[_a_ststepxwhole],eax
ret
public _D_PolysetRecursiveTriangle
_D_PolysetRecursiveTriangle:
push ebp
push esi
push edi
push ebx
mov esi,ds:dword ptr[8+16+esp]
mov ebx,ds:dword ptr[4+16+esp]
mov edi,ds:dword ptr[12+16+esp]
mov eax,ds:dword ptr[0+esi]
mov edx,ds:dword ptr[0+ebx]
mov ebp,ds:dword ptr[4+esi]
sub eax,edx
mov ecx,ds:dword ptr[4+ebx]
sub ebp,ecx
inc eax
cmp eax,2
ja LSplit
mov eax,ds:dword ptr[0+edi]
inc ebp
cmp ebp,2
ja LSplit
mov edx,ds:dword ptr[0+esi]
mov ebp,ds:dword ptr[4+edi]
sub eax,edx
mov ecx,ds:dword ptr[4+esi]
sub ebp,ecx
inc eax
cmp eax,2
ja LSplit2
mov eax,ds:dword ptr[0+ebx]
inc ebp
cmp ebp,2
ja LSplit2
mov edx,ds:dword ptr[0+edi]
mov ebp,ds:dword ptr[4+ebx]
sub eax,edx
mov ecx,ds:dword ptr[4+edi]
sub ebp,ecx
inc eax
inc ebp
mov edx,ebx
cmp eax,2
ja LSplit3
cmp ebp,2
jna LDone
LSplit3:
mov ebx,edi
mov edi,esi
mov esi,edx
jmp LSplit
LSplit2:
mov eax,ebx
mov ebx,esi
mov esi,edi
mov edi,eax
LSplit:
sub esp,24
mov eax,ds:dword ptr[8+ebx]
mov edx,ds:dword ptr[8+esi]
mov ecx,ds:dword ptr[12+ebx]
add eax,edx
mov edx,ds:dword ptr[12+esi]
sar eax,1
add ecx,edx
mov ds:dword ptr[8+esp],eax
mov eax,ds:dword ptr[20+ebx]
sar ecx,1
mov edx,ds:dword ptr[20+esi]
mov ds:dword ptr[12+esp],ecx
add eax,edx
mov ecx,ds:dword ptr[0+ebx]
mov edx,ds:dword ptr[0+esi]
sar eax,1
add edx,ecx
mov ds:dword ptr[20+esp],eax
mov eax,ds:dword ptr[4+ebx]
sar edx,1
mov ebp,ds:dword ptr[4+esi]
mov ds:dword ptr[0+esp],edx
add ebp,eax
sar ebp,1
mov ds:dword ptr[4+esp],ebp
cmp ds:dword ptr[4+esi],eax
jg LNoDraw
mov edx,ds:dword ptr[0+esi]
jnz LDraw
cmp edx,ecx
jl LNoDraw
LDraw:
mov edx,ds:dword ptr[20+esp]
mov ecx,ds:dword ptr[4+esp]
sar edx,16
mov ebp,ds:dword ptr[0+esp]
mov eax,ds:dword ptr[_zspantable+ecx*4]
cmp dx,ds:word ptr[eax+ebp*2]
jnge LNoDraw
mov ds:word ptr[eax+ebp*2],dx
mov eax,ds:dword ptr[12+esp]
sar eax,16
mov edx,ds:dword ptr[8+esp]
sar edx,16
sub ecx,ecx
mov eax,ds:dword ptr[_skintable+eax*4]
mov ebp,ds:dword ptr[4+esp]
mov cl,ds:byte ptr[eax+edx]
mov edx,ds:dword ptr[_d_pcolormap]
mov dl,ds:byte ptr[edx+ecx]
mov ecx,ds:dword ptr[0+esp]
mov eax,ds:dword ptr[_d_scantable+ebp*4]
add ecx,eax
mov eax,ds:dword ptr[_d_viewbuffer]
mov ds:byte ptr[eax+ecx*1],dl
LNoDraw:
push esp
push ebx
push edi
call near ptr _D_PolysetRecursiveTriangle
mov ebx,esp
push esi
push ebx
push edi
call near ptr _D_PolysetRecursiveTriangle
add esp,24
LDone:
pop ebx
pop edi
pop esi
pop ebp
ret 12
public _D_PolysetAff8Start
_D_PolysetAff8Start:
public _D_PolysetDrawSpans8
_D_PolysetDrawSpans8:
push esi
push ebx
mov esi,ds:dword ptr[4+8+esp]
mov ecx,ds:dword ptr[_r_zistepx]
push ebp
push edi
ror ecx,16
mov edx,ds:dword ptr[8+esi]
mov ds:dword ptr[lzistepx],ecx
LSpanLoop:
mov eax,ds:dword ptr[_d_aspancount]
sub eax,edx
mov edx,ds:dword ptr[_erroradjustup]
mov ebx,ds:dword ptr[_errorterm]
add ebx,edx
js LNoTurnover
mov edx,ds:dword ptr[_erroradjustdown]
mov edi,ds:dword ptr[_d_countextrastep]
sub ebx,edx
mov ebp,ds:dword ptr[_d_aspancount]
mov ds:dword ptr[_errorterm],ebx
add ebp,edi
mov ds:dword ptr[_d_aspancount],ebp
jmp LRightEdgeStepped
LNoTurnover:
mov edi,ds:dword ptr[_d_aspancount]
mov edx,ds:dword ptr[_ubasestep]
mov ds:dword ptr[_errorterm],ebx
add edi,edx
mov ds:dword ptr[_d_aspancount],edi
LRightEdgeStepped:
cmp eax,1
jl LNextSpan
jz LExactlyOneLong
mov ecx,ds:dword ptr[_a_ststepxwhole]
mov edx,ds:dword ptr[_r_affinetridesc+8]
mov ds:dword ptr[advancetable+4],ecx
add ecx,edx
mov ds:dword ptr[advancetable],ecx
mov ecx,ds:dword ptr[_a_tstepxfrac]
mov cx,ds:word ptr[_r_lstepx]
mov edx,eax
mov ds:dword ptr[tstep],ecx
add edx,7
shr edx,3
mov ebx,ds:dword ptr[16+esi]
mov bx,dx
mov ecx,ds:dword ptr[4+esi]
neg eax
mov edi,ds:dword ptr[0+esi]
and eax,7
sub edi,eax
sub ecx,eax
sub ecx,eax
mov edx,ds:dword ptr[20+esi]
mov dx,ds:word ptr[24+esi]
mov ebp,ds:dword ptr[28+esi]
ror ebp,16
push esi
mov esi,ds:dword ptr[12+esi]
jmp dword ptr[aff8entryvec_table+eax*4]
LDrawLoop:
LDraw8:
cmp bp,ds:word ptr[ecx]
jl Lp1
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch8:
mov ds:byte ptr[edi],al
Lp1:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
LDraw7:
cmp bp,ds:word ptr[2+ecx]
jl Lp2
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[2+ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch7:
mov ds:byte ptr[1+edi],al
Lp2:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
LDraw6:
cmp bp,ds:word ptr[4+ecx]
jl Lp3
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[4+ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch6:
mov ds:byte ptr[2+edi],al
Lp3:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
LDraw5:
cmp bp,ds:word ptr[6+ecx]
jl Lp4
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[6+ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch5:
mov ds:byte ptr[3+edi],al
Lp4:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
LDraw4:
cmp bp,ds:word ptr[8+ecx]
jl Lp5
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[8+ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch4:
mov ds:byte ptr[4+edi],al
Lp5:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
LDraw3:
cmp bp,ds:word ptr[10+ecx]
jl Lp6
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[10+ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch3:
mov ds:byte ptr[5+edi],al
Lp6:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
LDraw2:
cmp bp,ds:word ptr[12+ecx]
jl Lp7
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[12+ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch2:
mov ds:byte ptr[6+edi],al
Lp7:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
LDraw1:
cmp bp,ds:word ptr[14+ecx]
jl Lp8
xor eax,eax
mov ah,dh
mov al,ds:byte ptr[esi]
mov ds:word ptr[14+ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch1:
mov ds:byte ptr[7+edi],al
Lp8:
add edx,ds:dword ptr[tstep]
sbb eax,eax
add ebp,ds:dword ptr[lzistepx]
adc ebp,0
add ebx,ds:dword ptr[_a_sstepxfrac]
adc esi,ds:dword ptr[advancetable+4+eax*4]
add edi,8
add ecx,16
dec bx
jnz LDrawLoop
pop esi
LNextSpan:
add esi,32
LNextSpanESISet:
mov edx,ds:dword ptr[8+esi]
cmp edx,offset -999999
jnz LSpanLoop
pop edi
pop ebp
pop ebx
pop esi
ret
LExactlyOneLong:
mov ecx,ds:dword ptr[4+esi]
mov ebp,ds:dword ptr[28+esi]
ror ebp,16
mov ebx,ds:dword ptr[12+esi]
cmp bp,ds:word ptr[ecx]
jl LNextSpan
xor eax,eax
mov edi,ds:dword ptr[0+esi]
mov ah,ds:byte ptr[24+1+esi]
add esi,32
mov al,ds:byte ptr[ebx]
mov ds:word ptr[ecx],bp
mov al,ds:byte ptr[12345678h+eax]
LPatch9:
mov ds:byte ptr[edi],al
jmp LNextSpanESISet
public _D_PolysetAff8End
_D_PolysetAff8End:
public _D_Aff8Patch
_D_Aff8Patch:
mov eax,ds:dword ptr[4+esp]
mov ds:dword ptr[LPatch1-4],eax
mov ds:dword ptr[LPatch2-4],eax
mov ds:dword ptr[LPatch3-4],eax
mov ds:dword ptr[LPatch4-4],eax
mov ds:dword ptr[LPatch5-4],eax
mov ds:dword ptr[LPatch6-4],eax
mov ds:dword ptr[LPatch7-4],eax
mov ds:dword ptr[LPatch8-4],eax
mov ds:dword ptr[LPatch9-4],eax
ret
public _D_PolysetDraw
_D_PolysetDraw:
sub esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32)
mov eax,esp
add eax,32 - 1
and eax,offset not (32 - 1)
mov ds:dword ptr[_a_spans],eax
mov eax,ds:dword ptr[_r_affinetridesc+28]
test eax,eax
jz _D_DrawNonSubdiv
push ebp
mov ebp,ds:dword ptr[_r_affinetridesc+24]
push esi
shl ebp,4
push ebx
mov ebx,ds:dword ptr[_r_affinetridesc+16]
push edi
mov edi,ds:dword ptr[_r_affinetridesc+20]
Llooptop:
mov ecx,ds:dword ptr[4-16+0+ebx+ebp]
mov esi,ds:dword ptr[4-16+4+ebx+ebp]
shl ecx,5
mov edx,ds:dword ptr[4-16+8+ebx+ebp]
shl esi,5
add ecx,edi
shl edx,5
add esi,edi
add edx,edi
fild ds:dword ptr[0+4+ecx]
fild ds:dword ptr[0+4+esi]
fild ds:dword ptr[0+0+ecx]
fild ds:dword ptr[0+0+edx]
fxch st(2)
fsubr st(0),st(3)
fild ds:dword ptr[0+0+esi]
fxch st(2)
fsubr st(3),st(0)
fild ds:dword ptr[0+4+edx]
fxch st(1)
fsubrp st(3),st(0)
fxch st(1)
fmulp st(3),st(0)
fsubp st(3),st(0)
mov eax,ds:dword ptr[0+16+ecx]
and eax,0FF00h
fmulp st(2),st(0)
add eax,ds:dword ptr[_acolormap]
fsubrp st(1),st(0)
mov ds:dword ptr[_d_pcolormap],eax
fstp ds:dword ptr[Ltemp]
mov eax,ds:dword ptr[Ltemp]
sub eax,080000001h
jc Lskip
mov eax,ds:dword ptr[0-16+ebx+ebp]
test eax,eax
jz Lfacesback
push edx
push esi
push ecx
call near ptr _D_PolysetRecursiveTriangle
sub ebp,16
jnz Llooptop
jmp Ldone2
Lfacesback:
mov eax,ds:dword ptr[0+8+ecx]
push eax
mov eax,ds:dword ptr[0+8+esi]
push eax
mov eax,ds:dword ptr[0+8+edx]
push eax
push ecx
push edx
mov eax,ds:dword ptr[_r_affinetridesc+32]
test ds:dword ptr[24+ecx],00020h
jz Lp11
add ds:dword ptr[0+8+ecx],eax
Lp11:
test ds:dword ptr[24+esi],00020h
jz Lp12
add ds:dword ptr[0+8+esi],eax
Lp12:
test ds:dword ptr[24+edx],00020h
jz Lp13
add ds:dword ptr[0+8+edx],eax
Lp13:
push edx
push esi
push ecx
call near ptr _D_PolysetRecursiveTriangle
pop edx
pop ecx
pop eax
mov ds:dword ptr[0+8+edx],eax
pop eax
mov ds:dword ptr[0+8+esi],eax
pop eax
mov ds:dword ptr[0+8+ecx],eax
Lskip:
sub ebp,16
jnz Llooptop
Ldone2:
pop edi
pop ebx
pop esi
pop ebp
add esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32)
ret
public _D_PolysetScanLeftEdge
_D_PolysetScanLeftEdge:
push ebp
push esi
push edi
push ebx
mov eax,ds:dword ptr[4+16+esp]
mov ecx,ds:dword ptr[_d_sfrac]
and eax,0FFFFh
mov ebx,ds:dword ptr[_d_ptex]
or ecx,eax
mov esi,ds:dword ptr[_d_pedgespanpackage]
mov edx,ds:dword ptr[_d_tfrac]
mov edi,ds:dword ptr[_d_light]
mov ebp,ds:dword ptr[_d_zi]
LScanLoop:
mov ds:dword ptr[12+esi],ebx
mov eax,ds:dword ptr[_d_pdest]
mov ds:dword ptr[0+esi],eax
mov eax,ds:dword ptr[_d_pz]
mov ds:dword ptr[4+esi],eax
mov eax,ds:dword ptr[_d_aspancount]
mov ds:dword ptr[8+esi],eax
mov ds:dword ptr[24+esi],edi
mov ds:dword ptr[28+esi],ebp
mov ds:dword ptr[16+esi],ecx
mov ds:dword ptr[20+esi],edx
mov al,ds:byte ptr[32+esi]
add esi,32
mov eax,ds:dword ptr[_erroradjustup]
mov ds:dword ptr[_d_pedgespanpackage],esi
mov esi,ds:dword ptr[_errorterm]
add esi,eax
mov eax,ds:dword ptr[_d_pdest]
js LNoLeftEdgeTurnover
sub esi,ds:dword ptr[_erroradjustdown]
add eax,ds:dword ptr[_d_pdestextrastep]
mov ds:dword ptr[_errorterm],esi
mov ds:dword ptr[_d_pdest],eax
mov eax,ds:dword ptr[_d_pz]
mov esi,ds:dword ptr[_d_aspancount]
add eax,ds:dword ptr[_d_pzextrastep]
add ecx,ds:dword ptr[_d_sfracextrastep]
adc ebx,ds:dword ptr[_d_ptexextrastep]
add esi,ds:dword ptr[_d_countextrastep]
mov ds:dword ptr[_d_pz],eax
mov eax,ds:dword ptr[_d_tfracextrastep]
mov ds:dword ptr[_d_aspancount],esi
add edx,eax
jnc LSkip1
add ebx,ds:dword ptr[_r_affinetridesc+8]
LSkip1:
add edi,ds:dword ptr[_d_lightextrastep]
add ebp,ds:dword ptr[_d_ziextrastep]
mov esi,ds:dword ptr[_d_pedgespanpackage]
dec ecx
test ecx,0FFFFh
jnz LScanLoop
pop ebx
pop edi
pop esi
pop ebp
ret
LNoLeftEdgeTurnover:
mov ds:dword ptr[_errorterm],esi
add eax,ds:dword ptr[_d_pdestbasestep]
mov ds:dword ptr[_d_pdest],eax
mov eax,ds:dword ptr[_d_pz]
mov esi,ds:dword ptr[_d_aspancount]
add eax,ds:dword ptr[_d_pzbasestep]
add ecx,ds:dword ptr[_d_sfracbasestep]
adc ebx,ds:dword ptr[_d_ptexbasestep]
add esi,ds:dword ptr[_ubasestep]
mov ds:dword ptr[_d_pz],eax
mov ds:dword ptr[_d_aspancount],esi
mov esi,ds:dword ptr[_d_tfracbasestep]
add edx,esi
jnc LSkip2
add ebx,ds:dword ptr[_r_affinetridesc+8]
LSkip2:
add edi,ds:dword ptr[_d_lightbasestep]
add ebp,ds:dword ptr[_d_zibasestep]
mov esi,ds:dword ptr[_d_pedgespanpackage]
dec ecx
test ecx,0FFFFh
jnz LScanLoop
pop ebx
pop edi
pop esi
pop ebp
ret
public _D_PolysetDrawFinalVerts
_D_PolysetDrawFinalVerts:
push ebp
push ebx
mov ecx,ds:dword ptr[8+8+esp]
mov ebx,ds:dword ptr[4+8+esp]
push esi
push edi
LFVLoop:
mov eax,ds:dword ptr[0+0+ebx]
mov edx,ds:dword ptr[_r_refdef+40]
cmp eax,edx
jge LNextVert
mov esi,ds:dword ptr[0+4+ebx]
mov edx,ds:dword ptr[_r_refdef+44]
cmp esi,edx
jge LNextVert
mov edi,ds:dword ptr[_zspantable+esi*4]
mov edx,ds:dword ptr[0+20+ebx]
shr edx,16
cmp dx,ds:word ptr[edi+eax*2]
jl LNextVert
mov ds:word ptr[edi+eax*2],dx
mov edi,ds:dword ptr[0+12+ebx]
shr edi,16
mov edi,ds:dword ptr[_skintable+edi*4]
mov edx,ds:dword ptr[0+8+ebx]
shr edx,16
mov dl,ds:byte ptr[edi+edx]
mov edi,ds:dword ptr[0+16+ebx]
and edi,0FF00h
and edx,000FFh
add edi,edx
mov edx,ds:dword ptr[_acolormap]
mov dl,ds:byte ptr[edx+edi*1]
mov edi,ds:dword ptr[_d_scantable+esi*4]
mov esi,ds:dword ptr[_d_viewbuffer]
add edi,eax
mov ds:byte ptr[esi+edi],dl
LNextVert:
add ebx,32
dec ecx
jnz LFVLoop
pop edi
pop esi
pop ebx
pop ebp
ret
public _D_DrawNonSubdiv
_D_DrawNonSubdiv:
push ebp
mov ebp,ds:dword ptr[_r_affinetridesc+24]
push ebx
shl ebp,4
push esi
mov esi,ds:dword ptr[_r_affinetridesc+16]
push edi
LNDLoop:
mov edi,ds:dword ptr[_r_affinetridesc+20]
mov ecx,ds:dword ptr[4+0-16+esi+ebp*1]
shl ecx,5
mov edx,ds:dword ptr[4+4-16+esi+ebp*1]
shl edx,5
mov ebx,ds:dword ptr[4+8-16+esi+ebp*1]
shl ebx,5
add ecx,edi
add edx,edi
add ebx,edi
mov eax,ds:dword ptr[0+4+ecx]
mov esi,ds:dword ptr[0+0+ecx]
sub eax,ds:dword ptr[0+4+edx]
sub esi,ds:dword ptr[0+0+ebx]
imul eax,esi
mov esi,ds:dword ptr[0+0+ecx]
mov edi,ds:dword ptr[0+4+ecx]
sub esi,ds:dword ptr[0+0+edx]
sub edi,ds:dword ptr[0+4+ebx]
imul edi,esi
sub eax,edi
jns LNextTri
mov ds:dword ptr[_d_xdenom],eax
fild ds:dword ptr[_d_xdenom]
mov eax,ds:dword ptr[0+0+ecx]
mov esi,ds:dword ptr[0+4+ecx]
mov ds:dword ptr[_r_p0+0],eax
mov ds:dword ptr[_r_p0+4],esi
mov eax,ds:dword ptr[0+8+ecx]
mov esi,ds:dword ptr[0+12+ecx]
mov ds:dword ptr[_r_p0+8],eax
mov ds:dword ptr[_r_p0+12],esi
mov eax,ds:dword ptr[0+16+ecx]
mov esi,ds:dword ptr[0+20+ecx]
mov ds:dword ptr[_r_p0+16],eax
mov ds:dword ptr[_r_p0+20],esi
fdivr ds:dword ptr[float_1]
mov eax,ds:dword ptr[0+0+edx]
mov esi,ds:dword ptr[0+4+edx]
mov ds:dword ptr[_r_p1+0],eax
mov ds:dword ptr[_r_p1+4],esi
mov eax,ds:dword ptr[0+8+edx]
mov esi,ds:dword ptr[0+12+edx]
mov ds:dword ptr[_r_p1+8],eax
mov ds:dword ptr[_r_p1+12],esi
mov eax,ds:dword ptr[0+16+edx]
mov esi,ds:dword ptr[0+20+edx]
mov ds:dword ptr[_r_p1+16],eax
mov ds:dword ptr[_r_p1+20],esi
mov eax,ds:dword ptr[0+0+ebx]
mov esi,ds:dword ptr[0+4+ebx]
mov ds:dword ptr[_r_p2+0],eax
mov ds:dword ptr[_r_p2+4],esi
mov eax,ds:dword ptr[0+8+ebx]
mov esi,ds:dword ptr[0+12+ebx]
mov ds:dword ptr[_r_p2+8],eax
mov ds:dword ptr[_r_p2+12],esi
mov eax,ds:dword ptr[0+16+ebx]
mov esi,ds:dword ptr[0+20+ebx]
mov ds:dword ptr[_r_p2+16],eax
mov edi,ds:dword ptr[_r_affinetridesc+16]
mov ds:dword ptr[_r_p2+20],esi
mov eax,ds:dword ptr[0-16+edi+ebp*1]
test eax,eax
jnz LFacesFront
mov eax,ds:dword ptr[24+ecx]
mov esi,ds:dword ptr[24+edx]
mov edi,ds:dword ptr[24+ebx]
test eax,00020h
mov eax,ds:dword ptr[_r_affinetridesc+32]
jz LOnseamDone0
add ds:dword ptr[_r_p0+8],eax
LOnseamDone0:
test esi,00020h
jz LOnseamDone1
add ds:dword ptr[_r_p1+8],eax
LOnseamDone1:
test edi,00020h
jz LOnseamDone2
add ds:dword ptr[_r_p2+8],eax
LOnseamDone2:
LFacesFront:
fstp ds:dword ptr[_d_xdenom]
call near ptr _D_PolysetSetEdgeTable
call near ptr _D_RasterizeAliasPolySmooth
LNextTri:
mov esi,ds:dword ptr[_r_affinetridesc+16]
sub ebp,16
jnz LNDLoop
pop edi
pop esi
pop ebx
pop ebp
add esp,offset (((1024+1 + 1 + ((32 - 1) / 32)) + 1) * 32)
ret
_TEXT ENDS
END