quake/QW/client/r_aclipa.asm
1999-12-21 00:00:00 +00:00

345 lines
9.2 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
Ltemp0 dd 0
Ltemp1 dd 0
_DATA ENDS
_TEXT SEGMENT
public _R_Alias_clip_bottom
_R_Alias_clip_bottom:
push esi
push edi
mov esi,ds:dword ptr[8+4+esp]
mov edi,ds:dword ptr[8+8+esp]
mov eax,ds:dword ptr[_r_refdef+52]
LDoForwardOrBackward:
mov edx,ds:dword ptr[0+4+esi]
mov ecx,ds:dword ptr[0+4+edi]
cmp edx,ecx
jl LDoForward
mov ecx,ds:dword ptr[0+4+esi]
mov edx,ds:dword ptr[0+4+edi]
mov edi,ds:dword ptr[8+4+esp]
mov esi,ds:dword ptr[8+8+esp]
LDoForward:
sub ecx,edx
sub eax,edx
mov ds:dword ptr[Ltemp1],ecx
mov ds:dword ptr[Ltemp0],eax
fild ds:dword ptr[Ltemp1]
fild ds:dword ptr[Ltemp0]
mov edx,ds:dword ptr[8+12+esp]
mov eax,2
fdivrp st(1),st(0)
LDo3Forward:
fild ds:dword ptr[0+0+esi]
fild ds:dword ptr[0+0+edi]
fild ds:dword ptr[0+4+esi]
fild ds:dword ptr[0+4+edi]
fild ds:dword ptr[0+8+esi]
fild ds:dword ptr[0+8+edi]
fxch st(5)
fsub st(4),st(0)
fxch st(3)
fsub st(2),st(0)
fxch st(1)
fsub st(5),st(0)
fxch st(6)
fmul st(4),st(0)
add edi,12
fmul st(2),st(0)
add esi,12
add edx,12
fmul st(5),st(0)
fxch st(3)
faddp st(4),st(0)
faddp st(1),st(0)
fxch st(4)
faddp st(3),st(0)
fxch st(1)
fadd ds:dword ptr[float_point5]
fxch st(3)
fadd ds:dword ptr[float_point5]
fxch st(2)
fadd ds:dword ptr[float_point5]
fxch st(3)
fistp ds:dword ptr[0+0-12+edx]
fxch st(1)
fistp ds:dword ptr[0+4-12+edx]
fxch st(1)
fistp ds:dword ptr[0+8-12+edx]
dec eax
jnz LDo3Forward
fstp st(0)
pop edi
pop esi
ret
public _R_Alias_clip_top
_R_Alias_clip_top:
push esi
push edi
mov esi,ds:dword ptr[8+4+esp]
mov edi,ds:dword ptr[8+8+esp]
mov eax,ds:dword ptr[_r_refdef+20+4]
jmp LDoForwardOrBackward
public _R_Alias_clip_right
_R_Alias_clip_right:
push esi
push edi
mov esi,ds:dword ptr[8+4+esp]
mov edi,ds:dword ptr[8+8+esp]
mov eax,ds:dword ptr[_r_refdef+48]
LRightLeftEntry:
mov edx,ds:dword ptr[0+4+esi]
mov ecx,ds:dword ptr[0+4+edi]
cmp edx,ecx
mov edx,ds:dword ptr[0+0+esi]
mov ecx,ds:dword ptr[0+0+edi]
jl LDoForward2
mov ecx,ds:dword ptr[0+0+esi]
mov edx,ds:dword ptr[0+0+edi]
mov edi,ds:dword ptr[8+4+esp]
mov esi,ds:dword ptr[8+8+esp]
LDoForward2:
jmp LDoForward
public _R_Alias_clip_left
_R_Alias_clip_left:
push esi
push edi
mov esi,ds:dword ptr[8+4+esp]
mov edi,ds:dword ptr[8+8+esp]
mov eax,ds:dword ptr[_r_refdef+20+0]
jmp LRightLeftEntry
_TEXT ENDS
END