x86span555.c File Reference

#include "windows.h"
#include "softdrv.h"
#include "basetype.h"
#include "drawspan.h"
#include "render.h"

Go to the source code of this file.

Compounds
struct	EdgeAsmFPUTag
Typedefs
typedef EdgeAsmFPUTag	EdgeAsmFPU
Functions
void	DrawScanLineGouraudNoZ_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudNoZTrans_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudZBuffer_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudZBufferNoZWrite_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudNoZBufferZWrite_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudZBufferTrans_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudZBufferNoZWriteTrans_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudNoZBufferZWriteTrans_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudNoZSolid_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudNoZBufferZWriteSolid_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudZBufferSolid_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawScanLineGouraudZBufferNoZWriteSolid_Asm555X86FPU (EdgeAsmFPU *pLeft, EdgeAsmFPU *pRight)
void	DrawSpan16_AsmLitZBuffer555X86FPU (int32 x1, int32 x2, int32 y)
void	DrawSpan16_AsmLitZWrite555X86FPU (int32 x1, int32 x2, int32 y)
void	DrawSpan16_AsmGouraudZBuffer555X86FPU (int32 x1, int32 x2, int32 y, int32 r1, int32 g1, int32 b1, int32 r2, int32 g2, int32 b2)
void	DrawSpan16_AsmGouraudZWrite555X86FPU (int32 x1, int32 x2, int32 y, int32 r1, int32 g1, int32 b1, int32 r2, int32 g2, int32 b2)
void	DrawSpan16_AsmLit555X86FPU (int32 x1, int32 x2, int32 y)
void	DrawSpan16_AsmGouraudZBufferTrans555X86FPU (int32 x1, int32 x2, int32 y, int32 r1, int32 g1, int32 b1, int32 r2, int32 g2, int32 b2)

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Typedef Documentation

typedef struct EdgeAsmFPUTag EdgeAsmFPU

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Function Documentation

void DrawScanLineGouraudNoZ_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 47 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, R, r, Real65536, Red, REDMASK2, TDest, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax test esi,1 //dword align left side jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fld dword ptr [ebx]EdgeAsmFPU.r ; RL VL16 UL16 fld dword ptr [ebx]EdgeAsmFPU.g ; GL RL VL16 UL16 fld dword ptr [ebx]EdgeAsmFPU.b ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] and ebx,BLUEMASK2 or edx,eax add TDest,2 or edx,ebx mov ebx,pLeft mov word ptr[ecx],dx mov edx,[widTemp] mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(7) ; DW2 BD RI LG LB VSTP RL GI fmulp st(1),st ; BI RI LG LB VSTP RL GI frndint fxch st(4) ; VSTP RI LG LB BI RL GI fistp [VStep] ; RI LG LB BI RL GI push ebp PixieLoop: mov ecx,[VShift] mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] mov esi,edi mov eax,edx shr edi,cl add esi,[VStep] shr edx,16 add eax,[UStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI or edi,ebx fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI rol edi,16 add TDest,4 mov [ebp],edi dec [widTemp] jnz PixieLoop pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudNoZBufferZWrite_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 1381 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, pZBufferPtr, R, r, Real65536, Red, REDMASK2, TDest, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.R ; RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.G ; GL RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.B ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL fld dword ptr[ebx]EdgeAsmFPU.z ; z RL GL BL fistp [z16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] mov esi,[z16] and ebx,BLUEMASK2 shr esi,16 or edx,eax mov eax,pZBufferPtr add TDest,2 or edx,ebx mov word ptr[eax],si mov word ptr[ecx],dx mov ebx,pLeft mov edx,[widTemp] add pZBufferPtr,2 mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(1) ; BD GI RI LG LB VSTP RL DW2 fmul st,st(7) ; BD GI RI LG LB VSTP RL DW2 frndint fxch st(5) ; VSTP GI RI LG LB BD RL DW2 fistp [VStep] ; GI RI LG LB BD RL DW2 fld [ecx]EdgeAsmFPU.z ; rz GI RI LG LB BD RL DW2 fsub [ebx]EdgeAsmFPU.z ; zd GI RI LG LB BD RL DW2 fxch st(7) ; DW2 GI RI LG LB BD RL zd fmulp st(7),st ; GI RI LG LB BD RL zd fld [ebx]EdgeAsmFPU.z ; lz GI RI LG LB BD RL zd fxch st(7) ; zd GI RI LG LB BD RL lz fistp [ZStep] ; GI RI LG LB BD RL lz fxch st(6) ; lz RI LG LB BD RL GI fistp [z16] ; RI LG LB BD RL GI push ebp PixieLoop: mov ebx,[ZStep] add [z16],ebx mov ecx,[VShift] mov edi,[z16] shr edi,16 mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edx,dword ptr[u16] mov word ptr[Z32],di mov eax,edx shr edx,16 mov edi,[v16] add eax,[UStep] mov esi,edi shr edi,cl add esi,[VStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI mov si,word ptr[Z32] add TDest,4 mov ecx,pZBufferPtr or edi,ebx mov [ecx],si rol edi,16 mov dword ptr[ebp],edi mov [ecx+2],si add pZBufferPtr,4 dec [widTemp] jnz PixieLoop pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudNoZBufferZWriteSolid_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 2970 of file x86span555.c. References BlueMask, BLUEMASK2, Bucket, Bucket2, Dest, Green, GreenMask2, GREENMASK2, Magic, MiniRedMask2, or, pZBufferPtr, r, Red, REDMASK2, RedMask2, TDest, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderGouraudPoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left side jz NoSinglePixie //odd sized spans write one pixel to dword align fild dword ptr [ebx]EdgeAsmFPU.B ; BL fmul dword ptr[BlueMask] fadd qword ptr[Magic] ; Bk fild dword ptr [ebx]EdgeAsmFPU.G ; GL Bk fmul dword ptr[GreenMask2] fadd qword ptr[Magic] ; Gk Bk fild dword ptr [ebx]EdgeAsmFPU.R ; RL Gk Bk fmul dword ptr[MiniRedMask2] fadd qword ptr[Magic] ; Rk Gk Bk fxch st(2) ; Bk Gk Rk fstp qword ptr[Bucket] ; Gk Rk fstp qword ptr[Bucket2] ; Rk fld dword ptr[ebx]EdgeAsmFPU.z ; z fistp [z16] ; mov esi,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and esi,BLUEMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] and ebx,REDMASK2 or esi,eax mov edi,[z16] mov eax,pZBufferPtr add TDest,2 or esi,ebx shr edi,16 mov ebx,pLeft mov word ptr[eax],di mov word ptr[ecx],si mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx add pZBufferPtr,2 and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: shr edx,1 fld1 mov [widTemp],edx ; just for a temp ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fidiv dword ptr [widTemp] ; WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL RR WID fsub st(1),st ; RL RD WID fild [ecx]EdgeAsmFPU.G ; GR RL RD WID fild [ebx]EdgeAsmFPU.G ; GL GR RL RD WID fsub st(1),st ; GL GD RL RD WID fild [ecx]EdgeAsmFPU.B ; BR GL GD RL RD WID fild [ebx]EdgeAsmFPU.B ; BL BR GL GD RL RD WID fsub st(1),st ; BL BD GL GD RL RD WID fxch st(5) ; RD BD GL GD RL BL WID fmul st,st(6) ; RI BD GL GD RL BL WID frndint fxch st(3) ; GD BD GL RI RL BL WID fmul st,st(6) ; GI BD GL RI RL BL WID frndint fxch st(6) ; WID BD GL RI RL BL GI fmulp st(1),st ; BI GL RI RL BL GI frndint fld qword ptr[RedMask2] ; rm BI GL RI RL BL GI fmul st(3),st ; rm BI GL RI RL BL GI fmulp st(4),st ; BI GL RI RL BL GI fld dword ptr[GreenMask2] ; gm BI GL RI RL BL GI fmul st(2),st ; gm BI GL RI RL BL GI fmulp st(6),st ; BI GL RI RL BL GI fld dword ptr[BlueMask] ; bm BI GL RI RL BL GI fmul st(1),st ; bm BI GL RI RL BL GI fmulp st(5),st ; BI GL RI RL BL GI fld [ecx]EdgeAsmFPU.z ; rz BI GL RI RL BL GI fsub [ebx]EdgeAsmFPU.z ; zd BI GL RI RL BL GI fld [ebx]EdgeAsmFPU.z ; lz zd BI GL RI RL BL GI fistp [z16] ; zd BI GL RI RL BL GI fistp [ZStep] ; BI GL RI RL BL GI PixieLoop: fld st(3) ; r BI GL RI RL BL GI fadd qword ptr[Magic] ; rk BI GL RI RL BL GI fld st(2) ; g rk BI GL RI RL BL GI fadd qword ptr[Magic] ; gk rk BI GL RI RL BL GI fxch st(1) ; rk gk BI GL RI RL BL GI fstp qword ptr[Bucket] ; gk BI GL RI RL BL GI mov edi,[z16] mov esi,pZBufferPtr shr edi,16 mov ebx,[ZStep] mov word ptr[esi],di add [z16],ebx fstp qword ptr[Bucket2] ; BI GL RI RL BL GI fld st(4) ; b BI GL RI RL BL GI fadd qword ptr[Magic] ; bk BI GL RI RL BL GI mov word ptr[esi+2],di mov ecx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fstp qword ptr[Bucket] ; BI GL RI RL BL GI fadd st(4),st ; BI GL RI RL BL2 GI and ecx,REDMASK2 and eax,GREENMASK2 mov ebx,dword ptr[Bucket] or ecx,eax fstp qword ptr[Bucket] ; GL RI RL BL2 GI fadd st,st(4) ; GL2 RI RL BL2 GI fstp qword ptr[Bucket2] ; RI RL BL2 GI fadd st(1),st ; RI RL2 BL2 GI fld qword ptr[Bucket2] ; GL2 RI RL2 BL2 GI fld qword ptr[Bucket] ; BI GL2 RI RL2 BL2 GI and ebx,BLUEMASK2 mov edi,TDest or ecx,ebx add TDest,4 rol ecx,16 mov [edi],ecx add pZBufferPtr,4 dec edx jnz PixieLoop fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudNoZBufferZWriteTrans_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 2448 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, pZBufferPtr, R, r, Real65536, Red, REDMASK2, TDest, TempPix, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.R ; RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.G ; GL RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.B ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL fld dword ptr[ebx]EdgeAsmFPU.z ; z RL GL BL fistp [z16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov word ptr[TempPix],ax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] mov esi,[z16] and ebx,BLUEMASK2 shr esi,16 or edx,eax mov eax,pZBufferPtr add TDest,2 cmp word ptr[TempPix],01h je SkipSinglePixie or edx,ebx mov word ptr[eax],si mov word ptr[ecx],dx SkipSinglePixie: mov ebx,pLeft mov edx,[widTemp] add pZBufferPtr,2 mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(1) ; BD GI RI LG LB VSTP RL DW2 fmul st,st(7) ; BD GI RI LG LB VSTP RL DW2 frndint fxch st(5) ; VSTP GI RI LG LB BD RL DW2 fistp [VStep] ; GI RI LG LB BD RL DW2 fld [ecx]EdgeAsmFPU.z ; rz GI RI LG LB BD RL DW2 fsub [ebx]EdgeAsmFPU.z ; zd GI RI LG LB BD RL DW2 fxch st(7) ; DW2 GI RI LG LB BD RL zd fmulp st(7),st ; GI RI LG LB BD RL zd fld [ebx]EdgeAsmFPU.z ; lz GI RI LG LB BD RL zd fxch st(7) ; zd GI RI LG LB BD RL lz fistp [ZStep] ; GI RI LG LB BD RL lz fxch st(6) ; lz RI LG LB BD RL GI fistp [z16] ; RI LG LB BD RL GI push ebp PixieLoop: mov ebx,[ZStep] add [z16],ebx mov ecx,[VShift] mov edi,[z16] shr edi,16 mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edx,dword ptr[u16] mov word ptr[Z32],di mov eax,edx shr edx,16 mov edi,[v16] add eax,[UStep] mov esi,edi shr edi,cl add esi,[VStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov [TempPix],eax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI mov si,word ptr[Z32] add TDest,4 mov ecx,pZBufferPtr or edi,ebx cmp [TempPix],010001h je SkipPixie mov [ecx],si rol edi,16 mov dword ptr[ebp],edi mov [ecx+2],si SkipPixie: add pZBufferPtr,4 dec [widTemp] jnz PixieLoop pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudNoZSolid_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 2804 of file x86span555.c. References BlueMask, BLUEMASK2, Bucket, Bucket2, Dest, Green, GreenMask2, GREENMASK2, Magic, MiniRedMask2, or, r, Red, REDMASK2, RedMask2, TDest, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderGouraudPoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax test esi,1 //dword align left side jz NoSinglePixie //odd sized spans write one pixel to dword align fild dword ptr [ebx]EdgeAsmFPU.B ; BL fmul dword ptr[BlueMask] fadd qword ptr[Magic] ; Bk fild dword ptr [ebx]EdgeAsmFPU.G ; GL Bk fmul dword ptr[GreenMask2] fadd qword ptr[Magic] ; Gk Bk fild dword ptr [ebx]EdgeAsmFPU.R ; RL Gk Bk fmul dword ptr[MiniRedMask2] fadd qword ptr[Magic] ; Rk Gk Bk fxch st(2) ; Bk Gk Rk fstp qword ptr[Bucket] ; Gk Rk fstp qword ptr[Bucket2] ; Rk mov esi,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and esi,BLUEMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] and ebx,REDMASK2 or esi,eax add TDest,2 or esi,ebx mov ebx,pLeft mov word ptr[ecx],si mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: shr edx,1 fld1 mov [widTemp],edx ; just for a temp ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fidiv dword ptr [widTemp] ; WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL RR WID fsub st(1),st ; RL RD WID fild [ecx]EdgeAsmFPU.G ; GR RL RD WID fild [ebx]EdgeAsmFPU.G ; GL GR RL RD WID fsub st(1),st ; GL GD RL RD WID fild [ecx]EdgeAsmFPU.B ; BR GL GD RL RD WID fild [ebx]EdgeAsmFPU.B ; BL BR GL GD RL RD WID fsub st(1),st ; BL BD GL GD RL RD WID fxch st(5) ; RD BD GL GD RL BL WID fmul st,st(6) ; RI BD GL GD RL BL WID frndint fxch st(3) ; GD BD GL RI RL BL WID fmul st,st(6) ; GI BD GL RI RL BL WID frndint fxch st(6) ; WID BD GL RI RL BL GI fmulp st(1),st ; BI GL RI RL BL GI frndint fld qword ptr[RedMask2] ; rm BI GL RI RL BL GI fmul st(3),st ; rm BI GL RI RL BL GI fmulp st(4),st ; BI GL RI RL BL GI fld dword ptr[GreenMask2] ; gm BI GL RI RL BL GI fmul st(2),st ; gm BI GL RI RL BL GI fmulp st(6),st ; BI GL RI RL BL GI fld dword ptr[BlueMask] ; bm BI GL RI RL BL GI fmul st(1),st ; bm BI GL RI RL BL GI fmulp st(5),st ; BI GL RI RL BL GI PixieLoop: fld st(3) ; r BI GL RI RL BL GI fadd qword ptr[Magic] ; rk BI GL RI RL BL GI fld st(2) ; g rk BI GL RI RL BL GI fadd qword ptr[Magic] ; gk rk BI GL RI RL BL GI fxch st(1) ; rk gk BI GL RI RL BL GI fstp qword ptr[Bucket] ; gk BI GL RI RL BL GI fstp qword ptr[Bucket2] ; BI GL RI RL BL GI fld st(4) ; b BI GL RI RL BL GI fadd qword ptr[Magic] ; bk BI GL RI RL BL GI mov ecx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fstp qword ptr[Bucket] ; BI GL RI RL BL GI fadd st(4),st ; BI GL RI RL BL2 GI and ecx,REDMASK2 and eax,GREENMASK2 mov ebx,dword ptr[Bucket] or ecx,eax fstp qword ptr[Bucket] ; GL RI RL BL2 GI fadd st,st(4) ; GL2 RI RL BL2 GI fstp qword ptr[Bucket2] ; RI RL BL2 GI fadd st(1),st ; RI RL2 BL2 GI fld qword ptr[Bucket2] ; GL2 RI RL2 BL2 GI fld qword ptr[Bucket] ; BI GL2 RI RL2 BL2 GI and ebx,BLUEMASK2 mov edi,TDest or ecx,ebx add TDest,4 rol ecx,16 mov [edi],ecx dec edx jnz PixieLoop fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudNoZTrans_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 357 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, R, r, Real65536, Red, REDMASK2, TDest, TempPix, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax test esi,1 //dword align left side jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.R ; RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.G ; GL RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.B ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov word ptr[TempPix],ax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] and ebx,BLUEMASK2 or edx,eax add TDest,2 or edx,ebx mov ebx,pLeft cmp word ptr[TempPix],01h je SkipSinglePixie mov word ptr[ecx],dx SkipSinglePixie: mov edx,[widTemp] mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(7) ; DW2 BD RI LG LB VSTP RL GI fmulp st(1),st ; BI RI LG LB VSTP RL GI frndint fxch st(4) ; VSTP RI LG LB BI RL GI fistp [VStep] ; RI LG LB BI RL GI push ebp PixieLoop: mov ecx,[VShift] mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] mov esi,edi mov eax,edx shr edi,cl add esi,[VStep] shr edx,16 add eax,[UStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov [TempPix],eax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI or edi,ebx add TDest,4 cmp [TempPix],010001h je SkipPixie mov [ebp],edi SkipPixie: dec [widTemp] jnz PixieLoop pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudZBuffer_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

(DRV_RENDER_NO_ZMASK | DRV_RENDER_NO_ZWRITE) Definition at line 679 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, pZBufferPtr, R, r, Real65536, Red, REDMASK2, TDest, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.R ; RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.G ; GL RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.B ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL fld dword ptr[ebx]EdgeAsmFPU.z ; z RL GL BL fistp [z16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] mov esi,[z16] and ebx,BLUEMASK2 shr esi,16 or edx,eax mov eax,pZBufferPtr add TDest,2 cmp word ptr[eax],si jg SkipSinglePixie or edx,ebx mov word ptr[eax],si mov word ptr[ecx],dx SkipSinglePixie: mov ebx,pLeft mov edx,[widTemp] add pZBufferPtr,2 mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(1) ; BD GI RI LG LB VSTP RL DW2 fmul st,st(7) ; BD GI RI LG LB VSTP RL DW2 frndint fxch st(5) ; VSTP GI RI LG LB BD RL DW2 fistp [VStep] ; GI RI LG LB BD RL DW2 fld [ecx]EdgeAsmFPU.z ; rz GI RI LG LB BD RL DW2 fsub [ebx]EdgeAsmFPU.z ; zd GI RI LG LB BD RL DW2 fxch st(7) ; DW2 GI RI LG LB BD RL zd fmulp st(7),st ; GI RI LG LB BD RL zd fld [ebx]EdgeAsmFPU.z ; lz GI RI LG LB BD RL zd fxch st(7) ; zd GI RI LG LB BD RL lz fistp [ZStep] ; GI RI LG LB BD RL lz fxch st(6) ; lz RI LG LB BD RL GI fistp [z16] ; RI LG LB BD RL GI push ebp PixieLoop: mov ebx,[ZStep] add [z16],ebx mov ecx,[VShift] mov edi,[z16] shr edi,16 mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edx,dword ptr[u16] mov word ptr[Z32],di mov eax,edx shr edx,16 mov edi,[v16] add eax,[UStep] mov esi,edi shr edi,cl add esi,[VStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI mov si,word ptr[Z32] add TDest,4 mov ecx,pZBufferPtr or edi,ebx cmp word ptr[ecx],si jg SkipPixie rol edi,16 mov [ecx],si mov dword ptr[ebp],edi mov [ecx+2],si SkipPixie: add pZBufferPtr,4 dec [widTemp] jnz PixieLoop // mov dword ptr[ebp],0ffffffffh pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudZBufferNoZWrite_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 1032 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, pZBufferPtr, R, r, Real65536, Red, REDMASK2, TDest, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.R ; RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.G ; GL RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.B ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL fld dword ptr[ebx]EdgeAsmFPU.z ; z RL GL BL fistp [z16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] mov esi,[z16] and ebx,BLUEMASK2 shr esi,16 or edx,eax mov eax,pZBufferPtr add TDest,2 cmp word ptr[eax],si jg SkipSinglePixie or edx,ebx mov word ptr[ecx],dx SkipSinglePixie: mov ebx,pLeft mov edx,[widTemp] add pZBufferPtr,2 mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(1) ; BD GI RI LG LB VSTP RL DW2 fmul st,st(7) ; BD GI RI LG LB VSTP RL DW2 frndint fxch st(5) ; VSTP GI RI LG LB BD RL DW2 fistp [VStep] ; GI RI LG LB BD RL DW2 fld [ecx]EdgeAsmFPU.z ; rz GI RI LG LB BD RL DW2 fsub [ebx]EdgeAsmFPU.z ; zd GI RI LG LB BD RL DW2 fxch st(7) ; DW2 GI RI LG LB BD RL zd fmulp st(7),st ; GI RI LG LB BD RL zd fld [ebx]EdgeAsmFPU.z ; lz GI RI LG LB BD RL zd fxch st(7) ; zd GI RI LG LB BD RL lz fistp [ZStep] ; GI RI LG LB BD RL lz fxch st(6) ; lz RI LG LB BD RL GI fistp [z16] ; RI LG LB BD RL GI push ebp PixieLoop: mov ebx,[ZStep] add [z16],ebx mov ecx,[VShift] mov edi,[z16] shr edi,16 mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edx,dword ptr[u16] mov word ptr[Z32],di mov eax,edx shr edx,16 mov edi,[v16] add eax,[UStep] mov esi,edi shr edi,cl add esi,[VStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI mov si,word ptr[Z32] add TDest,4 mov ecx,pZBufferPtr or edi,ebx cmp word ptr[ecx],si jg SkipPixie rol edi,16 mov dword ptr[ebp],edi SkipPixie: add pZBufferPtr,4 dec [widTemp] jnz PixieLoop pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudZBufferNoZWriteSolid_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 3366 of file x86span555.c. References BlueMask, BLUEMASK2, Bucket, Bucket2, Dest, Green, GreenMask2, GREENMASK2, Magic, MiniRedMask2, or, pZBufferPtr, r, Red, REDMASK2, RedMask2, TDest, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderGouraudPoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left side jz NoSinglePixie //odd sized spans write one pixel to dword align fild dword ptr [ebx]EdgeAsmFPU.B ; BL fmul dword ptr[BlueMask] fadd qword ptr[Magic] ; Bk fild dword ptr [ebx]EdgeAsmFPU.G ; GL Bk fmul dword ptr[GreenMask2] fadd qword ptr[Magic] ; Gk Bk fild dword ptr [ebx]EdgeAsmFPU.R ; RL Gk Bk fmul dword ptr[MiniRedMask2] fadd qword ptr[Magic] ; Rk Gk Bk fxch st(2) ; Bk Gk Rk fstp qword ptr[Bucket] ; Gk Rk fstp qword ptr[Bucket2] ; Rk fld dword ptr[ebx]EdgeAsmFPU.z ; z fistp [z16] ; mov esi,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and esi,BLUEMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] and ebx,REDMASK2 or esi,eax mov edi,[z16] mov eax,pZBufferPtr add TDest,2 or esi,ebx shr edi,16 mov ebx,pLeft cmp word ptr[eax],di jg SkipSinglePixie mov word ptr[ecx],si SkipSinglePixie: mov ecx,pRight add pZBufferPtr,2 dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: shr edx,1 fld1 mov [widTemp],edx ; just for a temp ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fidiv dword ptr [widTemp] ; WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL RR WID fsub st(1),st ; RL RD WID fild [ecx]EdgeAsmFPU.G ; GR RL RD WID fild [ebx]EdgeAsmFPU.G ; GL GR RL RD WID fsub st(1),st ; GL GD RL RD WID fild [ecx]EdgeAsmFPU.B ; BR GL GD RL RD WID fild [ebx]EdgeAsmFPU.B ; BL BR GL GD RL RD WID fsub st(1),st ; BL BD GL GD RL RD WID fxch st(5) ; RD BD GL GD RL BL WID fmul st,st(6) ; RI BD GL GD RL BL WID frndint fxch st(3) ; GD BD GL RI RL BL WID fmul st,st(6) ; GI BD GL RI RL BL WID frndint fxch st(6) ; WID BD GL RI RL BL GI fmulp st(1),st ; BI GL RI RL BL GI frndint fld qword ptr[RedMask2] ; rm BI GL RI RL BL GI fmul st(3),st ; rm BI GL RI RL BL GI fmulp st(4),st ; BI GL RI RL BL GI fld dword ptr[GreenMask2] ; gm BI GL RI RL BL GI fmul st(2),st ; gm BI GL RI RL BL GI fmulp st(6),st ; BI GL RI RL BL GI fld dword ptr[BlueMask] ; bm BI GL RI RL BL GI fmul st(1),st ; bm BI GL RI RL BL GI fmulp st(5),st ; BI GL RI RL BL GI fld [ecx]EdgeAsmFPU.z ; rz BI GL RI RL BL GI fsub [ebx]EdgeAsmFPU.z ; zd BI GL RI RL BL GI fld [ebx]EdgeAsmFPU.z ; lz zd BI GL RI RL BL GI fistp [z16] ; zd BI GL RI RL BL GI fistp [ZStep] ; BI GL RI RL BL GI PixieLoop: fld st(3) ; r BI GL RI RL BL GI fadd qword ptr[Magic] ; rk BI GL RI RL BL GI fld st(2) ; g rk BI GL RI RL BL GI fadd qword ptr[Magic] ; gk rk BI GL RI RL BL GI fxch st(1) ; rk gk BI GL RI RL BL GI fstp qword ptr[Bucket] ; gk BI GL RI RL BL GI fstp qword ptr[Bucket2] ; BI GL RI RL BL GI fld st(4) ; b BI GL RI RL BL GI fadd qword ptr[Magic] ; bk BI GL RI RL BL GI mov ecx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fstp qword ptr[Bucket] ; BI GL RI RL BL GI fadd st(4),st ; BI GL RI RL BL2 GI and ecx,REDMASK2 and eax,GREENMASK2 mov ebx,dword ptr[Bucket] or ecx,eax fstp qword ptr[Bucket] ; GL RI RL BL2 GI fadd st,st(4) ; GL2 RI RL BL2 GI fstp qword ptr[Bucket2] ; RI RL BL2 GI fadd st(1),st ; RI RL2 BL2 GI fld qword ptr[Bucket2] ; GL2 RI RL2 BL2 GI fld qword ptr[Bucket] ; BI GL2 RI RL2 BL2 GI and ebx,BLUEMASK2 mov edi,TDest or ecx,ebx add TDest,4 mov eax,[z16] mov esi,pZBufferPtr shr eax,16 mov ebx,[ZStep] cmp word ptr[esi],ax jg SkipPixie rol ecx,16 add [z16],ebx mov [edi],ecx SkipPixie: add pZBufferPtr,4 dec edx jnz PixieLoop fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudZBufferNoZWriteTrans_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 2089 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, pZBufferPtr, R, r, Real65536, Red, REDMASK2, TDest, TempPix, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.R ; RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.G ; GL RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.B ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL fld dword ptr[ebx]EdgeAsmFPU.z ; z RL GL BL fistp [z16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov word ptr[TempPix],ax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] mov esi,[z16] and ebx,BLUEMASK2 shr esi,16 or edx,eax mov eax,pZBufferPtr add TDest,2 cmp word ptr[TempPix],01h je SkipSinglePixie cmp word ptr[eax],si jg SkipSinglePixie or edx,ebx mov word ptr[ecx],dx SkipSinglePixie: mov ebx,pLeft mov edx,[widTemp] add pZBufferPtr,2 mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(1) ; BD GI RI LG LB VSTP RL DW2 fmul st,st(7) ; BD GI RI LG LB VSTP RL DW2 frndint fxch st(5) ; VSTP GI RI LG LB BD RL DW2 fistp [VStep] ; GI RI LG LB BD RL DW2 fld [ecx]EdgeAsmFPU.z ; rz GI RI LG LB BD RL DW2 fsub [ebx]EdgeAsmFPU.z ; zd GI RI LG LB BD RL DW2 fxch st(7) ; DW2 GI RI LG LB BD RL zd fmulp st(7),st ; GI RI LG LB BD RL zd fld [ebx]EdgeAsmFPU.z ; lz GI RI LG LB BD RL zd fxch st(7) ; zd GI RI LG LB BD RL lz fistp [ZStep] ; GI RI LG LB BD RL lz fxch st(6) ; lz RI LG LB BD RL GI fistp [z16] ; RI LG LB BD RL GI push ebp PixieLoop: mov ebx,[ZStep] add [z16],ebx mov ecx,[VShift] mov edi,[z16] shr edi,16 mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edx,dword ptr[u16] mov word ptr[Z32],di mov eax,edx shr edx,16 mov edi,[v16] add eax,[UStep] mov esi,edi shr edi,cl add esi,[VStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov [TempPix],eax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI mov si,word ptr[Z32] add TDest,4 mov ecx,pZBufferPtr or edi,ebx cmp [TempPix],010001h je SkipPixie rol edi,16 cmp word ptr[ecx],si jg SkipPixie mov dword ptr[ebp],edi SkipPixie: add pZBufferPtr,4 dec [widTemp] jnz PixieLoop pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudZBufferSolid_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 3166 of file x86span555.c. References BlueMask, BLUEMASK2, Bucket, Bucket2, Dest, Green, GreenMask2, GREENMASK2, Magic, MiniRedMask2, or, pZBufferPtr, r, Red, REDMASK2, RedMask2, TDest, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderGouraudPoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left side jz NoSinglePixie //odd sized spans write one pixel to dword align fild dword ptr [ebx]EdgeAsmFPU.B ; BL fmul dword ptr[BlueMask] fadd qword ptr[Magic] ; Bk fild dword ptr [ebx]EdgeAsmFPU.G ; GL Bk fmul dword ptr[GreenMask2] fadd qword ptr[Magic] ; Gk Bk fild dword ptr [ebx]EdgeAsmFPU.R ; RL Gk Bk fmul dword ptr[MiniRedMask2] fadd qword ptr[Magic] ; Rk Gk Bk fxch st(2) ; Bk Gk Rk fstp qword ptr[Bucket] ; Gk Rk fstp qword ptr[Bucket2] ; Rk fld dword ptr[ebx]EdgeAsmFPU.z ; z fistp [z16] ; mov esi,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and esi,BLUEMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] and ebx,REDMASK2 or esi,eax mov edi,[z16] mov eax,pZBufferPtr add TDest,2 or esi,ebx shr edi,16 mov ebx,pLeft cmp word ptr[eax],di jg SkipSinglePixie mov word ptr[eax],di mov word ptr[ecx],si SkipSinglePixie: mov ecx,pRight add pZBufferPtr,2 dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: shr edx,1 fld1 mov [widTemp],edx ; just for a temp ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fidiv dword ptr [widTemp] ; WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL RR WID fsub st(1),st ; RL RD WID fild [ecx]EdgeAsmFPU.G ; GR RL RD WID fild [ebx]EdgeAsmFPU.G ; GL GR RL RD WID fsub st(1),st ; GL GD RL RD WID fild [ecx]EdgeAsmFPU.B ; BR GL GD RL RD WID fild [ebx]EdgeAsmFPU.B ; BL BR GL GD RL RD WID fsub st(1),st ; BL BD GL GD RL RD WID fxch st(5) ; RD BD GL GD RL BL WID fmul st,st(6) ; RI BD GL GD RL BL WID frndint fxch st(3) ; GD BD GL RI RL BL WID fmul st,st(6) ; GI BD GL RI RL BL WID frndint fxch st(6) ; WID BD GL RI RL BL GI fmulp st(1),st ; BI GL RI RL BL GI frndint fld qword ptr[RedMask2] ; rm BI GL RI RL BL GI fmul st(3),st ; rm BI GL RI RL BL GI fmulp st(4),st ; BI GL RI RL BL GI fld dword ptr[GreenMask2] ; gm BI GL RI RL BL GI fmul st(2),st ; gm BI GL RI RL BL GI fmulp st(6),st ; BI GL RI RL BL GI fld dword ptr[BlueMask] ; bm BI GL RI RL BL GI fmul st(1),st ; bm BI GL RI RL BL GI fmulp st(5),st ; BI GL RI RL BL GI fld [ecx]EdgeAsmFPU.z ; rz BI GL RI RL BL GI fsub [ebx]EdgeAsmFPU.z ; zd BI GL RI RL BL GI fld [ebx]EdgeAsmFPU.z ; lz zd BI GL RI RL BL GI fistp [z16] ; zd BI GL RI RL BL GI fistp [ZStep] ; BI GL RI RL BL GI PixieLoop: fld st(3) ; r BI GL RI RL BL GI fadd qword ptr[Magic] ; rk BI GL RI RL BL GI fld st(2) ; g rk BI GL RI RL BL GI fadd qword ptr[Magic] ; gk rk BI GL RI RL BL GI fxch st(1) ; rk gk BI GL RI RL BL GI fstp qword ptr[Bucket] ; gk BI GL RI RL BL GI fstp qword ptr[Bucket2] ; BI GL RI RL BL GI fld st(4) ; b BI GL RI RL BL GI fadd qword ptr[Magic] ; bk BI GL RI RL BL GI mov ecx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fstp qword ptr[Bucket] ; BI GL RI RL BL GI fadd st(4),st ; BI GL RI RL BL2 GI and ecx,REDMASK2 and eax,GREENMASK2 mov ebx,dword ptr[Bucket] or ecx,eax fstp qword ptr[Bucket] ; GL RI RL BL2 GI fadd st,st(4) ; GL2 RI RL BL2 GI fstp qword ptr[Bucket2] ; RI RL BL2 GI fadd st(1),st ; RI RL2 BL2 GI fld qword ptr[Bucket2] ; GL2 RI RL2 BL2 GI fld qword ptr[Bucket] ; BI GL2 RI RL2 BL2 GI and ebx,BLUEMASK2 mov edi,TDest or ecx,ebx add TDest,4 mov eax,[z16] mov esi,pZBufferPtr shr eax,16 mov ebx,[ZStep] cmp word ptr[esi],ax jg SkipPixie mov word ptr[esi],ax rol ecx,16 add [z16],ebx mov word ptr[esi+2],ax mov [edi],ecx SkipPixie: add pZBufferPtr,4 dec edx jnz PixieLoop fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawScanLineGouraudZBufferTrans_Asm555X86FPU (  EdgeAsmFPU *  pLeft, EdgeAsmFPU *  pRight )

Definition at line 1726 of file x86span555.c. References B, Blue, BLUEMASK2, Bucket, Bucket2, Dest, G, GBitPtrHalf, GHMaskShifted, Green, GREENMASK2, GWMask, Magic, or, pZBufferPtr, R, r, Real65536, Red, REDMASK2, TDest, TempPix, Two, VShift, widTemp, and EdgeAsmFPUTag::X. Referenced by RenderMiscTexturePoly(). { TDest =Dest; Red =Green =0; _asm { push ebx push ecx push esi push edi mov ebx,pLeft mov ecx,pRight mov eax,[ebx]EdgeAsmFPU.X mov edx,[ecx]EdgeAsmFPU.X sub edx,eax jle GouraudReturnNoZ mov esi,eax inc edx shl eax,1 add TDest,eax add pZBufferPtr,eax test esi,1 //dword align left jz NoSinglePixie //odd sized spans write one pixel to dword align fld dword ptr [ebx]EdgeAsmFPU.u ; UL fmul [Real65536] ; UL16 fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 fmul [Real65536] ; VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.R ; RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.G ; GL RL VL16 UL16 fild dword ptr [ebx]EdgeAsmFPU.B ; BL GL RL VL16 UL16 fxch st(4) ; UL16 GL RL VL16 BL fistp [u16] ; GL RL VL16 BL fxch st(2) ; VL16 RL GL BL fistp [v16] ; RL GL BL fld dword ptr[ebx]EdgeAsmFPU.z ; z RL GL BL fistp [z16] ; RL GL BL mov [widTemp],edx mov ecx,[VShift] mov ebx,[GHMaskShifted] mov esi,[GWMask] mov edi,[v16] mov edx,dword ptr[u16] shr edi,cl shr edx,16 xor eax,eax and edi,ebx and edx,esi add edi,edx add edi,GBitPtrHalf mov ax,word ptr[edi*2] mov word ptr[TempPix],ax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fimul dword ptr[Red] ; R GL BL fxch st(1) ; GL R BL fimul dword ptr[Green] ; G R BL fxch st(1) ; R G BL fadd qword ptr[Magic] ; Rk G BL fxch st(2) ; BL G Rk fimul [Blue] ; B G Rk fxch st(1) ; G B Rk fadd qword ptr[Magic] ; Gk B Rk fxch st(2) ; Rk B Gk fstp qword ptr[Bucket] ; B Gk fadd qword ptr[Magic] ; Bk Gk fxch st(1) ; Gk Bk fstp qword ptr[Bucket2] ; Bk mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] and edx,REDMASK2 and eax,GREENMASK2 fstp qword ptr[Bucket] mov ecx,TDest mov ebx,dword ptr[Bucket] mov esi,[z16] and ebx,BLUEMASK2 shr esi,16 or edx,eax mov eax,pZBufferPtr add TDest,2 cmp word ptr[TempPix],01h je SkipSinglePixie cmp word ptr[eax],si jg SkipSinglePixie or edx,ebx mov word ptr[eax],si mov word ptr[ecx],dx SkipSinglePixie: mov ebx,pLeft mov edx,[widTemp] add pZBufferPtr,2 mov ecx,pRight dec edx jz GouraudReturnNoZ mov esi,edx and esi,1 sub edx,esi jz GouraudReturnNoZ NoSinglePixie: mov [widTemp],edx ; just for a temp shr edx,1 ; try to keep fmul fxch pairs seperated to avoid stalling ; calc this scanlines steps ; FPU Stack ; st0 st1 st2 st3 st4 st5 st6 st7 fild dword ptr [widTemp] ; WID mov [widTemp],edx ; Color interps doubled fld dword ptr [ecx]EdgeAsmFPU.u ; UR WID fld dword ptr [ebx]EdgeAsmFPU.u ; UL UR WID fsub st(1), st ; UL UD WID fld dword ptr [ecx]EdgeAsmFPU.v ; VR UL UD WID fxch st(1) ; UL VR UD WID fmul [Real65536] ; UL16 VR UD WID fld dword ptr [ebx]EdgeAsmFPU.v ; VL UL16 VR UD WID fsub st(2), st ; VL UL16 VD UD WID fild dword ptr [ecx]EdgeAsmFPU.R ; RR VL UL16 VD UD WID fxch st(3) ; VD VL UL16 RR UD WID fmul [Real65536] ; VD16 VL UL16 RR UD WID fild dword ptr [ebx]EdgeAsmFPU.R ; RL VD16 VL UL16 RR UD WID fsub st(4),st ; RL VD16 VL UL16 RD UD WID fxch st(5) ; UD VD16 VL UL16 RD RL WID fmul [Real65536] ; UD16 VD16 VL UL16 RD RL WID fxch st(2) ; VL VD16 UD16 UL16 RD RL WID fmul [Real65536] ; VL16 VD16 UD16 UL16 RD RL WID fxch st(3) ; UL16 VD16 UD16 VL16 RD RL WID fistp [u16] ; VD16 UD16 VL16 RD RL WID fxch st(2) ; VL16 UD16 VD16 RD RL WID fistp [v16] ; UD16 VD16 RD RL WID fld1 ; 1 UD16 VD16 RD RL WID fdivrp st(5),st ; UD16 VD16 RD RL DWID //let that cook fmul st,st(4) ; USTP VD16 RD RL DWID fild [ecx]EdgeAsmFPU.G ; RG USTP VD16 RD RL DWID fild [ebx]EdgeAsmFPU.G ; LG RG USTP VD16 RD RL DWID fsub st(1),st ; LG GD USTP VD16 RD RL DWID fxch st(2) ; USTP GD LG VD16 RD RL DWID fistp [UStep] ; GD LG VD16 RD RL DWID fild [ecx]EdgeAsmFPU.B ; RB GD LG VD16 RD RL DWID fild [ebx]EdgeAsmFPU.B ; LB RB GD LG VD16 RD RL DWID fsub st(1),st ; LB BD GD LG VD16 RD RL DWID fxch st(4) ; VD16 BD GD LG LB RD RL DWID fmul st,st(7) ; VSTP BD GD LG LB RD RL DWID fxch st(7) ; DWID BD GD LG LB RD RL VSTP fmul dword ptr[Two] ; DW2 BD GD LG LB RD RL VSTP fxch st(7) ; VSTP BD GD LG LB RD RL DW2 fxch st(5) ; RD BD GD LG LB VSTP RL DW2 fmul st,st(7) ; RI BD GD LG LB VSTP RL DW2 frndint fxch st(2) ; GD BD RI LG LB VSTP RL DW2 fmul st,st(7) ; GI BD RI LG LB VSTP RL DW2 frndint fxch st(1) ; BD GI RI LG LB VSTP RL DW2 fmul st,st(7) ; BD GI RI LG LB VSTP RL DW2 frndint fxch st(5) ; VSTP GI RI LG LB BD RL DW2 fistp [VStep] ; GI RI LG LB BD RL DW2 fld [ecx]EdgeAsmFPU.z ; rz GI RI LG LB BD RL DW2 fsub [ebx]EdgeAsmFPU.z ; zd GI RI LG LB BD RL DW2 fxch st(7) ; DW2 GI RI LG LB BD RL zd fmulp st(7),st ; GI RI LG LB BD RL zd fld [ebx]EdgeAsmFPU.z ; lz GI RI LG LB BD RL zd fxch st(7) ; zd GI RI LG LB BD RL lz fistp [ZStep] ; GI RI LG LB BD RL lz fxch st(6) ; lz RI LG LB BD RL GI fistp [z16] ; RI LG LB BD RL GI push ebp PixieLoop: mov ebx,[ZStep] add [z16],ebx mov ecx,[VShift] mov edi,[z16] shr edi,16 mov ebx,[GHMaskShifted] mov ebp,[GWMask] mov edx,dword ptr[u16] mov word ptr[Z32],di mov eax,edx shr edx,16 mov edi,[v16] add eax,[UStep] mov esi,edi shr edi,cl add esi,[VStep] and edi,ebx and edx,ebp add edi,edx mov edx,eax add edi,GBitPtrHalf add eax,[UStep] mov [u16],eax mov ax,word ptr[edi*2] mov edi,esi add esi,[VStep] shr edx,16 mov [v16],esi shr edi,cl and edx,ebp mov esi,GBitPtrHalf and edi,ebx shl eax,16 add esi,edx add esi,edi mov ax,word ptr[esi*2] mov [TempPix],eax mov ebx,eax and eax,REDMASK2 mov ecx,ebx and ebx,GREENMASK2 mov dword ptr[Red],eax and ecx,BLUEMASK2 mov dword ptr[Green],ebx mov dword ptr[Blue],ecx fild qword ptr[Red] ; r RI LG LB BI RL GI fmul st,st(5) ; R RI LG LB BI RL GI fild qword ptr[Green] ; g R RI LG LB BI RL GI fmul st,st(3) ; G R RI LG LB BI RL GI fxch st(6) ; RL R RI LG LB BI G GI fadd st,st(2) ; RL2 R RI LG LB BI G GI fxch st(3) ; LG R RI RL2 LB BI G GI fadd st,st(7) ; LG2 R RI RL2 LB BI G GI fxch st(6) ; G R RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Gk R RI RL2 LB BI LG2 GI fxch st(1) ; R Gk RI RL2 LB BI LG2 GI fadd qword ptr[Magic] ; Rk Gk RI RL2 LB BI LG2 GI fxch st(1) ; Gk Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket] ; Rk RI RL2 LB BI LG2 GI fstp qword ptr[Bucket2] ; RI RL2 LB BI LG2 GI mov edx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fild dword ptr[Blue] ; b RI RL2 LB BI LG2 GI fmul st,st(3) ; B RI RL2 LB BI LG2 GI fxch st(3) ; LB RI RL2 B BI LG2 GI fadd st,st(4) ; LB2 RI RL2 B BI LG2 GI fxch st(3) ; B RI RL2 LB2 BI LG2 GI fadd qword ptr[Magic] ; Bk RI RL2 LB2 BI LG2 GI and edx,GREENMASK2 and eax,REDMASK2 fstp qword ptr[Bucket] ; RI RL2 LB2 BI LG2 GI fstp qword ptr[Bucket2] ; RL2 LB2 BI LG2 GI mov edi,edx mov ebx,dword ptr[Bucket] or edi,eax mov ebp,TDest and ebx,BLUEMASK2 fxch st(3) ; LG2 LB2 BI RL2 GI fld qword ptr[Bucket2] ; RI LG2 LB2 BI RL2 GI mov si,word ptr[Z32] add TDest,4 mov ecx,pZBufferPtr or edi,ebx cmp [TempPix],010001h je SkipPixie rol edi,16 cmp word ptr[ecx],si jg SkipPixie mov [ecx],si mov dword ptr[ebp],edi mov [ecx+2],si SkipPixie: add pZBufferPtr,4 dec [widTemp] jnz PixieLoop // mov dword ptr[ebp],0ffffffffh pop ebp fstp [u16] fstp [v16] fstp [u16] fstp [v16] fstp [u16] fstp [v16] GouraudReturnNoZ: pop edi pop esi pop ecx pop ebx } }

void DrawSpan16_AsmGouraudZBuffer555X86FPU (  int32  x1, int32  x2, int32  y, int32  r1, int32  g1, int32  b1, int32  r2, int32  g2, int32  b2 )

Definition at line 6731 of file x86span555.c. References B, BB1, Blue, BlueDelta, BLUEMASK, Bucket, Bucket2, DeltaU, DeltaV, Dest, FloatTemp, FTemp0, FTemp1, FTemp2, FTemp3, FTemp4, FTemp5, G, GBitPtr16, GG1, GHMaskShifted16, GLMapMulU, GLMapMulV, Green, GreenDelta, GREENMASK2, GWMaskShifted, Magic, MaxU, MaxV, MipMagic, MipMagic2, NumASpans, or, pointer, pTex, pZBufferPtr, r, R, Red, RedDelta, REDMASK2, RemainingCount, RR1, TDest, Two, U1, UAdjust, UAdjust2, UAdjustL, UDivZ16StepX, UDivZOrigin, UDivZStepX, UDivZStepY, UFixed, V1, VAdjust, VAdjust2, VAdjustL, VDivZ16StepX, VDivZOrigin, VDivZStepX, VDivZStepY, VFixed, VShift, widTemp, y, ZBufferPrec, ZDelta, Zi, Zi16StepX, ZiOrigin, ZiStepX, ZiStepY, and ZVal. Referenced by AddSpanDraw(), and RenderWorldPoly(). { RR1 =r1; GG1 =g1; BB1 =b1; TDest =Dest; _asm { push ebx push ecx push esi push edi mov eax,x1 mov ecx,x2 sub ecx,eax jle Return16 mov edi,[GBitPtr16] mov pTex,edi fild [y] ; y mov [widTemp],ecx fild [x1] ; x y fild [widTemp] fld1 fdivrp st(1),st mov esi,x1 mov edi,[TDest] shl esi,1 mov eax,ecx add edi,esi add pZBufferPtr,esi mov eax,ecx shr ecx,4 and eax,15 _emit 75h _emit 06h dec ecx mov eax,16 mov [NumASpans],ecx mov [RemainingCount],eax fild [r2] fisub [r1] fild [g2] fisub [g1] fild [b2] fisub [b1] fxch st(2) fmul st,st(3) fxch st(1) fmul st,st(3) fxch st(2) fmul st,st(3) frndint fstp qword ptr[BlueDelta] frndint fstp qword ptr[RedDelta] frndint fstp qword ptr[GreenDelta] fstp qword ptr[FTemp0] //decoder won't keep up with these huge instructions //need to find some int instructions to cram in here somewhere fld [UDivZStepY] ; UZdY x y fld [UDivZStepX] ; UZdX UZdY x y fmul st,st(2) ; UZX UZdY x y fld [VDivZStepY] ; VZdY UZX UZdY x y fld [VDivZStepX] ; VZdX VZdY UZX UZdY x y fxch st(3) ; UZdy VZdY UZX VZdX x y fmul st,st(5) ; UZY VZdY UZX VZdX x y fxch st(2) ; UZX VZdY UZY VZdX x y fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX x y fxch st(3) ; VZdX VZdY UZY UZXS x y fmul st,st(4) ; VZX VZdY UZY UZXS x y fxch st(2) ; UZY VZdY VZX UZXS x y faddp st(3),st ; VZdY VZX UZ x y fmul st,st(4) ; VZY VZX UZ x y fxch st(1) ; VZX VZY UZ x y fadd [VDivZOrigin] ; VZXS VZY UZ x y fld [ZiStepX] ; ZdX VZXS VZY UZ x y //zbuffer step action fld [ZiStepX] fmul dword ptr[ZBufferPrec] fmul dword ptr[Two] fistp dword ptr[ZDelta] fmulp st(4),st ; VZXS VZY UZ ZX y faddp st(1),st ; VZ UZ ZX y fld [ZiStepY] ; ZdY VZ UZ ZX y fmulp st(4),st ; VZ UZ ZX ZY fxch st(2) ; ZX UZ VZ ZY fadd [ZiOrigin] ; ZXS UZ VZ ZY //room for two cycles of int instructions here faddp st(3),st ; UZ VZ Zi fld1 ; 1 UZ VZ Zi fdiv st,st(3) ; ZL UZ VZ Zi //room for 18 cycles of int instructions here fld st ; ZL ZL UZ VZ Zi fmul st,st(3) ; VL ZL UZ VZ Zi fxch st(4) ; Zi ZL UZ VZ VL //zbuffer action fld st fmul dword ptr[ZBufferPrec] fistp dword ptr[ZVal] fadd [Zi16StepX] ; ZRi ZL UZ VZ VL fxch st(1) ; ZL ZRi UZ VZ VL fmul st,st(2) ; UL ZRi UZ VZ VL fxch st(3) ; VZ ZRi UZ UL VL fadd [VDivZ16StepX] ; VZR ZRi UZ UL VL fxch st(2) ; UZ ZRi VZR UL VL fadd [UDivZ16StepX] ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL //room for 18 cycles of int stuff here fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL //fmul stall one cycle fmul st,st(2) ; UR VR UZR ZRi VZR UL VL test ecx,ecx jz HandleLeftoverPixels16 SpanLoop16: //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL fsubr st(5),st ; VR UZR ZRi VZR UL dV mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax fsubr st(5),st ; UR VR UZR ZRi VZR dU dV fxch st(6) ; dV VR UZR ZRi VZR dU UR fadd qword ptr[MipMagic2] ; dVk VR UZR ZRi VZR dU UR fxch st(5) ; dU VR UZR ZRi VZR dVk UR fadd qword ptr[MipMagic2] ; dUk VR UZR ZRi VZR dVk UR fxch st(5) ; dVk VR UZR ZRi VZR dUk UR fstp qword ptr[DeltaV] ; VR UZR ZRi VZR dUk UR fxch st(5) ; UR UZR ZRi VZR dUk VR //gotta do this to get em lined back up right fxch st(4) ; dUk UZR ZRi VZR UR VR fstp qword ptr[DeltaU] ; UZR ZRi VZR UR VR //right becomes left ; UZL ZLi VZL UL VL fadd [UDivZ16StepX] ; UZR ZLi VZL UL VL fxch st(1) ; ZLi UZR VZL UL VL fadd [Zi16StepX] ; ZRi UZR VZL UL VL fxch st(2) ; VZL UZR ZRi UL VL fadd [VDivZ16StepX] ; VZR UZR ZRi UL VL fxch st(2) ; ZRi UZR VZR UL VL fxch st(1) ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU016 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU016 TryClampU016: cmp ebx,0 jge NoClampU016 mov dword ptr[UFixed],0 NoClampU016: mov eax,[VFixed] cmp eax,MaxV jle TryClampV016 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV016 TryClampV016: cmp eax,0 jge NoClampV016 mov dword ptr[VFixed],0 NoClampV016: fstp [FTemp0] ; UZR ZRi VZR UL VL fstp [FTemp1] ; ZRi VZR UL VL fstp [FTemp2] ; VZR UL VL fstp [FTemp3] ; UL VL fstp [FTemp4] ; VL fstp [FTemp5] ; fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ebx,dword ptr[U1] mov eax,dword ptr[V1] add ebx,dword ptr[UAdjust2] add eax,dword ptr[VAdjust2] mov ecx,[VShift] mov dword ptr[Bucket],ebx shl eax,cl push ebp mov dword ptr[Bucket2],eax mov ebp,dword ptr[DeltaV] and eax,[GHMaskShifted16] and ebx,[GWMaskShifted] shl ebp,cl add eax,ebx mov edx,dword ptr[Bucket2] mov esi,pTex shr eax,16 mov dword ptr[DeltaV],ebp mov ebx,dword ptr[Bucket] mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] rol eax,16 and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx add edx,dword ptr[DeltaV] mov esi,pTex shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+0] jle Skip0 mov [edi+0],ebp mov word ptr[ecx+0],si mov word ptr[ecx+2],si Skip0: mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+4] jle Skip1 mov [edi+4],ebp mov word ptr[ecx+4],si mov word ptr[ecx+6],si Skip1: mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+8] jle Skip2 mov [edi+8],ebp mov word ptr[ecx+8],si mov word ptr[ecx+10],si Skip2: mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+12] jle Skip3 mov [edi+12],ebp mov word ptr[ecx+12],si mov word ptr[ecx+14],si Skip3: mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+16] jle Skip4 mov [edi+16],ebp mov word ptr[ecx+16],si mov word ptr[ecx+18],si Skip4: mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+20] jle Skip5 mov [edi+20],ebp mov word ptr[ecx+20],si mov word ptr[ecx+22],si Skip5: mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+24] jle Skip6 mov [edi+24],ebp mov word ptr[ecx+24],si mov word ptr[ecx+26],si Skip6: mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fadd qword ptr[BlueDelta] fistp dword ptr[BB1] fadd qword ptr[GreenDelta] fistp dword ptr[GG1] fadd qword ptr[RedDelta] fistp dword ptr[RR1] and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax fstp dword ptr[Bucket] fstp dword ptr[Bucket2] fstp dword ptr[Bucket] and esi,GREENMASK2 fld dword ptr[FTemp5] fld dword ptr[FTemp4] or ebp,esi fld dword ptr[FTemp3] fld dword ptr[FTemp2] rol ebp,16 fld dword ptr[FTemp1] fld dword ptr[FTemp0] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+28] jle Skip7 mov [edi+28],ebp mov word ptr[ecx+28],si mov word ptr[ecx+30],si Skip7: pop ebp ; get corrected right side deltas ; st0 st1 st2 st3 st4 st5 st6 st7 ; ZR UZR ZRi VZR UL VL fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL fmul st,st(2) ; UR VR UZR ZRi VZR UL VL add edi,32 ; move screen pointer to start of next aspan add [pZBufferPtr],32 dec [NumASpans] ; dec num affine spans jnz SpanLoop16 HandleLeftoverPixels16: mov esi,[pTex] cmp [RemainingCount],0 jz FPUReturn16 //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax dec [RemainingCount] jz OnePixelSpan16 //must get rid of this wasted time fstp [FloatTemp] ; inv. inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. UL VL fstp [FloatTemp] ; inv. UL VL fstp [FloatTemp] ; UL VL fild [y] ; y UL VL fild [x2] ; xr y UL VL fld [UDivZStepY] ; UZdY xr y UL VL fld [UDivZStepX] ; UZdX UZdY xr y UL VL fmul st,st(2) ; UZX UZdY xr y UL VL fld [VDivZStepY] ; VZdY UZX UZdY xr y UL VL fld [VDivZStepX] ; VZdX VZdY UZX UZdY xr y UL VL fxch st(3) ; UZdy VZdY UZX VZdX xr y UL VL fmul st,st(5) ; UZY VZdY UZX VZdX xr y UL VL fxch st(2) ; UZX VZdY UZY VZdX xr y UL VL fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX xr y UL VL fxch st(3) ; VZdX VZdY UZY UZXS xr y UL VL fmul st,st(4) ; VZX VZdY UZY UZXS xr y UL VL fxch st(2) ; UZY VZdY VZX UZXS xr y UL VL faddp st(3),st ; VZdY VZX UZ xr y UL VL fmul st,st(4) ; VZY VZX UZ xr y UL VL fxch st(1) ; VZX VZY UZ xr y UL VL fadd [VDivZOrigin] ; VZXS VZY UZ xr y UL VL fld [ZiStepX] ; ZdX VZXS VZY UZ xr y UL VL fmulp st(4),st ; VZXS VZY UZ ZX y UL VL faddp st(1),st ; VZ UZ ZX y UL VL fld [ZiStepY] ; ZdY VZ UZ ZX y UL VL fmulp st(4),st ; VZ UZ ZX ZY UL VL fxch st(2) ; ZX UZ VZ ZY UL VL fadd [ZiOrigin] ; ZXS UZ VZ ZY UL VL faddp st(3),st ; UZ VZ Zi UL VL fld1 ; 1 UZ VZ Zi UL VL fdiv st,st(3) ; ZR UZ VZ Zi UL VL fld st ; ZR ZR UZ VZ Zi UL VL fmul st,st(3) ; VR ZR UZ VZ Zi UL VL fxch st(1) ; ZR VR UZ VZ Zi UL VL fmul st,st(2) ; UR VR UZ VZ Zi UL VL //lazy idiv below... should 1/int mul mul ; calculate deltas ; st0 st1 st2 st3 st4 st5 st6 st7 fsubr st(5),st ; UR VR inv. inv. inv. dU VL fxch st(1) ; VR UR inv. inv. inv. dU VL fsubr st(6),st ; VR UR inv. inv. inv. dU dV fxch st(6) ; dV UR inv. inv. inv. dU VR fidiv dword ptr[RemainingCount];dv UR inv. inv. inv. dU VR fadd qword ptr[MipMagic] ; dvk UR inv. inv. inv. dU VR fxch st(5) ; dU UR inv. inv. inv. dvk VR fidiv dword ptr[RemainingCount];du UR inv. inv. inv. dvk VR fadd qword ptr[MipMagic] ; duk UR inv. inv. inv. dvk VR fxch st(5) ; dvk UR inv. inv. inv. duk VR fstp qword ptr[DeltaV] ; UR inv. inv. inv. duk VR fxch st(4) ; duk inv. inv. inv. UR VR fstp qword ptr[DeltaU] ; inv. inv. inv. UR VR fld st(1) ; inv. inv. inv. inv. UR VR fld st(2) ; inv. inv. inv. inv. inv. UR VR OnePixelSpan16: // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU116 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU116 TryClampU116: cmp ebx,0 jge NoClampU116 mov dword ptr[UFixed],0 NoClampU116: mov eax,[VFixed] cmp eax,MaxV jle TryClampV116 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV116 TryClampV116: cmp eax,0 jge NoClampV116 mov dword ptr[VFixed],0 NoClampV116: fstp [FTemp0] fstp [FTemp1] fstp [FTemp2] fstp [FTemp3] fstp [FTemp4] fstp [FTemp5] mov ebx,dword ptr[U1] mov edx,dword ptr[V1] fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ecx,[VShift] add edx,dword ptr[VAdjust2] add ebx,dword ptr[UAdjust2] mov eax,dword ptr[DeltaV] shl eax,cl mov esi,pTex shl edx,cl mov dword ptr[DeltaV],eax mov eax,[ZDelta] mov ecx,[ZVal] sar eax,1 push ebp mov [ZDelta],eax LeftoverLoop16: mov eax,edx and ebx,[GWMaskShifted] and eax,[GHMaskShifted16] add eax,ebx add ebx,dword ptr[DeltaU] shr eax,16 add edi,2 mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax and esi,GREENMASK2 mov eax,ecx or ebp,esi shr eax,16 mov esi,pZBufferPtr cmp ax,word ptr[esi] jle SkipLeftOver mov word ptr[edi-2],bp mov word ptr[esi],ax SkipLeftOver: add ecx,[ZDelta] mov esi,pTex add pZBufferPtr,2 dec [RemainingCount] jge LeftoverLoop16 pop ebp FPUReturn16: ffree st(0) ffree st(1) ffree st(2) ffree st(3) ffree st(4) ffree st(5) ffree st(6) Return16: pop edi pop esi pop ecx pop ebx } }

void DrawSpan16_AsmGouraudZBufferTrans555X86FPU (  int32  x1, int32  x2, int32  y, int32  r1, int32  g1, int32  b1, int32  r2, int32  g2, int32  b2 )

Definition at line 11017 of file x86span555.c. References B, BB1, Blue, BlueDelta, BLUEMASK, Bucket, Bucket2, CKeyTest, DeltaU, DeltaV, Dest, FloatTemp, FTemp0, FTemp1, FTemp2, FTemp3, FTemp4, FTemp5, G, GBitPtr16, GG1, GHMaskShifted16, GLMapMulU, GLMapMulV, Green, GreenDelta, GREENMASK2, GWMaskShifted, Magic, MaxU, MaxV, MipMagic, MipMagic2, NumASpans, or, pointer, pTex, pZBufferPtr, r, R, Red, RedDelta, REDMASK2, RemainingCount, RR1, TDest, Two, U1, UAdjust, UAdjust2, UAdjustL, UDivZ16StepX, UDivZOrigin, UDivZStepX, UDivZStepY, UFixed, V1, VAdjust, VAdjust2, VAdjustL, VDivZ16StepX, VDivZOrigin, VDivZStepX, VDivZStepY, VFixed, VShift, widTemp, y, ZBufferPrec, ZDelta, Zi, Zi16StepX, ZiOrigin, ZiStepX, ZiStepY, and ZVal. Referenced by RenderWorldPoly(). { RR1 =r1; GG1 =g1; BB1 =b1; TDest =Dest; _asm { push ebx push ecx push esi push edi mov eax,x1 mov ecx,x2 sub ecx,eax jle Return16 mov edi,[GBitPtr16] mov pTex,edi fild [y] ; y mov [widTemp],ecx fild [x1] ; x y fild [widTemp] fld1 fdivrp st(1),st mov esi,x1 mov edi,[TDest] shl esi,1 mov eax,ecx add edi,esi add pZBufferPtr,esi mov eax,ecx shr ecx,4 and eax,15 _emit 75h _emit 06h dec ecx mov eax,16 mov [NumASpans],ecx mov [RemainingCount],eax fild [r2] fisub [r1] fild [g2] fisub [g1] fild [b2] fisub [b1] fxch st(2) fmul st,st(3) fxch st(1) fmul st,st(3) fxch st(2) fmul st,st(3) frndint fstp qword ptr[BlueDelta] frndint fstp qword ptr[RedDelta] frndint fstp qword ptr[GreenDelta] fstp qword ptr[FTemp0] //decoder won't keep up with these huge instructions //need to find some int instructions to cram in here somewhere fld [UDivZStepY] ; UZdY x y fld [UDivZStepX] ; UZdX UZdY x y fmul st,st(2) ; UZX UZdY x y fld [VDivZStepY] ; VZdY UZX UZdY x y fld [VDivZStepX] ; VZdX VZdY UZX UZdY x y fxch st(3) ; UZdy VZdY UZX VZdX x y fmul st,st(5) ; UZY VZdY UZX VZdX x y fxch st(2) ; UZX VZdY UZY VZdX x y fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX x y fxch st(3) ; VZdX VZdY UZY UZXS x y fmul st,st(4) ; VZX VZdY UZY UZXS x y fxch st(2) ; UZY VZdY VZX UZXS x y faddp st(3),st ; VZdY VZX UZ x y fmul st,st(4) ; VZY VZX UZ x y fxch st(1) ; VZX VZY UZ x y fadd [VDivZOrigin] ; VZXS VZY UZ x y fld [ZiStepX] ; ZdX VZXS VZY UZ x y //zbuffer step action fld [ZiStepX] fmul dword ptr[ZBufferPrec] fmul dword ptr[Two] fistp dword ptr[ZDelta] fmulp st(4),st ; VZXS VZY UZ ZX y faddp st(1),st ; VZ UZ ZX y fld [ZiStepY] ; ZdY VZ UZ ZX y fmulp st(4),st ; VZ UZ ZX ZY fxch st(2) ; ZX UZ VZ ZY fadd [ZiOrigin] ; ZXS UZ VZ ZY //room for two cycles of int instructions here faddp st(3),st ; UZ VZ Zi fld1 ; 1 UZ VZ Zi fdiv st,st(3) ; ZL UZ VZ Zi //room for 18 cycles of int instructions here fld st ; ZL ZL UZ VZ Zi fmul st,st(3) ; VL ZL UZ VZ Zi fxch st(4) ; Zi ZL UZ VZ VL //zbuffer action fld st fmul dword ptr[ZBufferPrec] fistp dword ptr[ZVal] fadd [Zi16StepX] ; ZRi ZL UZ VZ VL fxch st(1) ; ZL ZRi UZ VZ VL fmul st,st(2) ; UL ZRi UZ VZ VL fxch st(3) ; VZ ZRi UZ UL VL fadd [VDivZ16StepX] ; VZR ZRi UZ UL VL fxch st(2) ; UZ ZRi VZR UL VL fadd [UDivZ16StepX] ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL //room for 18 cycles of int stuff here fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL //fmul stall one cycle fmul st,st(2) ; UR VR UZR ZRi VZR UL VL test ecx,ecx jz HandleLeftoverPixels16 SpanLoop16: //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL fsubr st(5),st ; VR UZR ZRi VZR UL dV mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax fsubr st(5),st ; UR VR UZR ZRi VZR dU dV fxch st(6) ; dV VR UZR ZRi VZR dU UR fadd qword ptr[MipMagic2] ; dVk VR UZR ZRi VZR dU UR fxch st(5) ; dU VR UZR ZRi VZR dVk UR fadd qword ptr[MipMagic2] ; dUk VR UZR ZRi VZR dVk UR fxch st(5) ; dVk VR UZR ZRi VZR dUk UR fstp qword ptr[DeltaV] ; VR UZR ZRi VZR dUk UR fxch st(5) ; UR UZR ZRi VZR dUk VR //gotta do this to get em lined back up right fxch st(4) ; dUk UZR ZRi VZR UR VR fstp qword ptr[DeltaU] ; UZR ZRi VZR UR VR //right becomes left ; UZL ZLi VZL UL VL fadd [UDivZ16StepX] ; UZR ZLi VZL UL VL fxch st(1) ; ZLi UZR VZL UL VL fadd [Zi16StepX] ; ZRi UZR VZL UL VL fxch st(2) ; VZL UZR ZRi UL VL fadd [VDivZ16StepX] ; VZR UZR ZRi UL VL fxch st(2) ; ZRi UZR VZR UL VL fxch st(1) ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU016 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU016 TryClampU016: cmp ebx,0 jge NoClampU016 mov dword ptr[UFixed],0 NoClampU016: mov eax,[VFixed] cmp eax,MaxV jle TryClampV016 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV016 TryClampV016: cmp eax,0 jge NoClampV016 mov dword ptr[VFixed],0 NoClampV016: fstp [FTemp0] ; UZR ZRi VZR UL VL fstp [FTemp1] ; ZRi VZR UL VL fstp [FTemp2] ; VZR UL VL fstp [FTemp3] ; UL VL fstp [FTemp4] ; VL fstp [FTemp5] ; fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ebx,dword ptr[U1] mov eax,dword ptr[V1] add ebx,dword ptr[UAdjust2] add eax,dword ptr[VAdjust2] mov ecx,[VShift] mov dword ptr[Bucket],ebx shl eax,cl push ebp mov dword ptr[Bucket2],eax mov ebp,dword ptr[DeltaV] and eax,[GHMaskShifted16] and ebx,[GWMaskShifted] shl ebp,cl add eax,ebx mov edx,dword ptr[Bucket2] mov esi,pTex shr eax,16 mov dword ptr[DeltaV],ebp mov ebx,dword ptr[Bucket] mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov ecx,edx mov ebp,eax add ebx,dword ptr[DeltaU] shr ebp,1 and ecx,[GHMaskShifted16] rol eax,16 mov [CKeyTest],ebp and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx add edx,dword ptr[DeltaV] mov esi,pTex shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec [CKeyTest] jl Skip0 mov ecx,pZBufferPtr cmp si,word ptr[ecx+0] jle Skip0 mov [edi+0],ebp mov word ptr[ecx+0],si mov word ptr[ecx+2],si Skip0: mov ecx,edx mov esi,pTex xor eax,0 add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] mov ebp,eax and ebx,[GWMaskShifted] shr ebp,1 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov [CKeyTest],ebp mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec [CKeyTest] jl Skip1 mov ecx,pZBufferPtr cmp si,word ptr[ecx+4] jle Skip1 mov [edi+4],ebp mov word ptr[ecx+4],si mov word ptr[ecx+6],si Skip1: mov ecx,edx mov esi,pTex xor eax,0 add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] mov ebp,eax and ebx,[GWMaskShifted] shr ebp,1 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov [CKeyTest],ebp mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec [CKeyTest] jl Skip2 mov ecx,pZBufferPtr cmp si,word ptr[ecx+8] jle Skip2 mov [edi+8],ebp mov word ptr[ecx+8],si mov word ptr[ecx+10],si Skip2: mov ecx,edx mov esi,pTex xor eax,0 add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] mov ebp,eax and ebx,[GWMaskShifted] shr ebp,1 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov [CKeyTest],ebp mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec [CKeyTest] jl Skip3 mov ecx,pZBufferPtr cmp si,word ptr[ecx+12] jle Skip3 mov [edi+12],ebp mov word ptr[ecx+12],si mov word ptr[ecx+14],si Skip3: mov ecx,edx mov esi,pTex xor eax,0 add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] mov ebp,eax and ebx,[GWMaskShifted] shr ebp,1 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov [CKeyTest],ebp mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec [CKeyTest] jl Skip4 mov ecx,pZBufferPtr cmp si,word ptr[ecx+16] jle Skip4 mov [edi+16],ebp mov word ptr[ecx+16],si mov word ptr[ecx+18],si Skip4: mov ecx,edx mov esi,pTex xor eax,0 add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] mov ebp,eax and ebx,[GWMaskShifted] shr ebp,1 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov [CKeyTest],ebp mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec [CKeyTest] jl Skip5 mov ecx,pZBufferPtr cmp si,word ptr[ecx+20] jle Skip5 mov [edi+20],ebp mov word ptr[ecx+20],si mov word ptr[ecx+22],si Skip5: mov ecx,edx mov esi,pTex xor eax,0 add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] mov ebp,eax and ebx,[GWMaskShifted] shr ebp,1 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov [CKeyTest],ebp mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec [CKeyTest] jl Skip6 mov ecx,pZBufferPtr cmp si,word ptr[ecx+24] jle Skip6 mov [edi+24],ebp mov word ptr[ecx+24],si mov word ptr[ecx+26],si Skip6: mov ecx,edx mov esi,pTex xor eax,0 add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] mov ebp,eax and ebx,[GWMaskShifted] shr ebp,1 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov [CKeyTest],ebp mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and [CKeyTest],eax and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fadd qword ptr[BlueDelta] fistp dword ptr[BB1] fadd qword ptr[GreenDelta] fistp dword ptr[GG1] fadd qword ptr[RedDelta] fistp dword ptr[RR1] and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax fstp dword ptr[Bucket] fstp dword ptr[Bucket2] fstp dword ptr[Bucket] and esi,GREENMASK2 fld dword ptr[FTemp5] fld dword ptr[FTemp4] or ebp,esi fld dword ptr[FTemp3] fld dword ptr[FTemp2] rol ebp,16 fld dword ptr[FTemp1] fld dword ptr[FTemp0] mov eax,[CKeyTest] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx dec eax jl Skip7 mov ecx,pZBufferPtr cmp si,word ptr[ecx+28] jle Skip7 mov [edi+28],ebp mov word ptr[ecx+28],si mov word ptr[ecx+30],si Skip7: pop ebp ; get corrected right side deltas ; st0 st1 st2 st3 st4 st5 st6 st7 ; ZR UZR ZRi VZR UL VL fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL fmul st,st(2) ; UR VR UZR ZRi VZR UL VL add edi,32 ; move screen pointer to start of next aspan add [pZBufferPtr],32 dec [NumASpans] ; dec num affine spans jnz SpanLoop16 HandleLeftoverPixels16: mov esi,[pTex] cmp [RemainingCount],0 jz FPUReturn16 //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax dec [RemainingCount] jz OnePixelSpan16 //must get rid of this wasted time fstp [FloatTemp] ; inv. inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. UL VL fstp [FloatTemp] ; inv. UL VL fstp [FloatTemp] ; UL VL fild [y] ; y UL VL fild [x2] ; xr y UL VL fld [UDivZStepY] ; UZdY xr y UL VL fld [UDivZStepX] ; UZdX UZdY xr y UL VL fmul st,st(2) ; UZX UZdY xr y UL VL fld [VDivZStepY] ; VZdY UZX UZdY xr y UL VL fld [VDivZStepX] ; VZdX VZdY UZX UZdY xr y UL VL fxch st(3) ; UZdy VZdY UZX VZdX xr y UL VL fmul st,st(5) ; UZY VZdY UZX VZdX xr y UL VL fxch st(2) ; UZX VZdY UZY VZdX xr y UL VL fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX xr y UL VL fxch st(3) ; VZdX VZdY UZY UZXS xr y UL VL fmul st,st(4) ; VZX VZdY UZY UZXS xr y UL VL fxch st(2) ; UZY VZdY VZX UZXS xr y UL VL faddp st(3),st ; VZdY VZX UZ xr y UL VL fmul st,st(4) ; VZY VZX UZ xr y UL VL fxch st(1) ; VZX VZY UZ xr y UL VL fadd [VDivZOrigin] ; VZXS VZY UZ xr y UL VL fld [ZiStepX] ; ZdX VZXS VZY UZ xr y UL VL fmulp st(4),st ; VZXS VZY UZ ZX y UL VL faddp st(1),st ; VZ UZ ZX y UL VL fld [ZiStepY] ; ZdY VZ UZ ZX y UL VL fmulp st(4),st ; VZ UZ ZX ZY UL VL fxch st(2) ; ZX UZ VZ ZY UL VL fadd [ZiOrigin] ; ZXS UZ VZ ZY UL VL faddp st(3),st ; UZ VZ Zi UL VL fld1 ; 1 UZ VZ Zi UL VL fdiv st,st(3) ; ZR UZ VZ Zi UL VL fld st ; ZR ZR UZ VZ Zi UL VL fmul st,st(3) ; VR ZR UZ VZ Zi UL VL fxch st(1) ; ZR VR UZ VZ Zi UL VL fmul st,st(2) ; UR VR UZ VZ Zi UL VL //lazy idiv below... should 1/int mul mul ; calculate deltas ; st0 st1 st2 st3 st4 st5 st6 st7 fsubr st(5),st ; UR VR inv. inv. inv. dU VL fxch st(1) ; VR UR inv. inv. inv. dU VL fsubr st(6),st ; VR UR inv. inv. inv. dU dV fxch st(6) ; dV UR inv. inv. inv. dU VR fidiv dword ptr[RemainingCount];dv UR inv. inv. inv. dU VR fadd qword ptr[MipMagic] ; dvk UR inv. inv. inv. dU VR fxch st(5) ; dU UR inv. inv. inv. dvk VR fidiv dword ptr[RemainingCount];du UR inv. inv. inv. dvk VR fadd qword ptr[MipMagic] ; duk UR inv. inv. inv. dvk VR fxch st(5) ; dvk UR inv. inv. inv. duk VR fstp qword ptr[DeltaV] ; UR inv. inv. inv. duk VR fxch st(4) ; duk inv. inv. inv. UR VR fstp qword ptr[DeltaU] ; inv. inv. inv. UR VR fld st(1) ; inv. inv. inv. inv. UR VR fld st(2) ; inv. inv. inv. inv. inv. UR VR OnePixelSpan16: // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU116 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU116 TryClampU116: cmp ebx,0 jge NoClampU116 mov dword ptr[UFixed],0 NoClampU116: mov eax,[VFixed] cmp eax,MaxV jle TryClampV116 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV116 TryClampV116: cmp eax,0 jge NoClampV116 mov dword ptr[VFixed],0 NoClampV116: fstp [FTemp0] fstp [FTemp1] fstp [FTemp2] fstp [FTemp3] fstp [FTemp4] fstp [FTemp5] mov ebx,dword ptr[U1] mov edx,dword ptr[V1] fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ecx,[VShift] add edx,dword ptr[VAdjust2] add ebx,dword ptr[UAdjust2] mov eax,dword ptr[DeltaV] shl eax,cl mov esi,pTex shl edx,cl mov dword ptr[DeltaV],eax mov eax,[ZDelta] mov ecx,[ZVal] sar eax,1 push ebp mov [ZDelta],eax LeftoverLoop16: mov eax,edx and ebx,[GWMaskShifted] and eax,[GHMaskShifted16] add eax,ebx add ebx,dword ptr[DeltaU] shr eax,16 add edi,2 mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax shr eax,1 fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK mov [CKeyTest],eax mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax and esi,GREENMASK2 mov eax,ecx or ebp,esi shr eax,16 mov esi,pZBufferPtr dec [CKeyTest] jl SkipLeftOver cmp ax,word ptr[esi] jle SkipLeftOver mov word ptr[edi-2],bp mov word ptr[esi],ax SkipLeftOver: add ecx,[ZDelta] mov esi,pTex add pZBufferPtr,2 dec [RemainingCount] jge LeftoverLoop16 pop ebp FPUReturn16: ffree st(0) ffree st(1) ffree st(2) ffree st(3) ffree st(4) ffree st(5) ffree st(6) Return16: pop edi pop esi pop ecx pop ebx } }

void DrawSpan16_AsmGouraudZWrite555X86FPU (  int32  x1, int32  x2, int32  y, int32  r1, int32  g1, int32  b1, int32  r2, int32  g2, int32  b2 )

Definition at line 8180 of file x86span555.c. References B, BB1, Blue, BlueDelta, BLUEMASK, Bucket, Bucket2, DeltaU, DeltaV, Dest, FloatTemp, FTemp0, FTemp1, FTemp2, FTemp3, FTemp4, FTemp5, G, GBitPtr16, GG1, GHMaskShifted16, GLMapMulU, GLMapMulV, Green, GreenDelta, GREENMASK2, GWMaskShifted, Magic, MaxU, MaxV, MipMagic, MipMagic2, NumASpans, or, pointer, pTex, pZBufferPtr, r, R, Red, RedDelta, REDMASK2, RemainingCount, RR1, TDest, Two, U1, UAdjust, UAdjust2, UAdjustL, UDivZ16StepX, UDivZOrigin, UDivZStepX, UDivZStepY, UFixed, V1, VAdjust, VAdjust2, VAdjustL, VDivZ16StepX, VDivZOrigin, VDivZStepX, VDivZStepY, VFixed, VShift, widTemp, y, ZBufferPrec, ZDelta, Zi, Zi16StepX, ZiOrigin, ZiStepX, ZiStepY, and ZVal. Referenced by AddSpanDraw(). { RR1 =r1; GG1 =g1; BB1 =b1; TDest =Dest; _asm { push ebx push ecx push esi push edi mov eax,x1 mov ecx,x2 sub ecx,eax jle Return16 mov edi,[GBitPtr16] mov pTex,edi fild [y] ; y mov [widTemp],ecx fild [x1] ; x y fild [widTemp] fld1 fdivrp st(1),st mov esi,x1 mov edi,[TDest] shl esi,1 mov eax,ecx add edi,esi add pZBufferPtr,esi mov eax,ecx shr ecx,4 and eax,15 _emit 75h _emit 06h dec ecx mov eax,16 mov [NumASpans],ecx mov [RemainingCount],eax fild [r2] fisub [r1] fild [g2] fisub [g1] fild [b2] fisub [b1] fxch st(2) fmul st,st(3) fxch st(1) fmul st,st(3) fxch st(2) fmul st,st(3) frndint fstp qword ptr[BlueDelta] frndint fstp qword ptr[RedDelta] frndint fstp qword ptr[GreenDelta] fstp qword ptr[FTemp0] //decoder won't keep up with these huge instructions //need to find some int instructions to cram in here somewhere fld [UDivZStepY] ; UZdY x y fld [UDivZStepX] ; UZdX UZdY x y fmul st,st(2) ; UZX UZdY x y fld [VDivZStepY] ; VZdY UZX UZdY x y fld [VDivZStepX] ; VZdX VZdY UZX UZdY x y fxch st(3) ; UZdy VZdY UZX VZdX x y fmul st,st(5) ; UZY VZdY UZX VZdX x y fxch st(2) ; UZX VZdY UZY VZdX x y fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX x y fxch st(3) ; VZdX VZdY UZY UZXS x y fmul st,st(4) ; VZX VZdY UZY UZXS x y fxch st(2) ; UZY VZdY VZX UZXS x y faddp st(3),st ; VZdY VZX UZ x y fmul st,st(4) ; VZY VZX UZ x y fxch st(1) ; VZX VZY UZ x y fadd [VDivZOrigin] ; VZXS VZY UZ x y fld [ZiStepX] ; ZdX VZXS VZY UZ x y //zbuffer step action fld [ZiStepX] fmul dword ptr[ZBufferPrec] fmul dword ptr[Two] fistp dword ptr[ZDelta] fmulp st(4),st ; VZXS VZY UZ ZX y faddp st(1),st ; VZ UZ ZX y fld [ZiStepY] ; ZdY VZ UZ ZX y fmulp st(4),st ; VZ UZ ZX ZY fxch st(2) ; ZX UZ VZ ZY fadd [ZiOrigin] ; ZXS UZ VZ ZY //room for two cycles of int instructions here faddp st(3),st ; UZ VZ Zi fld1 ; 1 UZ VZ Zi fdiv st,st(3) ; ZL UZ VZ Zi //room for 18 cycles of int instructions here fld st ; ZL ZL UZ VZ Zi fmul st,st(3) ; VL ZL UZ VZ Zi fxch st(4) ; Zi ZL UZ VZ VL //zbuffer action fld st fmul dword ptr[ZBufferPrec] fistp dword ptr[ZVal] fadd [Zi16StepX] ; ZRi ZL UZ VZ VL fxch st(1) ; ZL ZRi UZ VZ VL fmul st,st(2) ; UL ZRi UZ VZ VL fxch st(3) ; VZ ZRi UZ UL VL fadd [VDivZ16StepX] ; VZR ZRi UZ UL VL fxch st(2) ; UZ ZRi VZR UL VL fadd [UDivZ16StepX] ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL //room for 18 cycles of int stuff here fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL //fmul stall one cycle fmul st,st(2) ; UR VR UZR ZRi VZR UL VL test ecx,ecx jz HandleLeftoverPixels16 SpanLoop16: //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL fsubr st(5),st ; VR UZR ZRi VZR UL dV mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax fsubr st(5),st ; UR VR UZR ZRi VZR dU dV fxch st(6) ; dV VR UZR ZRi VZR dU UR fadd qword ptr[MipMagic2] ; dVk VR UZR ZRi VZR dU UR fxch st(5) ; dU VR UZR ZRi VZR dVk UR fadd qword ptr[MipMagic2] ; dUk VR UZR ZRi VZR dVk UR fxch st(5) ; dVk VR UZR ZRi VZR dUk UR fstp qword ptr[DeltaV] ; VR UZR ZRi VZR dUk UR fxch st(5) ; UR UZR ZRi VZR dUk VR //gotta do this to get em lined back up right fxch st(4) ; dUk UZR ZRi VZR UR VR fstp qword ptr[DeltaU] ; UZR ZRi VZR UR VR //right becomes left ; UZL ZLi VZL UL VL fadd [UDivZ16StepX] ; UZR ZLi VZL UL VL fxch st(1) ; ZLi UZR VZL UL VL fadd [Zi16StepX] ; ZRi UZR VZL UL VL fxch st(2) ; VZL UZR ZRi UL VL fadd [VDivZ16StepX] ; VZR UZR ZRi UL VL fxch st(2) ; ZRi UZR VZR UL VL fxch st(1) ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU016 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU016 TryClampU016: cmp ebx,0 jge NoClampU016 mov dword ptr[UFixed],0 NoClampU016: mov eax,[VFixed] cmp eax,MaxV jle TryClampV016 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV016 TryClampV016: cmp eax,0 jge NoClampV016 mov dword ptr[VFixed],0 NoClampV016: fstp [FTemp0] ; UZR ZRi VZR UL VL fstp [FTemp1] ; ZRi VZR UL VL fstp [FTemp2] ; VZR UL VL fstp [FTemp3] ; UL VL fstp [FTemp4] ; VL fstp [FTemp5] ; fild dword ptr[RR1] ; LR fild dword ptr[GG1] ; LG LR fild dword ptr[BB1] ; LB LG LR mov ebx,dword ptr[U1] mov eax,dword ptr[V1] add ebx,dword ptr[UAdjust2] add eax,dword ptr[VAdjust2] mov ecx,[VShift] mov dword ptr[Bucket],ebx shl eax,cl push ebp mov dword ptr[Bucket2],eax mov ebp,dword ptr[DeltaV] and eax,[GHMaskShifted16] and ebx,[GWMaskShifted] shl ebp,cl add eax,ebx mov edx,dword ptr[Bucket2] mov esi,pTex shr eax,16 mov dword ptr[DeltaV],ebp mov ebx,dword ptr[Bucket] mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] rol eax,16 and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx add edx,dword ptr[DeltaV] mov esi,pTex shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+0],ebp mov word ptr[ecx+0],si mov word ptr[ecx+2],si mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+4],ebp mov word ptr[ecx+4],si mov word ptr[ecx+6],si mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+8],ebp mov word ptr[ecx+8],si mov word ptr[ecx+10],si mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+12],ebp mov word ptr[ecx+12],si mov word ptr[ecx+14],si mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+16],ebp mov word ptr[ecx+16],si mov word ptr[ecx+18],si mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+20],ebp mov word ptr[ecx+20],si mov word ptr[ecx+22],si mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fxch st(1) fadd qword ptr[GreenDelta] fxch st(1) fadd qword ptr[BlueDelta] fxch st(2) fadd qword ptr[RedDelta] fxch st(2) and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+24],ebp mov word ptr[ecx+24],si mov word ptr[ecx+26],si mov ecx,edx mov esi,pTex add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR fadd qword ptr[BlueDelta] fistp dword ptr[BB1] fadd qword ptr[GreenDelta] fistp dword ptr[GG1] fadd qword ptr[RedDelta] fistp dword ptr[RR1] and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax fstp dword ptr[Bucket] fstp dword ptr[Bucket2] fstp dword ptr[Bucket] and esi,GREENMASK2 fld dword ptr[FTemp5] fld dword ptr[FTemp4] or ebp,esi fld dword ptr[FTemp3] fld dword ptr[FTemp2] rol ebp,16 fld dword ptr[FTemp1] fld dword ptr[FTemp0] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+28],ebp mov word ptr[ecx+28],si mov word ptr[ecx+30],si pop ebp ; get corrected right side deltas ; st0 st1 st2 st3 st4 st5 st6 st7 ; ZR UZR ZRi VZR UL VL fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL fmul st,st(2) ; UR VR UZR ZRi VZR UL VL add edi,32 ; move screen pointer to start of next aspan add [pZBufferPtr],32 dec [NumASpans] ; dec num affine spans jnz SpanLoop16 HandleLeftoverPixels16: mov esi,[pTex] cmp [RemainingCount],0 jz FPUReturn16 //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax dec [RemainingCount] jz OnePixelSpan16 //must get rid of this wasted time fstp [FloatTemp] ; inv. inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. UL VL fstp [FloatTemp] ; inv. UL VL fstp [FloatTemp] ; UL VL fild [y] ; y UL VL fild [x2] ; xr y UL VL fld [UDivZStepY] ; UZdY xr y UL VL fld [UDivZStepX] ; UZdX UZdY xr y UL VL fmul st,st(2) ; UZX UZdY xr y UL VL fld [VDivZStepY] ; VZdY UZX UZdY xr y UL VL fld [VDivZStepX] ; VZdX VZdY UZX UZdY xr y UL VL fxch st(3) ; UZdy VZdY UZX VZdX xr y UL VL fmul st,st(5) ; UZY VZdY UZX VZdX xr y UL VL fxch st(2) ; UZX VZdY UZY VZdX xr y UL VL fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX xr y UL VL fxch st(3) ; VZdX VZdY UZY UZXS xr y UL VL fmul st,st(4) ; VZX VZdY UZY UZXS xr y UL VL fxch st(2) ; UZY VZdY VZX UZXS xr y UL VL faddp st(3),st ; VZdY VZX UZ xr y UL VL fmul st,st(4) ; VZY VZX UZ xr y UL VL fxch st(1) ; VZX VZY UZ xr y UL VL fadd [VDivZOrigin] ; VZXS VZY UZ xr y UL VL fld [ZiStepX] ; ZdX VZXS VZY UZ xr y UL VL fmulp st(4),st ; VZXS VZY UZ ZX y UL VL faddp st(1),st ; VZ UZ ZX y UL VL fld [ZiStepY] ; ZdY VZ UZ ZX y UL VL fmulp st(4),st ; VZ UZ ZX ZY UL VL fxch st(2) ; ZX UZ VZ ZY UL VL fadd [ZiOrigin] ; ZXS UZ VZ ZY UL VL faddp st(3),st ; UZ VZ Zi UL VL fld1 ; 1 UZ VZ Zi UL VL fdiv st,st(3) ; ZR UZ VZ Zi UL VL fld st ; ZR ZR UZ VZ Zi UL VL fmul st,st(3) ; VR ZR UZ VZ Zi UL VL fxch st(1) ; ZR VR UZ VZ Zi UL VL fmul st,st(2) ; UR VR UZ VZ Zi UL VL //lazy idiv below... should 1/int mul mul ; calculate deltas ; st0 st1 st2 st3 st4 st5 st6 st7 fsubr st(5),st ; UR VR inv. inv. inv. dU VL fxch st(1) ; VR UR inv. inv. inv. dU VL fsubr st(6),st ; VR UR inv. inv. inv. dU dV fxch st(6) ; dV UR inv. inv. inv. dU VR fidiv dword ptr[RemainingCount];dv UR inv. inv. inv. dU VR fadd qword ptr[MipMagic] ; dvk UR inv. inv. inv. dU VR fxch st(5) ; dU UR inv. inv. inv. dvk VR fidiv dword ptr[RemainingCount];du UR inv. inv. inv. dvk VR fadd qword ptr[MipMagic] ; duk UR inv. inv. inv. dvk VR fxch st(5) ; dvk UR inv. inv. inv. duk VR fstp qword ptr[DeltaV] ; UR inv. inv. inv. duk VR fxch st(4) ; duk inv. inv. inv. UR VR fstp qword ptr[DeltaU] ; inv. inv. inv. UR VR fld st(1) ; inv. inv. inv. inv. UR VR fld st(2) ; inv. inv. inv. inv. inv. UR VR OnePixelSpan16: // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU116 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU116 TryClampU116: cmp ebx,0 jge NoClampU116 mov dword ptr[UFixed],0 NoClampU116: mov eax,[VFixed] cmp eax,MaxV jle TryClampV116 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV116 TryClampV116: cmp eax,0 jge NoClampV116 mov dword ptr[VFixed],0 NoClampV116: fstp [FTemp0] fstp [FTemp1] fstp [FTemp2] fstp [FTemp3] fstp [FTemp4] fstp [FTemp5] mov ebx,dword ptr[U1] mov edx,dword ptr[V1] fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ecx,[VShift] add edx,dword ptr[VAdjust2] add ebx,dword ptr[UAdjust2] mov eax,dword ptr[DeltaV] shl eax,cl mov esi,pTex shl edx,cl mov dword ptr[DeltaV],eax mov eax,[ZDelta] mov ecx,[ZVal] sar eax,1 push ebp mov [ZDelta],eax LeftoverLoop16: mov eax,edx and ebx,[GWMaskShifted] and eax,[GHMaskShifted16] add eax,ebx add ebx,dword ptr[DeltaU] shr eax,16 add edi,2 mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax and esi,GREENMASK2 mov eax,ecx or ebp,esi shr eax,16 mov esi,pZBufferPtr mov word ptr[edi-2],bp mov word ptr[esi],ax add ecx,[ZDelta] mov esi,pTex add pZBufferPtr,2 dec [RemainingCount] jge LeftoverLoop16 pop ebp FPUReturn16: ffree st(0) ffree st(1) ffree st(2) ffree st(3) ffree st(4) ffree st(5) ffree st(6) Return16: pop edi pop esi pop ecx pop ebx } }

void DrawSpan16_AsmLit555X86FPU (  int32  x1, int32  x2, int32  y )

Definition at line 9594 of file x86span555.c. References B, B1, B2, BB1, Blue, BLUEMASK, Bucket, Bucket2, DRV_Window::Buffer, ClientWindow, DeltaU, DeltaV, FloatTemp, FTemp0, FTemp1, FTemp2, FTemp3, FTemp4, FTemp5, G, G1, G2, GBitPtr16, GG1, GHMaskShifted16, GLightData, GLightWidth, GLMapMulU, GLMapMulV, GMipLevel20, GMipLevel4_8, Green, GREENMASK2, GWMaskShifted, Magic, MaxU, MaxV, MipMagic, MipMagic2, NumASpans, or, pointer, pTex, r, R, R1, R2, Red, REDMASK2, RemainingCount, RR1, U1, UAdjust, UAdjust2, UAdjustL, UDist, UDivZ16StepX, UDivZOrigin, UDivZStepX, UDivZStepY, UFixed, V1, VAdjust, VAdjust2, VAdjustL, VDist, VDivZ16StepX, VDivZOrigin, VDivZStepX, VDivZStepY, VFixed, VShift, DRV_Window::Width, y, Zi, Zi16StepX, ZiOrigin, ZiStepX, and ZiStepY. { _asm { mov eax,x1 mov ecx,x2 sub ecx,eax jle Return16 mov edi,[GBitPtr16] mov pTex,edi fild [y] ; y mov edi, ClientWindow.Buffer mov eax, y imul eax, ClientWindow.Width add eax, x1 shl eax, 1 add edi, eax mov eax,ecx shr ecx,4 and eax,15 _emit 75h _emit 06h dec ecx mov eax,16 mov [NumASpans],ecx mov [RemainingCount],eax fild [x1] ; x y //decoder won't keep up with these huge instructions //need to find some int instructions to cram in here somewhere fld [UDivZStepY] ; UZdY x y fld [UDivZStepX] ; UZdX UZdY x y fmul st,st(2) ; UZX UZdY x y fld [VDivZStepY] ; VZdY UZX UZdY x y fld [VDivZStepX] ; VZdX VZdY UZX UZdY x y fxch st(3) ; UZdy VZdY UZX VZdX x y fmul st,st(5) ; UZY VZdY UZX VZdX x y fxch st(2) ; UZX VZdY UZY VZdX x y fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX x y fxch st(3) ; VZdX VZdY UZY UZXS x y fmul st,st(4) ; VZX VZdY UZY UZXS x y fxch st(2) ; UZY VZdY VZX UZXS x y faddp st(3),st ; VZdY VZX UZ x y fmul st,st(4) ; VZY VZX UZ x y fxch st(1) ; VZX VZY UZ x y fadd [VDivZOrigin] ; VZXS VZY UZ x y fld [ZiStepX] ; ZdX VZXS VZY UZ x y fmulp st(4),st ; VZXS VZY UZ ZX y faddp st(1),st ; VZ UZ ZX y fld [ZiStepY] ; ZdY VZ UZ ZX y fmulp st(4),st ; VZ UZ ZX ZY fxch st(2) ; ZX UZ VZ ZY fadd [ZiOrigin] ; ZXS UZ VZ ZY //room for two cycles of int instructions here faddp st(3),st ; UZ VZ Zi fld1 ; 1 UZ VZ Zi fdiv st,st(3) ; ZL UZ VZ Zi //room for 18 cycles of int instructions here fld st ; ZL ZL UZ VZ Zi fmul st,st(3) ; VL ZL UZ VZ Zi fxch st(4) ; Zi ZL UZ VZ VL fadd [Zi16StepX] ; ZRi ZL UZ VZ VL fxch st(1) ; ZL ZRi UZ VZ VL fmul st,st(2) ; UL ZRi UZ VZ VL fxch st(3) ; VZ ZRi UZ UL VL fadd [VDivZ16StepX] ; VZR ZRi UZ UL VL fxch st(2) ; UZ ZRi VZR UL VL fadd [UDivZ16StepX] ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL //room for 18 cycles of int stuff here fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL //fmul stall one cycle fmul st,st(2) ; UR VR UZR ZRi VZR UL VL test ecx,ecx jz HandleLeftoverPixels16 SpanLoop16: //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL fsubr st(5),st ; VR UZR ZRi VZR UL dV mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax fsubr st(5),st ; UR VR UZR ZRi VZR dU dV fxch st(6) ; dV VR UZR ZRi VZR dU UR fadd qword ptr[MipMagic2] ; dVk VR UZR ZRi VZR dU UR fxch st(5) ; dU VR UZR ZRi VZR dVk UR fadd qword ptr[MipMagic2] ; dUk VR UZR ZRi VZR dVk UR fxch st(5) ; dVk VR UZR ZRi VZR dUk UR fstp qword ptr[DeltaV] ; VR UZR ZRi VZR dUk UR fxch st(5) ; UR UZR ZRi VZR dUk VR //gotta do this to get em lined back up right fxch st(4) ; dUk UZR ZRi VZR UR VR fstp qword ptr[DeltaU] ; UZR ZRi VZR UR VR //right becomes left ; UZL ZLi VZL UL VL fadd [UDivZ16StepX] ; UZR ZLi VZL UL VL fxch st(1) ; ZLi UZR VZL UL VL fadd [Zi16StepX] ; ZRi UZR VZL UL VL fxch st(2) ; VZL UZR ZRi UL VL fadd [VDivZ16StepX] ; VZR UZR ZRi UL VL fxch st(2) ; ZRi UZR VZR UL VL fxch st(1) ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU016 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU016 TryClampU016: cmp ebx,0 jge NoClampU016 mov dword ptr[UFixed],0 NoClampU016: mov eax,[VFixed] cmp eax,MaxV jle TryClampV016 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV016 TryClampV016: cmp eax,0 jge NoClampV016 mov dword ptr[VFixed],0 NoClampV016: mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel4_8 sar esi, cl sar eax, cl and esi, 0ffh and eax, 0ffh mov UDist, esi mov VDist, eax mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel20 shr esi, cl shr eax, cl imul eax, GLightWidth add esi, eax mov edx, esi shl esi, 1 add edx, esi add edx, GLightData // Interpolate accross top xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R1], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G1], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B1], eax add edx, GLightWidth add edx, GLightWidth add edx, GLightWidth // Interpolate accross bottom xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R2], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G2], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B2], eax // Interpolate down mov eax, [R2] sub eax, [R1] imul eax, VDist sar eax, 8 add eax, [R1] shr eax, 8 and eax,0feh mov [RR1], eax mov eax, [G2] sub eax, [G1] imul eax, VDist sar eax, 8 add eax, [G1] shr eax, 8 and eax,0feh mov [GG1], eax mov eax, [B2] sub eax, [B1] imul eax, VDist sar eax, 8 add eax, [B1] shr eax, 8 and eax,0feh mov [BB1], eax fstp [FTemp0] ; UZR ZRi VZR UL VL fstp [FTemp1] ; ZRi VZR UL VL fstp [FTemp2] ; VZR UL VL fstp [FTemp3] ; UL VL fstp [FTemp4] ; VL fstp [FTemp5] ; fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ebx,dword ptr[U1] mov eax,dword ptr[V1] add ebx,dword ptr[UAdjust2] add eax,dword ptr[VAdjust2] mov ecx,[VShift] mov dword ptr[Bucket],ebx shl eax,cl push ebp mov dword ptr[Bucket2],eax mov ebp,dword ptr[DeltaV] and eax,[GHMaskShifted16] and ebx,[GWMaskShifted] shl ebp,cl add eax,ebx mov edx,dword ptr[Bucket2] mov esi,pTex shr eax,16 mov dword ptr[DeltaV],ebp mov ebx,dword ptr[Bucket] mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] rol eax,16 and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx add edx,dword ptr[DeltaV] mov esi,pTex shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov [edi],ebp rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov [edi+4],ebp rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov [edi+8],ebp shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov [edi+12],ebp shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov [edi+16],ebp shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov [edi+20],ebp shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov [edi+24],ebp shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax fstp dword ptr[Bucket] fstp dword ptr[Bucket2] fstp dword ptr[Bucket] and esi,GREENMASK2 fld dword ptr[FTemp5] fld dword ptr[FTemp4] or ebp,esi fld dword ptr[FTemp3] fld dword ptr[FTemp2] rol ebp,16 fld dword ptr[FTemp1] fld dword ptr[FTemp0] mov [edi+28],ebp ; store pixel 0 pop ebp ; get corrected right side deltas ; st0 st1 st2 st3 st4 st5 st6 st7 ; ZR UZR ZRi VZR UL VL fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL fmul st,st(2) ; UR VR UZR ZRi VZR UL VL add edi,32 ; move screen pointer to start of next aspan dec [NumASpans] ; dec num affine spans jnz SpanLoop16 HandleLeftoverPixels16: mov esi,[pTex] cmp [RemainingCount],0 jz FPUReturn16 //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax dec [RemainingCount] jz OnePixelSpan16 //must get rid of this wasted time fstp [FloatTemp] ; inv. inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. UL VL fstp [FloatTemp] ; inv. UL VL fstp [FloatTemp] ; UL VL fild [y] ; y UL VL fild [x2] ; xr y UL VL fld [UDivZStepY] ; UZdY xr y UL VL fld [UDivZStepX] ; UZdX UZdY xr y UL VL fmul st,st(2) ; UZX UZdY xr y UL VL fld [VDivZStepY] ; VZdY UZX UZdY xr y UL VL fld [VDivZStepX] ; VZdX VZdY UZX UZdY xr y UL VL fxch st(3) ; UZdy VZdY UZX VZdX xr y UL VL fmul st,st(5) ; UZY VZdY UZX VZdX xr y UL VL fxch st(2) ; UZX VZdY UZY VZdX xr y UL VL fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX xr y UL VL fxch st(3) ; VZdX VZdY UZY UZXS xr y UL VL fmul st,st(4) ; VZX VZdY UZY UZXS xr y UL VL fxch st(2) ; UZY VZdY VZX UZXS xr y UL VL faddp st(3),st ; VZdY VZX UZ xr y UL VL fmul st,st(4) ; VZY VZX UZ xr y UL VL fxch st(1) ; VZX VZY UZ xr y UL VL fadd [VDivZOrigin] ; VZXS VZY UZ xr y UL VL fld [ZiStepX] ; ZdX VZXS VZY UZ xr y UL VL fmulp st(4),st ; VZXS VZY UZ ZX y UL VL faddp st(1),st ; VZ UZ ZX y UL VL fld [ZiStepY] ; ZdY VZ UZ ZX y UL VL fmulp st(4),st ; VZ UZ ZX ZY UL VL fxch st(2) ; ZX UZ VZ ZY UL VL fadd [ZiOrigin] ; ZXS UZ VZ ZY UL VL faddp st(3),st ; UZ VZ Zi UL VL fld1 ; 1 UZ VZ Zi UL VL fdiv st,st(3) ; ZR UZ VZ Zi UL VL fld st ; ZR ZR UZ VZ Zi UL VL fmul st,st(3) ; VR ZR UZ VZ Zi UL VL fxch st(1) ; ZR VR UZ VZ Zi UL VL fmul st,st(2) ; UR VR UZ VZ Zi UL VL //lazy idiv below... should 1/int mul mul ; calculate deltas ; st0 st1 st2 st3 st4 st5 st6 st7 fsubr st(5),st ; UR VR inv. inv. inv. dU VL fxch st(1) ; VR UR inv. inv. inv. dU VL fsubr st(6),st ; VR UR inv. inv. inv. dU dV fxch st(6) ; dV UR inv. inv. inv. dU VR fidiv dword ptr[RemainingCount];dv UR inv. inv. inv. dU VR fadd qword ptr[MipMagic] ; dvk UR inv. inv. inv. dU VR fxch st(5) ; dU UR inv. inv. inv. dvk VR fidiv dword ptr[RemainingCount];du UR inv. inv. inv. dvk VR fadd qword ptr[MipMagic] ; duk UR inv. inv. inv. dvk VR fxch st(5) ; dvk UR inv. inv. inv. duk VR fstp qword ptr[DeltaV] ; UR inv. inv. inv. duk VR fxch st(4) ; duk inv. inv. inv. UR VR fstp qword ptr[DeltaU] ; inv. inv. inv. UR VR fld st(1) ; inv. inv. inv. inv. UR VR fld st(2) ; inv. inv. inv. inv. inv. UR VR OnePixelSpan16: // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU116 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU116 TryClampU116: cmp ebx,0 jge NoClampU116 mov dword ptr[UFixed],0 NoClampU116: mov eax,[VFixed] cmp eax,MaxV jle TryClampV116 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV116 TryClampV116: cmp eax,0 jge NoClampV116 mov dword ptr[VFixed],0 NoClampV116: mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel4_8 sar esi, cl sar eax, cl and esi, 0ffh and eax, 0ffh mov UDist, esi mov VDist, eax mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel20 shr esi, cl shr eax, cl imul eax, GLightWidth add esi, eax mov edx, esi shl esi, 1 add edx, esi add edx, GLightData // Interpolate accross top xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R1], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G1], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B1], eax add edx, GLightWidth add edx, GLightWidth add edx, GLightWidth // Interpolate accross bottom xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R2], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G2], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B2], eax // Interpolate down mov eax, [R2] sub eax, [R1] imul eax, VDist sar eax, 8 add eax, [R1] shr eax, 8 and eax,0feh mov [RR1], eax mov eax, [G2] sub eax, [G1] imul eax, VDist sar eax, 8 add eax, [G1] shr eax, 8 and eax,0feh mov [GG1], eax mov eax, [B2] sub eax, [B1] imul eax, VDist sar eax, 8 add eax, [B1] shr eax, 8 and eax,0feh mov [BB1], eax fstp [FTemp0] fstp [FTemp1] fstp [FTemp2] fstp [FTemp3] fstp [FTemp4] fstp [FTemp5] mov ebx,dword ptr[U1] mov edx,dword ptr[V1] fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ecx,[VShift] add edx,dword ptr[VAdjust2] add ebx,dword ptr[UAdjust2] mov eax,dword ptr[DeltaV] shl eax,cl mov esi,pTex shl edx,cl mov dword ptr[DeltaV],eax push ebp LeftoverLoop16: mov eax,edx and ebx,[GWMaskShifted] and eax,[GHMaskShifted16] add eax,ebx add ebx,dword ptr[DeltaU] shr eax,16 add edi,2 mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax and esi,GREENMASK2 or ebp,esi mov esi,pTex mov word ptr[edi-2],bp dec [RemainingCount] jge LeftoverLoop16 pop ebp FPUReturn16: ffree st(0) ffree st(1) ffree st(2) ffree st(3) ffree st(4) ffree st(5) ffree st(6) Return16: } }

void DrawSpan16_AsmLitZBuffer555X86FPU (  int32  x1, int32  x2, int32  y )

Definition at line 3562 of file x86span555.c. References B, B1, B2, BB1, Blue, BLUEMASK, Bucket, Bucket2, DeltaU, DeltaV, Dest, FloatTemp, FTemp0, FTemp1, FTemp2, FTemp3, FTemp4, FTemp5, G, G1, G2, GBitPtr16, GG1, GHMaskShifted16, GLightData, GLightWidth, GLMapMulU, GLMapMulV, GMipLevel20, GMipLevel4_8, Green, GREENMASK2, GWMaskShifted, Magic, MaxU, MaxV, MipMagic, MipMagic2, NumASpans, or, pointer, pTex, pZBufferPtr, r, R, R1, R2, Red, REDMASK2, RemainingCount, RR1, TDest, Two, U1, UAdjust, UAdjust2, UAdjustL, UDist, UDivZ16StepX, UDivZOrigin, UDivZStepX, UDivZStepY, UFixed, V1, VAdjust, VAdjust2, VAdjustL, VDist, VDivZ16StepX, VDivZOrigin, VDivZStepX, VDivZStepY, VFixed, VShift, y, ZBufferPrec, ZDelta, Zi, Zi16StepX, ZiOrigin, ZiStepX, ZiStepY, and ZVal. Referenced by AddSpanDraw(). { TDest =Dest; _asm { push ebx push ecx push esi push edi mov eax,x1 mov ecx,x2 sub ecx,eax jle Return16 mov edi,[GBitPtr16] mov pTex,edi fild [y] ; y mov esi,x1 mov edi,[TDest] shl esi,1 mov eax,ecx add edi,esi add pZBufferPtr,esi shr ecx,4 and eax,15 _emit 75h _emit 06h dec ecx mov eax,16 mov [NumASpans],ecx mov [RemainingCount],eax fild [x1] ; x y //decoder won't keep up with these huge instructions //need to find some int instructions to cram in here somewhere fld [UDivZStepY] ; UZdY x y fld [UDivZStepX] ; UZdX UZdY x y fmul st,st(2) ; UZX UZdY x y fld [VDivZStepY] ; VZdY UZX UZdY x y fld [VDivZStepX] ; VZdX VZdY UZX UZdY x y fxch st(3) ; UZdy VZdY UZX VZdX x y fmul st,st(5) ; UZY VZdY UZX VZdX x y fxch st(2) ; UZX VZdY UZY VZdX x y fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX x y fxch st(3) ; VZdX VZdY UZY UZXS x y fmul st,st(4) ; VZX VZdY UZY UZXS x y fxch st(2) ; UZY VZdY VZX UZXS x y faddp st(3),st ; VZdY VZX UZ x y fmul st,st(4) ; VZY VZX UZ x y fxch st(1) ; VZX VZY UZ x y fadd [VDivZOrigin] ; VZXS VZY UZ x y fld [ZiStepX] ; ZdX VZXS VZY UZ x y //zbuffer step action fld [ZiStepX] fmul dword ptr[ZBufferPrec] fmul dword ptr[Two] fistp dword ptr[ZDelta] fmulp st(4),st ; VZXS VZY UZ ZX y faddp st(1),st ; VZ UZ ZX y fld [ZiStepY] ; ZdY VZ UZ ZX y fmulp st(4),st ; VZ UZ ZX ZY fxch st(2) ; ZX UZ VZ ZY fadd [ZiOrigin] ; ZXS UZ VZ ZY //room for two cycles of int instructions here faddp st(3),st ; UZ VZ Zi fld1 ; 1 UZ VZ Zi fdiv st,st(3) ; ZL UZ VZ Zi //room for 18 cycles of int instructions here fld st ; ZL ZL UZ VZ Zi fmul st,st(3) ; VL ZL UZ VZ Zi fxch st(4) ; Zi ZL UZ VZ VL //zbuffer action fld st fmul dword ptr[ZBufferPrec] fistp dword ptr[ZVal] fadd [Zi16StepX] ; ZRi ZL UZ VZ VL fxch st(1) ; ZL ZRi UZ VZ VL fmul st,st(2) ; UL ZRi UZ VZ VL fxch st(3) ; VZ ZRi UZ UL VL fadd [VDivZ16StepX] ; VZR ZRi UZ UL VL fxch st(2) ; UZ ZRi VZR UL VL fadd [UDivZ16StepX] ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL //room for 18 cycles of int stuff here fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL //fmul stall one cycle fmul st,st(2) ; UR VR UZR ZRi VZR UL VL test ecx,ecx jz HandleLeftoverPixels16 SpanLoop16: //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL fsubr st(5),st ; VR UZR ZRi VZR UL dV mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax fsubr st(5),st ; UR VR UZR ZRi VZR dU dV fxch st(6) ; dV VR UZR ZRi VZR dU UR fadd qword ptr[MipMagic2] ; dVk VR UZR ZRi VZR dU UR fxch st(5) ; dU VR UZR ZRi VZR dVk UR fadd qword ptr[MipMagic2] ; dUk VR UZR ZRi VZR dVk UR fxch st(5) ; dVk VR UZR ZRi VZR dUk UR fstp qword ptr[DeltaV] ; VR UZR ZRi VZR dUk UR fxch st(5) ; UR UZR ZRi VZR dUk VR //gotta do this to get em lined back up right fxch st(4) ; dUk UZR ZRi VZR UR VR fstp qword ptr[DeltaU] ; UZR ZRi VZR UR VR //right becomes left ; UZL ZLi VZL UL VL fadd [UDivZ16StepX] ; UZR ZLi VZL UL VL fxch st(1) ; ZLi UZR VZL UL VL fadd [Zi16StepX] ; ZRi UZR VZL UL VL fxch st(2) ; VZL UZR ZRi UL VL fadd [VDivZ16StepX] ; VZR UZR ZRi UL VL fxch st(2) ; ZRi UZR VZR UL VL fxch st(1) ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU016 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU016 TryClampU016: cmp ebx,0 jge NoClampU016 mov dword ptr[UFixed],0 NoClampU016: mov eax,[VFixed] cmp eax,MaxV jle TryClampV016 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV016 TryClampV016: cmp eax,0 jge NoClampV016 mov dword ptr[VFixed],0 NoClampV016: mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel4_8 sar esi, cl sar eax, cl and esi, 0ffh and eax, 0ffh mov UDist, esi mov VDist, eax mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel20 shr esi, cl shr eax, cl imul eax, GLightWidth add esi, eax mov edx, esi shl esi, 1 add edx, esi add edx, GLightData // Interpolate accross top xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R1], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G1], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B1], eax add edx, GLightWidth add edx, GLightWidth add edx, GLightWidth // Interpolate accross bottom xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R2], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G2], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B2], eax // Interpolate down mov eax, [R2] sub eax, [R1] imul eax, VDist sar eax, 8 add eax, [R1] shr eax, 8 and eax,0feh mov [RR1], eax mov eax, [G2] sub eax, [G1] imul eax, VDist sar eax, 8 add eax, [G1] shr eax, 8 and eax,0feh mov [GG1], eax mov eax, [B2] sub eax, [B1] imul eax, VDist sar eax, 8 add eax, [B1] shr eax, 8 and eax,0feh mov [BB1], eax fstp [FTemp0] ; UZR ZRi VZR UL VL fstp [FTemp1] ; ZRi VZR UL VL fstp [FTemp2] ; VZR UL VL fstp [FTemp3] ; UL VL fstp [FTemp4] ; VL fstp [FTemp5] ; fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ebx,dword ptr[U1] mov eax,dword ptr[V1] add ebx,dword ptr[UAdjust2] add eax,dword ptr[VAdjust2] mov ecx,[VShift] mov dword ptr[Bucket],ebx shl eax,cl push ebp mov dword ptr[Bucket2],eax mov ebp,dword ptr[DeltaV] and eax,[GHMaskShifted16] and ebx,[GWMaskShifted] shl ebp,cl add eax,ebx mov edx,dword ptr[Bucket2] mov esi,pTex shr eax,16 mov dword ptr[DeltaV],ebp mov ebx,dword ptr[Bucket] mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] rol eax,16 and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx add edx,dword ptr[DeltaV] mov esi,pTex shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+0] jle Skip0 mov [edi+0],ebp mov word ptr[ecx+0],si mov word ptr[ecx+2],si Skip0: mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+4] jle Skip1 mov [edi+4],ebp mov word ptr[ecx+4],si mov word ptr[ecx+6],si Skip1: mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+8] jle Skip2 mov [edi+8],ebp mov word ptr[ecx+8],si mov word ptr[ecx+10],si Skip2: mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+12] jle Skip3 mov [edi+12],ebp mov word ptr[ecx+12],si mov word ptr[ecx+14],si Skip3: mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+16] jle Skip4 mov [edi+16],ebp mov word ptr[ecx+16],si mov word ptr[ecx+18],si Skip4: mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+20] jle Skip5 mov [edi+20],ebp mov word ptr[ecx+20],si mov word ptr[ecx+22],si Skip5: mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+24] jle Skip6 mov [edi+24],ebp mov word ptr[ecx+24],si mov word ptr[ecx+26],si Skip6: mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax fstp dword ptr[Bucket] fstp dword ptr[Bucket2] fstp dword ptr[Bucket] and esi,GREENMASK2 fld dword ptr[FTemp5] fld dword ptr[FTemp4] or ebp,esi fld dword ptr[FTemp3] fld dword ptr[FTemp2] rol ebp,16 fld dword ptr[FTemp1] fld dword ptr[FTemp0] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr cmp si,word ptr[ecx+28] jle Skip7 mov [edi+28],ebp mov word ptr[ecx+28],si mov word ptr[ecx+30],si Skip7: pop ebp ; get corrected right side deltas ; st0 st1 st2 st3 st4 st5 st6 st7 ; ZR UZR ZRi VZR UL VL fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL fmul st,st(2) ; UR VR UZR ZRi VZR UL VL add edi,32 ; move screen pointer to start of next aspan add [pZBufferPtr],32 dec [NumASpans] ; dec num affine spans jnz SpanLoop16 HandleLeftoverPixels16: mov esi,[pTex] cmp [RemainingCount],0 jz FPUReturn16 //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax dec [RemainingCount] jz OnePixelSpan16 //must get rid of this wasted time fstp [FloatTemp] ; inv. inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. UL VL fstp [FloatTemp] ; inv. UL VL fstp [FloatTemp] ; UL VL fild [y] ; y UL VL fild [x2] ; xr y UL VL fld [UDivZStepY] ; UZdY xr y UL VL fld [UDivZStepX] ; UZdX UZdY xr y UL VL fmul st,st(2) ; UZX UZdY xr y UL VL fld [VDivZStepY] ; VZdY UZX UZdY xr y UL VL fld [VDivZStepX] ; VZdX VZdY UZX UZdY xr y UL VL fxch st(3) ; UZdy VZdY UZX VZdX xr y UL VL fmul st,st(5) ; UZY VZdY UZX VZdX xr y UL VL fxch st(2) ; UZX VZdY UZY VZdX xr y UL VL fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX xr y UL VL fxch st(3) ; VZdX VZdY UZY UZXS xr y UL VL fmul st,st(4) ; VZX VZdY UZY UZXS xr y UL VL fxch st(2) ; UZY VZdY VZX UZXS xr y UL VL faddp st(3),st ; VZdY VZX UZ xr y UL VL fmul st,st(4) ; VZY VZX UZ xr y UL VL fxch st(1) ; VZX VZY UZ xr y UL VL fadd [VDivZOrigin] ; VZXS VZY UZ xr y UL VL fld [ZiStepX] ; ZdX VZXS VZY UZ xr y UL VL fmulp st(4),st ; VZXS VZY UZ ZX y UL VL faddp st(1),st ; VZ UZ ZX y UL VL fld [ZiStepY] ; ZdY VZ UZ ZX y UL VL fmulp st(4),st ; VZ UZ ZX ZY UL VL fxch st(2) ; ZX UZ VZ ZY UL VL fadd [ZiOrigin] ; ZXS UZ VZ ZY UL VL faddp st(3),st ; UZ VZ Zi UL VL fld1 ; 1 UZ VZ Zi UL VL fdiv st,st(3) ; ZR UZ VZ Zi UL VL fld st ; ZR ZR UZ VZ Zi UL VL fmul st,st(3) ; VR ZR UZ VZ Zi UL VL fxch st(1) ; ZR VR UZ VZ Zi UL VL fmul st,st(2) ; UR VR UZ VZ Zi UL VL //lazy idiv below... should 1/int mul mul ; calculate deltas ; st0 st1 st2 st3 st4 st5 st6 st7 fsubr st(5),st ; UR VR inv. inv. inv. dU VL fxch st(1) ; VR UR inv. inv. inv. dU VL fsubr st(6),st ; VR UR inv. inv. inv. dU dV fxch st(6) ; dV UR inv. inv. inv. dU VR fidiv dword ptr[RemainingCount];dv UR inv. inv. inv. dU VR fadd qword ptr[MipMagic] ; dvk UR inv. inv. inv. dU VR fxch st(5) ; dU UR inv. inv. inv. dvk VR fidiv dword ptr[RemainingCount];du UR inv. inv. inv. dvk VR fadd qword ptr[MipMagic] ; duk UR inv. inv. inv. dvk VR fxch st(5) ; dvk UR inv. inv. inv. duk VR fstp qword ptr[DeltaV] ; UR inv. inv. inv. duk VR fxch st(4) ; duk inv. inv. inv. UR VR fstp qword ptr[DeltaU] ; inv. inv. inv. UR VR fld st(1) ; inv. inv. inv. inv. UR VR fld st(2) ; inv. inv. inv. inv. inv. UR VR OnePixelSpan16: // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU116 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU116 TryClampU116: cmp ebx,0 jge NoClampU116 mov dword ptr[UFixed],0 NoClampU116: mov eax,[VFixed] cmp eax,MaxV jle TryClampV116 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV116 TryClampV116: cmp eax,0 jge NoClampV116 mov dword ptr[VFixed],0 NoClampV116: mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel4_8 sar esi, cl sar eax, cl and esi, 0ffh and eax, 0ffh mov UDist, esi mov VDist, eax mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel20 shr esi, cl shr eax, cl imul eax, GLightWidth add esi, eax mov edx, esi shl esi, 1 add edx, esi add edx, GLightData // Interpolate accross top xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R1], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G1], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B1], eax add edx, GLightWidth add edx, GLightWidth add edx, GLightWidth // Interpolate accross bottom xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R2], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G2], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B2], eax // Interpolate down mov eax, [R2] sub eax, [R1] imul eax, VDist sar eax, 8 add eax, [R1] shr eax, 8 and eax,0feh mov [RR1], eax mov eax, [G2] sub eax, [G1] imul eax, VDist sar eax, 8 add eax, [G1] shr eax, 8 and eax,0feh mov [GG1], eax mov eax, [B2] sub eax, [B1] imul eax, VDist sar eax, 8 add eax, [B1] shr eax, 8 and eax,0feh mov [BB1], eax fstp [FTemp0] fstp [FTemp1] fstp [FTemp2] fstp [FTemp3] fstp [FTemp4] fstp [FTemp5] mov ebx,dword ptr[U1] mov edx,dword ptr[V1] fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ecx,[VShift] add edx,dword ptr[VAdjust2] add ebx,dword ptr[UAdjust2] mov eax,dword ptr[DeltaV] shl eax,cl mov esi,pTex shl edx,cl mov dword ptr[DeltaV],eax mov eax,[ZDelta] mov ecx,[ZVal] sar eax,1 push ebp mov [ZDelta],eax LeftoverLoop16: mov eax,edx and ebx,[GWMaskShifted] and eax,[GHMaskShifted16] add eax,ebx add ebx,dword ptr[DeltaU] shr eax,16 add edi,2 mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax and esi,GREENMASK2 mov eax,ecx or ebp,esi shr eax,16 mov esi,pZBufferPtr cmp ax,word ptr[esi] jle SkipLeftOver mov word ptr[edi-2],bp mov word ptr[esi],ax SkipLeftOver: add ecx,[ZDelta] mov esi,pTex add pZBufferPtr,2 dec [RemainingCount] jge LeftoverLoop16 pop ebp FPUReturn16: ffree st(0) ffree st(1) ffree st(2) ffree st(3) ffree st(4) ffree st(5) ffree st(6) Return16: pop edi pop esi pop ecx pop ebx } }

void DrawSpan16_AsmLitZWrite555X86FPU (  int32  x1, int32  x2, int32  y )

Definition at line 5169 of file x86span555.c. References B, B1, B2, BB1, Blue, BLUEMASK, Bucket, Bucket2, DeltaU, DeltaV, Dest, FloatTemp, FTemp0, FTemp1, FTemp2, FTemp3, FTemp4, FTemp5, G, G1, G2, GBitPtr16, GG1, GHMaskShifted16, GLightData, GLightWidth, GLMapMulU, GLMapMulV, GMipLevel20, GMipLevel4_8, Green, GREENMASK2, GWMaskShifted, Magic, MaxU, MaxV, MipMagic, MipMagic2, NumASpans, or, pointer, pTex, pZBufferPtr, r, R, R1, R2, Red, REDMASK2, RemainingCount, RR1, TDest, Two, U1, UAdjust, UAdjust2, UAdjustL, UDist, UDivZ16StepX, UDivZOrigin, UDivZStepX, UDivZStepY, UFixed, V1, VAdjust, VAdjust2, VAdjustL, VDist, VDivZ16StepX, VDivZOrigin, VDivZStepX, VDivZStepY, VFixed, VShift, y, ZBufferPrec, ZDelta, Zi, Zi16StepX, ZiOrigin, ZiStepX, ZiStepY, and ZVal. Referenced by AddSpanDraw(). { TDest =Dest; _asm { push ebx push ecx push esi push edi mov eax,x1 mov ecx,x2 sub ecx,eax jle Return16 mov edi,[GBitPtr16] mov pTex,edi fild [y] ; y mov esi,x1 mov edi,[TDest] shl esi,1 mov eax,ecx add edi,esi add pZBufferPtr,esi shr ecx,4 and eax,15 _emit 75h _emit 06h dec ecx mov eax,16 mov [NumASpans],ecx mov [RemainingCount],eax fild [x1] ; x y //decoder won't keep up with these huge instructions //need to find some int instructions to cram in here somewhere fld [UDivZStepY] ; UZdY x y fld [UDivZStepX] ; UZdX UZdY x y fmul st,st(2) ; UZX UZdY x y fld [VDivZStepY] ; VZdY UZX UZdY x y fld [VDivZStepX] ; VZdX VZdY UZX UZdY x y fxch st(3) ; UZdy VZdY UZX VZdX x y fmul st,st(5) ; UZY VZdY UZX VZdX x y fxch st(2) ; UZX VZdY UZY VZdX x y fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX x y fxch st(3) ; VZdX VZdY UZY UZXS x y fmul st,st(4) ; VZX VZdY UZY UZXS x y fxch st(2) ; UZY VZdY VZX UZXS x y faddp st(3),st ; VZdY VZX UZ x y fmul st,st(4) ; VZY VZX UZ x y fxch st(1) ; VZX VZY UZ x y fadd [VDivZOrigin] ; VZXS VZY UZ x y fld [ZiStepX] ; ZdX VZXS VZY UZ x y //zbuffer step action fld [ZiStepX] fmul dword ptr[ZBufferPrec] fmul dword ptr[Two] fistp dword ptr[ZDelta] fmulp st(4),st ; VZXS VZY UZ ZX y faddp st(1),st ; VZ UZ ZX y fld [ZiStepY] ; ZdY VZ UZ ZX y fmulp st(4),st ; VZ UZ ZX ZY fxch st(2) ; ZX UZ VZ ZY fadd [ZiOrigin] ; ZXS UZ VZ ZY //room for two cycles of int instructions here faddp st(3),st ; UZ VZ Zi fld1 ; 1 UZ VZ Zi fdiv st,st(3) ; ZL UZ VZ Zi //room for 18 cycles of int instructions here fld st ; ZL ZL UZ VZ Zi fmul st,st(3) ; VL ZL UZ VZ Zi fxch st(4) ; Zi ZL UZ VZ VL //zbuffer action fld st fmul dword ptr[ZBufferPrec] fistp dword ptr[ZVal] fadd [Zi16StepX] ; ZRi ZL UZ VZ VL fxch st(1) ; ZL ZRi UZ VZ VL fmul st,st(2) ; UL ZRi UZ VZ VL fxch st(3) ; VZ ZRi UZ UL VL fadd [VDivZ16StepX] ; VZR ZRi UZ UL VL fxch st(2) ; UZ ZRi VZR UL VL fadd [UDivZ16StepX] ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL //room for 18 cycles of int stuff here fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL //fmul stall one cycle fmul st,st(2) ; UR VR UZR ZRi VZR UL VL test ecx,ecx jz HandleLeftoverPixels16 SpanLoop16: //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL fsubr st(5),st ; VR UZR ZRi VZR UL dV mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax fsubr st(5),st ; UR VR UZR ZRi VZR dU dV fxch st(6) ; dV VR UZR ZRi VZR dU UR fadd qword ptr[MipMagic2] ; dVk VR UZR ZRi VZR dU UR fxch st(5) ; dU VR UZR ZRi VZR dVk UR fadd qword ptr[MipMagic2] ; dUk VR UZR ZRi VZR dVk UR fxch st(5) ; dVk VR UZR ZRi VZR dUk UR fstp qword ptr[DeltaV] ; VR UZR ZRi VZR dUk UR fxch st(5) ; UR UZR ZRi VZR dUk VR //gotta do this to get em lined back up right fxch st(4) ; dUk UZR ZRi VZR UR VR fstp qword ptr[DeltaU] ; UZR ZRi VZR UR VR //right becomes left ; UZL ZLi VZL UL VL fadd [UDivZ16StepX] ; UZR ZLi VZL UL VL fxch st(1) ; ZLi UZR VZL UL VL fadd [Zi16StepX] ; ZRi UZR VZL UL VL fxch st(2) ; VZL UZR ZRi UL VL fadd [VDivZ16StepX] ; VZR UZR ZRi UL VL fxch st(2) ; ZRi UZR VZR UL VL fxch st(1) ; UZR ZRi VZR UL VL fld1 ; 1 UZR ZRi VZR UL VL fdiv st,st(2) ; ZR UZR ZRi VZR UL VL // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU016 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU016 TryClampU016: cmp ebx,0 jge NoClampU016 mov dword ptr[UFixed],0 NoClampU016: mov eax,[VFixed] cmp eax,MaxV jle TryClampV016 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV016 TryClampV016: cmp eax,0 jge NoClampV016 mov dword ptr[VFixed],0 NoClampV016: mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel4_8 sar esi, cl sar eax, cl and esi, 0ffh and eax, 0ffh mov UDist, esi mov VDist, eax mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel20 shr esi, cl shr eax, cl imul eax, GLightWidth add esi, eax mov edx, esi shl esi, 1 add edx, esi add edx, GLightData // Interpolate accross top xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R1], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G1], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B1], eax add edx, GLightWidth add edx, GLightWidth add edx, GLightWidth // Interpolate accross bottom xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R2], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G2], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B2], eax // Interpolate down mov eax, [R2] sub eax, [R1] imul eax, VDist sar eax, 8 add eax, [R1] shr eax, 8 and eax,0feh mov [RR1], eax mov eax, [G2] sub eax, [G1] imul eax, VDist sar eax, 8 add eax, [G1] shr eax, 8 and eax,0feh mov [GG1], eax mov eax, [B2] sub eax, [B1] imul eax, VDist sar eax, 8 add eax, [B1] shr eax, 8 and eax,0feh mov [BB1], eax fstp [FTemp0] ; UZR ZRi VZR UL VL fstp [FTemp1] ; ZRi VZR UL VL fstp [FTemp2] ; VZR UL VL fstp [FTemp3] ; UL VL fstp [FTemp4] ; VL fstp [FTemp5] ; fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ebx,dword ptr[U1] mov eax,dword ptr[V1] add ebx,dword ptr[UAdjust2] add eax,dword ptr[VAdjust2] mov ecx,[VShift] mov dword ptr[Bucket],ebx shl eax,cl push ebp mov dword ptr[Bucket2],eax mov ebp,dword ptr[DeltaV] and eax,[GHMaskShifted16] and ebx,[GWMaskShifted] shl ebp,cl add eax,ebx mov edx,dword ptr[Bucket2] mov esi,pTex shr eax,16 mov dword ptr[DeltaV],ebp mov ebx,dword ptr[Bucket] mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] rol eax,16 and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx add edx,dword ptr[DeltaV] mov esi,pTex shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+0],ebp mov word ptr[ecx+0],si mov word ptr[ecx+2],si mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+4],ebp mov word ptr[ecx+4],si mov word ptr[ecx+6],si mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex rol eax,16 add edx,dword ptr[DeltaV] shr ecx,16 add ebx,dword ptr[DeltaU] mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+8],ebp mov word ptr[ecx+8],si mov word ptr[ecx+10],si mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+12],ebp mov word ptr[ecx+12],si mov word ptr[ecx+14],si mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+16],ebp mov word ptr[ecx+16],si mov word ptr[ecx+18],si mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+20],ebp mov word ptr[ecx+20],si mov word ptr[ecx+22],si mov ecx,edx add ebx,dword ptr[DeltaU] and ecx,[GHMaskShifted16] and ebx,[GWMaskShifted] xor eax,0 add ecx,ebx mov esi,pTex shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] mov ecx,edx xor eax,0 and ecx,[GHMaskShifted16] mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax add ecx,ebx and esi,GREENMASK2 shr ecx,16 or ebp,esi xor eax,0 mov esi,pTex rol ebp,16 add edx,dword ptr[DeltaV] mov ax,word ptr[2*ecx+esi] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+24],ebp mov word ptr[ecx+24],si mov word ptr[ecx+26],si mov ecx,edx add ebx,dword ptr[DeltaU] xor eax,0 and ecx,[GHMaskShifted16] mov esi,pTex add ecx,ebx shr ecx,16 add edx,dword ptr[DeltaV] rol eax,16 mov ax,word ptr[2*ecx+esi] // mov ecx,edx xor eax,0 mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp // add ebx,dword ptr[DeltaU] fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK // and ebx,[GWMaskShifted] mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax fstp dword ptr[Bucket] fstp dword ptr[Bucket2] fstp dword ptr[Bucket] and esi,GREENMASK2 fld dword ptr[FTemp5] fld dword ptr[FTemp4] or ebp,esi fld dword ptr[FTemp3] fld dword ptr[FTemp2] rol ebp,16 fld dword ptr[FTemp1] fld dword ptr[FTemp0] mov ecx,[ZVal] mov esi,[ZVal] add ecx,[ZDelta] shr esi,16 mov [ZVal],ecx mov ecx,pZBufferPtr mov [edi+28],ebp mov word ptr[ecx+28],si mov word ptr[ecx+30],si pop ebp ; get corrected right side deltas ; st0 st1 st2 st3 st4 st5 st6 st7 ; ZR UZR ZRi VZR UL VL fld st ; ZR ZR UZR ZRi VZR UL VL fmul st,st(4) ; VR ZR UZR ZRi VZR UL VL fxch st(1) ; ZR VR UZR ZRi VZR UL VL fmul st,st(2) ; UR VR UZR ZRi VZR UL VL add edi,32 ; move screen pointer to start of next aspan add pZBufferPtr,32 dec [NumASpans] ; dec num affine spans jnz SpanLoop16 HandleLeftoverPixels16: mov esi,[pTex] cmp [RemainingCount],0 jz FPUReturn16 //need one more stack spot fstp dword ptr[FloatTemp] ; VR UZR ZRi VZR UL VL fld st(4) ; UL VR UZR ZRi VZR UL VL fmul [GLMapMulU] ; ULL VR UZR ZRi VZR UL VL fld st(5) ; UL ULL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULk ULL VR UZR ZRi VZR UL VL fxch st(1) ; ULL ULk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; ULLk ULk VR UZR ZRi VZR UL VL fxch st(1) ; ULk ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; ULLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld st(5) ; VL VR UZR ZRi VZR UL VL fmul [GLMapMulV] ; VLL VR UZR ZRi VZR UL VL add ebx,dword ptr[UAdjust] add eax,dword ptr[UAdjustL] mov [U1],ebx mov [UFixed],eax fld st(6) ; VL VLL VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLk VLL VR UZR ZRi VZR UL VL fxch st(1) ; VLL VLk VR UZR ZRi VZR UL VL fadd qword ptr[MipMagic] ; VLLk VLk VR UZR ZRi VZR UL VL fxch st(1) ; VLk VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket] ; VLLk VR UZR ZRi VZR UL VL fstp qword ptr[Bucket2] ; VR UZR ZRi VZR UL VL mov ebx,dword ptr[Bucket] mov eax,dword ptr[Bucket2] fld dword ptr[FloatTemp] ; UR VR UZR ZRi VZR UL dV add ebx,dword ptr[VAdjust] add eax,dword ptr[VAdjustL] mov [V1],ebx mov [VFixed],eax dec [RemainingCount] jz OnePixelSpan16 //must get rid of this wasted time fstp [FloatTemp] ; inv. inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. inv. UL VL fstp [FloatTemp] ; inv. inv. UL VL fstp [FloatTemp] ; inv. UL VL fstp [FloatTemp] ; UL VL fild [y] ; y UL VL fild [x2] ; xr y UL VL fld [UDivZStepY] ; UZdY xr y UL VL fld [UDivZStepX] ; UZdX UZdY xr y UL VL fmul st,st(2) ; UZX UZdY xr y UL VL fld [VDivZStepY] ; VZdY UZX UZdY xr y UL VL fld [VDivZStepX] ; VZdX VZdY UZX UZdY xr y UL VL fxch st(3) ; UZdy VZdY UZX VZdX xr y UL VL fmul st,st(5) ; UZY VZdY UZX VZdX xr y UL VL fxch st(2) ; UZX VZdY UZY VZdX xr y UL VL fadd [UDivZOrigin] ; UZXS VZdY UZY VZdX xr y UL VL fxch st(3) ; VZdX VZdY UZY UZXS xr y UL VL fmul st,st(4) ; VZX VZdY UZY UZXS xr y UL VL fxch st(2) ; UZY VZdY VZX UZXS xr y UL VL faddp st(3),st ; VZdY VZX UZ xr y UL VL fmul st,st(4) ; VZY VZX UZ xr y UL VL fxch st(1) ; VZX VZY UZ xr y UL VL fadd [VDivZOrigin] ; VZXS VZY UZ xr y UL VL fld [ZiStepX] ; ZdX VZXS VZY UZ xr y UL VL fmulp st(4),st ; VZXS VZY UZ ZX y UL VL faddp st(1),st ; VZ UZ ZX y UL VL fld [ZiStepY] ; ZdY VZ UZ ZX y UL VL fmulp st(4),st ; VZ UZ ZX ZY UL VL fxch st(2) ; ZX UZ VZ ZY UL VL fadd [ZiOrigin] ; ZXS UZ VZ ZY UL VL faddp st(3),st ; UZ VZ Zi UL VL fld1 ; 1 UZ VZ Zi UL VL fdiv st,st(3) ; ZR UZ VZ Zi UL VL fld st ; ZR ZR UZ VZ Zi UL VL fmul st,st(3) ; VR ZR UZ VZ Zi UL VL fxch st(1) ; ZR VR UZ VZ Zi UL VL fmul st,st(2) ; UR VR UZ VZ Zi UL VL //lazy idiv below... should 1/int mul mul ; calculate deltas ; st0 st1 st2 st3 st4 st5 st6 st7 fsubr st(5),st ; UR VR inv. inv. inv. dU VL fxch st(1) ; VR UR inv. inv. inv. dU VL fsubr st(6),st ; VR UR inv. inv. inv. dU dV fxch st(6) ; dV UR inv. inv. inv. dU VR fidiv dword ptr[RemainingCount];dv UR inv. inv. inv. dU VR fadd qword ptr[MipMagic] ; dvk UR inv. inv. inv. dU VR fxch st(5) ; dU UR inv. inv. inv. dvk VR fidiv dword ptr[RemainingCount];du UR inv. inv. inv. dvk VR fadd qword ptr[MipMagic] ; duk UR inv. inv. inv. dvk VR fxch st(5) ; dvk UR inv. inv. inv. duk VR fstp qword ptr[DeltaV] ; UR inv. inv. inv. duk VR fxch st(4) ; duk inv. inv. inv. UR VR fstp qword ptr[DeltaU] ; inv. inv. inv. UR VR fld st(1) ; inv. inv. inv. inv. UR VR fld st(2) ; inv. inv. inv. inv. inv. UR VR OnePixelSpan16: // Clamp U/V mov ebx,[UFixed] cmp ebx,MaxU jle TryClampU116 mov ecx,MaxU mov dword ptr[UFixed],ecx jmp NoClampU116 TryClampU116: cmp ebx,0 jge NoClampU116 mov dword ptr[UFixed],0 NoClampU116: mov eax,[VFixed] cmp eax,MaxV jle TryClampV116 mov ecx,MaxV mov dword ptr[VFixed],ecx jmp NoClampV116 TryClampV116: cmp eax,0 jge NoClampV116 mov dword ptr[VFixed],0 NoClampV116: mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel4_8 sar esi, cl sar eax, cl and esi, 0ffh and eax, 0ffh mov UDist, esi mov VDist, eax mov esi,dword ptr[UFixed] mov eax,dword ptr[VFixed] mov ecx, GMipLevel20 shr esi, cl shr eax, cl imul eax, GLightWidth add esi, eax mov edx, esi shl esi, 1 add edx, esi add edx, GLightData // Interpolate accross top xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R1], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G1], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B1], eax add edx, GLightWidth add edx, GLightWidth add edx, GLightWidth // Interpolate accross bottom xor ecx, ecx mov cl, [edx+3] mov eax, ecx mov cl, [edx+0] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [R2], eax xor ecx, ecx mov cl, [edx+4] mov eax, ecx mov cl, [edx+1] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [G2], eax xor ecx, ecx mov cl, [edx+5] mov eax, ecx mov cl, [edx+2] sub eax, ecx imul eax, UDist shl ecx, 8 add eax, ecx mov [B2], eax // Interpolate down mov eax, [R2] sub eax, [R1] imul eax, VDist sar eax, 8 add eax, [R1] shr eax, 8 and eax,0feh mov [RR1], eax mov eax, [G2] sub eax, [G1] imul eax, VDist sar eax, 8 add eax, [G1] shr eax, 8 and eax,0feh mov [GG1], eax mov eax, [B2] sub eax, [B1] imul eax, VDist sar eax, 8 add eax, [B1] shr eax, 8 and eax,0feh mov [BB1], eax fstp [FTemp0] fstp [FTemp1] fstp [FTemp2] fstp [FTemp3] fstp [FTemp4] fstp [FTemp5] mov ebx,dword ptr[U1] mov edx,dword ptr[V1] fild [RR1] ; LR fild [GG1] ; LG LR fild [BB1] ; LB LG LR mov ecx,[VShift] add edx,dword ptr[VAdjust2] add ebx,dword ptr[UAdjust2] mov eax,dword ptr[DeltaV] shl eax,cl mov esi,pTex shl edx,cl mov dword ptr[DeltaV],eax mov eax,[ZDelta] mov ecx,[ZVal] sar eax,1 push ebp mov [ZDelta],eax LeftoverLoop16: mov eax,edx and ebx,[GWMaskShifted] and eax,[GHMaskShifted16] add eax,ebx add ebx,dword ptr[DeltaU] shr eax,16 add edi,2 mov ax,word ptr[2*eax+esi] add edx,dword ptr[DeltaV] xor eax,0 mov esi,eax mov ebp,eax and esi,REDMASK2 and ebp,GREENMASK2 mov dword ptr[Red],esi mov dword ptr[Green],ebp fild qword ptr[Red] ; r LB LG LR mov ebp,eax fmul st,st(3) ; R LB LG LR fild qword ptr[Green] ; g R LB LG LR and ebp,BLUEMASK mov dword ptr[Blue],ebp fmul st,st(3) ; G R LB LG LR fild [Blue] ; b G R LB LG LR fmul st,st(3) ; B G R LB LG LR fxch st(2) ; R G B LB LG LR fadd qword ptr[Magic] ; Rk G B LB LG LR fxch st(1) ; G Rk B LB LG LR fadd qword ptr[Magic] ; Gk Rk B LB LG LR fxch st(2) ; B Rk Gk LB LG LR fadd qword ptr[Magic] ; Bk Rk Gk LB LG LR fxch st(1) ; Rk Bk Gk LB LG LR fstp qword ptr[Bucket] ; Bk Gk LB LG LR fstp qword ptr[Bucket2] ; Gk LB LG LR mov eax,dword ptr[Bucket] mov ebp,dword ptr[Bucket2] fstp qword ptr[Bucket] ; LB LG LR and eax,REDMASK2 and ebp,BLUEMASK mov esi,dword ptr[Bucket] or ebp,eax and esi,GREENMASK2 mov eax,ecx or ebp,esi shr eax,16 mov esi,pZBufferPtr mov word ptr[edi-2],bp mov word ptr[esi],ax add ecx,[ZDelta] mov esi,pTex add pZBufferPtr,2 dec [RemainingCount] jge LeftoverLoop16 pop ebp FPUReturn16: ffree st(0) ffree st(1) ffree st(2) ffree st(3) ffree st(4) ffree st(5) ffree st(6) Return16: pop edi pop esi pop ecx pop ebx } }

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