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m2ptftr.cc
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#include <malloc.h>
#include "cc.h"
//;/*
//.486
//.model flat
//LOCALS
//data32 SEGMENT PAGE
//.data
//EXTRN ppPolygons :DWORD
extern "C" uint32_t pcBackBuffer;
extern "C" uint32_t dwXmax;
extern "C" uint32_t iPixelCounter;
//align 32
static uint32_t pcTexture;
static uint32_t pDot1;
static uint32_t pDot2;
static uint32_t pDot3;
static float fYCounter;
static float fYCounter1;
static float fYCounter2;
static uint32_t dwYCounter;
static uint32_t dwYCounter1;
static uint32_t dwYCounter2;
static uint32_t dwYOffset1;
static uint32_t dwYOffset2;
static uint32_t dwScreenX1;
static uint32_t dwScreenX2;
static uint32_t dwScreenX3;
static uint32_t dwDeltaScreenX;
static uint32_t dwDeltaScreenX1;
static uint32_t dwDeltaScreenX2;
//dwDeltaScreenXf dd ?
//dwDeltaScreenX1f dd ?
//dwDeltaScreenX2f dd ?
static uint32_t dwAdderScreenX1;
static uint32_t dwAdderScreenX1f;
static uint32_t dwAdderScreenX2;
static uint32_t dwAdderScreenX2f;
static float fMaxXCounterRZP;
static uint32_t dwMaxXCounter;
static float fTextureUDivZ1NSBC; // NSBC = Not Subpixelcorrect
static float fTextureUDivZ2NSBC;
static float fTextureUDivZ3NSBC;
static float fTextureVDivZ1NSBC; // NSBC = Not Subpixelcorrect
static float fTextureVDivZ2NSBC;
static float fTextureVDivZ3NSBC;
static float fTextureUDivZ1;
static float fTextureUDivZ3;
static float fTextureUDivZdY;
static float fTextureUDivZdY1;
static float fTextureUDivZdY2;
static float fTextureVDivZ1;
static float fTextureVDivZ3;
static float fTextureVDivZdY;
static float fTextureVDivZdY1;
static float fTextureVDivZdY2;
static float fOneDivZ1NSBC;
static float fOneDivZ2NSBC;
static float fOneDivZ3NSBC;
static float fOneDivZdY;
static float fOneDivZdY1;
static float fOneDivZdY2;
static float fOneDivZ1;
//fOneDivZ2 dd ?
static float fOneDivZ3;
static float fOneDivZdX;
//fOneDivZdXsl dd ?
static float fScreenYError1;
static float fScreenYError2;
static float fScreenYError3;
static float fTextureVDivZdX; // sl = SpanLength
static float fTextureUDivZdX;
//fTextureVDivZdXsl dd ? ; sl = SpanLength
//fTextureUDivZdXsl dd ?
static uint32_t dwTextureU;
static uint32_t dwTextureV;
static uint32_t dwTextureVdX;
static uint32_t dwTextureUdX;
const static float fNum_2EXP20 = 1048576.0f;
const static float fNum_2EXP_20 = 0.0000009536743164f;
const static float fSpanLengthFactorsRZP[17] = { -1,
1.0f,
0.5f,
0.3333333333f,
0.25f,
0.2f,
0.1666666666f,
0.142857142f,
0.125f,
0.1111111111f,
0.1f,
0.0909090909f,
0.0833333333f,
0.076923076f,
0.071428571f,
0.0666666666f,
0.0625f};
#define dwSpanLength 16
//***> TODO: include the SpanLengthFactor in MaxXCounter
//***> TODO: Check the include of 2EXP20 in MaxXCounter
static uint32_t dwCurXCounter;
static uint32_t dwNextXCounter;
static uint32_t dwScanlineXCounter;
//***> TODO: eliminate old loop variables
//dwRemnantPixel dd ?
//dwSpanCounter dd ?
//YLoopVariable
//dwOldESP dd ?
static uint32_t dwScreenXf;
// Linear Mapper
static float fTextureU1;
static float fTextureU3;
static float fTextureUdY;
static float fTextureUdY1;
static float fTextureUdY2;
static float fTextureV1;
static float fTextureV3;
static float fTextureVdY;
static float fTextureVdY1;
static float fTextureVdY2;
static float fTextureVdX;
static float fTextureUdX;
// Texture Filtering
static uint32_t dwXCounter;
//PerspFltJumpTableX dd 8 dup (?)
//PerspFltJumpTableY dd 8 dup (?)
//LinearFltJumpTableX dd 8 dup (?)
//LinearFltJumpTableY dd 8 dup (?)
static uint32_t dwTemp;
//fpucw dw ?
//oldfpucw dw ?
//oh_low dd ?
//co_low dd ?
//co_hi dd ?
//ends
//.code
#include "m2struct.inc.h"
typedef struct {
uint32_t txf;
uint32_t pTexture;
uint32_t tyf;
uint32_t destination;
} XLoopData;
typedef struct {
uint32_t iTextureV;
uint32_t iScreenX2Offset;
uint32_t iScreenX1Offset;
uint32_t iTextureU;
} LinearPolygonData;
static void *allocated_pointer = NULL;
static uint32_t allocated_size = 0;
static void *mem_alloc_endptr(uint32_t size)
{
if (allocated_pointer != NULL)
{
if (size <= allocated_size)
{
return (void *) (allocated_size + (uintptr_t) allocated_pointer);
}
free(allocated_pointer);
allocated_pointer = NULL;
}
allocated_size = (size & 0xffff0000) + 0x10000;
allocated_pointer = malloc(allocated_size);
return (void *) (allocated_size + (uintptr_t) allocated_pointer);
}
static void *allocated_pointer2 = NULL;
static uint32_t allocated_size2 = 0;
static void *mem_alloc_endptr2(uint32_t size)
{
if (allocated_pointer2 != NULL)
{
if (size <= allocated_size2)
{
return (void *) (allocated_size2 + (uintptr_t) allocated_pointer2);
}
free(allocated_pointer2);
allocated_pointer2 = NULL;
}
allocated_size2 = (size & 0xffff0000) + 0x10000;
allocated_pointer2 = malloc(allocated_size2);
return (void *) (allocated_size2 + (uintptr_t) allocated_pointer2);
}
extern "C" void InitFltJumpTableTTrASM(void) {
//mov edx,offset PerspFltJumpTableX
//mov dword ptr ds:[edx].00h,offset PerspFltCaseX0
//mov dword ptr ds:[edx].04h,offset PerspFltCaseX1
//mov dword ptr ds:[edx].08h,offset PerspFltCaseX2
//mov dword ptr ds:[edx].0ch,offset PerspFltCaseX3
//mov dword ptr ds:[edx].10h,offset PerspFltCaseX4
//mov dword ptr ds:[edx].14h,offset PerspFltCaseX5
//mov dword ptr ds:[edx].18h,offset PerspFltCaseX6
//mov dword ptr ds:[edx].1ch,offset PerspFltCaseX7
//mov edx,offset PerspFltJumpTableY
//mov dword ptr ds:[edx].00h,offset PerspFltCaseY0
//mov dword ptr ds:[edx].04h,offset PerspFltCaseY1
//mov dword ptr ds:[edx].08h,offset PerspFltCaseY2
//mov dword ptr ds:[edx].0ch,offset PerspFltCaseY3
//mov dword ptr ds:[edx].10h,offset PerspFltCaseY4
//mov dword ptr ds:[edx].14h,offset PerspFltCaseY5
//mov dword ptr ds:[edx].18h,offset PerspFltCaseY6
//mov dword ptr ds:[edx].1ch,offset PerspFltCaseY7
//mov edx,offset LinearFltJumpTableX
//mov dword ptr ds:[edx].00h,offset LinearFltCaseX0
//mov dword ptr ds:[edx].04h,offset LinearFltCaseX1
//mov dword ptr ds:[edx].08h,offset LinearFltCaseX2
//mov dword ptr ds:[edx].0ch,offset LinearFltCaseX3
//mov dword ptr ds:[edx].10h,offset LinearFltCaseX4
//mov dword ptr ds:[edx].14h,offset LinearFltCaseX5
//mov dword ptr ds:[edx].18h,offset LinearFltCaseX6
//mov dword ptr ds:[edx].1ch,offset LinearFltCaseX7
//mov edx,offset LinearFltJumpTableY
//mov dword ptr ds:[edx].00h,offset LinearFltCaseY0
//mov dword ptr ds:[edx].04h,offset LinearFltCaseY1
//mov dword ptr ds:[edx].08h,offset LinearFltCaseY2
//mov dword ptr ds:[edx].0ch,offset LinearFltCaseY3
//mov dword ptr ds:[edx].10h,offset LinearFltCaseY4
//mov dword ptr ds:[edx].14h,offset LinearFltCaseY5
//mov dword ptr ds:[edx].18h,offset LinearFltCaseY6
//mov dword ptr ds:[edx].1ch,offset LinearFltCaseY7
return;
}
extern "C" void MV2DrawPolygonTfTrASM(uint32_t _edi) {
float fpu_reg10, fpu_reg11, fpu_reg12, fpu_reg13, fpu_reg14, fpu_reg15, fpu_reg16, fpu_reg17, fpu_reg18;
uint32_t eax, edx, ecx, edi = _edi, ebx, esi, ebp;
uint32_t stack_var00;
// edi = pPolygon
CMV2ScanlinerPerspT *SPT;
XLoopData *XLD;
LinearPolygonData *LPD;
eax = ( ((CMV2Polygon *)edi)->CMV2Polygon__m_pDot1 );
ebx = ( ((CMV2Polygon *)edi)->CMV2Polygon__m_pDot2 );
ecx = ( ((CMV2Polygon *)edi)->CMV2Polygon__m_pDot3 );
//eax - ecx: pDot3D1 - pDot3D3
pDot1 = eax;
pDot2 = ebx;
pDot3 = ecx;
edx = ( ((CMV2Polygon *)edi)->CMV2Polygon__m_pcTexture );
eax = ( ((CMV2Dot3D *)eax)->CMV2Dot3D__m_pPos );
edx = edx >> ( 2 );
ebx = ( ((CMV2Dot3D *)ebx)->CMV2Dot3D__m_pPos );
ecx = ( ((CMV2Dot3D *)ecx)->CMV2Dot3D__m_pPos );
//eax - ecx: pDot3DPos1 - pDot3DPos3
pcTexture = edx;
edx = ( ((CMV2Dot3DPos *)eax)->CMV2Dot3DPos__m_iScreenY );
esi = ( ((CMV2Dot3DPos *)ebx)->CMV2Dot3DPos__m_iScreenY );
edi = ( ((CMV2Dot3DPos *)ecx)->CMV2Dot3DPos__m_iScreenY );
eax = pDot1;
ebx = pDot2;
ecx = pDot3;
// find dot with smallest y
if (edx <= esi) goto MV2DrawPolygonTfTrASM_Dot1YSmallerDot2Y; // dot1.y <= dot2.y
if (esi <= edi) goto MV2DrawPolygonTfTrASM_Dot2YSmallest; // dot2.y <(=) dot3.y&dot1.y
goto MV2DrawPolygonTfTrASM_Dot3YSmallest; // dot3.y < dot2.y&dot1.y
MV2DrawPolygonTfTrASM_Dot1YSmallerDot2Y:
if (edx >= edi) goto MV2DrawPolygonTfTrASM_Dot3YSmallest; // dot3.y < dot1.y&dot2.y
//MV2DrawPolygonTfTrASM_Dot1YSmallest:
edx = eax;
esi = ebx;
edi = ecx;
goto MV2DrawPolygonTfTrASM_DotsSorted;
MV2DrawPolygonTfTrASM_Dot2YSmallest:
edx = ebx;
esi = ecx;
edi = eax;
goto MV2DrawPolygonTfTrASM_DotsSorted;
MV2DrawPolygonTfTrASM_Dot3YSmallest:
edx = ecx;
esi = eax;
edi = ebx;
goto MV2DrawPolygonTfTrASM_DotsSorted;
MV2DrawPolygonTfTrASM_DotsSorted:
// edx = pDot1
// esi = pDot2
// edi = pDot3
pDot1 = edx;
pDot2 = esi;
pDot3 = edi;
edx = ( ((CMV2Dot3D *)edx)->CMV2Dot3D__m_pPos );
esi = ( ((CMV2Dot3D *)esi)->CMV2Dot3D__m_pPos );
edi = ( ((CMV2Dot3D *)edi)->CMV2Dot3D__m_pPos );
eax = ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_iScreenY );
ebx = ( ((CMV2Dot3DPos *)esi)->CMV2Dot3DPos__m_iScreenY );
ecx = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenY );
if (eax == ebx) goto MV2DrawPolygonTfTrASM_PolygonType4;
if (ebx == ecx) goto MV2DrawPolygonTfTrASM_PolygonType3;
if (ebx < ecx) goto MV2DrawPolygonTfTrASM_PolygonType2;
//=============> <==============
//=============> Polygon Type 1 <==============
//=============> <==============
//MV2DrawPolygonTfTrASM_PolygonType1:
// edx = pDot1
// esi = pDot2
// edi = pDot3
fpu_reg10 = ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fScreenY );
fpu_reg11 = ( ((CMV2Dot3DPos *)esi)->CMV2Dot3DPos__m_fScreenY );
fpu_reg12 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenY );
//st0 = (y3), st1 = (y2), st2 = (y1)
fpu_reg13 = fpu_reg11;
fpu_reg13 = fpu_reg13 - fpu_reg12;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
//st0 = (y3), st1 = (y2 - y3), st2 = (y2), st3 = (y1)
fpu_reg13 = fpu_reg13 - fpu_reg10;
{ float tmp = fpu_reg11; fpu_reg11 = fpu_reg13; fpu_reg13 = tmp; }
//st0 = (y2), st1 = (y2 - y3), st2 = (y3 - y1), st3 = (y1)
fpu_reg13 = fpu_reg13 - fpu_reg10;
{ float tmp = fpu_reg11; fpu_reg11 = fpu_reg13; fpu_reg13 = tmp; }
//st0 = (y3 - y1), st1 = (y2 - y3), st2 = (y2 - y1), st3 = (y1)
fYCounter1 = fpu_reg13;
fpu_reg14 = 1.0f;
fpu_reg11 = fpu_reg14 / fpu_reg11;
eax = dwXmax;
ebx = ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_iScreenY );
ebx = ebx - 1; // subpixel/clipping reason
eax = ( (int32_t)eax ) * ( (int32_t)ebx );
eax = eax + pcBackBuffer;
dwYOffset1 = eax;
fpu_reg14 = 1.0f;
fpu_reg12 = fpu_reg14 / fpu_reg12;
eax = dwXmax;
ebx = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenY );
ebx = ebx - 1;
eax = ( (int32_t)eax ) * ( (int32_t)ebx );
eax = eax + pcBackBuffer;
dwYOffset2 = eax;
fpu_reg14 = 1.0f;
fpu_reg13 = fpu_reg14 / fpu_reg13;
eax = ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_iScreenY );
ebx = ( ((CMV2Dot3DPos *)esi)->CMV2Dot3DPos__m_iScreenY );
ecx = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenY );
ebp = ebx;
ebp = ebp - eax;
dwYCounter = ebp;
ebp = ecx;
ebp = ebp - eax;
dwYCounter1 = ebp;
ebp = ebx;
ebp = ebp - ecx;
dwYCounter2 = ebp;
// fpu_reg10 = 0.0f;
//st0 = 1/(y3 - y1), st1 = 1/(y2 - y3), st2 = 1/(y2 - y1)
//===> <===
//===> Screen Delta Calculation { <===
//===> <===
//st0 = 1/YCounter1, st1 = 1/YCounter2, st2 = 1/YCounter
fpu_reg14 = ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fScreenX );
fpu_reg15 = ( ((CMV2Dot3DPos *)esi)->CMV2Dot3DPos__m_fScreenX );
fpu_reg16 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenX );
//st0 = (x3), st1 = (x2), st2 = (x1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg15;
fpu_reg17 = fpu_reg17 - fpu_reg16;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
fpu_reg17 = fpu_reg17 * fpu_reg12;
{ float tmp = fpu_reg15; fpu_reg15 = fpu_reg17; fpu_reg17 = tmp; }
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
fpu_reg17 = fpu_reg17 * fpu_reg13;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg17; fpu_reg17 = tmp; }
//ffree st
//fincstp
fpu_reg16 = fpu_reg16 * fpu_reg11;
//st0 = DeltaScreenX, st1 = DeltaScreenX2,
//st2 = DeltaScreenX1, st3 = 1/YCounter1,
//st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg17 = ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fScreenYError );
fpu_reg18 = fpu_reg17;
fpu_reg18 = fpu_reg18 * fpu_reg14;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
fpu_reg18 = fpu_reg18 * fpu_reg16;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
fpu_reg18 = fpu_reg18 + ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fScreenX );
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
fpu_reg18 = fpu_reg18 + ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fScreenX );
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenX1
//st1 = ScreenX2
//st2 = DeltaScreenX, st3 = DeltaScreenX2
//st4 = DeltaScreenX1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
dwScreenX1 = (int32_t)ceilf(fpu_reg18);
fpu_reg18 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenYError );
fpu_reg18 = fpu_reg18 * fpu_reg15;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = dwScreenX2
//st1 = ScreenYError3*DeltaScreenX2
//st2 = DeltaScreenX, st3 = DeltaScreenX2
//st4 = DeltaScreenX1, st5 = 1/YCounter13
//st6 = 1/YCounter32, st7 = 1/YCounter12
dwScreenX2 = (int32_t)ceilf(fpu_reg18);
fpu_reg17 = fpu_reg17 + ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenX );
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = DeltaScreenX1
//st1 = DeltaScreenX, st2 = DeltaScreenX2
//st3 = ScreenYError3*DeltaScreenX3 + ScreenX3, st4 = 1/YCounter13
//st5 = 1/YCounter32, st6 = 1/YCounter12
dwDeltaScreenX1 = (int32_t)ceilf(fpu_reg17);
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg15; fpu_reg15 = tmp; }
//st0 = DeltaScreenX3, st1 = DeltaScreenX2
//st2 = ScreenYError3*DeltaScreenX3 + ScreenX3, st3 = 1/YCounter13
//st4 = 1/YCounter32, st5 = 1/YCounter12
dwDeltaScreenX2 = (int32_t)ceilf(fpu_reg16);
{ float tmp = fpu_reg15; fpu_reg15 = fpu_reg14; fpu_reg14 = tmp; }
//st0 = ScreenYError3*DeltaScreenX3 + ScreenX3
//st1 = DeltaScreenX2, st2 = 1/YCounter13
//st3 = 1/YCounter32, st4 = 1/YCounter12
dwScreenX3 = (int32_t)ceilf(fpu_reg15);
//===> max_x_counter calculation { <===
//st0 = DeltaScreenX
//st1 = 1/YCounter13, st2 = 1/YCounter32, st3 = 1/YCounter12
fpu_reg15 = fYCounter1;
fpu_reg15 = fpu_reg15 * fpu_reg14;
fpu_reg15 = fpu_reg15 + ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fScreenX );
fpu_reg15 = fpu_reg15 - ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenX ); //fp dep.
dwMaxXCounter = (int32_t)ceilf(fpu_reg15);
fpu_reg16 = 1.0f;
fpu_reg15 = fpu_reg16 / fpu_reg15;
fMaxXCounterRZP = fpu_reg15; //fp dep.
//===> max_x_counter calculation } <===
dwDeltaScreenX = (int32_t)ceilf(fpu_reg14);
//===> <===
//===> Screen Delta Calculation } <===
//===> <===
//st0 = 1/YCounter1, st1 = 1/YCounter2, st2 = 1/YCounter
ebx = dwYCounter;
if (ebx >= ( dwSpanLength )) goto MV2DrawPolygonTfTrASM_PerspPT1;
eax = ( ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_iScreenX );
ebx = ( ((CMV2Dot3DPos *)esi)->CMV2Dot3DPos__m_iScreenX );
ebp = eax;
ecx = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenX );
eax = eax - ebx; // p1 - p2
ebx = ebx - ecx; // p2 - p3
ecx = ecx - ebp; // p3 - p1
if ( (( (int32_t)eax ) - ( 0 )) >= 0) goto MV2DrawPolygonTfTrASM_PerspCheck1PT1;
eax = - ( (int32_t)eax );
MV2DrawPolygonTfTrASM_PerspCheck1PT1:
if ( (( (int32_t)ebx ) - ( 0 )) >= 0) goto MV2DrawPolygonTfTrASM_PerspCheck2PT1;
ebx = - ( (int32_t)ebx );
MV2DrawPolygonTfTrASM_PerspCheck2PT1:
if ( (( (int32_t)ecx ) - ( 0 )) >= 0) goto MV2DrawPolygonTfTrASM_PerspCheck3PT1;
ecx = - ( (int32_t)ecx );
MV2DrawPolygonTfTrASM_PerspCheck3PT1:
if (eax >= ( dwSpanLength )) goto MV2DrawPolygonTfTrASM_PerspPT1;
if (ebx >= ( dwSpanLength )) goto MV2DrawPolygonTfTrASM_PerspPT1;
if (ecx >= ( dwSpanLength )) goto MV2DrawPolygonTfTrASM_PerspPT1;
goto MV2DrawPolygonTfTrASM_LinearPolygonType1;
MV2DrawPolygonTfTrASM_PerspPT1:
fOneDivZ1NSBC = ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fZNewRZP;
fOneDivZ2NSBC = ((CMV2Dot3DPos *)esi)->CMV2Dot3DPos__m_fZNewRZP;
fOneDivZ3NSBC = ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fZNewRZP;
fScreenYError1 = ((CMV2Dot3DPos *)edx)->CMV2Dot3DPos__m_fScreenYError;
fScreenYError3 = ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenYError;
edx = pDot1;
esi = pDot2;
edi = pDot3;
//===> <===
//===> TextureUDivZ DeltaY Calculation { <===
//===> <===
//st0=1/YCounter1, st1=1/YCounter2, st2=1/YCounter
fpu_reg14 = ( ((CMV2Dot3D *)edx)->CMV2Dot3D__m_fTextureU );
fpu_reg14 = fpu_reg14 * fOneDivZ1NSBC;
fpu_reg15 = ( ((CMV2Dot3D *)esi)->CMV2Dot3D__m_fTextureU );
fpu_reg15 = fpu_reg15 * fOneDivZ2NSBC;
fpu_reg16 = ( ((CMV2Dot3D *)edi)->CMV2Dot3D__m_fTextureU );
fpu_reg16 = fpu_reg16 * fOneDivZ3NSBC;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg16; fpu_reg16 = tmp; }
fTextureUDivZ1NSBC = fpu_reg16;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg16; fpu_reg16 = tmp; }
fTextureUDivZ3NSBC = fpu_reg16;
//st0 = (tu3/z3), st1 = (tu2/z2), st2 = (tu1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg15;
fpu_reg17 = fpu_reg17 - fpu_reg16;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (tu3/z3), st1 = (tu2/z2 - tu3/z3), st2 = (tu2/z2)
//st3 = (tu1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (tu2/z2 - tu3/z3), st1 = (tu3/z3 - tu1/z1)
//st2 = (tu2/z2), st3 = (tu1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 * fpu_reg12;
{ float tmp = fpu_reg15; fpu_reg15 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = (tu2/z2), st1 = (tu3/z3 - tu1/z1)
//st2 = (tu2/z2 - tu3/z3)/YCounter2, st3 = (tu1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (tu3/z3 - tu1/z1), st1 = (tu2/z2 - tu1/z1)
//st2 = (tu2/z2 - tu3/z3)/YCounter2,
//st3 = (tu1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 * fpu_reg13;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = (tu1/z1), st1 = (tu2/z2 - tu1/z1),
//st2 = (tu3/z3 - tu2/z2)/YCounter2
//st3 = (tu3/z3 - tu1/z1)/YCounter1
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
//ffree st
//fincstp
//st0 = (tu2/z2 - tu1/z1), st1 = (tu3/z3 - tu2/z2)/YCounter2
//st2 = (tu3/z3 - tu1/z1)/YCounter1
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 * fpu_reg11;
//st0 = TextureUDivZdY, st1 = TextureUDivZdY2
//st2 = TextureUDivZdY1, st3 = 1/YCounter1
//st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg17 = fScreenYError1;
fpu_reg18 = fScreenYError3;
//st0 = ScreenYError3, st1 = ScreenYError1
//st2 = TextureUDivZdY, st3 = TextureUDivZdY2
//st4 = TextureUDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 * fpu_reg15;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError1, st1 = ScreenYError3*TextureUDivZdY2
//st2 = TextureUDivZdY, st3 = TextureUDivZdY2
//st4 = TextureUDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 * fpu_reg14;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError3*TextureUDivZdY2
//st1 = ScreenYError1*TextureUDivZdY1
//st2 = TextureUDivZdY, st3 = TextureUDivZdY2
//st4 = TextureUDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 + fTextureUDivZ3NSBC;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError1*TextureUDivZdY1
//st1 = ScreenYError3*TextureUDivZdY2 + TextureU3
//st2 = TextureUDivZdY, st3 = TextureUDivZdY2
//st4 = TextureUDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 + fTextureUDivZ1NSBC;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError3*TextureUDivZdY2 + TextureU3
//st1 = ScreenYError1*TextureUDivZdY1 + TextureU1
//st2 = TextureUDivZdY, st3 = TextureUDivZdY2
//st4 = TextureUDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fTextureUDivZ3 = fpu_reg18;
fTextureUDivZ1 = fpu_reg17;
fTextureUDivZdY = fpu_reg16;
fTextureUDivZdY2 = fpu_reg15;
fTextureUDivZdY1 = fpu_reg14;
//===> <===
//===> TextureUDivZ DeltaY Calculation } <===
//===> <===
//===> <===
//===> TextureVDivZ DeltaY Calculation { <===
//===> <===
//st0=1/YCounter1, st1=1/YCounter2, st2=1/YCounter
fpu_reg14 = ( ((CMV2Dot3D *)edx)->CMV2Dot3D__m_fTextureV );
fpu_reg14 = fpu_reg14 * fOneDivZ1NSBC;
fpu_reg15 = ( ((CMV2Dot3D *)esi)->CMV2Dot3D__m_fTextureV );
fpu_reg15 = fpu_reg15 * fOneDivZ2NSBC;
fpu_reg16 = ( ((CMV2Dot3D *)edi)->CMV2Dot3D__m_fTextureV );
fpu_reg16 = fpu_reg16 * fOneDivZ3NSBC;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg16; fpu_reg16 = tmp; }
fTextureVDivZ1NSBC = fpu_reg16;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg16; fpu_reg16 = tmp; }
fTextureVDivZ3NSBC = fpu_reg16;
//st0 = (tv3/z3), st1 = (tv2/z2), st2 = (tv1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg15;
fpu_reg17 = fpu_reg17 - fpu_reg16;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (tv3/z3), st1 = (tv2/z2 - tv3/z3), st2 = (tv2/z2)
//st3 = (tv1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (tv2/z2 - tv3/z3), st1 = (tv3/z3 - tv1/z1)
//st2 = (tv2/z2), st3 = (tv1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 * fpu_reg12;
{ float tmp = fpu_reg15; fpu_reg15 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = (tv2/z2), st1 = (tv3/z3 - tv1/z1)
//st2 = (tv2/z2 - tv3/z3)/YCounter2, st3 = (tv1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (tv3/z3 - tv1/z1), st1 = (tv2/z2 - tv1/z1)
//st2 = (tv2/z2 - tv3/z3)/YCounter2,
//st3 = (tv1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 * fpu_reg13;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = (tv1/z1), st1 = (tv2/z2 - tv1/z1),
//st2 = (tv3/z3 - tv2/z2)/YCounter2
//st3 = (tv3/z3 - tv1/z1)/YCounter1
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
//ffree st
//fincstp
//st0 = (tv2/z2 - tv1/z1), st1 = (tv3/z3 - tv2/z2)/YCounter2
//st2 = (tv3/z3 - tv1/z1)/YCounter1
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 * fpu_reg11;
//st0 = TextureVDivZdY, st1 = TextureVDivZdY2
//st2 = TextureVDivZdY1, st3 = 1/YCounter1
//st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg17 = fScreenYError1;
fpu_reg18 = fScreenYError3;
//st0 = ScreenYError3, st1 = ScreenYError1
//st2 = TextureVDivZdY, st3 = TextureVDivZdY2
//st4 = TextureVDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 * fpu_reg15;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError1, st1 = ScreenYError3*TextureVDivZdY2
//st2 = TextureVDivZdY, st3 = TextureVDivZdY2
//st4 = TextureVDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 * fpu_reg14;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError3*TextureVDivZdY2
//st1 = ScreenYError1*TextureVDivZdY1
//st2 = TextureVDivZdY, st3 = TextureVDivZdY2
//st4 = TextureVDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 + fTextureVDivZ3NSBC;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError1*TextureVDivZdY1
//st1 = ScreenYError3*TextureVDivZdY2 + TextureV3
//st2 = TextureVDivZdY, st3 = TextureVDivZdY2
//st4 = TextureVDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 + fTextureVDivZ1NSBC;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError3*TextureVDivZdY2 + TextureV3
//st1 = ScreenYError1*TextureVDivZdY1 + TextureV1
//st2 = TextureVDivZdY, st3 = TextureVDivZdY2
//st4 = TextureVDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fTextureVDivZ3 = fpu_reg18;
fTextureVDivZ1 = fpu_reg17;
fTextureVDivZdY = fpu_reg16;
fTextureVDivZdY2 = fpu_reg15;
fTextureVDivZdY1 = fpu_reg14;
//===> <===
//===> TextureVDivZ DeltaY Calculation } <===
//===> <===
//===> <===
//===> OneDivZ DeltaY Calculation { <===
//===> <===
//st0=1/YCounter1, st1=1/YCounter2, st2=1/YCounter
fpu_reg14 = fOneDivZ1NSBC;
fpu_reg15 = fOneDivZ2NSBC;
fpu_reg16 = fOneDivZ3NSBC;
//st0 = (1/z3), st1 = (1/z2), st2 = (1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg15;
fpu_reg17 = fpu_reg17 - fpu_reg16;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (1/z3), st1 = (1/z2 - 1/z3), st2 = (1/z2)
//st3 = (1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (1/z2 - 1/z3), st1 = (1/z3 - 1/z1)
//st2 = (1/z2), st3 = (1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 * fpu_reg12;
{ float tmp = fpu_reg15; fpu_reg15 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = (1/z2), st1 = (1/z3 - 1/z1)
//st2 = (1/z2 - 1/z3)/YCounter2, st3 = (1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 - fpu_reg14;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = (1/z3 - 1/z1), st1 = (1/z2 - 1/z1)
//st2 = (1/z2 - 1/z3)/YCounter2,
//st3 = (1/z1)
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 * fpu_reg13;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = (1/z1), st1 = (1/z2 - 1/z1),
//st2 = (1/z3 - 1/z2)/YCounter2
//st3 = (1/z3 - 1/z1)/YCounter1
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
//ffree st
//fincstp
//st0 = (1/z2 - 1/z1), st1 = (1/z3 - 1/z2)/YCounter2
//st2 = (1/z3 - 1/z1)/YCounter1
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 * fpu_reg11;
//st0 = OneDivZdY, st1 = OneDivZdY2
//st2 = OneDivZdY1, st3 = 1/YCounter1
//st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg17 = fScreenYError1;
fpu_reg18 = fScreenYError3;
//st0 = ScreenYError3, st1 = ScreenYError1
//st2 = OneDivZdY, st3 = OneDivZdY2
//st4 = OneDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 * fpu_reg15;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError1, st1 = ScreenYError3*OneDivZdY2
//st2 = OneDivZdY, st3 = OneDivZdY2
//st4 = OneDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 * fpu_reg14;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError3*OneDivZdY2
//st1 = ScreenYError1*OneDivZdY1
//st2 = OneDivZdY, st3 = OneDivZdY2
//st4 = OneDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 + fOneDivZ3NSBC;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError1*OneDivZdY1
//st1 = ScreenYError3*OneDivZdY2 + OneDivZ3
//st2 = OneDivZdY, st3 = OneDivZdY2
//st4 = OneDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fpu_reg18 = fpu_reg18 + fOneDivZ1NSBC;
{ float tmp = fpu_reg18; fpu_reg18 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = ScreenYError3*OneDivZdY2 + OneDivZ3
//st1 = ScreenYError1*OneDivZdY1 + OneDivZ1
//st2 = OneDivZdY, st3 = OneDivZdY2
//st4 = OneDivZdY1, st5 = 1/YCounter1
//st6 = 1/YCounter2, st7 = 1/YCounter
fOneDivZ3 = fpu_reg18;
fOneDivZ1 = fpu_reg17;
fOneDivZdY = fpu_reg16;
fOneDivZdY2 = fpu_reg15;
fOneDivZdY1 = fpu_reg14;
//===> <===
//===> OneDivZ DeltaY Calculation } <===
//===> <===
//===> <===
//===> TextureU&VDivZ DeltaX Calculation { <===
//===> <===
fpu_reg14 = fMaxXCounterRZP;
fpu_reg14 = fpu_reg14 * fNum_2EXP20;
fpu_reg15 = fYCounter1;
fpu_reg16 = fTextureVDivZdY;
fpu_reg17 = fTextureUDivZdY;
//st0 = TextureUDivZdY, st1 = TextureVDivZdY
//st2 = YCounter1, st3 = 1/MaxXCounter
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg17 = fpu_reg17 * fpu_reg15;
{ float tmp = fpu_reg17; fpu_reg17 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = TextureVDivZDY, st1 = YCounter1*TextureUDivZDY
//st2 = YCounter1, st3 = 1/MaxXCounter
//st4 = 1/YCounter1, st5 = 1/YCounter2, st6 = 1/YCounter
fpu_reg15 = fpu_reg15 * fpu_reg17; // fmul stall (+ 1 Cycle)
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg15; fpu_reg15 = tmp; }
//st0 = YCounter1*TextureVDivZDY, st1 = YCounter1*TextureUDivZDY
//st2 = 1/MaxXCounter
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 + fTextureVDivZ1NSBC;
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg15; fpu_reg15 = tmp; }
//st0 = YCounter1*TextureUDivZDY
//st1 = YCounter1*TextureVDivZDY + TextureVDivZ1
//st2 = 1/MaxXCounter
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 + fTextureUDivZ1NSBC;
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg15; fpu_reg15 = tmp; }
//st0 = YCounter1*TextureVDivZDY + TextureVDivZ1
//st1 = YCounter1*TextureUDivZDY + TextureUDivZ1
//st2 = 1/MaxXCounter
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 - fTextureVDivZ3NSBC;
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg15; fpu_reg15 = tmp; }
//st0 = YCounter1*TextureUDivZDY + TextureUDivZ1
//st1 = YCounter1*TextureVDivZDY + TextureVDivZ1 - TextureVDivZ3
//st2 = 1/MaxXCounter
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 - fTextureUDivZ3NSBC;
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg15; fpu_reg15 = tmp; }
//st0 = YCounter1*TextureVDivZDY + TextureVDivZ1 - TextureVDivZ3
//st1 = YCounter1*TextureUDivZDY + TextureUDivZ1 - TextureUDivZ3
//st2 = 1/MaxXCounter
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter
fpu_reg16 = fpu_reg16 * fpu_reg14;
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg15; fpu_reg15 = tmp; }
//st0 = YCounter1*TextureUDivZDY + TextureUDivZ1 - TextureUDivZ3
//st1 = TextureVDivZdX
//st2 = 1/MaxXCounter
//st3 = 1/YCounter1, st4 = 1/YCounter2, st5 = 1/YCounter