-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathm2ptf.cc
5676 lines (4585 loc) · 169 KB
/
m2ptf.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#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,
0.0625};
#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 (?)
//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 InitFltJumpTableTASM(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 MV2DrawPolygonTfASM(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 MV2DrawPolygonTfASM_Dot1YSmallerDot2Y; // dot1.y <= dot2.y
if (esi <= edi) goto MV2DrawPolygonTfASM_Dot2YSmallest; // dot2.y <(=) dot3.y&dot1.y
goto MV2DrawPolygonTfASM_Dot3YSmallest; // dot3.y < dot2.y&dot1.y
MV2DrawPolygonTfASM_Dot1YSmallerDot2Y:
if (edx >= edi) goto MV2DrawPolygonTfASM_Dot3YSmallest; // dot3.y < dot1.y&dot2.y
//MV2DrawPolygonTfASM_Dot1YSmallest:
edx = eax;
esi = ebx;
edi = ecx;
goto MV2DrawPolygonTfASM_DotsSorted;
MV2DrawPolygonTfASM_Dot2YSmallest:
edx = ebx;
esi = ecx;
edi = eax;
goto MV2DrawPolygonTfASM_DotsSorted;
MV2DrawPolygonTfASM_Dot3YSmallest:
edx = ecx;
esi = eax;
edi = ebx;
goto MV2DrawPolygonTfASM_DotsSorted;
MV2DrawPolygonTfASM_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 MV2DrawPolygonTfASM_PolygonType4;
if (ebx == ecx) goto MV2DrawPolygonTfASM_PolygonType3;
if (ebx < ecx) goto MV2DrawPolygonTfASM_PolygonType2;
//=============> <==============
//=============> Polygon Type 1 <==============
//=============> <==============
//MV2DrawPolygonTfASM_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 MV2DrawPolygonTfASM_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 MV2DrawPolygonTfASM_PerspCheck1PT1;
eax = - ( (int32_t)eax );
MV2DrawPolygonTfASM_PerspCheck1PT1:
if ( (( (int32_t)ebx ) - ( 0 )) >= 0) goto MV2DrawPolygonTfASM_PerspCheck2PT1;
ebx = - ( (int32_t)ebx );
MV2DrawPolygonTfASM_PerspCheck2PT1:
if ( (( (int32_t)ecx ) - ( 0 )) >= 0) goto MV2DrawPolygonTfASM_PerspCheck3PT1;
ecx = - ( (int32_t)ecx );
MV2DrawPolygonTfASM_PerspCheck3PT1:
if (eax >= ( dwSpanLength )) goto MV2DrawPolygonTfASM_PerspPT1;
if (ebx >= ( dwSpanLength )) goto MV2DrawPolygonTfASM_PerspPT1;
if (ecx >= ( dwSpanLength )) goto MV2DrawPolygonTfASM_PerspPT1;
goto MV2DrawPolygonTfASM_LinearPolygonType1;
MV2DrawPolygonTfASM_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