summaryrefslogtreecommitdiffstats
path: root/src/video_core/engines/maxwell_3d.h
blob: 5f9eb208c3d0c5d4189cbac96f8af064f350564d (plain) (blame)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <array>
#include <bitset>
#include <cmath>
#include <limits>
#include <optional>
#include <type_traits>
#include <vector>

#include "common/assert.h"
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/math_util.h"
#include "video_core/engines/const_buffer_info.h"
#include "video_core/engines/engine_interface.h"
#include "video_core/engines/engine_upload.h"
#include "video_core/gpu.h"
#include "video_core/macro/macro.h"
#include "video_core/textures/texture.h"

namespace Core {
class System;
}

namespace Tegra {
class MemoryManager;
}

namespace VideoCore {
class RasterizerInterface;
}

namespace Tegra::Engines {

/**
 * This Engine is known as GF100_3D. Documentation can be found in:
 * https://github.com/envytools/envytools/blob/master/rnndb/graph/gf100_3d.xml
 * https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/nvc0/nvc0_3d.xml.h
 */

#define MAXWELL3D_REG_INDEX(field_name)                                                            \
    (offsetof(Tegra::Engines::Maxwell3D::Regs, field_name) / sizeof(u32))

class Maxwell3D final : public EngineInterface {
public:
    explicit Maxwell3D(Core::System& system, MemoryManager& memory_manager);
    ~Maxwell3D();

    /// Binds a rasterizer to this engine.
    void BindRasterizer(VideoCore::RasterizerInterface* rasterizer);

    /// Register structure of the Maxwell3D engine.
    /// TODO(Subv): This structure will need to be made bigger as more registers are discovered.
    struct Regs {
        static constexpr std::size_t NUM_REGS = 0xE00;

        static constexpr std::size_t NumRenderTargets = 8;
        static constexpr std::size_t NumViewports = 16;
        static constexpr std::size_t NumCBData = 16;
        static constexpr std::size_t NumVertexArrays = 32;
        static constexpr std::size_t NumVertexAttributes = 32;
        static constexpr std::size_t NumVaryings = 31;
        static constexpr std::size_t NumImages = 8; // TODO(Rodrigo): Investigate this number
        static constexpr std::size_t NumClipDistances = 8;
        static constexpr std::size_t NumTransformFeedbackBuffers = 4;
        static constexpr std::size_t MaxShaderProgram = 6;
        static constexpr std::size_t MaxShaderStage = 5;
        // Maximum number of const buffers per shader stage.
        static constexpr std::size_t MaxConstBuffers = 18;
        static constexpr std::size_t MaxConstBufferSize = 0x10000;

        enum class QueryOperation : u32 {
            Release = 0,
            Acquire = 1,
            Counter = 2,
            Trap = 3,
        };

        enum class QueryUnit : u32 {
            VFetch = 1,
            VP = 2,
            Rast = 4,
            StrmOut = 5,
            GP = 6,
            ZCull = 7,
            Prop = 10,
            Crop = 15,
        };

        enum class QuerySelect : u32 {
            Payload = 0,
            TimeElapsed = 2,
            TransformFeedbackPrimitivesGenerated = 11,
            PrimitivesGenerated = 18,
            SamplesPassed = 21,
            TransformFeedbackUnknown = 26,
        };

        struct QueryCompare {
            u32 initial_sequence;
            u32 initial_mode;
            u32 unknown1;
            u32 unknown2;
            u32 current_sequence;
            u32 current_mode;
        };

        enum class QuerySyncCondition : u32 {
            NotEqual = 0,
            GreaterThan = 1,
        };

        enum class ConditionMode : u32 {
            Never = 0,
            Always = 1,
            ResNonZero = 2,
            Equal = 3,
            NotEqual = 4,
        };

        enum class ShaderProgram : u32 {
            VertexA = 0,
            VertexB = 1,
            TesselationControl = 2,
            TesselationEval = 3,
            Geometry = 4,
            Fragment = 5,
        };

        struct VertexAttribute {
            enum class Size : u32 {
                Invalid = 0x0,
                Size_32_32_32_32 = 0x01,
                Size_32_32_32 = 0x02,
                Size_16_16_16_16 = 0x03,
                Size_32_32 = 0x04,
                Size_16_16_16 = 0x05,
                Size_8_8_8_8 = 0x0a,
                Size_16_16 = 0x0f,
                Size_32 = 0x12,
                Size_8_8_8 = 0x13,
                Size_8_8 = 0x18,
                Size_16 = 0x1b,
                Size_8 = 0x1d,
                Size_10_10_10_2 = 0x30,
                Size_11_11_10 = 0x31,
            };

            enum class Type : u32 {
                SignedNorm = 1,
                UnsignedNorm = 2,
                SignedInt = 3,
                UnsignedInt = 4,
                UnsignedScaled = 5,
                SignedScaled = 6,
                Float = 7,
            };

            union {
                BitField<0, 5, u32> buffer;
                BitField<6, 1, u32> constant;
                BitField<7, 14, u32> offset;
                BitField<21, 6, Size> size;
                BitField<27, 3, Type> type;
                BitField<31, 1, u32> bgra;
                u32 hex;
            };

            u32 ComponentCount() const {
                switch (size) {
                case Size::Size_32_32_32_32:
                    return 4;
                case Size::Size_32_32_32:
                    return 3;
                case Size::Size_16_16_16_16:
                    return 4;
                case Size::Size_32_32:
                    return 2;
                case Size::Size_16_16_16:
                    return 3;
                case Size::Size_8_8_8_8:
                    return 4;
                case Size::Size_16_16:
                    return 2;
                case Size::Size_32:
                    return 1;
                case Size::Size_8_8_8:
                    return 3;
                case Size::Size_8_8:
                    return 2;
                case Size::Size_16:
                    return 1;
                case Size::Size_8:
                    return 1;
                case Size::Size_10_10_10_2:
                    return 4;
                case Size::Size_11_11_10:
                    return 3;
                default:
                    ASSERT(false);
                    return 1;
                }
            }

            u32 SizeInBytes() const {
                switch (size) {
                case Size::Size_32_32_32_32:
                    return 16;
                case Size::Size_32_32_32:
                    return 12;
                case Size::Size_16_16_16_16:
                    return 8;
                case Size::Size_32_32:
                    return 8;
                case Size::Size_16_16_16:
                    return 6;
                case Size::Size_8_8_8_8:
                    return 4;
                case Size::Size_16_16:
                    return 4;
                case Size::Size_32:
                    return 4;
                case Size::Size_8_8_8:
                    return 3;
                case Size::Size_8_8:
                    return 2;
                case Size::Size_16:
                    return 2;
                case Size::Size_8:
                    return 1;
                case Size::Size_10_10_10_2:
                    return 4;
                case Size::Size_11_11_10:
                    return 4;
                default:
                    ASSERT(false);
                    return 1;
                }
            }

            std::string SizeString() const {
                switch (size) {
                case Size::Size_32_32_32_32:
                    return "32_32_32_32";
                case Size::Size_32_32_32:
                    return "32_32_32";
                case Size::Size_16_16_16_16:
                    return "16_16_16_16";
                case Size::Size_32_32:
                    return "32_32";
                case Size::Size_16_16_16:
                    return "16_16_16";
                case Size::Size_8_8_8_8:
                    return "8_8_8_8";
                case Size::Size_16_16:
                    return "16_16";
                case Size::Size_32:
                    return "32";
                case Size::Size_8_8_8:
                    return "8_8_8";
                case Size::Size_8_8:
                    return "8_8";
                case Size::Size_16:
                    return "16";
                case Size::Size_8:
                    return "8";
                case Size::Size_10_10_10_2:
                    return "10_10_10_2";
                case Size::Size_11_11_10:
                    return "11_11_10";
                default:
                    ASSERT(false);
                    return {};
                }
            }

            std::string TypeString() const {
                switch (type) {
                case Type::SignedNorm:
                    return "SNORM";
                case Type::UnsignedNorm:
                    return "UNORM";
                case Type::SignedInt:
                    return "SINT";
                case Type::UnsignedInt:
                    return "UINT";
                case Type::UnsignedScaled:
                    return "USCALED";
                case Type::SignedScaled:
                    return "SSCALED";
                case Type::Float:
                    return "FLOAT";
                }
                ASSERT(false);
                return {};
            }

            bool IsNormalized() const {
                return (type == Type::SignedNorm) || (type == Type::UnsignedNorm);
            }

            bool IsValid() const {
                return size != Size::Invalid;
            }

            bool operator<(const VertexAttribute& other) const {
                return hex < other.hex;
            }
        };

        struct MsaaSampleLocation {
            union {
                BitField<0, 4, u32> x0;
                BitField<4, 4, u32> y0;
                BitField<8, 4, u32> x1;
                BitField<12, 4, u32> y1;
                BitField<16, 4, u32> x2;
                BitField<20, 4, u32> y2;
                BitField<24, 4, u32> x3;
                BitField<28, 4, u32> y3;
            };

            constexpr std::pair<u32, u32> Location(int index) const {
                switch (index) {
                case 0:
                    return {x0, y0};
                case 1:
                    return {x1, y1};
                case 2:
                    return {x2, y2};
                case 3:
                    return {x3, y3};
                default:
                    ASSERT(false);
                    return {0, 0};
                }
            }
        };

        enum class DepthMode : u32 {
            MinusOneToOne = 0,
            ZeroToOne = 1,
        };

        enum class PrimitiveTopology : u32 {
            Points = 0x0,
            Lines = 0x1,
            LineLoop = 0x2,
            LineStrip = 0x3,
            Triangles = 0x4,
            TriangleStrip = 0x5,
            TriangleFan = 0x6,
            Quads = 0x7,
            QuadStrip = 0x8,
            Polygon = 0x9,
            LinesAdjacency = 0xa,
            LineStripAdjacency = 0xb,
            TrianglesAdjacency = 0xc,
            TriangleStripAdjacency = 0xd,
            Patches = 0xe,
        };

        // Constants as from NVC0_3D_UNK1970_D3D
        // https://gitlab.freedesktop.org/mesa/mesa/-/blob/main/src/gallium/drivers/nouveau/nvc0/nvc0_3d.xml.h#L1598
        enum class PrimitiveTopologyOverride : u32 {
            None = 0x0,
            Points = 0x1,
            Lines = 0x2,
            LineStrip = 0x3,
            Triangles = 0x4,
            TriangleStrip = 0x5,
            LinesAdjacency = 0xa,
            LineStripAdjacency = 0xb,
            TrianglesAdjacency = 0xc,
            TriangleStripAdjacency = 0xd,
            Patches = 0xe,
        };

        enum class IndexFormat : u32 {
            UnsignedByte = 0x0,
            UnsignedShort = 0x1,
            UnsignedInt = 0x2,
        };

        enum class ComparisonOp : u32 {
            // These values are used by Nouveau and most games, they correspond to the OpenGL token
            // values for these operations.
            Never = 0x200,
            Less = 0x201,
            Equal = 0x202,
            LessEqual = 0x203,
            Greater = 0x204,
            NotEqual = 0x205,
            GreaterEqual = 0x206,
            Always = 0x207,

            // These values are used by some games, they seem to be NV04 values.
            NeverOld = 1,
            LessOld = 2,
            EqualOld = 3,
            LessEqualOld = 4,
            GreaterOld = 5,
            NotEqualOld = 6,
            GreaterEqualOld = 7,
            AlwaysOld = 8,
        };

        enum class LogicOperation : u32 {
            Clear = 0x1500,
            And = 0x1501,
            AndReverse = 0x1502,
            Copy = 0x1503,
            AndInverted = 0x1504,
            NoOp = 0x1505,
            Xor = 0x1506,
            Or = 0x1507,
            Nor = 0x1508,
            Equiv = 0x1509,
            Invert = 0x150A,
            OrReverse = 0x150B,
            CopyInverted = 0x150C,
            OrInverted = 0x150D,
            Nand = 0x150E,
            Set = 0x150F,
        };

        enum class StencilOp : u32 {
            Keep = 1,
            Zero = 2,
            Replace = 3,
            Incr = 4,
            Decr = 5,
            Invert = 6,
            IncrWrap = 7,
            DecrWrap = 8,
            KeepOGL = 0x1E00,
            ZeroOGL = 0,
            ReplaceOGL = 0x1E01,
            IncrOGL = 0x1E02,
            DecrOGL = 0x1E03,
            InvertOGL = 0x150A,
            IncrWrapOGL = 0x8507,
            DecrWrapOGL = 0x8508,
        };

        enum class CounterReset : u32 {
            SampleCnt = 0x01,
            Unk02 = 0x02,
            Unk03 = 0x03,
            Unk04 = 0x04,
            EmittedPrimitives = 0x10, // Not tested
            Unk11 = 0x11,
            Unk12 = 0x12,
            Unk13 = 0x13,
            Unk15 = 0x15,
            Unk16 = 0x16,
            Unk17 = 0x17,
            Unk18 = 0x18,
            Unk1A = 0x1A,
            Unk1B = 0x1B,
            Unk1C = 0x1C,
            Unk1D = 0x1D,
            Unk1E = 0x1E,
            GeneratedPrimitives = 0x1F,
        };

        enum class FrontFace : u32 {
            ClockWise = 0x0900,
            CounterClockWise = 0x0901,
        };

        enum class CullFace : u32 {
            Front = 0x0404,
            Back = 0x0405,
            FrontAndBack = 0x0408,
        };

        struct Blend {
            enum class Equation : u32 {
                Add = 1,
                Subtract = 2,
                ReverseSubtract = 3,
                Min = 4,
                Max = 5,

                // These values are used by Nouveau and some games.
                AddGL = 0x8006,
                MinGL = 0x8007,
                MaxGL = 0x8008,
                SubtractGL = 0x800a,
                ReverseSubtractGL = 0x800b
            };

            enum class Factor : u32 {
                Zero = 0x1,
                One = 0x2,
                SourceColor = 0x3,
                OneMinusSourceColor = 0x4,
                SourceAlpha = 0x5,
                OneMinusSourceAlpha = 0x6,
                DestAlpha = 0x7,
                OneMinusDestAlpha = 0x8,
                DestColor = 0x9,
                OneMinusDestColor = 0xa,
                SourceAlphaSaturate = 0xb,
                Source1Color = 0x10,
                OneMinusSource1Color = 0x11,
                Source1Alpha = 0x12,
                OneMinusSource1Alpha = 0x13,
                ConstantColor = 0x61,
                OneMinusConstantColor = 0x62,
                ConstantAlpha = 0x63,
                OneMinusConstantAlpha = 0x64,

                // These values are used by Nouveau and some games.
                ZeroGL = 0x4000,
                OneGL = 0x4001,
                SourceColorGL = 0x4300,
                OneMinusSourceColorGL = 0x4301,
                SourceAlphaGL = 0x4302,
                OneMinusSourceAlphaGL = 0x4303,
                DestAlphaGL = 0x4304,
                OneMinusDestAlphaGL = 0x4305,
                DestColorGL = 0x4306,
                OneMinusDestColorGL = 0x4307,
                SourceAlphaSaturateGL = 0x4308,
                ConstantColorGL = 0xc001,
                OneMinusConstantColorGL = 0xc002,
                ConstantAlphaGL = 0xc003,
                OneMinusConstantAlphaGL = 0xc004,
                Source1ColorGL = 0xc900,
                OneMinusSource1ColorGL = 0xc901,
                Source1AlphaGL = 0xc902,
                OneMinusSource1AlphaGL = 0xc903,
            };

            u32 separate_alpha;
            Equation equation_rgb;
            Factor factor_source_rgb;
            Factor factor_dest_rgb;
            Equation equation_a;
            Factor factor_source_a;
            Factor factor_dest_a;
            INSERT_PADDING_WORDS_NOINIT(1);
        };

        enum class TessellationPrimitive : u32 {
            Isolines = 0,
            Triangles = 1,
            Quads = 2,
        };

        enum class TessellationSpacing : u32 {
            Equal = 0,
            FractionalOdd = 1,
            FractionalEven = 2,
        };

        enum class PolygonMode : u32 {
            Point = 0x1b00,
            Line = 0x1b01,
            Fill = 0x1b02,
        };

        enum class ShadowRamControl : u32 {
            // write value to shadow ram
            Track = 0,
            // write value to shadow ram ( with validation ??? )
            TrackWithFilter = 1,
            // only write to real hw register
            Passthrough = 2,
            // write value from shadow ram to real hw register
            Replay = 3,
        };

        enum class ViewportSwizzle : u32 {
            PositiveX = 0,
            NegativeX = 1,
            PositiveY = 2,
            NegativeY = 3,
            PositiveZ = 4,
            NegativeZ = 5,
            PositiveW = 6,
            NegativeW = 7,
        };

        enum class SamplerIndex : u32 {
            Independently = 0,
            ViaHeaderIndex = 1,
        };

        struct TileMode {
            union {
                BitField<0, 4, u32> block_width;
                BitField<4, 4, u32> block_height;
                BitField<8, 4, u32> block_depth;
                BitField<12, 1, u32> is_pitch_linear;
                BitField<16, 1, u32> is_3d;
            };
        };
        static_assert(sizeof(TileMode) == 4);

        struct RenderTargetConfig {
            u32 address_high;
            u32 address_low;
            u32 width;
            u32 height;
            Tegra::RenderTargetFormat format;
            TileMode tile_mode;
            union {
                BitField<0, 16, u32> depth;
                BitField<16, 1, u32> volume;
            };
            u32 layer_stride;
            u32 base_layer;
            INSERT_PADDING_WORDS_NOINIT(7);

            GPUVAddr Address() const {
                return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
                                             address_low);
            }
        };

        struct ColorMask {
            union {
                u32 raw;
                BitField<0, 4, u32> R;
                BitField<4, 4, u32> G;
                BitField<8, 4, u32> B;
                BitField<12, 4, u32> A;
            };
        };

        struct ViewportTransform {
            f32 scale_x;
            f32 scale_y;
            f32 scale_z;
            f32 translate_x;
            f32 translate_y;
            f32 translate_z;
            union {
                u32 raw;
                BitField<0, 3, ViewportSwizzle> x;
                BitField<4, 3, ViewportSwizzle> y;
                BitField<8, 3, ViewportSwizzle> z;
                BitField<12, 3, ViewportSwizzle> w;
            } swizzle;
            INSERT_PADDING_WORDS_NOINIT(1);

            Common::Rectangle<f32> GetRect() const {
                return {
                    GetX(),               // left
                    GetY() + GetHeight(), // top
                    GetX() + GetWidth(),  // right
                    GetY()                // bottom
                };
            }

            f32 GetX() const {
                return std::max(0.0f, translate_x - std::fabs(scale_x));
            }

            f32 GetY() const {
                return std::max(0.0f, translate_y - std::fabs(scale_y));
            }

            f32 GetWidth() const {
                return translate_x + std::fabs(scale_x) - GetX();
            }

            f32 GetHeight() const {
                return translate_y + std::fabs(scale_y) - GetY();
            }
        };

        struct ScissorTest {
            u32 enable;
            union {
                BitField<0, 16, u32> min_x;
                BitField<16, 16, u32> max_x;
            };
            union {
                BitField<0, 16, u32> min_y;
                BitField<16, 16, u32> max_y;
            };
            u32 fill;
        };

        struct ViewPort {
            union {
                BitField<0, 16, u32> x;
                BitField<16, 16, u32> width;
            };
            union {
                BitField<0, 16, u32> y;
                BitField<16, 16, u32> height;
            };
            float depth_range_near;
            float depth_range_far;
        };

        struct TransformFeedbackBinding {
            u32 buffer_enable;
            u32 address_high;
            u32 address_low;
            s32 buffer_size;
            s32 buffer_offset;
            INSERT_PADDING_WORDS_NOINIT(3);

            GPUVAddr Address() const {
                return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
                                             address_low);
            }
        };
        static_assert(sizeof(TransformFeedbackBinding) == 32);

        struct TransformFeedbackLayout {
            u32 stream;
            u32 varying_count;
            u32 stride;
            INSERT_PADDING_WORDS_NOINIT(1);
        };
        static_assert(sizeof(TransformFeedbackLayout) == 16);

        bool IsShaderConfigEnabled(std::size_t index) const {
            // The VertexB is always enabled.
            if (index == static_cast<std::size_t>(Regs::ShaderProgram::VertexB)) {
                return true;
            }
            return shader_config[index].enable != 0;
        }

        bool IsShaderConfigEnabled(Regs::ShaderProgram type) const {
            return IsShaderConfigEnabled(static_cast<std::size_t>(type));
        }

        union {
            struct {
                INSERT_PADDING_WORDS_NOINIT(0x44);

                u32 wait_for_idle;

                struct {
                    u32 upload_address;
                    u32 data;
                    u32 entry;
                    u32 bind;
                } macros;

                ShadowRamControl shadow_ram_control;

                INSERT_PADDING_WORDS_NOINIT(0x16);

                Upload::Registers upload;
                struct {
                    union {
                        BitField<0, 1, u32> linear;
                    };
                } exec_upload;

                u32 data_upload;

                INSERT_PADDING_WORDS_NOINIT(0x16);

                u32 force_early_fragment_tests;

                INSERT_PADDING_WORDS_NOINIT(0x2D);

                struct {
                    union {
                        BitField<0, 16, u32> sync_point;
                        BitField<16, 1, u32> unknown;
                        BitField<20, 1, u32> increment;
                    };
                } sync_info;

                INSERT_PADDING_WORDS_NOINIT(0x15);

                union {
                    BitField<0, 2, TessellationPrimitive> prim;
                    BitField<4, 2, TessellationSpacing> spacing;
                    BitField<8, 1, u32> cw;
                    BitField<9, 1, u32> connected;
                } tess_mode;

                std::array<f32, 4> tess_level_outer;
                std::array<f32, 2> tess_level_inner;

                INSERT_PADDING_WORDS_NOINIT(0x10);

                u32 rasterize_enable;

                std::array<TransformFeedbackBinding, NumTransformFeedbackBuffers> tfb_bindings;

                INSERT_PADDING_WORDS_NOINIT(0xC0);

                std::array<TransformFeedbackLayout, NumTransformFeedbackBuffers> tfb_layouts;

                INSERT_PADDING_WORDS_NOINIT(0x1);

                u32 tfb_enabled;

                INSERT_PADDING_WORDS_NOINIT(0x2E);

                std::array<RenderTargetConfig, NumRenderTargets> rt;

                std::array<ViewportTransform, NumViewports> viewport_transform;

                std::array<ViewPort, NumViewports> viewports;

                INSERT_PADDING_WORDS_NOINIT(0x1D);

                struct {
                    u32 first;
                    u32 count;
                } vertex_buffer;

                DepthMode depth_mode;

                float clear_color[4];
                float clear_depth;

                INSERT_PADDING_WORDS_NOINIT(0x3);

                s32 clear_stencil;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                PolygonMode polygon_mode_front;
                PolygonMode polygon_mode_back;

                INSERT_PADDING_WORDS_NOINIT(0x3);

                u32 polygon_offset_point_enable;
                u32 polygon_offset_line_enable;
                u32 polygon_offset_fill_enable;

                u32 patch_vertices;

                INSERT_PADDING_WORDS_NOINIT(0x4);

                u32 fragment_barrier;

                INSERT_PADDING_WORDS_NOINIT(0x7);

                std::array<ScissorTest, NumViewports> scissor_test;

                INSERT_PADDING_WORDS_NOINIT(0x15);

                s32 stencil_back_func_ref;
                u32 stencil_back_mask;
                u32 stencil_back_func_mask;

                INSERT_PADDING_WORDS_NOINIT(0x5);

                u32 invalidate_texture_data_cache;

                INSERT_PADDING_WORDS_NOINIT(0x1);

                u32 tiled_cache_barrier;

                INSERT_PADDING_WORDS_NOINIT(0x4);

                u32 color_mask_common;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                f32 depth_bounds[2];

                INSERT_PADDING_WORDS_NOINIT(0x2);

                u32 rt_separate_frag_data;

                INSERT_PADDING_WORDS_NOINIT(0x1);

                u32 multisample_raster_enable;
                u32 multisample_raster_samples;
                std::array<u32, 4> multisample_sample_mask;

                INSERT_PADDING_WORDS_NOINIT(0x5);

                struct {
                    u32 address_high;
                    u32 address_low;
                    Tegra::DepthFormat format;
                    TileMode tile_mode;
                    u32 layer_stride;

                    GPUVAddr Address() const {
                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
                                                     address_low);
                    }
                } zeta;

                struct {
                    union {
                        BitField<0, 16, u32> x;
                        BitField<16, 16, u32> width;
                    };
                    union {
                        BitField<0, 16, u32> y;
                        BitField<16, 16, u32> height;
                    };
                } render_area;

                INSERT_PADDING_WORDS_NOINIT(0x3F);

                union {
                    BitField<0, 4, u32> stencil;
                    BitField<4, 4, u32> unknown;
                    BitField<8, 4, u32> scissor;
                    BitField<12, 4, u32> viewport;
                } clear_flags;

                INSERT_PADDING_WORDS_NOINIT(0x10);

                u32 fill_rectangle;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                u32 conservative_raster_enable;

                INSERT_PADDING_WORDS_NOINIT(0x5);

                std::array<VertexAttribute, NumVertexAttributes> vertex_attrib_format;

                std::array<MsaaSampleLocation, 4> multisample_sample_locations;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                union {
                    BitField<0, 1, u32> enable;
                    BitField<4, 3, u32> target;
                } multisample_coverage_to_color;

                INSERT_PADDING_WORDS_NOINIT(0x8);

                struct {
                    union {
                        BitField<0, 4, u32> count;
                        BitField<4, 3, u32> map_0;
                        BitField<7, 3, u32> map_1;
                        BitField<10, 3, u32> map_2;
                        BitField<13, 3, u32> map_3;
                        BitField<16, 3, u32> map_4;
                        BitField<19, 3, u32> map_5;
                        BitField<22, 3, u32> map_6;
                        BitField<25, 3, u32> map_7;
                    };

                    u32 Map(std::size_t index) const {
                        const std::array<u32, NumRenderTargets> maps{map_0, map_1, map_2, map_3,
                                                                     map_4, map_5, map_6, map_7};
                        ASSERT(index < maps.size());
                        return maps[index];
                    }
                } rt_control;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                u32 zeta_width;
                u32 zeta_height;
                union {
                    BitField<0, 16, u32> zeta_depth;
                    BitField<16, 1, u32> zeta_volume;
                };

                SamplerIndex sampler_index;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                std::array<u32, 8> gp_passthrough_mask;

                INSERT_PADDING_WORDS_NOINIT(0x1B);

                u32 depth_test_enable;

                INSERT_PADDING_WORDS_NOINIT(0x5);

                u32 independent_blend_enable;

                u32 depth_write_enabled;

                u32 alpha_test_enabled;

                INSERT_PADDING_WORDS_NOINIT(0x6);

                u32 d3d_cull_mode;

                ComparisonOp depth_test_func;
                float alpha_test_ref;
                ComparisonOp alpha_test_func;
                u32 draw_tfb_stride;
                struct {
                    float r;
                    float g;
                    float b;
                    float a;
                } blend_color;

                INSERT_PADDING_WORDS_NOINIT(0x4);

                struct {
                    u32 separate_alpha;
                    Blend::Equation equation_rgb;
                    Blend::Factor factor_source_rgb;
                    Blend::Factor factor_dest_rgb;
                    Blend::Equation equation_a;
                    Blend::Factor factor_source_a;
                    INSERT_PADDING_WORDS_NOINIT(1);
                    Blend::Factor factor_dest_a;

                    u32 enable_common;
                    u32 enable[NumRenderTargets];
                } blend;

                u32 stencil_enable;
                StencilOp stencil_front_op_fail;
                StencilOp stencil_front_op_zfail;
                StencilOp stencil_front_op_zpass;
                ComparisonOp stencil_front_func_func;
                s32 stencil_front_func_ref;
                u32 stencil_front_func_mask;
                u32 stencil_front_mask;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                u32 frag_color_clamp;

                union {
                    BitField<0, 1, u32> y_negate;
                    BitField<4, 1, u32> triangle_rast_flip;
                } screen_y_control;

                float line_width_smooth;
                float line_width_aliased;

                INSERT_PADDING_WORDS_NOINIT(0x1B);

                u32 invalidate_sampler_cache_no_wfi;
                u32 invalidate_texture_header_cache_no_wfi;

                INSERT_PADDING_WORDS_NOINIT(0x2);

                u32 vb_element_base;
                u32 vb_base_instance;

                INSERT_PADDING_WORDS_NOINIT(0x35);

                u32 clip_distance_enabled;

                u32 samplecnt_enable;

                float point_size;

                INSERT_PADDING_WORDS_NOINIT(0x1);

                u32 point_sprite_enable;

                INSERT_PADDING_WORDS_NOINIT(0x3);

                CounterReset counter_reset;

                u32 multisample_enable;

                u32 zeta_enable;

                union {
                    BitField<0, 1, u32> alpha_to_coverage;
                    BitField<4, 1, u32> alpha_to_one;
                } multisample_control;

                INSERT_PADDING_WORDS_NOINIT(0x4);

                struct {
                    u32 address_high;
                    u32 address_low;
                    ConditionMode mode;

                    GPUVAddr Address() const {
                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
                                                     address_low);
                    }
                } condition;

                struct {
                    u32 address_high;
                    u32 address_low;
                    u32 limit;

                    GPUVAddr Address() const {
                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
                                                     address_low);
                    }
                } tsc;

                INSERT_PADDING_WORDS_NOINIT(0x1);

                float polygon_offset_factor;

                u32 line_smooth_enable;

                struct {
                    u32 address_high;
                    u32 address_low;
                    u32 limit;

                    GPUVAddr Address() const {
                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
                                                     address_low);
                    }
                } tic;

                INSERT_PADDING_WORDS_NOINIT(0x5);

                u32 stencil_two_side_enable;
                StencilOp stencil_back_op_fail;
                StencilOp stencil_back_op_zfail;
                StencilOp stencil_back_op_zpass;
                ComparisonOp stencil_back_func_func;

                INSERT_PADDING_WORDS_NOINIT(0x4);

                u32 framebuffer_srgb;

                float polygon_offset_units;

                INSERT_PADDING_WORDS_NOINIT(0x4);

                Tegra::Texture::MsaaMode multisample_mode;

                INSERT_PADDING_WORDS_NOINIT(0xC);

                union {
                    BitField<2, 1, u32> coord_origin;
                    BitField<3, 10, u32> enable;
                } point_coord_replace;

                struct {
                    u32 code_address_high;
                    u32 code_address_low;

                    GPUVAddr CodeAddress() const {
                        return static_cast<GPUVAddr>(
                            (static_cast<GPUVAddr>(code_address_high) << 32) | code_address_low);
                    }
                } code_address;
                INSERT_PADDING_WORDS_NOINIT(1);

                struct {
                    u32 vertex_end_gl;
                    union {
                        u32 vertex_begin_gl;
                        BitField<0, 16, PrimitiveTopology> topology;
                        BitField<26, 1, u32> instance_next;
                        BitField<27, 1, u32> instance_cont;
                    };
                } draw;

                INSERT_PADDING_WORDS_NOINIT(0xA);

                struct {
                    u32 enabled;
                    u32 index;
                } primitive_restart;

                INSERT_PADDING_WORDS_NOINIT(0xE);

                u32 provoking_vertex_last;

                INSERT_PADDING_WORDS_NOINIT(0x50);

                struct {
                    u32 start_addr_high;
                    u32 start_addr_low;
                    u32 end_addr_high;
                    u32 end_addr_low;
                    IndexFormat format;
                    u32 first;
                    u32 count;

                    unsigned FormatSizeInBytes() const {
                        switch (format) {
                        case IndexFormat::UnsignedByte:
                            return 1;
                        case IndexFormat::UnsignedShort:
                            return 2;
                        case IndexFormat::UnsignedInt:
                            return 4;
                        }
                        ASSERT(false);
                        return 1;
                    }

                    GPUVAddr StartAddress() const {
                        return static_cast<GPUVAddr>(
                            (static_cast<GPUVAddr>(start_addr_high) << 32) | start_addr_low);
                    }

                    GPUVAddr EndAddress() const {
                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(end_addr_high) << 32) |
                                                     end_addr_low);
                    }

                    /// Adjust the index buffer offset so it points to the first desired index.
                    GPUVAddr IndexStart() const {
                        return StartAddress() + static_cast<size_t>(first) *
                                                    static_cast<size_t>(FormatSizeInBytes());
                    }
                } index_array;

                union {
                    BitField<0, 16, u32> first;
                    BitField<16, 16, u32> count;
                } small_index;

                union {
                    BitField<0, 16, u32> first;
                    BitField<16, 16, u32> count;
                } small_index_2;

                INSERT_PADDING_WORDS_NOINIT(0x5);

                INSERT_PADDING_WORDS_NOINIT(0x1F);

                float polygon_offset_clamp;

                struct {
                    u32 is_instanced[NumVertexArrays];

                    /// Returns whether the vertex array specified by index is supposed to be
                    /// accessed per instance or not.
                    bool IsInstancingEnabled(std::size_t index) const {
                        return is_instanced[index];
                    }
                } instanced_arrays;

                INSERT_PADDING_WORDS_NOINIT(0x4);

                union {
                    BitField<0, 1, u32> enable;
                    BitField<4, 8, u32> unk4;
                } vp_point_size;

                INSERT_PADDING_WORDS_NOINIT(1);

                u32 cull_test_enabled;
                FrontFace front_face;
                CullFace cull_face;

                u32 pixel_center_integer;

                INSERT_PADDING_WORDS_NOINIT(0x1);

                u32 viewport_transform_enabled;

                INSERT_PADDING_WORDS_NOINIT(0x3);

                union {
                    BitField<0, 1, u32> depth_range_0_1;
                    BitField<3, 1, u32> depth_clamp_near;
                    BitField<4, 1, u32> depth_clamp_far;
                    BitField<11, 1, u32> depth_clamp_disabled;
                } view_volume_clip_control;

                INSERT_PADDING_WORDS_NOINIT(0xC);

                PrimitiveTopologyOverride topology_override;

                INSERT_PADDING_WORDS_NOINIT(0x12);

                u32 depth_bounds_enable;

                INSERT_PADDING_WORDS_NOINIT(1);

                struct {
                    u32 enable;
                    LogicOperation operation;
                } logic_op;

                INSERT_PADDING_WORDS_NOINIT(0x1);

                union {
                    u32 raw;
                    BitField<0, 1, u32> Z;
                    BitField<1, 1, u32> S;
                    BitField<2, 1, u32> R;
                    BitField<3, 1, u32> G;
                    BitField<4, 1, u32> B;
                    BitField<5, 1, u32> A;
                    BitField<6, 4, u32> RT;
                    BitField<10, 11, u32> layer;
                } clear_buffers;
                INSERT_PADDING_WORDS_NOINIT(0xB);
                std::array<ColorMask, NumRenderTargets> color_mask;
                INSERT_PADDING_WORDS_NOINIT(0x38);

                struct {
                    u32 query_address_high;
                    u32 query_address_low;
                    u32 query_sequence;
                    union {
                        u32 raw;
                        BitField<0, 2, QueryOperation> operation;
                        BitField<4, 1, u32> fence;
                        BitField<12, 4, QueryUnit> unit;
                        BitField<16, 1, QuerySyncCondition> sync_cond;
                        BitField<23, 5, QuerySelect> select;
                        BitField<28, 1, u32> short_query;
                    } query_get;

                    GPUVAddr QueryAddress() const {
                        return static_cast<GPUVAddr>(
                            (static_cast<GPUVAddr>(query_address_high) << 32) | query_address_low);
                    }
                } query;

                INSERT_PADDING_WORDS_NOINIT(0x3C);

                struct {
                    union {
                        BitField<0, 12, u32> stride;
                        BitField<12, 1, u32> enable;
                    };
                    u32 start_high;
                    u32 start_low;
                    u32 divisor;

                    GPUVAddr StartAddress() const {
                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(start_high) << 32) |
                                                     start_low);
                    }

                    bool IsEnabled() const {
                        return enable != 0 && StartAddress() != 0;
                    }

                } vertex_array[NumVertexArrays];

                Blend independent_blend[NumRenderTargets];

                struct {
                    u32 limit_high;
                    u32 limit_low;

                    GPUVAddr LimitAddress() const {
                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(limit_high) << 32) |
                                                     limit_low);
                    }
                } vertex_array_limit[NumVertexArrays];

                struct {
                    union {
                        BitField<0, 1, u32> enable;
                        BitField<4, 4, ShaderProgram> program;
                    };
                    u32 offset;
                    INSERT_PADDING_WORDS_NOINIT(14);
                } shader_config[MaxShaderProgram];

                INSERT_PADDING_WORDS_NOINIT(0x60);

                u32 firmware[0x20];

                struct {
                    u32 cb_size;
                    u32 cb_address_high;
                    u32 cb_address_low;
                    u32 cb_pos;
                    std::array<u32, NumCBData> cb_data;

                    GPUVAddr BufferAddress() const {
                        return static_cast<GPUVAddr>(
                            (static_cast<GPUVAddr>(cb_address_high) << 32) | cb_address_low);
                    }
                } const_buffer;

                INSERT_PADDING_WORDS_NOINIT(0x10);

                struct {
                    union {
                        u32 raw_config;
                        BitField<0, 1, u32> valid;
                        BitField<4, 5, u32> index;
                    };
                    INSERT_PADDING_WORDS_NOINIT(7);
                } cb_bind[MaxShaderStage];

                INSERT_PADDING_WORDS_NOINIT(0x56);

                u32 tex_cb_index;

                INSERT_PADDING_WORDS_NOINIT(0x7D);

                std::array<std::array<u8, 128>, NumTransformFeedbackBuffers> tfb_varying_locs;

                INSERT_PADDING_WORDS_NOINIT(0x298);

                struct {
                    /// Compressed address of a buffer that holds information about bound SSBOs.
                    /// This address is usually bound to c0 in the shaders.
                    u32 buffer_address;

                    GPUVAddr BufferAddress() const {
                        return static_cast<GPUVAddr>(buffer_address) << 8;
                    }
                } ssbo_info;

                INSERT_PADDING_WORDS_NOINIT(0x11);

                struct {
                    u32 address[MaxShaderStage];
                    u32 size[MaxShaderStage];
                } tex_info_buffers;

                INSERT_PADDING_WORDS_NOINIT(0xCC);
            };
            std::array<u32, NUM_REGS> reg_array;
        };
    };

    Regs regs{};

    /// Store temporary hw register values, used by some calls to restore state after a operation
    Regs shadow_state;

    static_assert(sizeof(Regs) == Regs::NUM_REGS * sizeof(u32), "Maxwell3D Regs has wrong size");
    static_assert(std::is_trivially_copyable_v<Regs>, "Maxwell3D Regs must be trivially copyable");

    struct State {
        struct ShaderStageInfo {
            std::array<ConstBufferInfo, Regs::MaxConstBuffers> const_buffers;
        };

        std::array<ShaderStageInfo, Regs::MaxShaderStage> shader_stages;

        u32 current_instance = 0; ///< Current instance to be used to simulate instanced rendering.
    };

    State state{};

    /// Reads a register value located at the input method address
    u32 GetRegisterValue(u32 method) const;

    /// Write the value to the register identified by method.
    void CallMethod(u32 method, u32 method_argument, bool is_last_call) override;

    /// Write multiple values to the register identified by method.
    void CallMultiMethod(u32 method, const u32* base_start, u32 amount,
                         u32 methods_pending) override;

    /// Write the value to the register identified by method.
    void CallMethodFromMME(u32 method, u32 method_argument);

    void FlushMMEInlineDraw();

    bool ShouldExecute() const {
        return execute_on;
    }

    VideoCore::RasterizerInterface& Rasterizer() {
        return *rasterizer;
    }

    const VideoCore::RasterizerInterface& Rasterizer() const {
        return *rasterizer;
    }

    enum class MMEDrawMode : u32 {
        Undefined,
        Array,
        Indexed,
    };

    struct MMEDrawState {
        MMEDrawMode current_mode{MMEDrawMode::Undefined};
        u32 current_count{};
        u32 instance_count{};
        bool instance_mode{};
        bool gl_begin_consume{};
        u32 gl_end_count{};
    } mme_draw;

    struct DirtyState {
        using Flags = std::bitset<std::numeric_limits<u8>::max()>;
        using Table = std::array<u8, Regs::NUM_REGS>;
        using Tables = std::array<Table, 2>;

        Flags flags;
        Tables tables{};
    } dirty;

private:
    void InitializeRegisterDefaults();

    void ProcessMacro(u32 method, const u32* base_start, u32 amount, bool is_last_call);

    u32 ProcessShadowRam(u32 method, u32 argument);

    void ProcessDirtyRegisters(u32 method, u32 argument);

    void ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argument, bool is_last_call);

    /// Retrieves information about a specific TIC entry from the TIC buffer.
    Texture::TICEntry GetTICEntry(u32 tic_index) const;

    /// Retrieves information about a specific TSC entry from the TSC buffer.
    Texture::TSCEntry GetTSCEntry(u32 tsc_index) const;

    /**
     * Call a macro on this engine.
     *
     * @param method Method to call
     * @param parameters Arguments to the method call
     */
    void CallMacroMethod(u32 method, const std::vector<u32>& parameters);

    /// Handles writes to the macro uploading register.
    void ProcessMacroUpload(u32 data);

    /// Handles writes to the macro bind register.
    void ProcessMacroBind(u32 data);

    /// Handles firmware blob 4
    void ProcessFirmwareCall4();

    /// Handles a write to the CLEAR_BUFFERS register.
    void ProcessClearBuffers();

    /// Handles a write to the QUERY_GET register.
    void ProcessQueryGet();

    /// Writes the query result accordingly.
    void StampQueryResult(u64 payload, bool long_query);

    /// Handles conditional rendering.
    void ProcessQueryCondition();

    /// Handles counter resets.
    void ProcessCounterReset();

    /// Handles writes to syncing register.
    void ProcessSyncPoint();

    /// Handles a write to the CB_DATA[i] register.
    void ProcessCBData(u32 value);
    void ProcessCBMultiData(const u32* start_base, u32 amount);

    /// Handles a write to the CB_BIND register.
    void ProcessCBBind(size_t stage_index);

    /// Handles a write to the VERTEX_END_GL register, triggering a draw.
    void DrawArrays();

    /// Handles use of topology overrides (e.g., to avoid using a topology assigned from a macro)
    void ProcessTopologyOverride();

    // Handles a instance drawcall from MME
    void StepInstance(MMEDrawMode expected_mode, u32 count);

    /// Returns a query's value or an empty object if the value will be deferred through a cache.
    std::optional<u64> GetQueryResult();

    Core::System& system;
    MemoryManager& memory_manager;

    VideoCore::RasterizerInterface* rasterizer = nullptr;

    /// Start offsets of each macro in macro_memory
    std::array<u32, 0x80> macro_positions{};

    std::array<bool, Regs::NUM_REGS> mme_inline{};

    /// Macro method that is currently being executed / being fed parameters.
    u32 executing_macro = 0;
    /// Parameters that have been submitted to the macro call so far.
    std::vector<u32> macro_params;

    /// Interpreter for the macro codes uploaded to the GPU.
    std::unique_ptr<MacroEngine> macro_engine;

    Upload::State upload_state;

    bool execute_on{true};
    bool use_topology_override{false};
};

#define ASSERT_REG_POSITION(field_name, position)                                                  \
    static_assert(offsetof(Maxwell3D::Regs, field_name) == position * 4,                           \
                  "Field " #field_name " has invalid position")

ASSERT_REG_POSITION(wait_for_idle, 0x44);
ASSERT_REG_POSITION(macros, 0x45);
ASSERT_REG_POSITION(shadow_ram_control, 0x49);
ASSERT_REG_POSITION(upload, 0x60);
ASSERT_REG_POSITION(exec_upload, 0x6C);
ASSERT_REG_POSITION(data_upload, 0x6D);
ASSERT_REG_POSITION(force_early_fragment_tests, 0x84);
ASSERT_REG_POSITION(sync_info, 0xB2);
ASSERT_REG_POSITION(tess_mode, 0xC8);
ASSERT_REG_POSITION(tess_level_outer, 0xC9);
ASSERT_REG_POSITION(tess_level_inner, 0xCD);
ASSERT_REG_POSITION(rasterize_enable, 0xDF);
ASSERT_REG_POSITION(tfb_bindings, 0xE0);
ASSERT_REG_POSITION(tfb_layouts, 0x1C0);
ASSERT_REG_POSITION(tfb_enabled, 0x1D1);
ASSERT_REG_POSITION(rt, 0x200);
ASSERT_REG_POSITION(viewport_transform, 0x280);
ASSERT_REG_POSITION(viewports, 0x300);
ASSERT_REG_POSITION(vertex_buffer, 0x35D);
ASSERT_REG_POSITION(depth_mode, 0x35F);
ASSERT_REG_POSITION(clear_color[0], 0x360);
ASSERT_REG_POSITION(clear_depth, 0x364);
ASSERT_REG_POSITION(clear_stencil, 0x368);
ASSERT_REG_POSITION(polygon_mode_front, 0x36B);
ASSERT_REG_POSITION(polygon_mode_back, 0x36C);
ASSERT_REG_POSITION(polygon_offset_point_enable, 0x370);
ASSERT_REG_POSITION(polygon_offset_line_enable, 0x371);
ASSERT_REG_POSITION(polygon_offset_fill_enable, 0x372);
ASSERT_REG_POSITION(patch_vertices, 0x373);
ASSERT_REG_POSITION(fragment_barrier, 0x378);
ASSERT_REG_POSITION(scissor_test, 0x380);
ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);
ASSERT_REG_POSITION(invalidate_texture_data_cache, 0x3DD);
ASSERT_REG_POSITION(tiled_cache_barrier, 0x3DF);
ASSERT_REG_POSITION(color_mask_common, 0x3E4);
ASSERT_REG_POSITION(depth_bounds, 0x3E7);
ASSERT_REG_POSITION(rt_separate_frag_data, 0x3EB);
ASSERT_REG_POSITION(multisample_raster_enable, 0x3ED);
ASSERT_REG_POSITION(multisample_raster_samples, 0x3EE);
ASSERT_REG_POSITION(multisample_sample_mask, 0x3EF);
ASSERT_REG_POSITION(zeta, 0x3F8);
ASSERT_REG_POSITION(render_area, 0x3FD);
ASSERT_REG_POSITION(clear_flags, 0x43E);
ASSERT_REG_POSITION(fill_rectangle, 0x44F);
ASSERT_REG_POSITION(conservative_raster_enable, 0x452);
ASSERT_REG_POSITION(vertex_attrib_format, 0x458);
ASSERT_REG_POSITION(multisample_sample_locations, 0x478);
ASSERT_REG_POSITION(multisample_coverage_to_color, 0x47E);
ASSERT_REG_POSITION(rt_control, 0x487);
ASSERT_REG_POSITION(zeta_width, 0x48a);
ASSERT_REG_POSITION(zeta_height, 0x48b);
ASSERT_REG_POSITION(zeta_depth, 0x48c);
ASSERT_REG_POSITION(sampler_index, 0x48D);
ASSERT_REG_POSITION(gp_passthrough_mask, 0x490);
ASSERT_REG_POSITION(depth_test_enable, 0x4B3);
ASSERT_REG_POSITION(independent_blend_enable, 0x4B9);
ASSERT_REG_POSITION(depth_write_enabled, 0x4BA);
ASSERT_REG_POSITION(alpha_test_enabled, 0x4BB);
ASSERT_REG_POSITION(d3d_cull_mode, 0x4C2);
ASSERT_REG_POSITION(depth_test_func, 0x4C3);
ASSERT_REG_POSITION(alpha_test_ref, 0x4C4);
ASSERT_REG_POSITION(alpha_test_func, 0x4C5);
ASSERT_REG_POSITION(draw_tfb_stride, 0x4C6);
ASSERT_REG_POSITION(blend_color, 0x4C7);
ASSERT_REG_POSITION(blend, 0x4CF);
ASSERT_REG_POSITION(stencil_enable, 0x4E0);
ASSERT_REG_POSITION(stencil_front_op_fail, 0x4E1);
ASSERT_REG_POSITION(stencil_front_op_zfail, 0x4E2);
ASSERT_REG_POSITION(stencil_front_op_zpass, 0x4E3);
ASSERT_REG_POSITION(stencil_front_func_func, 0x4E4);
ASSERT_REG_POSITION(stencil_front_func_ref, 0x4E5);
ASSERT_REG_POSITION(stencil_front_func_mask, 0x4E6);
ASSERT_REG_POSITION(stencil_front_mask, 0x4E7);
ASSERT_REG_POSITION(frag_color_clamp, 0x4EA);
ASSERT_REG_POSITION(screen_y_control, 0x4EB);
ASSERT_REG_POSITION(line_width_smooth, 0x4EC);
ASSERT_REG_POSITION(line_width_aliased, 0x4ED);
ASSERT_REG_POSITION(invalidate_sampler_cache_no_wfi, 0x509);
ASSERT_REG_POSITION(invalidate_texture_header_cache_no_wfi, 0x50A);
ASSERT_REG_POSITION(vb_element_base, 0x50D);
ASSERT_REG_POSITION(vb_base_instance, 0x50E);
ASSERT_REG_POSITION(clip_distance_enabled, 0x544);
ASSERT_REG_POSITION(samplecnt_enable, 0x545);
ASSERT_REG_POSITION(point_size, 0x546);
ASSERT_REG_POSITION(point_sprite_enable, 0x548);
ASSERT_REG_POSITION(counter_reset, 0x54C);
ASSERT_REG_POSITION(multisample_enable, 0x54D);
ASSERT_REG_POSITION(zeta_enable, 0x54E);
ASSERT_REG_POSITION(multisample_control, 0x54F);
ASSERT_REG_POSITION(condition, 0x554);
ASSERT_REG_POSITION(tsc, 0x557);
ASSERT_REG_POSITION(polygon_offset_factor, 0x55B);
ASSERT_REG_POSITION(line_smooth_enable, 0x55C);
ASSERT_REG_POSITION(tic, 0x55D);
ASSERT_REG_POSITION(stencil_two_side_enable, 0x565);
ASSERT_REG_POSITION(stencil_back_op_fail, 0x566);
ASSERT_REG_POSITION(stencil_back_op_zfail, 0x567);
ASSERT_REG_POSITION(stencil_back_op_zpass, 0x568);
ASSERT_REG_POSITION(stencil_back_func_func, 0x569);
ASSERT_REG_POSITION(framebuffer_srgb, 0x56E);
ASSERT_REG_POSITION(polygon_offset_units, 0x56F);
ASSERT_REG_POSITION(multisample_mode, 0x574);
ASSERT_REG_POSITION(point_coord_replace, 0x581);
ASSERT_REG_POSITION(code_address, 0x582);
ASSERT_REG_POSITION(draw, 0x585);
ASSERT_REG_POSITION(primitive_restart, 0x591);
ASSERT_REG_POSITION(provoking_vertex_last, 0x5A1);
ASSERT_REG_POSITION(index_array, 0x5F2);
ASSERT_REG_POSITION(small_index, 0x5F9);
ASSERT_REG_POSITION(polygon_offset_clamp, 0x61F);
ASSERT_REG_POSITION(instanced_arrays, 0x620);
ASSERT_REG_POSITION(vp_point_size, 0x644);
ASSERT_REG_POSITION(cull_test_enabled, 0x646);
ASSERT_REG_POSITION(front_face, 0x647);
ASSERT_REG_POSITION(cull_face, 0x648);
ASSERT_REG_POSITION(pixel_center_integer, 0x649);
ASSERT_REG_POSITION(viewport_transform_enabled, 0x64B);
ASSERT_REG_POSITION(view_volume_clip_control, 0x64F);
ASSERT_REG_POSITION(topology_override, 0x65C);
ASSERT_REG_POSITION(depth_bounds_enable, 0x66F);
ASSERT_REG_POSITION(logic_op, 0x671);
ASSERT_REG_POSITION(clear_buffers, 0x674);
ASSERT_REG_POSITION(color_mask, 0x680);
ASSERT_REG_POSITION(query, 0x6C0);
ASSERT_REG_POSITION(vertex_array[0], 0x700);
ASSERT_REG_POSITION(independent_blend, 0x780);
ASSERT_REG_POSITION(vertex_array_limit[0], 0x7C0);
ASSERT_REG_POSITION(shader_config[0], 0x800);
ASSERT_REG_POSITION(firmware, 0x8C0);
ASSERT_REG_POSITION(const_buffer, 0x8E0);
ASSERT_REG_POSITION(cb_bind[0], 0x904);
ASSERT_REG_POSITION(tex_cb_index, 0x982);
ASSERT_REG_POSITION(tfb_varying_locs, 0xA00);
ASSERT_REG_POSITION(ssbo_info, 0xD18);
ASSERT_REG_POSITION(tex_info_buffers.address[0], 0xD2A);
ASSERT_REG_POSITION(tex_info_buffers.size[0], 0xD2F);

#undef ASSERT_REG_POSITION

} // namespace Tegra::Engines