-
Notifications
You must be signed in to change notification settings - Fork 2.6k
/
PixelShaderGen.cpp
1268 lines (1117 loc) · 46 KB
/
PixelShaderGen.cpp
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
// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <stdio.h>
#include <cmath>
#include <assert.h>
#include <locale.h>
#ifdef __APPLE__
#include <xlocale.h>
#endif
#include "LightingShaderGen.h"
#include "PixelShaderGen.h"
#include "XFMemory.h" // for texture projection mode
#include "BPMemory.h"
#include "VideoConfig.h"
#include "NativeVertexFormat.h"
// old tev->pixelshader notes
//
// color for this stage (alpha, color) is given by bpmem.tevorders[0].colorchan0
// konstant for this stage (alpha, color) is given by bpmem.tevksel
// inputs are given by bpmem.combiners[0].colorC.a/b/c/d << could be current channel color
// according to GXTevColorArg table above
// output is given by .outreg
// tevtemp is set according to swapmodetables and
static const char *tevKSelTableC[] = // KCSEL
{
"1.0,1.0,1.0", // 1 = 0x00
"0.875,0.875,0.875", // 7_8 = 0x01
"0.75,0.75,0.75", // 3_4 = 0x02
"0.625,0.625,0.625", // 5_8 = 0x03
"0.5,0.5,0.5", // 1_2 = 0x04
"0.375,0.375,0.375", // 3_8 = 0x05
"0.25,0.25,0.25", // 1_4 = 0x06
"0.125,0.125,0.125", // 1_8 = 0x07
"ERROR1", // 0x08
"ERROR2", // 0x09
"ERROR3", // 0x0a
"ERROR4", // 0x0b
I_KCOLORS"[0].rgb", // K0 = 0x0C
I_KCOLORS"[1].rgb", // K1 = 0x0D
I_KCOLORS"[2].rgb", // K2 = 0x0E
I_KCOLORS"[3].rgb", // K3 = 0x0F
I_KCOLORS"[0].rrr", // K0_R = 0x10
I_KCOLORS"[1].rrr", // K1_R = 0x11
I_KCOLORS"[2].rrr", // K2_R = 0x12
I_KCOLORS"[3].rrr", // K3_R = 0x13
I_KCOLORS"[0].ggg", // K0_G = 0x14
I_KCOLORS"[1].ggg", // K1_G = 0x15
I_KCOLORS"[2].ggg", // K2_G = 0x16
I_KCOLORS"[3].ggg", // K3_G = 0x17
I_KCOLORS"[0].bbb", // K0_B = 0x18
I_KCOLORS"[1].bbb", // K1_B = 0x19
I_KCOLORS"[2].bbb", // K2_B = 0x1A
I_KCOLORS"[3].bbb", // K3_B = 0x1B
I_KCOLORS"[0].aaa", // K0_A = 0x1C
I_KCOLORS"[1].aaa", // K1_A = 0x1D
I_KCOLORS"[2].aaa", // K2_A = 0x1E
I_KCOLORS"[3].aaa", // K3_A = 0x1F
};
static const char *tevKSelTableA[] = // KASEL
{
"1.0", // 1 = 0x00
"0.875",// 7_8 = 0x01
"0.75", // 3_4 = 0x02
"0.625",// 5_8 = 0x03
"0.5", // 1_2 = 0x04
"0.375",// 3_8 = 0x05
"0.25", // 1_4 = 0x06
"0.125",// 1_8 = 0x07
"ERROR5", // 0x08
"ERROR6", // 0x09
"ERROR7", // 0x0a
"ERROR8", // 0x0b
"ERROR9", // 0x0c
"ERROR10", // 0x0d
"ERROR11", // 0x0e
"ERROR12", // 0x0f
I_KCOLORS"[0].r", // K0_R = 0x10
I_KCOLORS"[1].r", // K1_R = 0x11
I_KCOLORS"[2].r", // K2_R = 0x12
I_KCOLORS"[3].r", // K3_R = 0x13
I_KCOLORS"[0].g", // K0_G = 0x14
I_KCOLORS"[1].g", // K1_G = 0x15
I_KCOLORS"[2].g", // K2_G = 0x16
I_KCOLORS"[3].g", // K3_G = 0x17
I_KCOLORS"[0].b", // K0_B = 0x18
I_KCOLORS"[1].b", // K1_B = 0x19
I_KCOLORS"[2].b", // K2_B = 0x1A
I_KCOLORS"[3].b", // K3_B = 0x1B
I_KCOLORS"[0].a", // K0_A = 0x1C
I_KCOLORS"[1].a", // K1_A = 0x1D
I_KCOLORS"[2].a", // K2_A = 0x1E
I_KCOLORS"[3].a", // K3_A = 0x1F
};
static const char *tevScaleTable[] = // CS
{
"1.0", // SCALE_1
"2.0", // SCALE_2
"4.0", // SCALE_4
"0.5", // DIVIDE_2
};
static const char *tevBiasTable[] = // TB
{
"", // ZERO,
"+0.5", // ADDHALF,
"-0.5", // SUBHALF,
"",
};
static const char *tevOpTable[] = { // TEV
"+", // TEVOP_ADD = 0,
"-", // TEVOP_SUB = 1,
};
static const char *tevCInputTable[] = // CC
{
"(prev.rgb)", // CPREV,
"(prev.aaa)", // APREV,
"(c0.rgb)", // C0,
"(c0.aaa)", // A0,
"(c1.rgb)", // C1,
"(c1.aaa)", // A1,
"(c2.rgb)", // C2,
"(c2.aaa)", // A2,
"(textemp.rgb)", // TEXC,
"(textemp.aaa)", // TEXA,
"(rastemp.rgb)", // RASC,
"(rastemp.aaa)", // RASA,
"float3(1.0, 1.0, 1.0)", // ONE
"float3(0.5, 0.5, 0.5)", // HALF
"(konsttemp.rgb)", //"konsttemp.rgb", // KONST
"float3(0.0, 0.0, 0.0)", // ZERO
///added extra values to map clamped values
"(cprev.rgb)", // CPREV,
"(cprev.aaa)", // APREV,
"(cc0.rgb)", // C0,
"(cc0.aaa)", // A0,
"(cc1.rgb)", // C1,
"(cc1.aaa)", // A1,
"(cc2.rgb)", // C2,
"(cc2.aaa)", // A2,
"(textemp.rgb)", // TEXC,
"(textemp.aaa)", // TEXA,
"(crastemp.rgb)", // RASC,
"(crastemp.aaa)", // RASA,
"float3(1.0, 1.0, 1.0)", // ONE
"float3(0.5, 0.5, 0.5)", // HALF
"(ckonsttemp.rgb)", //"konsttemp.rgb", // KONST
"float3(0.0, 0.0, 0.0)", // ZERO
"PADERROR1", "PADERROR2", "PADERROR3", "PADERROR4"
};
static const char *tevAInputTable[] = // CA
{
"prev", // APREV,
"c0", // A0,
"c1", // A1,
"c2", // A2,
"textemp", // TEXA,
"rastemp", // RASA,
"konsttemp", // KONST, (hw1 had quarter)
"float4(0.0, 0.0, 0.0, 0.0)", // ZERO
///added extra values to map clamped values
"cprev", // APREV,
"cc0", // A0,
"cc1", // A1,
"cc2", // A2,
"textemp", // TEXA,
"crastemp", // RASA,
"ckonsttemp", // KONST, (hw1 had quarter)
"float4(0.0, 0.0, 0.0, 0.0)", // ZERO
"PADERROR5", "PADERROR6", "PADERROR7", "PADERROR8",
"PADERROR9", "PADERROR10", "PADERROR11", "PADERROR12",
};
static const char *tevRasTable[] =
{
"colors_0",
"colors_1",
"ERROR13", //2
"ERROR14", //3
"ERROR15", //4
"float4(alphabump,alphabump,alphabump,alphabump)", // use bump alpha
"(float4(alphabump,alphabump,alphabump,alphabump)*(255.0/248.0))", //normalized
"float4(0.0, 0.0, 0.0, 0.0)", // zero
};
//static const char *tevTexFunc[] = { "tex2D", "texRECT" };
static const char *tevCOutputTable[] = { "prev.rgb", "c0.rgb", "c1.rgb", "c2.rgb" };
static const char *tevAOutputTable[] = { "prev.a", "c0.a", "c1.a", "c2.a" };
static const char *tevIndAlphaSel[] = {"", "x", "y", "z"};
//static const char *tevIndAlphaScale[] = {"", "*32", "*16", "*8"};
static const char *tevIndAlphaScale[] = {"*(248.0/255.0)", "*(224.0/255.0)", "*(240.0/255.0)", "*(248.0/255.0)"};
static const char *tevIndBiasField[] = {"", "x", "y", "xy", "z", "xz", "yz", "xyz"}; // indexed by bias
static const char *tevIndBiasAdd[] = {"-128.0", "1.0", "1.0", "1.0" }; // indexed by fmt
static const char *tevIndWrapStart[] = {"0.0", "256.0", "128.0", "64.0", "32.0", "16.0", "0.001" };
static const char *tevIndFmtScale[] = {"255.0", "31.0", "15.0", "7.0" };
struct RegisterState
{
bool ColorNeedOverflowControl;
bool AlphaNeedOverflowControl;
bool AuxStored;
};
static char text[16384];
template<class T> static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, API_TYPE ApiType, RegisterState RegisterStates[4], const char swapModeTable[4][5]);
template<class T> static inline void SampleTexture(T& out, const char *texcoords, const char *texswap, int texmap, API_TYPE ApiType);
template<class T> static inline void WriteAlphaTest(T& out, pixel_shader_uid_data& uid_data, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode, bool per_pixel_depth);
template<class T> static inline void WriteFog(T& out, pixel_shader_uid_data& uid_data);
template<class T>
static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components)
{
// Non-uid template parameters will write to the dummy data (=> gets optimized out)
pixel_shader_uid_data dummy_data;
pixel_shader_uid_data& uid_data = (&out.template GetUidData<pixel_shader_uid_data>() != NULL)
? out.template GetUidData<pixel_shader_uid_data>() : dummy_data;
out.SetBuffer(text);
const bool is_writing_shadercode = (out.GetBuffer() != NULL);
#ifndef ANDROID
locale_t locale;
locale_t old_locale;
if (is_writing_shadercode)
{
locale = newlocale(LC_NUMERIC_MASK, "C", NULL); // New locale for compilation
old_locale = uselocale(locale); // Apply the locale for this thread
}
#endif
if (is_writing_shadercode)
text[sizeof(text) - 1] = 0x7C; // canary
unsigned int numStages = bpmem.genMode.numtevstages + 1;
unsigned int numTexgen = bpmem.genMode.numtexgens;
const bool forced_early_z = g_ActiveConfig.backend_info.bSupportsEarlyZ && bpmem.UseEarlyDepthTest() && (g_ActiveConfig.bFastDepthCalc || bpmem.alpha_test.TestResult() == AlphaTest::UNDETERMINED);
const bool per_pixel_depth = (bpmem.ztex2.op != ZTEXTURE_DISABLE && bpmem.UseLateDepthTest()) || (!g_ActiveConfig.bFastDepthCalc && bpmem.zmode.testenable && !forced_early_z);
out.Write("//Pixel Shader for TEV stages\n");
out.Write("//%i TEV stages, %i texgens, %i IND stages\n",
numStages, numTexgen, bpmem.genMode.numindstages);
uid_data.dstAlphaMode = dstAlphaMode;
uid_data.genMode_numindstages = bpmem.genMode.numindstages;
uid_data.genMode_numtevstages = bpmem.genMode.numtevstages;
uid_data.genMode_numtexgens = bpmem.genMode.numtexgens;
if (ApiType == API_OPENGL)
{
// Fmod implementation gleaned from Nvidia
// At http://http.developer.nvidia.com/Cg/fmod.html
out.Write("float fmod( float x, float y )\n");
out.Write("{\n");
out.Write("\tfloat z = fract( abs( x / y) ) * abs( y );\n");
out.Write("\treturn (x < 0.0) ? -z : z;\n");
out.Write("}\n");
// Declare samplers
for (int i = 0; i < 8; ++i)
out.Write("uniform sampler2D samp%d;\n", i);
}
else // D3D
{
// Declare samplers
for (int i = 0; i < 8; ++i)
out.Write("sampler samp%d : register(s%d);\n", i, i);
out.Write("\n");
for (int i = 0; i < 8; ++i)
out.Write("Texture2D Tex%d : register(t%d);\n", i, i);
}
out.Write("\n");
if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
out.Write("layout(std140) uniform PSBlock {\n");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_COLORS, "float4", I_COLORS"[4]");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_KCOLORS, "float4", I_KCOLORS"[4]");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_ALPHA, "float4", I_ALPHA"[1]"); // TODO: Why is this an array...-.-
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_TEXDIMS, "float4", I_TEXDIMS"[8]");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_ZBIAS, "float4", I_ZBIAS"[2]");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_INDTEXSCALE, "float4", I_INDTEXSCALE"[2]");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_INDTEXMTX, "float4", I_INDTEXMTX"[6]");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_FOG, "float4", I_FOG"[3]");
// For pixel lighting - TODO: Should only be defined when per pixel lighting is enabled!
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_PLIGHTS, "float4", I_PLIGHTS"[40]");
DeclareUniform(out, ApiType, g_ActiveConfig.backend_info.bSupportsGLSLUBO, C_PMATERIALS, "float4", I_PMATERIALS"[4]");
if (g_ActiveConfig.backend_info.bSupportsGLSLUBO)
out.Write("};\n");
if (ApiType == API_OPENGL)
{
out.Write("COLOROUT(ocol0)\n");
if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
out.Write("out vec4 ocol1;\n");
if (per_pixel_depth)
out.Write("#define depth gl_FragDepth\n");
out.Write("VARYIN float4 colors_02;\n");
out.Write("VARYIN float4 colors_12;\n");
// compute window position if needed because binding semantic WPOS is not widely supported
// Let's set up attributes
if (xfregs.numTexGen.numTexGens < 7)
{
for (int i = 0; i < 8; ++i)
out.Write("VARYIN float3 uv%d_2;\n", i);
out.Write("VARYIN float4 clipPos_2;\n");
if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
{
out.Write("VARYIN float4 Normal_2;\n");
}
}
else
{
// wpos is in w of first 4 texcoords
if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
{
for (int i = 0; i < 8; ++i)
{
out.Write("VARYIN float4 uv%d_2;\n", i);
}
}
else
{
for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
{
out.Write("VARYIN float%d uv%d_2;\n", i < 4 ? 4 : 3 , i);
}
}
out.Write("float4 clipPos;\n");
}
if (forced_early_z)
{
// HACK: This doesn't force the driver to write to depth buffer if alpha test fails.
// It just allows it, but it seems that all drivers do.
out.Write("layout(early_fragment_tests) in;\n");
}
else if (bpmem.UseEarlyDepthTest() && (g_ActiveConfig.bFastDepthCalc || bpmem.alpha_test.TestResult() == AlphaTest::UNDETERMINED) && is_writing_shadercode)
{
static bool warn_once = true;
if (warn_once)
WARN_LOG(VIDEO, "Early z test enabled but not possible to emulate with current configuration. Make sure to enable fast depth calculations. If this message still shows up your hardware isn't able to emulate the feature properly (a GPU with D3D 11.0 / OGL 4.2 support is required).");
warn_once = false;
}
out.Write("void main()\n{\n");
}
else // D3D
{
if (forced_early_z)
{
out.Write("[earlydepthstencil]\n");
}
else if (bpmem.UseEarlyDepthTest() && (g_ActiveConfig.bFastDepthCalc || bpmem.alpha_test.TestResult() == AlphaTest::UNDETERMINED) && is_writing_shadercode)
{
static bool warn_once = true;
if (warn_once)
WARN_LOG(VIDEO, "Early z test enabled but not possible to emulate with current configuration. Make sure to enable fast depth calculations. If this message still shows up your hardware isn't able to emulate the feature properly (a GPU with D3D 11.0 / OGL 4.2 support is required).");
warn_once = false;
}
out.Write("void main(\n");
out.Write(" out float4 ocol0 : SV_Target0,%s%s\n in float4 rawpos : SV_Position,\n",
dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND ? "\n out float4 ocol1 : SV_Target1," : "",
per_pixel_depth ? "\n out float depth : SV_Depth," : "");
// Use centroid sampling to make MSAA work properly
const char* optCentroid = "centroid";
out.Write(" in %s float4 colors_0 : COLOR0,\n", optCentroid);
out.Write(" in %s float4 colors_1 : COLOR1", optCentroid);
// compute window position if needed because binding semantic WPOS is not widely supported
if (numTexgen < 7)
{
for (unsigned int i = 0; i < numTexgen; ++i)
out.Write(",\n in %s float3 uv%d : TEXCOORD%d", optCentroid, i, i);
out.Write(",\n in %s float4 clipPos : TEXCOORD%d", optCentroid, numTexgen);
if(g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
out.Write(",\n in %s float4 Normal : TEXCOORD%d", optCentroid, numTexgen + 1);
out.Write(" ) {\n");
}
else
{
// wpos is in w of first 4 texcoords
if(g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
{
for (int i = 0; i < 8; ++i)
out.Write(",\n in float4 uv%d : TEXCOORD%d", i, i);
}
else
{
for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
out.Write(",\n in float%d uv%d : TEXCOORD%d", i < 4 ? 4 : 3 , i, i);
}
out.Write(" ) {\n");
out.Write("\tfloat4 clipPos = float4(0.0, 0.0, 0.0, 0.0);");
}
}
out.Write(" float4 c0 = " I_COLORS"[1], c1 = " I_COLORS"[2], c2 = " I_COLORS"[3], prev = float4(0.0, 0.0, 0.0, 0.0), textemp = float4(0.0, 0.0, 0.0, 0.0), rastemp = float4(0.0, 0.0, 0.0, 0.0), konsttemp = float4(0.0, 0.0, 0.0, 0.0);\n"
" float3 comp16 = float3(1.0, 255.0, 0.0), comp24 = float3(1.0, 255.0, 255.0*255.0);\n"
" float alphabump=0.0;\n"
" float3 tevcoord=float3(0.0, 0.0, 0.0);\n"
" float2 wrappedcoord=float2(0.0,0.0), tempcoord=float2(0.0,0.0);\n"
" float4 cc0=float4(0.0,0.0,0.0,0.0), cc1=float4(0.0,0.0,0.0,0.0);\n"
" float4 cc2=float4(0.0,0.0,0.0,0.0), cprev=float4(0.0,0.0,0.0,0.0);\n"
" float4 crastemp=float4(0.0,0.0,0.0,0.0),ckonsttemp=float4(0.0,0.0,0.0,0.0);\n\n");
if (ApiType == API_OPENGL)
{
// On Mali, global variables must be initialized as constants.
// This is why we initialize these variables locally instead.
out.Write("float4 rawpos = gl_FragCoord;\n");
out.Write("float4 colors_0 = colors_02;\n");
out.Write("float4 colors_1 = colors_12;\n");
// compute window position if needed because binding semantic WPOS is not widely supported
// Let's set up attributes
if (xfregs.numTexGen.numTexGens < 7)
{
if(numTexgen)
for (int i = 0; i < 8; ++i)
out.Write("float3 uv%d = uv%d_2;\n", i, i);
out.Write("float4 clipPos = clipPos_2;\n");
if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
{
out.Write("float4 Normal = Normal_2;\n");
}
}
else
{
// wpos is in w of first 4 texcoords
if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
{
for (int i = 0; i < 8; ++i)
{
out.Write("float4 uv%d = uv%d_2;\n", i, i);
}
}
else
{
for (unsigned int i = 0; i < xfregs.numTexGen.numTexGens; ++i)
{
out.Write("float%d uv%d = uv%d_2;\n", i < 4 ? 4 : 3 , i, i);
}
}
}
}
if (g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting)
{
if (xfregs.numTexGen.numTexGens < 7)
{
out.Write("\tfloat3 _norm0 = normalize(Normal.xyz);\n\n");
out.Write("\tfloat3 pos = float3(clipPos.x,clipPos.y,Normal.w);\n");
}
else
{
out.Write("\tfloat3 _norm0 = normalize(float3(uv4.w,uv5.w,uv6.w));\n\n");
out.Write("\tfloat3 pos = float3(uv0.w,uv1.w,uv7.w);\n");
}
out.Write("\tfloat4 mat, lacc;\n"
"\tfloat3 ldir, h;\n"
"\tfloat dist, dist2, attn;\n");
out.SetConstantsUsed(C_PLIGHTS, C_PLIGHTS+39); // TODO: Can be optimized further
out.SetConstantsUsed(C_PMATERIALS, C_PMATERIALS+3);
uid_data.components = components;
GenerateLightingShader<T>(out, uid_data.lighting, components, I_PMATERIALS, I_PLIGHTS, "colors_", "colors_");
}
if (numTexgen < 7)
out.Write("\tclipPos = float4(rawpos.x, rawpos.y, clipPos.z, clipPos.w);\n");
else
out.Write("\tclipPos = float4(rawpos.x, rawpos.y, uv2.w, uv3.w);\n");
// HACK to handle cases where the tex gen is not enabled
if (numTexgen == 0)
{
out.Write("\tfloat3 uv0 = float3(0.0, 0.0, 0.0);\n");
}
else
{
out.SetConstantsUsed(C_TEXDIMS, C_TEXDIMS+numTexgen-1);
for (unsigned int i = 0; i < numTexgen; ++i)
{
// optional perspective divides
uid_data.texMtxInfo_n_projection |= xfregs.texMtxInfo[i].projection << i;
if (xfregs.texMtxInfo[i].projection == XF_TEXPROJ_STQ)
{
out.Write("\tif (uv%d.z != 0.0)", i);
out.Write("\t\tuv%d.xy = uv%d.xy / uv%d.z;\n", i, i, i);
}
out.Write("uv%d.xy = uv%d.xy * " I_TEXDIMS"[%d].zw;\n", i, i, i);
}
}
// indirect texture map lookup
int nIndirectStagesUsed = 0;
if (bpmem.genMode.numindstages > 0)
{
for (unsigned int i = 0; i < numStages; ++i)
{
if (bpmem.tevind[i].IsActive() && bpmem.tevind[i].bt < bpmem.genMode.numindstages)
nIndirectStagesUsed |= 1 << bpmem.tevind[i].bt;
}
}
uid_data.nIndirectStagesUsed = nIndirectStagesUsed;
for (u32 i = 0; i < bpmem.genMode.numindstages; ++i)
{
if (nIndirectStagesUsed & (1 << i))
{
unsigned int texcoord = bpmem.tevindref.getTexCoord(i);
unsigned int texmap = bpmem.tevindref.getTexMap(i);
uid_data.SetTevindrefValues(i, texcoord, texmap);
if (texcoord < numTexgen)
{
out.SetConstantsUsed(C_INDTEXSCALE+i/2,C_INDTEXSCALE+i/2);
out.Write("\ttempcoord = uv%d.xy * " I_INDTEXSCALE"[%d].%s;\n", texcoord, i/2, (i&1)?"zw":"xy");
}
else
out.Write("\ttempcoord = float2(0.0, 0.0);\n");
out.Write("float3 indtex%d = ", i);
SampleTexture<T>(out, "tempcoord", "abg", texmap, ApiType);
}
}
RegisterState RegisterStates[4];
RegisterStates[0].AlphaNeedOverflowControl = false;
RegisterStates[0].ColorNeedOverflowControl = false;
RegisterStates[0].AuxStored = false;
for(int i = 1; i < 4; i++)
{
RegisterStates[i].AlphaNeedOverflowControl = true;
RegisterStates[i].ColorNeedOverflowControl = true;
RegisterStates[i].AuxStored = false;
}
// Uid fields for BuildSwapModeTable are set in WriteStage
char swapModeTable[4][5];
const char* swapColors = "rgba";
for (int i = 0; i < 4; i++)
{
swapModeTable[i][0] = swapColors[bpmem.tevksel[i*2].swap1];
swapModeTable[i][1] = swapColors[bpmem.tevksel[i*2].swap2];
swapModeTable[i][2] = swapColors[bpmem.tevksel[i*2+1].swap1];
swapModeTable[i][3] = swapColors[bpmem.tevksel[i*2+1].swap2];
swapModeTable[i][4] = '\0';
}
for (unsigned int i = 0; i < numStages; i++)
WriteStage<T>(out, uid_data, i, ApiType, RegisterStates, swapModeTable); // build the equation for this stage
#define MY_STRUCT_OFFSET(str,elem) ((u32)((u64)&(str).elem-(u64)&(str)))
bool enable_pl = g_ActiveConfig.bEnablePixelLighting && g_ActiveConfig.backend_info.bSupportsPixelLighting;
uid_data.num_values = (enable_pl) ? sizeof(uid_data) : MY_STRUCT_OFFSET(uid_data,stagehash[numStages]);
if (numStages)
{
// The results of the last texenv stage are put onto the screen,
// regardless of the used destination register
if(bpmem.combiners[numStages - 1].colorC.dest != 0)
{
bool retrieveFromAuxRegister = !RegisterStates[bpmem.combiners[numStages - 1].colorC.dest].ColorNeedOverflowControl && RegisterStates[bpmem.combiners[numStages - 1].colorC.dest].AuxStored;
out.Write("\tprev.rgb = %s%s;\n", retrieveFromAuxRegister ? "c" : "" , tevCOutputTable[bpmem.combiners[numStages - 1].colorC.dest]);
RegisterStates[0].ColorNeedOverflowControl = RegisterStates[bpmem.combiners[numStages - 1].colorC.dest].ColorNeedOverflowControl;
}
if(bpmem.combiners[numStages - 1].alphaC.dest != 0)
{
bool retrieveFromAuxRegister = !RegisterStates[bpmem.combiners[numStages - 1].alphaC.dest].AlphaNeedOverflowControl && RegisterStates[bpmem.combiners[numStages - 1].alphaC.dest].AuxStored;
out.Write("\tprev.a = %s%s;\n", retrieveFromAuxRegister ? "c" : "" , tevAOutputTable[bpmem.combiners[numStages - 1].alphaC.dest]);
RegisterStates[0].AlphaNeedOverflowControl = RegisterStates[bpmem.combiners[numStages - 1].alphaC.dest].AlphaNeedOverflowControl;
}
}
// emulation of unsigned 8 overflow when casting if needed
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
out.Write("\tprev = frac(prev * (255.0/256.0)) * (256.0/255.0);\n");
AlphaTest::TEST_RESULT Pretest = bpmem.alpha_test.TestResult();
uid_data.Pretest = Pretest;
// NOTE: Fragment may not be discarded if alpha test always fails and early depth test is enabled
// (in this case we need to write a depth value if depth test passes regardless of the alpha testing result)
if (Pretest == AlphaTest::UNDETERMINED || (Pretest == AlphaTest::FAIL && bpmem.UseLateDepthTest()))
WriteAlphaTest<T>(out, uid_data, ApiType, dstAlphaMode, per_pixel_depth);
// TODO: Make more sense out of this comment
// D3D9 doesn't support readback of depth in pixel shader, so we always have to calculate it again.
// This shouldn't be a performance issue as the written depth is usually still from perspective division
// but this isn't true for z-textures, so there will be depth issues between enabled and disabled z-textures fragments
if (g_ActiveConfig.bFastDepthCalc)
out.Write("float zCoord = rawpos.z;\n");
else
{
out.SetConstantsUsed(C_ZBIAS+1, C_ZBIAS+1);
// the screen space depth value = far z + (clip z / clip w) * z range
out.Write("float zCoord = " I_ZBIAS"[1].x + (clipPos.z / clipPos.w) * " I_ZBIAS"[1].y;\n");
}
// depth texture can safely be ignored if the result won't be written to the depth buffer (early_ztest) and isn't used for fog either
const bool skip_ztexture = !per_pixel_depth && !bpmem.fog.c_proj_fsel.fsel;
uid_data.ztex_op = bpmem.ztex2.op;
uid_data.per_pixel_depth = per_pixel_depth;
uid_data.forced_early_z = forced_early_z;
uid_data.fast_depth_calc = g_ActiveConfig.bFastDepthCalc;
uid_data.early_ztest = bpmem.UseEarlyDepthTest();
uid_data.fog_fsel = bpmem.fog.c_proj_fsel.fsel;
// Note: z-textures are not written to depth buffer if early depth test is used
if (per_pixel_depth && bpmem.UseEarlyDepthTest())
out.Write("depth = zCoord;\n");
// Note: depth texture output is only written to depth buffer if late depth test is used
// theoretical final depth value is used for fog calculation, though, so we have to emulate ztextures anyway
if (bpmem.ztex2.op != ZTEXTURE_DISABLE && !skip_ztexture)
{
// use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
out.SetConstantsUsed(C_ZBIAS, C_ZBIAS+1);
out.Write("zCoord = dot(" I_ZBIAS"[0].xyzw, textemp.xyzw) + " I_ZBIAS"[1].w %s;\n",
(bpmem.ztex2.op == ZTEXTURE_ADD) ? "+ zCoord" : "");
// U24 overflow emulation
out.Write("zCoord = zCoord * (16777215.0/16777216.0);\n");
out.Write("zCoord = frac(zCoord);\n");
out.Write("zCoord = zCoord * (16777216.0/16777215.0);\n");
}
if (per_pixel_depth && bpmem.UseLateDepthTest())
out.Write("depth = zCoord;\n");
if (dstAlphaMode == DSTALPHA_ALPHA_PASS)
{
out.SetConstantsUsed(C_ALPHA, C_ALPHA);
out.Write("\tocol0 = float4(prev.rgb, " I_ALPHA"[0].a);\n");
}
else
{
WriteFog<T>(out, uid_data);
out.Write("\tocol0 = prev;\n");
}
// Use dual-source color blending to perform dst alpha in a single pass
if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND)
{
out.SetConstantsUsed(C_ALPHA, C_ALPHA);
// Colors will be blended against the alpha from ocol1 and
// the alpha from ocol0 will be written to the framebuffer.
out.Write("\tocol1 = prev;\n");
out.Write("\tocol0.a = " I_ALPHA"[0].a;\n");
}
out.Write("}\n");
if (is_writing_shadercode)
{
if (text[sizeof(text) - 1] != 0x7C)
PanicAlert("PixelShader generator - buffer too small, canary has been eaten!");
#ifndef ANDROID
uselocale(old_locale); // restore locale
freelocale(locale);
#endif
}
}
//table with the color compare operations
static const char *TEVCMPColorOPTable[16] =
{
"float3(0.0, 0.0, 0.0)",//0
"float3(0.0, 0.0, 0.0)",//1
"float3(0.0, 0.0, 0.0)",//2
"float3(0.0, 0.0, 0.0)",//3
"float3(0.0, 0.0, 0.0)",//4
"float3(0.0, 0.0, 0.0)",//5
"float3(0.0, 0.0, 0.0)",//6
"float3(0.0, 0.0, 0.0)",//7
" %s + ((%s.r >= %s.r + (0.25/255.0)) ? %s : float3(0.0, 0.0, 0.0))",//#define TEVCMP_R8_GT 8
" %s + ((abs(%s.r - %s.r) < (0.5/255.0)) ? %s : float3(0.0, 0.0, 0.0))",//#define TEVCMP_R8_EQ 9
" %s + (( dot(%s.rgb, comp16) >= (dot(%s.rgb, comp16) + (0.25/255.0))) ? %s : float3(0.0, 0.0, 0.0))",//#define TEVCMP_GR16_GT 10
" %s + (abs(dot(%s.rgb, comp16) - dot(%s.rgb, comp16)) < (0.5/255.0) ? %s : float3(0.0, 0.0, 0.0))",//#define TEVCMP_GR16_EQ 11
" %s + (( dot(%s.rgb, comp24) >= (dot(%s.rgb, comp24) + (0.25/255.0))) ? %s : float3(0.0, 0.0, 0.0))",//#define TEVCMP_BGR24_GT 12
" %s + (abs(dot(%s.rgb, comp24) - dot(%s.rgb, comp24)) < (0.5/255.0) ? %s : float3(0.0, 0.0, 0.0))",//#define TEVCMP_BGR24_EQ 13
" %s + (max(sign(%s.rgb - %s.rgb - (0.25/255.0)), float3(0.0, 0.0, 0.0)) * %s)",//#define TEVCMP_RGB8_GT 14
" %s + ((float3(1.0, 1.0, 1.0) - max(sign(abs(%s.rgb - %s.rgb) - (0.5/255.0)), float3(0.0, 0.0, 0.0))) * %s)"//#define TEVCMP_RGB8_EQ 15
};
//table with the alpha compare operations
static const char *TEVCMPAlphaOPTable[16] =
{
"0.0",//0
"0.0",//1
"0.0",//2
"0.0",//3
"0.0",//4
"0.0",//5
"0.0",//6
"0.0",//7
" %s.a + ((%s.r >= (%s.r + (0.25/255.0))) ? %s.a : 0.0)",//#define TEVCMP_R8_GT 8
" %s.a + (abs(%s.r - %s.r) < (0.5/255.0) ? %s.a : 0.0)",//#define TEVCMP_R8_EQ 9
" %s.a + ((dot(%s.rgb, comp16) >= (dot(%s.rgb, comp16) + (0.25/255.0))) ? %s.a : 0.0)",//#define TEVCMP_GR16_GT 10
" %s.a + (abs(dot(%s.rgb, comp16) - dot(%s.rgb, comp16)) < (0.5/255.0) ? %s.a : 0.0)",//#define TEVCMP_GR16_EQ 11
" %s.a + ((dot(%s.rgb, comp24) >= (dot(%s.rgb, comp24) + (0.25/255.0))) ? %s.a : 0.0)",//#define TEVCMP_BGR24_GT 12
" %s.a + (abs(dot(%s.rgb, comp24) - dot(%s.rgb, comp24)) < (0.5/255.0) ? %s.a : 0.0)",//#define TEVCMP_BGR24_EQ 13
" %s.a + ((%s.a >= (%s.a + (0.25/255.0))) ? %s.a : 0.0)",//#define TEVCMP_A8_GT 14
" %s.a + (abs(%s.a - %s.a) < (0.5/255.0) ? %s.a : 0.0)"//#define TEVCMP_A8_EQ 15
};
template<class T>
static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, API_TYPE ApiType, RegisterState RegisterStates[4], const char swapModeTable[4][5])
{
int texcoord = bpmem.tevorders[n/2].getTexCoord(n&1);
bool bHasTexCoord = (u32)texcoord < bpmem.genMode.numtexgens;
bool bHasIndStage = bpmem.tevind[n].IsActive() && bpmem.tevind[n].bt < bpmem.genMode.numindstages;
// HACK to handle cases where the tex gen is not enabled
if (!bHasTexCoord)
texcoord = 0;
out.Write("// TEV stage %d\n", n);
uid_data.stagehash[n].hasindstage = bHasIndStage;
uid_data.stagehash[n].tevorders_texcoord = texcoord;
if (bHasIndStage)
{
uid_data.stagehash[n].tevind = bpmem.tevind[n].hex & 0x7FFFFF;
out.Write("// indirect op\n");
// perform the indirect op on the incoming regular coordinates using indtex%d as the offset coords
if (bpmem.tevind[n].bs != ITBA_OFF)
{
out.Write("alphabump = indtex%d.%s %s;\n",
bpmem.tevind[n].bt,
tevIndAlphaSel[bpmem.tevind[n].bs],
tevIndAlphaScale[bpmem.tevind[n].fmt]);
}
// format
out.Write("float3 indtevcrd%d = indtex%d * %s;\n", n, bpmem.tevind[n].bt, tevIndFmtScale[bpmem.tevind[n].fmt]);
// bias
if (bpmem.tevind[n].bias != ITB_NONE )
out.Write("indtevcrd%d.%s += %s;\n", n, tevIndBiasField[bpmem.tevind[n].bias], tevIndBiasAdd[bpmem.tevind[n].fmt]);
// multiply by offset matrix and scale
if (bpmem.tevind[n].mid != 0)
{
if (bpmem.tevind[n].mid <= 3)
{
int mtxidx = 2*(bpmem.tevind[n].mid-1);
out.SetConstantsUsed(C_INDTEXMTX+mtxidx, C_INDTEXMTX+mtxidx);
out.Write("float2 indtevtrans%d = float2(dot(" I_INDTEXMTX"[%d].xyz, indtevcrd%d), dot(" I_INDTEXMTX"[%d].xyz, indtevcrd%d));\n",
n, mtxidx, n, mtxidx+1, n);
}
else if (bpmem.tevind[n].mid <= 7 && bHasTexCoord)
{ // s matrix
_assert_(bpmem.tevind[n].mid >= 5);
int mtxidx = 2*(bpmem.tevind[n].mid-5);
out.SetConstantsUsed(C_INDTEXMTX+mtxidx, C_INDTEXMTX+mtxidx);
out.Write("float2 indtevtrans%d = " I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.xx;\n", n, mtxidx, texcoord, n);
}
else if (bpmem.tevind[n].mid <= 11 && bHasTexCoord)
{ // t matrix
_assert_(bpmem.tevind[n].mid >= 9);
int mtxidx = 2*(bpmem.tevind[n].mid-9);
out.SetConstantsUsed(C_INDTEXMTX+mtxidx, C_INDTEXMTX+mtxidx);
out.Write("float2 indtevtrans%d = " I_INDTEXMTX"[%d].ww * uv%d.xy * indtevcrd%d.yy;\n", n, mtxidx, texcoord, n);
}
else
{
out.Write("float2 indtevtrans%d = float2(0.0, 0.0);\n", n);
}
}
else
{
out.Write("float2 indtevtrans%d = float2(0.0, 0.0);\n", n);
}
// ---------
// Wrapping
// ---------
// wrap S
if (bpmem.tevind[n].sw == ITW_OFF)
out.Write("wrappedcoord.x = uv%d.x;\n", texcoord);
else if (bpmem.tevind[n].sw == ITW_0)
out.Write("wrappedcoord.x = 0.0;\n");
else
out.Write("wrappedcoord.x = fmod( uv%d.x, %s );\n", texcoord, tevIndWrapStart[bpmem.tevind[n].sw]);
// wrap T
if (bpmem.tevind[n].tw == ITW_OFF)
out.Write("wrappedcoord.y = uv%d.y;\n", texcoord);
else if (bpmem.tevind[n].tw == ITW_0)
out.Write("wrappedcoord.y = 0.0;\n");
else
out.Write("wrappedcoord.y = fmod( uv%d.y, %s );\n", texcoord, tevIndWrapStart[bpmem.tevind[n].tw]);
if (bpmem.tevind[n].fb_addprev) // add previous tevcoord
out.Write("tevcoord.xy += wrappedcoord + indtevtrans%d;\n", n);
else
out.Write("tevcoord.xy = wrappedcoord + indtevtrans%d;\n", n);
}
TevStageCombiner::ColorCombiner &cc = bpmem.combiners[n].colorC;
TevStageCombiner::AlphaCombiner &ac = bpmem.combiners[n].alphaC;
uid_data.stagehash[n].cc = cc.hex & 0xFFFFFF;
uid_data.stagehash[n].ac = ac.hex & 0xFFFFF0; // Storing rswap and tswap later
if(cc.a == TEVCOLORARG_RASA || cc.a == TEVCOLORARG_RASC
|| cc.b == TEVCOLORARG_RASA || cc.b == TEVCOLORARG_RASC
|| cc.c == TEVCOLORARG_RASA || cc.c == TEVCOLORARG_RASC
|| cc.d == TEVCOLORARG_RASA || cc.d == TEVCOLORARG_RASC
|| ac.a == TEVALPHAARG_RASA || ac.b == TEVALPHAARG_RASA
|| ac.c == TEVALPHAARG_RASA || ac.d == TEVALPHAARG_RASA)
{
const int i = bpmem.combiners[n].alphaC.rswap;
uid_data.stagehash[n].ac |= bpmem.combiners[n].alphaC.rswap;
uid_data.stagehash[n].tevksel_swap1a = bpmem.tevksel[i*2].swap1;
uid_data.stagehash[n].tevksel_swap2a = bpmem.tevksel[i*2].swap2;
uid_data.stagehash[n].tevksel_swap1b = bpmem.tevksel[i*2+1].swap1;
uid_data.stagehash[n].tevksel_swap2b = bpmem.tevksel[i*2+1].swap2;
uid_data.stagehash[n].tevorders_colorchan = bpmem.tevorders[n / 2].getColorChan(n & 1);
const char *rasswap = swapModeTable[bpmem.combiners[n].alphaC.rswap];
out.Write("rastemp = %s.%s;\n", tevRasTable[bpmem.tevorders[n / 2].getColorChan(n & 1)], rasswap);
out.Write("crastemp = frac(rastemp * (255.0/256.0)) * (256.0/255.0);\n");
}
uid_data.stagehash[n].tevorders_enable = bpmem.tevorders[n / 2].getEnable(n & 1);
if (bpmem.tevorders[n/2].getEnable(n&1))
{
if (!bHasIndStage)
{
// calc tevcord
if(bHasTexCoord)
out.Write("tevcoord.xy = uv%d.xy;\n", texcoord);
else
out.Write("tevcoord.xy = float2(0.0, 0.0);\n");
}
const int i = bpmem.combiners[n].alphaC.tswap;
uid_data.stagehash[n].ac |= bpmem.combiners[n].alphaC.tswap << 2;
uid_data.stagehash[n].tevksel_swap1c = bpmem.tevksel[i*2].swap1;
uid_data.stagehash[n].tevksel_swap2c = bpmem.tevksel[i*2].swap2;
uid_data.stagehash[n].tevksel_swap1d = bpmem.tevksel[i*2+1].swap1;
uid_data.stagehash[n].tevksel_swap2d = bpmem.tevksel[i*2+1].swap2;
uid_data.stagehash[n].tevorders_texmap= bpmem.tevorders[n/2].getTexMap(n&1);
const char *texswap = swapModeTable[bpmem.combiners[n].alphaC.tswap];
int texmap = bpmem.tevorders[n/2].getTexMap(n&1);
uid_data.SetTevindrefTexmap(i, texmap);
out.Write("textemp = ");
SampleTexture<T>(out, "tevcoord", texswap, texmap, ApiType);
}
else
{
out.Write("textemp = float4(1.0, 1.0, 1.0, 1.0);\n");
}
if (cc.a == TEVCOLORARG_KONST || cc.b == TEVCOLORARG_KONST || cc.c == TEVCOLORARG_KONST || cc.d == TEVCOLORARG_KONST
|| ac.a == TEVALPHAARG_KONST || ac.b == TEVALPHAARG_KONST || ac.c == TEVALPHAARG_KONST || ac.d == TEVALPHAARG_KONST)
{
int kc = bpmem.tevksel[n / 2].getKC(n & 1);
int ka = bpmem.tevksel[n / 2].getKA(n & 1);
uid_data.stagehash[n].tevksel_kc = kc;
uid_data.stagehash[n].tevksel_ka = ka;
out.Write("konsttemp = float4(%s, %s);\n", tevKSelTableC[kc], tevKSelTableA[ka]);
if(kc > 7 || ka > 7)
{
out.Write("ckonsttemp = frac(konsttemp * (255.0/256.0)) * (256.0/255.0);\n");
}
else
{
out.Write("ckonsttemp = konsttemp;\n");
}
if (kc > 7)
out.SetConstantsUsed(C_KCOLORS+((kc-0xc)%4),C_KCOLORS+((kc-0xc)%4));
if (ka > 7)
out.SetConstantsUsed(C_KCOLORS+((ka-0xc)%4),C_KCOLORS+((ka-0xc)%4));
}
if(cc.a == TEVCOLORARG_CPREV || cc.a == TEVCOLORARG_APREV
|| cc.b == TEVCOLORARG_CPREV || cc.b == TEVCOLORARG_APREV
|| cc.c == TEVCOLORARG_CPREV || cc.c == TEVCOLORARG_APREV
|| ac.a == TEVALPHAARG_APREV || ac.b == TEVALPHAARG_APREV || ac.c == TEVALPHAARG_APREV)
{
if(RegisterStates[0].AlphaNeedOverflowControl || RegisterStates[0].ColorNeedOverflowControl)
{
out.Write("cprev = frac(prev * (255.0/256.0)) * (256.0/255.0);\n");
RegisterStates[0].AlphaNeedOverflowControl = false;
RegisterStates[0].ColorNeedOverflowControl = false;
}
else
{
out.Write("cprev = prev;\n");
}
RegisterStates[0].AuxStored = true;
}
if(cc.a == TEVCOLORARG_C0 || cc.a == TEVCOLORARG_A0
|| cc.b == TEVCOLORARG_C0 || cc.b == TEVCOLORARG_A0
|| cc.c == TEVCOLORARG_C0 || cc.c == TEVCOLORARG_A0
|| ac.a == TEVALPHAARG_A0 || ac.b == TEVALPHAARG_A0 || ac.c == TEVALPHAARG_A0)
{
out.SetConstantsUsed(C_COLORS+1,C_COLORS+1);
if(RegisterStates[1].AlphaNeedOverflowControl || RegisterStates[1].ColorNeedOverflowControl)
{
out.Write("cc0 = frac(c0 * (255.0/256.0)) * (256.0/255.0);\n");
RegisterStates[1].AlphaNeedOverflowControl = false;
RegisterStates[1].ColorNeedOverflowControl = false;
}
else
{
out.Write("cc0 = c0;\n");
}
RegisterStates[1].AuxStored = true;
}
if(cc.a == TEVCOLORARG_C1 || cc.a == TEVCOLORARG_A1
|| cc.b == TEVCOLORARG_C1 || cc.b == TEVCOLORARG_A1
|| cc.c == TEVCOLORARG_C1 || cc.c == TEVCOLORARG_A1
|| ac.a == TEVALPHAARG_A1 || ac.b == TEVALPHAARG_A1 || ac.c == TEVALPHAARG_A1)
{
out.SetConstantsUsed(C_COLORS+2,C_COLORS+2);
if(RegisterStates[2].AlphaNeedOverflowControl || RegisterStates[2].ColorNeedOverflowControl)
{
out.Write("cc1 = frac(c1 * (255.0/256.0)) * (256.0/255.0);\n");
RegisterStates[2].AlphaNeedOverflowControl = false;
RegisterStates[2].ColorNeedOverflowControl = false;
}
else
{
out.Write("cc1 = c1;\n");
}
RegisterStates[2].AuxStored = true;
}
if(cc.a == TEVCOLORARG_C2 || cc.a == TEVCOLORARG_A2
|| cc.b == TEVCOLORARG_C2 || cc.b == TEVCOLORARG_A2
|| cc.c == TEVCOLORARG_C2 || cc.c == TEVCOLORARG_A2
|| ac.a == TEVALPHAARG_A2 || ac.b == TEVALPHAARG_A2 || ac.c == TEVALPHAARG_A2)
{
out.SetConstantsUsed(C_COLORS+3,C_COLORS+3);
if(RegisterStates[3].AlphaNeedOverflowControl || RegisterStates[3].ColorNeedOverflowControl)
{
out.Write("cc2 = frac(c2 * (255.0/256.0)) * (256.0/255.0);\n");
RegisterStates[3].AlphaNeedOverflowControl = false;
RegisterStates[3].ColorNeedOverflowControl = false;
}
else
{
out.Write("cc2 = c2;\n");
}
RegisterStates[3].AuxStored = true;
}
RegisterStates[cc.dest].ColorNeedOverflowControl = (cc.clamp == 0);
RegisterStates[cc.dest].AuxStored = false;
if (cc.d == TEVCOLORARG_C0 || cc.d == TEVCOLORARG_A0 || ac.d == TEVALPHAARG_A0)
out.SetConstantsUsed(C_COLORS+1,C_COLORS+1);
if (cc.d == TEVCOLORARG_C1 || cc.d == TEVCOLORARG_A1 || ac.d == TEVALPHAARG_A1)
out.SetConstantsUsed(C_COLORS+2,C_COLORS+2);
if (cc.d == TEVCOLORARG_C2 || cc.d == TEVCOLORARG_A2 || ac.d == TEVALPHAARG_A2)
out.SetConstantsUsed(C_COLORS+3,C_COLORS+3);
if (cc.dest >= GX_TEVREG0 && cc.dest <= GX_TEVREG2)
out.SetConstantsUsed(C_COLORS+cc.dest, C_COLORS+cc.dest);