1 #if !defined TGSI_TOKEN_H
4 #if defined __cplusplus
6 #endif // defined __cplusplus
10 unsigned MajorVersion
: 8;
11 unsigned MinorVersion
: 8;
12 unsigned Padding
: 16;
17 unsigned HeaderSize
: 8;
18 unsigned BodySize
: 24;
21 #define TGSI_PROCESSOR_FRAGMENT 0
22 #define TGSI_PROCESSOR_VERTEX 1
23 #define TGSI_PROCESSOR_GEOMETRY 2
27 unsigned Processor
: 4; /* TGSI_PROCESSOR_ */
28 unsigned Padding
: 28;
31 #define TGSI_TOKEN_TYPE_DECLARATION 0
32 #define TGSI_TOKEN_TYPE_IMMEDIATE 1
33 #define TGSI_TOKEN_TYPE_INSTRUCTION 2
37 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_ */
38 unsigned Size
: 8; /* UINT */
39 unsigned Padding
: 19;
40 unsigned Extended
: 1; /* BOOL */
43 #define TGSI_FILE_NULL 0
44 #define TGSI_FILE_CONSTANT 1
45 #define TGSI_FILE_INPUT 2
46 #define TGSI_FILE_OUTPUT 3
47 #define TGSI_FILE_TEMPORARY 4
48 #define TGSI_FILE_SAMPLER 5
49 #define TGSI_FILE_ADDRESS 6
50 #define TGSI_FILE_IMMEDIATE 7
52 #define TGSI_DECLARE_RANGE 0
53 #define TGSI_DECLARE_MASK 1
55 #define TGSI_WRITEMASK_NONE 0x00
56 #define TGSI_WRITEMASK_X 0x01
57 #define TGSI_WRITEMASK_Y 0x02
58 #define TGSI_WRITEMASK_XY 0x03
59 #define TGSI_WRITEMASK_Z 0x04
60 #define TGSI_WRITEMASK_XZ 0x05
61 #define TGSI_WRITEMASK_YZ 0x06
62 #define TGSI_WRITEMASK_XYZ 0x07
63 #define TGSI_WRITEMASK_W 0x08
64 #define TGSI_WRITEMASK_XW 0x09
65 #define TGSI_WRITEMASK_YW 0x0A
66 #define TGSI_WRITEMASK_XYW 0x0B
67 #define TGSI_WRITEMASK_ZW 0x0C
68 #define TGSI_WRITEMASK_XZW 0x0D
69 #define TGSI_WRITEMASK_YZW 0x0E
70 #define TGSI_WRITEMASK_XYZW 0x0F
72 struct tgsi_declaration
74 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_DECLARATION */
75 unsigned Size
: 8; /* UINT */
76 unsigned File
: 4; /* one of TGSI_FILE_x */
77 unsigned Declare
: 4; /* one of TGSI_DECLARE_x */
78 unsigned UsageMask
: 4; /* bitmask of TGSI_WRITEMASK_x flags */
79 unsigned Interpolate
: 1; /* BOOL, any interpolation info? */
80 unsigned Semantic
: 1; /* BOOL, any semantic info? */
82 unsigned Extended
: 1; /* BOOL */
85 struct tgsi_declaration_range
87 unsigned First
: 16; /* UINT */
88 unsigned Last
: 16; /* UINT */
91 struct tgsi_declaration_mask
93 unsigned Mask
: 32; /* UINT */
96 #define TGSI_INTERPOLATE_CONSTANT 0
97 #define TGSI_INTERPOLATE_LINEAR 1
98 #define TGSI_INTERPOLATE_PERSPECTIVE 2
100 struct tgsi_declaration_interpolation
102 unsigned Interpolate
: 4; /* TGSI_INTERPOLATE_ */
103 unsigned Padding
: 28;
106 #define TGSI_SEMANTIC_POSITION 0
107 #define TGSI_SEMANTIC_COLOR 1
108 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
109 #define TGSI_SEMANTIC_FOG 3
110 #define TGSI_SEMANTIC_PSIZE 4
111 #define TGSI_SEMANTIC_GENERIC 5
112 #define TGSI_SEMANTIC_COUNT 6 /**< number of semantic values */
114 struct tgsi_declaration_semantic
116 unsigned SemanticName
: 8; /* one of TGSI_SEMANTIC_ */
117 unsigned SemanticIndex
: 16; /* UINT */
118 unsigned Padding
: 8;
121 #define TGSI_IMM_FLOAT32 0
123 struct tgsi_immediate
125 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_IMMEDIATE */
126 unsigned Size
: 8; /* UINT */
127 unsigned DataType
: 4; /* TGSI_IMM_ */
128 unsigned Padding
: 15;
129 unsigned Extended
: 1; /* BOOL */
132 struct tgsi_immediate_float32
138 * GL_NV_vertex_program
140 #define TGSI_OPCODE_ARL 0
141 #define TGSI_OPCODE_MOV 1
142 #define TGSI_OPCODE_LIT 2
143 #define TGSI_OPCODE_RCP 3
144 #define TGSI_OPCODE_RSQ 4
145 #define TGSI_OPCODE_EXP 5
146 #define TGSI_OPCODE_LOG 6
147 #define TGSI_OPCODE_MUL 7
148 #define TGSI_OPCODE_ADD 8
149 #define TGSI_OPCODE_DP3 9
150 #define TGSI_OPCODE_DP4 10
151 #define TGSI_OPCODE_DST 11
152 #define TGSI_OPCODE_MIN 12
153 #define TGSI_OPCODE_MAX 13
154 #define TGSI_OPCODE_SLT 14
155 #define TGSI_OPCODE_SGE 15
156 #define TGSI_OPCODE_MAD 16
159 * GL_ATI_fragment_shader
161 #define TGSI_OPCODE_SUB 17
162 #define TGSI_OPCODE_DOT3 TGSI_OPCODE_DP3
163 #define TGSI_OPCODE_DOT4 TGSI_OPCODE_DP4
164 #define TGSI_OPCODE_LERP 18
165 #define TGSI_OPCODE_CND 19
166 #define TGSI_OPCODE_CND0 20
167 #define TGSI_OPCODE_DOT2ADD 21
170 * GL_EXT_vertex_shader
172 #define TGSI_OPCODE_INDEX 22
173 #define TGSI_OPCODE_NEGATE 23
174 #define TGSI_OPCODE_MADD TGSI_OPCODE_MAD
175 #define TGSI_OPCODE_FRAC 24
176 #define TGSI_OPCODE_SETGE TGSI_OPCODE_SGE
177 #define TGSI_OPCODE_SETLT TGSI_OPCODE_SLT
178 #define TGSI_OPCODE_CLAMP 25
179 #define TGSI_OPCODE_FLOOR 26
180 #define TGSI_OPCODE_ROUND 27
181 #define TGSI_OPCODE_EXPBASE2 28
182 #define TGSI_OPCODE_LOGBASE2 29
183 #define TGSI_OPCODE_POWER 30
184 #define TGSI_OPCODE_RECIP TGSI_OPCODE_RCP
185 #define TGSI_OPCODE_RECIPSQRT TGSI_OPCODE_RSQ
186 #define TGSI_OPCODE_CROSSPRODUCT 31
187 #define TGSI_OPCODE_MULTIPLYMATRIX 32
190 * GL_NV_vertex_program1_1
192 #define TGSI_OPCODE_ABS 33
193 #define TGSI_OPCODE_RCC 34
194 #define TGSI_OPCODE_DPH 35
197 * GL_NV_fragment_program
199 #define TGSI_OPCODE_COS 36
200 #define TGSI_OPCODE_DDX 37
201 #define TGSI_OPCODE_DDY 38
202 #define TGSI_OPCODE_EX2 TGSI_OPCODE_EXPBASE2
203 #define TGSI_OPCODE_FLR TGSI_OPCODE_FLOOR
204 #define TGSI_OPCODE_FRC TGSI_OPCODE_FRAC
205 #define TGSI_OPCODE_KILP 39 /* predicated kill */
206 #define TGSI_OPCODE_LG2 TGSI_OPCODE_LOGBASE2
207 #define TGSI_OPCODE_LRP TGSI_OPCODE_LERP
208 #define TGSI_OPCODE_PK2H 40
209 #define TGSI_OPCODE_PK2US 41
210 #define TGSI_OPCODE_PK4B 42
211 #define TGSI_OPCODE_PK4UB 43
212 #define TGSI_OPCODE_POW TGSI_OPCODE_POWER
213 #define TGSI_OPCODE_RFL 44
214 #define TGSI_OPCODE_SEQ 45
215 #define TGSI_OPCODE_SFL 46
216 #define TGSI_OPCODE_SGT 47
217 #define TGSI_OPCODE_SIN 48
218 #define TGSI_OPCODE_SLE 49
219 #define TGSI_OPCODE_SNE 50
220 #define TGSI_OPCODE_STR 51
221 #define TGSI_OPCODE_TEX 52
222 #define TGSI_OPCODE_TXD 53
223 #define TGSI_OPCODE_UP2H 54
224 #define TGSI_OPCODE_UP2US 55
225 #define TGSI_OPCODE_UP4B 56
226 #define TGSI_OPCODE_UP4UB 57
227 #define TGSI_OPCODE_X2D 58
230 * GL_NV_vertex_program2
232 #define TGSI_OPCODE_ARA 59
233 #define TGSI_OPCODE_ARR 60
234 #define TGSI_OPCODE_BRA 61
235 #define TGSI_OPCODE_CAL 62
236 #define TGSI_OPCODE_RET 63
237 #define TGSI_OPCODE_SSG 64
240 * GL_ARB_vertex_program
242 #define TGSI_OPCODE_SWZ TGSI_OPCODE_MOV
243 #define TGSI_OPCODE_XPD TGSI_OPCODE_CROSSPRODUCT
246 * GL_ARB_fragment_program
248 #define TGSI_OPCODE_CMP 65
249 #define TGSI_OPCODE_SCS 66
250 #define TGSI_OPCODE_TXB 67
253 * GL_NV_fragment_program_option
258 * GL_NV_fragment_program2
260 #define TGSI_OPCODE_NRM 68
261 #define TGSI_OPCODE_DIV 69
262 #define TGSI_OPCODE_DP2 70
263 #define TGSI_OPCODE_DP2A TGSI_OPCODE_DOT2ADD
264 #define TGSI_OPCODE_TXL 71
265 #define TGSI_OPCODE_BRK 72
266 #define TGSI_OPCODE_IF 73
267 #define TGSI_OPCODE_LOOP 74
268 #define TGSI_OPCODE_REP 75
269 #define TGSI_OPCODE_ELSE 76
270 #define TGSI_OPCODE_ENDIF 77
271 #define TGSI_OPCODE_ENDLOOP 78
272 #define TGSI_OPCODE_ENDREP 79
275 * GL_NV_vertex_program2_option
279 * GL_NV_vertex_program3
281 #define TGSI_OPCODE_PUSHA 80
282 #define TGSI_OPCODE_POPA 81
287 #define TGSI_OPCODE_CEIL 82
288 #define TGSI_OPCODE_I2F 83
289 #define TGSI_OPCODE_NOT 84
290 #define TGSI_OPCODE_TRUNC 85
291 #define TGSI_OPCODE_SHL 86
292 #define TGSI_OPCODE_SHR 87
293 #define TGSI_OPCODE_AND 88
294 #define TGSI_OPCODE_OR 89
295 #define TGSI_OPCODE_MOD 90
296 #define TGSI_OPCODE_XOR 91
297 #define TGSI_OPCODE_SAD 92
298 #define TGSI_OPCODE_TXF 93
299 #define TGSI_OPCODE_TXQ 94
300 #define TGSI_OPCODE_CONT 95
303 * GL_NV_vertex_program4
305 /* Same as GL_NV_gpu_program4 */
308 * GL_NV_fragment_program4
310 /* Same as GL_NV_gpu_program4 */
313 * GL_NV_geometry_program4
315 /* Same as GL_NV_gpu_program4 */
316 #define TGSI_OPCODE_EMIT 96
317 #define TGSI_OPCODE_ENDPRIM 97
322 #define TGSI_OPCODE_BGNLOOP2 98
323 #define TGSI_OPCODE_BGNSUB 99
324 #define TGSI_OPCODE_ENDLOOP2 100
325 #define TGSI_OPCODE_ENDSUB 101
326 #define TGSI_OPCODE_INT TGSI_OPCODE_TRUNC
327 #define TGSI_OPCODE_NOISE1 102
328 #define TGSI_OPCODE_NOISE2 103
329 #define TGSI_OPCODE_NOISE3 104
330 #define TGSI_OPCODE_NOISE4 105
331 #define TGSI_OPCODE_NOP 106
336 #define TGSI_OPCODE_TEXCOORD TGSI_OPCODE_NOP
337 #define TGSI_OPCODE_TEXKILL TGSI_OPCODE_KIL
338 #define TGSI_OPCODE_TEXBEM 107
339 #define TGSI_OPCODE_TEXBEML 108
340 #define TGSI_OPCODE_TEXREG2AR 109
341 #define TGSI_OPCODE_TEXM3X2PAD 110
342 #define TGSI_OPCODE_TEXM3X2TEX 111
343 #define TGSI_OPCODE_TEXM3X3PAD 112
344 #define TGSI_OPCODE_TEXM3X3TEX 113
345 #define TGSI_OPCODE_TEXM3X3SPEC 114
346 #define TGSI_OPCODE_TEXM3X3VSPEC 115
351 #define TGSI_OPCODE_TEXREG2GB 116
352 #define TGSI_OPCODE_TEXREG2RGB 117
353 #define TGSI_OPCODE_TEXDP3TEX 118
354 #define TGSI_OPCODE_TEXDP3 119
355 #define TGSI_OPCODE_TEXM3X3 120
356 /* CMP - use TGSI_OPCODE_CND0 */
361 #define TGSI_OPCODE_TEXM3X2DEPTH 121
362 /* CMP - use TGSI_OPCODE_CND0 */
367 #define TGSI_OPCODE_TEXCRD TGSI_OPCODE_TEXCOORD
368 #define TGSI_OPCODE_TEXLD TGSI_OPCODE_TEX
369 #define TGSI_OPCODE_TEXDEPTH 122
370 #define TGSI_OPCODE_BEM 123
375 #define TGSI_OPCODE_M4X4 TGSI_OPCODE_MULTIPLYMATRIX
376 #define TGSI_OPCODE_M4X3 124
377 #define TGSI_OPCODE_M3X4 125
378 #define TGSI_OPCODE_M3X3 126
379 #define TGSI_OPCODE_M3X2 127
380 #define TGSI_OPCODE_CRS TGSI_OPCODE_XPD
381 #define TGSI_OPCODE_NRM4 128
382 #define TGSI_OPCODE_SINCOS TGSI_OPCODE_SCS
383 #define TGSI_OPCODE_TEXLDB TGSI_OPCODE_TXB
384 #define TGSI_OPCODE_DP2ADD TGSI_OPCODE_DP2A
389 #define TGSI_OPCODE_CALL TGSI_OPCODE_CAL
390 #define TGSI_OPCODE_CALLNZ 129
391 #define TGSI_OPCODE_IFC 130
392 #define TGSI_OPCODE_BREAK TGSI_OPCODE_BRK
393 #define TGSI_OPCODE_BREAKC 131
394 #define TGSI_OPCODE_DSX TGSI_OPCODE_DDX
395 #define TGSI_OPCODE_DSY TGSI_OPCODE_DDY
396 #define TGSI_OPCODE_TEXLDD TGSI_OPCODE_TXD
401 #define TGSI_OPCODE_EXPP TGSI_OPCODE_EXP
402 #define TGSI_OPCODE_LOGP TGSI_OPCODE_LG2
407 #define TGSI_OPCODE_SGN TGSI_OPCODE_SSG
408 #define TGSI_OPCODE_MOVA TGSI_OPCODE_ARR
414 #define TGSI_OPCODE_KIL 132 /* unpredicated kill */
415 #define TGSI_OPCODE_END 133 /* aka HALT */
417 #define TGSI_OPCODE_LAST 134
419 #define TGSI_SAT_NONE 0 /* do not saturate */
420 #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
421 #define TGSI_SAT_MINUS_PLUS_ONE 2 /* clamp to [-1,1] */
424 * Opcode is the operation code to execute. A given operation defines the
425 * semantics how the source registers (if any) are interpreted and what is
426 * written to the destination registers (if any) as a result of execution.
428 * NumDstRegs and NumSrcRegs is the number of destination and source registers,
429 * respectively. For a given operation code, those numbers are fixed and are
430 * present here only for convenience.
432 * If Extended is TRUE, it is now executed.
434 * Saturate controls how are final results in destination registers modified.
437 struct tgsi_instruction
439 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */
440 unsigned Size
: 8; /* UINT */
441 unsigned Opcode
: 8; /* TGSI_OPCODE_ */
442 unsigned Saturate
: 2; /* TGSI_SAT_ */
443 unsigned NumDstRegs
: 2; /* UINT */
444 unsigned NumSrcRegs
: 4; /* UINT */
445 unsigned Padding
: 3;
446 unsigned Extended
: 1; /* BOOL */
450 * If tgsi_instruction::Extended is TRUE, tgsi_instruction_ext follows.
452 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
454 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
456 * tgsi_instruction::Size contains the total number of words that make the
457 * instruction, including the instruction word.
460 #define TGSI_INSTRUCTION_EXT_TYPE_NV 0
461 #define TGSI_INSTRUCTION_EXT_TYPE_LABEL 1
462 #define TGSI_INSTRUCTION_EXT_TYPE_TEXTURE 2
463 #define TGSI_INSTRUCTION_EXT_TYPE_PREDICATE 3
465 struct tgsi_instruction_ext
467 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_ */
468 unsigned Padding
: 27;
469 unsigned Extended
: 1; /* BOOL */
473 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_NV, it should
474 * be cast to tgsi_instruction_ext_nv.
476 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_LABEL, it
477 * should be cast to tgsi_instruction_ext_label.
479 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_TEXTURE, it
480 * should be cast to tgsi_instruction_ext_texture.
482 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_PREDICATE, it
483 * should be cast to tgsi_instruction_ext_predicate.
485 * If tgsi_instruction_ext::Extended is TRUE, another tgsi_instruction_ext
489 #define TGSI_PRECISION_DEFAULT 0
490 #define TGSI_PRECISION_FLOAT32 1
491 #define TGSI_PRECISION_FLOAT16 2
492 #define TGSI_PRECISION_FIXED12 3
504 #define TGSI_SWIZZLE_X 0
505 #define TGSI_SWIZZLE_Y 1
506 #define TGSI_SWIZZLE_Z 2
507 #define TGSI_SWIZZLE_W 3
510 * Precision controls the precision at which the operation should be executed.
512 * CondDstUpdate enables condition code register writes. When this field is
513 * TRUE, CondDstIndex specifies the index of the condition code register to
516 * CondFlowEnable enables conditional execution of the operation. When this
517 * field is TRUE, CondFlowIndex specifies the index of the condition code
518 * register to test against CondMask with component swizzle controled by
519 * CondSwizzleX, CondSwizzleY, CondSwizzleZ and CondSwizzleW. If the test fails,
520 * the operation is not executed.
523 struct tgsi_instruction_ext_nv
525 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_NV */
526 unsigned Precision
: 4; /* TGSI_PRECISION_ */
527 unsigned CondDstIndex
: 4; /* UINT */
528 unsigned CondFlowIndex
: 4; /* UINT */
529 unsigned CondMask
: 4; /* TGSI_CC_ */
530 unsigned CondSwizzleX
: 2; /* TGSI_SWIZZLE_ */
531 unsigned CondSwizzleY
: 2; /* TGSI_SWIZZLE_ */
532 unsigned CondSwizzleZ
: 2; /* TGSI_SWIZZLE_ */
533 unsigned CondSwizzleW
: 2; /* TGSI_SWIZZLE_ */
534 unsigned CondDstUpdate
: 1; /* BOOL */
535 unsigned CondFlowEnable
: 1; /* BOOL */
536 unsigned Padding
: 1;
537 unsigned Extended
: 1; /* BOOL */
540 struct tgsi_instruction_ext_label
542 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_LABEL */
543 unsigned Label
: 24; /* UINT */
544 unsigned Padding
: 3;
545 unsigned Extended
: 1; /* BOOL */
548 #define TGSI_TEXTURE_UNKNOWN 0
549 #define TGSI_TEXTURE_1D 1
550 #define TGSI_TEXTURE_2D 2
551 #define TGSI_TEXTURE_3D 3
552 #define TGSI_TEXTURE_CUBE 4
553 #define TGSI_TEXTURE_RECT 5
554 #define TGSI_TEXTURE_SHADOW1D 6
555 #define TGSI_TEXTURE_SHADOW2D 7
556 #define TGSI_TEXTURE_SHADOWRECT 8
558 struct tgsi_instruction_ext_texture
560 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_TEXTURE */
561 unsigned Texture
: 8; /* TGSI_TEXTURE_ */
562 unsigned Padding
: 19;
563 unsigned Extended
: 1; /* BOOL */
566 struct tgsi_instruction_ext_predicate
568 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_PREDICATE */
569 unsigned PredDstIndex
: 4; /* UINT */
570 unsigned PredWriteMask
: 4; /* TGSI_WRITEMASK_ */
571 unsigned Padding
: 19;
572 unsigned Extended
: 1; /* BOOL */
576 * File specifies the register array to access.
578 * Index specifies the element number of a register in the register file.
580 * If Indirect is TRUE, Index should be offset by the X component of a source
581 * register that follows. The register can be now fetched into local storage
582 * for further processing.
584 * If Negate is TRUE, all components of the fetched register are negated.
586 * The fetched register components are swizzled according to SwizzleX, SwizzleY,
587 * SwizzleZ and SwizzleW.
589 * If Extended is TRUE, any further modifications to the source register are
590 * made to this temporary storage.
593 struct tgsi_src_register
595 unsigned File
: 4; /* TGSI_FILE_ */
596 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_ */
597 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_ */
598 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_ */
599 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_ */
600 unsigned Negate
: 1; /* BOOL */
601 unsigned Indirect
: 1; /* BOOL */
602 unsigned Dimension
: 1; /* BOOL */
603 int Index
: 16; /* SINT */
604 unsigned Extended
: 1; /* BOOL */
608 * If tgsi_src_register::Extended is TRUE, tgsi_src_register_ext follows.
610 * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register
613 * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
616 #define TGSI_SRC_REGISTER_EXT_TYPE_SWZ 0
617 #define TGSI_SRC_REGISTER_EXT_TYPE_MOD 1
619 struct tgsi_src_register_ext
621 unsigned Type
: 4; /* TGSI_SRC_REGISTER_EXT_TYPE_ */
622 unsigned Padding
: 27;
623 unsigned Extended
: 1; /* BOOL */
627 * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_SWZ,
628 * it should be cast to tgsi_src_register_ext_extswz.
630 * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_MOD,
631 * it should be cast to tgsi_src_register_ext_mod.
633 * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
637 #define TGSI_EXTSWIZZLE_X TGSI_SWIZZLE_X
638 #define TGSI_EXTSWIZZLE_Y TGSI_SWIZZLE_Y
639 #define TGSI_EXTSWIZZLE_Z TGSI_SWIZZLE_Z
640 #define TGSI_EXTSWIZZLE_W TGSI_SWIZZLE_W
641 #define TGSI_EXTSWIZZLE_ZERO 4
642 #define TGSI_EXTSWIZZLE_ONE 5
645 * ExtSwizzleX, ExtSwizzleY, ExtSwizzleZ and ExtSwizzleW swizzle the source
646 * register in an extended manner.
648 * NegateX, NegateY, NegateZ and NegateW negate individual components of the
651 * ExtDivide specifies which component is used to divide all components of the
655 struct tgsi_src_register_ext_swz
657 unsigned Type
: 4; /* TGSI_SRC_REGISTER_EXT_TYPE_SWZ */
658 unsigned ExtSwizzleX
: 4; /* TGSI_EXTSWIZZLE_ */
659 unsigned ExtSwizzleY
: 4; /* TGSI_EXTSWIZZLE_ */
660 unsigned ExtSwizzleZ
: 4; /* TGSI_EXTSWIZZLE_ */
661 unsigned ExtSwizzleW
: 4; /* TGSI_EXTSWIZZLE_ */
662 unsigned NegateX
: 1; /* BOOL */
663 unsigned NegateY
: 1; /* BOOL */
664 unsigned NegateZ
: 1; /* BOOL */
665 unsigned NegateW
: 1; /* BOOL */
666 unsigned ExtDivide
: 4; /* TGSI_EXTSWIZZLE_ */
667 unsigned Padding
: 3;
668 unsigned Extended
: 1; /* BOOL */
672 * Extra src register modifiers
674 * If Complement is TRUE, the source register is modified by subtracting it
677 * If Bias is TRUE, the source register is modified by subtracting 0.5 from it.
679 * If Scale2X is TRUE, the source register is modified by multiplying it by 2.0.
681 * If Absolute is TRUE, the source register is modified by removing the sign.
683 * If Negate is TRUE, the source register is modified by negating it.
686 struct tgsi_src_register_ext_mod
688 unsigned Type
: 4; /* TGSI_SRC_REGISTER_EXT_TYPE_MOD */
689 unsigned Complement
: 1; /* BOOL */
690 unsigned Bias
: 1; /* BOOL */
691 unsigned Scale2X
: 1; /* BOOL */
692 unsigned Absolute
: 1; /* BOOL */
693 unsigned Negate
: 1; /* BOOL */
694 unsigned Padding
: 22;
695 unsigned Extended
: 1; /* BOOL */
698 struct tgsi_dimension
700 unsigned Indirect
: 1; /* BOOL */
701 unsigned Dimension
: 1; /* BOOL */
702 unsigned Padding
: 13;
703 int Index
: 16; /* SINT */
704 unsigned Extended
: 1; /* BOOL */
707 struct tgsi_dst_register
709 unsigned File
: 4; /* TGSI_FILE_ */
710 unsigned WriteMask
: 4; /* TGSI_WRITEMASK_ */
711 unsigned Indirect
: 1; /* BOOL */
712 unsigned Dimension
: 1; /* BOOL */
713 int Index
: 16; /* SINT */
714 unsigned Padding
: 5;
715 unsigned Extended
: 1; /* BOOL */
719 * If tgsi_dst_register::Extended is TRUE, tgsi_dst_register_ext follows.
721 * Then, if tgsi_dst_register::Indirect is TRUE, tgsi_src_register follows.
724 #define TGSI_DST_REGISTER_EXT_TYPE_CONDCODE 0
725 #define TGSI_DST_REGISTER_EXT_TYPE_MODULATE 1
726 #define TGSI_DST_REGISTER_EXT_TYPE_PREDICATE 2
728 struct tgsi_dst_register_ext
730 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_ */
731 unsigned Padding
: 27;
732 unsigned Extended
: 1; /* BOOL */
736 * Extra destination register modifiers
738 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_CONDCODE,
739 * it should be cast to tgsi_dst_register_ext_condcode.
741 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_MODULATE,
742 * it should be cast to tgsi_dst_register_ext_modulate.
744 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_PREDICATE,
745 * it should be cast to tgsi_dst_register_ext_predicate.
747 * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
750 struct tgsi_dst_register_ext_concode
752 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_CONDCODE */
753 unsigned CondMask
: 4; /* TGSI_CC_ */
754 unsigned CondSwizzleX
: 2; /* TGSI_SWIZZLE_ */
755 unsigned CondSwizzleY
: 2; /* TGSI_SWIZZLE_ */
756 unsigned CondSwizzleZ
: 2; /* TGSI_SWIZZLE_ */
757 unsigned CondSwizzleW
: 2; /* TGSI_SWIZZLE_ */
758 unsigned CondSrcIndex
: 4; /* UINT */
759 unsigned Padding
: 11;
760 unsigned Extended
: 1; /* BOOL */
763 #define TGSI_MODULATE_1X 0
764 #define TGSI_MODULATE_2X 1
765 #define TGSI_MODULATE_4X 2
766 #define TGSI_MODULATE_8X 3
767 #define TGSI_MODULATE_HALF 4
768 #define TGSI_MODULATE_QUARTER 5
769 #define TGSI_MODULATE_EIGHTH 6
771 struct tgsi_dst_register_ext_modulate
773 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_MODULATE */
774 unsigned Modulate
: 4; /* TGSI_MODULATE_ */
775 unsigned Padding
: 23;
776 unsigned Extended
: 1; /* BOOL */
780 * Currently, the following constraints apply.
782 * - PredSwizzleXYZW is either set to identity or replicate.
783 * - PredSrcIndex is 0.
786 struct tgsi_dst_register_ext_predicate
788 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_PREDICATE */
789 unsigned PredSwizzleX
: 2; /* TGSI_SWIZZLE_ */
790 unsigned PredSwizzleY
: 2; /* TGSI_SWIZZLE_ */
791 unsigned PredSwizzleZ
: 2; /* TGSI_SWIZZLE_ */
792 unsigned PredSwizzleW
: 2; /* TGSI_SWIZZLE_ */
793 unsigned PredSrcIndex
: 4; /* UINT */
794 unsigned Negate
: 1; /* BOOL */
795 unsigned Padding
: 14;
796 unsigned Extended
: 1; /* BOOL */
800 #if defined __cplusplus
802 #endif // defined __cplusplus
804 #endif // !defined TGSI_TOKEN_H