1 #if !defined TGSI_TOKEN_H
8 #include "p_compiler.h"
12 unsigned MajorVersion
: 8;
13 unsigned MinorVersion
: 8;
14 unsigned Padding
: 16;
19 unsigned HeaderSize
: 8;
20 unsigned BodySize
: 24;
23 #define TGSI_PROCESSOR_FRAGMENT 0
24 #define TGSI_PROCESSOR_VERTEX 1
25 #define TGSI_PROCESSOR_GEOMETRY 2
29 unsigned Processor
: 4; /* TGSI_PROCESSOR_ */
30 unsigned Padding
: 28;
33 #define TGSI_TOKEN_TYPE_DECLARATION 0
34 #define TGSI_TOKEN_TYPE_IMMEDIATE 1
35 #define TGSI_TOKEN_TYPE_INSTRUCTION 2
39 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_ */
40 unsigned Size
: 8; /* UINT */
41 unsigned Padding
: 19;
42 unsigned Extended
: 1; /* BOOL */
45 #define TGSI_FILE_NULL 0
46 #define TGSI_FILE_CONSTANT 1
47 #define TGSI_FILE_INPUT 2
48 #define TGSI_FILE_OUTPUT 3
49 #define TGSI_FILE_TEMPORARY 4
50 #define TGSI_FILE_SAMPLER 5
51 #define TGSI_FILE_ADDRESS 6
52 #define TGSI_FILE_IMMEDIATE 7
53 #define TGSI_FILE_COUNT 8 /**< how many TGSI_FILE_ types */
56 #define TGSI_DECLARE_RANGE 0
57 #define TGSI_DECLARE_MASK 1
59 #define TGSI_WRITEMASK_NONE 0x00
60 #define TGSI_WRITEMASK_X 0x01
61 #define TGSI_WRITEMASK_Y 0x02
62 #define TGSI_WRITEMASK_XY 0x03
63 #define TGSI_WRITEMASK_Z 0x04
64 #define TGSI_WRITEMASK_XZ 0x05
65 #define TGSI_WRITEMASK_YZ 0x06
66 #define TGSI_WRITEMASK_XYZ 0x07
67 #define TGSI_WRITEMASK_W 0x08
68 #define TGSI_WRITEMASK_XW 0x09
69 #define TGSI_WRITEMASK_YW 0x0A
70 #define TGSI_WRITEMASK_XYW 0x0B
71 #define TGSI_WRITEMASK_ZW 0x0C
72 #define TGSI_WRITEMASK_XZW 0x0D
73 #define TGSI_WRITEMASK_YZW 0x0E
74 #define TGSI_WRITEMASK_XYZW 0x0F
76 struct tgsi_declaration
78 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_DECLARATION */
79 unsigned Size
: 8; /* UINT */
80 unsigned File
: 4; /* one of TGSI_FILE_x */
81 unsigned Declare
: 4; /* one of TGSI_DECLARE_x */
82 unsigned UsageMask
: 4; /* bitmask of TGSI_WRITEMASK_x flags */
83 unsigned Interpolate
: 1; /* BOOL, any interpolation info? */
84 unsigned Semantic
: 1; /* BOOL, any semantic info? */
86 unsigned Extended
: 1; /* BOOL */
89 struct tgsi_declaration_range
91 unsigned First
: 16; /* UINT */
92 unsigned Last
: 16; /* UINT */
95 struct tgsi_declaration_mask
97 unsigned Mask
: 32; /* UINT */
100 #define TGSI_INTERPOLATE_CONSTANT 0
101 #define TGSI_INTERPOLATE_LINEAR 1
102 #define TGSI_INTERPOLATE_PERSPECTIVE 2
104 struct tgsi_declaration_interpolation
106 unsigned Interpolate
: 4; /* TGSI_INTERPOLATE_ */
107 unsigned Padding
: 28;
110 #define TGSI_SEMANTIC_POSITION 0
111 #define TGSI_SEMANTIC_COLOR 1
112 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
113 #define TGSI_SEMANTIC_FOG 3
114 #define TGSI_SEMANTIC_PSIZE 4
115 #define TGSI_SEMANTIC_GENERIC 5
116 #define TGSI_SEMANTIC_NORMAL 6
117 #define TGSI_SEMANTIC_COUNT 7 /**< number of semantic values */
119 struct tgsi_declaration_semantic
121 unsigned SemanticName
: 8; /* one of TGSI_SEMANTIC_ */
122 unsigned SemanticIndex
: 16; /* UINT */
123 unsigned Padding
: 8;
126 #define TGSI_IMM_FLOAT32 0
128 struct tgsi_immediate
130 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_IMMEDIATE */
131 unsigned Size
: 8; /* UINT */
132 unsigned DataType
: 4; /* TGSI_IMM_ */
133 unsigned Padding
: 15;
134 unsigned Extended
: 1; /* BOOL */
137 struct tgsi_immediate_float32
143 * GL_NV_vertex_program
145 #define TGSI_OPCODE_ARL 0
146 #define TGSI_OPCODE_MOV 1
147 #define TGSI_OPCODE_LIT 2
148 #define TGSI_OPCODE_RCP 3
149 #define TGSI_OPCODE_RSQ 4
150 #define TGSI_OPCODE_EXP 5
151 #define TGSI_OPCODE_LOG 6
152 #define TGSI_OPCODE_MUL 7
153 #define TGSI_OPCODE_ADD 8
154 #define TGSI_OPCODE_DP3 9
155 #define TGSI_OPCODE_DP4 10
156 #define TGSI_OPCODE_DST 11
157 #define TGSI_OPCODE_MIN 12
158 #define TGSI_OPCODE_MAX 13
159 #define TGSI_OPCODE_SLT 14
160 #define TGSI_OPCODE_SGE 15
161 #define TGSI_OPCODE_MAD 16
164 * GL_ATI_fragment_shader
166 #define TGSI_OPCODE_SUB 17
167 #define TGSI_OPCODE_DOT3 TGSI_OPCODE_DP3
168 #define TGSI_OPCODE_DOT4 TGSI_OPCODE_DP4
169 #define TGSI_OPCODE_LERP 18
170 #define TGSI_OPCODE_CND 19
171 #define TGSI_OPCODE_CND0 20
172 #define TGSI_OPCODE_DOT2ADD 21
175 * GL_EXT_vertex_shader
177 #define TGSI_OPCODE_INDEX 22
178 #define TGSI_OPCODE_NEGATE 23
179 #define TGSI_OPCODE_MADD TGSI_OPCODE_MAD
180 #define TGSI_OPCODE_FRAC 24
181 #define TGSI_OPCODE_SETGE TGSI_OPCODE_SGE
182 #define TGSI_OPCODE_SETLT TGSI_OPCODE_SLT
183 #define TGSI_OPCODE_CLAMP 25
184 #define TGSI_OPCODE_FLOOR 26
185 #define TGSI_OPCODE_ROUND 27
186 #define TGSI_OPCODE_EXPBASE2 28
187 #define TGSI_OPCODE_LOGBASE2 29
188 #define TGSI_OPCODE_POWER 30
189 #define TGSI_OPCODE_RECIP TGSI_OPCODE_RCP
190 #define TGSI_OPCODE_RECIPSQRT TGSI_OPCODE_RSQ
191 #define TGSI_OPCODE_CROSSPRODUCT 31
192 #define TGSI_OPCODE_MULTIPLYMATRIX 32
195 * GL_NV_vertex_program1_1
197 #define TGSI_OPCODE_ABS 33
198 #define TGSI_OPCODE_RCC 34
199 #define TGSI_OPCODE_DPH 35
202 * GL_NV_fragment_program
204 #define TGSI_OPCODE_COS 36
205 #define TGSI_OPCODE_DDX 37
206 #define TGSI_OPCODE_DDY 38
207 #define TGSI_OPCODE_EX2 TGSI_OPCODE_EXPBASE2
208 #define TGSI_OPCODE_FLR TGSI_OPCODE_FLOOR
209 #define TGSI_OPCODE_FRC TGSI_OPCODE_FRAC
210 #define TGSI_OPCODE_KILP 39 /* predicated kill */
211 #define TGSI_OPCODE_LG2 TGSI_OPCODE_LOGBASE2
212 #define TGSI_OPCODE_LRP TGSI_OPCODE_LERP
213 #define TGSI_OPCODE_PK2H 40
214 #define TGSI_OPCODE_PK2US 41
215 #define TGSI_OPCODE_PK4B 42
216 #define TGSI_OPCODE_PK4UB 43
217 #define TGSI_OPCODE_POW TGSI_OPCODE_POWER
218 #define TGSI_OPCODE_RFL 44
219 #define TGSI_OPCODE_SEQ 45
220 #define TGSI_OPCODE_SFL 46
221 #define TGSI_OPCODE_SGT 47
222 #define TGSI_OPCODE_SIN 48
223 #define TGSI_OPCODE_SLE 49
224 #define TGSI_OPCODE_SNE 50
225 #define TGSI_OPCODE_STR 51
226 #define TGSI_OPCODE_TEX 52
227 #define TGSI_OPCODE_TXD 53
228 #define TGSI_OPCODE_UP2H 54
229 #define TGSI_OPCODE_UP2US 55
230 #define TGSI_OPCODE_UP4B 56
231 #define TGSI_OPCODE_UP4UB 57
232 #define TGSI_OPCODE_X2D 58
235 * GL_NV_vertex_program2
237 #define TGSI_OPCODE_ARA 59
238 #define TGSI_OPCODE_ARR 60
239 #define TGSI_OPCODE_BRA 61
240 #define TGSI_OPCODE_CAL 62
241 #define TGSI_OPCODE_RET 63
242 #define TGSI_OPCODE_SSG 64
245 * GL_ARB_vertex_program
247 #define TGSI_OPCODE_SWZ TGSI_OPCODE_MOV
248 #define TGSI_OPCODE_XPD TGSI_OPCODE_CROSSPRODUCT
251 * GL_ARB_fragment_program
253 #define TGSI_OPCODE_CMP 65
254 #define TGSI_OPCODE_SCS 66
255 #define TGSI_OPCODE_TXB 67
258 * GL_NV_fragment_program_option
263 * GL_NV_fragment_program2
265 #define TGSI_OPCODE_NRM 68
266 #define TGSI_OPCODE_DIV 69
267 #define TGSI_OPCODE_DP2 70
268 #define TGSI_OPCODE_DP2A TGSI_OPCODE_DOT2ADD
269 #define TGSI_OPCODE_TXL 71
270 #define TGSI_OPCODE_BRK 72
271 #define TGSI_OPCODE_IF 73
272 #define TGSI_OPCODE_LOOP 74
273 #define TGSI_OPCODE_REP 75
274 #define TGSI_OPCODE_ELSE 76
275 #define TGSI_OPCODE_ENDIF 77
276 #define TGSI_OPCODE_ENDLOOP 78
277 #define TGSI_OPCODE_ENDREP 79
280 * GL_NV_vertex_program2_option
284 * GL_NV_vertex_program3
286 #define TGSI_OPCODE_PUSHA 80
287 #define TGSI_OPCODE_POPA 81
292 #define TGSI_OPCODE_CEIL 82
293 #define TGSI_OPCODE_I2F 83
294 #define TGSI_OPCODE_NOT 84
295 #define TGSI_OPCODE_TRUNC 85
296 #define TGSI_OPCODE_SHL 86
297 #define TGSI_OPCODE_SHR 87
298 #define TGSI_OPCODE_AND 88
299 #define TGSI_OPCODE_OR 89
300 #define TGSI_OPCODE_MOD 90
301 #define TGSI_OPCODE_XOR 91
302 #define TGSI_OPCODE_SAD 92
303 #define TGSI_OPCODE_TXF 93
304 #define TGSI_OPCODE_TXQ 94
305 #define TGSI_OPCODE_CONT 95
308 * GL_NV_vertex_program4
310 /* Same as GL_NV_gpu_program4 */
313 * GL_NV_fragment_program4
315 /* Same as GL_NV_gpu_program4 */
318 * GL_NV_geometry_program4
320 /* Same as GL_NV_gpu_program4 */
321 #define TGSI_OPCODE_EMIT 96
322 #define TGSI_OPCODE_ENDPRIM 97
327 #define TGSI_OPCODE_BGNLOOP2 98
328 #define TGSI_OPCODE_BGNSUB 99
329 #define TGSI_OPCODE_ENDLOOP2 100
330 #define TGSI_OPCODE_ENDSUB 101
331 #define TGSI_OPCODE_INT TGSI_OPCODE_TRUNC
332 #define TGSI_OPCODE_NOISE1 102
333 #define TGSI_OPCODE_NOISE2 103
334 #define TGSI_OPCODE_NOISE3 104
335 #define TGSI_OPCODE_NOISE4 105
336 #define TGSI_OPCODE_NOP 106
341 #define TGSI_OPCODE_TEXCOORD TGSI_OPCODE_NOP
342 #define TGSI_OPCODE_TEXKILL TGSI_OPCODE_KIL
343 #define TGSI_OPCODE_TEXBEM 107
344 #define TGSI_OPCODE_TEXBEML 108
345 #define TGSI_OPCODE_TEXREG2AR 109
346 #define TGSI_OPCODE_TEXM3X2PAD 110
347 #define TGSI_OPCODE_TEXM3X2TEX 111
348 #define TGSI_OPCODE_TEXM3X3PAD 112
349 #define TGSI_OPCODE_TEXM3X3TEX 113
350 #define TGSI_OPCODE_TEXM3X3SPEC 114
351 #define TGSI_OPCODE_TEXM3X3VSPEC 115
356 #define TGSI_OPCODE_TEXREG2GB 116
357 #define TGSI_OPCODE_TEXREG2RGB 117
358 #define TGSI_OPCODE_TEXDP3TEX 118
359 #define TGSI_OPCODE_TEXDP3 119
360 #define TGSI_OPCODE_TEXM3X3 120
361 /* CMP - use TGSI_OPCODE_CND0 */
366 #define TGSI_OPCODE_TEXM3X2DEPTH 121
367 /* CMP - use TGSI_OPCODE_CND0 */
372 #define TGSI_OPCODE_TEXCRD TGSI_OPCODE_TEXCOORD
373 #define TGSI_OPCODE_TEXLD TGSI_OPCODE_TEX
374 #define TGSI_OPCODE_TEXDEPTH 122
375 #define TGSI_OPCODE_BEM 123
380 #define TGSI_OPCODE_M4X4 TGSI_OPCODE_MULTIPLYMATRIX
381 #define TGSI_OPCODE_M4X3 124
382 #define TGSI_OPCODE_M3X4 125
383 #define TGSI_OPCODE_M3X3 126
384 #define TGSI_OPCODE_M3X2 127
385 #define TGSI_OPCODE_CRS TGSI_OPCODE_XPD
386 #define TGSI_OPCODE_NRM4 128
387 #define TGSI_OPCODE_SINCOS TGSI_OPCODE_SCS
388 #define TGSI_OPCODE_TEXLDB TGSI_OPCODE_TXB
389 #define TGSI_OPCODE_DP2ADD TGSI_OPCODE_DP2A
394 #define TGSI_OPCODE_CALL TGSI_OPCODE_CAL
395 #define TGSI_OPCODE_CALLNZ 129
396 #define TGSI_OPCODE_IFC 130
397 #define TGSI_OPCODE_BREAK TGSI_OPCODE_BRK
398 #define TGSI_OPCODE_BREAKC 131
399 #define TGSI_OPCODE_DSX TGSI_OPCODE_DDX
400 #define TGSI_OPCODE_DSY TGSI_OPCODE_DDY
401 #define TGSI_OPCODE_TEXLDD TGSI_OPCODE_TXD
406 #define TGSI_OPCODE_EXPP TGSI_OPCODE_EXP
407 #define TGSI_OPCODE_LOGP TGSI_OPCODE_LG2
412 #define TGSI_OPCODE_SGN TGSI_OPCODE_SSG
413 #define TGSI_OPCODE_MOVA TGSI_OPCODE_ARR
419 #define TGSI_OPCODE_KIL 132 /* unpredicated kill */
420 #define TGSI_OPCODE_END 133 /* aka HALT */
422 #define TGSI_OPCODE_LAST 134
424 #define TGSI_SAT_NONE 0 /* do not saturate */
425 #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
426 #define TGSI_SAT_MINUS_PLUS_ONE 2 /* clamp to [-1,1] */
429 * Opcode is the operation code to execute. A given operation defines the
430 * semantics how the source registers (if any) are interpreted and what is
431 * written to the destination registers (if any) as a result of execution.
433 * NumDstRegs and NumSrcRegs is the number of destination and source registers,
434 * respectively. For a given operation code, those numbers are fixed and are
435 * present here only for convenience.
437 * If Extended is TRUE, it is now executed.
439 * Saturate controls how are final results in destination registers modified.
442 struct tgsi_instruction
444 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */
445 unsigned Size
: 8; /* UINT */
446 unsigned Opcode
: 8; /* TGSI_OPCODE_ */
447 unsigned Saturate
: 2; /* TGSI_SAT_ */
448 unsigned NumDstRegs
: 2; /* UINT */
449 unsigned NumSrcRegs
: 4; /* UINT */
450 unsigned Padding
: 3;
451 unsigned Extended
: 1; /* BOOL */
455 * If tgsi_instruction::Extended is TRUE, tgsi_instruction_ext follows.
457 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
459 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
461 * tgsi_instruction::Size contains the total number of words that make the
462 * instruction, including the instruction word.
465 #define TGSI_INSTRUCTION_EXT_TYPE_NV 0
466 #define TGSI_INSTRUCTION_EXT_TYPE_LABEL 1
467 #define TGSI_INSTRUCTION_EXT_TYPE_TEXTURE 2
468 #define TGSI_INSTRUCTION_EXT_TYPE_PREDICATE 3
470 struct tgsi_instruction_ext
472 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_ */
473 unsigned Padding
: 27;
474 unsigned Extended
: 1; /* BOOL */
478 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_NV, it should
479 * be cast to tgsi_instruction_ext_nv.
481 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_LABEL, it
482 * should be cast to tgsi_instruction_ext_label.
484 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_TEXTURE, it
485 * should be cast to tgsi_instruction_ext_texture.
487 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_PREDICATE, it
488 * should be cast to tgsi_instruction_ext_predicate.
490 * If tgsi_instruction_ext::Extended is TRUE, another tgsi_instruction_ext
494 #define TGSI_PRECISION_DEFAULT 0
495 #define TGSI_PRECISION_FLOAT32 1
496 #define TGSI_PRECISION_FLOAT16 2
497 #define TGSI_PRECISION_FIXED12 3
509 #define TGSI_SWIZZLE_X 0
510 #define TGSI_SWIZZLE_Y 1
511 #define TGSI_SWIZZLE_Z 2
512 #define TGSI_SWIZZLE_W 3
515 * Precision controls the precision at which the operation should be executed.
517 * CondDstUpdate enables condition code register writes. When this field is
518 * TRUE, CondDstIndex specifies the index of the condition code register to
521 * CondFlowEnable enables conditional execution of the operation. When this
522 * field is TRUE, CondFlowIndex specifies the index of the condition code
523 * register to test against CondMask with component swizzle controled by
524 * CondSwizzleX, CondSwizzleY, CondSwizzleZ and CondSwizzleW. If the test fails,
525 * the operation is not executed.
528 struct tgsi_instruction_ext_nv
530 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_NV */
531 unsigned Precision
: 4; /* TGSI_PRECISION_ */
532 unsigned CondDstIndex
: 4; /* UINT */
533 unsigned CondFlowIndex
: 4; /* UINT */
534 unsigned CondMask
: 4; /* TGSI_CC_ */
535 unsigned CondSwizzleX
: 2; /* TGSI_SWIZZLE_ */
536 unsigned CondSwizzleY
: 2; /* TGSI_SWIZZLE_ */
537 unsigned CondSwizzleZ
: 2; /* TGSI_SWIZZLE_ */
538 unsigned CondSwizzleW
: 2; /* TGSI_SWIZZLE_ */
539 unsigned CondDstUpdate
: 1; /* BOOL */
540 unsigned CondFlowEnable
: 1; /* BOOL */
541 unsigned Padding
: 1;
542 unsigned Extended
: 1; /* BOOL */
545 struct tgsi_instruction_ext_label
547 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_LABEL */
548 unsigned Label
: 24; /* UINT */
549 unsigned Padding
: 3;
550 unsigned Extended
: 1; /* BOOL */
553 #define TGSI_TEXTURE_UNKNOWN 0
554 #define TGSI_TEXTURE_1D 1
555 #define TGSI_TEXTURE_2D 2
556 #define TGSI_TEXTURE_3D 3
557 #define TGSI_TEXTURE_CUBE 4
558 #define TGSI_TEXTURE_RECT 5
559 #define TGSI_TEXTURE_SHADOW1D 6
560 #define TGSI_TEXTURE_SHADOW2D 7
561 #define TGSI_TEXTURE_SHADOWRECT 8
563 struct tgsi_instruction_ext_texture
565 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_TEXTURE */
566 unsigned Texture
: 8; /* TGSI_TEXTURE_ */
567 unsigned Padding
: 19;
568 unsigned Extended
: 1; /* BOOL */
571 struct tgsi_instruction_ext_predicate
573 unsigned Type
: 4; /* TGSI_INSTRUCTION_EXT_TYPE_PREDICATE */
574 unsigned PredDstIndex
: 4; /* UINT */
575 unsigned PredWriteMask
: 4; /* TGSI_WRITEMASK_ */
576 unsigned Padding
: 19;
577 unsigned Extended
: 1; /* BOOL */
581 * File specifies the register array to access.
583 * Index specifies the element number of a register in the register file.
585 * If Indirect is TRUE, Index should be offset by the X component of a source
586 * register that follows. The register can be now fetched into local storage
587 * for further processing.
589 * If Negate is TRUE, all components of the fetched register are negated.
591 * The fetched register components are swizzled according to SwizzleX, SwizzleY,
592 * SwizzleZ and SwizzleW.
594 * If Extended is TRUE, any further modifications to the source register are
595 * made to this temporary storage.
598 struct tgsi_src_register
600 unsigned File
: 4; /* TGSI_FILE_ */
601 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_ */
602 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_ */
603 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_ */
604 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_ */
605 unsigned Negate
: 1; /* BOOL */
606 unsigned Indirect
: 1; /* BOOL */
607 unsigned Dimension
: 1; /* BOOL */
608 int Index
: 16; /* SINT */
609 unsigned Extended
: 1; /* BOOL */
613 * If tgsi_src_register::Extended is TRUE, tgsi_src_register_ext follows.
615 * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register
618 * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
621 #define TGSI_SRC_REGISTER_EXT_TYPE_SWZ 0
622 #define TGSI_SRC_REGISTER_EXT_TYPE_MOD 1
624 struct tgsi_src_register_ext
626 unsigned Type
: 4; /* TGSI_SRC_REGISTER_EXT_TYPE_ */
627 unsigned Padding
: 27;
628 unsigned Extended
: 1; /* BOOL */
632 * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_SWZ,
633 * it should be cast to tgsi_src_register_ext_swz.
635 * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_MOD,
636 * it should be cast to tgsi_src_register_ext_mod.
638 * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
642 #define TGSI_EXTSWIZZLE_X TGSI_SWIZZLE_X
643 #define TGSI_EXTSWIZZLE_Y TGSI_SWIZZLE_Y
644 #define TGSI_EXTSWIZZLE_Z TGSI_SWIZZLE_Z
645 #define TGSI_EXTSWIZZLE_W TGSI_SWIZZLE_W
646 #define TGSI_EXTSWIZZLE_ZERO 4
647 #define TGSI_EXTSWIZZLE_ONE 5
650 * ExtSwizzleX, ExtSwizzleY, ExtSwizzleZ and ExtSwizzleW swizzle the source
651 * register in an extended manner.
653 * NegateX, NegateY, NegateZ and NegateW negate individual components of the
656 * ExtDivide specifies which component is used to divide all components of the
660 struct tgsi_src_register_ext_swz
662 unsigned Type
: 4; /* TGSI_SRC_REGISTER_EXT_TYPE_SWZ */
663 unsigned ExtSwizzleX
: 4; /* TGSI_EXTSWIZZLE_ */
664 unsigned ExtSwizzleY
: 4; /* TGSI_EXTSWIZZLE_ */
665 unsigned ExtSwizzleZ
: 4; /* TGSI_EXTSWIZZLE_ */
666 unsigned ExtSwizzleW
: 4; /* TGSI_EXTSWIZZLE_ */
667 unsigned NegateX
: 1; /* BOOL */
668 unsigned NegateY
: 1; /* BOOL */
669 unsigned NegateZ
: 1; /* BOOL */
670 unsigned NegateW
: 1; /* BOOL */
671 unsigned ExtDivide
: 4; /* TGSI_EXTSWIZZLE_ */
672 unsigned Padding
: 3;
673 unsigned Extended
: 1; /* BOOL */
677 * Extra src register modifiers
679 * If Complement is TRUE, the source register is modified by subtracting it
682 * If Bias is TRUE, the source register is modified by subtracting 0.5 from it.
684 * If Scale2X is TRUE, the source register is modified by multiplying it by 2.0.
686 * If Absolute is TRUE, the source register is modified by removing the sign.
688 * If Negate is TRUE, the source register is modified by negating it.
691 struct tgsi_src_register_ext_mod
693 unsigned Type
: 4; /* TGSI_SRC_REGISTER_EXT_TYPE_MOD */
694 unsigned Complement
: 1; /* BOOL */
695 unsigned Bias
: 1; /* BOOL */
696 unsigned Scale2X
: 1; /* BOOL */
697 unsigned Absolute
: 1; /* BOOL */
698 unsigned Negate
: 1; /* BOOL */
699 unsigned Padding
: 22;
700 unsigned Extended
: 1; /* BOOL */
703 struct tgsi_dimension
705 unsigned Indirect
: 1; /* BOOL */
706 unsigned Dimension
: 1; /* BOOL */
707 unsigned Padding
: 13;
708 int Index
: 16; /* SINT */
709 unsigned Extended
: 1; /* BOOL */
712 struct tgsi_dst_register
714 unsigned File
: 4; /* TGSI_FILE_ */
715 unsigned WriteMask
: 4; /* TGSI_WRITEMASK_ */
716 unsigned Indirect
: 1; /* BOOL */
717 unsigned Dimension
: 1; /* BOOL */
718 int Index
: 16; /* SINT */
719 unsigned Padding
: 5;
720 unsigned Extended
: 1; /* BOOL */
724 * If tgsi_dst_register::Extended is TRUE, tgsi_dst_register_ext follows.
726 * Then, if tgsi_dst_register::Indirect is TRUE, tgsi_src_register follows.
729 #define TGSI_DST_REGISTER_EXT_TYPE_CONDCODE 0
730 #define TGSI_DST_REGISTER_EXT_TYPE_MODULATE 1
731 #define TGSI_DST_REGISTER_EXT_TYPE_PREDICATE 2
733 struct tgsi_dst_register_ext
735 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_ */
736 unsigned Padding
: 27;
737 unsigned Extended
: 1; /* BOOL */
741 * Extra destination register modifiers
743 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_CONDCODE,
744 * it should be cast to tgsi_dst_register_ext_condcode.
746 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_MODULATE,
747 * it should be cast to tgsi_dst_register_ext_modulate.
749 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_PREDICATE,
750 * it should be cast to tgsi_dst_register_ext_predicate.
752 * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
755 struct tgsi_dst_register_ext_concode
757 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_CONDCODE */
758 unsigned CondMask
: 4; /* TGSI_CC_ */
759 unsigned CondSwizzleX
: 2; /* TGSI_SWIZZLE_ */
760 unsigned CondSwizzleY
: 2; /* TGSI_SWIZZLE_ */
761 unsigned CondSwizzleZ
: 2; /* TGSI_SWIZZLE_ */
762 unsigned CondSwizzleW
: 2; /* TGSI_SWIZZLE_ */
763 unsigned CondSrcIndex
: 4; /* UINT */
764 unsigned Padding
: 11;
765 unsigned Extended
: 1; /* BOOL */
768 #define TGSI_MODULATE_1X 0
769 #define TGSI_MODULATE_2X 1
770 #define TGSI_MODULATE_4X 2
771 #define TGSI_MODULATE_8X 3
772 #define TGSI_MODULATE_HALF 4
773 #define TGSI_MODULATE_QUARTER 5
774 #define TGSI_MODULATE_EIGHTH 6
776 struct tgsi_dst_register_ext_modulate
778 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_MODULATE */
779 unsigned Modulate
: 4; /* TGSI_MODULATE_ */
780 unsigned Padding
: 23;
781 unsigned Extended
: 1; /* BOOL */
785 * Currently, the following constraints apply.
787 * - PredSwizzleXYZW is either set to identity or replicate.
788 * - PredSrcIndex is 0.
791 struct tgsi_dst_register_ext_predicate
793 unsigned Type
: 4; /* TGSI_DST_REGISTER_EXT_TYPE_PREDICATE */
794 unsigned PredSwizzleX
: 2; /* TGSI_SWIZZLE_ */
795 unsigned PredSwizzleY
: 2; /* TGSI_SWIZZLE_ */
796 unsigned PredSwizzleZ
: 2; /* TGSI_SWIZZLE_ */
797 unsigned PredSwizzleW
: 2; /* TGSI_SWIZZLE_ */
798 unsigned PredSrcIndex
: 4; /* UINT */
799 unsigned Negate
: 1; /* BOOL */
800 unsigned Padding
: 14;
801 unsigned Extended
: 1; /* BOOL */
809 #endif /* TGSI_TOKEN_H */