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1 /**************************************************************************
2  *
3  * Copyright 2008 VMware, Inc.
4  * Copyright 2009-2010 VMware, Inc.
5  * All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the
9  * "Software"), to deal in the Software without restriction, including
10  * without limitation the rights to use, copy, modify, merge, publish,
11  * distribute, sub license, and/or sell copies of the Software, and to
12  * permit persons to whom the Software is furnished to do so, subject to
13  * the following conditions:
14  *
15  * The above copyright notice and this permission notice (including the
16  * next paragraph) shall be included in all copies or substantial portions
17  * of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26  *
27  **************************************************************************/
28 
29 #ifndef P_SHADER_TOKENS_H
30 #define P_SHADER_TOKENS_H
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 
37 struct tgsi_header
38 {
39    unsigned HeaderSize : 8;
40    unsigned BodySize   : 24;
41 };
42 
43 struct tgsi_processor
44 {
45    unsigned Processor  : 4;  /* PIPE_SHADER_ */
46    unsigned Padding    : 28;
47 };
48 
49 enum tgsi_token_type {
50    TGSI_TOKEN_TYPE_DECLARATION,
51    TGSI_TOKEN_TYPE_IMMEDIATE,
52    TGSI_TOKEN_TYPE_INSTRUCTION,
53    TGSI_TOKEN_TYPE_PROPERTY,
54 };
55 
56 struct tgsi_token
57 {
58    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_x */
59    unsigned NrTokens   : 8;  /**< UINT */
60    unsigned Padding    : 20;
61 };
62 
63 enum tgsi_file_type {
64    TGSI_FILE_NULL,
65    TGSI_FILE_CONSTANT,
66    TGSI_FILE_INPUT,
67    TGSI_FILE_OUTPUT,
68    TGSI_FILE_TEMPORARY,
69    TGSI_FILE_SAMPLER,
70    TGSI_FILE_ADDRESS,
71    TGSI_FILE_IMMEDIATE,
72    TGSI_FILE_PREDICATE,
73    TGSI_FILE_SYSTEM_VALUE,
74    TGSI_FILE_IMAGE,
75    TGSI_FILE_SAMPLER_VIEW,
76    TGSI_FILE_BUFFER,
77    TGSI_FILE_MEMORY,
78    TGSI_FILE_COUNT,      /**< how many TGSI_FILE_ types */
79 };
80 
81 
82 #define TGSI_WRITEMASK_NONE     0x00
83 #define TGSI_WRITEMASK_X        0x01
84 #define TGSI_WRITEMASK_Y        0x02
85 #define TGSI_WRITEMASK_XY       0x03
86 #define TGSI_WRITEMASK_Z        0x04
87 #define TGSI_WRITEMASK_XZ       0x05
88 #define TGSI_WRITEMASK_YZ       0x06
89 #define TGSI_WRITEMASK_XYZ      0x07
90 #define TGSI_WRITEMASK_W        0x08
91 #define TGSI_WRITEMASK_XW       0x09
92 #define TGSI_WRITEMASK_YW       0x0A
93 #define TGSI_WRITEMASK_XYW      0x0B
94 #define TGSI_WRITEMASK_ZW       0x0C
95 #define TGSI_WRITEMASK_XZW      0x0D
96 #define TGSI_WRITEMASK_YZW      0x0E
97 #define TGSI_WRITEMASK_XYZW     0x0F
98 
99 enum tgsi_interpolate_mode {
100    TGSI_INTERPOLATE_CONSTANT,
101    TGSI_INTERPOLATE_LINEAR,
102    TGSI_INTERPOLATE_PERSPECTIVE,
103    TGSI_INTERPOLATE_COLOR,          /* special color case for smooth/flat */
104    TGSI_INTERPOLATE_COUNT,
105 };
106 
107 enum tgsi_interpolate_loc {
108    TGSI_INTERPOLATE_LOC_CENTER,
109    TGSI_INTERPOLATE_LOC_CENTROID,
110    TGSI_INTERPOLATE_LOC_SAMPLE,
111    TGSI_INTERPOLATE_LOC_COUNT,
112 };
113 
114 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
115 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
116 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
117 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
118 
119 enum tgsi_memory_type {
120    TGSI_MEMORY_TYPE_GLOBAL,         /* OpenCL global              */
121    TGSI_MEMORY_TYPE_SHARED,         /* OpenCL local / GLSL shared */
122    TGSI_MEMORY_TYPE_PRIVATE,        /* OpenCL private             */
123    TGSI_MEMORY_TYPE_INPUT,          /* OpenCL kernel input params */
124    TGSI_MEMORY_TYPE_COUNT,
125 };
126 
127 struct tgsi_declaration
128 {
129    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
130    unsigned NrTokens    : 8;  /**< UINT */
131    unsigned File        : 4;  /**< one of TGSI_FILE_x */
132    unsigned UsageMask   : 4;  /**< bitmask of TGSI_WRITEMASK_x flags */
133    unsigned Dimension   : 1;  /**< any extra dimension info? */
134    unsigned Semantic    : 1;  /**< BOOL, any semantic info? */
135    unsigned Interpolate : 1;  /**< any interpolation info? */
136    unsigned Invariant   : 1;  /**< invariant optimization? */
137    unsigned Local       : 1;  /**< optimize as subroutine local variable? */
138    unsigned Array       : 1;  /**< extra array info? */
139    unsigned Atomic      : 1;  /**< atomic only? for TGSI_FILE_BUFFER */
140    unsigned MemType     : 2;  /**< TGSI_MEMORY_TYPE_x for TGSI_FILE_MEMORY */
141    unsigned Padding     : 3;
142 };
143 
144 struct tgsi_declaration_range
145 {
146    unsigned First   : 16; /**< UINT */
147    unsigned Last    : 16; /**< UINT */
148 };
149 
150 struct tgsi_declaration_dimension
151 {
152    unsigned Index2D:16; /**< UINT */
153    unsigned Padding:16;
154 };
155 
156 struct tgsi_declaration_interp
157 {
158    unsigned Interpolate : 4;   /**< one of TGSI_INTERPOLATE_x */
159    unsigned Location    : 2;   /**< one of TGSI_INTERPOLATE_LOC_x */
160    unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
161    unsigned Padding     : 22;
162 };
163 
164 enum tgsi_semantic {
165    TGSI_SEMANTIC_POSITION,
166    TGSI_SEMANTIC_COLOR,
167    TGSI_SEMANTIC_BCOLOR,       /**< back-face color */
168    TGSI_SEMANTIC_FOG,
169    TGSI_SEMANTIC_PSIZE,
170    TGSI_SEMANTIC_GENERIC,
171    TGSI_SEMANTIC_NORMAL,
172    TGSI_SEMANTIC_FACE,
173    TGSI_SEMANTIC_EDGEFLAG,
174    TGSI_SEMANTIC_PRIMID,
175    TGSI_SEMANTIC_INSTANCEID,  /**< doesn't include start_instance */
176    TGSI_SEMANTIC_VERTEXID,
177    TGSI_SEMANTIC_STENCIL,
178    TGSI_SEMANTIC_CLIPDIST,
179    TGSI_SEMANTIC_CLIPVERTEX,
180    TGSI_SEMANTIC_GRID_SIZE,   /**< grid size in blocks */
181    TGSI_SEMANTIC_BLOCK_ID,    /**< id of the current block */
182    TGSI_SEMANTIC_BLOCK_SIZE,  /**< block size in threads */
183    TGSI_SEMANTIC_THREAD_ID,   /**< block-relative id of the current thread */
184    TGSI_SEMANTIC_TEXCOORD,    /**< texture or sprite coordinates */
185    TGSI_SEMANTIC_PCOORD,      /**< point sprite coordinate */
186    TGSI_SEMANTIC_VIEWPORT_INDEX,  /**< viewport index */
187    TGSI_SEMANTIC_LAYER,       /**< layer (rendertarget index) */
188    TGSI_SEMANTIC_SAMPLEID,
189    TGSI_SEMANTIC_SAMPLEPOS,
190    TGSI_SEMANTIC_SAMPLEMASK,
191    TGSI_SEMANTIC_INVOCATIONID,
192    TGSI_SEMANTIC_VERTEXID_NOBASE,
193    TGSI_SEMANTIC_BASEVERTEX,
194    TGSI_SEMANTIC_PATCH,       /**< generic per-patch semantic */
195    TGSI_SEMANTIC_TESSCOORD,   /**< coordinate being processed by tess */
196    TGSI_SEMANTIC_TESSOUTER,   /**< outer tessellation levels */
197    TGSI_SEMANTIC_TESSINNER,   /**< inner tessellation levels */
198    TGSI_SEMANTIC_VERTICESIN,  /**< number of input vertices */
199    TGSI_SEMANTIC_HELPER_INVOCATION,  /**< current invocation is helper */
200    TGSI_SEMANTIC_BASEINSTANCE,
201    TGSI_SEMANTIC_DRAWID,
202    TGSI_SEMANTIC_WORK_DIM,    /**< opencl get_work_dim value */
203    TGSI_SEMANTIC_COUNT,       /**< number of semantic values */
204 };
205 
206 struct tgsi_declaration_semantic
207 {
208    unsigned Name           : 8;  /**< one of TGSI_SEMANTIC_x */
209    unsigned Index          : 16; /**< UINT */
210    unsigned StreamX        : 2; /**< vertex stream (for GS output) */
211    unsigned StreamY        : 2;
212    unsigned StreamZ        : 2;
213    unsigned StreamW        : 2;
214 };
215 
216 struct tgsi_declaration_image {
217    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
218    unsigned Raw         : 1;
219    unsigned Writable    : 1;
220    unsigned Format      : 10; /**< one of PIPE_FORMAT_ */
221    unsigned Padding     : 12;
222 };
223 
224 enum tgsi_return_type {
225    TGSI_RETURN_TYPE_UNORM = 0,
226    TGSI_RETURN_TYPE_SNORM,
227    TGSI_RETURN_TYPE_SINT,
228    TGSI_RETURN_TYPE_UINT,
229    TGSI_RETURN_TYPE_FLOAT,
230    TGSI_RETURN_TYPE_COUNT
231 };
232 
233 struct tgsi_declaration_sampler_view {
234    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
235    unsigned ReturnTypeX : 6; /**< one of enum tgsi_return_type */
236    unsigned ReturnTypeY : 6; /**< one of enum tgsi_return_type */
237    unsigned ReturnTypeZ : 6; /**< one of enum tgsi_return_type */
238    unsigned ReturnTypeW : 6; /**< one of enum tgsi_return_type */
239 };
240 
241 struct tgsi_declaration_array {
242    unsigned ArrayID : 10;
243    unsigned Padding : 22;
244 };
245 
246 enum tgsi_imm_type {
247    TGSI_IMM_FLOAT32,
248    TGSI_IMM_UINT32,
249    TGSI_IMM_INT32,
250    TGSI_IMM_FLOAT64,
251    TGSI_IMM_UINT64,
252    TGSI_IMM_INT64,
253 };
254 
255 struct tgsi_immediate
256 {
257    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_IMMEDIATE */
258    unsigned NrTokens   : 14; /**< UINT */
259    unsigned DataType   : 4;  /**< one of TGSI_IMM_x */
260    unsigned Padding    : 10;
261 };
262 
263 union tgsi_immediate_data
264 {
265    float Float;
266    unsigned Uint;
267    int Int;
268 };
269 
270 enum tgsi_property_name {
271    TGSI_PROPERTY_GS_INPUT_PRIM,
272    TGSI_PROPERTY_GS_OUTPUT_PRIM,
273    TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES,
274    TGSI_PROPERTY_FS_COORD_ORIGIN,
275    TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
276    TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS,
277    TGSI_PROPERTY_FS_DEPTH_LAYOUT,
278    TGSI_PROPERTY_VS_PROHIBIT_UCPS,
279    TGSI_PROPERTY_GS_INVOCATIONS,
280    TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION,
281    TGSI_PROPERTY_TCS_VERTICES_OUT,
282    TGSI_PROPERTY_TES_PRIM_MODE,
283    TGSI_PROPERTY_TES_SPACING,
284    TGSI_PROPERTY_TES_VERTEX_ORDER_CW,
285    TGSI_PROPERTY_TES_POINT_MODE,
286    TGSI_PROPERTY_NUM_CLIPDIST_ENABLED,
287    TGSI_PROPERTY_NUM_CULLDIST_ENABLED,
288    TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL,
289    TGSI_PROPERTY_NEXT_SHADER,
290    TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH,
291    TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT,
292    TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH,
293    TGSI_PROPERTY_COUNT,
294 };
295 
296 struct tgsi_property {
297    unsigned Type         : 4;  /**< TGSI_TOKEN_TYPE_PROPERTY */
298    unsigned NrTokens     : 8;  /**< UINT */
299    unsigned PropertyName : 8;  /**< one of TGSI_PROPERTY */
300    unsigned Padding      : 12;
301 };
302 
303 enum tgsi_fs_coord_origin {
304    TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
305    TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
306 };
307 
308 enum tgsi_fs_coord_pixcenter {
309    TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
310    TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
311 };
312 
313 enum tgsi_fs_depth_layout {
314    TGSI_FS_DEPTH_LAYOUT_NONE,
315    TGSI_FS_DEPTH_LAYOUT_ANY,
316    TGSI_FS_DEPTH_LAYOUT_GREATER,
317    TGSI_FS_DEPTH_LAYOUT_LESS,
318    TGSI_FS_DEPTH_LAYOUT_UNCHANGED,
319 };
320 
321 struct tgsi_property_data {
322    unsigned Data;
323 };
324 
325 /* TGSI opcodes.
326  *
327  * For more information on semantics of opcodes and
328  * which APIs are known to use which opcodes, see
329  * gallium/docs/source/tgsi.rst
330  */
331 #define TGSI_OPCODE_ARL                 0
332 #define TGSI_OPCODE_MOV                 1
333 #define TGSI_OPCODE_LIT                 2
334 #define TGSI_OPCODE_RCP                 3
335 #define TGSI_OPCODE_RSQ                 4
336 #define TGSI_OPCODE_EXP                 5
337 #define TGSI_OPCODE_LOG                 6
338 #define TGSI_OPCODE_MUL                 7
339 #define TGSI_OPCODE_ADD                 8
340 #define TGSI_OPCODE_DP3                 9
341 #define TGSI_OPCODE_DP4                 10
342 #define TGSI_OPCODE_DST                 11
343 #define TGSI_OPCODE_MIN                 12
344 #define TGSI_OPCODE_MAX                 13
345 #define TGSI_OPCODE_SLT                 14
346 #define TGSI_OPCODE_SGE                 15
347 #define TGSI_OPCODE_MAD                 16
348 /* gap */
349 #define TGSI_OPCODE_LRP                 18
350 #define TGSI_OPCODE_FMA                 19
351 #define TGSI_OPCODE_SQRT                20
352 #define TGSI_OPCODE_DP2A                21
353 #define TGSI_OPCODE_F2U64               22
354 #define TGSI_OPCODE_F2I64               23
355 #define TGSI_OPCODE_FRC                 24
356 #define TGSI_OPCODE_CLAMP               25
357 #define TGSI_OPCODE_FLR                 26
358 #define TGSI_OPCODE_ROUND               27
359 #define TGSI_OPCODE_EX2                 28
360 #define TGSI_OPCODE_LG2                 29
361 #define TGSI_OPCODE_POW                 30
362 #define TGSI_OPCODE_XPD                 31
363 #define TGSI_OPCODE_U2I64               32
364 /* gap */
365 #define TGSI_OPCODE_I2I64               34
366 #define TGSI_OPCODE_DPH                 35
367 #define TGSI_OPCODE_COS                 36
368 #define TGSI_OPCODE_DDX                 37
369 #define TGSI_OPCODE_DDY                 38
370 #define TGSI_OPCODE_KILL                39 /* unconditional */
371 #define TGSI_OPCODE_PK2H                40
372 #define TGSI_OPCODE_PK2US               41
373 #define TGSI_OPCODE_PK4B                42
374 #define TGSI_OPCODE_PK4UB               43
375 #define TGSI_OPCODE_D2U64               44
376 #define TGSI_OPCODE_SEQ                 45
377 #define TGSI_OPCODE_D2I64               46
378 #define TGSI_OPCODE_SGT                 47
379 #define TGSI_OPCODE_SIN                 48
380 #define TGSI_OPCODE_SLE                 49
381 #define TGSI_OPCODE_SNE                 50
382 #define TGSI_OPCODE_U642D               51
383 #define TGSI_OPCODE_TEX                 52
384 #define TGSI_OPCODE_TXD                 53
385 #define TGSI_OPCODE_TXP                 54
386 #define TGSI_OPCODE_UP2H                55
387 #define TGSI_OPCODE_UP2US               56
388 #define TGSI_OPCODE_UP4B                57
389 #define TGSI_OPCODE_UP4UB               58
390 #define TGSI_OPCODE_U642F               59
391 #define TGSI_OPCODE_I642F               60
392 #define TGSI_OPCODE_ARR                 61
393 #define TGSI_OPCODE_I642D               62
394 #define TGSI_OPCODE_CAL                 63
395 #define TGSI_OPCODE_RET                 64
396 #define TGSI_OPCODE_SSG                 65 /* SGN */
397 #define TGSI_OPCODE_CMP                 66
398 #define TGSI_OPCODE_SCS                 67
399 #define TGSI_OPCODE_TXB                 68
400 #define TGSI_OPCODE_FBFETCH             69
401 #define TGSI_OPCODE_DIV                 70
402 #define TGSI_OPCODE_DP2                 71
403 #define TGSI_OPCODE_TXL                 72
404 #define TGSI_OPCODE_BRK                 73
405 #define TGSI_OPCODE_IF                  74
406 #define TGSI_OPCODE_UIF                 75
407                                 /* gap */
408 #define TGSI_OPCODE_ELSE                77
409 #define TGSI_OPCODE_ENDIF               78
410 
411 #define TGSI_OPCODE_DDX_FINE            79
412 #define TGSI_OPCODE_DDY_FINE            80
413 
414 #define TGSI_OPCODE_PUSHA               81
415 #define TGSI_OPCODE_POPA                82
416 #define TGSI_OPCODE_CEIL                83
417 #define TGSI_OPCODE_I2F                 84
418 #define TGSI_OPCODE_NOT                 85
419 #define TGSI_OPCODE_TRUNC               86
420 #define TGSI_OPCODE_SHL                 87
421                                 /* gap */
422 #define TGSI_OPCODE_AND                 89
423 #define TGSI_OPCODE_OR                  90
424 #define TGSI_OPCODE_MOD                 91
425 #define TGSI_OPCODE_XOR                 92
426 #define TGSI_OPCODE_SAD                 93
427 #define TGSI_OPCODE_TXF                 94
428 #define TGSI_OPCODE_TXQ                 95
429 #define TGSI_OPCODE_CONT                96
430 #define TGSI_OPCODE_EMIT                97
431 #define TGSI_OPCODE_ENDPRIM             98
432 #define TGSI_OPCODE_BGNLOOP             99
433 #define TGSI_OPCODE_BGNSUB              100
434 #define TGSI_OPCODE_ENDLOOP             101
435 #define TGSI_OPCODE_ENDSUB              102
436 #define TGSI_OPCODE_TXQ_LZ              103 /* TXQ for mipmap level 0 */
437 #define TGSI_OPCODE_TXQS                104
438 #define TGSI_OPCODE_RESQ                105
439                                 /* gap */
440 #define TGSI_OPCODE_NOP                 107
441 
442 #define TGSI_OPCODE_FSEQ                108
443 #define TGSI_OPCODE_FSGE                109
444 #define TGSI_OPCODE_FSLT                110
445 #define TGSI_OPCODE_FSNE                111
446 
447 #define TGSI_OPCODE_MEMBAR              112
448 #define TGSI_OPCODE_CALLNZ              113
449                                 /* gap */
450 #define TGSI_OPCODE_BREAKC              115
451 #define TGSI_OPCODE_KILL_IF             116  /* conditional kill */
452 #define TGSI_OPCODE_END                 117  /* aka HALT */
453 #define TGSI_OPCODE_DFMA                118
454 #define TGSI_OPCODE_F2I                 119
455 #define TGSI_OPCODE_IDIV                120
456 #define TGSI_OPCODE_IMAX                121
457 #define TGSI_OPCODE_IMIN                122
458 #define TGSI_OPCODE_INEG                123
459 #define TGSI_OPCODE_ISGE                124
460 #define TGSI_OPCODE_ISHR                125
461 #define TGSI_OPCODE_ISLT                126
462 #define TGSI_OPCODE_F2U                 127
463 #define TGSI_OPCODE_U2F                 128
464 #define TGSI_OPCODE_UADD                129
465 #define TGSI_OPCODE_UDIV                130
466 #define TGSI_OPCODE_UMAD                131
467 #define TGSI_OPCODE_UMAX                132
468 #define TGSI_OPCODE_UMIN                133
469 #define TGSI_OPCODE_UMOD                134
470 #define TGSI_OPCODE_UMUL                135
471 #define TGSI_OPCODE_USEQ                136
472 #define TGSI_OPCODE_USGE                137
473 #define TGSI_OPCODE_USHR                138
474 #define TGSI_OPCODE_USLT                139
475 #define TGSI_OPCODE_USNE                140
476 #define TGSI_OPCODE_SWITCH              141
477 #define TGSI_OPCODE_CASE                142
478 #define TGSI_OPCODE_DEFAULT             143
479 #define TGSI_OPCODE_ENDSWITCH           144
480 
481 /* resource related opcodes */
482 #define TGSI_OPCODE_SAMPLE              145
483 #define TGSI_OPCODE_SAMPLE_I            146
484 #define TGSI_OPCODE_SAMPLE_I_MS         147
485 #define TGSI_OPCODE_SAMPLE_B            148
486 #define TGSI_OPCODE_SAMPLE_C            149
487 #define TGSI_OPCODE_SAMPLE_C_LZ         150
488 #define TGSI_OPCODE_SAMPLE_D            151
489 #define TGSI_OPCODE_SAMPLE_L            152
490 #define TGSI_OPCODE_GATHER4             153
491 #define TGSI_OPCODE_SVIEWINFO           154
492 #define TGSI_OPCODE_SAMPLE_POS          155
493 #define TGSI_OPCODE_SAMPLE_INFO         156
494 
495 #define TGSI_OPCODE_UARL                157
496 #define TGSI_OPCODE_UCMP                158
497 #define TGSI_OPCODE_IABS                159
498 #define TGSI_OPCODE_ISSG                160
499 
500 #define TGSI_OPCODE_LOAD                161
501 #define TGSI_OPCODE_STORE               162
502 
503 #define TGSI_OPCODE_MFENCE              163
504 #define TGSI_OPCODE_LFENCE              164
505 #define TGSI_OPCODE_SFENCE              165
506 #define TGSI_OPCODE_BARRIER             166
507 
508 #define TGSI_OPCODE_ATOMUADD            167
509 #define TGSI_OPCODE_ATOMXCHG            168
510 #define TGSI_OPCODE_ATOMCAS             169
511 #define TGSI_OPCODE_ATOMAND             170
512 #define TGSI_OPCODE_ATOMOR              171
513 #define TGSI_OPCODE_ATOMXOR             172
514 #define TGSI_OPCODE_ATOMUMIN            173
515 #define TGSI_OPCODE_ATOMUMAX            174
516 #define TGSI_OPCODE_ATOMIMIN            175
517 #define TGSI_OPCODE_ATOMIMAX            176
518 
519 /* to be used for shadow cube map compares */
520 #define TGSI_OPCODE_TEX2                177
521 #define TGSI_OPCODE_TXB2                178
522 #define TGSI_OPCODE_TXL2                179
523 
524 #define TGSI_OPCODE_IMUL_HI             180
525 #define TGSI_OPCODE_UMUL_HI             181
526 
527 #define TGSI_OPCODE_TG4                 182
528 
529 #define TGSI_OPCODE_LODQ                183
530 
531 #define TGSI_OPCODE_IBFE                184
532 #define TGSI_OPCODE_UBFE                185
533 #define TGSI_OPCODE_BFI                 186
534 #define TGSI_OPCODE_BREV                187
535 #define TGSI_OPCODE_POPC                188
536 #define TGSI_OPCODE_LSB                 189
537 #define TGSI_OPCODE_IMSB                190
538 #define TGSI_OPCODE_UMSB                191
539 
540 #define TGSI_OPCODE_INTERP_CENTROID     192
541 #define TGSI_OPCODE_INTERP_SAMPLE       193
542 #define TGSI_OPCODE_INTERP_OFFSET       194
543 
544 /* sm5 marked opcodes are supported in D3D11 optionally - also DMOV, DMOVC */
545 #define TGSI_OPCODE_F2D                 195 /* SM5 */
546 #define TGSI_OPCODE_D2F                 196
547 #define TGSI_OPCODE_DABS                197
548 #define TGSI_OPCODE_DNEG                198 /* SM5 */
549 #define TGSI_OPCODE_DADD                199 /* SM5 */
550 #define TGSI_OPCODE_DMUL                200 /* SM5 */
551 #define TGSI_OPCODE_DMAX                201 /* SM5 */
552 #define TGSI_OPCODE_DMIN                202 /* SM5 */
553 #define TGSI_OPCODE_DSLT                203 /* SM5 */
554 #define TGSI_OPCODE_DSGE                204 /* SM5 */
555 #define TGSI_OPCODE_DSEQ                205 /* SM5 */
556 #define TGSI_OPCODE_DSNE                206 /* SM5 */
557 #define TGSI_OPCODE_DRCP                207 /* eg, cayman */
558 #define TGSI_OPCODE_DSQRT               208 /* eg, cayman also has DRSQ */
559 #define TGSI_OPCODE_DMAD                209
560 #define TGSI_OPCODE_DFRAC               210 /* eg, cayman */
561 #define TGSI_OPCODE_DLDEXP              211 /* eg, cayman */
562 #define TGSI_OPCODE_DFRACEXP            212 /* eg, cayman */
563 #define TGSI_OPCODE_D2I                 213
564 #define TGSI_OPCODE_I2D                 214
565 #define TGSI_OPCODE_D2U                 215
566 #define TGSI_OPCODE_U2D                 216
567 #define TGSI_OPCODE_DRSQ                217 /* eg, cayman also has DRSQ */
568 #define TGSI_OPCODE_DTRUNC              218 /* nvc0 */
569 #define TGSI_OPCODE_DCEIL               219 /* nvc0 */
570 #define TGSI_OPCODE_DFLR                220 /* nvc0 */
571 #define TGSI_OPCODE_DROUND              221 /* nvc0 */
572 #define TGSI_OPCODE_DSSG                222
573 
574 #define TGSI_OPCODE_VOTE_ANY            223
575 #define TGSI_OPCODE_VOTE_ALL            224
576 #define TGSI_OPCODE_VOTE_EQ             225
577 
578 #define TGSI_OPCODE_U64SEQ              226
579 #define TGSI_OPCODE_U64SNE              227
580 #define TGSI_OPCODE_I64SLT              228
581 #define TGSI_OPCODE_U64SLT              229
582 #define TGSI_OPCODE_I64SGE              230
583 #define TGSI_OPCODE_U64SGE              231
584 
585 #define TGSI_OPCODE_I64MIN              232
586 #define TGSI_OPCODE_U64MIN              233
587 #define TGSI_OPCODE_I64MAX              234
588 #define TGSI_OPCODE_U64MAX              235
589 
590 #define TGSI_OPCODE_I64ABS              236
591 #define TGSI_OPCODE_I64SSG              237
592 #define TGSI_OPCODE_I64NEG              238
593 
594 #define TGSI_OPCODE_U64ADD              239
595 #define TGSI_OPCODE_U64MUL              240
596 #define TGSI_OPCODE_U64SHL              241
597 #define TGSI_OPCODE_I64SHR              242
598 #define TGSI_OPCODE_U64SHR              243
599 
600 #define TGSI_OPCODE_I64DIV              244
601 #define TGSI_OPCODE_U64DIV              245
602 #define TGSI_OPCODE_I64MOD              246
603 #define TGSI_OPCODE_U64MOD              247
604 
605 #define TGSI_OPCODE_DDIV                248
606 
607 #define TGSI_OPCODE_LAST                249
608 
609 /**
610  * Opcode is the operation code to execute. A given operation defines the
611  * semantics how the source registers (if any) are interpreted and what is
612  * written to the destination registers (if any) as a result of execution.
613  *
614  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
615  * respectively. For a given operation code, those numbers are fixed and are
616  * present here only for convenience.
617  *
618  * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
619  *
620  * Saturate controls how are final results in destination registers modified.
621  */
622 
623 struct tgsi_instruction
624 {
625    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
626    unsigned NrTokens   : 8;  /* UINT */
627    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
628    unsigned Saturate   : 1;  /* BOOL */
629    unsigned NumDstRegs : 2;  /* UINT */
630    unsigned NumSrcRegs : 4;  /* UINT */
631    unsigned Predicate  : 1;  /* BOOL */
632    unsigned Label      : 1;
633    unsigned Texture    : 1;
634    unsigned Memory     : 1;
635    unsigned Padding    : 1;
636 };
637 
638 /*
639  * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
640  *
641  * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
642  *   if texture instruction has a number of offsets,
643  *   then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
644  *
645  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
646  *
647  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
648  *
649  * tgsi_instruction::NrTokens contains the total number of words that make the
650  * instruction, including the instruction word.
651  */
652 
653 enum tgsi_swizzle {
654    TGSI_SWIZZLE_X,
655    TGSI_SWIZZLE_Y,
656    TGSI_SWIZZLE_Z,
657    TGSI_SWIZZLE_W,
658 };
659 
660 struct tgsi_instruction_label
661 {
662    unsigned Label    : 24;   /* UINT */
663    unsigned Padding  : 8;
664 };
665 
666 enum tgsi_texture_type {
667    TGSI_TEXTURE_BUFFER,
668    TGSI_TEXTURE_1D,
669    TGSI_TEXTURE_2D,
670    TGSI_TEXTURE_3D,
671    TGSI_TEXTURE_CUBE,
672    TGSI_TEXTURE_RECT,
673    TGSI_TEXTURE_SHADOW1D,
674    TGSI_TEXTURE_SHADOW2D,
675    TGSI_TEXTURE_SHADOWRECT,
676    TGSI_TEXTURE_1D_ARRAY,
677    TGSI_TEXTURE_2D_ARRAY,
678    TGSI_TEXTURE_SHADOW1D_ARRAY,
679    TGSI_TEXTURE_SHADOW2D_ARRAY,
680    TGSI_TEXTURE_SHADOWCUBE,
681    TGSI_TEXTURE_2D_MSAA,
682    TGSI_TEXTURE_2D_ARRAY_MSAA,
683    TGSI_TEXTURE_CUBE_ARRAY,
684    TGSI_TEXTURE_SHADOWCUBE_ARRAY,
685    TGSI_TEXTURE_UNKNOWN,
686    TGSI_TEXTURE_COUNT,
687 };
688 
689 struct tgsi_instruction_texture
690 {
691    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
692    unsigned NumOffsets : 4;
693    unsigned Padding : 20;
694 };
695 
696 /* for texture offsets in GLSL and DirectX.
697  * Generally these always come from TGSI_FILE_IMMEDIATE,
698  * however DX11 appears to have the capability to do
699  * non-constant texture offsets.
700  */
701 struct tgsi_texture_offset
702 {
703    int      Index    : 16;
704    unsigned File     : 4;  /**< one of TGSI_FILE_x */
705    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
706    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
707    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
708    unsigned Padding  : 6;
709 };
710 
711 /*
712  * For SM3, the following constraint applies.
713  *   - Swizzle is either set to identity or replicate.
714  */
715 struct tgsi_instruction_predicate
716 {
717    int      Index    : 16; /* SINT */
718    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
719    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
720    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
721    unsigned SwizzleW : 2;  /* TGSI_SWIZZLE_x */
722    unsigned Negate   : 1;  /* BOOL */
723    unsigned Padding  : 7;
724 };
725 
726 /**
727  * File specifies the register array to access.
728  *
729  * Index specifies the element number of a register in the register file.
730  *
731  * If Indirect is TRUE, Index should be offset by the X component of the indirect
732  * register that follows. The register can be now fetched into local storage
733  * for further processing.
734  *
735  * If Negate is TRUE, all components of the fetched register are negated.
736  *
737  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
738  * SwizzleZ and SwizzleW.
739  *
740  */
741 
742 struct tgsi_src_register
743 {
744    unsigned File        : 4;  /* TGSI_FILE_ */
745    unsigned Indirect    : 1;  /* BOOL */
746    unsigned Dimension   : 1;  /* BOOL */
747    int      Index       : 16; /* SINT */
748    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
749    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
750    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
751    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
752    unsigned Absolute    : 1;    /* BOOL */
753    unsigned Negate      : 1;    /* BOOL */
754 };
755 
756 /**
757  * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
758  *
759  * File, Index and Swizzle are handled the same as in tgsi_src_register.
760  *
761  * If ArrayID is zero the whole register file might be indirectly addressed,
762  * if not only the Declaration with this ArrayID is accessed by this operand.
763  *
764  */
765 
766 struct tgsi_ind_register
767 {
768    unsigned File    : 4;  /* TGSI_FILE_ */
769    int      Index   : 16; /* SINT */
770    unsigned Swizzle : 2;  /* TGSI_SWIZZLE_ */
771    unsigned ArrayID : 10; /* UINT */
772 };
773 
774 /**
775  * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
776  */
777 
778 struct tgsi_dimension
779 {
780    unsigned Indirect    : 1;  /* BOOL */
781    unsigned Dimension   : 1;  /* BOOL */
782    unsigned Padding     : 14;
783    int      Index       : 16; /* SINT */
784 };
785 
786 struct tgsi_dst_register
787 {
788    unsigned File        : 4;  /* TGSI_FILE_ */
789    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
790    unsigned Indirect    : 1;  /* BOOL */
791    unsigned Dimension   : 1;  /* BOOL */
792    int      Index       : 16; /* SINT */
793    unsigned Padding     : 6;
794 };
795 
796 #define TGSI_MEMORY_COHERENT (1 << 0)
797 #define TGSI_MEMORY_RESTRICT (1 << 1)
798 #define TGSI_MEMORY_VOLATILE (1 << 2)
799 
800 /**
801  * Specifies the type of memory access to do for the LOAD/STORE instruction.
802  */
803 struct tgsi_instruction_memory
804 {
805    unsigned Qualifier : 3;  /* TGSI_MEMORY_ */
806    unsigned Texture   : 8;  /* only for images: TGSI_TEXTURE_ */
807    unsigned Format    : 10; /* only for images: PIPE_FORMAT_ */
808    unsigned Padding   : 11;
809 };
810 
811 #define TGSI_MEMBAR_SHADER_BUFFER (1 << 0)
812 #define TGSI_MEMBAR_ATOMIC_BUFFER (1 << 1)
813 #define TGSI_MEMBAR_SHADER_IMAGE  (1 << 2)
814 #define TGSI_MEMBAR_SHARED        (1 << 3)
815 #define TGSI_MEMBAR_THREAD_GROUP  (1 << 4)
816 
817 #ifdef __cplusplus
818 }
819 #endif
820 
821 #endif /* P_SHADER_TOKENS_H */
822