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