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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 enum tgsi_memory_type {
116    TGSI_MEMORY_TYPE_GLOBAL,         /* OpenCL global              */
117    TGSI_MEMORY_TYPE_SHARED,         /* OpenCL local / GLSL shared */
118    TGSI_MEMORY_TYPE_PRIVATE,        /* OpenCL private             */
119    TGSI_MEMORY_TYPE_INPUT,          /* OpenCL kernel input params */
120    TGSI_MEMORY_TYPE_COUNT,
121 };
122 
123 struct tgsi_declaration
124 {
125    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
126    unsigned NrTokens    : 8;  /**< UINT */
127    unsigned File        : 4;  /**< one of TGSI_FILE_x */
128    unsigned UsageMask   : 4;  /**< bitmask of TGSI_WRITEMASK_x flags */
129    unsigned Dimension   : 1;  /**< any extra dimension info? */
130    unsigned Semantic    : 1;  /**< BOOL, any semantic info? */
131    unsigned Interpolate : 1;  /**< any interpolation info? */
132    unsigned Invariant   : 1;  /**< invariant optimization? */
133    unsigned Local       : 1;  /**< optimize as subroutine local variable? */
134    unsigned Array       : 1;  /**< extra array info? */
135    unsigned Atomic      : 1;  /**< atomic only? for TGSI_FILE_BUFFER */
136    unsigned MemType     : 2;  /**< TGSI_MEMORY_TYPE_x for TGSI_FILE_MEMORY */
137    unsigned Padding     : 3;
138 };
139 
140 struct tgsi_declaration_range
141 {
142    unsigned First   : 16; /**< UINT */
143    unsigned Last    : 16; /**< UINT */
144 };
145 
146 struct tgsi_declaration_dimension
147 {
148    unsigned Index2D:16; /**< UINT */
149    unsigned Padding:16;
150 };
151 
152 struct tgsi_declaration_interp
153 {
154    unsigned Interpolate : 4;   /**< one of TGSI_INTERPOLATE_x */
155    unsigned Location    : 2;   /**< one of TGSI_INTERPOLATE_LOC_x */
156    unsigned Padding     : 26;
157 };
158 
159 enum tgsi_semantic {
160    TGSI_SEMANTIC_POSITION,
161    TGSI_SEMANTIC_COLOR,
162    TGSI_SEMANTIC_BCOLOR,       /**< back-face color */
163    TGSI_SEMANTIC_FOG,
164    TGSI_SEMANTIC_PSIZE,
165    TGSI_SEMANTIC_GENERIC,
166    TGSI_SEMANTIC_NORMAL,
167    TGSI_SEMANTIC_FACE,
168    TGSI_SEMANTIC_EDGEFLAG,
169    TGSI_SEMANTIC_PRIMID,
170    TGSI_SEMANTIC_INSTANCEID,  /**< doesn't include start_instance */
171    TGSI_SEMANTIC_VERTEXID,
172    TGSI_SEMANTIC_STENCIL,
173    TGSI_SEMANTIC_CLIPDIST,
174    TGSI_SEMANTIC_CLIPVERTEX,
175    TGSI_SEMANTIC_GRID_SIZE,   /**< grid size in blocks */
176    TGSI_SEMANTIC_BLOCK_ID,    /**< id of the current block */
177    TGSI_SEMANTIC_BLOCK_SIZE,  /**< block size in threads */
178    TGSI_SEMANTIC_THREAD_ID,   /**< block-relative id of the current thread */
179    TGSI_SEMANTIC_TEXCOORD,    /**< texture or sprite coordinates */
180    TGSI_SEMANTIC_PCOORD,      /**< point sprite coordinate */
181    TGSI_SEMANTIC_VIEWPORT_INDEX,  /**< viewport index */
182    TGSI_SEMANTIC_LAYER,       /**< layer (rendertarget index) */
183    TGSI_SEMANTIC_SAMPLEID,
184    TGSI_SEMANTIC_SAMPLEPOS,
185    TGSI_SEMANTIC_SAMPLEMASK,
186    TGSI_SEMANTIC_INVOCATIONID,
187    TGSI_SEMANTIC_VERTEXID_NOBASE,
188    TGSI_SEMANTIC_BASEVERTEX,
189    TGSI_SEMANTIC_PATCH,       /**< generic per-patch semantic */
190    TGSI_SEMANTIC_TESSCOORD,   /**< coordinate being processed by tess */
191    TGSI_SEMANTIC_TESSOUTER,   /**< outer tessellation levels */
192    TGSI_SEMANTIC_TESSINNER,   /**< inner tessellation levels */
193    TGSI_SEMANTIC_VERTICESIN,  /**< number of input vertices */
194    TGSI_SEMANTIC_HELPER_INVOCATION,  /**< current invocation is helper */
195    TGSI_SEMANTIC_BASEINSTANCE,
196    TGSI_SEMANTIC_DRAWID,
197    TGSI_SEMANTIC_WORK_DIM,    /**< opencl get_work_dim value */
198    TGSI_SEMANTIC_SUBGROUP_SIZE,
199    TGSI_SEMANTIC_SUBGROUP_INVOCATION,
200    TGSI_SEMANTIC_SUBGROUP_EQ_MASK,
201    TGSI_SEMANTIC_SUBGROUP_GE_MASK,
202    TGSI_SEMANTIC_SUBGROUP_GT_MASK,
203    TGSI_SEMANTIC_SUBGROUP_LE_MASK,
204    TGSI_SEMANTIC_SUBGROUP_LT_MASK,
205    TGSI_SEMANTIC_CS_USER_DATA_AMD,
206    TGSI_SEMANTIC_VIEWPORT_MASK,
207    TGSI_SEMANTIC_TESS_DEFAULT_OUTER_LEVEL, /**< from set_tess_state */
208    TGSI_SEMANTIC_TESS_DEFAULT_INNER_LEVEL, /**< from set_tess_state */
209    TGSI_SEMANTIC_COUNT,       /**< number of semantic values */
210 };
211 
212 struct tgsi_declaration_semantic
213 {
214    unsigned Name           : 8;  /**< one of TGSI_SEMANTIC_x */
215    unsigned Index          : 16; /**< UINT */
216    unsigned StreamX        : 2; /**< vertex stream (for GS output) */
217    unsigned StreamY        : 2;
218    unsigned StreamZ        : 2;
219    unsigned StreamW        : 2;
220 };
221 
222 struct tgsi_declaration_image {
223    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
224    unsigned Raw         : 1;
225    unsigned Writable    : 1;
226    unsigned Format      : 10; /**< one of PIPE_FORMAT_ */
227    unsigned Padding     : 12;
228 };
229 
230 enum tgsi_return_type {
231    TGSI_RETURN_TYPE_UNORM = 0,
232    TGSI_RETURN_TYPE_SNORM,
233    TGSI_RETURN_TYPE_SINT,
234    TGSI_RETURN_TYPE_UINT,
235    TGSI_RETURN_TYPE_FLOAT,
236    TGSI_RETURN_TYPE_UNKNOWN,
237    TGSI_RETURN_TYPE_COUNT
238 };
239 
240 struct tgsi_declaration_sampler_view {
241    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
242    unsigned ReturnTypeX : 6; /**< one of enum tgsi_return_type */
243    unsigned ReturnTypeY : 6; /**< one of enum tgsi_return_type */
244    unsigned ReturnTypeZ : 6; /**< one of enum tgsi_return_type */
245    unsigned ReturnTypeW : 6; /**< one of enum tgsi_return_type */
246 };
247 
248 struct tgsi_declaration_array {
249    unsigned ArrayID : 10;
250    unsigned Padding : 22;
251 };
252 
253 enum tgsi_imm_type {
254    TGSI_IMM_FLOAT32,
255    TGSI_IMM_UINT32,
256    TGSI_IMM_INT32,
257    TGSI_IMM_FLOAT64,
258    TGSI_IMM_UINT64,
259    TGSI_IMM_INT64,
260 };
261 
262 struct tgsi_immediate
263 {
264    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_IMMEDIATE */
265    unsigned NrTokens   : 14; /**< UINT */
266    unsigned DataType   : 4;  /**< one of TGSI_IMM_x */
267    unsigned Padding    : 10;
268 };
269 
270 union tgsi_immediate_data
271 {
272    float Float;
273    unsigned Uint;
274    int Int;
275 };
276 
277 enum tgsi_property_name {
278    TGSI_PROPERTY_GS_INPUT_PRIM,
279    TGSI_PROPERTY_GS_OUTPUT_PRIM,
280    TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES,
281    TGSI_PROPERTY_FS_COORD_ORIGIN,
282    TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
283    TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS,
284    TGSI_PROPERTY_FS_DEPTH_LAYOUT,
285    TGSI_PROPERTY_VS_PROHIBIT_UCPS,
286    TGSI_PROPERTY_GS_INVOCATIONS,
287    TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION,
288    TGSI_PROPERTY_TCS_VERTICES_OUT,
289    TGSI_PROPERTY_TES_PRIM_MODE,
290    TGSI_PROPERTY_TES_SPACING,
291    TGSI_PROPERTY_TES_VERTEX_ORDER_CW,
292    TGSI_PROPERTY_TES_POINT_MODE,
293    TGSI_PROPERTY_NUM_CLIPDIST_ENABLED,
294    TGSI_PROPERTY_NUM_CULLDIST_ENABLED,
295    TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL,
296    TGSI_PROPERTY_FS_POST_DEPTH_COVERAGE,
297    TGSI_PROPERTY_NEXT_SHADER,
298    TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH,
299    TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT,
300    TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH,
301    TGSI_PROPERTY_MUL_ZERO_WINS,
302    TGSI_PROPERTY_VS_BLIT_SGPRS_AMD,
303    TGSI_PROPERTY_CS_USER_DATA_COMPONENTS_AMD,
304    TGSI_PROPERTY_LAYER_VIEWPORT_RELATIVE,
305    TGSI_PROPERTY_FS_BLEND_EQUATION_ADVANCED,
306    TGSI_PROPERTY_COUNT,
307 };
308 
309 struct tgsi_property {
310    unsigned Type         : 4;  /**< TGSI_TOKEN_TYPE_PROPERTY */
311    unsigned NrTokens     : 8;  /**< UINT */
312    unsigned PropertyName : 8;  /**< one of TGSI_PROPERTY */
313    unsigned Padding      : 12;
314 };
315 
316 enum tgsi_fs_coord_origin {
317    TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
318    TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
319 };
320 
321 enum tgsi_fs_coord_pixcenter {
322    TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
323    TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
324 };
325 
326 enum tgsi_fs_depth_layout {
327    TGSI_FS_DEPTH_LAYOUT_NONE,
328    TGSI_FS_DEPTH_LAYOUT_ANY,
329    TGSI_FS_DEPTH_LAYOUT_GREATER,
330    TGSI_FS_DEPTH_LAYOUT_LESS,
331    TGSI_FS_DEPTH_LAYOUT_UNCHANGED,
332 };
333 
334 struct tgsi_property_data {
335    unsigned Data;
336 };
337 
338 /* TGSI opcodes.
339  *
340  * For more information on semantics of opcodes and
341  * which APIs are known to use which opcodes, see
342  * gallium/docs/source/tgsi.rst
343  */
344 enum tgsi_opcode {
345    TGSI_OPCODE_ARL                = 0,
346    TGSI_OPCODE_MOV                = 1,
347    TGSI_OPCODE_LIT                = 2,
348    TGSI_OPCODE_RCP                = 3,
349    TGSI_OPCODE_RSQ                = 4,
350    TGSI_OPCODE_EXP                = 5,
351    TGSI_OPCODE_LOG                = 6,
352    TGSI_OPCODE_MUL                = 7,
353    TGSI_OPCODE_ADD                = 8,
354    TGSI_OPCODE_DP3                = 9,
355    TGSI_OPCODE_DP4                = 10,
356    TGSI_OPCODE_DST                = 11,
357    TGSI_OPCODE_MIN                = 12,
358    TGSI_OPCODE_MAX                = 13,
359    TGSI_OPCODE_SLT                = 14,
360    TGSI_OPCODE_SGE                = 15,
361    TGSI_OPCODE_MAD                = 16,
362    TGSI_OPCODE_TEX_LZ             = 17,
363    TGSI_OPCODE_LRP                = 18,
364    TGSI_OPCODE_FMA                = 19,
365    TGSI_OPCODE_SQRT               = 20,
366    TGSI_OPCODE_LDEXP              = 21,
367    TGSI_OPCODE_F2U64              = 22,
368    TGSI_OPCODE_F2I64              = 23,
369    TGSI_OPCODE_FRC                = 24,
370    TGSI_OPCODE_TXF_LZ             = 25,
371    TGSI_OPCODE_FLR                = 26,
372    TGSI_OPCODE_ROUND              = 27,
373    TGSI_OPCODE_EX2                = 28,
374    TGSI_OPCODE_LG2                = 29,
375    TGSI_OPCODE_POW                = 30,
376    TGSI_OPCODE_DEMOTE             = 31,
377    TGSI_OPCODE_U2I64              = 32,
378    TGSI_OPCODE_CLOCK              = 33,
379    TGSI_OPCODE_I2I64              = 34,
380    TGSI_OPCODE_READ_HELPER        = 35,
381    TGSI_OPCODE_COS                = 36,
382    TGSI_OPCODE_DDX                = 37,
383    TGSI_OPCODE_DDY                = 38,
384    TGSI_OPCODE_KILL               = 39 /* unconditional */,
385    TGSI_OPCODE_PK2H               = 40,
386    TGSI_OPCODE_PK2US              = 41,
387    TGSI_OPCODE_PK4B               = 42,
388    TGSI_OPCODE_PK4UB              = 43,
389    TGSI_OPCODE_D2U64              = 44,
390    TGSI_OPCODE_SEQ                = 45,
391    TGSI_OPCODE_D2I64              = 46,
392    TGSI_OPCODE_SGT                = 47,
393    TGSI_OPCODE_SIN                = 48,
394    TGSI_OPCODE_SLE                = 49,
395    TGSI_OPCODE_SNE                = 50,
396    TGSI_OPCODE_U642D              = 51,
397    TGSI_OPCODE_TEX                = 52,
398    TGSI_OPCODE_TXD                = 53,
399    TGSI_OPCODE_TXP                = 54,
400    TGSI_OPCODE_UP2H               = 55,
401    TGSI_OPCODE_UP2US              = 56,
402    TGSI_OPCODE_UP4B               = 57,
403    TGSI_OPCODE_UP4UB              = 58,
404    TGSI_OPCODE_U642F              = 59,
405    TGSI_OPCODE_I642F              = 60,
406    TGSI_OPCODE_ARR                = 61,
407    TGSI_OPCODE_I642D              = 62,
408    TGSI_OPCODE_CAL                = 63,
409    TGSI_OPCODE_RET                = 64,
410    TGSI_OPCODE_SSG                = 65 /* SGN */,
411    TGSI_OPCODE_CMP                = 66,
412    /* gap */
413    TGSI_OPCODE_TXB                = 68,
414    TGSI_OPCODE_FBFETCH            = 69,
415    TGSI_OPCODE_DIV                = 70,
416    TGSI_OPCODE_DP2                = 71,
417    TGSI_OPCODE_TXL                = 72,
418    TGSI_OPCODE_BRK                = 73,
419    TGSI_OPCODE_IF                 = 74,
420    TGSI_OPCODE_UIF                = 75,
421    TGSI_OPCODE_READ_INVOC         = 76,
422    TGSI_OPCODE_ELSE               = 77,
423    TGSI_OPCODE_ENDIF              = 78,
424    TGSI_OPCODE_DDX_FINE           = 79,
425    TGSI_OPCODE_DDY_FINE           = 80,
426    /* gap */
427    TGSI_OPCODE_CEIL               = 83,
428    TGSI_OPCODE_I2F                = 84,
429    TGSI_OPCODE_NOT                = 85,
430    TGSI_OPCODE_TRUNC              = 86,
431    TGSI_OPCODE_SHL                = 87,
432    TGSI_OPCODE_BALLOT             = 88,
433    TGSI_OPCODE_AND                = 89,
434    TGSI_OPCODE_OR                 = 90,
435    TGSI_OPCODE_MOD                = 91,
436    TGSI_OPCODE_XOR                = 92,
437    /* gap */
438    TGSI_OPCODE_TXF                = 94,
439    TGSI_OPCODE_TXQ                = 95,
440    TGSI_OPCODE_CONT               = 96,
441    TGSI_OPCODE_EMIT               = 97,
442    TGSI_OPCODE_ENDPRIM            = 98,
443    TGSI_OPCODE_BGNLOOP            = 99,
444    TGSI_OPCODE_BGNSUB             = 100,
445    TGSI_OPCODE_ENDLOOP            = 101,
446    TGSI_OPCODE_ENDSUB             = 102,
447    TGSI_OPCODE_ATOMFADD           = 103,
448    TGSI_OPCODE_TXQS               = 104,
449    TGSI_OPCODE_RESQ               = 105,
450    TGSI_OPCODE_READ_FIRST         = 106,
451    TGSI_OPCODE_NOP                = 107,
452 
453    TGSI_OPCODE_FSEQ               = 108,
454    TGSI_OPCODE_FSGE               = 109,
455    TGSI_OPCODE_FSLT               = 110,
456    TGSI_OPCODE_FSNE               = 111,
457 
458    TGSI_OPCODE_MEMBAR             = 112,
459                                 /* gap */
460    TGSI_OPCODE_KILL_IF            = 116  /* conditional kill */,
461    TGSI_OPCODE_END                = 117  /* aka HALT */,
462    TGSI_OPCODE_DFMA               = 118,
463    TGSI_OPCODE_F2I                = 119,
464    TGSI_OPCODE_IDIV               = 120,
465    TGSI_OPCODE_IMAX               = 121,
466    TGSI_OPCODE_IMIN               = 122,
467    TGSI_OPCODE_INEG               = 123,
468    TGSI_OPCODE_ISGE               = 124,
469    TGSI_OPCODE_ISHR               = 125,
470    TGSI_OPCODE_ISLT               = 126,
471    TGSI_OPCODE_F2U                = 127,
472    TGSI_OPCODE_U2F                = 128,
473    TGSI_OPCODE_UADD               = 129,
474    TGSI_OPCODE_UDIV               = 130,
475    TGSI_OPCODE_UMAD               = 131,
476    TGSI_OPCODE_UMAX               = 132,
477    TGSI_OPCODE_UMIN               = 133,
478    TGSI_OPCODE_UMOD               = 134,
479    TGSI_OPCODE_UMUL               = 135,
480    TGSI_OPCODE_USEQ               = 136,
481    TGSI_OPCODE_USGE               = 137,
482    TGSI_OPCODE_USHR               = 138,
483    TGSI_OPCODE_USLT               = 139,
484    TGSI_OPCODE_USNE               = 140,
485    TGSI_OPCODE_SWITCH             = 141,
486    TGSI_OPCODE_CASE               = 142,
487    TGSI_OPCODE_DEFAULT            = 143,
488    TGSI_OPCODE_ENDSWITCH          = 144,
489 
490    /* resource related opcodes */
491    TGSI_OPCODE_SAMPLE             = 145,
492    TGSI_OPCODE_SAMPLE_I           = 146,
493    TGSI_OPCODE_SAMPLE_I_MS        = 147,
494    TGSI_OPCODE_SAMPLE_B           = 148,
495    TGSI_OPCODE_SAMPLE_C           = 149,
496    TGSI_OPCODE_SAMPLE_C_LZ        = 150,
497    TGSI_OPCODE_SAMPLE_D           = 151,
498    TGSI_OPCODE_SAMPLE_L           = 152,
499    TGSI_OPCODE_GATHER4            = 153,
500    TGSI_OPCODE_SVIEWINFO          = 154,
501    TGSI_OPCODE_SAMPLE_POS         = 155,
502    TGSI_OPCODE_SAMPLE_INFO        = 156,
503 
504    TGSI_OPCODE_UARL               = 157,
505    TGSI_OPCODE_UCMP               = 158,
506    TGSI_OPCODE_IABS               = 159,
507    TGSI_OPCODE_ISSG               = 160,
508 
509    TGSI_OPCODE_LOAD               = 161,
510    TGSI_OPCODE_STORE              = 162,
511    TGSI_OPCODE_IMG2HND            = 163,
512    TGSI_OPCODE_SAMP2HND           = 164,
513    /* gap */
514    TGSI_OPCODE_BARRIER            = 166,
515 
516    TGSI_OPCODE_ATOMUADD           = 167,
517    TGSI_OPCODE_ATOMXCHG           = 168,
518    TGSI_OPCODE_ATOMCAS            = 169,
519    TGSI_OPCODE_ATOMAND            = 170,
520    TGSI_OPCODE_ATOMOR             = 171,
521    TGSI_OPCODE_ATOMXOR            = 172,
522    TGSI_OPCODE_ATOMUMIN           = 173,
523    TGSI_OPCODE_ATOMUMAX           = 174,
524    TGSI_OPCODE_ATOMIMIN           = 175,
525    TGSI_OPCODE_ATOMIMAX           = 176,
526 
527    /* to be used for shadow cube map compares */
528    TGSI_OPCODE_TEX2               = 177,
529    TGSI_OPCODE_TXB2               = 178,
530    TGSI_OPCODE_TXL2               = 179,
531 
532    TGSI_OPCODE_IMUL_HI            = 180,
533    TGSI_OPCODE_UMUL_HI            = 181,
534 
535    TGSI_OPCODE_TG4                = 182,
536 
537    TGSI_OPCODE_LODQ               = 183,
538 
539    TGSI_OPCODE_IBFE               = 184,
540    TGSI_OPCODE_UBFE               = 185,
541    TGSI_OPCODE_BFI                = 186,
542    TGSI_OPCODE_BREV               = 187,
543    TGSI_OPCODE_POPC               = 188,
544    TGSI_OPCODE_LSB                = 189,
545    TGSI_OPCODE_IMSB               = 190,
546    TGSI_OPCODE_UMSB               = 191,
547 
548    TGSI_OPCODE_INTERP_CENTROID    = 192,
549    TGSI_OPCODE_INTERP_SAMPLE      = 193,
550    TGSI_OPCODE_INTERP_OFFSET      = 194,
551 
552    /* sm5 marked opcodes are supported in D3D11 optionally - also DMOV, DMOVC */
553    TGSI_OPCODE_F2D                = 195 /* SM5 */,
554    TGSI_OPCODE_D2F                = 196,
555    TGSI_OPCODE_DABS               = 197,
556    TGSI_OPCODE_DNEG               = 198 /* SM5 */,
557    TGSI_OPCODE_DADD               = 199 /* SM5 */,
558    TGSI_OPCODE_DMUL               = 200 /* SM5 */,
559    TGSI_OPCODE_DMAX               = 201 /* SM5 */,
560    TGSI_OPCODE_DMIN               = 202 /* SM5 */,
561    TGSI_OPCODE_DSLT               = 203 /* SM5 */,
562    TGSI_OPCODE_DSGE               = 204 /* SM5 */,
563    TGSI_OPCODE_DSEQ               = 205 /* SM5 */,
564    TGSI_OPCODE_DSNE               = 206 /* SM5 */,
565    TGSI_OPCODE_DRCP               = 207 /* eg, cayman */,
566    TGSI_OPCODE_DSQRT              = 208 /* eg, cayman also has DRSQ */,
567    TGSI_OPCODE_DMAD               = 209,
568    TGSI_OPCODE_DFRAC              = 210 /* eg, cayman */,
569    TGSI_OPCODE_DLDEXP             = 211 /* eg, cayman */,
570    TGSI_OPCODE_DFRACEXP           = 212 /* eg, cayman */,
571    TGSI_OPCODE_D2I                = 213,
572    TGSI_OPCODE_I2D                = 214,
573    TGSI_OPCODE_D2U                = 215,
574    TGSI_OPCODE_U2D                = 216,
575    TGSI_OPCODE_DRSQ               = 217 /* eg, cayman also has DRSQ */,
576    TGSI_OPCODE_DTRUNC             = 218 /* nvc0 */,
577    TGSI_OPCODE_DCEIL              = 219 /* nvc0 */,
578    TGSI_OPCODE_DFLR               = 220 /* nvc0 */,
579    TGSI_OPCODE_DROUND             = 221 /* nvc0 */,
580    TGSI_OPCODE_DSSG               = 222,
581 
582    TGSI_OPCODE_VOTE_ANY           = 223,
583    TGSI_OPCODE_VOTE_ALL           = 224,
584    TGSI_OPCODE_VOTE_EQ            = 225,
585 
586    TGSI_OPCODE_U64SEQ             = 226,
587    TGSI_OPCODE_U64SNE             = 227,
588    TGSI_OPCODE_I64SLT             = 228,
589    TGSI_OPCODE_U64SLT             = 229,
590    TGSI_OPCODE_I64SGE             = 230,
591    TGSI_OPCODE_U64SGE             = 231,
592 
593    TGSI_OPCODE_I64MIN             = 232,
594    TGSI_OPCODE_U64MIN             = 233,
595    TGSI_OPCODE_I64MAX             = 234,
596    TGSI_OPCODE_U64MAX             = 235,
597 
598    TGSI_OPCODE_I64ABS             = 236,
599    TGSI_OPCODE_I64SSG             = 237,
600    TGSI_OPCODE_I64NEG             = 238,
601 
602    TGSI_OPCODE_U64ADD             = 239,
603    TGSI_OPCODE_U64MUL             = 240,
604    TGSI_OPCODE_U64SHL             = 241,
605    TGSI_OPCODE_I64SHR             = 242,
606    TGSI_OPCODE_U64SHR             = 243,
607 
608    TGSI_OPCODE_I64DIV             = 244,
609    TGSI_OPCODE_U64DIV             = 245,
610    TGSI_OPCODE_I64MOD             = 246,
611    TGSI_OPCODE_U64MOD             = 247,
612 
613    TGSI_OPCODE_DDIV               = 248,
614 
615    TGSI_OPCODE_LOD                = 249,
616 
617    TGSI_OPCODE_ATOMINC_WRAP       = 250,
618    TGSI_OPCODE_ATOMDEC_WRAP       = 251,
619 
620    TGSI_OPCODE_LAST               = 252,
621 };
622 
623 
624 /**
625  * Opcode is the operation code to execute. A given operation defines the
626  * semantics how the source registers (if any) are interpreted and what is
627  * written to the destination registers (if any) as a result of execution.
628  *
629  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
630  * respectively. For a given operation code, those numbers are fixed and are
631  * present here only for convenience.
632  *
633  * Saturate controls how are final results in destination registers modified.
634  */
635 
636 struct tgsi_instruction
637 {
638    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
639    unsigned NrTokens   : 8;  /* UINT */
640    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
641    unsigned Saturate   : 1;  /* BOOL */
642    unsigned NumDstRegs : 2;  /* UINT */
643    unsigned NumSrcRegs : 4;  /* UINT */
644    unsigned Label      : 1;
645    unsigned Texture    : 1;
646    unsigned Memory     : 1;
647    unsigned Precise    : 1;
648    unsigned Padding    : 1;
649 };
650 
651 /*
652  * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
653  *
654  * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
655  *   if texture instruction has a number of offsets,
656  *   then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
657  *
658  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
659  *
660  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
661  *
662  * tgsi_instruction::NrTokens contains the total number of words that make the
663  * instruction, including the instruction word.
664  */
665 
666 enum tgsi_swizzle {
667    TGSI_SWIZZLE_X,
668    TGSI_SWIZZLE_Y,
669    TGSI_SWIZZLE_Z,
670    TGSI_SWIZZLE_W,
671 };
672 
673 struct tgsi_instruction_label
674 {
675    unsigned Label    : 24;   /* UINT */
676    unsigned Padding  : 8;
677 };
678 
679 enum tgsi_texture_type {
680    TGSI_TEXTURE_BUFFER,
681    TGSI_TEXTURE_1D,
682    TGSI_TEXTURE_2D,
683    TGSI_TEXTURE_3D,
684    TGSI_TEXTURE_CUBE,
685    TGSI_TEXTURE_RECT,
686    TGSI_TEXTURE_SHADOW1D,
687    TGSI_TEXTURE_SHADOW2D,
688    TGSI_TEXTURE_SHADOWRECT,
689    TGSI_TEXTURE_1D_ARRAY,
690    TGSI_TEXTURE_2D_ARRAY,
691    TGSI_TEXTURE_SHADOW1D_ARRAY,
692    TGSI_TEXTURE_SHADOW2D_ARRAY,
693    TGSI_TEXTURE_SHADOWCUBE,
694    TGSI_TEXTURE_2D_MSAA,
695    TGSI_TEXTURE_2D_ARRAY_MSAA,
696    TGSI_TEXTURE_CUBE_ARRAY,
697    TGSI_TEXTURE_SHADOWCUBE_ARRAY,
698    TGSI_TEXTURE_UNKNOWN,
699    TGSI_TEXTURE_COUNT,
700 };
701 
702 struct tgsi_instruction_texture
703 {
704    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
705    unsigned NumOffsets : 4;
706    unsigned ReturnType : 3; /* TGSI_RETURN_TYPE_x */
707    unsigned Padding : 17;
708 };
709 
710 /* for texture offsets in GLSL and DirectX.
711  * Generally these always come from TGSI_FILE_IMMEDIATE,
712  * however DX11 appears to have the capability to do
713  * non-constant texture offsets.
714  */
715 struct tgsi_texture_offset
716 {
717    int      Index    : 16;
718    unsigned File     : 4;  /**< one of TGSI_FILE_x */
719    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
720    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
721    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
722    unsigned Padding  : 6;
723 };
724 
725 /**
726  * File specifies the register array to access.
727  *
728  * Index specifies the element number of a register in the register file.
729  *
730  * If Indirect is TRUE, Index should be offset by the X component of the indirect
731  * register that follows. The register can be now fetched into local storage
732  * for further processing.
733  *
734  * If Negate is TRUE, all components of the fetched register are negated.
735  *
736  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
737  * SwizzleZ and SwizzleW.
738  *
739  */
740 
741 struct tgsi_src_register
742 {
743    unsigned File        : 4;  /* TGSI_FILE_ */
744    unsigned Indirect    : 1;  /* BOOL */
745    unsigned Dimension   : 1;  /* BOOL */
746    int      Index       : 16; /* SINT */
747    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
748    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
749    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
750    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
751    unsigned Absolute    : 1;    /* BOOL */
752    unsigned Negate      : 1;    /* BOOL */
753 };
754 
755 /**
756  * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
757  *
758  * File, Index and Swizzle are handled the same as in tgsi_src_register.
759  *
760  * If ArrayID is zero the whole register file might be indirectly addressed,
761  * if not only the Declaration with this ArrayID is accessed by this operand.
762  *
763  */
764 
765 struct tgsi_ind_register
766 {
767    unsigned File    : 4;  /* TGSI_FILE_ */
768    int      Index   : 16; /* SINT */
769    unsigned Swizzle : 2;  /* TGSI_SWIZZLE_ */
770    unsigned ArrayID : 10; /* UINT */
771 };
772 
773 /**
774  * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
775  */
776 
777 struct tgsi_dimension
778 {
779    unsigned Indirect    : 1;  /* BOOL */
780    unsigned Dimension   : 1;  /* BOOL */
781    unsigned Padding     : 14;
782    int      Index       : 16; /* SINT */
783 };
784 
785 struct tgsi_dst_register
786 {
787    unsigned File        : 4;  /* TGSI_FILE_ */
788    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
789    unsigned Indirect    : 1;  /* BOOL */
790    unsigned Dimension   : 1;  /* BOOL */
791    int      Index       : 16; /* SINT */
792    unsigned Padding     : 6;
793 };
794 
795 #define TGSI_MEMORY_COHERENT (1 << 0)
796 #define TGSI_MEMORY_RESTRICT (1 << 1)
797 #define TGSI_MEMORY_VOLATILE (1 << 2)
798 /* The "stream" cache policy will minimize memory cache usage if other
799  * memory operations need the cache.
800  */
801 #define TGSI_MEMORY_STREAM_CACHE_POLICY (1 << 3)
802 
803 /**
804  * Specifies the type of memory access to do for the LOAD/STORE instruction.
805  */
806 struct tgsi_instruction_memory
807 {
808    unsigned Qualifier : 4;  /* TGSI_MEMORY_ */
809    unsigned Texture   : 8;  /* only for images: TGSI_TEXTURE_ */
810    unsigned Format    : 10; /* only for images: PIPE_FORMAT_ */
811    unsigned Padding   : 10;
812 };
813 
814 #define TGSI_MEMBAR_SHADER_BUFFER (1 << 0)
815 #define TGSI_MEMBAR_ATOMIC_BUFFER (1 << 1)
816 #define TGSI_MEMBAR_SHADER_IMAGE  (1 << 2)
817 #define TGSI_MEMBAR_SHARED        (1 << 3)
818 #define TGSI_MEMBAR_THREAD_GROUP  (1 << 4)
819 
820 #ifdef __cplusplus
821 }
822 #endif
823 
824 #endif /* P_SHADER_TOKENS_H */
825