1/**************************************************************************
2 *
3 * Copyright 2008 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include "util/u_debug.h"
29#include "util/u_memory.h"
30#include "tgsi_info.h"
31
32#define NONE TGSI_OUTPUT_NONE
33#define COMP TGSI_OUTPUT_COMPONENTWISE
34#define REPL TGSI_OUTPUT_REPLICATE
35#define CHAN TGSI_OUTPUT_CHAN_DEPENDENT
36#define OTHR TGSI_OUTPUT_OTHER
37
38#define OPCODE(_num_dst, _num_src, _output_mode, name, ...) \
39   { .opcode = TGSI_OPCODE_ ## name, \
40     .output_mode = _output_mode, .num_dst = _num_dst, .num_src = _num_src, \
41     ##__VA_ARGS__ },
42
43#define OPCODE_GAP(opc) { .opcode = opc },
44
45static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
46{
47#include "tgsi_info_opcodes.h"
48};
49
50#undef OPCODE
51#undef OPCODE_GAP
52
53const struct tgsi_opcode_info *
54tgsi_get_opcode_info(enum tgsi_opcode opcode)
55{
56   static boolean firsttime = 1;
57
58   ASSERT_BITFIELD_SIZE(struct tgsi_opcode_info, opcode, TGSI_OPCODE_LAST - 1);
59   ASSERT_BITFIELD_SIZE(struct tgsi_opcode_info, output_mode,
60                        TGSI_OUTPUT_OTHER);
61
62   if (firsttime) {
63      unsigned i;
64      firsttime = 0;
65      for (i = 0; i < ARRAY_SIZE(opcode_info); i++)
66         assert(opcode_info[i].opcode == i);
67   }
68
69   if (opcode < TGSI_OPCODE_LAST)
70      return &opcode_info[opcode];
71
72   assert( 0 );
73   return NULL;
74}
75
76#define OPCODE(_num_dst, _num_src, _output_mode, name, ...) #name,
77#define OPCODE_GAP(opc) "UNK" #opc,
78
79static const char * const opcode_names[TGSI_OPCODE_LAST] =
80{
81#include "tgsi_info_opcodes.h"
82};
83
84#undef OPCODE
85#undef OPCODE_GAP
86
87const char *
88tgsi_get_opcode_name(enum tgsi_opcode opcode)
89{
90   if (opcode >= ARRAY_SIZE(opcode_names))
91      return "UNK_OOB";
92   return opcode_names[opcode];
93}
94
95
96const char *
97tgsi_get_processor_name(enum pipe_shader_type processor)
98{
99   switch (processor) {
100   case PIPE_SHADER_VERTEX:
101      return "vertex shader";
102   case PIPE_SHADER_FRAGMENT:
103      return "fragment shader";
104   case PIPE_SHADER_GEOMETRY:
105      return "geometry shader";
106   case PIPE_SHADER_TESS_CTRL:
107      return "tessellation control shader";
108   case PIPE_SHADER_TESS_EVAL:
109      return "tessellation evaluation shader";
110   case PIPE_SHADER_COMPUTE:
111      return "compute shader";
112   default:
113      return "unknown shader type!";
114   }
115}
116
117/**
118 * Infer the type (of the dst) of the opcode.
119 *
120 * MOV and UCMP is special so return VOID
121 */
122static inline enum tgsi_opcode_type
123tgsi_opcode_infer_type(enum tgsi_opcode opcode)
124{
125   switch (opcode) {
126   case TGSI_OPCODE_MOV:
127   case TGSI_OPCODE_UCMP:
128      return TGSI_TYPE_UNTYPED;
129   case TGSI_OPCODE_NOT:
130   case TGSI_OPCODE_SHL:
131   case TGSI_OPCODE_AND:
132   case TGSI_OPCODE_OR:
133   case TGSI_OPCODE_XOR:
134   case TGSI_OPCODE_TXQ:
135   case TGSI_OPCODE_TXQS:
136   case TGSI_OPCODE_F2U:
137   case TGSI_OPCODE_UDIV:
138   case TGSI_OPCODE_UMAD:
139   case TGSI_OPCODE_UMAX:
140   case TGSI_OPCODE_UMIN:
141   case TGSI_OPCODE_UMOD:
142   case TGSI_OPCODE_UMUL:
143   case TGSI_OPCODE_USEQ:
144   case TGSI_OPCODE_USGE:
145   case TGSI_OPCODE_USHR:
146   case TGSI_OPCODE_USLT:
147   case TGSI_OPCODE_USNE:
148   case TGSI_OPCODE_SVIEWINFO:
149   case TGSI_OPCODE_UMUL_HI:
150   case TGSI_OPCODE_UBFE:
151   case TGSI_OPCODE_BFI:
152   case TGSI_OPCODE_BREV:
153   case TGSI_OPCODE_IMG2HND:
154   case TGSI_OPCODE_SAMP2HND:
155      return TGSI_TYPE_UNSIGNED;
156   case TGSI_OPCODE_ARL:
157   case TGSI_OPCODE_ARR:
158   case TGSI_OPCODE_MOD:
159   case TGSI_OPCODE_F2I:
160   case TGSI_OPCODE_FSEQ:
161   case TGSI_OPCODE_FSGE:
162   case TGSI_OPCODE_FSLT:
163   case TGSI_OPCODE_FSNE:
164   case TGSI_OPCODE_IDIV:
165   case TGSI_OPCODE_IMAX:
166   case TGSI_OPCODE_IMIN:
167   case TGSI_OPCODE_INEG:
168   case TGSI_OPCODE_ISGE:
169   case TGSI_OPCODE_ISHR:
170   case TGSI_OPCODE_ISLT:
171   case TGSI_OPCODE_UADD:
172   case TGSI_OPCODE_UARL:
173   case TGSI_OPCODE_IABS:
174   case TGSI_OPCODE_ISSG:
175   case TGSI_OPCODE_IMUL_HI:
176   case TGSI_OPCODE_IBFE:
177   case TGSI_OPCODE_IMSB:
178   case TGSI_OPCODE_DSEQ:
179   case TGSI_OPCODE_DSGE:
180   case TGSI_OPCODE_DSLT:
181   case TGSI_OPCODE_DSNE:
182   case TGSI_OPCODE_U64SEQ:
183   case TGSI_OPCODE_U64SNE:
184   case TGSI_OPCODE_U64SLT:
185   case TGSI_OPCODE_U64SGE:
186   case TGSI_OPCODE_I64SLT:
187   case TGSI_OPCODE_I64SGE:
188   case TGSI_OPCODE_LSB:
189   case TGSI_OPCODE_POPC:
190   case TGSI_OPCODE_UMSB:
191      return TGSI_TYPE_SIGNED;
192   case TGSI_OPCODE_DADD:
193   case TGSI_OPCODE_DABS:
194   case TGSI_OPCODE_DFMA:
195   case TGSI_OPCODE_DNEG:
196   case TGSI_OPCODE_DMUL:
197   case TGSI_OPCODE_DMAX:
198   case TGSI_OPCODE_DDIV:
199   case TGSI_OPCODE_DMIN:
200   case TGSI_OPCODE_DRCP:
201   case TGSI_OPCODE_DSQRT:
202   case TGSI_OPCODE_DMAD:
203   case TGSI_OPCODE_DLDEXP:
204   case TGSI_OPCODE_DFRACEXP:
205   case TGSI_OPCODE_DFRAC:
206   case TGSI_OPCODE_DRSQ:
207   case TGSI_OPCODE_DTRUNC:
208   case TGSI_OPCODE_DCEIL:
209   case TGSI_OPCODE_DFLR:
210   case TGSI_OPCODE_DROUND:
211   case TGSI_OPCODE_DSSG:
212   case TGSI_OPCODE_F2D:
213   case TGSI_OPCODE_I2D:
214   case TGSI_OPCODE_U2D:
215   case TGSI_OPCODE_U642D:
216   case TGSI_OPCODE_I642D:
217      return TGSI_TYPE_DOUBLE;
218   case TGSI_OPCODE_U64MAX:
219   case TGSI_OPCODE_U64MIN:
220   case TGSI_OPCODE_U64ADD:
221   case TGSI_OPCODE_U64MUL:
222   case TGSI_OPCODE_U64DIV:
223   case TGSI_OPCODE_U64MOD:
224   case TGSI_OPCODE_U64SHL:
225   case TGSI_OPCODE_U64SHR:
226   case TGSI_OPCODE_F2U64:
227   case TGSI_OPCODE_D2U64:
228      return TGSI_TYPE_UNSIGNED64;
229   case TGSI_OPCODE_I64MAX:
230   case TGSI_OPCODE_I64MIN:
231   case TGSI_OPCODE_I64ABS:
232   case TGSI_OPCODE_I64SSG:
233   case TGSI_OPCODE_I64NEG:
234   case TGSI_OPCODE_I64SHR:
235   case TGSI_OPCODE_I64DIV:
236   case TGSI_OPCODE_I64MOD:
237   case TGSI_OPCODE_F2I64:
238   case TGSI_OPCODE_U2I64:
239   case TGSI_OPCODE_I2I64:
240   case TGSI_OPCODE_D2I64:
241      return TGSI_TYPE_SIGNED64;
242   default:
243      return TGSI_TYPE_FLOAT;
244   }
245}
246
247/*
248 * infer the source type of a TGSI opcode.
249 */
250enum tgsi_opcode_type
251tgsi_opcode_infer_src_type(enum tgsi_opcode opcode, uint src_idx)
252{
253   if (src_idx == 1 &&
254       (opcode == TGSI_OPCODE_DLDEXP || opcode == TGSI_OPCODE_LDEXP))
255      return TGSI_TYPE_SIGNED;
256
257   if (src_idx == 1 &&
258       (opcode == TGSI_OPCODE_LOAD))
259      return TGSI_TYPE_UNSIGNED;
260
261   if (src_idx == 0 &&
262       (opcode == TGSI_OPCODE_STORE))
263      return TGSI_TYPE_UNSIGNED;
264
265   if (src_idx == 1 &&
266       ((opcode >= TGSI_OPCODE_ATOMUADD && opcode <= TGSI_OPCODE_ATOMIMAX) ||
267       opcode == TGSI_OPCODE_ATOMINC_WRAP || opcode == TGSI_OPCODE_ATOMDEC_WRAP))
268      return TGSI_TYPE_UNSIGNED;
269
270   switch (opcode) {
271   case TGSI_OPCODE_UIF:
272   case TGSI_OPCODE_TXF:
273   case TGSI_OPCODE_TXF_LZ:
274   case TGSI_OPCODE_U2F:
275   case TGSI_OPCODE_U2D:
276   case TGSI_OPCODE_UADD:
277   case TGSI_OPCODE_SWITCH:
278   case TGSI_OPCODE_CASE:
279   case TGSI_OPCODE_SAMPLE_I:
280   case TGSI_OPCODE_SAMPLE_I_MS:
281   case TGSI_OPCODE_UMUL_HI:
282   case TGSI_OPCODE_UP2H:
283   case TGSI_OPCODE_U2I64:
284   case TGSI_OPCODE_MEMBAR:
285   case TGSI_OPCODE_UMSB:
286      return TGSI_TYPE_UNSIGNED;
287   case TGSI_OPCODE_IMUL_HI:
288   case TGSI_OPCODE_I2F:
289   case TGSI_OPCODE_I2D:
290   case TGSI_OPCODE_I2I64:
291      return TGSI_TYPE_SIGNED;
292   case TGSI_OPCODE_ARL:
293   case TGSI_OPCODE_ARR:
294   case TGSI_OPCODE_F2D:
295   case TGSI_OPCODE_F2I:
296   case TGSI_OPCODE_F2U:
297   case TGSI_OPCODE_FSEQ:
298   case TGSI_OPCODE_FSGE:
299   case TGSI_OPCODE_FSLT:
300   case TGSI_OPCODE_FSNE:
301   case TGSI_OPCODE_UCMP:
302   case TGSI_OPCODE_F2U64:
303   case TGSI_OPCODE_F2I64:
304      return TGSI_TYPE_FLOAT;
305   case TGSI_OPCODE_D2F:
306   case TGSI_OPCODE_D2U:
307   case TGSI_OPCODE_D2I:
308   case TGSI_OPCODE_DSEQ:
309   case TGSI_OPCODE_DSGE:
310   case TGSI_OPCODE_DSLT:
311   case TGSI_OPCODE_DSNE:
312   case TGSI_OPCODE_D2U64:
313   case TGSI_OPCODE_D2I64:
314      return TGSI_TYPE_DOUBLE;
315   case TGSI_OPCODE_U64SEQ:
316   case TGSI_OPCODE_U64SNE:
317   case TGSI_OPCODE_U64SLT:
318   case TGSI_OPCODE_U64SGE:
319   case TGSI_OPCODE_U642F:
320   case TGSI_OPCODE_U642D:
321      return TGSI_TYPE_UNSIGNED64;
322   case TGSI_OPCODE_I64SLT:
323   case TGSI_OPCODE_I64SGE:
324   case TGSI_OPCODE_I642F:
325   case TGSI_OPCODE_I642D:
326            return TGSI_TYPE_SIGNED64;
327   default:
328      return tgsi_opcode_infer_type(opcode);
329   }
330}
331
332/*
333 * infer the destination type of a TGSI opcode.
334 */
335enum tgsi_opcode_type
336tgsi_opcode_infer_dst_type(enum tgsi_opcode opcode, uint dst_idx)
337{
338   if (dst_idx == 1 && opcode == TGSI_OPCODE_DFRACEXP)
339      return TGSI_TYPE_SIGNED;
340
341   return tgsi_opcode_infer_type(opcode);
342}
343