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 
45 static 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 
53 const struct tgsi_opcode_info *
tgsi_get_opcode_info(uint opcode)54 tgsi_get_opcode_info( uint 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 
79 static 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 
87 const char *
tgsi_get_opcode_name(uint opcode)88 tgsi_get_opcode_name( uint opcode )
89 {
90    if (opcode >= ARRAY_SIZE(opcode_names))
91       return "UNK_OOB";
92    return opcode_names[opcode];
93 }
94 
95 
96 const char *
tgsi_get_processor_name(enum pipe_shader_type processor)97 tgsi_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  */
122 static inline enum tgsi_opcode_type
tgsi_opcode_infer_type(uint opcode)123 tgsi_opcode_infer_type( uint 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_POPC:
154    case TGSI_OPCODE_LSB:
155    case TGSI_OPCODE_UMSB:
156       return TGSI_TYPE_UNSIGNED;
157    case TGSI_OPCODE_ARL:
158    case TGSI_OPCODE_ARR:
159    case TGSI_OPCODE_MOD:
160    case TGSI_OPCODE_F2I:
161    case TGSI_OPCODE_FSEQ:
162    case TGSI_OPCODE_FSGE:
163    case TGSI_OPCODE_FSLT:
164    case TGSI_OPCODE_FSNE:
165    case TGSI_OPCODE_IDIV:
166    case TGSI_OPCODE_IMAX:
167    case TGSI_OPCODE_IMIN:
168    case TGSI_OPCODE_INEG:
169    case TGSI_OPCODE_ISGE:
170    case TGSI_OPCODE_ISHR:
171    case TGSI_OPCODE_ISLT:
172    case TGSI_OPCODE_UADD:
173    case TGSI_OPCODE_UARL:
174    case TGSI_OPCODE_IABS:
175    case TGSI_OPCODE_ISSG:
176    case TGSI_OPCODE_IMUL_HI:
177    case TGSI_OPCODE_IBFE:
178    case TGSI_OPCODE_IMSB:
179    case TGSI_OPCODE_DSEQ:
180    case TGSI_OPCODE_DSGE:
181    case TGSI_OPCODE_DSLT:
182    case TGSI_OPCODE_DSNE:
183    case TGSI_OPCODE_U64SEQ:
184    case TGSI_OPCODE_U64SNE:
185    case TGSI_OPCODE_U64SLT:
186    case TGSI_OPCODE_U64SGE:
187    case TGSI_OPCODE_I64SLT:
188    case TGSI_OPCODE_I64SGE:
189       return TGSI_TYPE_SIGNED;
190    case TGSI_OPCODE_DADD:
191    case TGSI_OPCODE_DABS:
192    case TGSI_OPCODE_DFMA:
193    case TGSI_OPCODE_DNEG:
194    case TGSI_OPCODE_DMUL:
195    case TGSI_OPCODE_DMAX:
196    case TGSI_OPCODE_DDIV:
197    case TGSI_OPCODE_DMIN:
198    case TGSI_OPCODE_DRCP:
199    case TGSI_OPCODE_DSQRT:
200    case TGSI_OPCODE_DMAD:
201    case TGSI_OPCODE_DLDEXP:
202    case TGSI_OPCODE_DFRACEXP:
203    case TGSI_OPCODE_DFRAC:
204    case TGSI_OPCODE_DRSQ:
205    case TGSI_OPCODE_DTRUNC:
206    case TGSI_OPCODE_DCEIL:
207    case TGSI_OPCODE_DFLR:
208    case TGSI_OPCODE_DROUND:
209    case TGSI_OPCODE_DSSG:
210    case TGSI_OPCODE_F2D:
211    case TGSI_OPCODE_I2D:
212    case TGSI_OPCODE_U2D:
213    case TGSI_OPCODE_U642D:
214    case TGSI_OPCODE_I642D:
215       return TGSI_TYPE_DOUBLE;
216    case TGSI_OPCODE_U64MAX:
217    case TGSI_OPCODE_U64MIN:
218    case TGSI_OPCODE_U64ADD:
219    case TGSI_OPCODE_U64MUL:
220    case TGSI_OPCODE_U64DIV:
221    case TGSI_OPCODE_U64MOD:
222    case TGSI_OPCODE_U64SHL:
223    case TGSI_OPCODE_U64SHR:
224    case TGSI_OPCODE_F2U64:
225    case TGSI_OPCODE_D2U64:
226       return TGSI_TYPE_UNSIGNED64;
227    case TGSI_OPCODE_I64MAX:
228    case TGSI_OPCODE_I64MIN:
229    case TGSI_OPCODE_I64ABS:
230    case TGSI_OPCODE_I64SSG:
231    case TGSI_OPCODE_I64NEG:
232    case TGSI_OPCODE_I64SHR:
233    case TGSI_OPCODE_I64DIV:
234    case TGSI_OPCODE_I64MOD:
235    case TGSI_OPCODE_F2I64:
236    case TGSI_OPCODE_U2I64:
237    case TGSI_OPCODE_I2I64:
238    case TGSI_OPCODE_D2I64:
239       return TGSI_TYPE_SIGNED64;
240    default:
241       return TGSI_TYPE_FLOAT;
242    }
243 }
244 
245 /*
246  * infer the source type of a TGSI opcode.
247  */
248 enum tgsi_opcode_type
tgsi_opcode_infer_src_type(uint opcode,uint src_idx)249 tgsi_opcode_infer_src_type(uint opcode, uint src_idx)
250 {
251    if (src_idx == 1 &&
252        (opcode == TGSI_OPCODE_DLDEXP || opcode == TGSI_OPCODE_LDEXP))
253       return TGSI_TYPE_SIGNED;
254 
255    switch (opcode) {
256    case TGSI_OPCODE_UIF:
257    case TGSI_OPCODE_TXF:
258    case TGSI_OPCODE_TXF_LZ:
259    case TGSI_OPCODE_U2F:
260    case TGSI_OPCODE_U2D:
261    case TGSI_OPCODE_UADD:
262    case TGSI_OPCODE_SWITCH:
263    case TGSI_OPCODE_CASE:
264    case TGSI_OPCODE_SAMPLE_I:
265    case TGSI_OPCODE_SAMPLE_I_MS:
266    case TGSI_OPCODE_UMUL_HI:
267    case TGSI_OPCODE_UP2H:
268    case TGSI_OPCODE_U2I64:
269    case TGSI_OPCODE_MEMBAR:
270       return TGSI_TYPE_UNSIGNED;
271    case TGSI_OPCODE_IMUL_HI:
272    case TGSI_OPCODE_I2F:
273    case TGSI_OPCODE_I2D:
274    case TGSI_OPCODE_I2I64:
275       return TGSI_TYPE_SIGNED;
276    case TGSI_OPCODE_ARL:
277    case TGSI_OPCODE_ARR:
278    case TGSI_OPCODE_F2D:
279    case TGSI_OPCODE_F2I:
280    case TGSI_OPCODE_F2U:
281    case TGSI_OPCODE_FSEQ:
282    case TGSI_OPCODE_FSGE:
283    case TGSI_OPCODE_FSLT:
284    case TGSI_OPCODE_FSNE:
285    case TGSI_OPCODE_UCMP:
286    case TGSI_OPCODE_F2U64:
287    case TGSI_OPCODE_F2I64:
288       return TGSI_TYPE_FLOAT;
289    case TGSI_OPCODE_D2F:
290    case TGSI_OPCODE_D2U:
291    case TGSI_OPCODE_D2I:
292    case TGSI_OPCODE_DSEQ:
293    case TGSI_OPCODE_DSGE:
294    case TGSI_OPCODE_DSLT:
295    case TGSI_OPCODE_DSNE:
296    case TGSI_OPCODE_D2U64:
297    case TGSI_OPCODE_D2I64:
298       return TGSI_TYPE_DOUBLE;
299    case TGSI_OPCODE_U64SEQ:
300    case TGSI_OPCODE_U64SNE:
301    case TGSI_OPCODE_U64SLT:
302    case TGSI_OPCODE_U64SGE:
303    case TGSI_OPCODE_U642F:
304    case TGSI_OPCODE_U642D:
305       return TGSI_TYPE_UNSIGNED64;
306    case TGSI_OPCODE_I64SLT:
307    case TGSI_OPCODE_I64SGE:
308    case TGSI_OPCODE_I642F:
309    case TGSI_OPCODE_I642D:
310             return TGSI_TYPE_SIGNED64;
311    default:
312       return tgsi_opcode_infer_type(opcode);
313    }
314 }
315 
316 /*
317  * infer the destination type of a TGSI opcode.
318  */
319 enum tgsi_opcode_type
tgsi_opcode_infer_dst_type(uint opcode,uint dst_idx)320 tgsi_opcode_infer_dst_type( uint opcode, uint dst_idx )
321 {
322    if (dst_idx == 1 && opcode == TGSI_OPCODE_DFRACEXP)
323       return TGSI_TYPE_SIGNED;
324 
325    return tgsi_opcode_infer_type(opcode);
326 }
327