src/gallium/auxiliary/tgsi/tgsi_info.c

   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 *
  54 tgsi_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
  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 *
  88 tgsi_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
  96 const char *
  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
 123 tgsi_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  */
 250 enum tgsi_opcode_type
 251 tgsi_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  */
 335 enum tgsi_opcode_type
 336 tgsi_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 }