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( uint opcode )
  55 {
  56    static boolean firsttime = 1;
  57
  58    if (firsttime) {
  59       unsigned i;
  60       firsttime = 0;
  61       for (i = 0; i < ARRAY_SIZE(opcode_info); i++)
  62          assert(opcode_info[i].opcode == i);
  63    }
  64
  65    if (opcode < TGSI_OPCODE_LAST)
  66       return &opcode_info[opcode];
  67
  68    assert( 0 );
  69    return NULL;
  70 }
  71
  72 #define OPCODE(_num_dst, _num_src, _output_mode, name, ...) #name,
  73 #define OPCODE_GAP(opc) "UNK" #opc,
  74
  75 static const char * const opcode_names[TGSI_OPCODE_LAST] =
  76 {
  77 #include "tgsi_info_opcodes.h"
  78 };
  79
  80 #undef OPCODE
  81 #undef OPCODE_GAP
  82
  83 const char *
  84 tgsi_get_opcode_name( uint opcode )
  85 {
  86    if (opcode >= ARRAY_SIZE(opcode_names))
  87       return "UNK_OOB";
  88    return opcode_names[opcode];
  89 }
  90
  91
  92 const char *
  93 tgsi_get_processor_name( uint processor )
  94 {
  95    switch (processor) {
  96    case PIPE_SHADER_VERTEX:
  97       return "vertex shader";
  98    case PIPE_SHADER_FRAGMENT:
  99       return "fragment shader";
 100    case PIPE_SHADER_GEOMETRY:
 101       return "geometry shader";
 102    case PIPE_SHADER_TESS_CTRL:
 103       return "tessellation control shader";
 104    case PIPE_SHADER_TESS_EVAL:
 105       return "tessellation evaluation shader";
 106    case PIPE_SHADER_COMPUTE:
 107       return "compute shader";
 108    default:
 109       return "unknown shader type!";
 110    }
 111 }
 112
 113 /**
 114  * Infer the type (of the dst) of the opcode.
 115  *
 116  * MOV and UCMP is special so return VOID
 117  */
 118 static inline enum tgsi_opcode_type
 119 tgsi_opcode_infer_type( uint opcode )
 120 {
 121    switch (opcode) {
 122    case TGSI_OPCODE_MOV:
 123    case TGSI_OPCODE_UCMP:
 124       return TGSI_TYPE_UNTYPED;
 125    case TGSI_OPCODE_NOT:
 126    case TGSI_OPCODE_SHL:
 127    case TGSI_OPCODE_AND:
 128    case TGSI_OPCODE_OR:
 129    case TGSI_OPCODE_XOR:
 130    case TGSI_OPCODE_TXQ:
 131    case TGSI_OPCODE_TXQS:
 132    case TGSI_OPCODE_F2U:
 133    case TGSI_OPCODE_UDIV:
 134    case TGSI_OPCODE_UMAD:
 135    case TGSI_OPCODE_UMAX:
 136    case TGSI_OPCODE_UMIN:
 137    case TGSI_OPCODE_UMOD:
 138    case TGSI_OPCODE_UMUL:
 139    case TGSI_OPCODE_USEQ:
 140    case TGSI_OPCODE_USGE:
 141    case TGSI_OPCODE_USHR:
 142    case TGSI_OPCODE_USLT:
 143    case TGSI_OPCODE_USNE:
 144    case TGSI_OPCODE_SVIEWINFO:
 145    case TGSI_OPCODE_UMUL_HI:
 146    case TGSI_OPCODE_UBFE:
 147    case TGSI_OPCODE_BFI:
 148    case TGSI_OPCODE_BREV:
 149    case TGSI_OPCODE_POPC:
 150    case TGSI_OPCODE_LSB:
 151    case TGSI_OPCODE_UMSB:
 152       return TGSI_TYPE_UNSIGNED;
 153    case TGSI_OPCODE_ARL:
 154    case TGSI_OPCODE_ARR:
 155    case TGSI_OPCODE_MOD:
 156    case TGSI_OPCODE_F2I:
 157    case TGSI_OPCODE_FSEQ:
 158    case TGSI_OPCODE_FSGE:
 159    case TGSI_OPCODE_FSLT:
 160    case TGSI_OPCODE_FSNE:
 161    case TGSI_OPCODE_IDIV:
 162    case TGSI_OPCODE_IMAX:
 163    case TGSI_OPCODE_IMIN:
 164    case TGSI_OPCODE_INEG:
 165    case TGSI_OPCODE_ISGE:
 166    case TGSI_OPCODE_ISHR:
 167    case TGSI_OPCODE_ISLT:
 168    case TGSI_OPCODE_UADD:
 169    case TGSI_OPCODE_UARL:
 170    case TGSI_OPCODE_IABS:
 171    case TGSI_OPCODE_ISSG:
 172    case TGSI_OPCODE_IMUL_HI:
 173    case TGSI_OPCODE_IBFE:
 174    case TGSI_OPCODE_IMSB:
 175    case TGSI_OPCODE_DSEQ:
 176    case TGSI_OPCODE_DSGE:
 177    case TGSI_OPCODE_DSLT:
 178    case TGSI_OPCODE_DSNE:
 179    case TGSI_OPCODE_U64SEQ:
 180    case TGSI_OPCODE_U64SNE:
 181    case TGSI_OPCODE_U64SLT:
 182    case TGSI_OPCODE_U64SGE:
 183    case TGSI_OPCODE_I64SLT:
 184    case TGSI_OPCODE_I64SGE:
 185       return TGSI_TYPE_SIGNED;
 186    case TGSI_OPCODE_DADD:
 187    case TGSI_OPCODE_DABS:
 188    case TGSI_OPCODE_DFMA:
 189    case TGSI_OPCODE_DNEG:
 190    case TGSI_OPCODE_DMUL:
 191    case TGSI_OPCODE_DMAX:
 192    case TGSI_OPCODE_DDIV:
 193    case TGSI_OPCODE_DMIN:
 194    case TGSI_OPCODE_DRCP:
 195    case TGSI_OPCODE_DSQRT:
 196    case TGSI_OPCODE_DMAD:
 197    case TGSI_OPCODE_DLDEXP:
 198    case TGSI_OPCODE_DFRACEXP:
 199    case TGSI_OPCODE_DFRAC:
 200    case TGSI_OPCODE_DRSQ:
 201    case TGSI_OPCODE_DTRUNC:
 202    case TGSI_OPCODE_DCEIL:
 203    case TGSI_OPCODE_DFLR:
 204    case TGSI_OPCODE_DROUND:
 205    case TGSI_OPCODE_DSSG:
 206    case TGSI_OPCODE_F2D:
 207    case TGSI_OPCODE_I2D:
 208    case TGSI_OPCODE_U2D:
 209    case TGSI_OPCODE_U642D:
 210    case TGSI_OPCODE_I642D:
 211       return TGSI_TYPE_DOUBLE;
 212    case TGSI_OPCODE_U64MAX:
 213    case TGSI_OPCODE_U64MIN:
 214    case TGSI_OPCODE_U64ADD:
 215    case TGSI_OPCODE_U64MUL:
 216    case TGSI_OPCODE_U64DIV:
 217    case TGSI_OPCODE_U64MOD:
 218    case TGSI_OPCODE_U64SHL:
 219    case TGSI_OPCODE_U64SHR:
 220    case TGSI_OPCODE_F2U64:
 221    case TGSI_OPCODE_D2U64:
 222       return TGSI_TYPE_UNSIGNED64;
 223    case TGSI_OPCODE_I64MAX:
 224    case TGSI_OPCODE_I64MIN:
 225    case TGSI_OPCODE_I64ABS:
 226    case TGSI_OPCODE_I64SSG:
 227    case TGSI_OPCODE_I64NEG:
 228    case TGSI_OPCODE_I64SHR:
 229    case TGSI_OPCODE_I64DIV:
 230    case TGSI_OPCODE_I64MOD:
 231    case TGSI_OPCODE_F2I64:
 232    case TGSI_OPCODE_U2I64:
 233    case TGSI_OPCODE_I2I64:
 234    case TGSI_OPCODE_D2I64:
 235       return TGSI_TYPE_SIGNED64;
 236    default:
 237       return TGSI_TYPE_FLOAT;
 238    }
 239 }
 240
 241 /*
 242  * infer the source type of a TGSI opcode.
 243  */
 244 enum tgsi_opcode_type
 245 tgsi_opcode_infer_src_type(uint opcode, uint src_idx)
 246 {
 247    if (src_idx == 1 &&
 248        (opcode == TGSI_OPCODE_DLDEXP || opcode == TGSI_OPCODE_LDEXP))
 249       return TGSI_TYPE_SIGNED;
 250
 251    switch (opcode) {
 252    case TGSI_OPCODE_UIF:
 253    case TGSI_OPCODE_TXF:
 254    case TGSI_OPCODE_TXF_LZ:
 255    case TGSI_OPCODE_U2F:
 256    case TGSI_OPCODE_U2D:
 257    case TGSI_OPCODE_UADD:
 258    case TGSI_OPCODE_SWITCH:
 259    case TGSI_OPCODE_CASE:
 260    case TGSI_OPCODE_SAMPLE_I:
 261    case TGSI_OPCODE_SAMPLE_I_MS:
 262    case TGSI_OPCODE_UMUL_HI:
 263    case TGSI_OPCODE_UP2H:
 264    case TGSI_OPCODE_U2I64:
 265    case TGSI_OPCODE_MEMBAR:
 266       return TGSI_TYPE_UNSIGNED;
 267    case TGSI_OPCODE_IMUL_HI:
 268    case TGSI_OPCODE_I2F:
 269    case TGSI_OPCODE_I2D:
 270    case TGSI_OPCODE_I2I64:
 271       return TGSI_TYPE_SIGNED;
 272    case TGSI_OPCODE_ARL:
 273    case TGSI_OPCODE_ARR:
 274    case TGSI_OPCODE_F2D:
 275    case TGSI_OPCODE_F2I:
 276    case TGSI_OPCODE_F2U:
 277    case TGSI_OPCODE_FSEQ:
 278    case TGSI_OPCODE_FSGE:
 279    case TGSI_OPCODE_FSLT:
 280    case TGSI_OPCODE_FSNE:
 281    case TGSI_OPCODE_UCMP:
 282    case TGSI_OPCODE_F2U64:
 283    case TGSI_OPCODE_F2I64:
 284       return TGSI_TYPE_FLOAT;
 285    case TGSI_OPCODE_D2F:
 286    case TGSI_OPCODE_D2U:
 287    case TGSI_OPCODE_D2I:
 288    case TGSI_OPCODE_DSEQ:
 289    case TGSI_OPCODE_DSGE:
 290    case TGSI_OPCODE_DSLT:
 291    case TGSI_OPCODE_DSNE:
 292    case TGSI_OPCODE_D2U64:
 293    case TGSI_OPCODE_D2I64:
 294       return TGSI_TYPE_DOUBLE;
 295    case TGSI_OPCODE_U64SEQ:
 296    case TGSI_OPCODE_U64SNE:
 297    case TGSI_OPCODE_U64SLT:
 298    case TGSI_OPCODE_U64SGE:
 299    case TGSI_OPCODE_U642F:
 300    case TGSI_OPCODE_U642D:
 301       return TGSI_TYPE_UNSIGNED64;
 302    case TGSI_OPCODE_I64SLT:
 303    case TGSI_OPCODE_I64SGE:
 304    case TGSI_OPCODE_I642F:
 305    case TGSI_OPCODE_I642D:
 306             return TGSI_TYPE_SIGNED64;
 307    default:
 308       return tgsi_opcode_infer_type(opcode);
 309    }
 310 }
 311
 312 /*
 313  * infer the destination type of a TGSI opcode.
 314  */
 315 enum tgsi_opcode_type
 316 tgsi_opcode_infer_dst_type( uint opcode, uint dst_idx )
 317 {
 318    if (dst_idx == 1 && opcode == TGSI_OPCODE_DFRACEXP)
 319       return TGSI_TYPE_SIGNED;
 320
 321    return tgsi_opcode_infer_type(opcode);
 322 }