src/gallium/auxiliary/tgsi/tgsi_info.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   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 TUNGSTEN GRAPHICS 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 static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
  39 {
  40    { 1, 1, 0, 0, 0, 0, COMP, "ARL", TGSI_OPCODE_ARL },
  41    { 1, 1, 0, 0, 0, 0, COMP, "MOV", TGSI_OPCODE_MOV },
  42    { 1, 1, 0, 0, 0, 0, CHAN, "LIT", TGSI_OPCODE_LIT },
  43    { 1, 1, 0, 0, 0, 0, REPL, "RCP", TGSI_OPCODE_RCP },
  44    { 1, 1, 0, 0, 0, 0, REPL, "RSQ", TGSI_OPCODE_RSQ },
  45    { 1, 1, 0, 0, 0, 0, CHAN, "EXP", TGSI_OPCODE_EXP },
  46    { 1, 1, 0, 0, 0, 0, CHAN, "LOG", TGSI_OPCODE_LOG },
  47    { 1, 2, 0, 0, 0, 0, COMP, "MUL", TGSI_OPCODE_MUL },
  48    { 1, 2, 0, 0, 0, 0, COMP, "ADD", TGSI_OPCODE_ADD },
  49    { 1, 2, 0, 0, 0, 0, REPL, "DP3", TGSI_OPCODE_DP3 },
  50    { 1, 2, 0, 0, 0, 0, REPL, "DP4", TGSI_OPCODE_DP4 },
  51    { 1, 2, 0, 0, 0, 0, CHAN, "DST", TGSI_OPCODE_DST },
  52    { 1, 2, 0, 0, 0, 0, COMP, "MIN", TGSI_OPCODE_MIN },
  53    { 1, 2, 0, 0, 0, 0, COMP, "MAX", TGSI_OPCODE_MAX },
  54    { 1, 2, 0, 0, 0, 0, COMP, "SLT", TGSI_OPCODE_SLT },
  55    { 1, 2, 0, 0, 0, 0, COMP, "SGE", TGSI_OPCODE_SGE },
  56    { 1, 3, 0, 0, 0, 0, COMP, "MAD", TGSI_OPCODE_MAD },
  57    { 1, 2, 0, 0, 0, 0, COMP, "SUB", TGSI_OPCODE_SUB },
  58    { 1, 3, 0, 0, 0, 0, COMP, "LRP", TGSI_OPCODE_LRP },
  59    { 1, 3, 0, 0, 0, 0, COMP, "CND", TGSI_OPCODE_CND },
  60    { 1, 1, 0, 0, 0, 0, REPL, "SQRT", TGSI_OPCODE_SQRT },
  61    { 1, 3, 0, 0, 0, 0, REPL, "DP2A", TGSI_OPCODE_DP2A },
  62    { 0, 0, 0, 0, 0, 0, NONE, "", 22 },      /* removed */
  63    { 0, 0, 0, 0, 0, 0, NONE, "", 23 },      /* removed */
  64    { 1, 1, 0, 0, 0, 0, COMP, "FRC", TGSI_OPCODE_FRC },
  65    { 1, 3, 0, 0, 0, 0, COMP, "CLAMP", TGSI_OPCODE_CLAMP },
  66    { 1, 1, 0, 0, 0, 0, COMP, "FLR", TGSI_OPCODE_FLR },
  67    { 1, 1, 0, 0, 0, 0, COMP, "ROUND", TGSI_OPCODE_ROUND },
  68    { 1, 1, 0, 0, 0, 0, REPL, "EX2", TGSI_OPCODE_EX2 },
  69    { 1, 1, 0, 0, 0, 0, REPL, "LG2", TGSI_OPCODE_LG2 },
  70    { 1, 2, 0, 0, 0, 0, REPL, "POW", TGSI_OPCODE_POW },
  71    { 1, 2, 0, 0, 0, 0, COMP, "XPD", TGSI_OPCODE_XPD },
  72    { 0, 0, 0, 0, 0, 0, NONE, "", 32 },      /* removed */
  73    { 1, 1, 0, 0, 0, 0, COMP, "ABS", TGSI_OPCODE_ABS },
  74    { 1, 1, 0, 0, 0, 0, REPL, "RCC", TGSI_OPCODE_RCC },
  75    { 1, 2, 0, 0, 0, 0, REPL, "DPH", TGSI_OPCODE_DPH },
  76    { 1, 1, 0, 0, 0, 0, REPL, "COS", TGSI_OPCODE_COS },
  77    { 1, 1, 0, 0, 0, 0, COMP, "DDX", TGSI_OPCODE_DDX },
  78    { 1, 1, 0, 0, 0, 0, COMP, "DDY", TGSI_OPCODE_DDY },
  79    { 0, 0, 0, 0, 0, 0, NONE, "KILL", TGSI_OPCODE_KILL },
  80    { 1, 1, 0, 0, 0, 0, COMP, "PK2H", TGSI_OPCODE_PK2H },
  81    { 1, 1, 0, 0, 0, 0, COMP, "PK2US", TGSI_OPCODE_PK2US },
  82    { 1, 1, 0, 0, 0, 0, COMP, "PK4B", TGSI_OPCODE_PK4B },
  83    { 1, 1, 0, 0, 0, 0, COMP, "PK4UB", TGSI_OPCODE_PK4UB },
  84    { 1, 2, 0, 0, 0, 0, COMP, "RFL", TGSI_OPCODE_RFL },
  85    { 1, 2, 0, 0, 0, 0, COMP, "SEQ", TGSI_OPCODE_SEQ },
  86    { 1, 2, 0, 0, 0, 0, REPL, "SFL", TGSI_OPCODE_SFL },
  87    { 1, 2, 0, 0, 0, 0, COMP, "SGT", TGSI_OPCODE_SGT },
  88    { 1, 1, 0, 0, 0, 0, REPL, "SIN", TGSI_OPCODE_SIN },
  89    { 1, 2, 0, 0, 0, 0, COMP, "SLE", TGSI_OPCODE_SLE },
  90    { 1, 2, 0, 0, 0, 0, COMP, "SNE", TGSI_OPCODE_SNE },
  91    { 1, 2, 0, 0, 0, 0, REPL, "STR", TGSI_OPCODE_STR },
  92    { 1, 2, 1, 0, 0, 0, OTHR, "TEX", TGSI_OPCODE_TEX },
  93    { 1, 4, 1, 0, 0, 0, OTHR, "TXD", TGSI_OPCODE_TXD },
  94    { 1, 2, 1, 0, 0, 0, OTHR, "TXP", TGSI_OPCODE_TXP },
  95    { 1, 1, 0, 0, 0, 0, COMP, "UP2H", TGSI_OPCODE_UP2H },
  96    { 1, 1, 0, 0, 0, 0, COMP, "UP2US", TGSI_OPCODE_UP2US },
  97    { 1, 1, 0, 0, 0, 0, COMP, "UP4B", TGSI_OPCODE_UP4B },
  98    { 1, 1, 0, 0, 0, 0, COMP, "UP4UB", TGSI_OPCODE_UP4UB },
  99    { 1, 3, 0, 0, 0, 0, COMP, "X2D", TGSI_OPCODE_X2D },
 100    { 1, 1, 0, 0, 0, 0, COMP, "ARA", TGSI_OPCODE_ARA },
 101    { 1, 1, 0, 0, 0, 0, COMP, "ARR", TGSI_OPCODE_ARR },
 102    { 0, 1, 0, 0, 0, 0, NONE, "BRA", TGSI_OPCODE_BRA },
 103    { 0, 0, 0, 1, 0, 0, NONE, "CAL", TGSI_OPCODE_CAL },
 104    { 0, 0, 0, 0, 0, 0, NONE, "RET", TGSI_OPCODE_RET },
 105    { 1, 1, 0, 0, 0, 0, COMP, "SSG", TGSI_OPCODE_SSG },
 106    { 1, 3, 0, 0, 0, 0, COMP, "CMP", TGSI_OPCODE_CMP },
 107    { 1, 1, 0, 0, 0, 0, CHAN, "SCS", TGSI_OPCODE_SCS },
 108    { 1, 2, 1, 0, 0, 0, OTHR, "TXB", TGSI_OPCODE_TXB },
 109    { 1, 1, 0, 0, 0, 0, COMP, "NRM", TGSI_OPCODE_NRM },
 110    { 1, 2, 0, 0, 0, 0, COMP, "DIV", TGSI_OPCODE_DIV },
 111    { 1, 2, 0, 0, 0, 0, REPL, "DP2", TGSI_OPCODE_DP2 },
 112    { 1, 2, 1, 0, 0, 0, OTHR, "TXL", TGSI_OPCODE_TXL },
 113    { 0, 0, 0, 0, 0, 0, NONE, "BRK", TGSI_OPCODE_BRK },
 114    { 0, 1, 0, 1, 0, 1, NONE, "IF", TGSI_OPCODE_IF },
 115    { 0, 1, 0, 1, 0, 1, NONE, "UIF", TGSI_OPCODE_UIF },
 116    { 0, 1, 0, 0, 0, 1, NONE, "", 76 },      /* removed */
 117    { 0, 0, 0, 1, 1, 1, NONE, "ELSE", TGSI_OPCODE_ELSE },
 118    { 0, 0, 0, 0, 1, 0, NONE, "ENDIF", TGSI_OPCODE_ENDIF },
 119    { 1, 0, 0, 0, 1, 0, NONE, "", 79 },      /* removed */
 120    { 0, 0, 0, 0, 1, 0, NONE, "", 80 },      /* removed */
 121    { 0, 1, 0, 0, 0, 0, NONE, "PUSHA", TGSI_OPCODE_PUSHA },
 122    { 1, 0, 0, 0, 0, 0, NONE, "POPA", TGSI_OPCODE_POPA },
 123    { 1, 1, 0, 0, 0, 0, COMP, "CEIL", TGSI_OPCODE_CEIL },
 124    { 1, 1, 0, 0, 0, 0, COMP, "I2F", TGSI_OPCODE_I2F },
 125    { 1, 1, 0, 0, 0, 0, COMP, "NOT", TGSI_OPCODE_NOT },
 126    { 1, 1, 0, 0, 0, 0, COMP, "TRUNC", TGSI_OPCODE_TRUNC },
 127    { 1, 2, 0, 0, 0, 0, COMP, "SHL", TGSI_OPCODE_SHL },
 128    { 0, 0, 0, 0, 0, 0, NONE, "", 88 },      /* removed */
 129    { 1, 2, 0, 0, 0, 0, COMP, "AND", TGSI_OPCODE_AND },
 130    { 1, 2, 0, 0, 0, 0, COMP, "OR", TGSI_OPCODE_OR },
 131    { 1, 2, 0, 0, 0, 0, COMP, "MOD", TGSI_OPCODE_MOD },
 132    { 1, 2, 0, 0, 0, 0, COMP, "XOR", TGSI_OPCODE_XOR },
 133    { 1, 3, 0, 0, 0, 0, COMP, "SAD", TGSI_OPCODE_SAD },
 134    { 1, 2, 1, 0, 0, 0, OTHR, "TXF", TGSI_OPCODE_TXF },
 135    { 1, 2, 1, 0, 0, 0, OTHR, "TXQ", TGSI_OPCODE_TXQ },
 136    { 0, 0, 0, 0, 0, 0, NONE, "CONT", TGSI_OPCODE_CONT },
 137    { 0, 0, 0, 0, 0, 0, NONE, "EMIT", TGSI_OPCODE_EMIT },
 138    { 0, 0, 0, 0, 0, 0, NONE, "ENDPRIM", TGSI_OPCODE_ENDPRIM },
 139    { 0, 0, 0, 1, 0, 1, NONE, "BGNLOOP", TGSI_OPCODE_BGNLOOP },
 140    { 0, 0, 0, 0, 0, 1, NONE, "BGNSUB", TGSI_OPCODE_BGNSUB },
 141    { 0, 0, 0, 1, 1, 0, NONE, "ENDLOOP", TGSI_OPCODE_ENDLOOP },
 142    { 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB },
 143    { 1, 1, 1, 0, 0, 0, OTHR, "TXQ_LZ", TGSI_OPCODE_TXQ_LZ },
 144    { 0, 0, 0, 0, 0, 0, NONE, "", 104 },     /* removed */
 145    { 0, 0, 0, 0, 0, 0, NONE, "", 105 },     /* removed */
 146    { 0, 0, 0, 0, 0, 0, NONE, "", 106 },     /* removed */
 147    { 0, 0, 0, 0, 0, 0, NONE, "NOP", TGSI_OPCODE_NOP },
 148    { 1, 2, 0, 0, 0, 0, COMP, "FSEQ", TGSI_OPCODE_FSEQ },
 149    { 1, 2, 0, 0, 0, 0, COMP, "FSGE", TGSI_OPCODE_FSGE },
 150    { 1, 2, 0, 0, 0, 0, COMP, "FSLT", TGSI_OPCODE_FSLT },
 151    { 1, 2, 0, 0, 0, 0, COMP, "FSNE", TGSI_OPCODE_FSNE },
 152    { 1, 1, 0, 0, 0, 0, REPL, "NRM4", TGSI_OPCODE_NRM4 },
 153    { 0, 1, 0, 0, 0, 0, NONE, "CALLNZ", TGSI_OPCODE_CALLNZ },
 154    { 0, 1, 0, 0, 0, 0, NONE, "", 114 },     /* removed */
 155    { 0, 1, 0, 0, 0, 0, NONE, "BREAKC", TGSI_OPCODE_BREAKC },
 156    { 0, 1, 0, 0, 0, 0, NONE, "KILL_IF", TGSI_OPCODE_KILL_IF },
 157    { 0, 0, 0, 0, 0, 0, NONE, "END", TGSI_OPCODE_END },
 158    { 0, 0, 0, 0, 0, 0, NONE, "", 118 },     /* removed */
 159    { 1, 1, 0, 0, 0, 0, COMP, "F2I", TGSI_OPCODE_F2I },
 160    { 1, 2, 0, 0, 0, 0, COMP, "IDIV", TGSI_OPCODE_IDIV },
 161    { 1, 2, 0, 0, 0, 0, COMP, "IMAX", TGSI_OPCODE_IMAX },
 162    { 1, 2, 0, 0, 0, 0, COMP, "IMIN", TGSI_OPCODE_IMIN },
 163    { 1, 1, 0, 0, 0, 0, COMP, "INEG", TGSI_OPCODE_INEG },
 164    { 1, 2, 0, 0, 0, 0, COMP, "ISGE", TGSI_OPCODE_ISGE },
 165    { 1, 2, 0, 0, 0, 0, COMP, "ISHR", TGSI_OPCODE_ISHR },
 166    { 1, 2, 0, 0, 0, 0, COMP, "ISLT", TGSI_OPCODE_ISLT },
 167    { 1, 1, 0, 0, 0, 0, COMP, "F2U", TGSI_OPCODE_F2U },
 168    { 1, 1, 0, 0, 0, 0, COMP, "U2F", TGSI_OPCODE_U2F },
 169    { 1, 2, 0, 0, 0, 0, COMP, "UADD", TGSI_OPCODE_UADD },
 170    { 1, 2, 0, 0, 0, 0, COMP, "UDIV", TGSI_OPCODE_UDIV },
 171    { 1, 3, 0, 0, 0, 0, COMP, "UMAD", TGSI_OPCODE_UMAD },
 172    { 1, 2, 0, 0, 0, 0, COMP, "UMAX", TGSI_OPCODE_UMAX },
 173    { 1, 2, 0, 0, 0, 0, COMP, "UMIN", TGSI_OPCODE_UMIN },
 174    { 1, 2, 0, 0, 0, 0, COMP, "UMOD", TGSI_OPCODE_UMOD },
 175    { 1, 2, 0, 0, 0, 0, COMP, "UMUL", TGSI_OPCODE_UMUL },
 176    { 1, 2, 0, 0, 0, 0, COMP, "USEQ", TGSI_OPCODE_USEQ },
 177    { 1, 2, 0, 0, 0, 0, COMP, "USGE", TGSI_OPCODE_USGE },
 178    { 1, 2, 0, 0, 0, 0, COMP, "USHR", TGSI_OPCODE_USHR },
 179    { 1, 2, 0, 0, 0, 0, COMP, "USLT", TGSI_OPCODE_USLT },
 180    { 1, 2, 0, 0, 0, 0, COMP, "USNE", TGSI_OPCODE_USNE },
 181    { 0, 1, 0, 0, 0, 0, NONE, "SWITCH", TGSI_OPCODE_SWITCH },
 182    { 0, 1, 0, 0, 0, 0, NONE, "CASE", TGSI_OPCODE_CASE },
 183    { 0, 0, 0, 0, 0, 0, NONE, "DEFAULT", TGSI_OPCODE_DEFAULT },
 184    { 0, 0, 0, 0, 0, 0, NONE, "ENDSWITCH", TGSI_OPCODE_ENDSWITCH },
 185
 186    { 1, 3, 0, 0, 0, 0, OTHR, "SAMPLE",      TGSI_OPCODE_SAMPLE },
 187    { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_I",    TGSI_OPCODE_SAMPLE_I },
 188    { 1, 3, 0, 0, 0, 0, OTHR, "SAMPLE_I_MS", TGSI_OPCODE_SAMPLE_I_MS },
 189    { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_B",    TGSI_OPCODE_SAMPLE_B },
 190    { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_C",    TGSI_OPCODE_SAMPLE_C },
 191    { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_C_LZ", TGSI_OPCODE_SAMPLE_C_LZ },
 192    { 1, 5, 0, 0, 0, 0, OTHR, "SAMPLE_D",    TGSI_OPCODE_SAMPLE_D },
 193    { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_L",    TGSI_OPCODE_SAMPLE_L },
 194    { 1, 3, 0, 0, 0, 0, OTHR, "GATHER4",     TGSI_OPCODE_GATHER4 },
 195    { 1, 2, 0, 0, 0, 0, OTHR, "SVIEWINFO",   TGSI_OPCODE_SVIEWINFO },
 196    { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_POS",  TGSI_OPCODE_SAMPLE_POS },
 197    { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_INFO", TGSI_OPCODE_SAMPLE_INFO },
 198    { 1, 1, 0, 0, 0, 0, COMP, "UARL", TGSI_OPCODE_UARL },
 199    { 1, 3, 0, 0, 0, 0, COMP, "UCMP", TGSI_OPCODE_UCMP },
 200    { 1, 1, 0, 0, 0, 0, COMP, "IABS", TGSI_OPCODE_IABS },
 201    { 1, 1, 0, 0, 0, 0, COMP, "ISSG", TGSI_OPCODE_ISSG },
 202    { 1, 2, 0, 0, 0, 0, OTHR, "LOAD", TGSI_OPCODE_LOAD },
 203    { 1, 2, 0, 0, 0, 0, OTHR, "STORE", TGSI_OPCODE_STORE },
 204    { 1, 0, 0, 0, 0, 0, OTHR, "MFENCE", TGSI_OPCODE_MFENCE },
 205    { 1, 0, 0, 0, 0, 0, OTHR, "LFENCE", TGSI_OPCODE_LFENCE },
 206    { 1, 0, 0, 0, 0, 0, OTHR, "SFENCE", TGSI_OPCODE_SFENCE },
 207    { 0, 0, 0, 0, 0, 0, OTHR, "BARRIER", TGSI_OPCODE_BARRIER },
 208
 209    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUADD", TGSI_OPCODE_ATOMUADD },
 210    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMXCHG", TGSI_OPCODE_ATOMXCHG },
 211    { 1, 4, 0, 0, 0, 0, OTHR, "ATOMCAS", TGSI_OPCODE_ATOMCAS },
 212    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMAND", TGSI_OPCODE_ATOMAND },
 213    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMOR", TGSI_OPCODE_ATOMOR },
 214    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMXOR", TGSI_OPCODE_ATOMXOR },
 215    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUMIN", TGSI_OPCODE_ATOMUMIN },
 216    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUMAX", TGSI_OPCODE_ATOMUMAX },
 217    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMIMIN", TGSI_OPCODE_ATOMIMIN },
 218    { 1, 3, 0, 0, 0, 0, OTHR, "ATOMIMAX", TGSI_OPCODE_ATOMIMAX },
 219    { 1, 3, 1, 0, 0, 0, OTHR, "TEX2", TGSI_OPCODE_TEX2 },
 220    { 1, 3, 1, 0, 0, 0, OTHR, "TXB2", TGSI_OPCODE_TXB2 },
 221    { 1, 3, 1, 0, 0, 0, OTHR, "TXL2", TGSI_OPCODE_TXL2 },
 222    { 1, 2, 0, 0, 0, 0, COMP, "IMUL_HI", TGSI_OPCODE_IMUL_HI },
 223    { 1, 2, 0, 0, 0, 0, COMP, "UMUL_HI", TGSI_OPCODE_UMUL_HI },
 224 };
 225
 226 const struct tgsi_opcode_info *
 227 tgsi_get_opcode_info( uint opcode )
 228 {
 229    static boolean firsttime = 1;
 230
 231    if (firsttime) {
 232       unsigned i;
 233       firsttime = 0;
 234       for (i = 0; i < Elements(opcode_info); i++)
 235          assert(opcode_info[i].opcode == i);
 236    }
 237
 238    if (opcode < TGSI_OPCODE_LAST)
 239       return &opcode_info[opcode];
 240
 241    assert( 0 );
 242    return NULL;
 243 }
 244
 245
 246 const char *
 247 tgsi_get_opcode_name( uint opcode )
 248 {
 249    const struct tgsi_opcode_info *info = tgsi_get_opcode_info(opcode);
 250    return info->mnemonic;
 251 }
 252
 253
 254 const char *
 255 tgsi_get_processor_name( uint processor )
 256 {
 257    switch (processor) {
 258    case TGSI_PROCESSOR_VERTEX:
 259       return "vertex shader";
 260    case TGSI_PROCESSOR_FRAGMENT:
 261       return "fragment shader";
 262    case TGSI_PROCESSOR_GEOMETRY:
 263       return "geometry shader";
 264    default:
 265       return "unknown shader type!";
 266    }
 267 }
 268
 269 /**
 270  * Infer the type (of the dst) of the opcode.
 271  *
 272  * MOV and UCMP is special so return VOID
 273  */
 274 static INLINE enum tgsi_opcode_type
 275 tgsi_opcode_infer_type( uint opcode )
 276 {
 277    switch (opcode) {
 278    case TGSI_OPCODE_MOV:
 279    case TGSI_OPCODE_UCMP:
 280       return TGSI_TYPE_UNTYPED;
 281    case TGSI_OPCODE_NOT:
 282    case TGSI_OPCODE_SHL:
 283    case TGSI_OPCODE_AND:
 284    case TGSI_OPCODE_OR:
 285    case TGSI_OPCODE_XOR:
 286    case TGSI_OPCODE_SAD: /* XXX some src args may be signed for SAD ? */
 287    case TGSI_OPCODE_TXQ:
 288    case TGSI_OPCODE_TXQ_LZ:
 289    case TGSI_OPCODE_F2U:
 290    case TGSI_OPCODE_UDIV:
 291    case TGSI_OPCODE_UMAD:
 292    case TGSI_OPCODE_UMAX:
 293    case TGSI_OPCODE_UMIN:
 294    case TGSI_OPCODE_UMOD:
 295    case TGSI_OPCODE_UMUL:
 296    case TGSI_OPCODE_USEQ:
 297    case TGSI_OPCODE_USGE:
 298    case TGSI_OPCODE_USHR:
 299    case TGSI_OPCODE_USLT:
 300    case TGSI_OPCODE_USNE:
 301    case TGSI_OPCODE_SVIEWINFO:
 302    case TGSI_OPCODE_UMUL_HI:
 303       return TGSI_TYPE_UNSIGNED;
 304    case TGSI_OPCODE_ARL:
 305    case TGSI_OPCODE_ARR:
 306    case TGSI_OPCODE_MOD:
 307    case TGSI_OPCODE_F2I:
 308    case TGSI_OPCODE_FSEQ:
 309    case TGSI_OPCODE_FSGE:
 310    case TGSI_OPCODE_FSLT:
 311    case TGSI_OPCODE_FSNE:
 312    case TGSI_OPCODE_IDIV:
 313    case TGSI_OPCODE_IMAX:
 314    case TGSI_OPCODE_IMIN:
 315    case TGSI_OPCODE_INEG:
 316    case TGSI_OPCODE_ISGE:
 317    case TGSI_OPCODE_ISHR:
 318    case TGSI_OPCODE_ISLT:
 319    case TGSI_OPCODE_UADD:
 320    case TGSI_OPCODE_UARL:
 321    case TGSI_OPCODE_IABS:
 322    case TGSI_OPCODE_ISSG:
 323    case TGSI_OPCODE_IMUL_HI:
 324       return TGSI_TYPE_SIGNED;
 325    default:
 326       return TGSI_TYPE_FLOAT;
 327    }
 328 }
 329
 330 /*
 331  * infer the source type of a TGSI opcode.
 332  */
 333 enum tgsi_opcode_type
 334 tgsi_opcode_infer_src_type( uint opcode )
 335 {
 336    switch (opcode) {
 337    case TGSI_OPCODE_UIF:
 338    case TGSI_OPCODE_TXF:
 339    case TGSI_OPCODE_BREAKC:
 340    case TGSI_OPCODE_U2F:
 341    case TGSI_OPCODE_UADD:
 342    case TGSI_OPCODE_SWITCH:
 343    case TGSI_OPCODE_CASE:
 344    case TGSI_OPCODE_SAMPLE_I:
 345    case TGSI_OPCODE_SAMPLE_I_MS:
 346    case TGSI_OPCODE_UMUL_HI:
 347       return TGSI_TYPE_UNSIGNED;
 348    case TGSI_OPCODE_IMUL_HI:
 349    case TGSI_OPCODE_I2F:
 350       return TGSI_TYPE_SIGNED;
 351    case TGSI_OPCODE_ARL:
 352    case TGSI_OPCODE_ARR:
 353    case TGSI_OPCODE_TXQ_LZ:
 354    case TGSI_OPCODE_F2I:
 355    case TGSI_OPCODE_F2U:
 356    case TGSI_OPCODE_FSEQ:
 357    case TGSI_OPCODE_FSGE:
 358    case TGSI_OPCODE_FSLT:
 359    case TGSI_OPCODE_FSNE:
 360    case TGSI_OPCODE_UCMP:
 361       return TGSI_TYPE_FLOAT;
 362    default:
 363       return tgsi_opcode_infer_type(opcode);
 364    }
 365 }
 366
 367 /*
 368  * infer the destination type of a TGSI opcode.
 369  */
 370 enum tgsi_opcode_type
 371 tgsi_opcode_infer_dst_type( uint opcode )
 372 {
 373    return tgsi_opcode_infer_type(opcode);
 374 }