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  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.    { 0, 0, 0, 0, 0, 0, NONE, "", 108 },     /* removed */
  149.    { 0, 0, 0, 0, 0, 0, NONE, "", 109 },     /* removed */
  150.    { 0, 0, 0, 0, 0, 0, NONE, "", 110 },     /* removed */
  151.    { 0, 0, 0, 0, 0, 0, NONE, "", 111 },     /* removed */
  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. };
  223.  
  224. const struct tgsi_opcode_info *
  225. tgsi_get_opcode_info( uint opcode )
  226. {
  227.    static boolean firsttime = 1;
  228.  
  229.    if (firsttime) {
  230.       unsigned i;
  231.       firsttime = 0;
  232.       for (i = 0; i < Elements(opcode_info); i++)
  233.          assert(opcode_info[i].opcode == i);
  234.    }
  235.    
  236.    if (opcode < TGSI_OPCODE_LAST)
  237.       return &opcode_info[opcode];
  238.  
  239.    assert( 0 );
  240.    return NULL;
  241. }
  242.  
  243.  
  244. const char *
  245. tgsi_get_opcode_name( uint opcode )
  246. {
  247.    const struct tgsi_opcode_info *info = tgsi_get_opcode_info(opcode);
  248.    return info->mnemonic;
  249. }
  250.  
  251.  
  252. const char *
  253. tgsi_get_processor_name( uint processor )
  254. {
  255.    switch (processor) {
  256.    case TGSI_PROCESSOR_VERTEX:
  257.       return "vertex shader";
  258.    case TGSI_PROCESSOR_FRAGMENT:
  259.       return "fragment shader";
  260.    case TGSI_PROCESSOR_GEOMETRY:
  261.       return "geometry shader";
  262.    default:
  263.       return "unknown shader type!";
  264.    }
  265. }
  266.  
  267. /**
  268.  * Infer the type (of the dst) of the opcode.
  269.  *
  270.  * MOV and UCMP is special so return VOID
  271.  */
  272. static INLINE enum tgsi_opcode_type
  273. tgsi_opcode_infer_type( uint opcode )
  274. {
  275.    switch (opcode) {
  276.    case TGSI_OPCODE_MOV:
  277.    case TGSI_OPCODE_UCMP:
  278.       return TGSI_TYPE_UNTYPED;
  279.    case TGSI_OPCODE_NOT:
  280.    case TGSI_OPCODE_SHL:
  281.    case TGSI_OPCODE_AND:
  282.    case TGSI_OPCODE_OR:
  283.    case TGSI_OPCODE_XOR:
  284.    case TGSI_OPCODE_SAD: /* XXX some src args may be signed for SAD ? */
  285.    case TGSI_OPCODE_TXQ:
  286.    case TGSI_OPCODE_TXQ_LZ:
  287.    case TGSI_OPCODE_F2U:
  288.    case TGSI_OPCODE_UDIV:
  289.    case TGSI_OPCODE_UMAD:
  290.    case TGSI_OPCODE_UMAX:
  291.    case TGSI_OPCODE_UMIN:
  292.    case TGSI_OPCODE_UMOD:
  293.    case TGSI_OPCODE_UMUL:
  294.    case TGSI_OPCODE_USEQ:
  295.    case TGSI_OPCODE_USGE:
  296.    case TGSI_OPCODE_USHR:
  297.    case TGSI_OPCODE_USLT:
  298.    case TGSI_OPCODE_USNE:
  299.    case TGSI_OPCODE_SVIEWINFO:
  300.       return TGSI_TYPE_UNSIGNED;
  301.    case TGSI_OPCODE_ARL:
  302.    case TGSI_OPCODE_ARR:
  303.    case TGSI_OPCODE_MOD:
  304.    case TGSI_OPCODE_F2I:
  305.    case TGSI_OPCODE_IDIV:
  306.    case TGSI_OPCODE_IMAX:
  307.    case TGSI_OPCODE_IMIN:
  308.    case TGSI_OPCODE_INEG:
  309.    case TGSI_OPCODE_ISGE:
  310.    case TGSI_OPCODE_ISHR:
  311.    case TGSI_OPCODE_ISLT:
  312.    case TGSI_OPCODE_UADD:
  313.    case TGSI_OPCODE_UARL:
  314.    case TGSI_OPCODE_IABS:
  315.    case TGSI_OPCODE_ISSG:
  316.       return TGSI_TYPE_SIGNED;
  317.    default:
  318.       return TGSI_TYPE_FLOAT;
  319.    }
  320. }
  321.  
  322. /*
  323.  * infer the source type of a TGSI opcode.
  324.  */
  325. enum tgsi_opcode_type
  326. tgsi_opcode_infer_src_type( uint opcode )
  327. {
  328.    switch (opcode) {
  329.    case TGSI_OPCODE_UIF:
  330.    case TGSI_OPCODE_TXF:
  331.    case TGSI_OPCODE_BREAKC:
  332.    case TGSI_OPCODE_U2F:
  333.    case TGSI_OPCODE_UADD:
  334.    case TGSI_OPCODE_SWITCH:
  335.    case TGSI_OPCODE_CASE:
  336.    case TGSI_OPCODE_SAMPLE_I:
  337.    case TGSI_OPCODE_SAMPLE_I_MS:
  338.       return TGSI_TYPE_UNSIGNED;
  339.    case TGSI_OPCODE_I2F:
  340.       return TGSI_TYPE_SIGNED;
  341.    case TGSI_OPCODE_ARL:
  342.    case TGSI_OPCODE_ARR:
  343.    case TGSI_OPCODE_TXQ_LZ:
  344.    case TGSI_OPCODE_F2I:
  345.    case TGSI_OPCODE_F2U:
  346.    case TGSI_OPCODE_UCMP:
  347.       return TGSI_TYPE_FLOAT;
  348.    default:
  349.       return tgsi_opcode_infer_type(opcode);
  350.    }
  351. }
  352.  
  353. /*
  354.  * infer the destination type of a TGSI opcode.
  355.  */
  356. enum tgsi_opcode_type
  357. tgsi_opcode_infer_dst_type( uint opcode )
  358. {
  359.    return tgsi_opcode_infer_type(opcode);
  360. }
  361.