Subversion Repositories Kolibri OS

/**************************************************************************

 *

 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.

 * All Rights Reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the

 * "Software"), to deal in the Software without restriction, including

 * without limitation the rights to use, copy, modify, merge, publish,

 * distribute, sub license, and/or sell copies of the Software, and to

 * permit persons to whom the Software is furnished to do so, subject to

 * the following conditions:

 *

 * The above copyright notice and this permission notice (including the

 * next paragraph) shall be included in all copies or substantial portions

 * of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR

 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 *

 **************************************************************************/

#include "util/u_debug.h"

#include "util/u_memory.h"

#include "tgsi_info.h"

#define NONE TGSI_OUTPUT_NONE

#define COMP TGSI_OUTPUT_COMPONENTWISE

#define REPL TGSI_OUTPUT_REPLICATE

#define CHAN TGSI_OUTPUT_CHAN_DEPENDENT

#define OTHR TGSI_OUTPUT_OTHER

static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =

{

   { 1, 1, 0, 0, 0, 0, COMP, "ARL", TGSI_OPCODE_ARL },

   { 1, 1, 0, 0, 0, 0, COMP, "MOV", TGSI_OPCODE_MOV },

   { 1, 1, 0, 0, 0, 0, CHAN, "LIT", TGSI_OPCODE_LIT },

   { 1, 1, 0, 0, 0, 0, REPL, "RCP", TGSI_OPCODE_RCP },

   { 1, 1, 0, 0, 0, 0, REPL, "RSQ", TGSI_OPCODE_RSQ },

   { 1, 1, 0, 0, 0, 0, CHAN, "EXP", TGSI_OPCODE_EXP },

   { 1, 1, 0, 0, 0, 0, CHAN, "LOG", TGSI_OPCODE_LOG },

   { 1, 2, 0, 0, 0, 0, COMP, "MUL", TGSI_OPCODE_MUL },

   { 1, 2, 0, 0, 0, 0, COMP, "ADD", TGSI_OPCODE_ADD },

   { 1, 2, 0, 0, 0, 0, REPL, "DP3", TGSI_OPCODE_DP3 },

   { 1, 2, 0, 0, 0, 0, REPL, "DP4", TGSI_OPCODE_DP4 },

   { 1, 2, 0, 0, 0, 0, CHAN, "DST", TGSI_OPCODE_DST },

   { 1, 2, 0, 0, 0, 0, COMP, "MIN", TGSI_OPCODE_MIN },

   { 1, 2, 0, 0, 0, 0, COMP, "MAX", TGSI_OPCODE_MAX },

   { 1, 2, 0, 0, 0, 0, COMP, "SLT", TGSI_OPCODE_SLT },

   { 1, 2, 0, 0, 0, 0, COMP, "SGE", TGSI_OPCODE_SGE },

   { 1, 3, 0, 0, 0, 0, COMP, "MAD", TGSI_OPCODE_MAD },

   { 1, 2, 0, 0, 0, 0, COMP, "SUB", TGSI_OPCODE_SUB },

   { 1, 3, 0, 0, 0, 0, COMP, "LRP", TGSI_OPCODE_LRP },

   { 1, 3, 0, 0, 0, 0, COMP, "CND", TGSI_OPCODE_CND },

   { 1, 1, 0, 0, 0, 0, REPL, "SQRT", TGSI_OPCODE_SQRT },

   { 1, 3, 0, 0, 0, 0, REPL, "DP2A", TGSI_OPCODE_DP2A },

   { 0, 0, 0, 0, 0, 0, NONE, "", 22 },      /* removed */

   { 0, 0, 0, 0, 0, 0, NONE, "", 23 },      /* removed */

   { 1, 1, 0, 0, 0, 0, COMP, "FRC", TGSI_OPCODE_FRC },

   { 1, 3, 0, 0, 0, 0, COMP, "CLAMP", TGSI_OPCODE_CLAMP },

   { 1, 1, 0, 0, 0, 0, COMP, "FLR", TGSI_OPCODE_FLR },

   { 1, 1, 0, 0, 0, 0, COMP, "ROUND", TGSI_OPCODE_ROUND },

   { 1, 1, 0, 0, 0, 0, REPL, "EX2", TGSI_OPCODE_EX2 },

   { 1, 1, 0, 0, 0, 0, REPL, "LG2", TGSI_OPCODE_LG2 },

   { 1, 2, 0, 0, 0, 0, REPL, "POW", TGSI_OPCODE_POW },

   { 1, 2, 0, 0, 0, 0, COMP, "XPD", TGSI_OPCODE_XPD },

   { 0, 0, 0, 0, 0, 0, NONE, "", 32 },      /* removed */

   { 1, 1, 0, 0, 0, 0, COMP, "ABS", TGSI_OPCODE_ABS },

   { 1, 1, 0, 0, 0, 0, REPL, "RCC", TGSI_OPCODE_RCC },

   { 1, 2, 0, 0, 0, 0, REPL, "DPH", TGSI_OPCODE_DPH },

   { 1, 1, 0, 0, 0, 0, REPL, "COS", TGSI_OPCODE_COS },

   { 1, 1, 0, 0, 0, 0, COMP, "DDX", TGSI_OPCODE_DDX },

   { 1, 1, 0, 0, 0, 0, COMP, "DDY", TGSI_OPCODE_DDY },

   { 0, 0, 0, 0, 0, 0, NONE, "KILL", TGSI_OPCODE_KILL },

   { 1, 1, 0, 0, 0, 0, COMP, "PK2H", TGSI_OPCODE_PK2H },

   { 1, 1, 0, 0, 0, 0, COMP, "PK2US", TGSI_OPCODE_PK2US },

   { 1, 1, 0, 0, 0, 0, COMP, "PK4B", TGSI_OPCODE_PK4B },

   { 1, 1, 0, 0, 0, 0, COMP, "PK4UB", TGSI_OPCODE_PK4UB },

   { 1, 2, 0, 0, 0, 0, COMP, "RFL", TGSI_OPCODE_RFL },

   { 1, 2, 0, 0, 0, 0, COMP, "SEQ", TGSI_OPCODE_SEQ },

   { 1, 2, 0, 0, 0, 0, REPL, "SFL", TGSI_OPCODE_SFL },

   { 1, 2, 0, 0, 0, 0, COMP, "SGT", TGSI_OPCODE_SGT },

   { 1, 1, 0, 0, 0, 0, REPL, "SIN", TGSI_OPCODE_SIN },

   { 1, 2, 0, 0, 0, 0, COMP, "SLE", TGSI_OPCODE_SLE },

   { 1, 2, 0, 0, 0, 0, COMP, "SNE", TGSI_OPCODE_SNE },

   { 1, 2, 0, 0, 0, 0, REPL, "STR", TGSI_OPCODE_STR },

   { 1, 2, 1, 0, 0, 0, OTHR, "TEX", TGSI_OPCODE_TEX },

   { 1, 4, 1, 0, 0, 0, OTHR, "TXD", TGSI_OPCODE_TXD },

   { 1, 2, 1, 0, 0, 0, OTHR, "TXP", TGSI_OPCODE_TXP },

   { 1, 1, 0, 0, 0, 0, COMP, "UP2H", TGSI_OPCODE_UP2H },

   { 1, 1, 0, 0, 0, 0, COMP, "UP2US", TGSI_OPCODE_UP2US },

   { 1, 1, 0, 0, 0, 0, COMP, "UP4B", TGSI_OPCODE_UP4B },

   { 1, 1, 0, 0, 0, 0, COMP, "UP4UB", TGSI_OPCODE_UP4UB },

   { 1, 3, 0, 0, 0, 0, COMP, "X2D", TGSI_OPCODE_X2D },

   { 1, 1, 0, 0, 0, 0, COMP, "ARA", TGSI_OPCODE_ARA },

   { 1, 1, 0, 0, 0, 0, COMP, "ARR", TGSI_OPCODE_ARR },

   { 0, 1, 0, 0, 0, 0, NONE, "BRA", TGSI_OPCODE_BRA },

   { 0, 0, 0, 1, 0, 0, NONE, "CAL", TGSI_OPCODE_CAL },

   { 0, 0, 0, 0, 0, 0, NONE, "RET", TGSI_OPCODE_RET },

   { 1, 1, 0, 0, 0, 0, COMP, "SSG", TGSI_OPCODE_SSG },

   { 1, 3, 0, 0, 0, 0, COMP, "CMP", TGSI_OPCODE_CMP },

   { 1, 1, 0, 0, 0, 0, CHAN, "SCS", TGSI_OPCODE_SCS },

   { 1, 2, 1, 0, 0, 0, OTHR, "TXB", TGSI_OPCODE_TXB },

   { 1, 1, 0, 0, 0, 0, COMP, "NRM", TGSI_OPCODE_NRM },

   { 1, 2, 0, 0, 0, 0, COMP, "DIV", TGSI_OPCODE_DIV },

   { 1, 2, 0, 0, 0, 0, REPL, "DP2", TGSI_OPCODE_DP2 },

   { 1, 2, 1, 0, 0, 0, OTHR, "TXL", TGSI_OPCODE_TXL },

   { 0, 0, 0, 0, 0, 0, NONE, "BRK", TGSI_OPCODE_BRK },

   { 0, 1, 0, 1, 0, 1, NONE, "IF", TGSI_OPCODE_IF },

   { 0, 1, 0, 1, 0, 1, NONE, "UIF", TGSI_OPCODE_UIF },

   { 0, 1, 0, 0, 0, 1, NONE, "", 76 },      /* removed */

   { 0, 0, 0, 1, 1, 1, NONE, "ELSE", TGSI_OPCODE_ELSE },

   { 0, 0, 0, 0, 1, 0, NONE, "ENDIF", TGSI_OPCODE_ENDIF },

   { 1, 0, 0, 0, 1, 0, NONE, "", 79 },      /* removed */

   { 0, 0, 0, 0, 1, 0, NONE, "", 80 },      /* removed */

   { 0, 1, 0, 0, 0, 0, NONE, "PUSHA", TGSI_OPCODE_PUSHA },

   { 1, 0, 0, 0, 0, 0, NONE, "POPA", TGSI_OPCODE_POPA },

   { 1, 1, 0, 0, 0, 0, COMP, "CEIL", TGSI_OPCODE_CEIL },

   { 1, 1, 0, 0, 0, 0, COMP, "I2F", TGSI_OPCODE_I2F },

   { 1, 1, 0, 0, 0, 0, COMP, "NOT", TGSI_OPCODE_NOT },

   { 1, 1, 0, 0, 0, 0, COMP, "TRUNC", TGSI_OPCODE_TRUNC },

   { 1, 2, 0, 0, 0, 0, COMP, "SHL", TGSI_OPCODE_SHL },

   { 0, 0, 0, 0, 0, 0, NONE, "", 88 },      /* removed */

   { 1, 2, 0, 0, 0, 0, COMP, "AND", TGSI_OPCODE_AND },

   { 1, 2, 0, 0, 0, 0, COMP, "OR", TGSI_OPCODE_OR },

   { 1, 2, 0, 0, 0, 0, COMP, "MOD", TGSI_OPCODE_MOD },

   { 1, 2, 0, 0, 0, 0, COMP, "XOR", TGSI_OPCODE_XOR },

   { 1, 3, 0, 0, 0, 0, COMP, "SAD", TGSI_OPCODE_SAD },

   { 1, 2, 1, 0, 0, 0, OTHR, "TXF", TGSI_OPCODE_TXF },

   { 1, 2, 1, 0, 0, 0, OTHR, "TXQ", TGSI_OPCODE_TXQ },

   { 0, 0, 0, 0, 0, 0, NONE, "CONT", TGSI_OPCODE_CONT },

   { 0, 0, 0, 0, 0, 0, NONE, "EMIT", TGSI_OPCODE_EMIT },

   { 0, 0, 0, 0, 0, 0, NONE, "ENDPRIM", TGSI_OPCODE_ENDPRIM },

   { 0, 0, 0, 1, 0, 1, NONE, "BGNLOOP", TGSI_OPCODE_BGNLOOP },

   { 0, 0, 0, 0, 0, 1, NONE, "BGNSUB", TGSI_OPCODE_BGNSUB },

   { 0, 0, 0, 1, 1, 0, NONE, "ENDLOOP", TGSI_OPCODE_ENDLOOP },

   { 0, 0, 0, 0, 1, 0, NONE, "ENDSUB", TGSI_OPCODE_ENDSUB },

   { 1, 1, 1, 0, 0, 0, OTHR, "TXQ_LZ", TGSI_OPCODE_TXQ_LZ },

   { 0, 0, 0, 0, 0, 0, NONE, "", 104 },     /* removed */

   { 0, 0, 0, 0, 0, 0, NONE, "", 105 },     /* removed */

   { 0, 0, 0, 0, 0, 0, NONE, "", 106 },     /* removed */

   { 0, 0, 0, 0, 0, 0, NONE, "NOP", TGSI_OPCODE_NOP },

   { 0, 0, 0, 0, 0, 0, NONE, "", 108 },     /* removed */

   { 0, 0, 0, 0, 0, 0, NONE, "", 109 },     /* removed */

   { 0, 0, 0, 0, 0, 0, NONE, "", 110 },     /* removed */

   { 0, 0, 0, 0, 0, 0, NONE, "", 111 },     /* removed */

   { 1, 1, 0, 0, 0, 0, REPL, "NRM4", TGSI_OPCODE_NRM4 },

   { 0, 1, 0, 0, 0, 0, NONE, "CALLNZ", TGSI_OPCODE_CALLNZ },

   { 0, 1, 0, 0, 0, 0, NONE, "", 114 },     /* removed */

   { 0, 1, 0, 0, 0, 0, NONE, "BREAKC", TGSI_OPCODE_BREAKC },

   { 0, 1, 0, 0, 0, 0, NONE, "KILL_IF", TGSI_OPCODE_KILL_IF },

   { 0, 0, 0, 0, 0, 0, NONE, "END", TGSI_OPCODE_END },

   { 0, 0, 0, 0, 0, 0, NONE, "", 118 },     /* removed */

   { 1, 1, 0, 0, 0, 0, COMP, "F2I", TGSI_OPCODE_F2I },

   { 1, 2, 0, 0, 0, 0, COMP, "IDIV", TGSI_OPCODE_IDIV },

   { 1, 2, 0, 0, 0, 0, COMP, "IMAX", TGSI_OPCODE_IMAX },

   { 1, 2, 0, 0, 0, 0, COMP, "IMIN", TGSI_OPCODE_IMIN },

   { 1, 1, 0, 0, 0, 0, COMP, "INEG", TGSI_OPCODE_INEG },

   { 1, 2, 0, 0, 0, 0, COMP, "ISGE", TGSI_OPCODE_ISGE },

   { 1, 2, 0, 0, 0, 0, COMP, "ISHR", TGSI_OPCODE_ISHR },

   { 1, 2, 0, 0, 0, 0, COMP, "ISLT", TGSI_OPCODE_ISLT },

   { 1, 1, 0, 0, 0, 0, COMP, "F2U", TGSI_OPCODE_F2U },

   { 1, 1, 0, 0, 0, 0, COMP, "U2F", TGSI_OPCODE_U2F },

   { 1, 2, 0, 0, 0, 0, COMP, "UADD", TGSI_OPCODE_UADD },

   { 1, 2, 0, 0, 0, 0, COMP, "UDIV", TGSI_OPCODE_UDIV },

   { 1, 3, 0, 0, 0, 0, COMP, "UMAD", TGSI_OPCODE_UMAD },

   { 1, 2, 0, 0, 0, 0, COMP, "UMAX", TGSI_OPCODE_UMAX },

   { 1, 2, 0, 0, 0, 0, COMP, "UMIN", TGSI_OPCODE_UMIN },

   { 1, 2, 0, 0, 0, 0, COMP, "UMOD", TGSI_OPCODE_UMOD },

   { 1, 2, 0, 0, 0, 0, COMP, "UMUL", TGSI_OPCODE_UMUL },

   { 1, 2, 0, 0, 0, 0, COMP, "USEQ", TGSI_OPCODE_USEQ },

   { 1, 2, 0, 0, 0, 0, COMP, "USGE", TGSI_OPCODE_USGE },

   { 1, 2, 0, 0, 0, 0, COMP, "USHR", TGSI_OPCODE_USHR },

   { 1, 2, 0, 0, 0, 0, COMP, "USLT", TGSI_OPCODE_USLT },

   { 1, 2, 0, 0, 0, 0, COMP, "USNE", TGSI_OPCODE_USNE },

   { 0, 1, 0, 0, 0, 0, NONE, "SWITCH", TGSI_OPCODE_SWITCH },

   { 0, 1, 0, 0, 0, 0, NONE, "CASE", TGSI_OPCODE_CASE },

   { 0, 0, 0, 0, 0, 0, NONE, "DEFAULT", TGSI_OPCODE_DEFAULT },

   { 0, 0, 0, 0, 0, 0, NONE, "ENDSWITCH", TGSI_OPCODE_ENDSWITCH },

   { 1, 3, 0, 0, 0, 0, OTHR, "SAMPLE",      TGSI_OPCODE_SAMPLE },

   { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_I",    TGSI_OPCODE_SAMPLE_I },

   { 1, 3, 0, 0, 0, 0, OTHR, "SAMPLE_I_MS", TGSI_OPCODE_SAMPLE_I_MS },

   { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_B",    TGSI_OPCODE_SAMPLE_B },

   { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_C",    TGSI_OPCODE_SAMPLE_C },

   { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_C_LZ", TGSI_OPCODE_SAMPLE_C_LZ },

   { 1, 5, 0, 0, 0, 0, OTHR, "SAMPLE_D",    TGSI_OPCODE_SAMPLE_D },

   { 1, 4, 0, 0, 0, 0, OTHR, "SAMPLE_L",    TGSI_OPCODE_SAMPLE_L },

   { 1, 3, 0, 0, 0, 0, OTHR, "GATHER4",     TGSI_OPCODE_GATHER4 },

   { 1, 2, 0, 0, 0, 0, OTHR, "SVIEWINFO",   TGSI_OPCODE_SVIEWINFO },

   { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_POS",  TGSI_OPCODE_SAMPLE_POS },

   { 1, 2, 0, 0, 0, 0, OTHR, "SAMPLE_INFO", TGSI_OPCODE_SAMPLE_INFO },

   { 1, 1, 0, 0, 0, 0, COMP, "UARL", TGSI_OPCODE_UARL },

   { 1, 3, 0, 0, 0, 0, COMP, "UCMP", TGSI_OPCODE_UCMP },

   { 1, 1, 0, 0, 0, 0, COMP, "IABS", TGSI_OPCODE_IABS },

   { 1, 1, 0, 0, 0, 0, COMP, "ISSG", TGSI_OPCODE_ISSG },

   { 1, 2, 0, 0, 0, 0, OTHR, "LOAD", TGSI_OPCODE_LOAD },

   { 1, 2, 0, 0, 0, 0, OTHR, "STORE", TGSI_OPCODE_STORE },

   { 1, 0, 0, 0, 0, 0, OTHR, "MFENCE", TGSI_OPCODE_MFENCE },

   { 1, 0, 0, 0, 0, 0, OTHR, "LFENCE", TGSI_OPCODE_LFENCE },

   { 1, 0, 0, 0, 0, 0, OTHR, "SFENCE", TGSI_OPCODE_SFENCE },

   { 0, 0, 0, 0, 0, 0, OTHR, "BARRIER", TGSI_OPCODE_BARRIER },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUADD", TGSI_OPCODE_ATOMUADD },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMXCHG", TGSI_OPCODE_ATOMXCHG },

   { 1, 4, 0, 0, 0, 0, OTHR, "ATOMCAS", TGSI_OPCODE_ATOMCAS },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMAND", TGSI_OPCODE_ATOMAND },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMOR", TGSI_OPCODE_ATOMOR },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMXOR", TGSI_OPCODE_ATOMXOR },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUMIN", TGSI_OPCODE_ATOMUMIN },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMUMAX", TGSI_OPCODE_ATOMUMAX },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMIMIN", TGSI_OPCODE_ATOMIMIN },

   { 1, 3, 0, 0, 0, 0, OTHR, "ATOMIMAX", TGSI_OPCODE_ATOMIMAX },

   { 1, 3, 1, 0, 0, 0, OTHR, "TEX2", TGSI_OPCODE_TEX2 },

   { 1, 3, 1, 0, 0, 0, OTHR, "TXB2", TGSI_OPCODE_TXB2 },

   { 1, 3, 1, 0, 0, 0, OTHR, "TXL2", TGSI_OPCODE_TXL2 },

};

const struct tgsi_opcode_info *

tgsi_get_opcode_info( uint opcode )

{

   static boolean firsttime = 1;

   if (firsttime) {

      unsigned i;

      firsttime = 0;

      for (i = 0; i < Elements(opcode_info); i++)

         assert(opcode_info[i].opcode == i);

   }

   if (opcode < TGSI_OPCODE_LAST)

      return &opcode_info[opcode];

   assert( 0 );

   return NULL;

}

const char *

tgsi_get_opcode_name( uint opcode )

{

   const struct tgsi_opcode_info *info = tgsi_get_opcode_info(opcode);

   return info->mnemonic;

}

const char *

tgsi_get_processor_name( uint processor )

{

   switch (processor) {

   case TGSI_PROCESSOR_VERTEX:

      return "vertex shader";

   case TGSI_PROCESSOR_FRAGMENT:

      return "fragment shader";

   case TGSI_PROCESSOR_GEOMETRY:

      return "geometry shader";

   default:

      return "unknown shader type!";

   }

}

/**

 * Infer the type (of the dst) of the opcode.

 *

 * MOV and UCMP is special so return VOID

 */

static INLINE enum tgsi_opcode_type

tgsi_opcode_infer_type( uint opcode )

{

   switch (opcode) {

   case TGSI_OPCODE_MOV:

   case TGSI_OPCODE_UCMP:

      return TGSI_TYPE_UNTYPED;

   case TGSI_OPCODE_NOT:

   case TGSI_OPCODE_SHL:

   case TGSI_OPCODE_AND:

   case TGSI_OPCODE_OR:

   case TGSI_OPCODE_XOR:

   case TGSI_OPCODE_SAD: /* XXX some src args may be signed for SAD ? */

   case TGSI_OPCODE_TXQ:

   case TGSI_OPCODE_TXQ_LZ:

   case TGSI_OPCODE_F2U:

   case TGSI_OPCODE_UDIV:

   case TGSI_OPCODE_UMAD:

   case TGSI_OPCODE_UMAX:

   case TGSI_OPCODE_UMIN:

   case TGSI_OPCODE_UMOD:

   case TGSI_OPCODE_UMUL:

   case TGSI_OPCODE_USEQ:

   case TGSI_OPCODE_USGE:

   case TGSI_OPCODE_USHR:

   case TGSI_OPCODE_USLT:

   case TGSI_OPCODE_USNE:

   case TGSI_OPCODE_SVIEWINFO:

      return TGSI_TYPE_UNSIGNED;

   case TGSI_OPCODE_ARL:

   case TGSI_OPCODE_ARR:

   case TGSI_OPCODE_MOD:

   case TGSI_OPCODE_F2I:

   case TGSI_OPCODE_IDIV:

   case TGSI_OPCODE_IMAX:

   case TGSI_OPCODE_IMIN:

   case TGSI_OPCODE_INEG:

   case TGSI_OPCODE_ISGE:

   case TGSI_OPCODE_ISHR:

   case TGSI_OPCODE_ISLT:

   case TGSI_OPCODE_UADD:

   case TGSI_OPCODE_UARL:

   case TGSI_OPCODE_IABS:

   case TGSI_OPCODE_ISSG:

      return TGSI_TYPE_SIGNED;

   default:

      return TGSI_TYPE_FLOAT;

   }

}

/*

 * infer the source type of a TGSI opcode.

 */

enum tgsi_opcode_type

tgsi_opcode_infer_src_type( uint opcode )

{

   switch (opcode) {

   case TGSI_OPCODE_UIF:

   case TGSI_OPCODE_TXF:

   case TGSI_OPCODE_BREAKC:

   case TGSI_OPCODE_U2F:

   case TGSI_OPCODE_UADD:

   case TGSI_OPCODE_SWITCH:

   case TGSI_OPCODE_CASE:

   case TGSI_OPCODE_SAMPLE_I:

   case TGSI_OPCODE_SAMPLE_I_MS:

      return TGSI_TYPE_UNSIGNED;

   case TGSI_OPCODE_I2F:

      return TGSI_TYPE_SIGNED;

   case TGSI_OPCODE_ARL:

   case TGSI_OPCODE_ARR:

   case TGSI_OPCODE_TXQ_LZ:

   case TGSI_OPCODE_F2I:

   case TGSI_OPCODE_F2U:

   case TGSI_OPCODE_UCMP:

      return TGSI_TYPE_FLOAT;

   default:

      return tgsi_opcode_infer_type(opcode);

   }

}

/*

 * infer the destination type of a TGSI opcode.

 */

enum tgsi_opcode_type

tgsi_opcode_infer_dst_type( uint opcode )

{

   return tgsi_opcode_infer_type(opcode);

}