src/gallium/drivers/i965simple/brw_shader_info.c

   1
   2 #include "brw_context.h"
   3 #include "brw_state.h"
   4 #include "util/u_memory.h"
   5 #include "pipe/p_shader_tokens.h"
   6 #include "tgsi/tgsi_parse.h"
   7
   8
   9 /**
  10  * XXX this obsolete new and no longer compiled.
  11  */
  12 void brw_shader_info(const struct tgsi_token *tokens,
  13                      struct brw_shader_info *info )
  14 {
  15    struct tgsi_parse_context parse;
  16    int done = 0;
  17
  18    tgsi_parse_init( &parse, tokens );
  19
  20    while( !done &&
  21           !tgsi_parse_end_of_tokens( &parse ) )
  22    {
  23       tgsi_parse_token( &parse );
  24
  25       switch( parse.FullToken.Token.Type ) {
  26       case TGSI_TOKEN_TYPE_DECLARATION:
  27       {
  28          const struct tgsi_full_declaration *decl = &parse.FullToken.FullDeclaration;
  29          unsigned last = decl->DeclarationRange.Last;
  30
  31          // Broken by crazy wpos init:
  32          //assert( info->nr_regs[decl->Declaration.File] <= last);
  33
  34          info->nr_regs[decl->Declaration.File] = MAX2(info->nr_regs[decl->Declaration.File],
  35                                                       last+1);
  36          break;
  37       }
  38       case TGSI_TOKEN_TYPE_IMMEDIATE:
  39       case TGSI_TOKEN_TYPE_INSTRUCTION:
  40       default:
  41          done = 1;
  42          break;
  43       }
  44    }
  45
  46    tgsi_parse_free (&parse);
  47
  48 }