brw_shader_info.c File Reference

Include dependency graph for brw_shader_info.c:

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Functions
void	brw_shader_info (const struct tgsi_token *tokens, struct brw_shader_info *info)
	XXX this obsolete new and no longer compiled.

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Function Documentation

void brw_shader_info	(	const struct tgsi_token *	tokens,
		struct brw_shader_info *	info
	)

XXX this obsolete new and no longer compiled.

Definition at line 12 of file brw_shader_info.c.

References tgsi_full_declaration::Declaration, tgsi_full_declaration::DeclarationRange, tgsi_declaration::File, tgsi_full_token::FullDeclaration, tgsi_parse_context::FullToken, tgsi_declaration_range::Last, MAX2, tgsi_parse_end_of_tokens(), tgsi_parse_free(), tgsi_parse_init(), tgsi_parse_token(), TGSI_TOKEN_TYPE_DECLARATION, TGSI_TOKEN_TYPE_IMMEDIATE, TGSI_TOKEN_TYPE_INSTRUCTION, tgsi_full_token::Token, and tgsi_token::Type.

{
   struct tgsi_parse_context parse;
   int done = 0;

   tgsi_parse_init( &parse, tokens );

   while( !done &&
          !tgsi_parse_end_of_tokens( &parse ) ) 
   {
      tgsi_parse_token( &parse );

      switch( parse.FullToken.Token.Type ) {
      case TGSI_TOKEN_TYPE_DECLARATION:
      {
         const struct tgsi_full_declaration *decl = &parse.FullToken.FullDeclaration;
         unsigned last = decl->DeclarationRange.Last;
      
         // Broken by crazy wpos init:
         //assert( info->nr_regs[decl->Declaration.File] <= last);

         info->nr_regs[decl->Declaration.File] = MAX2(info->nr_regs[decl->Declaration.File],
                                                      last+1);
         break;
      }
      case TGSI_TOKEN_TYPE_IMMEDIATE:
      case TGSI_TOKEN_TYPE_INSTRUCTION:
      default:
         done = 1;
         break;
      }
   }

   tgsi_parse_free (&parse);
   
}

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