tgsi_iterate.h File Reference

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Data Structures
struct	tgsi_iterate_context
Functions
boolean	tgsi_iterate_shader (const struct tgsi_token *tokens, struct tgsi_iterate_context *ctx)

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Function Documentation

boolean tgsi_iterate_shader	(	const struct tgsi_token *	tokens,
		struct tgsi_iterate_context *	ctx
	)

Definition at line 32 of file tgsi_iterate.c.

References assert, tgsi_iterate_context::epilog, FALSE, tgsi_full_token::FullDeclaration, tgsi_parse_context::FullHeader, tgsi_full_token::FullImmediate, tgsi_full_token::FullInstruction, tgsi_parse_context::FullToken, tgsi_parse_context::FullVersion, tgsi_iterate_context::iterate_declaration, tgsi_iterate_context::iterate_immediate, tgsi_iterate_context::iterate_instruction, tgsi_full_header::Processor, tgsi_iterate_context::processor, tgsi_iterate_context::prolog, tgsi_parse_end_of_tokens(), tgsi_parse_free(), tgsi_parse_init(), TGSI_PARSE_OK, tgsi_parse_token(), TGSI_TOKEN_TYPE_DECLARATION, TGSI_TOKEN_TYPE_IMMEDIATE, TGSI_TOKEN_TYPE_INSTRUCTION, tgsi_full_token::Token, TRUE, tgsi_token::Type, tgsi_full_version::Version, and tgsi_iterate_context::version.

{
   struct tgsi_parse_context parse;

   if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK)
      return FALSE;

   ctx->processor = parse.FullHeader.Processor;
   ctx->version = parse.FullVersion.Version;

   if (ctx->prolog)
      if (!ctx->prolog( ctx ))
         goto fail;

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

      switch (parse.FullToken.Token.Type) {
      case TGSI_TOKEN_TYPE_INSTRUCTION:
         if (ctx->iterate_instruction)
            if (!ctx->iterate_instruction( ctx, &parse.FullToken.FullInstruction ))
               goto fail;
         break;

      case TGSI_TOKEN_TYPE_DECLARATION:
         if (ctx->iterate_declaration)
            if (!ctx->iterate_declaration( ctx, &parse.FullToken.FullDeclaration ))
               goto fail;
         break;

      case TGSI_TOKEN_TYPE_IMMEDIATE:
         if (ctx->iterate_immediate)
            if (!ctx->iterate_immediate( ctx, &parse.FullToken.FullImmediate ))
               goto fail;
         break;

      default:
         assert( 0 );
      }
   }

   if (ctx->epilog)
      if (!ctx->epilog( ctx ))
         goto fail;

   tgsi_parse_free( &parse );
   return TRUE;

fail:
   tgsi_parse_free( &parse );
   return FALSE;
}

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