tgsi_transform.h

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/**************************************************************************
 * 
 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 *
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 * 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.
 * 
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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#ifndef TGSI_TRANSFORM_H
#define TGSI_TRANSFORM_H


#include "pipe/p_shader_tokens.h"
#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_build.h"



struct tgsi_transform_context
{
/**** PUBLIC ***/

   void (*transform_instruction)(struct tgsi_transform_context *ctx,
                                 struct tgsi_full_instruction *inst);

   void (*transform_declaration)(struct tgsi_transform_context *ctx,
                                 struct tgsi_full_declaration *decl);

   void (*transform_immediate)(struct tgsi_transform_context *ctx,
                               struct tgsi_full_immediate *imm);

   void (*epilog)(struct tgsi_transform_context *ctx);


/*** PRIVATE ***/

   void (*emit_instruction)(struct tgsi_transform_context *ctx,
                            const struct tgsi_full_instruction *inst);
   void (*emit_declaration)(struct tgsi_transform_context *ctx,
                            const struct tgsi_full_declaration *decl);
   void (*emit_immediate)(struct tgsi_transform_context *ctx,
                          const struct tgsi_full_immediate *imm);

   struct tgsi_header *header;
   uint max_tokens_out;
   struct tgsi_token *tokens_out;
   uint ti;
};



extern int
tgsi_transform_shader(const struct tgsi_token *tokens_in,
                      struct tgsi_token *tokens_out,
                      uint max_tokens_out,
                      struct tgsi_transform_context *ctx);


#endif /* TGSI_TRANSFORM_H */

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