tgsi_scan.h

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/**************************************************************************
 * 
 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
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 * The above copyright notice and this permission notice (including the
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#ifndef TGSI_SCAN_H
#define TGSI_SCAN_H


#include "pipe/p_compiler.h"
#include "pipe/p_state.h"
#include "pipe/p_shader_tokens.h"


struct tgsi_shader_info
{
   uint num_tokens;

   ubyte num_inputs;
   ubyte num_outputs;
   ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; 
   ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
   ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; 
   ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];

   uint file_mask[TGSI_FILE_COUNT];  
   uint file_count[TGSI_FILE_COUNT];  
   int file_max[TGSI_FILE_COUNT];  
   uint immediate_count; 
   uint opcode_count[TGSI_OPCODE_LAST];  
   boolean writes_z;  
   boolean uses_kill;  
   boolean uses_fogcoord; 
   boolean uses_frontfacing; 
};


extern void
tgsi_scan_shader(const struct tgsi_token *tokens,
                 struct tgsi_shader_info *info);


extern boolean
tgsi_is_passthrough_shader(const struct tgsi_token *tokens);


#endif /* TGSI_SCAN_H */

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