reactos/dll/opengl/mesa/src/gallium/auxiliary/tgsi/tgsi_scan.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef TGSI_SCAN_H
  29 #define TGSI_SCAN_H
  30
  31
  32 #include "pipe/p_compiler.h"
  33 #include "pipe/p_state.h"
  34 #include "pipe/p_shader_tokens.h"
  35
  36 /**
  37  * Shader summary info
  38  */
  39 struct tgsi_shader_info
  40 {
  41    uint num_tokens;
  42
  43    ubyte num_inputs;
  44    ubyte num_outputs;
  45    ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; /**< TGSI_SEMANTIC_x */
  46    ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
  47    ubyte input_interpolate[PIPE_MAX_SHADER_INPUTS];
  48    ubyte input_centroid[PIPE_MAX_SHADER_INPUTS];
  49    ubyte input_usage_mask[PIPE_MAX_SHADER_INPUTS];
  50    ubyte input_cylindrical_wrap[PIPE_MAX_SHADER_INPUTS];
  51    ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; /**< TGSI_SEMANTIC_x */
  52    ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
  53
  54    ubyte num_system_values;
  55    ubyte system_value_semantic_name[PIPE_MAX_SHADER_INPUTS];
  56
  57    uint file_mask[TGSI_FILE_COUNT];  /**< bitmask of declared registers */
  58    uint file_count[TGSI_FILE_COUNT];  /**< number of declared registers */
  59    int file_max[TGSI_FILE_COUNT];  /**< highest index of declared registers */
  60
  61    uint immediate_count; /**< number of immediates declared */
  62    uint num_instructions;
  63
  64    uint opcode_count[TGSI_OPCODE_LAST];  /**< opcode histogram */
  65
  66    boolean reads_position; /**< does fragment shader read position? */
  67    boolean reads_z; /**< does fragment shader read depth? */
  68    boolean writes_z;  /**< does fragment shader write Z value? */
  69    boolean writes_stencil; /**< does fragment shader write stencil value? */
  70    boolean writes_edgeflag; /**< vertex shader outputs edgeflag */
  71    boolean uses_kill;  /**< KIL or KILP instruction used? */
  72    boolean uses_instanceid;
  73    boolean uses_vertexid;
  74    boolean origin_lower_left;
  75    boolean pixel_center_integer;
  76    boolean color0_writes_all_cbufs;
  77
  78    unsigned num_written_clipdistance;
  79    /**
  80     * Bitmask indicating which register files are accessed with
  81     * indirect addressing.  The bits are (1 << TGSI_FILE_x), etc.
  82     */
  83    unsigned indirect_files;
  84
  85    struct {
  86       unsigned name;
  87       unsigned data[8];
  88    } properties[TGSI_PROPERTY_COUNT];
  89    uint num_properties;
  90 };
  91
  92 extern void
  93 tgsi_scan_shader(const struct tgsi_token *tokens,
  94                  struct tgsi_shader_info *info);
  95
  96
  97 extern boolean
  98 tgsi_is_passthrough_shader(const struct tgsi_token *tokens);
  99
 100
 101 #endif /* TGSI_SCAN_H */