Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /**************************************************************************
  2.  *
  3.  * Copyright 2008 VMware, Inc.
  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,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  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 VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  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. #ifdef __cplusplus
  37. extern "C" {
  38. #endif
  39.  
  40. /**
  41.  * Shader summary info
  42.  */
  43. struct tgsi_shader_info
  44. {
  45.    uint num_tokens;
  46.  
  47.    ubyte num_inputs;
  48.    ubyte num_outputs;
  49.    ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; /**< TGSI_SEMANTIC_x */
  50.    ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
  51.    ubyte input_interpolate[PIPE_MAX_SHADER_INPUTS];
  52.    ubyte input_interpolate_loc[PIPE_MAX_SHADER_INPUTS];
  53.    ubyte input_usage_mask[PIPE_MAX_SHADER_INPUTS];
  54.    ubyte input_cylindrical_wrap[PIPE_MAX_SHADER_INPUTS];
  55.    ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; /**< TGSI_SEMANTIC_x */
  56.    ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
  57.  
  58.    ubyte num_system_values;
  59.    ubyte system_value_semantic_name[PIPE_MAX_SHADER_INPUTS];
  60.  
  61.    ubyte processor;
  62.  
  63.    uint file_mask[TGSI_FILE_COUNT];  /**< bitmask of declared registers */
  64.    uint file_count[TGSI_FILE_COUNT];  /**< number of declared registers */
  65.    int file_max[TGSI_FILE_COUNT];  /**< highest index of declared registers */
  66.    int const_file_max[PIPE_MAX_CONSTANT_BUFFERS];
  67.  
  68.    unsigned array_max[TGSI_FILE_COUNT];  /**< highest index array per register file */
  69.  
  70.    uint immediate_count; /**< number of immediates declared */
  71.    uint num_instructions;
  72.  
  73.    uint opcode_count[TGSI_OPCODE_LAST];  /**< opcode histogram */
  74.  
  75.    boolean reads_position; /**< does fragment shader read position? */
  76.    boolean reads_z; /**< does fragment shader read depth? */
  77.    boolean writes_z;  /**< does fragment shader write Z value? */
  78.    boolean writes_stencil; /**< does fragment shader write stencil value? */
  79.    boolean writes_edgeflag; /**< vertex shader outputs edgeflag */
  80.    boolean uses_kill;  /**< KILL or KILL_IF instruction used? */
  81.    boolean uses_centroid;
  82.    boolean uses_instanceid;
  83.    boolean uses_vertexid;
  84.    boolean uses_vertexid_nobase;
  85.    boolean uses_basevertex;
  86.    boolean uses_primid;
  87.    boolean uses_frontface;
  88.    boolean writes_psize;
  89.    boolean writes_clipvertex;
  90.    boolean writes_viewport_index;
  91.    boolean writes_layer;
  92.    boolean is_msaa_sampler[PIPE_MAX_SAMPLERS];
  93.  
  94.    unsigned clipdist_writemask;
  95.    unsigned culldist_writemask;
  96.    unsigned num_written_culldistance;
  97.    unsigned num_written_clipdistance;
  98.    /**
  99.     * Bitmask indicating which register files are accessed with
  100.     * indirect addressing.  The bits are (1 << TGSI_FILE_x), etc.
  101.     */
  102.    unsigned indirect_files;
  103.    /**
  104.     * Bitmask indicating which register files are read / written with
  105.     * indirect addressing.  The bits are (1 << TGSI_FILE_x).
  106.     */
  107.    unsigned indirect_files_read;
  108.    unsigned indirect_files_written;
  109.  
  110.    unsigned properties[TGSI_PROPERTY_COUNT]; /* index with TGSI_PROPERTY_ */
  111. };
  112.  
  113. extern void
  114. tgsi_scan_shader(const struct tgsi_token *tokens,
  115.                  struct tgsi_shader_info *info);
  116.  
  117.  
  118. extern boolean
  119. tgsi_is_passthrough_shader(const struct tgsi_token *tokens);
  120.  
  121. #ifdef __cplusplus
  122. } // extern "C"
  123. #endif
  124.  
  125. #endif /* TGSI_SCAN_H */
  126.