src/gallium/state_trackers/clover/core/module.hpp

   1 //
   2 // Copyright 2012 Francisco Jerez
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining a
   5 // copy of this software and associated documentation files (the "Software"),
   6 // to deal in the Software without restriction, including without limitation
   7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 // and/or sell copies of the Software, and to permit persons to whom the
   9 // Software is furnished to do so, subject to the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be included in
  12 // all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 // OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22
  23 #ifndef CLOVER_CORE_MODULE_HPP
  24 #define CLOVER_CORE_MODULE_HPP
  25
  26 #include <vector>
  27 #include <string>
  28
  29 namespace clover {
  30    struct module {
  31       typedef uint32_t resource_id;
  32       typedef uint32_t size_t;
  33
  34       struct section {
  35          enum type {
  36             text_intermediate,
  37             text_library,
  38             text_executable,
  39             data_constant,
  40             data_global,
  41             data_local,
  42             data_private
  43          };
  44
  45          section(resource_id id, enum type type, size_t size,
  46                  const std::vector<char> &data) :
  47                  id(id), type(type), size(size), data(data) { }
  48          section() : id(0), type(text_intermediate), size(0), data() { }
  49
  50          resource_id id;
  51          type type;
  52          size_t size;
  53          std::vector<char> data;
  54       };
  55
  56       struct argument {
  57          enum type {
  58             scalar,
  59             constant,
  60             global,
  61             local,
  62             image2d_rd,
  63             image2d_wr,
  64             image3d_rd,
  65             image3d_wr,
  66             sampler
  67          };
  68
  69          enum ext_type {
  70             zero_ext,
  71             sign_ext
  72          };
  73
  74          enum semantic {
  75             general,
  76             grid_dimension,
  77             grid_offset,
  78             image_size,
  79             image_format
  80          };
  81
  82          argument(enum type type, size_t size,
  83                   size_t target_size, size_t target_align,
  84                   enum ext_type ext_type,
  85                   enum semantic semantic = general) :
  86             type(type), size(size),
  87             target_size(target_size), target_align(target_align),
  88             ext_type(ext_type), semantic(semantic) { }
  89
  90          argument(enum type type, size_t size) :
  91             type(type), size(size),
  92             target_size(size), target_align(1),
  93             ext_type(zero_ext), semantic(general) { }
  94
  95          argument() : type(scalar), size(0),
  96                       target_size(0), target_align(1),
  97                       ext_type(zero_ext), semantic(general) { }
  98
  99          type type;
 100          size_t size;
 101          size_t target_size;
 102          size_t target_align;
 103          ext_type ext_type;
 104          semantic semantic;
 105       };
 106
 107       struct symbol {
 108          symbol(const std::string &name, resource_id section,
 109                 size_t offset, const std::vector<argument> &args) :
 110                 name(name), section(section), offset(offset), args(args) { }
 111          symbol() : name(), section(0), offset(0), args() { }
 112
 113          std::string name;
 114          resource_id section;
 115          size_t offset;
 116          std::vector<argument> args;
 117       };
 118
 119       void serialize(std::ostream &os) const;
 120       static module deserialize(std::istream &is);
 121       size_t size() const;
 122
 123       std::vector<symbol> syms;
 124       std::vector<section> secs;
 125    };
 126 }
 127
 128 #endif