source/glsl/spirvwriter.h

   1 #ifndef MSP_GL_SL_SPIRVWRITER_H_
   2 #define MSP_GL_SL_SPIRVWRITER_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include <cstdint>
   7 #include "spirvconstants.h"
   8
   9 namespace Msp {
  10 namespace GL {
  11 namespace SL {
  12
  13 struct SpirVContent
  14 {
  15         typedef std::uint32_t Word;
  16
  17         std::vector<Word> code;
  18         std::vector<Word> capabilities;
  19         std::vector<Word> extensions;
  20         std::vector<Word> entry_points;
  21         std::vector<Word> exec_modes;
  22         std::vector<Word> names;
  23         std::vector<Word> decorations;
  24         std::vector<Word> globals;
  25         std::vector<Word> functions;
  26         std::vector<Word> locals;
  27         std::vector<Word> function_body;
  28 };
  29
  30 class SpirVWriter
  31 {
  32 public:
  33         typedef SpirVOpcode Opcode;
  34         typedef SpirVDecoration Decoration;
  35         typedef SpirVContent::Word Word;
  36         typedef Word Id;
  37
  38 private:
  39         SpirVContent &content;
  40         std::vector<Word> *op_target;
  41         unsigned op_head_pos;
  42         Id current_block_id;
  43
  44 public:
  45         SpirVWriter(SpirVContent &);
  46
  47         void append(std::vector<Word> &, const std::vector<Word> &);
  48         void write(Word);
  49         void write_float(float);
  50         void write_string(const std::string &);
  51         void begin_op(std::vector<Word> &, Opcode, unsigned = 0);
  52         void end_op(SpirVOpcode);
  53         void write_op(std::vector<Word> &, Opcode);
  54         void write_op(std::vector<Word> &, Opcode, Word);
  55         void write_op(std::vector<Word> &, Opcode, Word, Word);
  56         void write_op(std::vector<Word> &, Opcode, Word, Word, Word);
  57         void write_op_name(Id, const std::string &);
  58         void write_op_member_name(Id, unsigned, const std::string &);
  59         void write_op_decorate(Id, Decoration);
  60         void write_op_decorate(Id, Decoration, Word);
  61         void write_op_member_decorate(Id, unsigned, Decoration);
  62         void write_op_member_decorate(Id, unsigned, Decoration, Word);
  63         void write_op_label(Id);
  64         Id get_current_block() const { return current_block_id; }
  65         void begin_function_body(Id);
  66         void end_function_body();
  67         void finalize(unsigned, Id);
  68 };
  69
  70 } // namespace SL
  71 } // namespace GL
  72 } // namespace Msp
  73
  74 #endif