source/core/reflectdata.h

   1 #ifndef MSP_GL_REFLECTDATA_H_
   2 #define MSP_GL_REFLECTDATA_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include "datatype.h"
   7 #include "tag.h"
   8
   9 namespace Msp {
  10 namespace GL {
  11
  12 /**
  13 Reflection data for shader programs.
  14 */
  15 struct ReflectData
  16 {
  17         enum
  18         {
  19                 DEFAULT_BLOCK = -1,
  20                 PUSH_CONSTANT = -2
  21         };
  22
  23         typedef unsigned LayoutHash;
  24         struct UniformBlockInfo;
  25
  26         struct UniformInfo
  27         {
  28                 std::string name;
  29                 const UniformBlockInfo *block = 0;
  30                 union
  31                 {
  32                         int location = -1;
  33                         unsigned offset;
  34                 };
  35                 unsigned array_size = 0;
  36                 unsigned array_stride = 0;
  37                 unsigned matrix_stride = 0;
  38                 DataType type = VOID;
  39                 Tag tag;
  40                 int binding = -1;
  41         };
  42
  43         struct UniformBlockInfo
  44         {
  45                 std::string name;
  46                 unsigned data_size = 0;
  47                 int bind_point = DEFAULT_BLOCK;
  48                 std::vector<const UniformInfo *> uniforms;
  49                 LayoutHash layout_hash = 0;
  50
  51                 void sort_uniforms();
  52                 void update_layout_hash();
  53         };
  54
  55         struct AttributeInfo
  56         {
  57                 std::string name;
  58                 int location = -1;
  59                 unsigned array_size = 0;
  60                 DataType type = VOID;
  61         };
  62
  63         std::vector<UniformBlockInfo> uniform_blocks;
  64         std::vector<UniformInfo> uniforms;
  65         LayoutHash layout_hash = 0;
  66         std::vector<AttributeInfo> attributes;
  67         unsigned n_clip_distances = 0;
  68         unsigned n_descriptor_sets = 0;
  69
  70         void update_layout_hash();
  71 };
  72
  73 } // namespace GL
  74 } // namespace Msp
  75
  76 #endif