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         typedef unsigned LayoutHash;
  18         struct UniformBlockInfo;
  19
  20         struct UniformInfo
  21         {
  22                 std::string name;
  23                 const UniformBlockInfo *block = 0;
  24                 union
  25                 {
  26                         int location = -1;
  27                         unsigned offset;
  28                 };
  29                 unsigned array_size = 0;
  30                 unsigned array_stride = 0;
  31                 unsigned matrix_stride = 0;
  32                 DataType type = VOID;
  33                 Tag tag;
  34                 int descriptor_set = 0;
  35                 int binding = -1;
  36         };
  37
  38         struct UniformBlockInfo
  39         {
  40                 std::string name;
  41                 unsigned data_size = 0;
  42                 int descriptor_set = 0;
  43                 int bind_point = -1;
  44                 std::vector<const UniformInfo *> uniforms;
  45                 LayoutHash layout_hash = 0;
  46
  47                 void sort_uniforms();
  48                 void update_layout_hash();
  49         };
  50
  51         struct AttributeInfo
  52         {
  53                 std::string name;
  54                 int location = -1;
  55                 unsigned array_size = 0;
  56                 DataType type = VOID;
  57         };
  58
  59         std::vector<UniformBlockInfo> uniform_blocks;
  60         std::vector<UniformInfo> uniforms;
  61         LayoutHash layout_hash = 0;
  62         std::vector<AttributeInfo> attributes;
  63         unsigned n_clip_distances = 0;
  64
  65         void update_layout_hash();
  66 };
  67
  68 } // namespace GL
  69 } // namespace Msp
  70
  71 #endif