flavors/gl/source/bufferstate.h

   1 #ifndef BUFFERSTATE_H_
   2 #define BUFFERSTATE_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include "opengl.h"
   7
   8 struct ArrayState;
   9
  10 struct BufferContent
  11 {
  12         struct Array
  13         {
  14                 GLenum kind;
  15                 unsigned index;
  16                 unsigned size;
  17                 GLenum type;
  18                 int offset;
  19
  20                 Array();
  21                 Array(const ArrayState &);
  22         };
  23
  24         bool consistent;
  25         unsigned stride;
  26         std::vector<Array> arrays;
  27
  28         BufferContent();
  29         void update(const ArrayState &);
  30         void update_elements(GLenum);
  31         std::string describe() const;
  32 };
  33
  34 struct BufferState
  35 {
  36         unsigned id;
  37         GLenum target;
  38         GLenum usage;
  39         unsigned size;
  40         char *data;
  41         BufferContent content;
  42
  43         BufferState();
  44         void set_data(unsigned, const void *, GLenum);
  45         void set_sub_data(unsigned, unsigned, const void *);
  46         std::string describe() const;
  47 };
  48
  49 #endif