flavors/gl/source/bufferstate.h

   1 #ifndef BUFFERSTATE_H_
   2 #define BUFFERSTATE_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include "autoconstptr.h"
   7 #include "opengl.h"
   8
   9 struct ArrayState;
  10
  11 struct BufferContent
  12 {
  13         struct Array
  14         {
  15                 GLenum kind;
  16                 unsigned index;
  17                 unsigned size;
  18                 GLenum type;
  19                 int offset;
  20
  21                 Array();
  22                 Array(const ArrayState &);
  23         };
  24
  25         bool consistent;
  26         unsigned stride;
  27         std::vector<Array> arrays;
  28
  29         BufferContent();
  30
  31         void update(const ArrayState &);
  32         void update_elements(GLenum);
  33         std::string describe() const;
  34 };
  35
  36 struct BufferState
  37 {
  38         unsigned id;
  39         GLenum target;
  40         GLenum usage;
  41         unsigned size;
  42         char *data;
  43         BufferContent content;
  44
  45         BufferState();
  46         ~BufferState();
  47
  48         void set_data(unsigned, const void *, GLenum);
  49         void set_sub_data(unsigned, unsigned, const void *);
  50         std::string describe() const;
  51 };
  52
  53 struct BufferBindingState
  54 {
  55         AutoConstPtr<BufferState> buffer;
  56         unsigned offset;
  57         unsigned size;
  58
  59         BufferBindingState();
  60 };
  61
  62 #endif