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         void update(const ArrayState &);
  31         void update_elements(GLenum);
  32         std::string describe() const;
  33 };
  34
  35 struct BufferState
  36 {
  37         unsigned id;
  38         GLenum target;
  39         GLenum usage;
  40         unsigned size;
  41         char *data;
  42         BufferContent content;
  43
  44         BufferState();
  45         void set_data(unsigned, const void *, GLenum);
  46         void set_sub_data(unsigned, unsigned, const void *);
  47         std::string describe() const;
  48 };
  49
  50 struct BufferBindingState
  51 {
  52         AutoConstPtr<BufferState> buffer;
  53         unsigned offset;
  54         unsigned size;
  55
  56         BufferBindingState();
  57 };
  58
  59 #endif