flavors/gl/source/texturestate.h

   1 #ifndef TEXTURESTATE_H_
   2 #define TEXTURESTATE_H_
   3
   4 #include <string>
   5 #include <vector>
   6 #include "opengl.h"
   7 #include "autoconstptr.h"
   8
   9 struct TexImageState
  10 {
  11         unsigned width;
  12         unsigned height;
  13         unsigned depth;
  14         GLenum internal_format;
  15
  16         TexImageState();
  17         void set_2d(GLenum, unsigned, unsigned);
  18         std::string describe() const;
  19 };
  20
  21 struct TextureState
  22 {
  23         unsigned id;
  24         GLenum target;
  25         std::vector<TexImageState> images;
  26         GLenum min_filter;
  27         GLenum mag_filter;
  28         GLenum wrap_s;
  29         GLenum wrap_t;
  30         GLenum wrap_r;
  31         GLenum compare_mode;
  32         GLenum compare_func;
  33         bool generate_mipmap;
  34
  35         TextureState();
  36         void set_image_2d(unsigned, GLenum, unsigned, unsigned);
  37         void set_parameter(GLenum, const int *);
  38         std::string describe() const;
  39 };
  40
  41 struct TexUnitState
  42 {
  43         AutoConstPtr<TextureState> current_2d;
  44         AutoConstPtr<TextureState> current_3d;
  45
  46         TexUnitState();
  47
  48         void set_current_texture(GLenum, TextureState *);
  49         TextureState *get_current_texture(GLenum);
  50         const TextureState *get_current_texture(GLenum) const;
  51         std::string describe_binding(GLenum) const;
  52 };
  53
  54 #endif