source/texturestate.h

   1 /* $Id$
   2
   3 This file is part of gldbg
   4 Copyright © 2009  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the GPL
   6 */
   7
   8 #ifndef TEXTURESTATE_H_
   9 #define TEXTURESTATE_H_
  10
  11 #include <string>
  12 #include <vector>
  13 #include "opengl.h"
  14 #include "autoconstptr.h"
  15
  16 struct TexImageState
  17 {
  18         unsigned width;
  19         unsigned height;
  20         unsigned depth;
  21         GLenum internal_format;
  22
  23         TexImageState();
  24         void set_2d(GLenum, unsigned, unsigned);
  25         std::string describe() const;
  26 };
  27
  28 struct TextureState
  29 {
  30         unsigned id;
  31         GLenum target;
  32         std::vector<TexImageState> images;
  33         GLenum min_filter;
  34         GLenum mag_filter;
  35         GLenum wrap_s;
  36         GLenum wrap_t;
  37         GLenum wrap_r;
  38         GLenum compare_mode;
  39         GLenum compare_func;
  40         bool generate_mipmap;
  41
  42         TextureState();
  43         void set_image_2d(unsigned, GLenum, unsigned, unsigned);
  44         void set_parameter(GLenum, const int *);
  45         std::string describe() const;
  46 };
  47
  48 struct TexUnitState
  49 {
  50         AutoConstPtr<TextureState> current_2d;
  51         AutoConstPtr<TextureState> current_3d;
  52
  53         TexUnitState();
  54
  55         void set_current_texture(GLenum, TextureState *);
  56         TextureState *get_current_texture(GLenum);
  57         const TextureState *get_current_texture(GLenum) const;
  58         std::string describe_binding(GLenum) const;
  59 };
  60
  61 #endif