source/texture.h

   1 #ifndef MSP_GL_TEXTURE_H_
   2 #define MSP_GL_TEXTURE_H_
   3
   4 #include <GL/gl.h>
   5 #include "types.h"
   6
   7 namespace Msp {
   8 namespace GL {
   9
  10 enum TextureFilter
  11 {
  12         NEAREST                = GL_NEAREST,
  13         LINEAR                 = GL_LINEAR,
  14         NEAREST_MIPMAP_NEAREST = GL_NEAREST_MIPMAP_NEAREST,
  15         NEAREST_MIPMAP_LINEAR  = GL_NEAREST_MIPMAP_LINEAR,
  16         LINEAR_MIPMAP_NEAREST  = GL_LINEAR_MIPMAP_NEAREST,
  17         LINEAR_MIPMAP_LINEAR   = GL_LINEAR_MIPMAP_LINEAR
  18 };
  19
  20 enum TextureFormat
  21 {
  22         LUMINANCE8,
  23         LUMINANCE8_ALPHA8,
  24         RGB8,
  25         RGBA8,
  26         BGR8,
  27         BGRA8
  28 };
  29
  30 class Texture
  31 {
  32 public:
  33         void bind() const;
  34         void parameter(GLenum, int);
  35         void parameter(GLenum, float);
  36         void set_min_filter(TextureFilter f) { parameter(GL_TEXTURE_MIN_FILTER, f); }
  37         void set_mag_filter(TextureFilter f) { parameter(GL_TEXTURE_MAG_FILTER, f); }
  38         uint  get_id() const                 { return id; }
  39         sizei get_width(int =0) const;
  40         sizei get_height(int =0) const;
  41         sizei get_depth(int =0) const;
  42         ~Texture();
  43 protected:
  44         uint   id;
  45         GLenum target;
  46
  47         Texture();
  48
  49         static const Texture *bound;
  50 };
  51
  52 } // namespace GL
  53 } // namespace Msp
  54
  55 #endif