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         ~Texture();
  34
  35         void bind() const;
  36         void parameter(GLenum, int);
  37         void parameter(GLenum, float);
  38         void set_min_filter(TextureFilter f) { parameter(GL_TEXTURE_MIN_FILTER, f); }
  39         void set_mag_filter(TextureFilter f) { parameter(GL_TEXTURE_MAG_FILTER, f); }
  40         GLenum get_target() const            { return target; }
  41         uint  get_id() const                 { return id; }
  42
  43         static void unbind();
  44 protected:
  45         uint   id;
  46         GLenum target;
  47
  48         Texture();
  49         Texture(const Texture &);
  50         Texture &operator=(const Texture &);
  51         void maybe_bind() const;
  52 };
  53
  54 } // namespace GL
  55 } // namespace Msp
  56
  57 #endif