source/texture.h

   1 /* $Id$
   2
   3 This file is part of libmspgl
   4 Copyright © 2007  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #ifndef MSP_GL_TEXTURE_H_
   9 #define MSP_GL_TEXTURE_H_
  10
  11 #include <GL/gl.h>
  12 #include "types.h"
  13
  14 namespace Msp {
  15 namespace GL {
  16
  17 enum TextureFilter
  18 {
  19         NEAREST                = GL_NEAREST,
  20         LINEAR                 = GL_LINEAR,
  21         NEAREST_MIPMAP_NEAREST = GL_NEAREST_MIPMAP_NEAREST,
  22         NEAREST_MIPMAP_LINEAR  = GL_NEAREST_MIPMAP_LINEAR,
  23         LINEAR_MIPMAP_NEAREST  = GL_LINEAR_MIPMAP_NEAREST,
  24         LINEAR_MIPMAP_LINEAR   = GL_LINEAR_MIPMAP_LINEAR
  25 };
  26
  27 enum TextureFormat
  28 {
  29         LUMINANCE8,
  30         LUMINANCE8_ALPHA8,
  31         RGB8,
  32         RGBA8,
  33         BGR8,
  34         BGRA8
  35 };
  36
  37 class Texture
  38 {
  39 public:
  40         ~Texture();
  41
  42         void bind() const;
  43         void parameter(GLenum, int);
  44         void parameter(GLenum, float);
  45         void set_min_filter(TextureFilter f) { parameter(GL_TEXTURE_MIN_FILTER, f); }
  46         void set_mag_filter(TextureFilter f) { parameter(GL_TEXTURE_MAG_FILTER, f); }
  47         GLenum get_target() const            { return target; }
  48         uint  get_id() const                 { return id; }
  49
  50         static void unbind();
  51 protected:
  52         uint   id;
  53         GLenum target;
  54
  55         Texture();
  56         Texture(const Texture &);
  57         Texture &operator=(const Texture &);
  58         void maybe_bind() const;
  59 };
  60
  61 } // namespace GL
  62 } // namespace Msp
  63
  64 #endif