cs237-texture.hxx

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/*
 * COPYRIGHT (c) 2013 John Reppy (http://cs.uchicago.edu/~jhr)
 * All rights reserved.
 */

#ifndef _CS237_TEXTURE_HXX_
#define _CS237_TEXTURE_HXX_

#ifndef _CS237_HXX_
#error "cs237-texture.hxx should not be included directly"
#endif

namespace cs237 {

    namespace __detail {

    class texture_base {
      public:
        GLuint Id() const { return this->_obj->_id; }
        GLenum Target() const { return this->_target; }

        void Bind ();

        void Parameter (GLenum param, GLenum value);
        void Parameter (GLenum param, GLint value);
        void Parameter (GLenum param, color4f value);

      protected:
        texture_base (GLenum target);

        GLenum _target;

      private:
        // wrapper class around GL Texture ID
        struct Obj {
        GLuint  _id;
        Obj (GLuint id) : _id(id) { }
        ~Obj ();
        };

        std::shared_ptr<Obj> _obj;
    };

    } /* namespace __detail */

    class texture1D : public __detail::texture_base {
      public:

    texture1D (image1d *img);

    texture1D (GLenum target, GLenum ifmt, GLenum wid, GLenum fmt, GLenum ty);

    };

    class texture2D : public __detail::texture_base {
      public:

    texture2D (GLenum target, image2d *img);

    texture2D (GLenum target, GLenum ifmt, GLenum wid, GLenum ht, GLenum fmt, GLenum ty);

    };

} /* namespace cs237 */

#endif /* !_CS237_TEXTURE_HXX_ */