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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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#ifndef IVertexAttribSet_INCLUDE_ONCE
#define IVertexAttribSet_INCLUDE_ONCE

#include <vlGraphics/Array.hpp>
#include <vlCore/Collection.hpp>

namespace vl
{
  //------------------------------------------------------------------------------
  // IVertexAttribSet
  //------------------------------------------------------------------------------
  /** Abstract interface to manipulate OpenGL's vertex attribute arrays. */
  class IVertexAttribSet
  {
  public:
    /** Conventional vertex array. */
    virtual void setVertexArray(ArrayAbstract* data) = 0;
    /** Conventional vertex array. */
    virtual const ArrayAbstract* vertexArray() const = 0;
    /** Conventional vertex array. */
    virtual ArrayAbstract* vertexArray() = 0;

    /** Conventional normal array. */
    virtual void setNormalArray(ArrayAbstract* data) = 0;
    /** Conventional normal array. */
    virtual const ArrayAbstract* normalArray() const = 0;
    /** Conventional normal array. */
    virtual ArrayAbstract* normalArray() = 0;

    /** Conventional color array. */
    virtual void setColorArray(ArrayAbstract* data) = 0;
    /** Conventional color array. */
    virtual const ArrayAbstract* colorArray() const = 0;
    /** Conventional color array. */
    virtual ArrayAbstract* colorArray() = 0;

    /** Conventional secondary color array. */
    virtual void setSecondaryColorArray(ArrayAbstract* data) = 0;
    /** Conventional secondary color array. */
    virtual const ArrayAbstract* secondaryColorArray() const = 0;
    /** Conventional secondary color array. */
    virtual ArrayAbstract* secondaryColorArray() = 0;

    /** Conventional fog array. */
    virtual void setFogCoordArray(ArrayAbstract* data) = 0;
    /** Conventional fog array. */
    virtual const ArrayAbstract* fogCoordArray() const = 0;
    /** Conventional fog array. */
    virtual ArrayAbstract* fogCoordArray() = 0;

    /** Conventional texture coords arrays. */
    virtual void setTexCoordArray(int tex_unit, ArrayAbstract* data) = 0;
    /** Conventional texture coords arrays. */
    virtual const ArrayAbstract* texCoordArray(int tex_unit) const = 0;
    /** Conventional texture coords arrays. */
    virtual ArrayAbstract* texCoordArray(int tex_unit) = 0;

    /** Binds a generic vertex attribute. */
    virtual void setVertexAttribArray(int attrib_location, const ArrayAbstract* info) = 0;
    /** Returns a generic vertex attribute's info. */
    virtual const ArrayAbstract* vertexAttribArray(int attrib_location) const = 0;
    /** Returns a generic vertex attribute's info. */
    virtual ArrayAbstract* vertexAttribArray(int attrib_location) = 0;
  };
}

#endif