Class Image3DGL

include/internal/CL/cl.hpp:4335–4414

! \brief Class interface for GL 3D Image Memory objects. * * This is provided to facilitate interoperability with OpenGL. * * See Memory for details about copy semantics, etc. * * \see Memory */

 *  \see Memory
 */
class Image3DGL : public Image3D
{
public:
    /*! \brief Constructs an Image3DGL in a specified context, from a given
     *         GL Texture.
     *
     *  Wraps clCreateFromGLTexture3D().
     */
    Image3DGL(
        const Context& context,
        cl_mem_flags flags,
        cl_GLenum target,
        cl_GLint  miplevel,
        cl_GLuint texobj,
        cl_int * err = NULL)
    {
        cl_int error;
        object_ = ::clCreateFromGLTexture3D(
            context(),
            flags,
            target,
            miplevel,
            texobj,
            &error);

        detail::errHandler(error, __CREATE_GL_TEXTURE_3D_ERR);
        if (err != NULL) {
            *err = error;
        }
    }

    //! \brief Default constructor - initializes to NULL.
    Image3DGL() : Image3D() { }

    /*! \brief Constructor from cl_mem - takes ownership.
     *
     *  See Memory for further details.
     */
    __CL_EXPLICIT_CONSTRUCTORS Image3DGL(const cl_mem& image) : Image3D(image) { }

    /*! \brief Assignment from cl_mem - performs shallow copy.
     *
     *  See Memory for further details.
     */
    Image3DGL& operator = (const cl_mem& rhs)
    {
        Image3D::operator=(rhs);
        return *this;
    }

    /*! \brief Copy constructor to forward copy to the superclass correctly.
     * Required for MSVC.
     */
    Image3DGL(const Image3DGL& img) : Image3D(img) {}

    /*! \brief Copy assignment to forward copy to the superclass correctly.
     * Required for MSVC.
     */