# ../gegl/operation/gegl-operation-point-composer.h

    /* This file is part of GEGL
     *
     * GEGL is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 3 of the License, or (at your option) any later version.
     *
     * GEGL is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     *
     * You should have received a copy of the GNU Lesser General Public
     * License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
     *
     * Copyright 2006 Øyvind Kolås
     */

    /* GeglOperationPointComposer
     * A baseclass for composer functions where the output pixels' values depends only on
     * the values of the single corresponding input and aux pixels.
     */

    #ifndef __GEGL_OPERATION_POINT_COMPOSER_H__
    #define __GEGL_OPERATION_POINT_COMPOSER_H__

    #include "gegl-operation-composer.h"

    #include "opencl/gegl-cl.h"

    G_BEGIN_DECLS

    #define GEGL_TYPE_OPERATION_POINT_COMPOSER            (gegl_operation_point_composer_get_type ())
    #define GEGL_OPERATION_POINT_COMPOSER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEGL_TYPE_OPERATION_POINT_COMPOSER, GeglOperationPointComposer))
    #define GEGL_OPERATION_POINT_COMPOSER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GEGL_TYPE_OPERATION_POINT_COMPOSER, GeglOperationPointComposerClass))
    #define GEGL_IS_OPERATION_POINT_COMPOSER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEGL_TYPE_OPERATION_POINT_COMPOSER))
    #define GEGL_IS_OPERATION_POINT_COMPOSER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  GEGL_TYPE_OPERATION_POINT_COMPOSER))
    #define GEGL_OPERATION_POINT_COMPOSER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  GEGL_TYPE_OPERATION_POINT_COMPOSER, GeglOperationPointComposerClass))

    typedef struct _GeglOperationPointComposer  GeglOperationPointComposer;
    struct _GeglOperationPointComposer
    {
      GeglOperationComposer parent_instance;

      /*< private >*/
    };

    typedef struct _GeglOperationPointComposerClass GeglOperationPointComposerClass;
    struct _GeglOperationPointComposerClass
    {
      GeglOperationComposerClass parent_class;

      gboolean (* process) (GeglOperation       *self,      /* for parameters      */
                            void                *in,
                            void                *aux,
                            void                *out,
                            glong                samples, /* number of samples   */
                            const GeglRectangle *roi,     /* rectangular region in output buffer */
                            gint                 level);

      cl_int   (* cl_process) (GeglOperation       *self,
                               cl_mem               in_tex,
                               cl_mem               aux_tex,
                               cl_mem               out_tex,
                               size_t               global_worksize,
                               const GeglRectangle *roi,
                               gint                 level);
      gpointer                 pad[4];
    };

    GType gegl_operation_point_composer_get_type (void) G_GNUC_CONST;

    G_END_DECLS

    #endif