tiling.h

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/*
    This file is part of darktable,
    Copyright (C) 2009-2011 johannes hanika.
    Copyright (C) 2011-2013 Ulrich Pegelow.
    Copyright (C) 2012 Richard Wonka.
    Copyright (C) 2012, 2014, 2016 Tobias Ellinghaus.
    Copyright (C) 2016 Roman Lebedev.
    Copyright (C) 2020 Pascal Obry.
    Copyright (C) 2020 Ralf Brown.
    Copyright (C) 2022 Martin Bařinka.
    Copyright (C) 2025 Alynx Zhou.
    Copyright (C) 2026 Aurélien PIERRE.
    
    darktable is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    
    darktable 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 General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with darktable.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include "develop/develop.h"
#include "develop/imageop.h"
#include "develop/pixelpipe.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct dt_develop_tiling_t
{
  float factor;
  float factor_cl;
  float maxbuf;
  float maxbuf_cl;
  unsigned overhead;
  unsigned overlap;
  unsigned xalign;
  unsigned yalign;
} dt_develop_tiling_t;
 
int default_process_tiling_cl(struct dt_iop_module_t *self, const struct dt_dev_pixelpipe_t *pipe,
                              const struct dt_dev_pixelpipe_iop_t *piece, const void *const ivoid,
                              void *const ovoid, const int bpp);
 
int process_tiling_cl(struct dt_iop_module_t *self, const struct dt_dev_pixelpipe_t *pipe,
                      const struct dt_dev_pixelpipe_iop_t *piece, const void *const ivoid,
                      void *const ovoid, const int bpp);
 
int default_process_tiling(struct dt_iop_module_t *self, const struct dt_dev_pixelpipe_t *pipe,
                           const struct dt_dev_pixelpipe_iop_t *piece, const void *const ivoid,
                           void *const ovid, const int bpp);
 
int process_tiling(struct dt_iop_module_t *self, const struct dt_dev_pixelpipe_t *pipe,
                   const struct dt_dev_pixelpipe_iop_t *piece, const void *const ivoid, void *const ovoid,
                   const int bpp);
 
void default_tiling_callback(struct dt_iop_module_t *self, const struct dt_dev_pixelpipe_t *pipe,
                             const struct dt_dev_pixelpipe_iop_t *piece, struct dt_develop_tiling_t *tiling);
 
void tiling_callback_blendop(struct dt_iop_module_t *self, const struct dt_dev_pixelpipe_t *pipe,
                             const struct dt_dev_pixelpipe_iop_t *piece, struct dt_develop_tiling_t *tiling);
 
void tiling_callback(struct dt_iop_module_t *self, const struct dt_dev_pixelpipe_t *pipe,
                     const struct dt_dev_pixelpipe_iop_t *piece, struct dt_develop_tiling_t *tiling);
 
int dt_tiling_piece_fits_host_memory(const size_t width, const size_t height, const unsigned bpp,
                                     const float factor, const size_t overhead);
 
#ifdef __cplusplus
}
#endif
 
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