src/util/texcompress_astc_luts_wrap.h

/*
 * Copyright © 2022 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef TEXCOMPRESS_ASTC_LUTS_WRAP_H
#define TEXCOMPRESS_ASTC_LUTS_WRAP_H

#include <stdint.h>
#include <stddef.h>
#include "format/u_formats.h"

/* C wrapper for Granite::ASTCLutHolder. */

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
   void *data;
   size_t size_B;
   enum pipe_format format;
} astc_decoder_lut;

typedef struct
{
   astc_decoder_lut color_endpoint;
   astc_decoder_lut color_endpoint_unquant;
   astc_decoder_lut weights;
   astc_decoder_lut weights_unquant;
   astc_decoder_lut trits_quints;
} astc_decoder_lut_holder;

void _mesa_init_astc_decoder_luts(astc_decoder_lut_holder *holder);
void *_mesa_get_astc_decoder_partition_table(uint32_t block_width,
                                             uint32_t block_height,
                                             unsigned *lut_width,
                                             unsigned *lut_height);

#ifdef __cplusplus
}
#endif

#endif