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/*
* Copyright (C) 2008 VMware, Inc.
* Copyright (C) 2014 Broadcom
* Copyright (C) 2018-2019 Alyssa Rosenzweig
* Copyright (C) 2019-2020 Collabora, Ltd.
*
* 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 (including the next
* paragraph) 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 __PAN_TEXTURE_H
#define __PAN_TEXTURE_H
#include <stdbool.h>
#include "util/format/u_format.h"
struct panfrost_slice {
unsigned offset;
unsigned stride;
unsigned size0;
/* If there is a header preceding each slice, how big is
* that header? Used for AFBC */
unsigned header_size;
/* If checksumming is enabled following the slice, what
* is its offset/stride? */
unsigned checksum_offset;
unsigned checksum_stride;
/* Has anything been written to this slice? */
bool initialized;
};
unsigned
panfrost_compute_checksum_size(
struct panfrost_slice *slice,
unsigned width,
unsigned height);
/* AFBC */
bool
panfrost_format_supports_afbc(enum pipe_format format);
unsigned
panfrost_afbc_header_size(unsigned width, unsigned height);
#endif
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