vulkan-wsi-layer/util/drm/format_table.h

/*
 * Copyright (c) 2021 Arm Limited.
 *
 * SPDX-License-Identifier: MIT
 *
 * 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.
 */

#pragma once

#include <vulkan/vulkan.h>
#include <drm_fourcc.h>
#include "wsialloc.h"

/* Define DRM linear modifier for compatibility with older DRM header versions. */
#ifndef DRM_FORMAT_MOD_LINEAR
#define DRM_FORMAT_MOD_LINEAR 0
#endif

#define NELEMS(x) (sizeof(x) / sizeof(x[0]))

typedef struct fmt_spec
{
   uint32_t drm_format;
   uint32_t nr_planes;
   uint8_t bpp[WSIALLOC_MAX_PLANES];
   VkFormat vk_format;
} fmt_spec;

extern const fmt_spec fourcc_format_table[];
extern const fmt_spec srgb_fourcc_format_table[];

extern size_t const fourcc_format_table_len;
extern size_t const srgb_fourcc_format_table_len;