hal/kernel/inc/gc_hal_metadata.h

/****************************************************************************
*
*    The MIT License (MIT)
*
*    Copyright (c) 2014 - 2020 Vivante Corporation
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*
*    The GPL License (GPL)
*
*    Copyright (C) 2014 - 2020 Vivante Corporation
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*    This program 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 2
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*    Note: This software is released under dual MIT and GPL licenses. A
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#ifndef __gc_hal_kernel_metadata_h_
#define __gc_hal_kernel_metadata_h_

#ifdef __cplusplus
extern "C" {
#endif

/* Macro to combine four characters into a Character Code. */
#define __FOURCC(a, b, c, d) \
    ((uint32_t)(a) | ((uint32_t)(b) << 8) | ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))

#define VIV_VIDMEM_METADATA_MAGIC __FOURCC('v', 'i', 'v', 'm')

/* Metadata for cross-device fd share with additional (ts) info. */
typedef struct _VIV_VIDMEM_METADATA
{
    uint32_t magic;

    int32_t  ts_fd;
    void *   ts_dma_buf;
#ifdef gcdANDROID
    dma_addr_t ts_address;
#endif

    uint32_t fc_enabled;
    uint32_t fc_value;
    uint32_t fc_value_upper;

    uint32_t compressed;
    uint32_t compress_format;
} _VIV_VIDMEM_METADATA;

#ifdef __cplusplus
}
#endif

#endif /* __gc_hal_kernel_metadata_h_ */