github.com/rajveermalviya/gamen@v0.1.2-0.20220930195403-9be15877c1aa/internal/xcb/include/X11/extensions/dbe.h (about)

     1  /******************************************************************************
     2   *
     3   * Copyright (c) 1994, 1995  Hewlett-Packard Company
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     5   * Permission is hereby granted, free of charge, to any person obtaining
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    13   * The above copyright notice and this permission notice shall be included
    14   * in all copies or substantial portions of the Software.
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    16   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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    28   *
    29   *     Header file for Xlib-related DBE
    30   *
    31   *****************************************************************************/
    32  
    33  #ifndef DBE_H
    34  #define DBE_H
    35  
    36  /* Values for swap_action field of XdbeSwapInfo structure */
    37  #define XdbeUndefined    0
    38  #define XdbeBackground   1
    39  #define XdbeUntouched    2
    40  #define XdbeCopied       3
    41  
    42  /* Errors */
    43  #define XdbeBadBuffer    0
    44  
    45  #define DBE_PROTOCOL_NAME "DOUBLE-BUFFER"
    46  
    47  /* Current version numbers */
    48  #define DBE_MAJOR_VERSION       1
    49  #define DBE_MINOR_VERSION       0
    50  
    51  /* Used when adding extension; also used in Xdbe macros */
    52  #define DbeNumberEvents			0
    53  #define DbeBadBuffer			0
    54  #define DbeNumberErrors			(DbeBadBuffer + 1)
    55  
    56  #endif /* DBE_H */
    57