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glClearIndex (3)
  • >> glClearIndex (3) ( Разные man: Библиотечные вызовы )
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    NAME

    glClearIndex
    
    - specify the clear value for the color index buffers
    

     

    C SPECIFICATION

    void glClearIndex( GLfloat c )
    
    
    

    delim $$  

    PARAMETERS

    c
    Specifies the index used when the color index buffers are cleared. The initial value is 0.
     

    DESCRIPTION

    glClearIndex specifies the index used by glClear to clear the color index buffers. c is not clamped. Rather, c is converted to a fixed-point value with unspecified precision to the right of the binary point. The integer part of this value is then masked with $2 sup m^-^1$, where $m$ is the number of bits in a color index stored in the frame buffer.  

    ERRORS

    GL_INVALID_OPERATION is generated if glClearIndex is executed between the execution of glBegin and the corresponding execution of glEnd.  

    ASSOCIATED GETS

    glGet with argument GL_INDEX_CLEAR_VALUE
    glGet with argument GL_INDEX_BITS  

    SEE ALSO

    glClear(3G)


     

    Index

    NAME
    C SPECIFICATION
    PARAMETERS
    DESCRIPTION
    ERRORS
    ASSOCIATED GETS
    SEE ALSO


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