glColorSubTable man page on YellowDog

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GLCOLORSUBTABLE(3G)					   GLCOLORSUBTABLE(3G)

NAME
       glColorSubTable - respecify a portion of a color table

C SPECIFICATION
       void glColorSubTable( GLenum target,
			     GLsizei start,
			     GLsizei count,
			     GLenum format,
			     GLenum type,
			     const GLvoid *data )

PARAMETERS
       target  Must be one of GL_COLOR_TABLE, GL_POST_CONVOLUTION_COLOR_TABLE,
	       or GL_POST_COLOR_MATRIX_COLOR_TABLE.

       start   The starting index of the portion of  the  color	 table	to  be
	       replaced.

       count   The number of table entries to replace.

       format  The   of	 the  pixel  data  in  data.  The allowable values are
	       GL_RED,	  GL_GREEN,    GL_BLUE,	   GL_ALPHA,	 GL_LUMINANCE,
	       GL_LUMINANCE_ALPHA, GL_RGB, GL_BGR, GL_RGBA, and GL_BGRA.

       type    The  type  of the pixel data in data.  The allowable values are
	       GL_UNSIGNED_BYTE,   GL_BYTE,    GL_UNSIGNED_SHORT,    GL_SHORT,
	       GL_UNSIGNED_INT,	  GL_INT,   GL_FLOAT,  GL_UNSIGNED_BYTE_3_3_2,
	       GL_UNSIGNED_BYTE_2_3_3_REV,	      GL_UNSIGNED_SHORT_5_6_5,
	       GL_UNSIGNED_SHORT_5_6_5_REV,	    GL_UNSIGNED_SHORT_4_4_4_4,
	       GL_UNSIGNED_SHORT_4_4_4_4_REV,	    GL_UNSIGNED_SHORT_5_5_5_1,
	       GL_UNSIGNED_SHORT_1_5_5_5_REV,	      GL_UNSIGNED_INT_8_8_8_8,
	       GL_UNSIGNED_INT_8_8_8_8_REV,  GL_UNSIGNED_INT_10_10_10_2,   and
	       GL_UNSIGNED_INT_2_10_10_10_REV.

       data    Pointer	to  a one-dimensional array of pixel data that is pro‐
	       cessed to replace the specified region of the color table.

DESCRIPTION
       glColorSubTable is used to respecify a contiguous portion  of  a	 color
       table  previously defined using glColorTable.  The pixels referenced by
       data replace the portion of the existing table from  indices  start  to
       $"start"~+~"count"~-~1$,	 inclusive.   This  region may not include any
       entries outside the range of the color table as it was originally spec‐
       ified.  It is not an error to specify a subtexture with width of 0, but
       such a specification has no effect.

NOTES
       glColorSubTable is present only	if  GL_ARB_imaging  is	returned  when
       glGetString is called with an argument of GL_EXTENSIONS.

ERRORS
       GL_INVALID_ENUM is generated if target is not one of the allowable val‐
       ues.

       GL_INVALID_VALUE is generated if $"start"~+~"count"~>~width$.

       GL_INVALID_ENUM is generated if format is not one of the allowable val‐
       ues.

       GL_INVALID_ENUM	is  generated if type is not one of the allowable val‐
       ues.

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

ASSOCIATED GETS
       glGetColorTable, glGetColorTableParameter

SEE ALSO
       glColorSubTable(3G),  glColorTableParameter(3G),	 glCopyColorTable(3G),
       glCopyColorSubTable(3G), glGetColorTable(3G)

							   GLCOLORSUBTABLE(3G)
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