GLCOLORSUBTABLE(3G) UNIX Programmer's Manual GLCOLORSUBTABLE(3G)
glColorSubTable - respecify a portion of a color table
void glColorSubTable( GLenum target,
GLsizei start,
GLsizei count,
GLenum format,
GLenum type,
const GLvoid *data )
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 processed to replace the specified region of
the color table.
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 exist-
ing table from indices start to $"start"~+~"count"~-~1$,
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GLCOLORSUBTABLE(3G) UNIX Programmer's Manual GLCOLORSUBTABLE(3G)
inclusive. This region may not include any entries outside
the range of the color table as it was originally specified.
It is not an error to specify a subtexture with width of 0,
but such a specification has no effect.
glColorSubTable is present only if GL_ARB_imaging is
returned when glGetString is called with an argument of
GL_EXTENSIONS.
GL_INVALID_ENUM is generated if target is not one of the
allowable values.
GL_INVALID_VALUE is generated if
$"start"~+~"count"~>~width$.
GL_INVALID_ENUM is generated if format is not one of the
allowable values.
GL_INVALID_ENUM is generated if type is not one of the
allowable values.
GL_INVALID_OPERATION is generated if glColorSubTable is exe-
cuted between the execution of glBegin and the corresponding
execution of glEnd.
glGetColorTable, glGetColorTableParameter
glColorSubTable(3G), glColorTableParameter(3G),
glCopyColorTable(3G), glCopyColorSubTable(3G),
glGetColorTable(3G)
MirOS BSD #10-current Printed 20.2.2012 2
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