Gl.ClearIndex (gb.opengl)
Static Sub ClearIndex ( Value As Float )
Specify the clear value for the color index buffers.
Parameters
- c
-
Specifies the index used when the color index buffers are cleared.
The initial value is 0.
Description
Gl.ClearIndex specifies the index used by
Gl.Clear
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
,
where
is the number of bits in a color index stored in the frame buffer.
Errors
Gl.INVALID_OPERATION is generated if
Gl.ClearIndex
is executed between the execution of
Gl.Begin
and the corresponding execution of
Gl.End.
Associated Gets
Gl.Get with argument Gl.INDEX_CLEAR_VALUE
Gl.Get with argument Gl.INDEX_BITS
See also
See original documentation on OpenGL website