HP b2600 Reference Manual page 169

G
glGet
params returns four values: the red, green, blue, and alpha values of the current raster
position. Integer values, if requested, are linearly mapped from the internal
floating-point representation such that 1.0 returns the most positive representable
integer value, and - 1.0 returns the most negative representable integer value. The
initial value is (1, 1, 1, 1). See glRasterPos.
GL_CURRENT_RASTER_DISTANCE
params returns one value, the distance from the eye to the current raster position. The
initial value is 0. See glRasterPos.
GL_CURRENT_RASTER_INDEX
params returns one value, the color index of the current raster position. The initial value
is 1. See glRasterPos.
GL_CURRENT_RASTER_POSITION
params returns four values: the x, y, z, and w components of the current raster position.
x, y, and z are in window coordinates, and w is in clip coordinates. The initial value is (0,
0, 0, 1). See glRasterPos.
GL_CURRENT_RASTER_POSITION_VALID
params returns a single boolean value indicating whether the current raster position is
valid. The initial value is GL_TRUE. See glRasterPos.
GL_CURRENT_RASTER_TEXTURE_COORDS
params returns four values: the s, t, r, and q current raster texture coordinates. The
initial value is (0, 0, 0, 1). See glRasterPos and glTexCoord.
GL_CURRENT_TEXTURE_COORDS
params returns four values: the s, t, r, and q current texture coordinates. The initial
value is (0, 0, 0, 1). See glTexCoord.
GL_DEPTH_BIAS
params returns one value, the depth bias factor used during pixel transfers. The initial
value is 0. See glPixelTransfer.
GL_DEPTH_BITS
params returns one value, the number of bitplanes in the depth buffer.
GL_DEPTH_CLEAR_VALUE
params returns one value, the value that is used to clear the depth buffer. Integer
values, if requested, are linearly mapped from the internal floating-point representation
such that 1.0 returns the most positive representable integer value, and - 1.0 returns the
most negative representable integer value. The initial value is 1. See glClearDepth.
GL_DEPTH_FUNC
params returns one value, the symbolic constant that indicates the depth comparison
function. The initial value is GL_LESS. See glDepthFunc.
GL_DEPTH_RANGE
params returns two values: the near and far mapping limits for the depth buffer. Integer
values, if requested, are linearly mapped from the internal floating-point representation
such that 1.0 returns the most positive representable integer value, and - 1.0 returns the
most negative representable integer value. The initial value is (0, 1). See glDepthRange.
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Chapter 7