HP b2600 Reference Manual page 170

G
glGet
GL_DEPTH_SCALE
params returns one value, the depth scale factor used during pixel transfers. The initial
value is 1. See glPixelTransfer.
GL_DEPTH_TEST
params returns a single boolean value indicating whether depth testing of fragments is
enabled. The initial value is GL_FALSE. See glDepthFunc and glDepthRange.
GL_DEPTH_WRITEMASK
params returns a single boolean value indicating if the depth buffer is enabled for
writing. The initial value is GL_TRUE. See glDepthMask.
GL_DITHER
params returns a single boolean value indicating whether dithering of fragment colors
and indices is enabled. The initial value is GL_TRUE.
GL_DOUBLEBUFFER
params returns a single boolean value indicating whether double buffering is supported.
GL_DRAW_BUFFER
params returns one value, a symbolic constant indicating which buffers are being drawn
to. See glDrawBuffer. The initial value is GL_BACK if there are back buffers, otherwise
it is GL_FRONT.
GL_EDGE_FLAG
params returns a single boolean value indicating whether the current edge flag is
GL_TRUE or GL_FALSE. The initial value is GL_TRUE. See glEdgeFlag.
GL_EDGE_FLAG_ARRAY
params returns a single boolean value indicating whether the edge flag array is enabled.
The initial value is GL_FALSE. See glEdgeFlagPointer.
GL_EDGE_FLAG_ARRAY_STRIDE
params returns one value, the byte offset between consecutive edge flags in the edge flag
array. The initial value is 0. See glEdgeFlagPointer.
GL_EXT_DEPTH_TEXTURE
params returns a single boolean value indicating whether texture-depth is enabled. The
initial value is GL_FALSE. See glTexImage3DEXT.
GL_EXT_SHADOW
params returns a single boolean value indicating whether shadowing is enabled. The
initial value is GL_FALSE. See glTexImage3DEXT.
GL_EXT_TEXTURE_BORDER_CLAMP
params returns a single boolean value indicating whether border clamping is enabled.
The initial value is GL_FALSE. See glTexImage3DEXT.
GL_EXT_TEXTURE3D
params returns a single boolean value indicating whether 3D texturing is enabled. The
initial value is GL_FALSE. See glTexImage3DEXT.
GL_EXT_TEXTURE_EDGE_CLAMP
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Chapter 7