HP b2600 Reference Manual page 51

Errors
•
•
Associated gets
glGet with argument GL_ACCUM_CLEAR_VALUE
glGet with argument GL_DEPTH_CLEAR_VALUE
glGet with argument GL_INDEX_CLEAR_VALUE
glGet with argument GL_COLOR_CLEAR_VALUE
glGet with argument GL_STENCIL_CLEAR_VALUE
See Also
glClearAccum,
glClearColor,
glClearDepth,
glClearIndex,
glClearStencil,
glDrawBuffer,
glScissor
Chapter 3
GL_INVALID_VALUE is generated if any bit other than the four defined bits is set
in mask.
GL_INVALID_OPERATION is generated if glClear is executed between the
execution of glBegin and the corresponding execution of glEnd.
C
glClear
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