Method GL.glClearStencil()
- Method glClearStencil
 voidglClearStencil(ints)- Description
 glClearStencil specifies the index used by glClear to clear the stencil buffer. s is masked with 2 sup m - 1, where m is the number of bits in the stencil buffer.
- Parameter 
s Specifies the index used when the stencil buffer is cleared. The initial value is 0.
- Throws
 GL_INVALID_OPERATION is generated if glClearStencil is executed between the execution of glBegin and the corresponding execution of glEnd.