glStencilMask(3G) OpenGL Reference glStencilMask(3G)
glStencilMask - control the writing of individual bits in the stencil
void glStencilMask( GLuint mask )
mask Specifies a bit mask to enable and disable writing of individual
bits in the stencil planes. Initially, the mask is all 1's.
glStencilMask controls the writing of individual bits in the stencil
planes. The least significant n bits of mask, where n is the number of
bits in the stencil buffer, specify a mask. Where a 1 appears in the
mask, it's possible to write to the corresponding bit in the stencil
buffer. Where a 0 appears, the corresponding bit is write-protected.
Initially, all bits are enabled for writing.
GL_INVALID_OPERATION is generated if glStencilMask is executed between
the execution of glBegin and the corresponding execution of glEnd.
glGet with argument GL_STENCIL_WRITEMASK
glGet with argument GL_STENCIL_BITS
glColorMask, glDepthMask, glIndexMask, glStencilFunc, glStencilOp
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