Baseline Widely available
Note: This feature is available in Web Workers.
The WebGLRenderingContext.stencilMask()
method of the WebGL API controls enabling and disabling of both the front and back writing of individual bits in the stencil planes.
The WebGLRenderingContext.stencilMaskSeparate()
method can set front and back stencil writemasks to different values.
mask
A GLuint
specifying a bit mask to enable or disable writing of individual bits in the stencil planes. By default, the mask is all 1.
None (undefined
).
To get the current stencil masks, query the STENCIL_WRITEMASK
, STENCIL_BACK_WRITEMASK
, or STENCIL_BITS
constants.
gl.getParameter(gl.STENCIL_WRITEMASK);
// 110101
gl.getParameter(gl.STENCIL_BACK_WRITEMASK);
// 110101
gl.getParameter(gl.STENCIL_BITS);
// 0
Specifications Browser compatibility See also
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