The WebGLRenderingContext.depthMask() method of the WebGL API sets whether writing into the depth buffer is enabled or disabled.

flag

A GLboolean specifying whether or not writing into the depth buffer is enabled. Default value: true, meaning that writing is enabled.

None (undefined).

gl.depthMask(false);

To get the current depth mask, query the DEPTH_WRITEMASK constant which returns a boolean value.

gl.getParameter(gl.DEPTH_WRITEMASK);
// false

• WebGLRenderingContext.colorMask()
• WebGLRenderingContext.stencilMask()