WebGL2RenderingContext: drawBuffers() method
The WebGL2RenderingContext.drawBuffers()
method of the WebGL 2 API defines draw buffers to which
fragment colors are written into. The draw buffer settings are part of the state of the
currently bound framebuffer or the drawingbuffer if no framebuffer is bound.
Syntax
js
drawBuffers(buffers)
Parameters
buffers
-
An
Array
ofGLenum
specifying the buffers into which fragment colors will be written. Possible values are:gl.NONE
-
Fragment shader output is not written into any color buffer.
gl.BACK
-
Fragment shader output is written into the back color buffer.
gl.COLOR_ATTACHMENT{0-15}
-
Fragment shader output is written in the nth color attachment of the current framebuffer.
Return value
None (undefined
).
Exceptions
-
If
buffers
contains not one of the accepted values, agl.INVALID_ENUM
error is thrown.
Examples
js
gl.drawBuffers([gl.NONE, gl.COLOR_ATTACHMENT1]);
Specifications
Specification |
---|
WebGL 2.0 Specification # 3.7.11 |
Browser compatibility
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