Baseline Widely available
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.readBuffer()
method of the WebGL 2 API selects a color buffer as the source for pixels for subsequent calls to copyTexImage2D
, copyTexSubImage2D
, copyTexSubImage3D
or readPixels
.
source
A GLenum
specifying a color buffer. Possible values:
gl.BACK
Reads from the back color buffer.
gl.NONE
Reads from no color buffer.
gl.COLOR_ATTACHMENT{0-15}
Reads from one of the 16 color attachment buffers.
None (undefined
).
gl.readBuffer(gl.COLOR_ATTACHMENT0);
Specifications Browser compatibility See also
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