WebGL2RenderingContext.invalidateFramebuffer()
  The WebGL2RenderingContext.invalidateFramebuffer() method
  of the WebGL 2 API invalidates the contents
  of attachments in a framebuffer.
Syntax
void gl.invalidateFramebuffer(target, attachments);
Parameters
- target
- 
    A GLenumspecifying the binding point (target). Possible values:- 
        gl.FRAMEBUFFER: Collection buffer data storage of color, alpha, depth and stencil buffers used to render an image.
- gl.DRAW_FRAMEBUFFER: Equivalent to- gl.FRAMEBUFFER.
- gl.READ_FRAMEBUFFER: Used as a source for reading operations.
 
- 
        
- attachments
- 
    An ArrayofGLenumspecifying the attachment points to invalidate. Possible values:- 
        gl.COLOR_ATTACHMENT{0-15}: Invalidates one of the framebuffer's color buffers.
- gl.DEPTH_ATTACHMENT: Invalidates the framebuffer's depth buffer.
- 
        gl.STENCIL_ATTACHMENT: Invalidates the framebuffer's stencil buffer.
- 
        gl.DEPTH_STENCIL_ATTACHMENT: Invalidates both the framebuffer's depth and stencil buffer.
 
- 
        
Return value
None.
Examples
gl.invalidateFramebuffer(gl.READ_FRAMEBUFFER,
                         [gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1]);
Specifications
| Specification | 
|---|
| WebGL 2.0 Specification # 3.7.4 | 
Browser compatibility
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