WebGL2RenderingContext: invalidateFramebuffer() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.

Note: This feature is available in Web Workers.

The WebGL2RenderingContext.invalidateFramebuffer() method of the WebGL 2 API invalidates the contents of attachments in a framebuffer.

Syntax

invalidateFramebuffer(target, attachments)

Parameters

target

A GLenum specifying 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 Array of GLenum specifying 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 (undefined).

Examples

js
gl.invalidateFramebuffer(gl.READ_FRAMEBUFFER, [
  gl.COLOR_ATTACHMENT0,
  gl.COLOR_ATTACHMENT1,
]);

Specifications

Specification

WebGL 2.0 Specification
# 4.7.4

Browser compatibility

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This page was last modified on Jun 23, 2025 by MDN contributors.

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