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
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 (undefined).
Examples
gl.invalidateFramebuffer(gl.READ_FRAMEBUFFER, [
gl.COLOR_ATTACHMENT0,
gl.COLOR_ATTACHMENT1,
]);
Specifications
| Specification |
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| WebGL 2.0 Specification # 3.7.4 |
Browser compatibility
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invalidateFramebuffer
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