Note: This feature is available in Web Workers.
The WebGLRenderingContext.framebufferRenderbuffer() method of the WebGL API attaches a WebGLRenderbuffer object to a WebGLFramebuffer object.
framebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer)targetA GLenum specifying the binding point (target) for the framebuffer. Possible values:
gl.FRAMEBUFFERCollection buffer data storage of color, alpha, depth and stencil buffers used to render an image.
When using a WebGL 2 context, the following values are available additionally:
gl.DRAW_FRAMEBUFFEREquivalent to gl.FRAMEBUFFER. Used as a destination for drawing, rendering, clearing, and writing operations.
gl.READ_FRAMEBUFFERUsed as a source for reading operations.
attachmentA GLenum specifying the attachment point for the render buffer. Possible values:
gl.COLOR_ATTACHMENT0: color buffer.gl.DEPTH_ATTACHMENT: depth buffer.gl.DEPTH_STENCIL_ATTACHMENT: depth and stencil buffer.gl.STENCIL_ATTACHMENT: stencil buffer.When using a WebGL 2 context, the following values are available additionally:
gl.COLOR_ATTACHMENT1 gl.COLOR_ATTACHMENT2 gl.COLOR_ATTACHMENT3 gl.COLOR_ATTACHMENT4 gl.COLOR_ATTACHMENT5 gl.COLOR_ATTACHMENT6 gl.COLOR_ATTACHMENT7 gl.COLOR_ATTACHMENT8 gl.COLOR_ATTACHMENT9 gl.COLOR_ATTACHMENT10 gl.COLOR_ATTACHMENT11 gl.COLOR_ATTACHMENT12 gl.COLOR_ATTACHMENT13 gl.COLOR_ATTACHMENT14 gl.COLOR_ATTACHMENT15When using the WEBGL_draw_buffers extension:
ext.COLOR_ATTACHMENT0_WEBGL (same as gl.COLOR_ATTACHMENT0)ext.COLOR_ATTACHMENT1_WEBGL ext.COLOR_ATTACHMENT2_WEBGL ext.COLOR_ATTACHMENT3_WEBGL ext.COLOR_ATTACHMENT4_WEBGL ext.COLOR_ATTACHMENT5_WEBGL ext.COLOR_ATTACHMENT6_WEBGL ext.COLOR_ATTACHMENT7_WEBGL ext.COLOR_ATTACHMENT8_WEBGL ext.COLOR_ATTACHMENT9_WEBGL ext.COLOR_ATTACHMENT10_WEBGL ext.COLOR_ATTACHMENT11_WEBGL ext.COLOR_ATTACHMENT12_WEBGL ext.COLOR_ATTACHMENT13_WEBGL ext.COLOR_ATTACHMENT14_WEBGL ext.COLOR_ATTACHMENT15_WEBGLrenderbuffertargetA GLenum specifying the binding point (target) for the render buffer. Possible values:
gl.RENDERBUFFERBuffer data storage for single images in a renderable internal format.
renderbufferA WebGLRenderbuffer object to attach.
None (undefined).
gl.INVALID_ENUM error is thrown if target is not gl.FRAMEBUFFER, gl.DRAW_FRAMEBUFFER, or gl.READ_FRAMEBUFFER.gl.INVALID_ENUM error is thrown if renderbuffertarget is not gl.RENDERBUFFER.gl.INVALID_ENUM error is thrown if attachment is not one of the allowed enums.gl.framebufferRenderbuffer(
gl.FRAMEBUFFER,
gl.COLOR_ATTACHMENT0,
gl.RENDERBUFFER,
renderbuffer,
);