WebGL2RenderingContext: clearBuffer[fiuv]() 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.
* Some parts of this feature may have varying levels of support.
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.clearBuffer[fiuv]() methods of
the WebGL 2 API clear buffers from the
currently bound framebuffer.
Syntax
clearBufferfv(buffer, drawbuffer, values)
clearBufferfv(buffer, drawbuffer, values, srcOffset)
clearBufferiv(buffer, drawbuffer, values)
clearBufferiv(buffer, drawbuffer, values, srcOffset)
clearBufferuiv(buffer, drawbuffer, values)
clearBufferuiv(buffer, drawbuffer, values, srcOffset)
clearBufferfi(buffer, drawbuffer, depth, stencil)
Parameters
buffer-
A
GLenumspecifying the buffer to clear. Possible values are:gl.COLOR: Color buffer.gl.DEPTH: Depth buffer.gl.STENCIL: Stencil buffer.gl.DEPTH_STENCIL: clears depth and stencil buffers (used withclearBufferfi).
drawBuffer-
A
GLintspecifying the draw buffer to clear. values-
An
ArrayofGLint,GLuintorGLfloatvalues or anInt32Array,Uint32ArrayorFloat32Arrayspecifying the values to clear to. depth-
A
GLfloatspecifying the value to clear a depth render buffer to. stencil-
A
GLintspecifying the value to clear the stencil render buffer to.
Return value
None (undefined).
Examples
gl.clearBufferiv(gl.COLOR, 0, new Int32Array([r, g, b, a]));
gl.clearBufferuiv(gl.COLOR, 0, new Uint32Array([r, g, b, a]));
gl.clearBufferfv(gl.COLOR, 0, new Float32Array([r, g, b, a]));
gl.clearBufferfv(gl.COLOR, 0, [0.0, 0.0, 0.0, 0.0]);
gl.clearBufferfi(gl.DEPTH_STENCIL, 0, 1.0, 0);
Specifications
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.11 |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
clearBufferiv
|
|
|
|
|
|
|
|
|
|
|
|
|
values parameter accepts SharedArrayBuffer type
|
|
|
|
|
|
|
|
|
|
|
|
|
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support