WebGLRenderingContext.getActiveAttrib()
The WebGLRenderingContext.getActiveAttrib() method of the
WebGL API returns a
WebGLActiveInfo object containing size, type, and name of a vertex
attribute. It is generally used when querying unknown attributes either for debugging or
generic library creation.
Syntax
WebGLActiveInfo gl.getActiveAttrib(program,index);
Parameters
- program
-
A
WebGLProgramcontaining the vertex attribute. - index
-
A
GLuintspecifying the index of the vertex attribute to get. This value is an index 0 to N - 1 as returned bygl.getProgramParameter(program, gl.ACTIVE_ATTRIBUTES).
Return value
A WebGLActiveInfo object.
Examples
const numAttribs = gl.getProgramParameter(program, gl.ACTIVE_ATTRIBUTES);
for (let i = 0; i < numAttribs; ++i) {
const info = gl.getActiveAttrib(program, i);
console.log('name:', info.name, 'type:', info.type, 'size:', info.size);
}
Specifications
| Specification |
|---|
| WebGL Specification # 5.14.10 |
Browser compatibility
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