The WebGLRenderingContext.getVertexAttribOffset() method of the WebGL API returns the address of a specified vertex attribute.
Syntax
GLsizeiptr gl.getVertexAttribOffset(index, pname);
Parameters
- index
- A
GLuintspecifying the index of the vertex attribute. - pname
- A
GLenumwhich must begl.VERTEX_ATTRIB_ARRAY_POINTER.
Return value
A GLsizeiptr indicating the address of the vertex attribute.
Examples
gl.getVertexAttribOffset(i, gl.VERTEX_ATTRIB_ARRAY_POINTER);
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebGL 1.0 The definition of 'getVertexAttribOffset' in that specification. |
Recommendation | Initial definition. |
| OpenGL ES 2.0 The definition of 'glGetVertexAttribPointerv' in that specification. |
Standard | Man page of the OpenGL API. |
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 9 | 12 | 4.0 (2.0) | 11 | 12 | 5.1 |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 25 | 4.0 (2.0) | 1.0 | ? | 12 | 8.0 |