The WebGLRenderingContext.getVertexAttribOffset() method of the WebGL API returns the address of a specified vertex attribute.
GLintptr gl.getVertexAttribOffset(index, pname);
GLuint specifying the index of the vertex attribute.GLenum which must be gl.VERTEX_ATTRIB_ARRAY_POINTER.A GLintptr indicating the address of the vertex attribute.
gl.getVertexAttribOffset(i, gl.VERTEX_ATTRIB_ARRAY_POINTER);
| 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. |
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | Servo |
|---|---|---|---|---|---|---|---|
| Basic Support | 9 | 12 | 4.0 | 11 | 12 | 5.1 | No support |
| Feature | Android | Chrome for Android | Edge Mobile | Firefox for Android | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic Support | (Yes) | 25 | (Yes) | 4.0 | 11 | 12 | 8.1 |
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https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getVertexAttribOffset