The WebGLRenderingContext.getAttribLocation() method of the WebGL API returns the location of an attribute variable in a given WebGLProgram.
Syntax
GLint gl.getAttribLocation(program, name);
Parameters
- program
- A
WebGLProgramcontaining the attribute variable. - name
- A
DOMStringspecifying the name of the attribute variable whose location to get.
Return value
A GLint number indicating the location of the variable name if found. Returns -1 otherwise.
Examples
gl.getAttribLocation(program, "vColor");
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebGL 1.0 The definition of 'getAttribLocation' in that specification. |
Recommendation | Initial definition. |
| OpenGL ES 2.0 The definition of 'glGetAttribLocation' in that specification. |
Standard | Main 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 |