The WebGLRenderingContext.getActiveUniform()
method of the WebGL API returns a WebGLActiveInfo
object containing size, type, and name of a uniform attribute at a given position in a WebGLProgram
.
Syntax
WebGLActiveInfo = WebGLRenderingContext.getActiveUniform(program, location);
Parameters
program
- A
WebGLProgram
specifying the WebGL shader program from which to obtain the uniform variable's information. location
- A
GLuint
specifying the index of the uniform attribute to get. This value is returned bygetUniformLocation()
.
Return value
A WebGLActiveInfo
object describing the uniform.
Examples
gl.getActiveUniform(program, i);
Specifications
Specification | Status | Comment |
---|---|---|
WebGL 1.0 The definition of 'getActiveUniform' in that specification. |
Recommendation | Initial definition. |
OpenGL ES 2.0 The definition of 'glGetActiveUniform' in that specification. |
Standard | Man page of the OpenGL API. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 9 | 12 | 4 | 11 | 12 | 5.1 |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
---|---|---|---|---|---|---|---|
Basic support | Yes | 25 | Yes | Yes | 11 | 12 | 8.1 |