This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.getUniformIndices() method of the WebGL 2 API retrieves the indices of a number of uniforms within a WebGLProgram.
getUniformIndices(program, uniformNames)
programA WebGLProgram containing uniforms whose indices to query.
uniformNamesAn Array of string specifying the names of the uniforms to query.
An Array of GLuint containing the uniform indices.
const uniformIndices = gl.getUniformIndices(program, [ "UBORed", "UBOGreen", "UBOBlue", ]);
| Specification |
|---|
| WebGL 2.0 Specification> # 3.7.16> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
getUniformIndices |
56 | 79 | 51 | 43 | 15 | 58 | 51 | 43 | 15 | 7.0 | 58 | 15 |
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https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/getUniformIndices