The WebGL2RenderingContext.getUniformBlockIndex() method of the WebGL 2 API retrieves the index of a uniform block within a WebGLProgram.
WebGL2RenderingContext.getUniformBlockIndex()
Syntax
getUniformBlockIndex(program, uniformBlockName)
Parameters
-
program -
A
WebGLProgramcontaining the uniform block. -
uniformName -
A string specifying the name of the uniform block to whose index to retrieve.
Return value
A GLuint indicating the uniform block index.
Examples
// Assuming a shader with the following declaration: // uniform UBOData { // mat4 foo; // } instanceName; // use the block name, not the instance name: var blockIndex = gl.getUniformBlockIndex(program, 'UBOData');
Specifications
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.16 |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
getUniformBlockIndex |
56
|
79
|
51
|
No
|
43
|
15
|
58
|
58
|
51
|
43
|
15
|
7.0
|
See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/getUniformBlockIndex
