The WebGL2RenderingContext.getUniformBlockIndex()
method of the WebGL 2 API retrieves the index of a uniform block within a WebGLProgram
.
The WebGL2RenderingContext.getUniformBlockIndex()
method of the WebGL 2 API retrieves the index of a uniform block within a WebGLProgram
.
js
getUniformBlockIndex(program, uniformBlockName)
program
A WebGLProgram
containing the uniform block.
uniformName
A string specifying the name of the uniform block to whose index to retrieve.
A GLuint
indicating the uniform block index.
js
// Assuming a shader with the following declaration: // uniform UBOData { // mat4 foo; // } instanceName; // use the block name, not the instance name: const blockIndex = gl.getUniformBlockIndex(program, "UBOData");
Specification |
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WebGL 2.0 Specification # 3.7.16 |
Desktop | Mobile | |||||||||||
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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 |
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https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/getUniformBlockIndex