The WebGLRenderingContext.validateProgram()
method of the WebGL API validates a WebGLProgram
. It checks if it is successfully linked and if it can be used in the current WebGL state.
WebGLRenderingContext.validateProgram()
Syntax
validateProgram(program)
Parameters
- program
-
A
WebGLProgram
to validate.
Return value
None.
Examples
var program = gl.createProgram(); // Attach pre-existing shaders gl.attachShader(program, vertexShader); gl.attachShader(program, fragmentShader); gl.linkProgram(program); gl.validateProgram(program); if ( !gl.getProgramParameter( program, gl.LINK_STATUS) ) { var info = gl.getProgramInfoLog(program); throw 'Could not compile WebGL program. \n\n' + info; } gl.useProgram(program);
Specifications
Specification |
---|
WebGL Specification # 5.14.9 |
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 | |
validateProgram |
9
|
12
|
4
|
11
|
12
|
5.1
|
4.4.3
|
25
|
4
|
12
|
8
|
1.5
|
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/WebGLRenderingContext/validateProgram