WebGLRenderingContext: validateProgram() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
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.
Syntax
js
validateProgram(program)
Parameters
program-
A
WebGLProgramto validate.
Return value
None (undefined).
Examples
js
const 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)) {
const 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
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