WebGLRenderingContext.validateProgram()
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
void gl.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
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