Baseline Widely available
Note: This feature is available in Web Workers.
The WebGLRenderingContext.getProgramParameter() method of the WebGL API returns information about the given program.
getProgramParameter(program, pname)
program
A WebGLProgram to get parameter information from.
pname
A GLenum specifying the information to query. Possible values:
gl.DELETE_STATUS
Returns a GLboolean indicating whether or not the program is flagged for deletion.
gl.LINK_STATUS
Returns a GLboolean indicating whether or not the last link operation was successful.
gl.VALIDATE_STATUS
Returns a GLboolean indicating whether or not the last validation operation was successful.
gl.ATTACHED_SHADERS
Returns a GLint indicating the number of attached shaders to a program.
gl.ACTIVE_ATTRIBUTES
Returns a GLint indicating the number of active attribute variables to a program.
gl.ACTIVE_UNIFORMS
Returns a GLint indicating the number of active uniform variables to a program.
When using a WebGL 2 context, the following values are available additionally:
gl.TRANSFORM_FEEDBACK_BUFFER_MODE
Returns a GLenum indicating the buffer mode when transform feedback is active. May be gl.SEPARATE_ATTRIBS or gl.INTERLEAVED_ATTRIBS.
gl.TRANSFORM_FEEDBACK_VARYINGS
Returns a GLint indicating the number of varying variables to capture in transform feedback mode.
gl.ACTIVE_UNIFORM_BLOCKS
Returns a GLint indicating the number of uniform blocks containing active uniforms.
Returns the requested program information (as specified with pname).
gl.getProgramParameter(program, gl.DELETE_STATUS);
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