The WebGLRenderingContext.getProgramParameter()
method of the WebGL API returns information about the given program.
The WebGLRenderingContext.getProgramParameter()
method of the WebGL API returns information about the given program.
js
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
).
js
gl.getProgramParameter(program, gl.DELETE_STATUS);
Specification |
---|
WebGL Specification # 5.14.9 |
WebGL 2.0 Specification # 3.7.7 |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
getProgramParameter |
9 | 12 | 4 | 11 | 12 | 5.1 | 4.4.3 | 25 | 4 | 12 | 8 | 1.5 |
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https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getProgramParameter