The WebGL2RenderingContext.getFragDataLocation()
method of the WebGL 2 API returns the binding of color numbers to user-defined varying out variables.
WebGL2RenderingContext.getFragDataLocation()
Syntax
getFragDataLocation(program, name)
Parameters
- program
-
A
WebGLProgram
to query. - name
-
A string specifying the name of the user-defined varying out variable.
Return value
A GLint
indicating the assigned color number binding, or -1
otherwise.
Examples
// program is a linked WebGLProgram gl.getFragDataLocation(program, 'fragColor');
Specifications
Specification |
---|
WebGL 2.0 Specification # 3.7.7 |
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 | |
getFragDataLocation |
56
|
79
|
51
|
No
|
43
|
15
|
58
|
58
|
51
|
43
|
15
|
7.0
|
See also
WebGLRenderingContext.createProgram()
WebGLRenderingContext.deleteProgram()
WebGLRenderingContext.isProgram()
WebGLRenderingContext.linkProgram()
WebGLRenderingContext.useProgram()
WebGLRenderingContext.validateProgram()
WebGLRenderingContext.getProgramParameter()
WebGLRenderingContext.getProgramInfoLog()
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https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/getFragDataLocation