The WebGLRenderingContext.blendColor() method of the WebGL API is used to set the source and destination blending factors.
WebGLRenderingContext.blendColor()
Syntax
blendColor(red, green, blue, alpha)
Parameters
-
red -
A
GLclampffor the red component in the range of 0 to 1. Default value is 0. -
green -
A
GLclampffor the green component in the range of 0 to 1. Default value is 0. - blue
-
A
GLclampffor the blue component in the range of 0 to 1. Default value is 0. - alpha
-
A
GLclampffor the alpha component (transparency) in the range of 0. to 1. Default value is 0.
Return value
None.
Examples
To set the blend color, use:
gl.blendColor(0, 0.5, 1, 1);
To get the blend color, query the BLEND_COLOR constant which returns a Float32Array.
gl.getParameter(gl.BLEND_COLOR); // Float32Array[0, 0.5, 1, 1]
Specifications
| Specification |
|---|
| WebGL Specification # 5.14.3 |
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 | |
blendColor |
9
|
12
|
4
|
11
|
12
|
5.1
|
4.4.3
|
25
|
4
|
12
|
8
|
1.5
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/blendColor
