web api instance method
WebGLRenderingContext: blendColor() method
Available in workers
The WebGLRenderingContext.blendColor() method of the WebGL API is used to set the source and
destination blending factors.
Syntax
blendColor(red, green, blue, alpha)
Parameters
red- : A
GLclampffor the red component in the range of 0 to 1. Default value is 0.
- : A
green- : A
GLclampffor the green component in the range of 0 to 1. Default value is 0.
- : A
blue- : A
GLclampffor the blue component in the range of 0 to 1. Default value is 0.
- : A
alpha- : A
GLclampffor the alpha component (transparency) in the range of 0. to 1. Default value is 0.
- : A
Return value
None (undefined).
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
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.