The WebGLRenderingContext.blendColor()
method of the WebGL API is used to set the source and
destination blending factors.
Syntax
void gl.blendColor(red, green, blue, alpha);
Parameters
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 | Status | Comment |
---|---|---|
WebGL 1.0 The definition of 'blendColor' in that specification. |
Recommendation | Initial definition. |
OpenGL ES 2.0 The definition of 'glBlendColor' in that specification. |
Standard | Man page of the OpenGL API. |
Browser compatibility
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