EXT blend minmax

The EXT_blend_minmax extension is part of the WebGL API and extends blending capabilities by adding two new blend equations: the minimum or maximum color components of the source and destination colors.

WebGL extensions are available using the WebGLRenderingContext.getExtension() method. For more information, see also Using Extensions in the WebGL tutorial.

Constants

This extension adds two new constants, which can be used in WebGLRenderingContext.blendEquation() and WebGLRenderingContext.blendEquationSeparate():

ext.MIN_EXT

Produces the minimum color components of the source and destination colors.

ext.MAX_EXT

Produces the maximum color components of the source and destination colors.

Examples

var ext = gl.getExtension('EXT_blend_minmax');

gl.blendEquation(ext.MIN_EXT);
gl.blendEquation(ext.MAX_EXT);

gl.blendEquationSeparate(ext.MIN_EXT, ext.MAX_EXT);

Specifications

Specification	Status	Comment
EXT_blend_minmax The definition of 'EXT_blend_minmax' in that specification.	Recommendation	Initial definition.

Browser compatibility

See also

• WebGLRenderingContext.getExtension()
• WebGLRenderingContext.blendEquation()
• WebGLRenderingContext.blendEquationSeparate()