---
title: "glBlendEquation(_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 3.0+, iPadOS 3.0+, Mac Catalyst 3.0+, tvOS 9.0+]
path: "opengles/glblendequation(_:)"
---

# glBlendEquation(_:)

## Declaration

```swift
func glBlendEquation(_ mode: GLenum)
```