From 51f94b29b00c59d4e681096c92e7d24102b2b08f Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Thu, 1 Dec 2016 16:12:51 +0100
Subject: [PATCH] add NumStandardAttrPurposes

---
 pixelgl/attr.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pixelgl/attr.go b/pixelgl/attr.go
index 16128bc..4f649df 100644
--- a/pixelgl/attr.go
+++ b/pixelgl/attr.go
@@ -20,6 +20,8 @@ const (
 	Transform
 	// Camera is a camera view matrix
 	Camera
+	// NumStandardAttrPurposes is the number of standard attribute purposes
+	NumStandardAttrPurposes
 )
 
 // AttrType represents the type of an OpenGL attribute.
-- 
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