From f7c4a6e1ad542746bb86c3ebb4280a3284c939df Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Fri, 25 Nov 2016 18:11:38 +0100
Subject: [PATCH] more idiomatic error reporting

---
 pixelgl/thread.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pixelgl/thread.go b/pixelgl/thread.go
index 8b5a664..3f5d1dc 100644
--- a/pixelgl/thread.go
+++ b/pixelgl/thread.go
@@ -160,8 +160,8 @@ func getLastGLErr() error {
 	for e := gl.GetError(); e != gl.NO_ERROR; e = gl.GetError() {
 		err = e
 	}
-	if err == gl.NO_ERROR {
-		return nil
+	if err != gl.NO_ERROR {
+		return GLError(err)
 	}
-	return GLError(err)
+	return nil
 }