From 626a734940e598f3f8d00b5a9514d704de38ff5a Mon Sep 17 00:00:00 2001
From: NathanSweet <nathan.sweet@gmail.com>
Date: Mon, 28 Nov 2016 01:52:54 +0100
Subject: [PATCH] Allow blend func to be bypassed.

---
 .../com/esotericsoftware/spine/utils/TwoColorPolygonBatch.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/TwoColorPolygonBatch.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/TwoColorPolygonBatch.java
index 95da0cde9..2afb75ffb 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/TwoColorPolygonBatch.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/TwoColorPolygonBatch.java
@@ -130,7 +130,7 @@ public class TwoColorPolygonBatch {
 		mesh.setVertices(vertices, 0, vertexIndex);
 		mesh.setIndices(triangles, 0, triangleIndex);
 		Gdx.gl.glEnable(GL20.GL_BLEND);
-		Gdx.gl.glBlendFunc(blendSrcFunc, blendDstFunc);
+		if (blendSrcFunc != -1) Gdx.gl.glBlendFunc(blendSrcFunc, blendDstFunc);
 		mesh.render(shader, GL20.GL_TRIANGLES, 0, triangleIndex);
 
 		vertexIndex = 0;