1 files changed, 6 insertions, 3 deletions
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index e3c07604aa..eb0650d998 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -231,9 +231,12 @@ public:
 
 	static void resetTextureStates();
 	static void dumpStates();
-	static void checkStates(const std::string& msg = "");
-	static void checkTextureChannels(const std::string& msg = "");
-	
+
+    // make sure GL blend function, GL states, and GL color mask match
+    // what we expect 
+    //  writeAlpha - whether or not writing to alpha channel is expected
+	static void checkStates(GLboolean writeAlpha = GL_TRUE);
+
 protected:
 	static boost::unordered_map<LLGLenum, LLGLboolean> sStateMap;