Various OpenGL optimizations

Change-Id: Ib0742c96f10f5f50e7e5148b742c31b6c232d127
diff --git a/libs/hwui/LayerCache.cpp b/libs/hwui/LayerCache.cpp
index 5298125..324765b 100644
--- a/libs/hwui/LayerCache.cpp
+++ b/libs/hwui/LayerCache.cpp
@@ -108,8 +108,8 @@
 
         layer->generateTexture();
         layer->bindTexture();
-        layer->setFilter(GL_NEAREST, GL_NEAREST);
-        layer->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, false);
+        layer->setFilter(GL_NEAREST);
+        layer->setWrap(GL_CLAMP_TO_EDGE, false);
         glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
 
 #if DEBUG_LAYERS