Fix Glop vertex alpha blending

Need to force blending if vertices have alpha attribute

Change-Id: I821792db6b613b4d0243cf9c7a045cba014acdc1
diff --git a/libs/hwui/renderstate/MeshState.cpp b/libs/hwui/renderstate/MeshState.cpp
index 5efac0e..585fb86 100644
--- a/libs/hwui/renderstate/MeshState.cpp
+++ b/libs/hwui/renderstate/MeshState.cpp
@@ -67,7 +67,11 @@
 }
 
 void MeshState::dump() {
-    ALOGD("MeshState vertices: unitQuad %d, current %d", mUnitQuadBuffer, mCurrentBuffer);
+    ALOGD("MeshState VBOs: unitQuad %d, current %d", mUnitQuadBuffer, mCurrentBuffer);
+    ALOGD("MeshState vertices: vertex data %p, stride %d",
+            mCurrentPositionPointer, mCurrentPositionStride);
+    ALOGD("MeshState texCoord: data %p, stride %d",
+            mCurrentTexCoordsPointer, mCurrentTexCoordsStride);
 }
 
 ///////////////////////////////////////////////////////////////////////////////