[Remoting Android] New touch feedback texture

remoting/client/gl_renderer.cc

Index: remoting/client/gl_renderer.cc
diff --git a/remoting/client/gl_renderer.cc b/remoting/client/gl_renderer.cc
index 7c2ea9ff7965bc3b40881eb3235f7e9b362626e5..9dd88c895a06a663a1faa1275af1e39305810400 100644
--- a/remoting/client/gl_renderer.cc
+++ b/remoting/client/gl_renderer.cc
@@ -133,10 +133,10 @@ void GlRenderer::OnRender() {
   if (canvas_) {
     glClear(GL_COLOR_BUFFER_BIT);
     desktop_.Draw();
-    cursor_.Draw();
     if (cursor_feedback_.Draw()) {
       RequestRender();
     }
+    cursor_.Draw();

[joedow, 2016/08/24 18:53:28]

I think it would be good to add some comments (either a block or inline) about
the layers.  At the moment we only have desktop, feedback, and cursor, but
perhaps we will want to add another layer in the future or someone reading the
code might wonder why/whether this order matters.

[Yuwei, 2016/08/24 19:06:44]

Done.

   }
 
   delegate_->OnFrameRendered();