[cc] Allow resources and ui resources to specify wrap mode

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index bf310f3acacc42792a996d7efb1ee96be0876351..f6fd11ac570f0bcba2db382de7a6f5b503218878 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -2586,6 +2586,19 @@ void LayerTreeHostImpl::CreateUIResource(
   DCHECK_GT(uid, 0);
   DCHECK_EQ(bitmap->GetFormat(), UIResourceBitmap::RGBA8);
 
+  GLint wrap_mode = 0;
+  switch (bitmap->GetWrapMode()) {
+    case UIResourceBitmap::CLAMP_TO_EDGE:
+      wrap_mode = GL_CLAMP_TO_EDGE;
+      break;
+    case UIResourceBitmap::REPEAT:
+      wrap_mode = GL_REPEAT;
+      break;
+    default:

[enne (OOO), 2013/09/04 17:36:56]

Can you remove this default case so that the compiler can yell if somebody adds
an enum value and doesn't update this switch?

[ccameron, 2013/09/04 20:00:39]

Done.

+      NOTREACHED();
+      break;
+  }
+
   // Allow for multiple creation requests with the same UIResourceId.  The
   // previous resource is simply deleted.
   ResourceProvider::ResourceId id = ResourceIdForUIResource(uid);
@@ -2594,6 +2607,7 @@ void LayerTreeHostImpl::CreateUIResource(
   id = resource_provider_->CreateResource(
       bitmap->GetSize(),
       resource_provider_->best_texture_format(),
+      wrap_mode,
       ResourceProvider::TextureUsageAny);
 
   ui_resource_map_[uid] = id;