1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CC_RESOURCES_TEXTURE_MAILBOX_DELETER_H_
6 #define CC_RESOURCES_TEXTURE_MAILBOX_DELETER_H_
8 #include "base/memory/weak_ptr.h"
9 #include "cc/base/cc_export.h"
10 #include "cc/base/scoped_ptr_vector.h"
13 class ContextProvider;
14 class SingleReleaseCallback;
16 class CC_EXPORT TextureMailboxDeleter {
18 TextureMailboxDeleter();
19 ~TextureMailboxDeleter();
21 // Returns a Callback that can be used as the ReleaseCallback for a
22 // TextureMailbox attached to the |texture_id|. The ReleaseCallback can
23 // be passed to other threads and will destroy the texture, once it is
24 // run, on the impl thread. If the TextureMailboxDeleter is destroyed
25 // due to the compositor shutting down, then the ReleaseCallback will
26 // become a no-op and the texture will be deleted immediately on the
27 // impl thread, along with dropping the reference to the ContextProvider.
28 scoped_ptr<SingleReleaseCallback> GetReleaseCallback(
29 const scoped_refptr<ContextProvider>& context_provider,
33 // Runs the |impl_callback| to delete the texture and removes the callback
34 // from the |impl_callbacks_| list.
35 void RunDeleteTextureOnImplThread(SingleReleaseCallback* impl_callback,
39 ScopedPtrVector<SingleReleaseCallback> impl_callbacks_;
40 base::WeakPtrFactory<TextureMailboxDeleter> weak_ptr_factory_;
45 #endif // CC_RESOURCES_TEXTURE_MAILBOX_DELETER_H_