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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/output/texture_mailbox_deleter.h" | 5 #include "cc/output/texture_mailbox_deleter.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/location.h" | 8 #include "base/location.h" |
| 9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
| 10 #include "base/single_thread_task_runner.h" | 10 #include "base/single_thread_task_runner.h" |
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| 50 const scoped_refptr<ContextProvider>& context_provider, | 50 const scoped_refptr<ContextProvider>& context_provider, |
| 51 unsigned texture_id) { | 51 unsigned texture_id) { |
| 52 // This callback owns a reference on the |context_provider|. It must be | 52 // This callback owns a reference on the |context_provider|. It must be |
| 53 // destroyed on the impl thread. Upon destruction of this class, the | 53 // destroyed on the impl thread. Upon destruction of this class, the |
| 54 // callback must immediately be destroyed. | 54 // callback must immediately be destroyed. |
| 55 scoped_ptr<SingleReleaseCallback> impl_callback = | 55 scoped_ptr<SingleReleaseCallback> impl_callback = |
| 56 SingleReleaseCallback::Create(base::Bind(&DeleteTextureOnImplThread, | 56 SingleReleaseCallback::Create(base::Bind(&DeleteTextureOnImplThread, |
| 57 context_provider, | 57 context_provider, |
| 58 texture_id)); | 58 texture_id)); |
| 59 | 59 |
| 60 impl_callbacks_.push_back(impl_callback.Pass()); | 60 impl_callbacks_.push_back(std::move(impl_callback)); |
| 61 | 61 |
| 62 // The raw pointer to the impl-side callback is valid as long as this | 62 // The raw pointer to the impl-side callback is valid as long as this |
| 63 // class is alive. So we guard it with a WeakPtr. | 63 // class is alive. So we guard it with a WeakPtr. |
| 64 ReleaseCallback run_impl_callback( | 64 ReleaseCallback run_impl_callback( |
| 65 base::Bind(&TextureMailboxDeleter::RunDeleteTextureOnImplThread, | 65 base::Bind(&TextureMailboxDeleter::RunDeleteTextureOnImplThread, |
| 66 weak_ptr_factory_.GetWeakPtr(), impl_callbacks_.back().get())); | 66 weak_ptr_factory_.GetWeakPtr(), impl_callbacks_.back().get())); |
| 67 | 67 |
| 68 // Provide a callback for the main thread that posts back to the impl | 68 // Provide a callback for the main thread that posts back to the impl |
| 69 // thread. | 69 // thread. |
| 70 scoped_ptr<SingleReleaseCallback> main_callback; | 70 scoped_ptr<SingleReleaseCallback> main_callback; |
| 71 if (impl_task_runner_) { | 71 if (impl_task_runner_) { |
| 72 main_callback = SingleReleaseCallback::Create(base::Bind( | 72 main_callback = SingleReleaseCallback::Create(base::Bind( |
| 73 &PostTaskFromMainToImplThread, impl_task_runner_, run_impl_callback)); | 73 &PostTaskFromMainToImplThread, impl_task_runner_, run_impl_callback)); |
| 74 } else { | 74 } else { |
| 75 main_callback = SingleReleaseCallback::Create(run_impl_callback); | 75 main_callback = SingleReleaseCallback::Create(run_impl_callback); |
| 76 } | 76 } |
| 77 | 77 |
| 78 return main_callback.Pass(); | 78 return main_callback; |
| 79 } | 79 } |
| 80 | 80 |
| 81 void TextureMailboxDeleter::RunDeleteTextureOnImplThread( | 81 void TextureMailboxDeleter::RunDeleteTextureOnImplThread( |
| 82 SingleReleaseCallback* impl_callback, | 82 SingleReleaseCallback* impl_callback, |
| 83 const gpu::SyncToken& sync_token, | 83 const gpu::SyncToken& sync_token, |
| 84 bool is_lost) { | 84 bool is_lost) { |
| 85 for (size_t i = 0; i < impl_callbacks_.size(); ++i) { | 85 for (size_t i = 0; i < impl_callbacks_.size(); ++i) { |
| 86 if (impl_callbacks_[i].get() == impl_callback) { | 86 if (impl_callbacks_[i].get() == impl_callback) { |
| 87 // Run the callback, then destroy it here on the impl thread. | 87 // Run the callback, then destroy it here on the impl thread. |
| 88 impl_callbacks_[i]->Run(sync_token, is_lost); | 88 impl_callbacks_[i]->Run(sync_token, is_lost); |
| 89 impl_callbacks_.erase(impl_callbacks_.begin() + i); | 89 impl_callbacks_.erase(impl_callbacks_.begin() + i); |
| 90 return; | 90 return; |
| 91 } | 91 } |
| 92 } | 92 } |
| 93 | 93 |
| 94 NOTREACHED() << "The Callback returned by GetDeleteCallback() was called " | 94 NOTREACHED() << "The Callback returned by GetDeleteCallback() was called " |
| 95 << "more than once."; | 95 << "more than once."; |
| 96 } | 96 } |
| 97 | 97 |
| 98 } // namespace cc | 98 } // namespace cc |
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