gpu: Remove async texture uploads.

gpu/command_buffer/service/async_pixel_transfer_manager.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_H_
-#define GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_H_
-
-#include <set>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/containers/hash_tables.h"
-#include "base/memory/linked_ptr.h"
-#include "base/memory/ref_counted.h"
-#include "gpu/command_buffer/service/texture_manager.h"
-#include "gpu/gpu_export.h"
-
-namespace gfx {
-class GLContext;
-}
-
-namespace gpu {
-class AsyncPixelTransferDelegate;
-class AsyncMemoryParams;
-struct AsyncTexImage2DParams;
-
-class AsyncPixelTransferCompletionObserver
-    : public base::RefCountedThreadSafe<AsyncPixelTransferCompletionObserver> {
- public:
-  AsyncPixelTransferCompletionObserver();
-
-  virtual void DidComplete(const AsyncMemoryParams& mem_params) = 0;
-
- protected:
-  virtual ~AsyncPixelTransferCompletionObserver();
-
- private:
-  friend class base::RefCountedThreadSafe<AsyncPixelTransferCompletionObserver>;
-
-  DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferCompletionObserver);
-};
-
-class GPU_EXPORT AsyncPixelTransferManager
-    : public gles2::TextureManager::DestructionObserver {
- public:
-  static AsyncPixelTransferManager* Create(gfx::GLContext* context);
-
-  ~AsyncPixelTransferManager() override;
-
-  void Initialize(gles2::TextureManager* texture_manager);
-
-  virtual void BindCompletedAsyncTransfers() = 0;
-
-  // There's no guarantee that callback will run on the caller thread.
-  virtual void AsyncNotifyCompletion(
-      const AsyncMemoryParams& mem_params,
-      AsyncPixelTransferCompletionObserver* observer) = 0;
-
-  virtual uint32 GetTextureUploadCount() = 0;
-  virtual base::TimeDelta GetTotalTextureUploadTime() = 0;
-
-  // ProcessMorePendingTransfers() will be called at a good time
-  // to process a small amount of pending transfer work while
-  // NeedsProcessMorePendingTransfers() returns true. Implementations
-  // that can't dispatch work to separate threads should use
-  // this to avoid blocking the caller thread inappropriately.
-  virtual void ProcessMorePendingTransfers() = 0;
-  virtual bool NeedsProcessMorePendingTransfers() = 0;
-
-  // Wait for all AsyncTex(Sub)Image2D uploads to finish before returning.
-  virtual void WaitAllAsyncTexImage2D() = 0;
-
-  AsyncPixelTransferDelegate* CreatePixelTransferDelegate(
-      gles2::TextureRef* ref,
-      const AsyncTexImage2DParams& define_params);
-
-  AsyncPixelTransferDelegate* GetPixelTransferDelegate(
-      gles2::TextureRef* ref);
-
-  void ClearPixelTransferDelegateForTest(gles2::TextureRef* ref);
-
-  bool AsyncTransferIsInProgress(gles2::TextureRef* ref);
-
-  // gles2::TextureRef::DestructionObserver implementation:
-  void OnTextureManagerDestroying(gles2::TextureManager* manager) override;
-  void OnTextureRefDestroying(gles2::TextureRef* texture) override;
-
- protected:
-  AsyncPixelTransferManager();
-
- private:
-  gles2::TextureManager* manager_;
-
-  typedef base::hash_map<gles2::TextureRef*,
-                         linked_ptr<AsyncPixelTransferDelegate> >
-      TextureToDelegateMap;
-  TextureToDelegateMap delegate_map_;
-
-  // A factory method called by CreatePixelTransferDelegate that is overriden
-  // by each implementation.
-  virtual AsyncPixelTransferDelegate* CreatePixelTransferDelegateImpl(
-      gles2::TextureRef* ref,
-      const AsyncTexImage2DParams& define_params) = 0;
-
-  DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferManager);
-};
-
-}  // namespace gpu
-
-#endif  // GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_H_