Tile Compression

gpu/command_buffer/service/async_pixel_transfer_manager_idle.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_IDLE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_IDLE_H_
 
 #include <list>
 
+#include "base/synchronization/waitable_event_watcher.h"
 #include "gpu/command_buffer/service/async_pixel_transfer_manager.h"
 
 namespace gpu {
 
 class AsyncPixelTransferManagerIdle : public AsyncPixelTransferManager {
  public:
   AsyncPixelTransferManagerIdle();
   ~AsyncPixelTransferManagerIdle() override;
 
   // AsyncPixelTransferManager implementation:
@@ skipping 26 matching lines @@
     SharedState();
     ~SharedState();
     void ProcessNotificationTasks();
 
     int texture_upload_count;
     base::TimeDelta total_texture_upload_time;
     std::list<Task> tasks;
   };
 
  private:
+  friend class AsyncPixelTransferManagerCompressed;
+
+  // Used by AsyncPixelTransferManagerCompressed.
+  void SuspendUploads(base::WaitableEvent* waitable);
+  void SignalWhenUploadsCompleted(base::WaitableEvent* waitable);
+
+  void DoSuspendUploads(scoped_ptr<base::WaitableEvent> waitable);
+
   // AsyncPixelTransferManager implementation:
   AsyncPixelTransferDelegate* CreatePixelTransferDelegateImpl(
       gles2::TextureRef* ref,
       const AsyncTexImage2DParams& define_params) override;
+  virtual AsyncPixelTransferDelegate* CreatePixelTransferDelegateImpl(
+      gles2::TextureRef* ref,
+      const AsyncCompressedTexImage2DParams& define_params) override;
 
   SharedState shared_state_;
+  ScopedVector<base::WaitableEvent> suspend_waitables_;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferManagerIdle);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_MANAGER_IDLE_H_