Tile Compression

gpu/command_buffer/service/async_pixel_transfer_manager_idle.h

Index: gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
diff --git a/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h b/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
index 8aba7ff95ecc7b52a2fed2654284e0108e4dcb76..c3b671df89da6a5f342cef1311cdd09ec4e52070 100644
--- a/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
+++ b/gpu/command_buffer/service/async_pixel_transfer_manager_idle.h
@@ -7,6 +7,7 @@
 
 #include <list>
 
+#include "base/synchronization/waitable_event_watcher.h"
 #include "gpu/command_buffer/service/async_pixel_transfer_manager.h"
 
 namespace gpu {
@@ -53,12 +54,24 @@ class AsyncPixelTransferManagerIdle : public AsyncPixelTransferManager {
   };
 
  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);
 };