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| 1 // Copyright (c) 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. |
| 4 |
| 5 #ifndef UI_GL_ASYNC_TASK_DELEGATE_IDLE_H_ |
| 6 #define UI_GL_ASYNC_TASK_DELEGATE_IDLE_H_ |
| 7 |
| 8 #include <list> |
| 9 #include <queue> |
| 10 |
| 11 #include "base/callback.h" |
| 12 #include "ui/gl/async_pixel_transfer_delegate.h" |
| 13 |
| 14 namespace gfx { |
| 15 class GLSurface; |
| 16 class TransferStateInternalIdle; |
| 17 class ScopedSafeSharedMemory; |
| 18 |
| 19 // Class which handles async pixel transfers in a platform |
| 20 // independent way. |
| 21 class AsyncPixelTransferDelegateIdle : public AsyncPixelTransferDelegate, |
| 22 public base::SupportsWeakPtr<AsyncPixelTransferDelegateIdle> { |
| 23 public: |
| 24 static scoped_ptr<AsyncPixelTransferDelegate> |
| 25 Create(gfx::GLContext* context); |
| 26 |
| 27 AsyncPixelTransferDelegateIdle(); |
| 28 virtual ~AsyncPixelTransferDelegateIdle(); |
| 29 |
| 30 // implement AsyncPixelTransferDelegate: |
| 31 virtual bool BindCompletedAsyncTransfers() OVERRIDE; |
| 32 virtual void AsyncNotifyCompletion( |
| 33 const AsyncMemoryParams& mem_params, |
| 34 const CompletionCallback& callback) OVERRIDE; |
| 35 virtual void AsyncTexImage2D( |
| 36 AsyncPixelTransferState* transfer_state, |
| 37 const AsyncTexImage2DParams& tex_params, |
| 38 const AsyncMemoryParams& mem_params, |
| 39 const base::Closure& bind_callback) OVERRIDE; |
| 40 virtual void AsyncTexSubImage2D( |
| 41 AsyncPixelTransferState* transfer_state, |
| 42 const AsyncTexSubImage2DParams& tex_params, |
| 43 const AsyncMemoryParams& mem_params) OVERRIDE; |
| 44 virtual void WaitForTransferCompletion( |
| 45 AsyncPixelTransferState* transfer_state) OVERRIDE; |
| 46 virtual uint32 GetTextureUploadCount() OVERRIDE; |
| 47 virtual base::TimeDelta GetTotalTextureUploadTime() OVERRIDE; |
| 48 virtual bool ProcessMorePendingTransfers() OVERRIDE; |
| 49 virtual bool NeedsProcessMorePendingTransfers() OVERRIDE; |
| 50 |
| 51 private: |
| 52 struct Transfer { |
| 53 Transfer(uint64 id, const base::Closure& task); |
| 54 ~Transfer(); |
| 55 |
| 56 uint64 id; |
| 57 base::Closure task; |
| 58 std::queue<base::Closure> notifications; |
| 59 }; |
| 60 |
| 61 void ProcessTransfer(Transfer& transfer); |
| 62 |
| 63 // implement AsyncPixelTransferDelegate: |
| 64 virtual AsyncPixelTransferState* |
| 65 CreateRawPixelTransferState( |
| 66 GLuint texture_id, |
| 67 const AsyncTexImage2DParams& define_params) OVERRIDE; |
| 68 |
| 69 void PerformNotifyCompletion( |
| 70 AsyncMemoryParams mem_params, |
| 71 ScopedSafeSharedMemory* safe_shared_memory, |
| 72 const CompletionCallback& callback); |
| 73 void PerformAsyncTexImage2D( |
| 74 AsyncTexImage2DParams tex_params, |
| 75 AsyncMemoryParams mem_params, |
| 76 const base::Closure& bind_callback, |
| 77 ScopedSafeSharedMemory* safe_shared_memory, |
| 78 GLuint texture_id); |
| 79 void PerformAsyncTexSubImage2D( |
| 80 AsyncTexSubImage2DParams tex_params, |
| 81 AsyncMemoryParams mem_params, |
| 82 ScopedSafeSharedMemory* safe_shared_memory, |
| 83 GLuint texture_id); |
| 84 |
| 85 int texture_upload_count_; |
| 86 base::TimeDelta total_texture_upload_time_; |
| 87 |
| 88 std::list<Transfer> transfers_; |
| 89 |
| 90 DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferDelegateIdle); |
| 91 }; |
| 92 |
| 93 } // namespace gfx |
| 94 |
| 95 #endif // UI_GL_ASYNC_TASK_DELEGATE_IDLE_H_ |
| 96 |
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