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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 GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_DELEGATE_H_ | |
6 #define GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_DELEGATE_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "base/callback.h" | |
10 #include "base/memory/ref_counted.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/synchronization/lock.h" | |
13 #include "base/time/time.h" | |
14 #include "gpu/command_buffer/common/buffer.h" | |
15 #include "gpu/gpu_export.h" | |
16 #include "ui/gl/gl_bindings.h" | |
17 | |
18 namespace base { | |
19 class SharedMemory; | |
20 } | |
21 | |
22 namespace gpu { | |
23 | |
24 struct AsyncTexImage2DParams { | |
25 GLenum target; | |
26 GLint level; | |
27 GLenum internal_format; | |
28 GLsizei width; | |
29 GLsizei height; | |
30 GLint border; | |
31 GLenum format; | |
32 GLenum type; | |
33 }; | |
34 | |
35 struct AsyncTexSubImage2DParams { | |
36 GLenum target; | |
37 GLint level; | |
38 GLint xoffset; | |
39 GLint yoffset; | |
40 GLsizei width; | |
41 GLsizei height; | |
42 GLenum format; | |
43 GLenum type; | |
44 }; | |
45 | |
46 class AsyncMemoryParams { | |
47 public: | |
48 AsyncMemoryParams(scoped_refptr<Buffer> buffer, | |
49 uint32 data_offset, | |
50 uint32 data_size); | |
51 ~AsyncMemoryParams(); | |
52 | |
53 scoped_refptr<Buffer> buffer() const { return buffer_; } | |
54 uint32 data_size() const { return data_size_; } | |
55 uint32 data_offset() const { return data_offset_; } | |
56 void* GetDataAddress() const { | |
57 return buffer_->GetDataAddress(data_offset_, data_size_); | |
58 } | |
59 | |
60 private: | |
61 scoped_refptr<Buffer> buffer_; | |
62 uint32 data_offset_; | |
63 uint32 data_size_; | |
64 }; | |
65 | |
66 class AsyncPixelTransferUploadStats | |
67 : public base::RefCountedThreadSafe<AsyncPixelTransferUploadStats> { | |
68 public: | |
69 AsyncPixelTransferUploadStats(); | |
70 | |
71 void AddUpload(base::TimeDelta transfer_time); | |
72 int GetStats(base::TimeDelta* total_texture_upload_time); | |
73 | |
74 private: | |
75 friend class base::RefCountedThreadSafe<AsyncPixelTransferUploadStats>; | |
76 | |
77 ~AsyncPixelTransferUploadStats(); | |
78 | |
79 int texture_upload_count_; | |
80 base::TimeDelta total_texture_upload_time_; | |
81 base::Lock lock_; | |
82 | |
83 DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferUploadStats); | |
84 }; | |
85 | |
86 class GPU_EXPORT AsyncPixelTransferDelegate { | |
87 public: | |
88 virtual ~AsyncPixelTransferDelegate(); | |
89 | |
90 // The callback occurs on the caller thread, once the texture is | |
91 // safe/ready to be used. | |
92 virtual void AsyncTexImage2D( | |
93 const AsyncTexImage2DParams& tex_params, | |
94 const AsyncMemoryParams& mem_params, | |
95 const base::Closure& bind_callback) = 0; | |
96 | |
97 virtual void AsyncTexSubImage2D( | |
98 const AsyncTexSubImage2DParams& tex_params, | |
99 const AsyncMemoryParams& mem_params) = 0; | |
100 | |
101 // Returns true if there is a transfer in progress. | |
102 virtual bool TransferIsInProgress() = 0; | |
103 | |
104 // Block until the specified transfer completes. | |
105 virtual void WaitForTransferCompletion() = 0; | |
106 | |
107 protected: | |
108 AsyncPixelTransferDelegate(); | |
109 | |
110 private: | |
111 DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferDelegate); | |
112 }; | |
113 | |
114 } // namespace gpu | |
115 | |
116 #endif // GPU_COMMAND_BUFFER_SERVICE_ASYNC_PIXEL_TRANSFER_DELEGATE_H_ | |
117 | |
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