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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ | 5 #ifndef GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ |
6 #define GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ | 6 #define GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ |
7 | 7 |
8 #include <GLES2/gl2.h> | 8 #include <GLES2/gl2.h> |
9 | 9 |
10 #include <queue> | 10 #include <queue> |
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28 unsigned int size, | 28 unsigned int size, |
29 int32 shm_id, | 29 int32 shm_id, |
30 uint32 shm_offset, | 30 uint32 shm_offset, |
31 void* address) | 31 void* address) |
32 : id_(id), | 32 : id_(id), |
33 size_(size), | 33 size_(size), |
34 shm_id_(shm_id), | 34 shm_id_(shm_id), |
35 shm_offset_(shm_offset), | 35 shm_offset_(shm_offset), |
36 address_(address), | 36 address_(address), |
37 mapped_(false), | 37 mapped_(false), |
38 transfer_ready_token_(0) { | 38 transfer_ready_token_(0), |
39 last_usage_token_(0), | |
40 async_query_id_(0) { | |
39 } | 41 } |
40 | 42 |
41 GLenum id() const { | 43 GLenum id() const { |
42 return id_; | 44 return id_; |
43 } | 45 } |
44 | 46 |
45 unsigned int size() const { | 47 unsigned int size() const { |
46 return size_; | 48 return size_; |
47 } | 49 } |
48 | 50 |
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67 } | 69 } |
68 | 70 |
69 void set_transfer_ready_token(int token) { | 71 void set_transfer_ready_token(int token) { |
70 transfer_ready_token_ = token; | 72 transfer_ready_token_ = token; |
71 } | 73 } |
72 | 74 |
73 uint32 transfer_ready_token() const { | 75 uint32 transfer_ready_token() const { |
74 return transfer_ready_token_; | 76 return transfer_ready_token_; |
75 } | 77 } |
76 | 78 |
79 void set_used(bool used) { | |
piman
2014/01/11 02:02:32
What does used mean exactly?
jadahl
2014/01/11 11:35:29
It's mean to be used for keeping track if a buffer
| |
80 used_ = used; | |
81 } | |
82 | |
83 bool used() const { | |
84 return used_; | |
85 } | |
86 | |
87 void set_last_usage_token(int token) { | |
88 last_usage_token_ = token; | |
89 } | |
90 | |
91 int last_usage_token() const { | |
92 return last_usage_token_; | |
93 } | |
94 | |
95 void set_async_query_id(GLuint async_query_id) { | |
96 async_query_id_ = async_query_id; | |
97 } | |
98 | |
99 GLuint async_query_id() const { | |
100 return async_query_id_; | |
101 } | |
102 | |
77 private: | 103 private: |
78 friend class BufferTracker; | 104 friend class BufferTracker; |
79 friend class BufferTrackerTest; | 105 friend class BufferTrackerTest; |
80 | 106 |
81 GLuint id_; | 107 GLuint id_; |
82 unsigned int size_; | 108 unsigned int size_; |
83 int32 shm_id_; | 109 int32 shm_id_; |
84 uint32 shm_offset_; | 110 uint32 shm_offset_; |
85 void* address_; | 111 void* address_; |
86 bool mapped_; | 112 bool mapped_ : 1; |
113 bool used_ : 1; | |
87 int32 transfer_ready_token_; | 114 int32 transfer_ready_token_; |
115 int32 last_usage_token_; | |
116 GLuint async_query_id_; | |
88 }; | 117 }; |
89 | 118 |
90 BufferTracker(MappedMemoryManager* manager); | 119 BufferTracker(MappedMemoryManager* manager); |
91 ~BufferTracker(); | 120 ~BufferTracker(); |
92 | 121 |
93 Buffer* CreateBuffer(GLuint id, GLsizeiptr size); | 122 Buffer* CreateBuffer(GLuint id, GLsizeiptr size); |
94 Buffer* GetBuffer(GLuint id); | 123 Buffer* GetBuffer(GLuint id); |
95 void RemoveBuffer(GLuint id); | 124 void RemoveBuffer(GLuint id); |
96 | 125 |
97 // Frees the block of memory associated with buffer, pending the passage | 126 // Frees the block of memory associated with buffer, pending the passage |
98 // of a token. | 127 // of a token. |
99 void FreePendingToken(Buffer*, int32 token); | 128 void FreePendingToken(Buffer* buffer, int32 token); |
129 void FreePendingSerial(Buffer* buffer, uint32 serial); | |
130 void Free(Buffer* buffer); | |
100 | 131 |
101 private: | 132 private: |
102 typedef base::hash_map<GLuint, Buffer*> BufferMap; | 133 typedef base::hash_map<GLuint, Buffer*> BufferMap; |
103 | 134 |
104 MappedMemoryManager* mapped_memory_; | 135 MappedMemoryManager* mapped_memory_; |
105 BufferMap buffers_; | 136 BufferMap buffers_; |
106 | 137 |
107 DISALLOW_COPY_AND_ASSIGN(BufferTracker); | 138 DISALLOW_COPY_AND_ASSIGN(BufferTracker); |
108 }; | 139 }; |
109 | 140 |
110 } // namespace gles2 | 141 } // namespace gles2 |
111 } // namespace gpu | 142 } // namespace gpu |
112 | 143 |
113 #endif // GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ | 144 #endif // GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ |
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