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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 #include "gpu/command_buffer/client/buffer_tracker.h" | 5 #include "gpu/command_buffer/client/buffer_tracker.h" |
6 | 6 |
| 7 #include <stdint.h> |
| 8 |
7 #include <utility> | 9 #include <utility> |
8 #include "gpu/command_buffer/client/mapped_memory.h" | 10 #include "gpu/command_buffer/client/mapped_memory.h" |
9 | 11 |
10 namespace gpu { | 12 namespace gpu { |
11 namespace gles2 { | 13 namespace gles2 { |
12 | 14 |
13 BufferTracker::BufferTracker(MappedMemoryManager* manager) | 15 BufferTracker::BufferTracker(MappedMemoryManager* manager) |
14 : mapped_memory_(manager) { | 16 : mapped_memory_(manager) { |
15 } | 17 } |
16 | 18 |
17 BufferTracker::~BufferTracker() { | 19 BufferTracker::~BufferTracker() { |
18 while (!buffers_.empty()) { | 20 while (!buffers_.empty()) { |
19 RemoveBuffer(buffers_.begin()->first); | 21 RemoveBuffer(buffers_.begin()->first); |
20 } | 22 } |
21 } | 23 } |
22 | 24 |
23 BufferTracker::Buffer* BufferTracker::CreateBuffer( | 25 BufferTracker::Buffer* BufferTracker::CreateBuffer( |
24 GLuint id, GLsizeiptr size) { | 26 GLuint id, GLsizeiptr size) { |
25 DCHECK_NE(0u, id); | 27 DCHECK_NE(0u, id); |
26 DCHECK_LE(0, size); | 28 DCHECK_LE(0, size); |
27 int32 shm_id = -1; | 29 int32_t shm_id = -1; |
28 uint32 shm_offset = 0; | 30 uint32_t shm_offset = 0; |
29 void* address = NULL; | 31 void* address = NULL; |
30 if (size) | 32 if (size) |
31 address = mapped_memory_->Alloc(size, &shm_id, &shm_offset); | 33 address = mapped_memory_->Alloc(size, &shm_id, &shm_offset); |
32 | 34 |
33 Buffer* buffer = new Buffer(id, size, shm_id, shm_offset, address); | 35 Buffer* buffer = new Buffer(id, size, shm_id, shm_offset, address); |
34 std::pair<BufferMap::iterator, bool> result = | 36 std::pair<BufferMap::iterator, bool> result = |
35 buffers_.insert(std::make_pair(id, buffer)); | 37 buffers_.insert(std::make_pair(id, buffer)); |
36 DCHECK(result.second); | 38 DCHECK(result.second); |
37 return buffer; | 39 return buffer; |
38 } | 40 } |
39 | 41 |
40 BufferTracker::Buffer* BufferTracker::GetBuffer(GLuint client_id) { | 42 BufferTracker::Buffer* BufferTracker::GetBuffer(GLuint client_id) { |
41 BufferMap::iterator it = buffers_.find(client_id); | 43 BufferMap::iterator it = buffers_.find(client_id); |
42 return it != buffers_.end() ? it->second : NULL; | 44 return it != buffers_.end() ? it->second : NULL; |
43 } | 45 } |
44 | 46 |
45 void BufferTracker::RemoveBuffer(GLuint client_id) { | 47 void BufferTracker::RemoveBuffer(GLuint client_id) { |
46 BufferMap::iterator it = buffers_.find(client_id); | 48 BufferMap::iterator it = buffers_.find(client_id); |
47 if (it != buffers_.end()) { | 49 if (it != buffers_.end()) { |
48 Buffer* buffer = it->second; | 50 Buffer* buffer = it->second; |
49 buffers_.erase(it); | 51 buffers_.erase(it); |
50 if (buffer->address_) | 52 if (buffer->address_) |
51 mapped_memory_->Free(buffer->address_); | 53 mapped_memory_->Free(buffer->address_); |
52 delete buffer; | 54 delete buffer; |
53 } | 55 } |
54 } | 56 } |
55 | 57 |
56 void BufferTracker::FreePendingToken(Buffer* buffer, int32 token) { | 58 void BufferTracker::FreePendingToken(Buffer* buffer, int32_t token) { |
57 if (buffer->address_) | 59 if (buffer->address_) |
58 mapped_memory_->FreePendingToken(buffer->address_, token); | 60 mapped_memory_->FreePendingToken(buffer->address_, token); |
59 buffer->size_ = 0; | 61 buffer->size_ = 0; |
60 buffer->shm_id_ = 0; | 62 buffer->shm_id_ = 0; |
61 buffer->shm_offset_ = 0; | 63 buffer->shm_offset_ = 0; |
62 buffer->address_ = NULL; | 64 buffer->address_ = NULL; |
63 buffer->last_usage_token_ = 0; | 65 buffer->last_usage_token_ = 0; |
64 buffer->last_async_upload_token_ = 0; | 66 buffer->last_async_upload_token_ = 0; |
65 } | 67 } |
66 | 68 |
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80 buffer->size_ = 0; | 82 buffer->size_ = 0; |
81 buffer->shm_id_ = 0; | 83 buffer->shm_id_ = 0; |
82 buffer->shm_offset_ = 0; | 84 buffer->shm_offset_ = 0; |
83 buffer->address_ = NULL; | 85 buffer->address_ = NULL; |
84 buffer->last_usage_token_ = 0; | 86 buffer->last_usage_token_ = 0; |
85 buffer->last_async_upload_token_ = 0; | 87 buffer->last_async_upload_token_ = 0; |
86 } | 88 } |
87 | 89 |
88 } // namespace gles2 | 90 } // namespace gles2 |
89 } // namespace gpu | 91 } // namespace gpu |
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