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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/mapped_memory.h" | 5 #include "gpu/command_buffer/client/mapped_memory.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <functional> | 8 #include <functional> |
9 | 9 |
10 #include "base/atomic_sequence_num.h" | 10 #include "base/atomic_sequence_num.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/strings/stringprintf.h" | 12 #include "base/strings/stringprintf.h" |
13 #include "base/thread_task_runner_handle.h" | 13 #include "base/thread_task_runner_handle.h" |
14 #include "base/trace_event/memory_dump_manager.h" | 14 #include "base/trace_event/memory_dump_manager.h" |
15 #include "base/trace_event/trace_event.h" | 15 #include "base/trace_event/trace_event.h" |
16 #include "gpu/command_buffer/client/cmd_buffer_helper.h" | 16 #include "gpu/command_buffer/client/cmd_buffer_helper.h" |
17 #include "gpu/command_buffer/common/buffer.h" | 17 #include "gpu/command_buffer/common/buffer.h" |
18 | 18 |
19 namespace gpu { | 19 namespace gpu { |
20 namespace { | 20 namespace { |
21 | 21 |
22 // Generates process-unique IDs to use for tracing a MappedMemoryManager's | 22 // Generates process-unique IDs to use for tracing a MappedMemoryManager's |
23 // chunks. | 23 // chunks. |
24 base::StaticAtomicSequenceNumber g_next_mapped_memory_manager_tracing_id; | 24 base::StaticAtomicSequenceNumber g_next_mapped_memory_manager_tracing_id; |
25 | 25 |
26 } // namespace | 26 } // namespace |
27 | 27 |
28 MemoryChunk::MemoryChunk(int32 shm_id, | 28 MemoryChunk::MemoryChunk(int32 shm_id, |
29 scoped_refptr<gpu::Buffer> shm, | 29 scoped_refptr<gpu::Buffer> shm, |
30 CommandBufferHelper* helper, | 30 CommandBufferHelper* helper) |
31 const base::Closure& poll_callback) | |
32 : shm_id_(shm_id), | 31 : shm_id_(shm_id), |
33 shm_(shm), | 32 shm_(shm), |
34 allocator_(shm->size(), helper, poll_callback, shm->memory()) {} | 33 allocator_(shm->size(), helper, shm->memory()) {} |
35 | 34 |
36 MemoryChunk::~MemoryChunk() {} | 35 MemoryChunk::~MemoryChunk() {} |
37 | 36 |
38 MappedMemoryManager::MappedMemoryManager(CommandBufferHelper* helper, | 37 MappedMemoryManager::MappedMemoryManager(CommandBufferHelper* helper, |
39 const base::Closure& poll_callback, | |
40 size_t unused_memory_reclaim_limit) | 38 size_t unused_memory_reclaim_limit) |
41 : chunk_size_multiple_(FencedAllocator::kAllocAlignment), | 39 : chunk_size_multiple_(FencedAllocator::kAllocAlignment), |
42 helper_(helper), | 40 helper_(helper), |
43 poll_callback_(poll_callback), | |
44 allocated_memory_(0), | 41 allocated_memory_(0), |
45 max_free_bytes_(unused_memory_reclaim_limit), | 42 max_free_bytes_(unused_memory_reclaim_limit), |
46 max_allocated_bytes_(kNoLimit), | 43 max_allocated_bytes_(kNoLimit), |
47 tracing_id_(g_next_mapped_memory_manager_tracing_id.GetNext()) { | 44 tracing_id_(g_next_mapped_memory_manager_tracing_id.GetNext()) { |
48 // In certain cases, ThreadTaskRunnerHandle isn't set (Android Webview). | 45 // In certain cases, ThreadTaskRunnerHandle isn't set (Android Webview). |
49 // Don't register a dump provider in these cases. | 46 // Don't register a dump provider in these cases. |
50 // TODO(ericrk): Get this working in Android Webview. crbug.com/517156 | 47 // TODO(ericrk): Get this working in Android Webview. crbug.com/517156 |
51 if (base::ThreadTaskRunnerHandle::IsSet()) { | 48 if (base::ThreadTaskRunnerHandle::IsSet()) { |
52 base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider( | 49 base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider( |
53 this, base::ThreadTaskRunnerHandle::Get()); | 50 this, base::ThreadTaskRunnerHandle::Get()); |
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114 CommandBuffer* cmd_buf = helper_->command_buffer(); | 111 CommandBuffer* cmd_buf = helper_->command_buffer(); |
115 unsigned int chunk_size = | 112 unsigned int chunk_size = |
116 ((size + chunk_size_multiple_ - 1) / chunk_size_multiple_) * | 113 ((size + chunk_size_multiple_ - 1) / chunk_size_multiple_) * |
117 chunk_size_multiple_; | 114 chunk_size_multiple_; |
118 int32 id = -1; | 115 int32 id = -1; |
119 scoped_refptr<gpu::Buffer> shm = | 116 scoped_refptr<gpu::Buffer> shm = |
120 cmd_buf->CreateTransferBuffer(chunk_size, &id); | 117 cmd_buf->CreateTransferBuffer(chunk_size, &id); |
121 if (id < 0) | 118 if (id < 0) |
122 return NULL; | 119 return NULL; |
123 DCHECK(shm.get()); | 120 DCHECK(shm.get()); |
124 MemoryChunk* mc = new MemoryChunk(id, shm, helper_, poll_callback_); | 121 MemoryChunk* mc = new MemoryChunk(id, shm, helper_); |
125 allocated_memory_ += mc->GetSize(); | 122 allocated_memory_ += mc->GetSize(); |
126 chunks_.push_back(mc); | 123 chunks_.push_back(mc); |
127 void* mem = mc->Alloc(size); | 124 void* mem = mc->Alloc(size); |
128 DCHECK(mem); | 125 DCHECK(mem); |
129 *shm_id = mc->shm_id(); | 126 *shm_id = mc->shm_id(); |
130 *shm_offset = mc->GetOffset(mem); | 127 *shm_offset = mc->GetOffset(mem); |
131 return mem; | 128 return mem; |
132 } | 129 } |
133 | 130 |
134 void MappedMemoryManager::Free(void* pointer) { | 131 void MappedMemoryManager::Free(void* pointer) { |
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215 void ScopedMappedMemoryPtr::Reset(uint32_t new_size) { | 212 void ScopedMappedMemoryPtr::Reset(uint32_t new_size) { |
216 Release(); | 213 Release(); |
217 | 214 |
218 if (new_size) { | 215 if (new_size) { |
219 buffer_ = mapped_memory_manager_->Alloc(new_size, &shm_id_, &shm_offset_); | 216 buffer_ = mapped_memory_manager_->Alloc(new_size, &shm_id_, &shm_offset_); |
220 size_ = buffer_ ? new_size : 0; | 217 size_ = buffer_ ? new_size : 0; |
221 } | 218 } |
222 } | 219 } |
223 | 220 |
224 } // namespace gpu | 221 } // namespace gpu |
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