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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/service/transfer_buffer_manager.h" | 5 #include "gpu/command_buffer/service/transfer_buffer_manager.h" |
| 6 | 6 |
| 7 #include <stdint.h> |
| 8 |
| 7 #include <limits> | 9 #include <limits> |
| 8 | 10 |
| 9 #include "base/logging.h" | 11 #include "base/logging.h" |
| 10 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/process/process_handle.h" | 13 #include "base/process/process_handle.h" |
| 12 #include "base/strings/stringprintf.h" | 14 #include "base/strings/stringprintf.h" |
| 13 #include "base/thread_task_runner_handle.h" | 15 #include "base/thread_task_runner_handle.h" |
| 14 #include "base/trace_event/memory_allocator_dump.h" | 16 #include "base/trace_event/memory_allocator_dump.h" |
| 15 #include "base/trace_event/memory_dump_manager.h" | 17 #include "base/trace_event/memory_dump_manager.h" |
| 16 #include "base/trace_event/process_memory_dump.h" | 18 #include "base/trace_event/process_memory_dump.h" |
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| 48 // so don't register a dump provider. | 50 // so don't register a dump provider. |
| 49 if (memory_tracker_) { | 51 if (memory_tracker_) { |
| 50 base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider( | 52 base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider( |
| 51 this, "gpu::TransferBufferManager", | 53 this, "gpu::TransferBufferManager", |
| 52 base::ThreadTaskRunnerHandle::Get()); | 54 base::ThreadTaskRunnerHandle::Get()); |
| 53 } | 55 } |
| 54 return true; | 56 return true; |
| 55 } | 57 } |
| 56 | 58 |
| 57 bool TransferBufferManager::RegisterTransferBuffer( | 59 bool TransferBufferManager::RegisterTransferBuffer( |
| 58 int32 id, | 60 int32_t id, |
| 59 scoped_ptr<BufferBacking> buffer_backing) { | 61 scoped_ptr<BufferBacking> buffer_backing) { |
| 60 if (id <= 0) { | 62 if (id <= 0) { |
| 61 DVLOG(0) << "Cannot register transfer buffer with non-positive ID."; | 63 DVLOG(0) << "Cannot register transfer buffer with non-positive ID."; |
| 62 return false; | 64 return false; |
| 63 } | 65 } |
| 64 | 66 |
| 65 // Fail if the ID is in use. | 67 // Fail if the ID is in use. |
| 66 if (registered_buffers_.find(id) != registered_buffers_.end()) { | 68 if (registered_buffers_.find(id) != registered_buffers_.end()) { |
| 67 DVLOG(0) << "Buffer ID already in use."; | 69 DVLOG(0) << "Buffer ID already in use."; |
| 68 return false; | 70 return false; |
| 69 } | 71 } |
| 70 | 72 |
| 71 // Register the shared memory with the ID. | 73 // Register the shared memory with the ID. |
| 72 scoped_refptr<Buffer> buffer(new gpu::Buffer(std::move(buffer_backing))); | 74 scoped_refptr<Buffer> buffer(new gpu::Buffer(std::move(buffer_backing))); |
| 73 | 75 |
| 74 // Check buffer alignment is sane. | 76 // Check buffer alignment is sane. |
| 75 DCHECK(!(reinterpret_cast<uintptr_t>(buffer->memory()) & | 77 DCHECK(!(reinterpret_cast<uintptr_t>(buffer->memory()) & |
| 76 (kCommandBufferEntrySize - 1))); | 78 (kCommandBufferEntrySize - 1))); |
| 77 | 79 |
| 78 shared_memory_bytes_allocated_ += buffer->size(); | 80 shared_memory_bytes_allocated_ += buffer->size(); |
| 79 | 81 |
| 80 registered_buffers_[id] = buffer; | 82 registered_buffers_[id] = buffer; |
| 81 | 83 |
| 82 return true; | 84 return true; |
| 83 } | 85 } |
| 84 | 86 |
| 85 void TransferBufferManager::DestroyTransferBuffer(int32 id) { | 87 void TransferBufferManager::DestroyTransferBuffer(int32_t id) { |
| 86 BufferMap::iterator it = registered_buffers_.find(id); | 88 BufferMap::iterator it = registered_buffers_.find(id); |
| 87 if (it == registered_buffers_.end()) { | 89 if (it == registered_buffers_.end()) { |
| 88 DVLOG(0) << "Transfer buffer ID was not registered."; | 90 DVLOG(0) << "Transfer buffer ID was not registered."; |
| 89 return; | 91 return; |
| 90 } | 92 } |
| 91 | 93 |
| 92 DCHECK(shared_memory_bytes_allocated_ >= it->second->size()); | 94 DCHECK(shared_memory_bytes_allocated_ >= it->second->size()); |
| 93 shared_memory_bytes_allocated_ -= it->second->size(); | 95 shared_memory_bytes_allocated_ -= it->second->size(); |
| 94 | 96 |
| 95 registered_buffers_.erase(it); | 97 registered_buffers_.erase(it); |
| 96 } | 98 } |
| 97 | 99 |
| 98 scoped_refptr<Buffer> TransferBufferManager::GetTransferBuffer(int32 id) { | 100 scoped_refptr<Buffer> TransferBufferManager::GetTransferBuffer(int32_t id) { |
| 99 if (id == 0) | 101 if (id == 0) |
| 100 return NULL; | 102 return NULL; |
| 101 | 103 |
| 102 BufferMap::iterator it = registered_buffers_.find(id); | 104 BufferMap::iterator it = registered_buffers_.find(id); |
| 103 if (it == registered_buffers_.end()) | 105 if (it == registered_buffers_.end()) |
| 104 return NULL; | 106 return NULL; |
| 105 | 107 |
| 106 return it->second; | 108 return it->second; |
| 107 } | 109 } |
| 108 | 110 |
| 109 bool TransferBufferManager::OnMemoryDump( | 111 bool TransferBufferManager::OnMemoryDump( |
| 110 const base::trace_event::MemoryDumpArgs& args, | 112 const base::trace_event::MemoryDumpArgs& args, |
| 111 base::trace_event::ProcessMemoryDump* pmd) { | 113 base::trace_event::ProcessMemoryDump* pmd) { |
| 112 for (const auto& buffer_entry : registered_buffers_) { | 114 for (const auto& buffer_entry : registered_buffers_) { |
| 113 int32 buffer_id = buffer_entry.first; | 115 int32_t buffer_id = buffer_entry.first; |
| 114 const Buffer* buffer = buffer_entry.second.get(); | 116 const Buffer* buffer = buffer_entry.second.get(); |
| 115 std::string dump_name = | 117 std::string dump_name = |
| 116 base::StringPrintf("gpu/transfer_memory/client_%d/buffer_%d", | 118 base::StringPrintf("gpu/transfer_memory/client_%d/buffer_%d", |
| 117 memory_tracker_->ClientId(), buffer_id); | 119 memory_tracker_->ClientId(), buffer_id); |
| 118 base::trace_event::MemoryAllocatorDump* dump = | 120 base::trace_event::MemoryAllocatorDump* dump = |
| 119 pmd->CreateAllocatorDump(dump_name); | 121 pmd->CreateAllocatorDump(dump_name); |
| 120 dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, | 122 dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
| 121 base::trace_event::MemoryAllocatorDump::kUnitsBytes, | 123 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 122 buffer->size()); | 124 buffer->size()); |
| 123 auto guid = | 125 auto guid = |
| 124 GetBufferGUIDForTracing(memory_tracker_->ClientTracingId(), buffer_id); | 126 GetBufferGUIDForTracing(memory_tracker_->ClientTracingId(), buffer_id); |
| 125 pmd->CreateSharedGlobalAllocatorDump(guid); | 127 pmd->CreateSharedGlobalAllocatorDump(guid); |
| 126 pmd->AddOwnershipEdge(dump->guid(), guid); | 128 pmd->AddOwnershipEdge(dump->guid(), guid); |
| 127 } | 129 } |
| 128 | 130 |
| 129 return true; | 131 return true; |
| 130 } | 132 } |
| 131 | 133 |
| 132 } // namespace gpu | 134 } // namespace gpu |
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