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Issue 1280513002: Add GenericSharedMemoryId and use w/ GpuMemoryBuffer (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@trackpools
Patch Set: Avoid double map lookup Created 5 years, 4 months ago
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1 // Copyright 2012 The Chromium Authors. All rights reserved. 1 // Copyright 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 "cc/resources/resource_provider.h" 5 #include "cc/resources/resource_provider.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <limits> 8 #include <limits>
9 9
10 #include "base/atomic_sequence_num.h" 10 #include "base/atomic_sequence_num.h"
11 #include "base/containers/hash_tables.h" 11 #include "base/containers/hash_tables.h"
12 #include "base/memory/generic_shared_memory_id.h"
12 #include "base/metrics/histogram.h" 13 #include "base/metrics/histogram.h"
13 #include "base/numerics/safe_math.h" 14 #include "base/numerics/safe_math.h"
14 #include "base/stl_util.h" 15 #include "base/stl_util.h"
15 #include "base/strings/string_split.h" 16 #include "base/strings/string_split.h"
16 #include "base/strings/string_util.h" 17 #include "base/strings/string_util.h"
17 #include "base/strings/stringprintf.h" 18 #include "base/strings/stringprintf.h"
18 #include "base/thread_task_runner_handle.h" 19 #include "base/thread_task_runner_handle.h"
19 #include "base/trace_event/memory_dump_manager.h" 20 #include "base/trace_event/memory_dump_manager.h"
20 #include "base/trace_event/trace_event.h" 21 #include "base/trace_event/trace_event.h"
21 #include "cc/resources/platform_color.h" 22 #include "cc/resources/platform_color.h"
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2008 resource.size, resource.format); 2009 resource.size, resource.format);
2009 dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, 2010 dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
2010 base::trace_event::MemoryAllocatorDump::kUnitsBytes, 2011 base::trace_event::MemoryAllocatorDump::kUnitsBytes,
2011 static_cast<uint64_t>(total_bytes)); 2012 static_cast<uint64_t>(total_bytes));
2012 2013
2013 // Resources which are shared across processes require a shared GUID to 2014 // Resources which are shared across processes require a shared GUID to
2014 // prevent double counting the memory. We currently support shared GUIDs for 2015 // prevent double counting the memory. We currently support shared GUIDs for
2015 // GpuMemoryBuffer, SharedBitmap, and GL backed resources. 2016 // GpuMemoryBuffer, SharedBitmap, and GL backed resources.
2016 base::trace_event::MemoryAllocatorDumpGuid guid; 2017 base::trace_event::MemoryAllocatorDumpGuid guid;
2017 if (resource.gpu_memory_buffer) { 2018 if (resource.gpu_memory_buffer) {
2018 guid = gfx::GetGpuMemoryBufferGUIDForTracing( 2019 guid = base::GetGenericSharedMemoryGUIDForTracing(
2019 tracing_process_id, resource.gpu_memory_buffer->GetHandle().id); 2020 tracing_process_id, resource.gpu_memory_buffer->GetHandle().id);
2020 } else if (resource.shared_bitmap) { 2021 } else if (resource.shared_bitmap) {
2021 guid = GetSharedBitmapGUIDForTracing(resource.shared_bitmap->id()); 2022 guid = GetSharedBitmapGUIDForTracing(resource.shared_bitmap->id());
2022 } else if (resource.gl_id && resource.allocated) { 2023 } else if (resource.gl_id && resource.allocated) {
2023 guid = 2024 guid =
2024 gfx::GetGLTextureGUIDForTracing(tracing_process_id, resource.gl_id); 2025 gfx::GetGLTextureGUIDForTracing(tracing_process_id, resource.gl_id);
2025 } 2026 }
2026 2027
2027 if (!guid.empty()) { 2028 if (!guid.empty()) {
2028 const int kImportance = 2; 2029 const int kImportance = 2;
2029 pmd->CreateSharedGlobalAllocatorDump(guid); 2030 pmd->CreateSharedGlobalAllocatorDump(guid);
2030 pmd->AddOwnershipEdge(dump->guid(), guid, kImportance); 2031 pmd->AddOwnershipEdge(dump->guid(), guid, kImportance);
2031 } 2032 }
2032 } 2033 }
2033 2034
2034 return true; 2035 return true;
2035 } 2036 }
2036 2037
2037 } // namespace cc 2038 } // namespace cc
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